diff --git a/dist/fabric.js b/dist/fabric.js
index 6e363f0f..a58291bd 100644
--- a/dist/fabric.js
+++ b/dist/fabric.js
@@ -1,7 +1,7 @@
 /* build: `node build.js modules=ALL exclude=json,gestures,accessors minifier=uglifyjs` */
  /*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */
 
-var fabric = fabric || { version: '2.0.0-beta5' };
+var fabric = fabric || { version: '2.0.0-beta6' };
 if (typeof exports !== 'undefined') {
   exports.fabric = fabric;
 }
@@ -122,10 +122,9 @@ fabric.devicePixelRatio = fabric.window.devicePixelRatio ||
                           1;
 
 fabric.initFilterBackend = function() {
-  if (fabric.isWebglSupported && fabric.isWebglSupported(fabric.textureSize) && fabric.enableGLFiltering) {
+  if (fabric.enableGLFiltering && fabric.isWebglSupported && fabric.isWebglSupported(fabric.textureSize)) {
     console.log('max texture size: ' + fabric.maxTextureSize);
     return (new fabric.WebglFilterBackend({ tileSize: fabric.textureSize }));
-
   }
   else if (fabric.Canvas2dFilterBackend) {
     return (new fabric.Canvas2dFilterBackend());
@@ -1002,16 +1001,13 @@ fabric.CommonMethods = {
     },
 
     /**
-     * Creates canvas element and initializes it via excanvas if necessary
+     * Creates canvas element
      * @static
      * @memberOf fabric.util
-     * @param {CanvasElement} [canvasEl] optional canvas element to initialize;
-     * when not given, element is created implicitly
      * @return {CanvasElement} initialized canvas element
      */
-    createCanvasElement: function(canvasEl) {
-      canvasEl || (canvasEl = fabric.document.createElement('canvas'));
-      return canvasEl;
+    createCanvasElement: function() {
+      return fabric.document.createElement('canvas');
     },
 
     /**
@@ -1096,7 +1092,7 @@ fabric.CommonMethods = {
       target.skewY = 0;
       target.flipX = false;
       target.flipY = false;
-      target.setAngle(0);
+      target.rotate(0);
     },
 
     /**
@@ -1630,6 +1626,7 @@ fabric.CommonMethods = {
   /**
    * Creates an empty object and copies all enumerable properties of another object to it
    * @memberOf fabric.util.object
+   * TODO: this function return an empty object if you try to clone null
    * @param {Object} object Object to clone
    * @return {Object}
    */
@@ -2654,6 +2651,8 @@ if (typeof console !== 'undefined') {
                             return fabric.window.setTimeout(callback, 1000 / 60);
                           };
 
+  var _cancelAnimFrame = fabric.window.cancelAnimationFrame || fabric.window.clearTimeout;
+
   /**
    * requestAnimationFrame polyfill based on http://paulirish.com/2011/requestanimationframe-for-smart-animating/
    * In order to get a precise start time, `requestAnimFrame` should be called as an entry into the method
@@ -2665,9 +2664,13 @@ if (typeof console !== 'undefined') {
     return _requestAnimFrame.apply(fabric.window, arguments);
   }
 
+  function cancelAnimFrame() {
+    return _cancelAnimFrame.apply(fabric.window, arguments);
+  }
+
   fabric.util.animate = animate;
   fabric.util.requestAnimFrame = requestAnimFrame;
-
+  fabric.util.cancelAnimFrame = cancelAnimFrame;
 })();
 
 
@@ -3165,7 +3168,7 @@ if (typeof console !== 'undefined') {
         'stroke-opacity':     'strokeOpacity',
         'stroke-width':       'strokeWidth',
         'text-decoration':    'textDecoration',
-        'text-anchor':        'originX',
+        'text-anchor':        'textAnchor',
         opacity:              'opacity'
       },
 
@@ -3224,7 +3227,7 @@ if (typeof console !== 'undefined') {
         value *= parentAttributes.opacity;
       }
     }
-    else if (attr === 'originX' /* text-anchor */) {
+    else if (attr === 'textAnchor' /* text-anchor */) {
       value = value === 'start' ? 'left' : value === 'end' ? 'right' : 'center';
     }
     else {
@@ -6635,14 +6638,14 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
     /**
      * @private
      */
-    _createCanvasElement: function(canvasEl) {
-      var element = fabric.util.createCanvasElement(canvasEl);
-      if (!element.style) {
-        element.style = { };
-      }
+    _createCanvasElement: function() {
+      var element = fabric.util.createCanvasElement();
       if (!element) {
         throw CANVAS_INIT_ERROR;
       }
+      if (!element.style) {
+        element.style = { };
+      }
       if (typeof element.getContext === 'undefined') {
         throw CANVAS_INIT_ERROR;
       }
@@ -6678,7 +6681,13 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
      * @param {HTMLElement} [canvasEl]
      */
     _createLowerCanvas: function (canvasEl) {
-      this.lowerCanvasEl = fabric.util.getById(canvasEl) || this._createCanvasElement(canvasEl);
+      // canvasEl === 'HTMLCanvasElement' does not work on jsdom/node
+      if (canvasEl && canvasEl.getContext) {
+        this.lowerCanvasEl = canvasEl;
+      }
+      else {
+        this.lowerCanvasEl = fabric.util.getById(canvasEl) || this._createCanvasElement();
+      }
 
       fabric.util.addClass(this.lowerCanvasEl, 'lower-canvas');
 
@@ -6979,8 +6988,8 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
      */
     renderAll: function () {
       var canvasToDrawOn = this.contextContainer;
-      if (this.rendering) {
-        fabric.window.cancelAnimationFrame(this.rendering);
+      if (this.isRendering) {
+        fabric.util.cancelAnimFrame(this.isRendering);
       }
       this.renderCanvas(canvasToDrawOn, this._objects);
       return this;
@@ -7224,7 +7233,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
      */
     _centerObject: function(object, center) {
       object.setPositionByOrigin(center, 'center', 'center');
-      this.requestRenderAll();
+      this.renderOnAddRemove && this.requestRenderAll();
       return this;
     },
 
@@ -9650,7 +9659,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       target.scaleY = 1;
       target.skewX = 0;
       target.skewY = 0;
-      target.setAngle(0);
+      target.rotate(0);
     },
 
     /**
@@ -12729,7 +12738,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
      * @param {CanvasRenderingContext2D} ctx Context to render on
      */
     _setOpacity: function(ctx) {
-      if (this.group && !this.group.transformDone) {
+      if (this.group && !this.group._transformDone) {
         ctx.globalAlpha = this.getObjectOpacity();
       }
       else {
@@ -12853,8 +12862,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
      * @param {Object} filler fabric.Pattern or fabric.Gradient
      */
     _applyPatternGradientTransform: function(ctx, filler) {
-      if (!filler.toLive) {
-        return;
+      if (!filler || !filler.toLive) {
+        return { offsetX: 0, offsetY: 0 };
       }
       var transform = filler.gradientTransform || filler.patternTransform;
       var offsetX = -this.width / 2 + filler.offsetX || 0,
@@ -12863,6 +12872,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
       if (transform) {
         ctx.transform.apply(ctx, transform);
       }
+      return { offsetX: offsetX, offsetY: offsetY };
     },
 
     /**
@@ -12912,15 +12922,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
     },
 
     /**
-     * This function is an helper for svg import. it removes the transform matrix
-     * and set to object properties that fabricjs can handle
+     * This function is an helper for svg import. it decoompose the transformMatrix
+     * and assign properties to object.
      * untransformed coordinates
      * @private
      * @chainable
-     * @return {thisArg}
      */
-    _removeTransformMatrix: function() {
-      var center = this._findCenterFromElement();
+    _assignTransformMatrixProps: function() {
       if (this.transformMatrix) {
         var options = fabric.util.qrDecompose(this.transformMatrix);
         this.flipX = false;
@@ -12930,6 +12938,20 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
         this.angle = options.angle;
         this.skewX = options.skewX;
         this.skewY = 0;
+      }
+    },
+
+    /**
+     * This function is an helper for svg import. it removes the transform matrix
+     * and set to object properties that fabricjs can handle
+     * @private
+     * @chainable
+     * @return {thisArg}
+     */
+    _removeTransformMatrix: function() {
+      var center = this._findCenterFromElement();
+      if (this.transformMatrix) {
+        this._assignTransformMatrixProps();
         center = fabric.util.transformPoint(center, this.transformMatrix);
       }
       this.transformMatrix = null;
@@ -13182,12 +13204,12 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
     },
 
     /**
-     * Sets "angle" of an instance
+     * Sets "angle" of an instance with centered rotation
      * @param {Number} angle Angle value (in degrees)
      * @return {fabric.Object} thisArg
      * @chainable
      */
-    setAngle: function(angle) {
+    rotate: function(angle) {
       var shouldCenterOrigin = (this.originX !== 'center' || this.originY !== 'center') && this.centeredRotation;
 
       if (shouldCenterOrigin) {
@@ -13269,16 +13291,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
       return this;
     },
 
-    /**
-     * Removes object from canvas to which it was added last
-     * @return {fabric.Object} thisArg
-     * @chainable
-     */
-    remove: function() {
-      this.canvas && this.canvas.remove(this);
-      return this;
-    },
-
     /**
      * Returns coordinates of a pointer relative to an object
      * @param {Event} e Event to operate upon
@@ -13313,13 +13325,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
 
   fabric.util.createAccessors && fabric.util.createAccessors(fabric.Object);
 
-  /**
-   * Alias for {@link fabric.Object.prototype.setAngle}
-   * @alias rotate -> setAngle
-   * @memberOf fabric.Object
-   */
-  fabric.Object.prototype.rotate = fabric.Object.prototype.setAngle;
-
   extend(fabric.Object.prototype, fabric.Observable);
 
   /**
@@ -15510,8 +15515,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
           parsedAttributes.x2 || 0,
           parsedAttributes.y2 || 0
         ];
-    options.originX = 'left';
-    options.originY = 'top';
     callback(new fabric.Line(points, extend(parsedAttributes, options)));
   };
   /* _FROM_SVG_END_ */
@@ -15765,8 +15768,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
 
     parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.radius;
     parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.radius;
-    parsedAttributes.originX = 'left';
-    parsedAttributes.originY = 'top';
     callback(new fabric.Circle(extend(parsedAttributes, options)));
   };
 
@@ -16088,8 +16089,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
 
     parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.rx;
     parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.ry;
-    parsedAttributes.originX = 'left';
-    parsedAttributes.originY = 'top';
     callback(new fabric.Ellipse(extend(parsedAttributes, options)));
   };
   /* _FROM_SVG_END_ */
@@ -16309,8 +16308,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
 
     parsedAttributes.left = parsedAttributes.left || 0;
     parsedAttributes.top  = parsedAttributes.top  || 0;
-    parsedAttributes.originX = 'left';
-    parsedAttributes.originY = 'top';
     var rect = new fabric.Rect(extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes));
     rect.visible = rect.visible && rect.width > 0 && rect.height > 0;
     callback(rect);
@@ -16372,20 +16369,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
      */
     points: null,
 
-    /**
-     * Minimum X from points values, necessary to offset points
-     * @type Number
-     * @default
-     */
-    minX: 0,
-
-    /**
-     * Minimum Y from points values, necessary to offset points
-     * @type Number
-     * @default
-     */
-    minY: 0,
-
     cacheProperties: cacheProperties,
 
     /**
@@ -16411,34 +16394,47 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
       options = options || {};
       this.points = points || [];
       this.callSuper('initialize', options);
-      this._calcDimensions();
-      if (!('top' in options)) {
-        this.top = this.minY;
+      var calcDim = this._calcDimensions();
+      if (typeof options.left === 'undefined') {
+        this.left = calcDim.left;
       }
-      if (!('left' in options)) {
-        this.left = this.minX;
+      if (typeof options.top === 'undefined') {
+        this.top = calcDim.top;
       }
+      this.width = calcDim.width;
+      this.height = calcDim.height;
       this.pathOffset = {
-        x: this.minX + this.width / 2,
-        y: this.minY + this.height / 2
+        x: calcDim.left + this.width / 2,
+        y: calcDim.top + this.height / 2
       };
     },
 
     /**
+     * Calculate the polygon min and max point from points array,
+     * returning an object with left, top, widht, height to measure the
+     * polygon size
+     * @return {Object} object.left X coordinate of the polygon leftmost point
+     * @return {Object} object.top Y coordinate of the polygon topmost point
+     * @return {Object} object.width distance between X coordinates of the polygon leftmost and rightmost point
+     * @return {Object} object.height distance between Y coordinates of the polygon topmost and bottommost point
      * @private
      */
     _calcDimensions: function() {
 
       var points = this.points,
-          minX = min(points, 'x'),
-          minY = min(points, 'y'),
-          maxX = max(points, 'x'),
-          maxY = max(points, 'y');
+          minX = min(points, 'x') || 0,
+          minY = min(points, 'y') || 0,
+          maxX = max(points, 'x') || 0,
+          maxY = max(points, 'y') || 0,
+          width = (maxX - minX),
+          height = (maxY - minY);
 
-      this.width = (maxX - minX) || 0;
-      this.height = (maxY - minY) || 0;
-      this.minX = minX || 0;
-      this.minY = minY || 0;
+      return {
+        left: minX,
+        top: minY,
+        width: width,
+        height: height
+      };
     },
 
     /**
@@ -16740,20 +16736,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
      */
     path: null,
 
-    /**
-     * Minimum X from points values, necessary to offset points
-     * @type Number
-     * @default
-     */
-    minX: 0,
-
-    /**
-     * Minimum Y from points values, necessary to offset points
-     * @type Number
-     * @default
-     */
-    minY: 0,
-
     cacheProperties: cacheProperties,
 
     stateProperties: stateProperties,
@@ -16797,30 +16779,20 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
     _setPositionDimensions: function(options) {
       var calcDim = this._parseDimensions();
 
-      this.minX = calcDim.left;
-      this.minY = calcDim.top;
       this.width = calcDim.width;
       this.height = calcDim.height;
 
       if (typeof options.left === 'undefined') {
-        this.left = calcDim.left + (this.originX === 'center'
-          ? this.width / 2
-          : this.originX === 'right'
-            ? this.width
-            : 0);
+        this.left = calcDim.left;
       }
 
       if (typeof options.top === 'undefined') {
-        this.top = calcDim.top + (this.originY === 'center'
-          ? this.height / 2
-          : this.originY === 'bottom'
-            ? this.height
-            : 0);
+        this.top = calcDim.top;
       }
 
       this.pathOffset = this.pathOffset || {
-        x: this.minX + this.width / 2,
-        y: this.minY + this.height / 2
+        x: calcDim.left + this.width / 2,
+        y: calcDim.top + this.height / 2
       };
     },
 
@@ -17627,8 +17599,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
    */
   fabric.Path.fromElement = function(element, callback, options) {
     var parsedAttributes = fabric.parseAttributes(element, fabric.Path.ATTRIBUTE_NAMES);
-    parsedAttributes.originX = 'left';
-    parsedAttributes.originY = 'top';
     callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options)));
   };
   /* _FROM_SVG_END_ */
@@ -19069,7 +19039,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
    * @chainable
    */
   straighten: function() {
-    this.setAngle(this._getAngleValueForStraighten());
+    this.rotate(this._getAngleValueForStraighten());
     return this;
   },
 
@@ -19094,7 +19064,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
       endValue: this._getAngleValueForStraighten(),
       duration: this.FX_DURATION,
       onChange: function(value) {
-        _this.setAngle(value);
+        _this.rotate(value);
         onChange();
       },
       onComplete: function() {
@@ -22926,6 +22896,104 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
 })(typeof exports !== 'undefined' ? exports : this);
 
 
+(function(global) {
+
+  'use strict';
+
+  var fabric  = global.fabric || (global.fabric = { }),
+      filters = fabric.Image.filters,
+      createClass = fabric.util.createClass;
+
+  /**
+   * HueRotation filter class
+   * @class fabric.Image.filters.HueRotation
+   * @memberOf fabric.Image.filters
+   * @extends fabric.Image.filters.BaseFilter
+   * @see {@link fabric.Image.filters.HueRotation#initialize} for constructor definition
+   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}
+   * @example
+   * var filter = new fabric.Image.filters.HueRotation({
+   *   rotation: -0.5
+   * });
+   * object.filters.push(filter);
+   * object.applyFilters();
+   */
+  filters.HueRotation = createClass(filters.ColorMatrix, /** @lends fabric.Image.filters.HueRotation.prototype */ {
+
+    /**
+     * Filter type
+     * @param {String} type
+     * @default
+     */
+    type: 'HueRotation',
+
+    /**
+     * HueRotation value, from -1 to 1.
+     * the unit is radians
+     * @param {Number} myParameter
+     * @default
+     */
+    rotation: 0,
+
+    /**
+     * Describe the property that is the filter parameter
+     * @param {String} m
+     * @default
+     */
+    mainParameter: 'rotation',
+
+    calculateMatrix: function() {
+      var rad = this.rotation * Math.PI, cos = Math.cos(rad), sin = Math.sin(rad),
+          aThird = 1 / 3, aThirdSqtSin = Math.sqrt(aThird) * sin, OneMinusCos = 1 - cos;
+      this.matrix = [
+        1, 0, 0, 0, 0,
+        0, 1, 0, 0, 0,
+        0, 0, 1, 0, 0,
+        0, 0, 0, 1, 0
+      ];
+      this.matrix[0] = cos + OneMinusCos / 3;
+      this.matrix[1] = aThird * OneMinusCos - aThirdSqtSin;
+      this.matrix[2] = aThird * OneMinusCos + aThirdSqtSin;
+      this.matrix[5] = aThird * OneMinusCos + aThirdSqtSin;
+      this.matrix[6] = cos + aThird * OneMinusCos;
+      this.matrix[7] = aThird * OneMinusCos - aThirdSqtSin;
+      this.matrix[10] = aThird * OneMinusCos - aThirdSqtSin;
+      this.matrix[11] = aThird * OneMinusCos + aThirdSqtSin;
+      this.matrix[12] = cos + aThird * OneMinusCos;
+    },
+
+    /**
+     * Apply this filter to the input image data provided.
+     *
+     * Determines whether to use WebGL or Canvas2D based on the options.webgl flag.
+     *
+     * @param {Object} options
+     * @param {Number} options.passes The number of filters remaining to be executed
+     * @param {Boolean} options.webgl Whether to use webgl to render the filter.
+     * @param {WebGLTexture} options.sourceTexture The texture setup as the source to be filtered.
+     * @param {WebGLTexture} options.targetTexture The texture where filtered output should be drawn.
+     * @param {WebGLRenderingContext} options.context The GL context used for rendering.
+     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.
+     */
+    applyTo: function(options) {
+      this.calculateMatrix();
+      fabric.Image.filters.BaseFilter.prototype.applyTo.call(this, options);
+    },
+
+  });
+
+  /**
+   * Returns filter instance from an object representation
+   * @static
+   * @param {Object} object Object to create an instance from
+   * @param {function} [callback] to be invoked after filter creation
+   * @return {fabric.Image.filters.HueRotation} Instance of fabric.Image.filters.HueRotation
+   */
+  fabric.Image.filters.HueRotation.fromObject = fabric.Image.filters.BaseFilter.fromObject;
+
+})(typeof exports !== 'undefined' ? exports : this);
+
+
 (function(global) {
 
   'use strict';
@@ -23195,7 +23263,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
       'fontStyle',
       'underline',
       'overline',
-      'linethrough'
+      'linethrough',
+      'textBackgroundColor',
     ],
 
     /**
@@ -23905,9 +23974,9 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
      * @param {String} method Method name ("fillText" or "strokeText")
      */
     _renderTextCommon: function(ctx, method) {
-
-      var lineHeights = 0, left = this._getLeftOffset(), top = this._getTopOffset();
-
+      ctx.save();
+      var lineHeights = 0, left = this._getLeftOffset(), top = this._getTopOffset(),
+          offsets = this._applyPatternGradientTransform(ctx, method === 'fillText' ? this.fill : this.stroke);
       for (var i = 0, len = this._textLines.length; i < len; i++) {
         var heightOfLine = this.getHeightOfLine(i),
             maxHeight = heightOfLine / this.lineHeight,
@@ -23916,12 +23985,13 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
           method,
           ctx,
           this._textLines[i],
-          left + leftOffset,
-          top + lineHeights + maxHeight,
+          left + leftOffset - offsets.offsetX,
+          top + lineHeights + maxHeight - offsets.offsetY,
           i
         );
         lineHeights += heightOfLine;
       }
+      ctx.restore();
     },
 
     /**
@@ -24338,7 +24408,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
       return callback(null);
     }
 
-    var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES);
+    var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES),
+        parsedAnchor = parsedAttributes.textAnchor || 'left';
     options = fabric.util.object.extend((options ? clone(options) : { }), parsedAttributes);
 
     options.top = options.top || 0;
@@ -24366,10 +24437,6 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
       options.fontSize = fabric.Text.DEFAULT_SVG_FONT_SIZE;
     }
 
-    if (!options.originX) {
-      options.originX = 'left';
-    }
-
     var textContent = '';
 
     // The XML is not properly parsed in IE9 so a workaround to get
@@ -24399,18 +24466,16 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
         x/y attributes in SVG correspond to the bottom-left corner of text bounding box
         fabric output by default at top, left.
     */
-    if (text.originX === 'center') {
+    if (parsedAnchor === 'center') {
       offX = text.getScaledWidth() / 2;
     }
-    if (text.originX === 'right') {
+    if (parsedAnchor === 'right') {
       offX = text.getScaledWidth();
     }
     text.set({
       left: text.left - offX,
       top: text.top - (textHeight - text.fontSize * (0.18 + text._fontSizeFraction)) / text.lineHeight
     });
-    text.originX = 'left';
-    text.originY = 'top';
     callback(text);
   };
   /* _FROM_SVG_END_ */
@@ -24660,20 +24725,22 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
      * Gets style of a current selection/cursor (at the start position)
      * @param {Number} [startIndex] Start index to get styles at
      * @param {Number} [endIndex] End index to get styles at
+     * @param {Boolean} [endIndex] End index to get styles at
      * @return {Object} styles Style object at a specified (or current) index
      */
-    getSelectionStyles: function(startIndex, endIndex) {
+    getSelectionStyles: function(startIndex, endIndex, complete) {
 
-      if (arguments.length === 2) {
+      if (endIndex && startIndex !== endIndex) {
         var styles = [];
         for (var i = startIndex; i < endIndex; i++) {
-          styles.push(this.getSelectionStyles(i));
+          styles.push(this.getSelectionStyles(i, i, complete));
         }
         return styles;
       }
 
       var loc = this.get2DCursorLocation(startIndex),
-          style = this._getStyleDeclaration(loc.lineIndex, loc.charIndex);
+          style = complete ? this.getCompleteStyleDeclaration(loc.lineIndex, loc.charIndex) :
+            this._getStyleDeclaration(loc.lineIndex, loc.charIndex);
 
       return style || {};
     },
@@ -25182,12 +25249,15 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
 
     /**
      * Selects entire text
+     * @return {fabric.IText} thisArg
+     * @chainable
      */
     selectAll: function() {
       this.selectionStart = 0;
       this.selectionEnd = this._text.length;
       this._fireSelectionChanged();
       this._updateTextarea();
+      return this;
     },
 
     /**
@@ -25316,6 +25386,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
     /**
      * Selects a line based on the index
      * @param {Number} selectionStart Index of a character
+     * @return {fabric.IText} thisArg
+     * @chainable
      */
     selectLine: function(selectionStart) {
       selectionStart = selectionStart || this.selectionStart;
@@ -25326,6 +25398,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
       this.selectionEnd = newSelectionEnd;
       this._fireSelectionChanged();
       this._updateTextarea();
+      return this;
     },
 
     /**
@@ -25671,15 +25744,15 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
         // remove and shift left on the same line
         if (this.styles[lineStart]) {
           styleObj = this.styles[lineStart];
-          var diff = charEnd - charStart;
+          var diff = charEnd - charStart, numericChar, _char;
           for (i = charStart; i < charEnd; i++) {
             delete styleObj[i];
           }
-          for (i = charEnd; i < this._textLines[lineStart].length; i++) {
-            //shifting
-            if (styleObj[i]) {
-              styleObj[i - diff] = styleObj[i];
-              delete styleObj[i];
+          for (_char in this.styles[lineStart]) {
+            numericChar = parseInt(_char, 10);
+            if (numericChar >= charEnd) {
+              styleObj[numericChar - diff] = styleObj[_char];
+              delete styleObj[_char];
             }
           }
         }
@@ -25692,7 +25765,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
      * @param {Number} offset Can any number?
      */
     shiftLineStyles: function(lineIndex, offset) {
-      // shift all line styles by 1 upward
+      // shift all line styles by offset upward or downward
       // do not clone deep. we need new array, not new style objects
       var clonedStyles = clone(this.styles);
       for (var line in this.styles) {
@@ -25704,7 +25777,6 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
           }
         }
       }
-      //TODO: evaluate if delete old style lines with offset -1
     },
 
     restartCursorIfNeeded: function() {
@@ -25729,12 +25801,12 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
 
       qty || (qty = 1);
       this.shiftLineStyles(lineIndex, qty);
-      if (this.styles[lineIndex] && this.styles[lineIndex][charIndex - 1]) {
-        currentCharStyle = this.styles[lineIndex][charIndex - 1];
+      if (this.styles[lineIndex]) {
+        currentCharStyle = this.styles[lineIndex][charIndex === 0 ? charIndex : charIndex - 1];
       }
 
       // we clone styles of all chars
-      // after cursor onto the last line
+      // after cursor onto the current line
       for (var index in this.styles[lineIndex]) {
         var numIndex = parseInt(index, 10);
         if (numIndex >= charIndex) {
@@ -25754,7 +25826,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
       // we clone current char style onto the next (otherwise empty) line
       while (qty > 1) {
         qty--;
-        if (copiedStyle[qty]) {
+        if (copiedStyle && copiedStyle[qty]) {
           this.styles[lineIndex + qty] = { 0: clone(copiedStyle[qty]) };
         }
         else if (currentCharStyle) {
@@ -25779,7 +25851,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
         this.styles = {};
       }
       var currentLineStyles       = this.styles[lineIndex],
-          currentLineStylesCloned = clone(currentLineStyles);
+          currentLineStylesCloned = currentLineStyles ? clone(currentLineStyles) : {};
 
       quantity || (quantity = 1);
       // shift all char styles by quantity forward
@@ -25797,6 +25869,12 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
       this._forceClearCache = true;
       if (copiedStyle) {
         while (quantity--) {
+          if (!Object.keys(copiedStyle[quantity]).length) {
+            continue;
+          }
+          if (!this.styles[lineIndex]) {
+            this.styles[lineIndex] = {};
+          }
           this.styles[lineIndex][charIndex + quantity] = clone(copiedStyle[quantity]);
         }
         return;
@@ -25813,32 +25891,31 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
     /**
      * Inserts style object(s)
      * @param {Array} insertedText Characters at the location where style is inserted
-     * @param {Number} start True if it's end of line
+     * @param {Number} start cursor index for inserting style
+     * @param {Array} [copiedStyle] array of style objects to insert.
      */
     insertNewStyleBlock: function(insertedText, start, copiedStyle) {
       var cursorLoc = this.get2DCursorLocation(start, true),
-          addingNewLines = 0, addingChars = 0;
+          addedLines = [0], linesLenght = 0;
       for (var i = 0; i < insertedText.length; i++) {
         if (insertedText[i] === '\n') {
-          if (addingChars) {
-            this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingChars, copiedStyle);
-            copiedStyle = copiedStyle && copiedStyle.slice(addingChars);
-            addingChars = 0;
-          }
-          addingNewLines++;
+          linesLenght++;
+          addedLines[linesLenght] = 0;
         }
         else {
-          if (addingNewLines) {
-            this.insertNewlineStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingNewLines, copiedStyle);
-            copiedStyle = copiedStyle && copiedStyle.slice(addingNewLines);
-            addingNewLines = 0;
-          }
-          addingChars++;
+          addedLines[linesLenght]++;
         }
       }
-      addingChars && this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingChars, copiedStyle);
-      addingNewLines && this.insertNewlineStyleObject(
-        cursorLoc.lineIndex, cursorLoc.charIndex, addingNewLines, copiedStyle);
+      if (addedLines[0] > 0) {
+        this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addedLines[0], copiedStyle);
+        copiedStyle = copiedStyle && copiedStyle.slice(addedLines[0] + 1);
+      }
+      linesLenght && this.insertNewlineStyleObject(
+        cursorLoc.lineIndex, cursorLoc.charIndex + addedLines[0], linesLenght);
+      for (var i = 1; i <= linesLenght; i++) {
+        this.insertCharStyleObject(cursorLoc.lineIndex + i, 0, addedLines[i], copiedStyle);
+        copiedStyle = copiedStyle && copiedStyle.slice(addedLines[i] + 1);
+      }
     },
 
     /**
@@ -26345,7 +26422,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
     }
 
     fabric.copiedText = this.getSelectedText();
-    fabric.copiedTextStyle = this.getSelectionStyles(this.selectionStart, this.selectionEnd);
+    fabric.copiedTextStyle = this.getSelectionStyles(this.selectionStart, this.selectionEnd, true);
     this._copyDone = true;
   },
 
diff --git a/dist/fabric.min.js b/dist/fabric.min.js
index 4f5b817a..43c52053 100644
--- a/dist/fabric.min.js
+++ b/dist/fabric.min.js
@@ -1,9 +1,9 @@
-function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.getContext("2d");r.translate(0,e.height),r.scale(1,-1);var n=i.height-e.height;r.drawImage(i,0,n,e.width,e.height,0,0,e.width,e.height)}function copyGLTo2DPutImageData(t,e){var i=e.getContext("2d"),r=e.width,n=e.height,s=r*n*4,o=new Uint8Array(this.imageBuffer,0,s),a=new Uint8ClampedArray(this.imageBuffer,0,s);t.readPixels(0,0,r,n,t.RGBA,t.UNSIGNED_BYTE,o);var h=new ImageData(a,r);i.putImageData(h,0,0)}var fabric=fabric||{version:"2.0.0-beta5"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.initFilterBackend=function(){return fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)&&fabric.enableGLFiltering?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r<n;r++)i[r]&&i[r].call(this,e||{});return this.__eventListeners[t]=i.filter(function(t){return t!==!1}),this}}}fabric.Observable={observe:e,stopObserving:i,fire:r,on:e,off:i,trigger:r}}(),fabric.Collection={_objects:[],add:function(){if(this._objects.push.apply(this._objects,arguments),this._onObjectAdded)for(var t=0,e=arguments.length;t<e;t++)this._onObjectAdded(arguments[t]);return this.renderOnAddRemove&&this.requestRenderAll(),this},insertAt:function(t,e,i){var r=this.getObjects();return i?r[e]=t:r.splice(e,0,t),this._onObjectAdded&&this._onObjectAdded(t),this.renderOnAddRemove&&this.requestRenderAll(),this},remove:function(){for(var t,e=this.getObjects(),i=!1,r=0,n=arguments.length;r<n;r++)t=e.indexOf(arguments[r]),t!==-1&&(i=!0,e.splice(t,1),this._onObjectRemoved&&this._onObjectRemoved(arguments[r]));return this.renderOnAddRemove&&i&&this.requestRenderAll(),this},forEachObject:function(t,e){for(var i=this.getObjects(),r=0,n=i.length;r<n;r++)t.call(e,i[r],r,i);return this},getObjects:function(t){return"undefined"==typeof t?this._objects:this._objects.filter(function(e){return e.type===t})},item:function(t){return this.getObjects()[t]},isEmpty:function(){return 0===this.getObjects().length},size:function(){return this.getObjects().length},contains:function(t){return this.getObjects().indexOf(t)>-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);"undefined"!=typeof e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.abs,s=Math.PI/180;fabric.util={removeFromArray:function(t,e){var i=t.indexOf(e);return i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;i<n;++i)s=s[r[i]];return s},loadImage:function(t,e,i,r){if(!t)return void(e&&e.call(i,t));var n=fabric.util.createImage();n.onload=function(){e&&e.call(i,n),n=n.onload=n.onerror=null},n.onerror=function(){fabric.log("Error loading "+n.src),e&&e.call(i,null,!0),n=n.onload=n.onerror=null},0!==t.indexOf("data")&&r&&(n.crossOrigin=r),n.src=t},enlivenObjects:function(t,e,i,r){function n(){++o===a&&e&&e(s)}t=t||[];var s=[],o=0,a=t.length;return a?void t.forEach(function(t,e){if(!t||!t.type)return void n();var o=fabric.util.getKlass(t.type,i);o.fromObject(t,function(i,o){o||(s[e]=i),r&&r(t,i,o),n()})}):void(e&&e(s))},enlivenPatterns:function(t,e){function i(){++n===s&&e&&e(r)}t=t||[];var r=[],n=0,s=t.length;return s?void t.forEach(function(t,e){t&&t.source?new fabric.Pattern(t,function(t){r[e]=t,i()}):(r[e]=t,i())}):void(e&&e(r))},groupSVGElements:function(t,e,i){var r;return 1===t.length?t[0]:(e&&(e.width&&e.height?e.centerPoint={x:e.width/2,y:e.height/2}:(delete e.width,delete e.height)),r=new fabric.Group(t,e),"undefined"!=typeof i&&(r.sourcePath=i),r)},populateWithProperties:function(t,e,i){if(i&&"[object Array]"===Object.prototype.toString.call(i))for(var r=0,n=i.length;r<n;r++)i[r]in t&&(e[i[r]]=t[i[r]])},drawDashedLine:function(t,r,n,s,o,a){var h=s-r,c=o-n,l=e(h*h+c*c),u=i(c,h),f=a.length,d=0,g=!0;for(t.save(),t.translate(r,n),t.moveTo(0,0),t.rotate(u),r=0;l>r;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(t){return t||(t=fabric.document.createElement("canvas")),t},createImage:function(){return fabric.document.createElement("img")},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.setAngle(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n<h&&(s=a.data[n],o=s<=0,o!==!1);n+=4);return a=null,o},parsePreserveAspectRatioAttribute:function(t){var e,i="meet",r="Mid",n="Mid",s=t.split(" ");return s&&s.length&&(i=s.pop(),"meet"!==i&&"slice"!==i?(e=i,i="meet"):s.length&&(e=s.pop())),r="none"!==e?e.slice(1,4):"none",n="none"!==e?e.slice(5,8):"none",{meetOrSlice:i,alignX:r,alignY:n}},clearFabricFontCache:function(t){t?fabric.charWidthsCache[t]&&delete fabric.charWidthsCache[t]:fabric.charWidthsCache={}},limitDimsByArea:function(t,e){var i=Math.sqrt(e*t),r=Math.floor(e/i);return{x:Math.floor(i),y:r}},capValue:function(t,e,i){return Math.max(t,Math.min(e,i))},findScaleToFit:function(t,e){return Math.min(e.width/t.width,e.height/t.height)},findScaleToCover:function(t,e){return Math.max(e.width/t.width,e.height/t.height)}}}("undefined"!=typeof exports?exports:this),function(){function t(t,r,s,o,h,c,l){var u=a.call(arguments);if(n[u])return n[u];var f=Math.PI,d=l*f/180,g=Math.sin(d),p=Math.cos(d),v=0,m=0;s=Math.abs(s),o=Math.abs(o);var b=-p*t*.5-g*r*.5,y=-p*r*.5+g*t*.5,_=s*s,x=o*o,C=y*y,S=b*b,w=_*x-_*C-x*S,T=0;if(w<0){var O=Math.sqrt(1-w/(_*x));s*=O,o*=O}else T=(h===c?-1:1)*Math.sqrt(w/(_*C+x*S));var k=T*s*y/o,D=-T*o*b/s,E=p*k-g*D+.5*t,j=g*k+p*D+.5*r,A=i(1,0,(b-k)/s,(y-D)/o),P=i((b-k)/s,(y-D)/o,(-b-k)/s,(-y-D)/o);0===c&&P>0?P-=2*f:1===c&&P<0&&(P+=2*f);for(var M=Math.ceil(Math.abs(P/f*2)),F=[],L=P/M,I=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),R=A+L,B=0;B<M;B++)F[B]=e(A,R,p,g,s,o,E,j,I,v,m),v=F[B][4],m=F[B][5],A=R,R+=L;return n[u]=F,F}function e(t,e,i,r,n,o,h,c,l,u,f){var d=a.call(arguments);if(s[d])return s[d];var g=Math.cos(t),p=Math.sin(t),v=Math.cos(e),m=Math.sin(e),b=i*n*v-r*o*m+h,y=r*n*v+i*o*m+c,_=u+l*(-i*n*p-r*o*g),x=f+l*(-r*n*p+i*o*g),C=b+l*(i*n*m+r*o*v),S=y+l*(r*n*m-i*o*v);return s[d]=[_,x,C,S,b,y],s[d]}function i(t,e,i,r){var n=Math.atan2(e,t),s=Math.atan2(r,i);return s>=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,y=Math.sqrt,_=Math.min,x=Math.max,C=Math.abs,S=[],w=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*h,d=3*i-3*t;for(var T=0;T<2;++T)if(T>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*c,d=3*r-3*e),C(u)<1e-12){if(C(f)<1e-12)continue;g=-d/f,0<g&&g<1&&S.push(g)}else m=f*f-4*d*u,m<0||(b=y(m),p=(-f+b)/(2*u),0<p&&p<1&&S.push(p),v=(-f-b)/(2*u),0<v&&v<1&&S.push(v));for(var O,k,D,E=S.length,j=E;E--;)g=S[E],D=1-g,O=D*D*D*t+3*D*D*g*i+3*D*g*g*n+g*g*g*h,w[0][E]=O,k=D*D*D*e+3*D*D*g*r+3*D*g*g*s+g*g*g*c,w[1][E]=k;w[0][j]=t,w[1][j]=e,w[0][j+1]=h,w[1][j+1]=c;var A=[{x:_.apply(null,w[0]),y:_.apply(null,w[1])},{x:x.apply(null,w[0]),y:x.apply(null,w[1])}];return o[l]=A,A}var n={},s={},o={},a=Array.prototype.join;fabric.util.drawArc=function(e,i,r,n){for(var s=n[0],o=n[1],a=n[2],h=n[3],c=n[4],l=n[5],u=n[6],f=[[],[],[],[]],d=t(l-i,u-r,s,o,h,c,a),g=0,p=d.length;g<p;g++)f[g][0]=d[g][0]+i,f[g][1]=d[g][1]+r,f[g][2]=d[g][2]+i,f[g][3]=d[g][3]+r,f[g][4]=d[g][4]+i,f[g][5]=d[g][5]+r,e.bezierCurveTo.apply(e,f[g])},fabric.util.getBoundsOfArc=function(e,i,n,s,o,a,h,c,l){for(var u,f=0,d=0,g=[],p=t(c-e,l-i,n,s,a,h,o),v=0,m=p.length;v<m;v++)u=r(f,d,p[v][0],p[v][1],p[v][2],p[v][3],p[v][4],p[v][5]),g.push({x:u[0].x+e,y:u[0].y+i}),g.push({x:u[1].x+e,y:u[1].y+i}),f=p[v][4],d=p[v][5];return g},fabric.util.getBoundsOfCurve=r}(),function(){function t(t,e){for(var i=s.call(arguments,2),r=[],n=0,o=t.length;n<o;n++)r[n]=i.length?t[n][e].apply(t[n],i):t[n][e].call(t[n]);return r}function e(t,e){return n(t,e,function(t,e){return t>=e})}function i(t,e){return n(t,e,function(t,e){return t<e})}function r(t,e){for(var i=t.length;i--;)t[i]=e;return t}function n(t,e,i){if(t&&0!==t.length){var r=t.length-1,n=e?t[r][e]:t[r];if(e)for(;r--;)i(t[r][e],n)&&(n=t[r][e]);else 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i=t.charCodeAt(e);if(isNaN(i))return"";if(i<55296||i>57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:t,capitalize:e,escapeXml:i,graphemeSplit:r}}(),function(){function t(){}function e(t){for(var e=null,i=this;i.constructor.superclass;){var n=i.constructor.superclass.prototype[t];if(i[t]!==n){e=n;break}i=i.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,r.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}function i(){function i(){this.initialize.apply(this,arguments)}var 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e,i,r=Array.prototype.slice.call(arguments,1),n=r.length;for(i=0;i<n;i++)if(e=typeof t[r[i]],!/^(?:function|object|unknown)$/.test(e))return!1;return!0}function e(t,e){return{handler:e,wrappedHandler:i(t,e)}}function i(t,e){return function(i){e.call(o(t),i||fabric.window.event)}}function r(t,e){return function(i){if(p[t]&&p[t][e])for(var r=p[t][e],n=0,s=r.length;n<s;n++)r[n].call(this,i||fabric.window.event)}}function n(t){t||(t=fabric.window.event);var e=t.target||(typeof t.srcElement!==h?t.srcElement:null),i=fabric.util.getScrollLeftTop(e);return{x:v(t)+i.left,y:m(t)+i.top}}function s(t,e,i){var r="touchend"===t.type?"changedTouches":"touches";return t[r]&&t[r][0]?t[r][0][e]-(t[r][0][e]-t[r][0][i])||t[i]:t[i]}var o,a,h="unknown",c=function(){var t=0;return function(e){return e.__uniqueID||(e.__uniqueID="uniqueID__"+t++)}}();!function(){var t={};o=function(e){return t[e]},a=function(e,i){t[e]=i}}();var l,u,f=t(fabric.document.documentElement,"addEventListener","removeEventListener")&&t(fabric.window,"addEventListener","removeEventListener"),d=t(fabric.document.documentElement,"attachEvent","detachEvent")&&t(fabric.window,"attachEvent","detachEvent"),g={},p={};f?(l=function(t,e,i,r){t&&t.addEventListener(e,i,!d&&r)},u=function(t,e,i,r){t&&t.removeEventListener(e,i,!d&&r)}):d?(l=function(t,i,r){if(t){var n=c(t);a(n,t),g[n]||(g[n]={}),g[n][i]||(g[n][i]=[]);var s=e(n,r);g[n][i].push(s),t.attachEvent("on"+i,s.wrappedHandler)}},u=function(t,e,i){if(t){var r,n=c(t);if(g[n]&&g[n][e])for(var s=0,o=g[n][e].length;s<o;s++)r=g[n][e][s],r&&r.handler===i&&(t.detachEvent("on"+e,r.wrappedHandler),g[n][e][s]=null)}}):(l=function(t,e,i){if(t){var n=c(t);if(p[n]||(p[n]={}),!p[n][e]){p[n][e]=[];var s=t["on"+e];s&&p[n][e].push(s),t["on"+e]=r(n,e)}p[n][e].push(i)}},u=function(t,e,i){if(t){var r=c(t);if(p[r]&&p[r][e])for(var 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t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),n.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(n,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=t}(),function(){function t(t){return"string"==typeof t?fabric.document.getElementById(t):t}function e(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function i(t,e){t&&(" "+t.className+" ").indexOf(" "+e+" ")===-1&&(t.className+=(t.className?" 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a.call(t,0)};try{o=h(fabric.document.childNodes)instanceof Array}catch(t){}o||(h=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var c;c=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){function t(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t}function e(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}var i=fabric.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in 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t=0,e=this.elements.length;t<e;t++)this.elements[t].setAttribute("svgUid",this.svgUid),function(t,e){setTimeout(function(){t.createObject(t.elements[e],e)},0)}(this,t)},fabric.ElementsParser.prototype.createObject=function(t,e){var i=fabric[fabric.util.string.capitalize(t.tagName.replace("svg:",""))];if(i&&i.fromElement)try{this._createObject(i,t,e)}catch(t){fabric.log(t)}else this.checkIfDone()},fabric.ElementsParser.prototype._createObject=function(t,e,i){t.fromElement(e,this.createCallback(i,e),this.options)},fabric.ElementsParser.prototype.createCallback=function(t,e){var i=this;return function(r){i.resolveGradient(r,"fill"),i.resolveGradient(r,"stroke"),r._removeTransformMatrix(),r instanceof fabric.Image&&r.parsePreserveAspectRatioAttribute(e),i.reviver&&i.reviver(e,r),i.instances[t]=r,i.checkIfDone()}},fabric.ElementsParser.prototype.resolveGradient=function(t,e){var i=t.get(e);if(/^url\(/.test(i)){var r=i.slice(5,i.length-1);fabric.gradientDefs[this.svgUid][r]&&t.set(e,fabric.Gradient.fromElement(fabric.gradientDefs[this.svgUid][r],t))}},fabric.ElementsParser.prototype.checkIfDone=function(){0===--this.numElements&&(this.instances=this.instances.filter(function(t){return null!=t}),this.callback(this.instances,this.elements))},function(t){"use strict";function e(t,e){this.x=t,this.y=e}var i=t.fabric||(t.fabric={});return i.Point?void i.warn("fabric.Point is already defined"):(i.Point=e,void(e.prototype={type:"point",constructor:e,add:function(t){return new e(this.x+t.x,this.y+t.y)},addEquals:function(t){return this.x+=t.x,this.y+=t.y,this},scalarAdd:function(t){return new e(this.x+t,this.y+t)},scalarAddEquals:function(t){return this.x+=t,this.y+=t,this},subtract:function(t){return new e(this.x-t.x,this.y-t.y)},subtractEquals:function(t){return this.x-=t.x,this.y-=t.y,this},scalarSubtract:function(t){return new e(this.x-t,this.y-t)},scalarSubtractEquals:function(t){return this.x-=t,this.y-=t,this},multiply:function(t){return new e(this.x*t,this.y*t)},multiplyEquals:function(t){return this.x*=t,this.y*=t,this},divide:function(t){return new e(this.x/t,this.y/t)},divideEquals:function(t){return this.x/=t,this.y/=t,this},eq:function(t){return this.x===t.x&&this.y===t.y},lt:function(t){return this.x<t.x&&this.y<t.y},lte:function(t){return this.x<=t.x&&this.y<=t.y},gt:function(t){return this.x>t.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return"undefined"==typeof i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){var n,s,o,a,h=new e,c=r.length;for(a=0;a<c;a++)n=r[a],s=r[(a+1)%c],o=e.intersectLineLine(t,i,n,s),h.appendPoints(o.points);return h.points.length>0&&(h.status="Intersection"),h},i.Intersection.intersectPolygonPolygon=function(t,i){var r,n=new e,s=t.length;for(r=0;r<s;r++){var o=t[r],a=t[(r+1)%s],h=e.intersectLinePolygon(o,a,i);n.appendPoints(h.points)}return n.points.length>0&&(n.status="Intersection"),n},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e<i?6:0);break;case e:n=(i-t)/c+2;break;case i:n=(t-e)/c+4}n/=6}return[Math.round(360*n),Math.round(100*s),Math.round(100*o)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,r=this.getSource();return t=r[0].toString(16),t=1===t.length?"0"+t:t,e=r[1].toString(16),e=1===e.length?"0"+e:e,i=r[2].toString(16),i=1===i.length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},toHexa:function(){var t,e=this.getSource();return t=255*e[3],t=t.toString(16),t=1===t.length?"0"+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),r=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,r]),this},overlayWith:function(t){t instanceof e||(t=new e(t));var i,r=[],n=this.getAlpha(),s=.5,o=this.getSource(),a=t.getSource();for(i=0;i<3;i++)r.push(Math.round(o[i]*(1-s)+a[i]*s));return r[3]=n,this.setSource(r),this}},r.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/,r.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,r.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,r.Color.colorNameMap={aliceblue:"#F0F8FF",antiquewhite:"#FAEBD7",aqua:"#00FFFF",aquamarine:"#7FFFD4",azure:"#F0FFFF",beige:"#F5F5DC",bisque:"#FFE4C4",black:"#000000",blanchedalmond:"#FFEBCD",blue:"#0000FF",blueviolet:"#8A2BE2",brown:"#A52A2A",burlywood:"#DEB887",cadetblue:"#5F9EA0",chartreuse:"#7FFF00",chocolate:"#D2691E",coral:"#FF7F50",cornflowerblue:"#6495ED",cornsilk:"#FFF8DC",crimson:"#DC143C",cyan:"#00FFFF",darkblue:"#00008B",darkcyan:"#008B8B",darkgoldenrod:"#B8860B",darkgray:"#A9A9A9",darkgrey:"#A9A9A9",darkgreen:"#006400",darkkhaki:"#BDB76B",darkmagenta:"#8B008B",darkolivegreen:"#556B2F",darkorange:"#FF8C00",darkorchid:"#9932CC",darkred:"#8B0000",darksalmon:"#E9967A",darkseagreen:"#8FBC8F",darkslateblue:"#483D8B",darkslategray:"#2F4F4F",darkslategrey:"#2F4F4F",darkturquoise:"#00CED1",darkviolet:"#9400D3",deeppink:"#FF1493",deepskyblue:"#00BFFF",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1E90FF",firebrick:"#B22222",floralwhite:"#FFFAF0",forestgreen:"#228B22",fuchsia:"#FF00FF",gainsboro:"#DCDCDC",ghostwhite:"#F8F8FF",gold:"#FFD700",goldenrod:"#DAA520",gray:"#808080",grey:"#808080",green:"#008000",greenyellow:"#ADFF2F",honeydew:"#F0FFF0",hotpink:"#FF69B4",indianred:"#CD5C5C",indigo:"#4B0082",ivory:"#FFFFF0",khaki:"#F0E68C",lavender:"#E6E6FA",lavenderblush:"#FFF0F5",lawngreen:"#7CFC00",lemonchiffon:"#FFFACD",lightblue:"#ADD8E6",lightcoral:"#F08080",lightcyan:"#E0FFFF",lightgoldenrodyellow:"#FAFAD2",lightgray:"#D3D3D3",lightgrey:"#D3D3D3",lightgreen:"#90EE90",lightpink:"#FFB6C1",lightsalmon:"#FFA07A",lightseagreen:"#20B2AA",lightskyblue:"#87CEFA",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#B0C4DE",lightyellow:"#FFFFE0",lime:"#00FF00",limegreen:"#32CD32",linen:"#FAF0E6",magenta:"#FF00FF",maroon:"#800000",mediumaquamarine:"#66CDAA",mediumblue:"#0000CD",mediumorchid:"#BA55D3",mediumpurple:"#9370DB",mediumseagreen:"#3CB371",mediumslateblue:"#7B68EE",mediumspringgreen:"#00FA9A",mediumturquoise:"#48D1CC",mediumvioletred:"#C71585",midnightblue:"#191970",mintcream:"#F5FFFA",mistyrose:"#FFE4E1",moccasin:"#FFE4B5",navajowhite:"#FFDEAD",navy:"#000080",oldlace:"#FDF5E6",olive:"#808000",olivedrab:"#6B8E23",orange:"#FFA500",orangered:"#FF4500",orchid:"#DA70D6",palegoldenrod:"#EEE8AA",palegreen:"#98FB98",paleturquoise:"#AFEEEE",palevioletred:"#DB7093",papayawhip:"#FFEFD5",peachpuff:"#FFDAB9",peru:"#CD853F",pink:"#FFC0CB",plum:"#DDA0DD",powderblue:"#B0E0E6",purple:"#800080",rebeccapurple:"#663399",red:"#FF0000",rosybrown:"#BC8F8F",royalblue:"#4169E1",saddlebrown:"#8B4513",salmon:"#FA8072",sandybrown:"#F4A460",seagreen:"#2E8B57",seashell:"#FFF5EE",sienna:"#A0522D",silver:"#C0C0C0",skyblue:"#87CEEB",slateblue:"#6A5ACD",slategray:"#708090",slategrey:"#708090",snow:"#FFFAFA",springgreen:"#00FF7F",steelblue:"#4682B4",tan:"#D2B48C",teal:"#008080",thistle:"#D8BFD8",tomato:"#FF6347",turquoise:"#40E0D0",violet:"#EE82EE",wheat:"#F5DEB3",white:"#FFFFFF",whitesmoke:"#F5F5F5",yellow:"#FFFF00",yellowgreen:"#9ACD32"},r.Color.fromRgb=function(t){return e.fromSource(e.sourceFromRgb(t))},r.Color.sourceFromRgb=function(t){var i=t.match(e.reRGBa);if(i){var r=parseInt(i[1],10)/(/%$/.test(i[1])?100:1)*(/%$/.test(i[1])?255:1),n=parseInt(i[2],10)/(/%$/.test(i[2])?100:1)*(/%$/.test(i[2])?255:1),s=parseInt(i[3],10)/(/%$/.test(i[3])?100:1)*(/%$/.test(i[3])?255:1);return[parseInt(r,10),parseInt(n,10),parseInt(s,10),i[4]?parseFloat(i[4]):1]}},r.Color.fromRgba=e.fromRgb,r.Color.fromHsl=function(t){return e.fromSource(e.sourceFromHsl(t))},r.Color.sourceFromHsl=function(t){var r=t.match(e.reHSLa);if(r){var n,s,o,a=(parseFloat(r[1])%360+360)%360/360,h=parseFloat(r[2])/(/%$/.test(r[2])?100:1),c=parseFloat(r[3])/(/%$/.test(r[3])?100:1);if(0===h)n=s=o=c;else{var l=c<=.5?c*(h+1):c+h-c*h,u=2*c-l;n=i(u,l,a+1/3),s=i(u,l,a),o=i(u,l,a-1/3)}return[Math.round(255*n),Math.round(255*s),Math.round(255*o),r[4]?parseFloat(r[4]):1]}},r.Color.fromHsla=e.fromHsl,r.Color.fromHex=function(t){return e.fromSource(e.sourceFromHex(t))},r.Color.sourceFromHex=function(t){if(t.match(e.reHex)){var i=t.slice(t.indexOf("#")+1),r=3===i.length||4===i.length,n=8===i.length||4===i.length,s=r?i.charAt(0)+i.charAt(0):i.substring(0,2),o=r?i.charAt(1)+i.charAt(1):i.substring(2,4),a=r?i.charAt(2)+i.charAt(2):i.substring(4,6),h=n?r?i.charAt(3)+i.charAt(3):i.substring(6,8):"FF";return[parseInt(s,16),parseInt(o,16),parseInt(a,16),parseFloat((parseInt(h,16)/255).toFixed(2))]}},void(r.Color.fromSource=function(t){var i=new e;return i.setSource(t),i}))}("undefined"!=typeof exports?exports:this),function(){function t(t){var e,i,r,n,s=t.getAttribute("style"),o=t.getAttribute("offset")||0;if(o=parseFloat(o)/(/%$/.test(o)?100:1),o=o<0?0:o>1?1:o,s){var a=s.split(/\s*;\s*/);for(""===a[a.length-1]&&a.pop(),n=a.length;n--;){var h=a[n].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:o,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r,s,o=n(this.coords,!0),a=n(this.colorStops,!0),h=o.r1>o.r2;a.sort(function(t,e){return t.offset-e.offset});for(var c in o)"x1"===c||"x2"===c?o[c]+=this.offsetX-t.width/2:"y1"!==c&&"y2"!==c||(o[c]+=this.offsetY-t.height/2);if(s='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(s+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?r=["<linearGradient ",s,' x1="',o.x1,'" y1="',o.y1,'" x2="',o.x2,'" y2="',o.y2,'">\n']:"radial"===this.type&&(r=["<radialGradient ",s,' cx="',h?o.x1:o.x2,'" cy="',h?o.y1:o.y2,'" r="',h?o.r1:o.r2,'" fx="',h?o.x2:o.x1,'" fy="',h?o.y2:o.y1,'">\n']),"radial"===this.type){if(h)for(a=a.concat(),a.reverse(),e=0,i=a.length;e<i;e++)a[e].offset=1-a[e].offset;var l=Math.min(o.r1,o.r2);if(l>0){var u=Math.max(o.r1,o.r2),f=l/u;for(e=0,i=a.length;e<i;e++)a[e].offset+=f*(1-a[e].offset)}}for(e=0,i=a.length;e<i;e++){var d=a[e];r.push("<stop ",'offset="',100*d.offset+"%",'" style="stop-color:',d.color,null!==d.opacity?";stop-opacity: "+d.opacity:";",'"/>\n')}return r.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),r.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i<r;i++){var s=this.colorStops[i].color,o=this.colorStops[i].opacity,a=this.colorStops[i].offset;"undefined"!=typeof o&&(s=new fabric.Color(s).setAlpha(o).toRgba()),e.addColorStop(a,s)}return e}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(n,s){var o,a,h,c,l=n.getElementsByTagName("stop"),u=n.getAttribute("gradientUnits")||"objectBoundingBox",f=n.getAttribute("gradientTransform"),d=[];for(o="linearGradient"===n.nodeName||"LINEARGRADIENT"===n.nodeName?"linear":"radial","linear"===o?a=e(n):"radial"===o&&(a=i(n)),c=l.length;c--;)d.push(t(l[c]));h=r(s,a,u);var g=new fabric.Gradient({type:o,coords:a,colorStops:d,offsetX:-s.left,offsetY:-s.top});return(f||""!==h)&&(g.gradientTransform=fabric.parseTransformAttribute((f||"")+h)),g},forObject:function(t,e){return e||(e={}),r(t,e.coords,"userSpaceOnUse"),new fabric.Gradient(e)}})}(),function(){"use strict";var t=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(t,e){if(t||(t={}),this.id=fabric.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)return void(e&&e(this));if("undefined"!=typeof fabric.util.getFunctionBody(t.source))this.source=new Function(fabric.util.getFunctionBody(t.source)),e&&e(this);else{var i=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t){i.source=t,e&&e(i)})}},toObject:function(e){var i,r,n=fabric.Object.NUM_FRACTION_DIGITS;return"function"==typeof this.source?i=String(this.source):"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),r={type:"pattern",source:i,repeat:this.repeat,offsetX:t(this.offsetX,n),offsetY:t(this.offsetY,n)},fabric.util.populateWithProperties(this,r,e),r},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,r=e.height/t.height,n=this.offsetX/t.width,s=this.offsetY/t.height,o="";return"repeat-x"!==this.repeat&&"no-repeat"!==this.repeat||(r=1),"repeat-y"!==this.repeat&&"no-repeat"!==this.repeat||(i=1),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+n+'" y="'+s+'" width="'+i+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+n+'%" height="'+(100+2*n)+'%" x="-'+r+'%" width="'+(100+2*r)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+i(this.blur?this.blur/2:0,s)+'"></feGaussianBlur>\n\t<feOffset dx="'+i(o.x,s)+'" dy="'+i(o.y,s)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+this.color+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw o;if("undefined"==typeof e.getContext)throw o;return e},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(t),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject,s=!1,o=!0;for(this.viewportTransform=t,i=0,r=this._objects.length;i<r;i++)e=this._objects[i],e.group||e.setCoords(s,o);return n&&"activeSelection"===n.type&&n.setCoords(s,o),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,r=this.viewportTransform.slice(0);
-t=n(t,s(this.viewportTransform)),r[0]=e,r[3]=e;var o=n(t,r);return r[4]+=i.x-o.x,r[5]+=i.y-o.y,this.setViewportTransform(r)},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:up",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var t=this.contextContainer;return this.rendering&&fabric.window.cancelAnimationFrame(this.rendering),this.renderCanvas(t,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||(this.isRendering=fabric.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,r=s(this.viewportTransform);return t.tl=n({x:0,y:0},r),t.br=n({x:e,y:i},r),t.tr=new fabric.Point(t.br.x,t.tl.y),t.bl=new fabric.Point(t.tl.x,t.br.y),this.vptCoords=t,t},renderCanvas:function(t,e){this.calcViewportBoundaries(),this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),t.save(),t.transform.apply(t,this.viewportTransform),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render")},_renderObjects:function(t,e){var i,r;for(i=0,r=e.length;i<r;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i=this[e+"Color"];i&&(t.fillStyle=i.toLive?i.toLive(t,this):i,t.fillRect(i.offsetX||0,i.offsetY||0,this.width,this.height)),i=this[e+"Image"],i&&(this[e+"Vpt"]&&(t.save(),t.transform.apply(t,this.viewportTransform)),i.render(t),this[e+"Vpt"]&&t.restore())},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new fabric.Point(e.left,e.top))},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=s(this.viewportTransform);return n({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),this.requestRenderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var r={objects:this._toObjects(e,i)};return t(r,this.__serializeBgOverlay(e,i)),fabric.util.populateWithProperties(this,r,i),r},_toObjects:function(t,e){return this.getObjects().filter(function(t){return!t.excludeFromExport}).map(function(i){return this._toObject(i,t,e)},this)},_toObject:function(t,e,i){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var n=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=r),n},__serializeBgOverlay:function(t,e){var i={},r=this.backgroundImage,n=this.overlayImage;return this.backgroundColor&&(i.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(i.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),r&&!r.excludeFromExport&&(i.backgroundImage=this._toObject(r,t,e)),n&&!n.excludeFromExport&&(i.overlayImage=this._toObject(n,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={});var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this._setSVGBgOverlayColor(i,"backgroundColor"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this._setSVGBgOverlayColor(i,"overlayColor"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',n,'" ','height="',s,'" ',o,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"</defs>\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)});return e.join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,h,c="",l={},u=fabric.fontPaths,f=this.getObjects();for(a=0,h=f.length;a<h;a++)if(t=f[a],e=t.fontFamily,t.type.indexOf("text")!==-1&&!l[e]&&u[e]&&(l[e]=!0,t.styles)){i=t.styles;for(n in i){r=i[n];for(o in r)s=r[o],e=s.fontFamily,!l[e]&&u[e]&&(l[e]=!0)}}for(var d in l)c+=["\t\t@font-face {\n","\t\t\tfont-family: '",d,"';\n","\t\t\tsrc: url('",u[d],"');\n","\t\t}\n"].join("");return c&&(c=['\t<style type="text/css">',"<![CDATA[\n",c,"]]>","</style>\n"].join("")),c},_setSVGObjects:function(t,e){var i,r,n,s=this.getObjects();for(r=0,n=s.length;r<n;r++)i=s[r],i.excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&this[e].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e];if(i)if(i.toLive){var r=i.repeat;t.push('<rect transform="translate(',this.width/2,",",this.height/2,')"',' x="',i.offsetX-this.width/2,'" y="',i.offsetY-this.height/2,'" ','width="',"repeat-y"===r||"no-repeat"===r?i.source.width:this.width,'" height="',"repeat-x"===r||"no-repeat"===r?i.source.height:this.height,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[e],'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._objects,e=0;e<n.length;e++)r=n[e],i(this._objects,r),this._objects.push(r);else i(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeObject,c=0;if(t===h&&"activeSelection"===t.type)for(a=h._objects,r=0;r<a.length;r++)n=a[r],s=this._objects.indexOf(n),s>0+c&&(o=s-1,i(this._objects,n),this._objects.splice(o,0,n)),c++;else s=this._objects.indexOf(t),0!==s&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var r,n;if(i)for(r=e,n=e-1;n>=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeObject,c=0;if(t===h&&"activeSelection"===t.type)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s<this._objects.length-1-c&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n)),c++;else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var r,n,s;if(i)for(r=e,n=e+1,s=this._objects.length;n<s;++n){var o=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(o){r=n;break}}else r=e+1;return r},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.clear(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().length+" }>"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t,e,i=this.canvas.contextTop,r=this.canvas.viewportTransform,n=this._points[0],s=this._points[1];for(i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.beginPath(),2===this._points.length&&n.x===s.x&&n.y===s.y&&(n.x-=.5,s.x+=.5),i.moveTo(n.x,n.y),t=1,e=this._points.length;t<e;t++){var o=n.midPointFrom(s);i.quadraticCurveTo(n.x,n.y,o.x,o.y),n=this._points[t],s=this._points[t+1]}i.lineTo(n.x,n.y),i.stroke(),i.restore()},convertPointsToSVGPath:function(t){var e,i,r=[],n=new fabric.Point(t[0].x,t[0].y),s=new fabric.Point(t[1].x,t[1].y);for(r.push("M ",t[0].x," ",t[0].y," "),e=1,i=t.length;e<i;e++){var o=n.midPointFrom(s);r.push("Q ",n.x," ",n.y," ",o.x," ",o.y," "),n=new fabric.Point(t[e].x,t[e].y),e+1<t.length&&(s=new fabric.Point(t[e+1].x,t[e+1].y))}return r.push("L ",n.x," ",n.y," "),r},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray,originX:"center",originY:"center"});return this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){var t=this.canvas.contextTop;t.closePath();var e=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"===e)return void this.canvas.requestRenderAll();var i=this.createPath(e);this.canvas.add(i),i.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.requestRenderAll(),this.canvas.fire("path:created",{path:i})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop,r=this.canvas.viewportTransform;i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},onMouseMove:function(t){this.drawDot(t)},onMouseUp:function(){var t,e,i=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var r=[];for(t=0,e=this.points.length;t<e;t++){var n=this.points[t],s=new fabric.Circle({radius:n.radius,left:n.x,top:n.y,originX:"center",originY:"center",fill:n.fill});this.shadow&&s.setShadow(this.shadow),r.push(s)}var o=new fabric.Group(r,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=i,this.canvas.requestRenderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=r,this.points.push(e),e}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render()},onMouseMove:function(t){this.addSprayChunk(t),this.render()},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;i<r;i++)for(var n=this.sprayChunks[i],s=0,o=n.length;s<o;s++){var a=new fabric.Rect({width:n[s].width,height:n[s].width,left:n[s].x+1,top:n[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&a.setShadow(this.shadow),e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var h=new fabric.Group(e,{originX:"center",originY:"center"});h.canvas=this.canvas,this.canvas.add(h),this.canvas.fire("path:created",{path:h}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,i,r,n={};for(i=0,r=t.length;i<r;i++)e=t[i].left+""+t[i].top,n[e]||(n[e]=t[i]);var s=[];for(e in n)s.push(n[e]);return s},render:function(){var t=this.canvas.contextTop;t.fillStyle=this.color;var e,i,r=this.canvas.viewportTransform;for(t.save(),t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),e=0,i=this.sprayChunkPoints.length;e<i;e++){var n=this.sprayChunkPoints[e];"undefined"!=typeof n.opacity&&(t.globalAlpha=n.opacity),t.fillRect(n.x,n.y,n.width,n.width)}t.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,r,n,s=this.width/2;for(n=0;n<this.density;n++){e=fabric.util.getRandomInt(t.x-s,t.x+s),i=fabric.util.getRandomInt(t.y-s,t.y+s),r=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new fabric.Point(e,i);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=20,e=5,i=fabric.document.createElement("canvas"),r=i.getContext("2d");return i.width=i.height=t+e,r.fillStyle=this.color,r.beginPath(),r.arc(t/2,t/2,t/2,0,2*Math.PI,!1),r.closePath(),r.fill(),i},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var t=fabric.util.getPointer,e=fabric.util.degreesToRadians,i=fabric.util.radiansToDegrees,r=Math.atan2,n=Math.abs,s=fabric.StaticCanvas.supports("setLineDash"),o=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniScaleTransform:!1,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",notAllowedCursor:"not-allowed",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,i,r=this.getActiveObjects();if(r.length>0&&!this.preserveObjectStacking){e=[],i=[];for(var n=0,s=this._objects.length;n<s;n++)t=this._objects[n],r.indexOf(t)===-1?e.push(t):i.push(t);r.length>1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.selection&&this._groupSelector&&this._drawSelection(t),this.fire("after:render"),this.contextTopDirty=!0,this},_resetCurrentTransform:function(){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,skewX:t.original.skewX,skewY:t.original.skewY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(t.target)?"rotate"===t.action?this._setOriginToCenter(t.target):("center"!==t.originX&&("right"===t.originX?t.mouseXSign=-1:t.mouseXSign=1),"center"!==t.originY&&("bottom"===t.originY?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(t,e,i){var r,n=!0,s=i||this.getPointer(t,n);return r=e.group&&e.group===this._activeObject&&"activeSelection"===e.group.type?this._normalizePointer(e.group,s):{x:s.x,y:s.y},e.containsPoint(r)||e._findTargetCorner(s)},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),r=fabric.util.invertTransform(i),n=this.restorePointerVpt(e);return fabric.util.transformPoint(n,r)},isTargetTransparent:function(t,e,i){var r=t.hasBorders,n=t.transparentCorners,s=this.contextCache,o=t.selectionBackgroundColor;t.hasBorders=t.transparentCorners=!1,t.selectionBackgroundColor="",s.save(),s.transform.apply(s,this.viewportTransform),t.render(s),s.restore(),t.active&&t._renderControls(s),t.hasBorders=r,t.transparentCorners=n,t.selectionBackgroundColor=o;var a=fabric.util.isTransparent(s,e,i,this.targetFindTolerance);return this.clearContext(s),a},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),r=this._activeObject;return!e||e&&r&&i.length>1&&i.indexOf(e)===-1&&r!==e&&!t[this.selectionKey]||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t){if(t){var e,i=this._currentTransform;return"scale"===i.action||"scaleX"===i.action||"scaleY"===i.action?e=this.centeredScaling||t.centeredScaling:"rotate"===i.action&&(e=this.centeredRotation||t.centeredRotation),e?!i.altKey:i.altKey}},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":"mr"!==e&&"tr"!==e&&"br"!==e||(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":"bl"!==e&&"mb"!==e&&"br"!==e||(i.y="top"),i},_getActionFromCorner:function(t,e,i){if(!e)return"drag";switch(e){case"mtr":return"rotate";case"ml":case"mr":return i[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return i[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(t,i){if(i){var r=this.getPointer(t),n=i._findTargetCorner(this.getPointer(t,!0)),s=this._getActionFromCorner(i,n,t),o=this._getOriginFromCorner(i,n);this._currentTransform={target:i,action:s,corner:n,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:r.x-i.left,offsetY:r.y-i.top,originX:o.x,originY:o.y,ex:r.x,ey:r.y,lastX:r.x,lastY:r.y,left:i.left,top:i.top,theta:e(i.angle),width:i.width*i.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:t.shiftKey,altKey:t[this.centeredKey]},this._currentTransform.original={left:i.left,top:i.top,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,originX:o.x,originY:o.y},this._resetCurrentTransform()}},_translateObject:function(t,e){var i=this._currentTransform,r=i.target,n=t-i.offsetX,s=e-i.offsetY,o=!r.get("lockMovementX")&&r.left!==n,a=!r.get("lockMovementY")&&r.top!==s;return o&&r.set("left",n),a&&r.set("top",s),o||a},_changeSkewTransformOrigin:function(t,e,i){var r="originX",n={0:"center"},s=e.target.skewX,o="left",a="right",h="mt"===e.corner||"ml"===e.corner?1:-1,c=1;t=t>0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&c<u.scaleX&&(f=!0),s&&l<=0&&l<u.scaleY&&(d=!0),"equally"!==n||i||r?n?"x"!==n||u.get("lockUniScaling")?"y"!==n||u.get("lockUniScaling")||d||r||u.set("scaleY",l)&&(g=g||h):f||i||u.set("scaleX",c)&&(g=g||a):(f||i||u.set("scaleX",c)&&(g=g||a),d||r||u.set("scaleY",l)&&(g=g||h)):f||d||(g=this._scaleObjectEqually(t,u,e,o)),e.newScaleX=c,e.newScaleY=l,f||d||this._flipObject(e,n),g},_scaleObjectEqually:function(t,e,i,r){var n,s=t.y+t.x,o=r.y*i.original.scaleY/e.scaleY+r.x*i.original.scaleX/e.scaleX;return i.newScaleX=i.original.scaleX*s/o,i.newScaleY=i.original.scaleY*s/o,n=i.newScaleX!==e.scaleX||i.newScaleY!==e.scaleY,e.set("scaleX",i.newScaleX),e.set("scaleY",i.newScaleY),n},_flipObject:function(t,e){t.newScaleX<0&&"y"!==e&&("left"===t.originX?t.originX="right":"right"===t.originX&&(t.originX="left")),t.newScaleY<0&&"x"!==e&&("top"===t.originY?t.originY="bottom":"bottom"===t.originY&&(t.originY="top"))},_setLocalMouse:function(t,e){var i=e.target,r=this.getZoom(),s=i.padding/r;"right"===e.originX?t.x*=-1:"center"===e.originX&&(t.x*=2*e.mouseXSign,t.x<0&&(e.mouseXSign=-e.mouseXSign)),"bottom"===e.originY?t.y*=-1:"center"===e.originY&&(t.y*=2*e.mouseYSign,t.y<0&&(e.mouseYSign=-e.mouseYSign)),n(t.x)>s?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta),h=!0;if(n.target.snapAngle>0){var c=n.target.snapAngle,l=n.target.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)<l?a=f:Math.abs(a-u)<l&&(a=u)}return a<0&&(a=360+a),a%=360,n.target.angle===a?h=!1:n.target.angle=a,h},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.setAngle(0)},_drawSelection:function(t){var e=this._groupSelector,i=e.left,r=e.top,a=n(i),h=n(r);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this._activeObject,o=this.getActiveObjects();if(this.targets=[],o.length>1&&!e&&s===this._searchPossibleTargets([s],n))return this._fireOverOutEvents(s,t),s;if(1===o.length&&s._findTargetCorner(n))return this._fireOverOutEvents(s,t),s;if(1===o.length&&s===this._searchPossibleTargets([s],n)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(s,t),s;i=s}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){
-return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;return t?"activeSelection"===t.type&&t._objects?t._objects:[t]:[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},setActiveObject:function(t,e){var i=this._activeObject;return t===i?this:(this._setActiveObject(t,e)&&(i&&i.fire("deselected",{e:e}),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this)},_setActiveObject:function(t,e){var i=this._activeObject;return i!==t&&!t.onSelect({e:e})&&(!!this._discardActiveObject(e)&&(this._activeObject=t,t.set("active",!0),!0))},_discardActiveObject:function(t){var e=this._activeObject;if(e&&e.onDeselect&&"function"==typeof e.onDeselect){if(e.onDeselect({e:t}))return!1;e.set("active",!1),this._activeObject=null}return!0},discardActiveObject:function(t){var e=this._activeObject;return e&&(this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(t)&&(this.fire("selection:cleared",{e:t}),e.fire("deselected",{e:t}))),this},dispose:function(){fabric.StaticCanvas.prototype.dispose.call(this);var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),delete this.upperCanvasEl,t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(t),n=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,r),n},_realizeGroupTransformOnObject:function(t){if(t.group&&"activeSelection"===t.group.type&&this._activeObject===t.group){var e=["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"],i={};return e.forEach(function(e){i[e]=t[e]}),this._activeObject.realizeTransform(t),i}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,r)}});for(var a in fabric.StaticCanvas)"prototype"!==a&&(fabric.Canvas[a]=fabric.StaticCanvas[a]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){})}(),function(){function t(t,e){return"which"in t?t.which===e:t.button===e-1}var e={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},i=fabric.util.addListener,r=fabric.util.removeListener,n=3,s=2,o=1;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this.removeListeners(),this._bindEvents(),i(fabric.window,"resize",this._onResize),i(this.upperCanvasEl,"mousedown",this._onMouseDown),i(this.upperCanvasEl,"dblclick",this._onDoubleClick),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"mouseout",this._onMouseOut),i(this.upperCanvasEl,"mouseenter",this._onMouseEnter),i(this.upperCanvasEl,"wheel",this._onMouseWheel),i(this.upperCanvasEl,"contextmenu",this._onContextMenu),i(this.upperCanvasEl,"touchstart",this._onMouseDown,{passive:!1}),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"undefined"!=typeof eventjs&&"add"in eventjs&&(eventjs.add(this.upperCanvasEl,"gesture",this._onGesture),eventjs.add(this.upperCanvasEl,"drag",this._onDrag),eventjs.add(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.add(this.upperCanvasEl,"shake",this._onShake),eventjs.add(this.upperCanvasEl,"longpress",this._onLongPress))},_bindEvents:function(){this.eventsBinded||(this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this.eventsBinded=!0)},removeListeners:function(){r(fabric.window,"resize",this._onResize),r(this.upperCanvasEl,"mousedown",this._onMouseDown),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"mouseout",this._onMouseOut),r(this.upperCanvasEl,"mouseenter",this._onMouseEnter),r(this.upperCanvasEl,"wheel",this._onMouseWheel),r(this.upperCanvasEl,"contextmenu",this._onContextMenu),r(this.upperCanvasEl,"doubleclick",this._onDoubleClick),r(this.upperCanvasEl,"touchstart",this._onMouseDown),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof eventjs&&"remove"in eventjs&&(eventjs.remove(this.upperCanvasEl,"gesture",this._onGesture),eventjs.remove(this.upperCanvasEl,"drag",this._onDrag),eventjs.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.remove(this.upperCanvasEl,"shake",this._onShake),eventjs.remove(this.upperCanvasEl,"longpress",this._onLongPress))},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t}),this._iTextInstances&&this._iTextInstances.forEach(function(t){t.isEditing&&t.hiddenTextarea.focus()})},_onMouseEnter:function(t){this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null)},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){var e;this._handleEvent(t,"dblclick",e)},_onMouseDown:function(t){this.__onMouseDown(t),i(fabric.document,"touchend",this._onMouseUp,{passive:!1}),i(fabric.document,"touchmove",this._onMouseMove,{passive:!1}),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchstart"===t.type?r(this.upperCanvasEl,"mousedown",this._onMouseDown):(i(fabric.document,"mouseup",this._onMouseUp),i(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(t){if(this.__onMouseUp(t),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp),r(fabric.document,"mousemove",this._onMouseMove),r(fabric.document,"touchmove",this._onMouseMove),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"touchend"===t.type){var e=this;setTimeout(function(){i(e.upperCanvasEl,"mousedown",e._onMouseDown)},400)}},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t,e){var i=this._activeObject;return(!i||!i.isEditing||t!==i)&&!!(t&&(t.isMoving||t!==i)||!t&&i||!t&&!i&&!this._groupSelector||e&&this._previousPointer&&this.selection&&(e.x!==this._previousPointer.x||e.y!==this._previousPointer.y))},__onMouseUp:function(e){var i;if(t(e,n))return void(this.fireRightClick&&this._handleEvent(e,"up",i,n));if(t(e,s))return void(this.fireMiddleClick&&this._handleEvent(e,"up",i,s));if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(e);var r=!0,a=this._currentTransform,h=this._groupSelector,c=!h||0===h.left&&0===h.top;a&&(this._finalizeCurrentTransform(e),r=!a.actionPerformed),i=r?this.findTarget(e,!0):a.target;var l=this._shouldRender(i,this.getPointer(e));i||!c?this._maybeGroupObjects(e):(this._groupSelector=null,this._currentTransform=null),i&&(i.isMoving=!1),this._setCursorFromEvent(e,i),this._handleEvent(e,"up",i?i:null,o,c),i&&(i.__corner=0),l&&this.requestRenderAll()},_handleEvent:function(t,e,i,r,n){var s="undefined"==typeof i?this.findTarget(t):i,a=this.targets||[],h={e:t,target:s,subTargets:a,button:r||o,isClick:n||!1};this.fire("mouse:"+e,h),s&&s.fire("mouse"+e,h);for(var c=0;c<a.length;c++)a[c].fire("mouse"+e,h)},_finalizeCurrentTransform:function(t){var e=this._currentTransform,i=e.target;i._scaling&&(i._scaling=!1),i.setCoords(),this._restoreOriginXY(i),(e.actionPerformed||this.stateful&&i.hasStateChanged())&&(this.fire("object:modified",{target:i,e:t}),i.fire("modified",{e:t}))},_restoreOriginXY:function(t){if(this._previousOriginX&&this._previousOriginY){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.discardActiveObject(t).requestRenderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e)}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this._handleEvent(t,"up")},__onMouseDown:function(e){var i=this.findTarget(e);if(t(e,n))return void(this.fireRightClick&&this._handleEvent(e,"down",i?i:null,n));if(t(e,s))return void(this.fireMiddleClick&&this._handleEvent(e,"down",i?i:null,s));if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(e);if(!this._currentTransform){var r=this.getPointer(e,!0);this._previousPointer=r;var o=this._shouldRender(i,r),a=this._shouldGroup(e,i);this._shouldClearSelection(e,i)?this.discardActiveObject(e):a&&(this._handleGrouping(e,i),i=this._activeObject),!this.selection||i&&(i.selectable||i.isEditing||i===this._activeObject)||(this._groupSelector={ex:r.x,ey:r.y,top:0,left:0}),i&&(!i.selectable&&i!==this._activeObject||!i.__corner&&a||(this._beforeTransform(e,i),this._setupCurrentTransform(e,i)),i.selectable&&this.setActiveObject(i,e)),this._handleEvent(e,"down",i?i:null),o&&this.requestRenderAll()}},_beforeTransform:function(t,e){this.stateful&&e.saveState(),e._findTargetCorner(this.getPointer(t))&&this.onBeforeScaleRotate(e)},_setOriginToCenter:function(t){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var e=t.getCenterPoint();t.originX="center",t.originY="center",t.left=e.x,t.top=e.y,this._currentTransform.left=t.left,this._currentTransform.top=t.top},_setCenterToOrigin:function(t){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(t){var e,i;if(this.isDrawingMode)return void this._onMouseMoveInDrawingMode(t);if(!("undefined"!=typeof t.touches&&t.touches.length>1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return this._isUniscalePossible(t,e.target)?(e.currentAction="scale",this._scaleObject(i,r)):(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally"))},_isUniscalePossible:function(t,e){return(t[this.uniScaleKey]||this.uniScaleTransform)&&!e.get("lockUniScaling")},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,n=(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this.setCursor(this.getCornerCursor(n,e,t)):this.setCursor(i)},getCornerCursor:function(t,i,r){return this.actionIsDisabled(t,i,r)?this.notAllowedCursor:t in e?this._getRotatedCornerCursor(t,i,r):"mtr"===t&&i.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(t,e,i){return"mt"===t||"mb"===t?i[this.altActionKey]?e.lockSkewingX:e.lockScalingY:"ml"===t||"mr"===t?i[this.altActionKey]?e.lockSkewingY:e.lockScalingX:"mtr"===t?e.lockRotation:this._isUniscalePossible(i,e)?e.lockScalingX&&e.lockScalingY:e.lockScalingX||e.lockScalingY},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.angle%360/45);return n<0&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&t[this.selectionKey]&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0)))&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject;if(i.contains(t)){if(i.removeWithUpdate(t),1===i.size())return void this.setActiveObject(i.item(0),e)}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e})},_createActiveSelection:function(t,e){var i=this._createGroup(t);this.setActiveObject(i,e),this.fire("selection:created",{target:i,e:e})},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)<e.indexOf(t),r=i?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new fabric.ActiveSelection(r,{canvas:this})},_groupSelectedObjects:function(t){var e=this._collectObjects();1===e.length?this.setActiveObject(e[0],t):e.length>1&&(e=new fabric.ActiveSelection(e.reverse(),{canvas:this}),this.setActiveObject(e,t),this.fire("selection:created",{target:e,e:t}),this.requestRenderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.width,s=this.height,o=(i.width||this.width)*r,a=(i.height||this.height)*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive,p=this.skipOffscreen;this.viewportTransform=d,this.skipOffscreen=!1,this.interactive=!1,n===o&&s===a||this.setDimensions({width:o,height:a}),this.renderAll();var v=this.__toDataURL(t,e,i);return this.interactive=g,this.skipOffscreen=p,this.viewportTransform=l,this.setDimensions({width:n,height:s}),v},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),n=this,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,this._enlivenObjects(r.objects,function(t){n.clear(),n._setBgOverlay(r,function(){t.forEach(function(t,e){n.insertAt(t,e)}),n.renderOnAddRemove=s,delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),n.renderAll(),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):(i[t]=!0,void(r&&r()))},_enlivenObjects:function(t,e,i){return t&&0!==t.length?void fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):void(e&&e([]))},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.width,e.height=this.height;var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode,c=2;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,dirty:!0,__corner:0,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor".split(" "),initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=e.cacheSideLimit,n=t.width,s=t.height,o=n/s,a=e.util.limitDimsByArea(o,i,r),h=e.util.capValue,c=e.maxCacheSideLimit,l=e.minCacheSideLimit,u=h(l,a.x,c),f=h(l,a.y,c);return n>u?(t.zoomX/=n/u,t.width=u):n<l&&(t.width=l),s>f?(t.zoomY/=s/f,t.height=f):s<l&&(t.height=l),t},_getCacheCanvasDimensions:function(){var t=this.canvas&&this.canvas.getZoom()||1,i=this.getObjectScaling(),r=this._getNonTransformedDimensions(),n=this.canvas&&this.canvas._isRetinaScaling()?e.devicePixelRatio:1,s=i.scaleX*t*n,o=i.scaleY*t*n,a=r.x*s,h=r.y*o;return{width:a+c,height:h+c,zoomX:s,zoomY:o}},_updateCacheCanvas:function(){if(this.noScaleCache&&this.canvas&&this.canvas._currentTransform){var t=this.canvas._currentTransform.action;if(t.slice&&"scale"===t.slice(0,5))return!1}var i=this._limitCacheSize(this._getCacheCanvasDimensions()),r=e.minCacheSideLimit,n=i.width,s=i.height,o=i.zoomX,a=i.zoomY,h=n!==this.cacheWidth||s!==this.cacheHeight,c=this.zoomX!==o||this.zoomY!==a,l=h||c,u=0,f=0,d=!1;if(h){var g=this._cacheCanvas.width,p=this._cacheCanvas.height,v=n>g||s>p,m=(n<.9*g||s<.9*p)&&g>r&&p>r;d=v||m,v&&(u=.1*n&-2,f=.1*s&-2)}return!!l&&(d?(this._cacheCanvas.width=Math.max(Math.ceil(n)+u,r),this._cacheCanvas.height=Math.max(Math.ceil(s)+f,r),this.cacheTranslationX=(n+u)/2,this.cacheTranslationY=(s+f)/2):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,this._cacheCanvas.width,this._cacheCanvas.height)),this.cacheWidth=n,this.cacheHeight=s,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(o,a),this.zoomX=o,this.zoomY=a,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t,e){this.group&&!this.group._transformDone&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),this.angle&&t.rotate(o(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),this.skewX&&t.transform(1,0,Math.tan(o(this.skewX)),1,0,0),this.skewY&&t.transform(1,Math.tan(o(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#<fabric."+s(this.type)+">"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,this.cacheProperties.indexOf(t)>-1&&(this.group&&this.group.set("dirty",!0),this.dirty=!0),this.group&&this.stateProperties.indexOf(t)>-1&&this.group.isOnACache()&&this.group.set("dirty",!0),"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},onDeselect:function(){},onSelect:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},needsItsOwnCache:function(){return!1},shouldCache:function(){return this.ownCaching=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group.transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n,s,a=this.getViewportTransform(),h=this.calcTransformMatrix();i=i||{},n="undefined"!=typeof i.hasBorders?i.hasBorders:this.hasBorders,s="undefined"!=typeof i.hasControls?i.hasControls:this.hasControls,h=e.util.multiplyTransformMatrices(a,h),r=e.util.qrDecompose(h),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),i.forActiveSelection?(t.rotate(o(r.angle)),n&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),n&&this.drawBorders(t,i)),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(e.toLive){var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;t.translate(r,n),i&&t.transform.apply(t,i)}},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_removeTransformMatrix:function(){var t=this._findCenterFromElement();if(this.transformMatrix){var i=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",i.scaleX),this.set("scaleY",i.scaleY),this.angle=i.angle,this.skewX=i.skewX,this.skewY=0,t=e.util.transformPoint(t,this.transformMatrix)}this.transformMatrix=null,this.setPositionByOrigin(t,"center","center")},clone:function(t,i){var r=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i));
-}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.active,left:this.left,top:this.top};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},remove:function(){return this.canvas&&this.canvas.remove(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s){var o=e[t];i=r(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){"undefined"!=typeof t[0]&&(i.fill=t[0]),"undefined"!=typeof t[1]&&(i.stroke=t[1]);var e=s?new o(i[s],i):new o(i);n&&n(e)})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getScaledWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r),s=fabric.Intersection.intersectPolygonRectangle(n,t,e);return"Intersection"===s.status},intersectsWithObject:function(t,e,i){var r=fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if(e=n[s],e.x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return!!this.containsPoint(o,null,!0)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y<t.y&&a.d.y<t.y||a.o.y>=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:t},scale:function(t){return t=this._constrainScale(t),t<0&&(this.flipX=!this.flipX,this.flipY=!this.flipY,t*=-1),this.scaleX=t,this.scaleY=t,this.setCoords()},scaleToWidth:function(t){var e=this.getBoundingRect().width/this.getScaledWidth();return this.scale(t/this.width/e)},scaleToHeight:function(t){var e=this.getBoundingRect().height/this.getScaledHeight();return this.scale(t/this.height/e)},calcCoords:function(t){var i=e(this.angle),r=this.getViewportTransform(),n=t?this._getTransformedDimensions():this._calculateCurrentDimensions(),s=n.x,o=n.y,a=Math.sin(i),h=Math.cos(i),c=s>0?Math.atan(o/s):0,l=s/Math.cos(c)/2,u=Math.cos(c+i)*l,f=Math.sin(c+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*h,p.y+s*a),m=new fabric.Point(p.x-o*a,p.y+o*h),b=new fabric.Point(g.x+u,g.y+f);if(!t)var y=new fabric.Point((p.x+m.x)/2,(p.y+m.y)/2),_=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point((b.x+v.x)/2,(b.y+v.y)/2),C=new fabric.Point((b.x+m.x)/2,(b.y+m.y)/2),S=new fabric.Point(_.x+a*this.rotatingPointOffset,_.y-h*this.rotatingPointOffset);var g={tl:p,tr:v,br:b,bl:m};return t||(g.ml=y,g.mt=_,g.mr=x,g.mb=C,g.mtr=S),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return 6.123233995736766e-17!==i&&i!==-1.8369701987210297e-16||(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(t){var e,r,n=this.getCenterPoint(),s=[1,0,0,1,n.x,n.y],o=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0);return r=this.group&&!t?i(this.group.calcTransformMatrix(),s):s,this.angle&&(e=this._calcRotateMatrix(),r=i(r,e)),r=i(r,o)},_calcDimensionsTransformMatrix:function(t,r,n){var s,o=this.scaleX*(n&&this.flipX?-1:1),a=this.scaleY*(n&&this.flipY?-1:1),h=[o,0,0,a,0,0];return t&&(s=[1,0,Math.tan(e(t)),1],h=i(h,s,!0)),r&&(s=[1,Math.tan(e(r)),0,1],h=i(h,s,!0)),h},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i<a.length;i++)a[i]=fabric.util.transformPoint(a[i],h);return r=fabric.util.makeBoundingBoxFromPoints(a),{x:r.width,y:r.height}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions(),i=fabric.util.transformPoint(e,t,!0);return i.scalarAdd(2*this.padding)}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new fabric.Color(e),r=t+": "+i.toRgb()+"; ",n=i.getAlpha();return 1!==n&&(r+=t+"-opacity: "+n.toString()+"; "),r}return t+": none; "}var e=fabric.Object.NUM_FRACTION_DIGITS,i=fabric.util.toFixed;fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule,r=this.strokeWidth?this.strokeWidth:"0",n=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",a=this.strokeMiterLimit?this.strokeMiterLimit:"4",h="undefined"!=typeof this.opacity?this.opacity:"1",c=this.visible?"":" visibility: hidden;",l=e?"":this.getSvgFilter(),u=t("fill",this.fill),f=t("stroke",this.stroke);return[f,"stroke-width: ",r,"; ","stroke-dasharray: ",n,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",a,"; ",u,"fill-rule: ",i,"; ","opacity: ",h,";",l,c].join("")},getSvgSpanStyles:function(e){var i=e.strokeWidth?"stroke-width: "+e.strokeWidth+"; ":"",r=e.fontFamily?"font-family: "+e.fontFamily.replace(/"/g,"'")+"; ":"",n=e.fontSize?"font-size: "+e.fontSize+"; ":"",s=e.fontStyle?"font-style: "+e.fontStyle+"; ":"",o=e.fontWeight?"font-weight: "+e.fontWeight+"; ":"",a=e.fill?t("fill",e.fill):"",h=e.stroke?t("stroke",e.stroke):"",c=this.getSvgTextDecoration(e);return[h,i,r,n,s,o,c,a].join("")},getSvgTextDecoration:function(t){return"overline"in t||"underline"in t||"linethrough"in t?"text-decoration: "+(t.overline?"overline ":"")+(t.underline?"underline ":"")+(t.linethrough?"line-through ":"")+";":""},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgId:function(){return this.id?'id="'+this.id+'" ':""},getSvgTransform:function(){var t=this.angle,e=this.skewX%360,r=this.skewY%360,n=this.getCenterPoint(),s=fabric.Object.NUM_FRACTION_DIGITS,o="translate("+i(n.x,s)+" "+i(n.y,s)+")",a=0!==t?" rotate("+i(t,s)+")":"",h=1===this.scaleX&&1===this.scaleY?"":" scale("+i(this.scaleX,s)+" "+i(this.scaleY,s)+")",c=0!==e?" skewX("+i(e,s)+")":"",l=0!==r?" skewY("+i(r,s)+")":"",u=this.flipX?" matrix(-1 0 0 1 0 0) ":"",f=this.flipY?" matrix(1 0 0 -1 0 0)":"";return[o,a,h,u,f,c,l].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_setSVGBg:function(t){this.backgroundColor&&t.push("\t\t<rect ",this._getFillAttributes(this.backgroundColor),' x="',i(-this.width/2,e),'" y="',i(-this.height/2,e),'" width="',i(this.width,e),'" height="',i(this.height,e),'"></rect>\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i,r){if(t===i)return!0;if(Array.isArray(t)){if(t.length!==i.length)return!1;for(var n=0,s=t.length;n<s;n++)if(!e(t[n],i[n]))return!1;return!0}if(t&&"object"==typeof t){var o,a=Object.keys(t);if(!r&&a.length!==Object.keys(i).length)return!1;for(var n=0,s=a.length;n<s;n++)if(o=a[n],!e(t[o],i[o]))return!1;return!0}}var i=fabric.util.object.extend,r="stateProperties";fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){t=t||r;var i="_"+t;return Object.keys(this[i]).length<this[t].length||!e(this[i],this,!0)},saveState:function(e){var i=e&&e.propertySet||r,n="_"+i;return this[n]?(t(this,n,this[i]),e&&e.stateProperties&&t(this,n,e.stateProperties),this):this.setupState(e)},setupState:function(t){t=t||{};var e=t.propertySet||r;return t.propertySet=e,this["_"+e]={},this.saveState(t),this}})}(),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||!this.active||this.group)return!1;var e,i,r=t.x,n=t.y;this.__corner=0;for(var s in this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),e=this._findCrossPoints({x:r,y:n},i),0!==e&&e%2===1))return this.__corner=s,s;return!1},_setCornerCoords:function(){var e,i,r=this.oCoords,n=t(45-this.angle),s=.707106*this.cornerSize,o=s*Math.cos(n),a=s*Math.sin(n);for(var h in r)e=r[h].x,i=r[h].y,r[h].corner={tl:{x:e-a,y:i-o},tr:{x:e+o,y:i-a},bl:{x:e-o,y:i+a},br:{x:e+a,y:i+o}}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||!this.active||this.canvas&&!this.canvas.interactive)return this;e.save();var i=this.getCenterPoint(),r=this._calculateCurrentDimensions(),n=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/n[0],1/n[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-r.x/2,-r.y/2,r.x,r.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=1/this.borderScaleFactor,n=i.x+r,s=i.y+r,o="undefined"!=typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,a="undefined"!=typeof e.hasControls?e.hasControls:this.hasControls,h="undefined"!=typeof e.rotatingPointOffset?e.rotatingPointOffset:this.rotatingPointOffset;if(t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),t.strokeRect(-n/2,-s/2,n,s),o&&this.isControlVisible("mtr")&&a){var c=-s/2;t.beginPath(),t.moveTo(0,c),t.lineTo(0,c-h),t.closePath(),t.stroke()}return t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var r=this._getNonTransformedDimensions(),n=fabric.util.customTransformMatrix(e.scaleX,e.scaleY,e.skewX),s=fabric.util.transformPoint(r,n),o=1/this.borderScaleFactor,a=s.x+o,h=s.y+o;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray,null),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-a/2,-h/2,a,h),t.restore(),this},drawControls:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=i.x,n=i.y,s=e.cornerSize||this.cornerSize,o=-(r+s)/2,a=-(n+s)/2,h="undefined"!=typeof e.transparentCorners?e.transparentCorners:this.transparentCorners,c="undefined"!=typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,l=h?"stroke":"fill";return t.save(),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray,null),this._drawControl("tl",t,l,o,a,e),this._drawControl("tr",t,l,o+r,a,e),this._drawControl("bl",t,l,o,a+n,e),this._drawControl("br",t,l,o+r,a+n,e),this.get("lockUniScaling")||(this._drawControl("mt",t,l,o+r/2,a,e),this._drawControl("mb",t,l,o+r/2,a+n,e),this._drawControl("mr",t,l,o+r,a+n/2,e),this._drawControl("ml",t,l,o,a+n/2,e)),c&&this._drawControl("mtr",t,l,o+r/2,a-this.rotatingPointOffset,e),t.restore(),this},_drawControl:function(t,e,i,r,n,s){if(s=s||{},this.isControlVisible(t)){var o=this.cornerSize,a=!this.transparentCorners&&this.cornerStrokeColor;switch(s.cornerStyle||this.cornerStyle){case"circle":e.beginPath(),e.arc(r+o/2,n+o/2,o/2,0,2*Math.PI,!1),e[i](),a&&e.stroke();break;default:this.transparentCorners||e.clearRect(r,n,o,o),e[i+"Rect"](r,n,o,o),a&&e.strokeRect(r,n,o,o)}}},isControlVisible:function(t){return this._getControlsVisibility()[t]},setControlVisible:function(t,e){return this._getControlsVisibility()[t]=e,this},setControlsVisibility:function(t){t||(t={});for(var e in t)this.setControlVisible(e,t[e]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({startValue:t.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),s.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}}),this},fxCenterObjectV:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({startValue:t.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),s.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}}),this},fxRemove:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onStart:function(){t.set("active",!1)},onChange:function(e){t.set("opacity",e),s.requestRenderAll(),n()},onComplete:function(){s.remove(t),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"==typeof arguments[0]){var t,e,i=[];for(t in arguments[0])i.push(t);for(var r=0,n=i.length;r<n;r++)t=i[r],e=r!==n-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,i,r){var n,s=this;e=e.toString(),i=i?fabric.util.object.clone(i):{},~t.indexOf(".")&&(n=t.split("."));var o=n?this.get(n[0])[n[1]]:this.get(t);"from"in i||(i.from=o),e=~e.indexOf("=")?o+parseFloat(e.replace("=","")):parseFloat(e),fabric.util.animate({startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(s)},onChange:function(e,o,a){n?s[n[0]][n[1]]=e:s.set(t,e),r||i.onChange&&i.onChange(e,o,a)},onComplete:function(t,e,n){r||(s.setCoords(),i.onComplete&&i.onComplete(t,e,n))}})}}),function(t){"use strict";function e(t,e){var i=t.origin,r=t.axis1,n=t.axis2,s=t.dimension,o=e.nearest,a=e.center,h=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(r),this.get(n));case a:return Math.min(this.get(r),this.get(n))+.5*this.get(s);case h:return Math.max(this.get(r),this.get(n))}}}var i=t.fabric||(t.fabric={}),r=i.util.object.extend,n=i.util.object.clone,s={x1:1,x2:1,y1:1,y2:1},o=i.StaticCanvas.supports("setLineDash");if(i.Line)return void i.warn("fabric.Line is already defined");var a=i.Object.prototype.cacheProperties.concat();a.push("x1","x2","y1","y2"),i.Line=i.util.createClass(i.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:a,initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),"undefined"!=typeof s[t]&&this._setWidthHeight(),this},_getLeftToOriginX:e({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:e({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){if(t.beginPath(),!this.strokeDashArray||this.strokeDashArray&&o){var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2)}t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_renderDashedStroke:function(t){var e=this.calcLinePoints();t.beginPath(),i.util.drawDashedLine(t,e.x1,e.y1,e.x2,e.y2,this.strokeDashArray),t.closePath()},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return r(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,r=e*this.height*.5,n=t*this.width*-.5,s=e*this.height*-.5;return{x1:i,x2:n,y1:r,y2:s}},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.calcLinePoints();return e.push("<line ",this.getSvgId(),'x1="',i.x1,'" y1="',i.y1,'" x2="',i.x2,'" y2="',i.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e,n){n=n||{};var s=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];n.originX="left",n.originY="top",e(new i.Line(o,r(s,n)))},i.Line.fromObject=function(t,e){function r(t){delete t.points,e&&e(t)}var s=n(t,!0);s.points=[t.x1,t.y1,t.x2,t.y2],i.Object._fromObject("Line",s,r,"points")}}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;if(i.Circle)return void i.warn("fabric.Circle is already defined.");var s=i.Object.prototype.cacheProperties.concat();s.push("radius"),i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:s,initialize:function(t){this.callSuper("initialize",t),this.set("radius",t&&t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)e.push("<circle ",this.getSvgId(),'cx="'+i+'" cy="'+n+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('<path d="M '+o+" "+a," A "+this.radius+" "+this.radius," 0 ",+l+" 1"," "+h+" "+c,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r,s){s||(s={});var o=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(o))throw new Error("value of `r` attribute is required and can not be negative");o.left=(o.left||0)-o.radius,o.top=(o.top||0)-o.radius,o.originX="left",o.originY="top",r(new i.Circle(n(o,s)))},i.Circle.fromObject=function(t,e){return i.Object._fromObject("Circle",t,e)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){this.callSuper("initialize",t),this.set("width",t&&t.width||100).set("height",t&&t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("<polygon ",this.getSvgId(),'points="',n,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),t?t(e.join("")):e.join("")}}),void(e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;if(e.Ellipse)return void e.warn("fabric.Ellipse is already defined.");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return e.push("<ellipse ",this.getSvgId(),'cx="',i,'" cy="',r,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i,n){n||(n={});var s=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);s.left=(s.left||0)-s.rx,s.top=(s.top||0)-s.ry,s.originX="left",s.originY="top",i(new e.Ellipse(r(s,n)))},e.Ellipse.fromObject=function(t,i){return e.Object._fromObject("Ellipse",t,i)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("<rect ",this.getSvgId(),'x="',i,'" y="',r,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r,n){if(!t)return r(null);n=n||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0,s.originX="left",s.originY="top";var o=new e.Rect(i(n?e.util.object.clone(n):{},s));o.visible=o.visible&&o.width>0&&o.height>0,r(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.Object.NUM_FRACTION_DIGITS;if(e.Polyline)return void e.warn("fabric.Polyline is already defined");var a=e.Object.prototype.cacheProperties.concat();a.push("points"),
-e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,cacheProperties:a,initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._calcDimensions(),"top"in e||(this.top=this.minY),"left"in e||(this.left=this.minX),this.pathOffset={x:this.minX+this.width/2,y:this.minY+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x"),i=r(t,"y"),s=n(t,"x"),o=n(t,"y");this.width=s-e||0,this.height=o-i||0,this.minX=e||0,this.minY=i||0},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),a=0,h=this.points.length;a<h;a++)e.push(s(this.points[a].x-i,o),",",s(this.points[a].y-r,o)," ");return n.push("<",this.type," ",this.getSvgId(),'points="',e.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s<i;s++)e=this.points[s],t.lineTo(e.x-r,e.y-n);return!0},_render:function(t){this.commonRender(t)&&(this._renderFill(t),this._renderStroke(t))},_renderDashedStroke:function(t){var i,r;t.beginPath();for(var n=0,s=this.points.length;n<s;n++)i=this.points[n],r=this.points[n+1]||i,e.util.drawDashedLine(t,i.x,i.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElement=function(t,i,r){if(!t)return i(null);r||(r={});var n=e.parsePointsAttribute(t.getAttribute("points")),s=e.parseAttributes(t,e.Polyline.ATTRIBUTE_NAMES);i(new e.Polyline(n,e.util.object.extend(s,r)))},e.Polyline.fromObject=function(t,i){return e.Object._fromObject("Polyline",t,i,"points")}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;return e.Polygon?void e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Polyline,{type:"polygon",_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderFill(t),this._renderStroke(t))},_renderDashedStroke:function(t){this.callSuper("_renderDashedStroke",t),t.closePath()}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=function(t,r,n){if(!t)return r(null);n||(n={});var s=e.parsePointsAttribute(t.getAttribute("points")),o=e.parseAttributes(t,e.Polygon.ATTRIBUTE_NAMES);r(new e.Polygon(s,i(o,n)))},void(e.Polygon.fromObject=function(t,i){return e.Object._fromObject("Polygon",t,i,"points")}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,r=e.util.array.max,n=e.util.object.extend,s=Object.prototype.toString,o=e.util.drawArc,a={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},h={m:"l",M:"L"};if(e.Path)return void e.warn("fabric.Path is already defined");var c=e.Object.prototype.stateProperties.concat();c.push("path");var l=e.Object.prototype.cacheProperties.concat();l.push("path","fillRule"),e.Path=e.util.createClass(e.Object,{type:"path",path:null,minX:0,minY:0,cacheProperties:l,stateProperties:c,initialize:function(t,e){e=e||{},this.callSuper("initialize",e),t||(t=[]);var i="[object Array]"===s.call(t);this.path=i?t:t.match&&t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path&&(i||(this.path=this._parsePath()),this._setPositionDimensions(e))},_setPositionDimensions:function(t){var e=this._parseDimensions();this.minX=e.left,this.minY=e.top,this.width=e.width,this.height=e.height,"undefined"==typeof t.left&&(this.left=e.left+("center"===this.originX?this.width/2:"right"===this.originX?this.width:0)),"undefined"==typeof t.top&&(this.top=e.top+("center"===this.originY?this.height/2:"bottom"===this.originY?this.height:0)),this.pathOffset=this.pathOffset||{x:this.minX+this.width/2,y:this.minY+this.height/2}},_renderPathCommands:function(t){var e,i,r,n=null,s=0,a=0,h=0,c=0,l=0,u=0,f=-this.pathOffset.x,d=-this.pathOffset.y;t.beginPath();for(var g=0,p=this.path.length;g<p;++g){switch(e=this.path[g],e[0]){case"l":h+=e[1],c+=e[2],t.lineTo(h+f,c+d);break;case"L":h=e[1],c=e[2],t.lineTo(h+f,c+d);break;case"h":h+=e[1],t.lineTo(h+f,c+d);break;case"H":h=e[1],t.lineTo(h+f,c+d);break;case"v":c+=e[1],t.lineTo(h+f,c+d);break;case"V":c=e[1],t.lineTo(h+f,c+d);break;case"m":h+=e[1],c+=e[2],s=h,a=c,t.moveTo(h+f,c+d);break;case"M":h=e[1],c=e[2],s=h,a=c,t.moveTo(h+f,c+d);break;case"c":i=h+e[5],r=c+e[6],l=h+e[3],u=c+e[4],t.bezierCurveTo(h+e[1]+f,c+e[2]+d,l+f,u+d,i+f,r+d),h=i,c=r;break;case"C":h=e[5],c=e[6],l=e[3],u=e[4],t.bezierCurveTo(e[1]+f,e[2]+d,l+f,u+d,h+f,c+d);break;case"s":i=h+e[3],r=c+e[4],null===n[0].match(/[CcSs]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.bezierCurveTo(l+f,u+d,h+e[1]+f,c+e[2]+d,i+f,r+d),l=h+e[1],u=c+e[2],h=i,c=r;break;case"S":i=e[3],r=e[4],null===n[0].match(/[CcSs]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.bezierCurveTo(l+f,u+d,e[1]+f,e[2]+d,i+f,r+d),h=i,c=r,l=e[1],u=e[2];break;case"q":i=h+e[3],r=c+e[4],l=h+e[1],u=c+e[2],t.quadraticCurveTo(l+f,u+d,i+f,r+d),h=i,c=r;break;case"Q":i=e[3],r=e[4],t.quadraticCurveTo(e[1]+f,e[2]+d,i+f,r+d),h=i,c=r,l=e[1],u=e[2];break;case"t":i=h+e[1],r=c+e[2],null===n[0].match(/[QqTt]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.quadraticCurveTo(l+f,u+d,i+f,r+d),h=i,c=r;break;case"T":i=e[1],r=e[2],null===n[0].match(/[QqTt]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.quadraticCurveTo(l+f,u+d,i+f,r+d),h=i,c=r;break;case"a":o(t,h+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+h+f,e[7]+c+d]),h+=e[6],c+=e[7];break;case"A":o(t,h+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+f,e[7]+d]),h=e[6],c=e[7];break;case"z":case"Z":h=s,c=a,t.closePath()}n=e}},_render:function(t){this._renderPathCommands(t),this._renderFill(t),this._renderStroke(t)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){var e=n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left});return e},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n<s;n++)e.push(this.path[n].join(" "));var o=e.join(" ");return r=" translate("+-this.pathOffset.x+", "+-this.pathOffset.y+") ",i.push("<path ",this.getSvgId(),'d="',o,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),r,this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;l<u;l++){for(t=this.path[l],r=t.slice(1).trim(),o.length=0;i=c.exec(r);)o.push(i[0]);n=[t.charAt(0)];for(var f=0,d=o.length;f<d;f++)e=parseFloat(o[f]),isNaN(e)||n.push(e);var g=n[0],p=a[g.toLowerCase()],v=h[g]||g;if(n.length-1>p)for(var m=1,b=n.length;m<b;m+=p)s.push([g].concat(n.slice(m,m+p))),g=v;else s.push(n)}return s},_parseDimensions:function(){for(var t,n,s,o,a=[],h=[],c=null,l=0,u=0,f=0,d=0,g=0,p=0,v=0,m=this.path.length;v<m;++v){switch(t=this.path[v],t[0]){case"l":f+=t[1],d+=t[2],o=[];break;case"L":f=t[1],d=t[2],o=[];break;case"h":f+=t[1],o=[];break;case"H":f=t[1],o=[];break;case"v":d+=t[1],o=[];break;case"V":d=t[1],o=[];break;case"m":f+=t[1],d+=t[2],l=f,u=d,o=[];break;case"M":f=t[1],d=t[2],l=f,u=d,o=[];break;case"c":n=f+t[5],s=d+t[6],g=f+t[3],p=d+t[4],o=e.util.getBoundsOfCurve(f,d,f+t[1],d+t[2],g,p,n,s),f=n,d=s;break;case"C":g=t[3],p=t[4],o=e.util.getBoundsOfCurve(f,d,t[1],t[2],g,p,t[5],t[6]),f=t[5],d=t[6];break;case"s":n=f+t[3],s=d+t[4],null===c[0].match(/[CcSs]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,f+t[1],d+t[2],n,s),g=f+t[1],p=d+t[2],f=n,d=s;break;case"S":n=t[3],s=t[4],null===c[0].match(/[CcSs]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,t[1],t[2],n,s),f=n,d=s,g=t[1],p=t[2];break;case"q":n=f+t[3],s=d+t[4],g=f+t[1],p=d+t[2],o=e.util.getBoundsOfCurve(f,d,g,p,g,p,n,s),f=n,d=s;break;case"Q":g=t[1],p=t[2],o=e.util.getBoundsOfCurve(f,d,g,p,g,p,t[3],t[4]),f=t[3],d=t[4];break;case"t":n=f+t[1],s=d+t[2],null===c[0].match(/[QqTt]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,g,p,n,s),f=n,d=s;break;case"T":n=t[1],s=t[2],null===c[0].match(/[QqTt]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,g,p,n,s),f=n,d=s;break;case"a":o=e.util.getBoundsOfArc(f,d,t[1],t[2],t[3],t[4],t[5],t[6]+f,t[7]+d),f+=t[6],d+=t[7];break;case"A":o=e.util.getBoundsOfArc(f,d,t[1],t[2],t[3],t[4],t[5],t[6],t[7]),f=t[6],d=t[7];break;case"z":case"Z":f=l,d=u}c=t,o.forEach(function(t){a.push(t.x),h.push(t.y)}),a.push(f),h.push(d)}var b=i(a)||0,y=i(h)||0,_=r(a)||0,x=r(h)||0,C=_-b,S=x-y,w={left:b,top:y,width:C,height:S};return w}}),e.Path.fromObject=function(t,i){if("string"==typeof t.sourcePath){var r=t.sourcePath;e.loadSVGFromURL(r,function(e){var r=e[0];r.setOptions(t),i&&i(r)})}else e.Object._fromObject("Path",t,i,"path")},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),e.Path.fromElement=function(t,i,r){var s=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);s.originX="left",s.originY="top",i(new e.Path(s.d,n(s,r)))}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max;e.Group||(e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;if(e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),!i){var n=e&&e.centerPoint;n||this._calcBounds(),this._updateObjectsCoords(n),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsCoords:function(t){for(var t=t||this.getCenterPoint(),e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,r=t.top,n=!0,s=!0;t.set({left:i-e.x,top:r-e.y}),t.group=this,t.setCoords(n,s)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r?r:this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t,t)for(var e=0,i=this._objects.length;e<i;e++)if(this._objects[e].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(t){for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].render(t)},isCacheDirty:function(){if(this.callSuper("isCacheDirty"))return!0;if(!this.statefullCache)return!1;for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].isCacheDirty(!0)){if(this._cacheCanvas){var i=this.cacheWidth/this.zoomX,r=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-i/2,-r/2,i,r)}return!0}return!1},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(t){var i=t.calcTransformMatrix(),r=e.util.qrDecompose(i),n=new e.Point(r.translateX,r.translateY);return t.flipX=!1,t.flipY=!1,t.set("scaleX",r.scaleX),t.set("scaleY",r.scaleY),t.skewX=r.skewX,t.skewY=r.skewY,t.angle=r.angle,t.setPositionByOrigin(n,"center","center"),t},_restoreObjectState:function(t){return this.realizeTransform(t),t.setCoords(),delete t.group,this},destroy:function(){return this._restoreObjectsState()},toActiveSelection:function(){if(this.canvas){var t=this._objects,i=this.canvas;this._objects=[];var r=this.toObject();delete r.objects;var n=new e.ActiveSelection([]);return n.set(r),n.type="activeSelection",i.remove(this),t.forEach(function(t){t.group=n,t.dirty=!0,i.add(t)}),n.canvas=i,n._objects=t,i._activeObject=n,n.setCoords(),n}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){var t=!0,e=!0;return this.forEachObject(function(i){i.setCoords(t,e)}),this},_calcBounds:function(t){for(var e,i,r,n=[],s=[],o=["tr","br","bl","tl"],a=0,h=this._objects.length,c=o.length,l=!0;a<h;++a)for(e=this._objects[a],e.setCoords(l),r=0;r<c;r++)i=o[r],n.push(e.oCoords[i].x),s.push(e.oCoords[i].y);this.set(this._getBounds(n,s,t))},_getBounds:function(t,i,s){var o=new e.Point(r(t),r(i)),a=new e.Point(n(t),n(i)),h={width:a.x-o.x||0,height:a.y-o.y||0};return s||(h.left=o.x||0,h.top=o.y||0,"center"===this.originX&&(h.left+=h.width/2),"right"===this.originX&&(h.left+=h.width),"center"===this.originY&&(h.top+=h.height/2),"bottom"===this.originY&&(h.top+=h.height)),h},toSVG:function(t){var e=this._createBaseSVGMarkup();e.push("<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" style="',this.getSvgFilter(),'">\n');for(var i=0,r=this._objects.length;i<r;i++)e.push("\t",this._objects[i].toSVG(t));return e.push("</g>\n"),t?t(e.join("")):e.join("")}}),e.Group.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){var n=e.util.object.clone(t,!0);delete n.objects,i&&i(new e.Group(r,n,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.ActiveSelection||(e.ActiveSelection=e.util.createClass(e.Group,{type:"activeSelection",initialize:function(t,i){i=i||{},this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;i.originX&&(this.originX=i.originX),i.originY&&(this.originY=i.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,i),this.setCoords()},toGroup:function(){var t=this._objects;this._objects=[];var i=this.toObject(),r=new e.Group([]);if(delete i.objects,r.set(i),r.type="group",t.forEach(function(t){t.group=r,t.canvas.remove(t)}),r._objects=t,!this.canvas)return r;var n=this.canvas;return n.add(r),n._activeObject=r,r.setCoords(),r},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#<fabric.ActiveSelection: ("+this.complexity()+")>"},_set:function(t,i){var r=this._objects.length;if("canvas"===t)for(;r--;)this._objects[r].set(t,i);if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(t,i);e.Object.prototype._set.call(this,t,i)},shouldCache:function(){return!1},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),i=i||{},"undefined"==typeof i.hasControls&&(i.hasControls=!1),"undefined"==typeof i.hasRotatingPoint&&(i.hasRotatingPoint=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;r<n;r++)this._objects[r]._renderControls(t,i);t.restore()}}),e.ActiveSelection.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){delete t.objects,i&&i(new e.ActiveSelection(r,t,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=fabric.util.object.extend;if(t.fabric||(t.fabric={}),t.fabric.Image)return void fabric.warn("fabric.Image is already defined.");var i=fabric.Object.prototype.stateProperties.concat();i.push("cropX","cropY"),fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",strokeWidth:0,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:i,objectCaching:!1,cacheKey:"",cropX:0,cropY:0,initialize:function(t,e){e||(e={}),this.filters=[],this.callSuper("initialize",e),this._initElement(t,e),this.cacheKey="texture"+fabric.Object.__uid++},getElement:function(){return this._element},setElement:function(t,e){return this._element=t,this._originalElement=t,this._initConfig(e),this.resizeFilter&&this.applyResizeFilters(),0!==this.filters.length&&this.applyFilters(),this},setCrossOrigin:function(t){return this.crossOrigin=t,this._element.crossOrigin=t,this},getOriginalSize:function(){var t=this.getElement();return{width:t.width,height:t.height}},_stroke:function(t){if(this.stroke&&0!==this.strokeWidth){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,-i),t.lineTo(e,-i),t.lineTo(e,i),t.lineTo(-e,i),t.lineTo(-e,-i),t.closePath()}},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,n=this.height;t.save(),this._setStrokeStyles(t,this),t.beginPath(),fabric.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i,e+r,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i+n,e,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e,i+n,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){var i=[];this.filters.forEach(function(t){t&&i.push(t.toObject())});var r=e(this.callSuper("toObject",["crossOrigin","cropX","cropY"].concat(t)),{src:this.getSrc(),filters:i});return this.resizeFilter&&(r.resizeFilter=this.resizeFilter.toObject()),r.width/=this._filterScalingX,r.height/=this._filterScalingY,r},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;if(e.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',"\t<image ",this.getSvgId(),'xlink:href="',this.getSvgSrc(!0),'" x="',i,'" y="',r,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'"></image>\n'),this.stroke||this.strokeDashArray){var n=this.fill;this.fill=null,e.push("<rect ",'x="',i,'" y="',r,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=n}return e.push("</g>\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX<i?this.scaleX:1,n=this.scaleY<i?this.scaleY:1;if(r*e<1&&(r*=e),n*e<1&&(n*=e),!t||r>=1&&n>=1)return void(this._element=this._filteredEl);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s,o=this._filteredEl||this._originalElement;if(this._element===this._originalElement){var a=fabric.util.createCanvasElement();a.width=o.width,a.height=o.height,this._element=a}var h=this._element.getContext("2d");o.getContext?s=o.getContext("2d").getImageData(0,0,o.width,o.height):(h.drawImage(o,0,0),s=h.getImageData(0,0,o.width,o.height));var c={imageData:s,scaleX:r,scaleY:n};t.applyTo2d(c),this.width=this._element.width=c.imageData.width,this.height=this._element.height=c.imageData.height,h.putImageData(c.imageData,0,0)},applyFilters:function(t){if(t=t||this.filters||[],t=t.filter(function(t){return t}),0===t.length)return this._element=this._originalElement,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=e.width,n.height=e.height,this._element=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this.width===this._element.width&&this.height===this._element.height||(this._filterScalingX=this._element.width/this.width,this._filterScalingY=this._element.height/this.height,this.width=this._element.width,this.height=this._element.height),this},_render:function(t){var e,i=-this.width/2,r=-this.height/2;this.isMoving===!1&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),e=this._element,e&&t.drawImage(e,this.cropX,this.cropY,this.width,this.height,i,r,this.width,this.height),this._stroke(t),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0},parsePreserveAspectRatioAttribute:function(){if(this.preserveAspectRatio){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio),i=this._element.width,r=this._element.height,n=this.width,s=this.height,o={width:n,height:s};!e||"none"===e.alignX&&"none"===e.alignY?(this.scaleX=n/i,this.scaleY=s/r):("meet"===e.meetOrSlice&&(this.width=i,this.height=r,this.scaleX=this.scaleY=t=fabric.util.findScaleToFit(this._element,o),"Mid"===e.alignX&&(this.left+=(n-i*t)/2),"Max"===e.alignX&&(this.left+=n-i*t),"Mid"===e.alignY&&(this.top+=(s-r*t)/2),"Max"===e.alignY&&(this.top+=s-r*t)),"slice"===e.meetOrSlice&&(this.scaleX=this.scaleY=t=fabric.util.findScaleToCover(this._element,o),this.width=n/t,this.height=s/t,"Mid"===e.alignX&&(this.cropX=(i-this.width)/2),"Max"===e.alignX&&(this.cropX=i-this.width),"Mid"===e.alignY&&(this.cropY=(r-this.height)/2),"Max"===e.alignY&&(this.cropY=r-this.height)))}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i,r){return r?void(e&&e(null,r)):void fabric.Image.prototype._initFilters.call(t,t.filters,function(r){t.filters=r||[],fabric.Image.prototype._initFilters.call(t,[t.resizeFilter],function(r){t.resizeFilter=r[0];var n=new fabric.Image(i,t);e(n)})})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,i,r){var n=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(n["xlink:href"],i,e(r?fabric.util.object.clone(r):{},n))}}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.setAngle(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),r=!1;return i&&(fabric.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),r=fabric.maxTextureSize>=t),this.isSupported=r,r},fabric.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.squareVertices=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r="undefined"!=typeof window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var n="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(r&&i&&n&&s){var o,a,h,c=fabric.util.createCanvasElement(),l=new ArrayBuffer(t*e*4),u={imageBuffer:l};c.width=t,c.height=e,o=window.performance.now(),copyGLTo2DDrawImage.call(u,this.gl,c),a=window.performance.now()-o,o=window.performance.now(),copyGLTo2DPutImageData.call(u,this.gl,c),h=window.performance.now()-o,a>h?(this.imageBuffer=l,this.copyGLTo2D=copyGLTo2DPutImageData):this.copyGLTo2D=copyGLTo2DDrawImage}},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={premultipliedAlpha:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,squareVertices:this.squareVertices,programCache:this.programCache,pass:0,filterBackend:this},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),this.copyGLTo2D(a,n),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),h=o.getError();if(h!==o.NO_ERROR){var c=this.glErrorToString(o,h),l=new Error("WebGL Error "+c);throw l.glErrorCode=h,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:copyGLTo2DDrawImage,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i,i}}}(),function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o=s.getImageData(0,0,i,r),a=s.getImageData(0,0,i,r),h={sourceWidth:i,sourceHeight:r,imageData:o,originalEl:e,originalImageData:a,canvasEl:n,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(h)}),h.imageData.width===i&&h.imageData.height===r||(n.width=h.imageData.width,n.height=h.imageData.height),s.putImageData(h.imageData,0,0),h}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aTexCoord;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){if(this.vertexSource&&this.fragmentSource){var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i||this.vertexSource),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error('Vertex shader compile error for "${this.type}": '+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e||this.fragmentSource),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error('Fragment shader compile error for "${this.type}": '+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition"),aTexCoord:t.getAttribLocation(e,"aTexCoord")}},getUniformLocations:function(){},sendAttributeData:function(t,e,i){
-["aPosition","aTexCoord"].forEach(function(r){var n=e[r],s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)})},_setupFrameBuffer:function(t){var e=t.context;t.passes>1?e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0):(e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(t.passes>1&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.squareVertices),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.sourceWidth,t.sourceHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData,a=o.data,h=a.length,c=this.matrix,l=this.colorsOnly;for(s=0;s<h;s+=4)e=a[s],i=a[s+1],r=a[s+2],l?(a[s]=e*c[0]+i*c[1]+r*c[2]+255*c[4],a[s+1]=e*c[5]+i*c[6]+r*c[7]+255*c[9],a[s+2]=e*c[10]+i*c[11]+r*c[12]+255*c[14]):(n=a[s+3],a[s]=e*c[0]+i*c[1]+r*c[2]+n*c[3]+255*c[4],a[s+1]=e*c[5]+i*c[6]+r*c[7]+n*c[8]+255*c[9],a[s+2]=e*c[10]+i*c[11]+r*c[12]+n*c[13]+255*c[14],a[s+3]=e*c[15]+i*c[16]+r*c[17]+n*c[18]+255*c[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var i=this.matrix,r=[i[0],i[1],i[2],i[3],i[5],i[6],i[7],i[8],i[10],i[11],i[12],i[13],i[15],i[16],i[17],i[18]],n=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,n)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Brightness=r(i.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += uBrightness;\ngl_FragColor = color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(t){if(0!==this.brightness){var e,i=t.imageData,r=i.data,n=r.length,s=Math.round(255*this.brightness);for(e=0;e<n;e+=4)r[e]=r[e]+s,r[e+1]=r[e+1]+s,r[e+2]=r[e+2]+s}},getUniformLocations:function(t,e){return{uBrightness:t.getUniformLocation(e,"uBrightness")}},sendUniformData:function(t,e){t.uniform1f(e.uBrightness,this.brightness)}}),e.Image.filters.Brightness.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Convolute=n(r.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),i=this.type+"_"+e+"_"+this.opaque?1:0,r=this.fragmentSource[i];return t.programCache.hasOwnProperty(i)||(t.programCache[i]=this.createProgram(t.context,r)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,s,o,a,h,c,l,u,f,d,g=t.imageData,p=g.data,v=this.matrix,m=Math.round(Math.sqrt(v.length)),b=Math.floor(m/2),y=g.width,_=g.height,x=t.ctx.createImageData(y,_),C=x.data,S=this.opaque?1:0;for(u=0;u<_;u++)for(l=0;l<y;l++){for(s=4*(u*y+l),e=0,i=0,r=0,n=0,d=0;d<m;d++)for(f=0;f<m;f++)a=u+d-b,o=l+f-b,a<0||a>_||o<0||o>y||(h=4*(a*y+o),c=v[d*m+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,S||(n+=p[h+3]*c));C[s]=e,C[s+1]=i,C[s+2]=r,S?C[s+3]=p[s+3]:C[s+3]=n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.mode;for(e=0;e<s;e+=4)"average"===o?i=(n[e]+n[e+1]+n[e+2])/3:"lightness"===o?i=(Math.min(n[e],n[e+1],n[e+2])+Math.max(n[e],n[e+1],n[e+2]))/2:"luminosity"===o&&(i=.21*n[e]+.72*n[e+1]+.07*n[e+2]),n[e]=i,n[e+1]=i,n[e+2]=i},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},getUniformLocations:function(t,e){return{uMode:t.getUniformLocation(e,"uMode")}},sendUniformData:function(t,e){var i=1;t.uniform1i(e.uMode,i)}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Invert=r(i.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nif (uInvert == 1) {\ngl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor = color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(t){if(this.invert){var e,i=t.imageData,r=i.data,n=r.length;for(e=0;e<n;e+=4)r[e]=255-r[e],r[e+1]=255-r[e+1],r[e+2]=255-r[e+2]}},getUniformLocations:function(t,e){return{uInvert:t.getUniformLocation(e,"uInvert")}},sendUniformData:function(t,e){t.uniform1i(e.uInvert,this.invert)}}),e.Image.filters.Invert.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Noise=n(r.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.noise;for(e=0,s=n.length;e<s;e+=4)i=(.5-Math.random())*o,n[e]+=i,n[e+1]+=i,n[e+2]+=i}},getUniformLocations:function(t,e){return{uNoise:t.getUniformLocation(e,"uNoise"),uSeed:t.getUniformLocation(e,"uSeed")}},sendUniformData:function(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Pixelate=r(i.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW = uBlocksize * uStepW;\nfloat blockH = uBlocksize * uStepW;\nint posX = int(vTexCoord.x / blockW);\nint posY = int(vTexCoord.y / blockH);\nfloat fposX = float(posX);\nfloat fposY = float(posY);\nvec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\nvec4 color = texture2D(uTexture, squareCoords);\ngl_FragColor = color;\n}",applyTo2d:function(t){if(1!==this.blocksize){var e,i,r,n,s,o,a,h,c,l,u,f=t.imageData,d=f.data,g=f.height,p=f.width;for(i=0;i<g;i+=this.blocksize)for(r=0;r<p;r+=this.blocksize)for(e=4*i*p+4*r,n=d[e],s=d[e+1],o=d[e+2],a=d[e+3],l=Math.min(i+this.blocksize,g),u=Math.min(r+this.blocksize,p),h=i;h<l;h++)for(c=r;c<u;c++)e=4*h*p+4*c,d[e]=n,d[e+1]=s,d[e+2]=o,d[e+3]=a}},getUniformLocations:function(t,e){return{uBlocksize:t.getUniformLocation(e,"uBlocksize"),uStepW:t.getUniformLocation(e,"uStepW"),uStepH:t.getUniformLocation(e,"uStepH")}},sendUniformData:function(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}),e.Image.filters.Pixelate.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.RemoveColor=n(r.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a = 0.0;\n}\n}",distance:.02,useAlpha:!1,applyTo2d:function(t){var i,r,n,s,o=t.imageData,a=o.data,h=255*this.distance,c=new e.Color(this.color).getSource(),l=[c[0]-h,c[1]-h,c[2]-h],u=[c[0]+h,c[1]+h,c[2]+h];for(i=0;i<a.length;i+=4)r=a[i],n=a[i+1],s=a[i+2],r>l[0]&&n>l[1]&&s>l[2]&&r<u[0]&&n<u[1]&&s<u[2]&&(a[i+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource(),n=parseFloat(this.distance),s=[0+r[0]/255-n,0+r[1]/255-n,0+r[2]/255-n,1],o=[r[0]/255+n,r[1]/255+n,r[2]/255+n,1];t.uniform4fv(i.uLow,s),t.uniform4fv(i.uHigh,o)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,distance:this.distance})}}),e.Image.filters.RemoveColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass,n={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]};for(var s in n)i[s]=r(i.ColorMatrix,{type:s,matrix:n[s],mainParameter:!1,colorsOnly:!0}),e.Image.filters[s].fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendColor=r(i.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb *= uColor.rgb;\ngl_FragColor = color;\n}",screen:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb = 1.0 - (1.0 - color.rgb) * (1.0 - uColor.rgb);\ngl_FragColor = color;\n}",add:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb += uColor.rgb;\n}",diff:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\n}",subtract:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb -= uColor.rgb;\n}",lighten:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\n}",darken:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\n}",exclusion:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n}",overlay:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif (uColor.r < 0.5) {\ngl_FragColor.r *= 2.0 * uColor.r;\n} else {\ngl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g < 0.5) {\ngl_FragColor.g *= 2.0 * uColor.g;\n} else {\ngl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b < 0.5) {\ngl_FragColor.b *= 2.0 * uColor.b;\n} else {\ngl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n}",tint:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb *= (1.0 - uColor.a);\ngl_FragColor.rgb += uColor.rgb;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyTo2d:function(t){var i,r,n,s,o,a,h,c=t.imageData,l=c.data,u=l.length,f=1-this.alpha;h=new e.Color(this.color).getSource(),i=h[0]*this.alpha,r=h[1]*this.alpha,n=h[2]*this.alpha;for(var d=0;d<u;d+=4)switch(s=l[d],o=l[d+1],a=l[d+2],this.mode){case"multiply":l[d]=s*i/255,l[d+1]=o*r/255,l[d+2]=a*n/255;break;case"screen":l[d]=255-(255-s)*(255-i)/255,l[d+1]=255-(255-o)*(255-r)/255,l[d+2]=255-(255-a)*(255-n)/255;break;case"add":l[d]=s+i,l[d+1]=o+r,l[d+2]=a+n;break;case"diff":case"difference":l[d]=Math.abs(s-i),l[d+1]=Math.abs(o-r),l[d+2]=Math.abs(a-n);break;case"subtract":l[d]=s-i,l[d+1]=o-r,l[d+2]=a-n;break;case"darken":l[d]=Math.min(s,i),l[d+1]=Math.min(o,r),l[d+2]=Math.min(a,n);break;case"lighten":l[d]=Math.max(s,i),l[d+1]=Math.max(o,r),l[d+2]=Math.max(a,n);break;case"overlay":l[d]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,l[d+1]=r<128?2*o*r/255:255-2*(255-o)*(255-r)/255,l[d+2]=n<128?2*a*n/255:255-2*(255-a)*(255-n)/255;break;case"exclusion":l[d]=i+s-2*i*s/255,l[d+1]=r+o-2*r*o/255,l[d+2]=n+a-2*n*a/255;break;case"tint":l[d]=i+s*f,l[d+1]=r+o*f,l[d+2]=n+a*f}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource();r[0]=this.alpha*r[0]/255,r[1]=this.alpha*r[1]/255,r[2]=this.alpha*r[2]/255,r[3]=this.alpha,t.uniform4fv(i.uColor,r)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendImage=r(i.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord = aTexCoord;\nvTexCoord2 = (uTransformMatrix * vec3(aTexCoord, 1.0)).xy;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.rgba *= color2.rgba;\ngl_FragColor = color;\n}",mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.a = color2.a;\ngl_FragColor = color;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),this.callSuper("applyToWebGL",t),this.unbindAdditionalTexture(e,e.TEXTURE1)},createTexture:function(t,e){return t.getCachedTexture(e.cacheKey,e._element)},calculateMatrix:function(){var t=this.image,e=t._element.width,i=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]},applyTo2d:function(t){var e,i,r,n,s,o,a,h,c,l,u,f=t.imageData,d=t.filterBackend.resources,g=f.data,p=g.length,v=t.imageData.width,m=t.imageData.height,b=this.image;d.blendImage||(d.blendImage=document.createElement("canvas")),c=d.blendImage,c.width===v&&c.height===m||(c.width=v,c.height=m),l=c.getContext("2d"),l.setTransform(b.scaleX,0,0,b.scaleY,b.left,b.top),l.drawImage(b._element,0,0,v,m),u=l.getImageData(0,0,v,m).data;for(var y=0;y<p;y+=4)switch(s=g[y],o=g[y+1],a=g[y+2],h=g[y+3],e=u[y],i=u[y+1],r=u[y+2],n=u[y+3],this.mode){case"multiply":g[y]=s*e/255,g[y+1]=o*i/255,g[y+2]=a*r/255,g[y+3]=h*n/255;break;case"mask":g[y+3]=n}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendImage.fromObject=function(t,i){e.Image.fromObject(t.image,function(r){var n=e.util.object.clone(t);n.image=r,i(new e.Image.filters.BlendImage(n))})}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.pow,r=Math.floor,n=Math.sqrt,s=Math.abs,o=Math.round,a=Math.sin,h=Math.ceil,c=e.Image.filters,l=e.util.createClass;c.Resize=l(c.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:0,scaleY:0,lanczosLobes:3,applyTo2d:function(t){var e=t.imageData,i=t.scaleX||this.scaleX,r=t.scaleY||this.scaleY;if(1!==i||1!==r){this.rcpScaleX=1/i,this.rcpScaleY=1/r;var n,s=e.width,a=e.height,h=o(s*i),c=o(a*r);"sliceHack"===this.resizeType?n=this.sliceByTwo(t,s,a,h,c):"hermite"===this.resizeType?n=this.hermiteFastResize(t,s,a,h,c):"bilinear"===this.resizeType?n=this.bilinearFiltering(t,s,a,h,c):"lanczos"===this.resizeType&&(n=this.lanczosResize(t,s,a,h,c)),t.imageData=n}},sliceByTwo:function(t,i,n,s,o){var a,h,c=t.imageData,l=.5,u=!1,f=!1,d=i*l,g=n*l,p=e.filterBackend.resources,v=0,m=0,b=i,y=0;for(p.sliceByTwo||(p.sliceByTwo=document.createElement("canvas")),a=p.sliceByTwo,(a.width<1.5*i||a.height<n)&&(a.width=1.5*i,a.height=n),h=a.getContext("2d"),h.clearRect(0,0,1.5*i,n),h.putImageData(c,0,0),s=r(s),o=r(o);!u||!f;)i=d,n=g,s<r(d*l)?d=r(d*l):(d=s,u=!0),o<r(g*l)?g=r(g*l):(g=o,f=!0),h.drawImage(a,v,m,i,n,b,y,d,g),v=b,m=y,y+=g;return h.getImageData(v,m,s,o)},lanczosResize:function(t,e,o,c,l){function u(t){return function(e){if(e>t)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return a(e)*a(i)/e/i}}function f(t){var a,h,u,O,k,D,E,j,A,P,M;for(w.x=(t+.5)*m,T.x=r(w.x),a=0;a<l;a++){for(w.y=(a+.5)*b,T.y=r(w.y),k=0,D=0,E=0,j=0,A=0,h=T.x-x;h<=T.x+x;h++)if(!(h<0||h>=e)){P=r(1e3*s(h-w.x)),S[P]||(S[P]={});for(var F=T.y-C;F<=T.y+C;F++)F<0||F>=o||(M=r(1e3*s(F-w.y)),S[P][M]||(S[P][M]=v(n(i(P*y,2)+i(M*_,2))/1e3)),u=S[P][M],u>0&&(O=4*(F*e+h),k+=u,D+=u*d[O],E+=u*d[O+1],j+=u*d[O+2],A+=u*d[O+3]))}O=4*(a*c+t),p[O]=D/k,p[O+1]=E/k,p[O+2]=j/k,p[O+3]=A/k}return++t<c?f(t):g}var d=t.imageData.data,g=t.ctx.creteImageData(c,l),p=g.data,v=u(this.lanczosLobes),m=this.rcpScaleX,b=this.rcpScaleY,y=2/this.rcpScaleX,_=2/this.rcpScaleY,x=h(m*this.lanczosLobes/2),C=h(b*this.lanczosLobes/2),S={},w={},T={};return f(0)},bilinearFiltering:function(t,e,i,n,s){var o,a,h,c,l,u,f,d,g,p,v,m,b,y=0,_=this.rcpScaleX,x=this.rcpScaleY,C=4*(e-1),S=t.imageData,w=S.data,T=t.ctx.createImageData(n,s),O=T.data;for(f=0;f<s;f++)for(d=0;d<n;d++)for(l=r(_*d),u=r(x*f),g=_*d-l,p=x*f-u,b=4*(u*e+l),v=0;v<4;v++)o=w[b+v],a=w[b+4+v],h=w[b+C+v],c=w[b+C+4+v],m=o*(1-g)*(1-p)+a*g*(1-p)+h*p*(1-g)+c*g*p,O[y++]=m;return T},hermiteFastResize:function(t,e,i,o,a){for(var c=this.rcpScaleX,l=this.rcpScaleY,u=h(c/2),f=h(l/2),d=t.imageData,g=d.data,p=t.ctx.createImageData(o,a),v=p.data,m=0;m<a;m++)for(var b=0;b<o;b++){for(var y=4*(b+m*o),_=0,x=0,C=0,S=0,w=0,T=0,O=0,k=(m+.5)*l,D=r(m*l);D<(m+1)*l;D++)for(var E=s(k-(D+.5))/f,j=(b+.5)*c,A=E*E,P=r(b*c);P<(b+1)*c;P++){var M=s(j-(P+.5))/u,F=n(A+M*M);F>1&&F<-1||(_=2*F*F*F-3*F*F+1,_>0&&(M=4*(P+D*e),O+=_*g[M+3],C+=_,g[M+3]<255&&(_=_*g[M+3]/250),S+=_*g[M],w+=_*g[M+1],T+=_*g[M+2],x+=_))}v[y]=S/x,v[y+1]=w/x,v[y+2]=T/x,v[y+3]=O/C}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,r=t.imageData,n=r.data,i=n.length,s=Math.floor(255*this.contrast),o=259*(s+255)/(255*(259-s));for(e=0;e<i;e+=4)n[e]=o*(n[e]-128)+128,n[e+1]=o*(n[e+1]-128)+128,n[e+2]=o*(n[e+2]-128)+128}},getUniformLocations:function(t,e){return{uContrast:t.getUniformLocation(e,"uContrast")}},sendUniformData:function(t,e){t.uniform1f(e.uContrast,this.contrast)}}),e.Image.filters.Contrast.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Saturation=r(i.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat rgMax = max(color.r, color.g);\nfloat rgbMax = max(rgMax, color.b);\ncolor.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor = color;\n}",saturation:0,mainParameter:"saturation",applyTo2d:function(t){if(0!==this.saturation){var e,i,r=t.imageData,n=r.data,s=n.length,o=-this.saturation;for(e=0;e<s;e+=4)i=Math.max(n[e],n[e+1],n[e+2]),n[e]+=i!==n[e]?(i-n[e])*o:0,n[e+1]+=i!==n[e+1]?(i-n[e+1])*o:0,n[e+2]+=i!==n[e+2]?(i-n[e+2])*o:0}},getUniformLocations:function(t,e){return{uSaturation:t.getUniformLocation(e,"uSaturation")}},sendUniformData:function(t,e){t.uniform1f(e.uSaturation,-this.saturation)}}),e.Image.filters.Saturation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Blur=r(i.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples = 15.0;\nvec3 v3offset = vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color = vec4(0.0);\nfloat total = 0.0;\nfloat offset = random(v3offset);\nfor (float t = -nSamples; t <= nSamples; t++) {\nfloat percent = (t + offset - 0.5) / nSamples;\nfloat weight = 1.0 - abs(percent);\ncolor += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal += weight;\n}\ngl_FragColor = color / total;\n}",blur:0,mainParameter:"blur",applyTo:function(t){t.webgl?(this.aspectRatio=t.sourceWidth/t.sourceHeight,t.passes++,this._setupFrameBuffer(t),this.horizontal=!0,this.applyToWebGL(t),this._swapTextures(t),
-this._setupFrameBuffer(t),this.horizontal=!1,this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},applyTo2d:function(t){t.imageData=this.simpleBlur(t)},simpleBlur:function(t){var e,i,r=t.filterBackend.resources,n=t.imageData.width,s=t.imageData.height;r.blurLayer1||(r.blurLayer1=document.createElement("canvas"),r.blurLayer2=document.createElement("canvas")),e=r.blurLayer1,i=r.blurLayer2,e.width===n&&e.height===s||(i.width=e.width=n,i.height=e.height=s);var o,a,h,c,l=e.getContext("2d"),u=i.getContext("2d"),f=15,d=.06*this.blur*.5;for(l.putImageData(t.imageData,0,0),u.clearRect(0,0,n,s),c=-f;c<=f;c++)o=(Math.random()-.5)/4,a=c/f,h=d*a*n+o,u.globalAlpha=1-Math.abs(a),u.drawImage(e,h,o),l.drawImage(i,0,0),u.globalAlpha=1,u.clearRect(0,0,i.width,i.height);for(c=-f;c<=f;c++)o=(Math.random()-.5)/4,a=c/f,h=d*a*s+o,u.globalAlpha=1-Math.abs(a),u.drawImage(e,o,h),l.drawImage(i,0,0),u.globalAlpha=1,u.clearRect(0,0,i.width,i.height);t.ctx.drawImage(e,0,0);var g=t.ctx.getImageData(0,0,e.width,e.height);return l.globalAlpha=1,l.clearRect(0,0,e.width,e.height),g},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var i=this.chooseRightDelta();t.uniform2fv(e.delta,i)},chooseRightDelta:function(){var t,e=1,i=[0,0];return this.horizontal?this.aspectRatio>1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=this.gamma,s=r.length,o=1/n[0],a=1/n[1],h=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,s=256;e<s;e++)this.rVals[e]=255*Math.pow(e/255,o),this.gVals[e]=255*Math.pow(e/255,a),this.bVals[e]=255*Math.pow(e/255,h);for(e=0,s=r.length;e<s;e+=4)r[e]=this.rVals[r[e]],r[e+1]=this.gVals[r[e+1]],r[e+2]=this.bVals[r[e+2]]},getUniformLocations:function(t,e){return{uGamma:t.getUniformLocation(e,"uGamma")}},sendUniformData:function(t,e){t.uniform3fv(e.uGamma,this.gamma)}}),e.Image.filters.Gamma.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Composed=r(i.BaseFilter,{type:"Composed",subFilters:[],initialize:function(t){this.callSuper("initialize",t),this.subFilters=this.subFilters.slice(0)},applyTo:function(t){t.passes+=this.subFilters.length-1,this.subFilters.forEach(function(e){e.applyTo(t)})},toObject:function(){return e.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map(function(t){return t.toObject()})})}}),e.Image.filters.Composed.fromObject=function(t,i){var r=t.subFilters||[],n=r.map(function(t){return new e.Image.filters[t.type](t)}),s=new e.Image.filters.Composed({subFilters:n});return i&&i(s),s}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone,r=2,n=200;if(e.Text)return void e.warn("fabric.Text is already defined");var s=e.Object.prototype.stateProperties.concat();s.push("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles");var o=e.Object.prototype.cacheProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles"),e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles"],_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:"left",fontStyle:"normal",lineHeight:1.16,textBackgroundColor:"",stateProperties:s,cacheProperties:o,stroke:null,shadow:null,_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,_styleProperties:["stroke","strokeWidth","fill","fontFamily","fontSize","fontWeight","fontStyle","underline","overline","linethrough"],__charBounds:[],initialize:function(t,e){this.styles=e?e.styles||{}:{},this.text=t,this.__skipDimension=!0,this.callSuper("initialize",e),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:"_dimensionAffectingProps"})},getMeasuringContext:function(){return e._measuringContext||(e._measuringContext=this.canvas&&this.canvas.contextCache||e.util.createCanvasElement().getContext("2d")),e._measuringContext},isEmptyStyles:function(t){if(!this.styles)return!0;if("undefined"!=typeof t&&!this.styles[t])return!0;var e="undefined"==typeof t?this.styles:{line:this.styles[t]};for(var i in e)for(var r in e[i])for(var n in e[i][r])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if("undefined"!=typeof e&&!this.styles[e])return!1;var i="undefined"==typeof e?this.styles:{line:this.styles[e]};for(var r in i)for(var n in i[r])if("undefined"!=typeof i[r][n][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,r=this.styles,n=0,s=!1,o=!0,a=0;for(var h in r){e=0;for(var c in r[h])n++,s?r[h][c][t]!==i&&(o=!1):(i=r[h][c][t],s=!0),r[h][c][t]===this[t]&&delete r[h][c][t],0!==Object.keys(r[h][c]).length?e++:delete r[h][c];0===e&&delete r[h]}for(var l=0;l<this._textLines.length;l++)a+=this._textLines[l].length;o&&n===a&&(this[t]=i,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,i,r,n=this.styles;for(i in n){e=n[i];for(r in e)delete e[r][t],0===Object.keys(e[r]).length&&delete e[r];0===Object.keys(e).length&&delete n[i]}}},_extendStyles:function(t,i){var r=this.get2DCursorLocation(t);this._getLineStyle(r.lineIndex)||this._setLineStyle(r.lineIndex,{}),this._getStyleDeclaration(r.lineIndex,r.charIndex)||this._setStyleDeclaration(r.lineIndex,r.charIndex,{}),e.util.object.extend(this._getStyleDeclaration(r.lineIndex,r.charIndex),i)},initDimensions:function(){if(!this.__skipDimension){var t=this._splitTextIntoLines(this.text);this.textLines=t.lines,this._unwrappedTextLines=t._unwrappedLines,this._textLines=t.graphemeLines,this._text=t.graphemeText,this._clearCache(),this.width=this.calcTextWidth()||this.cursorWidth||r,"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},enlargeSpaces:function(){for(var t,e,i,r,n,s,o,a=0,h=this._textLines.length;a<h;a++)if(r=0,n=this._textLines[a],e=this.getLineWidth(a),e<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs))){i=o.length,t=(this.width-e)/i;for(var c=0,l=n.length;c<=l;c++)s=this.__charBounds[a][c],this._reSpaceAndTab.test(n[c])?(s.width+=t,s.kernedWidth+=t,s.left+=r,r+=t):s.left+=r}},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;e<i;e++){var r=this.getLineWidth(e);r>t&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;d<g;d++)if(e=this.getHeightOfLine(d),this.textBackgroundColor||this.styleHas("textBackgroundColor",d)){r=this._textLines[d],i=this._getLineLeftOffset(d),f=0,u=0,n=this.getValueOfPropertyAt(d,0,"textBackgroundColor");for(var p=0,v=r.length;p<v;p++)s=this.__charBounds[d][p],o=this.getValueOfPropertyAt(d,p,"textBackgroundColor"),o!==n?(t.fillStyle=n,n&&t.fillRect(c+i+u,l+a,f,e/this.lineHeight),u=s.left,f=s.width,n=o):f+=s.kernedWidth;o&&(t.fillStyle=o,t.fillRect(c+i+u,l+a,f,e/this.lineHeight)),a+=e}else a+=e;t.fillStyle=h,this._removeShadow(t)}},getFontCache:function(t){var i=t.fontFamily.toLowerCase();e.charWidthsCache[i]||(e.charWidthsCache[i]={});var r=e.charWidthsCache[i],n=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return r[n]||(r[n]={}),r[n]},_applyCharStyles:function(t,e,i,r,n){this._setFillStyles(e,n),this._setStrokeStyles(e,n),e.font=this._getFontDeclaration(n)},_getStyleDeclaration:function(t,e){var i=this.styles&&this.styles[t];return i?i[e]:null},getCompleteStyleDeclaration:function(t,e){for(var i,r=this._getStyleDeclaration(t,e)||{},n={},s=0;s<this._styleProperties.length;s++)i=this._styleProperties[s],n[i]="undefined"==typeof r[i]?this[i]:r[i];return n},_setStyleDeclaration:function(t,e,i){this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){delete this.styles[t][e]},_getLineStyle:function(t){return this.styles[t]},_setLineStyle:function(t,e){this.styles[t]=e},_deleteLineStyle:function(t){delete this.styles[t]},_measureChar:function(t,e,i,r){var s,o,a,h,c=this.getFontCache(e),l=this._getFontDeclaration(e),u=this._getFontDeclaration(r),f=i+t,d=l===u,g=e.fontSize/n;if(i&&c[i]&&(a=c[i]),c[t]&&(h=s=c[t]),d&&c[f]&&(o=c[f],h=o-a),!s||!a||!o){var p=this.getMeasuringContext();this._setTextStyles(p,e,!0)}if(s||(h=s=p.measureText(t).width,c[t]=s),!a&&d&&i&&(a=p.measureText(i).width,c[i]=a),d&&!o&&(o=p.measureText(f).width,c[f]=o,h=o-a,h>s)){var v=h-s;c[t]=h,c[f]+=v,s=h}return{width:s*g,kernedWidth:h*g}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=0,h=new Array(o.length);for(this.__charBounds[t]=h,e=0;e<o.length;e++)i=o[e],n=this._getGraphemeBox(i,t,e,r),h[e]=n,s+=n.kernedWidth,r=i;return h[e]={left:n?n.left+n.width:0,width:0,kernedWidth:0,height:this.fontSize},{width:s,numOfSpaces:a}},_getGraphemeBox:function(t,e,i,r,n){var s=this.getCompleteStyleDeclaration(e,i),o=r?this.getCompleteStyleDeclaration(e,i-1):{},a=this._measureChar(t,s,r,o),h=a.kernedWidth,c=a.width;0!==this.charSpacing&&(c+=this._getWidthOfCharSpacing(),h+=this._getWidthOfCharSpacing());var l={width:c,left:0,height:s.fontSize,kernedWidth:h};if(i>0&&!n){var u=this.__charBounds[e][i-1];l.left=u.left+u.width+a.kernedWidth-a.width}return l},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;r<n;r++){var s=this.getHeightOfChar(t,r);s>i&&(i=s)}return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i<r;i++)t=this.getHeightOfLine(i),e+=i===r-1?t/this.lineHeight:t;return e},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(t,e){for(var i=0,r=this._getLeftOffset(),n=this._getTopOffset(),s=0,o=this._textLines.length;s<o;s++){var a=this.getHeightOfLine(s),h=a/this.lineHeight,c=this._getLineLeftOffset(s);this._renderTextLine(e,t,this._textLines[s],r+c,n+i+h,s),i+=a}},_renderTextFill:function(t){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(t,"fillText")},_renderTextStroke:function(t){(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray),t.beginPath(),this._renderTextCommon(t,"strokeText"),t.closePath(),t.restore())},_renderChars:function(t,e,i,r,n,s){var o,a,h,c,l=this.getHeightOfLine(s),u="",f=0;e.save(),n-=l*this._fontSizeFraction/this.lineHeight;for(var d=0,g=i.length-1;d<=g;d++)c=d===g||this.charSpacing,u+=i[d],h=this.__charBounds[s][d],0===f&&(r+=h.kernedWidth-h.width),f+=h.kernedWidth,"justify"!==this.textAlign||c||this._reSpaceAndTab.test(i[d])&&(c=!0),c||(o=o||this.getCompleteStyleDeclaration(s,d),a=this.getCompleteStyleDeclaration(s,d+1),c=this._hasStyleChanged(o,a)),c&&(this._renderChar(t,e,s,d,u,r,n,l),u="",o=a,r+=f,f=0);e.restore()},_renderChar:function(t,e,i,r,n,s,o){var a=this._getStyleDeclaration(i,r),h=this.getCompleteStyleDeclaration(i,r),c="fillText"===t&&h.fill,l="strokeText"===t&&h.stroke&&h.strokeWidth;(l||c)&&(a&&e.save(),this._applyCharStyles(t,e,i,r,h),a&&a.textBackgroundColor&&this._removeShadow(e),c&&e.fillText(n,s,o),l&&e.strokeText(n,s,o),a&&e.restore())},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth||t.fontSize!==e.fontSize||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle},_getLineLeftOffset:function(t){var e=this.getLineWidth(t);return"center"===this.textAlign?(this.width-e)/2:"right"===this.textAlign?this.width-e:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__numberOfSpaces=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var t=this._forceClearCache;return t||(t=this.hasStateChanged("_dimensionAffectingProps")),t&&(this.saveState({propertySet:"_dimensionAffectingProps"}),this.dirty=!0,this._forceClearCache=!1),t},getLineWidth:function(t){if(this.__lineWidths[t])return this.__lineWidths[t];var e,i,r=this._textLines[t];return""===r?e=0:(i=this.measureLine(t),e=i.width),this.__lineWidths[t]=e,this.__numberOfSpaces[t]=i.numberOfSpaces,e},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},getValueOfPropertyAt:function(t,e,i){var r=this._getStyleDeclaration(t,e),n=r&&"undefined"!=typeof r[i];return n?r[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var i,r,n,s,o,a,h,c,l,u,f,d=this._getLeftOffset(),g=this._getTopOffset(),p=0,v=this._textLines.length;p<v;p++)if(i=this.getHeightOfLine(p),this[e]||this.styleHas(e,p)){n=this._textLines[p],l=i/this.lineHeight,r=this._getLineLeftOffset(p),o=0,a=0,s=this.getValueOfPropertyAt(p,0,e),f=this.getValueOfPropertyAt(p,0,"fill");for(var m=0,b=n.length;m<b;m++)h=this.__charBounds[p][m],c=this.getValueOfPropertyAt(p,m,e),u=this.getValueOfPropertyAt(p,m,"fill"),(c!==s||u!==f)&&a>0?(t.fillStyle=f,s&&f&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),o=h.left,a=h.width,s=c,f=u):a+=h.kernedWidth;t.fillStyle=u,c&&u&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),g+=i}else g+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this;return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?n+"px":r.fontSize+"px",e.isLikelyNode?'"'+r.fontFamily+'"':r.fontFamily].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o<i.length;o++)r[o]=e.util.string.graphemeSplit(i[o]),s=s.concat(r[o],n);return s.pop(),{_unwrappedLines:r,lines:i,graphemeText:s,graphemeLines:r}},toObject:function(t){var e=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","underline","overline","linethrough","textAlign","textBackgroundColor","charSpacing"].concat(t),r=this.callSuper("toObject",e);return r.styles=i(this.styles,!0),r},_set:function(t,e){this.callSuper("_set",t,e),this._dimensionAffectingProps.indexOf(t)>-1&&(this.initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r,n){if(!t)return r(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);if(n=e.util.object.extend(n?i(n):{},s),n.top=n.top||0,n.left=n.left||0,s.textDecoration){var o=s.textDecoration;o.indexOf("underline")!==-1&&(n.underline=!0),o.indexOf("overline")!==-1&&(n.overline=!0),o.indexOf("line-through")!==-1&&(n.linethrough=!0),delete n.textDecoration}"dx"in s&&(n.left+=s.dx),"dy"in s&&(n.top+=s.dy),"fontSize"in n||(n.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),n.originX||(n.originX="left");var a="";"textContent"in t?a=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(a=t.firstChild.data),a=a.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var h=new e.Text(a,n),c=h.getScaledHeight()/h.height,l=(h.height+h.strokeWidth)*h.lineHeight-h.height,u=l*c,f=h.getScaledHeight()+u,d=0;"center"===h.originX&&(d=h.getScaledWidth()/2),"right"===h.originX&&(d=h.getScaledWidth()),h.set({left:h.left-d,top:h.top-(f-h.fontSize*(.18+h._fontSizeFraction))/h.lineHeight}),h.originX="left",h.originY="top",r(h)},e.Text.fromObject=function(t,i){return e.Object._fromObject("Text",t,i,"text")},e.util.createAccessors&&e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r<e;r++)i.push(this.getSelectionStyles(r));return i}var n=this.get2DCursorLocation(t),s=this._getStyleDeclaration(n.lineIndex,n.charIndex);return s||{}},setSelectionStyles:function(t){if(this.selectionStart===this.selectionEnd)return this;for(var e=this.selectionStart;e<this.selectionEnd;e++)this._extendStyles(e,t);return this._forceClearCache=!0,this},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t),this.ctx=t},clearContextTop:function(t){if(this.active&&this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop;e.save(),e.transform.apply(e,this.canvas.viewportTransform),this.transform(e),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.active&&this.isEditing){var t,e=this._getCursorBoundaries();this.canvas&&this.canvas.contextTop?(t=this.canvas.contextTop,this.clearContextTop(!0)):(t=this.ctx,t.save()),this.selectionStart===this.selectionEnd?this.renderCursor(e,t):this.renderSelection(e,t),t.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},get2DCursorLocation:function(t,e){"undefined"==typeof t&&(t=this.selectionStart);for(var i=e?this._unwrappedTextLines:this._textLines,r=i.length,n=0;n<r;n++){if(t<=i[n].length)return{lineIndex:n,charIndex:t};t-=i[n].length+1}return{lineIndex:n-1,charIndex:i[n-1].length<t?i[n-1].length:t}},_getCursorBoundaries:function(t){"undefined"==typeof t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),r=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;for(var e,i,r=0,n=0,s=0,o=0,a=this.get2DCursorLocation(t),h=0;h<a.lineIndex;h++)s+=this.getHeightOfLine(h);e=this._getLineLeftOffset(a.lineIndex);var c=this.__charBounds[a.lineIndex][a.charIndex];return c&&(o=c.left),0!==this.charSpacing&&n===this._textLines[r].length&&(o-=this._getWidthOfCharSpacing()),i={top:s,left:e+(o>0?o:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset;h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=this.get2DCursorLocation(i),s=this.get2DCursorLocation(r),o=n.lineIndex,a=s.lineIndex,h=n.charIndex<0?0:n.charIndex,c=s.charIndex<0?0:s.charIndex,l=o;l<=a;l++){var u=this._getLineLeftOffset(l)||0,f=this.getHeightOfLine(l),d=0,g=0,p=0;l===o&&(g=this.__charBounds[o][h].left),l>=o&&l<a?p=this.getLineWidth(l)||5:l===a&&(p=0===c?this.__charBounds[a][c].left:this.__charBounds[a][c-1].left+this.__charBounds[a][c-1].width),d=f,(this.lineHeight<1||l===a&&this.lineHeight>1)&&(f/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+u+g,t.top+t.topOffset+f,p-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+u+g,t.top+t.topOffset,p-g,f)),t.topOffset+=d}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i){if(t(e),e.styles)for(var r in e.styles)for(var n in e.styles[r])t(e.styles[r][n]);fabric.Object._fromObject("IText",e,i,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(t){this.isEditing&&this.exitEditing(),this.selected=!1,fabric.Object.prototype.onDeselect.call(this,t)},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})}.bind(this),t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea()},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i<this.text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i<this.text.length;)e++,i++;return t+e},searchWordBoundary:function(t,e){for(var i=this._reSpace.test(this.text.charAt(t))?t-1:t,r=this.text.charAt(i),n=/[ \n\.,;!\?\-]/;!n.test(r)&&i>0&&i<this.text.length;)i+=e,r=this.text.charAt(i);return n.test(r)&&"\n"!==r&&(i+=1===e?0:1),i},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea()},enterEditing:function(t){if(!this.isEditing&&this.editable)return this.canvas&&this.exitEditingOnOthers(this.canvas),this.isEditing=!0,this.initHiddenTextarea(t),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire("editing:entered"),this._fireSelectionChanged(),this.canvas?(this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll(),this):this},exitEditingOnOthers:function(t){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.selected=!1,t.isEditing&&t.exitEditing()})},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e),i=this.selectionStart,r=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&i!==r||i!==e&&r!==e)&&(e>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=fabric.util.string.graphemeSplit(s).length;return{selectionStart:n,selectionEnd:n+o}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t),n=r.join("").length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:n,selectionEnd:n+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value;var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,
-this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;i<this._textLines[o].length;i++)delete this.styles[o][i];if(this.styles[h])for(i=c;i<this._textLines[h].length;i++)r=this.styles[h][i],r&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-c]=r);for(i=o+1;i<=h;i++)delete this.styles[i];this.shiftLineStyles(h,o-h)}else if(this.styles[o]){r=this.styles[o];var l=c-a;for(i=a;i<c;i++)delete r[i];for(i=c;i<this._textLines[o].length;i++)r[i]&&(r[i-l]=r[i],delete r[i])}},shiftLineStyles:function(e,i){var r=t(this.styles);for(var n in this.styles){var s=parseInt(n,10);s>e&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&this.styles[e][i-1]&&(s=this.styles[e][i-1]);for(var h in this.styles[e]){var c=parseInt(h,10);c>=i&&(a=!0,o[c-i]=this.styles[e][h],delete this.styles[e][h])}for(a?this.styles[e+r]=o:delete this.styles[e+r];r>1;)r--,n[r]?this.styles[e+r]={0:t(n[r])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r];this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){this.styles||(this.styles={});var s=this.styles[e],o=t(s);r||(r=1);for(var a in o){var h=parseInt(a,10);h>=i&&(s[h+r]=o[h],o[h-r]||delete s[h])}if(this._forceClearCache=!0,n)for(;r--;)this.styles[e][i+r]=t(n[r]);else if(s)for(var c=s[i?i-1:1];c&&r--;)this.styles[e][i+r]=t(c)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=0,s=0,o=0;o<t.length;o++)"\n"===t[o]?(s&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,s,i),i=i&&i.slice(s),s=0),n++):(n&&(this.insertNewlineStyleObject(r.lineIndex,r.charIndex,n,i),i=i&&i.slice(n),n=0),s++);s&&this.insertCharStyleObject(r.lineIndex,r.charIndex,s,i),n&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex,n,i)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&i<e?"right"===this._selectionDirection?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=i)},setSelectionInBoundaries:function(){var t=this.text.length;this.selectionStart>t?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e,t.e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("mousedblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=0,l=this._textLines.length;c<l&&o<=r.y;c++)o+=this.getHeightOfLine(c)*this.scaleY,h=c,c>0&&(a+=this._textLines[c-1].length+1);e=this._getLineLeftOffset(h),s=e*this.scaleX,i=this._textLines[h];for(var u=0,f=i.length;u<f&&(n=s,s+=this.__charBounds[h][u].kernedWidth*this.scaleX,s<=r.x);u++)a++;return this._getNewSelectionStartFromOffset(r,n,s,a,f)},_getNewSelectionStartFromOffset:function(t,e,i,r,n){var s=t.x-e,o=i-t.x,a=o>s?0:1,h=r+a;return this.flipX&&(h=n-h),h>this._text.length&&(h=this._text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone||this.inCompositionMode?void(this._copyDone=!1):void(t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll()))},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;""===this.hiddenTextarea.value&&(this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())),this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):o<s&&(i=this._text.slice(this.selectionEnd+a,this.selectionEnd));var h=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);r=n.slice(h.selectionEnd-a,h.selectionEnd),i&&i.length&&(this.selectionStart!==this.selectionEnd?this.removeStyleFromTo(this.selectionStart,this.selectionEnd):this.selectionStart>h.selectionStart?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(fabric.copiedText=this.getSelectedText(),fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],r+=i.left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o),h=this._textLines[n].slice(s);return h.length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),h=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-h.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=s,a=0,h=0,c=n.length;h<c;h++)if(i=this.__charBounds[t][h].width,o+=i,o>e){r=!0;var l=o-i,u=o,f=Math.abs(l-e),d=Math.abs(u-e);a=d<f?h:h-1;break}return r||(a=n.length-1),a},moveCursorDown:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.set("dirty",!0),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.requestRenderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"',n,">\n",e.textBgRects.join(""),'\t\t<text xml:space="preserve" ',this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(i),'" >\n',e.textSpans.join(""),"\t\t</text>\n","\t</g>\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o<a;o++)i=this._getLineLeftOffset(o),(this.textBackgroundColor||this.styleHas("textBackgroundColor",o))&&this._setSVGTextLineBg(n,o,e+i,s),this._setSVGTextLineText(r,o,e+i,s),s+=this.getHeightOfLine(o);return{textSpans:r,textBgRects:n}},_createTextCharSpan:function(i,r,n,s){var o=this.getSvgSpanStyles(r,!1),a=o?'style="'+o+'"':"";return['\t\t\t<tspan x="',t(n,e),'" y="',t(s,e),'" ',a,">",fabric.util.string.escapeXml(i),"</tspan>\n"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l="",u=0,f=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)h=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u&&(i+=o.kernedWidth-o.width),u+=o.kernedWidth,"justify"!==this.textAlign||h||this._reSpaceAndTab.test(f[d])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),h=this._hasStyleChanged(n,s)),h&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(i,r,n,s,o,a){i.push("\t\t<rect ",this._getFillAttributes(r),' x="',t(n,e),'" y="',t(s,e),'" width="',t(o,e),'" height="',t(a,e),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;u<f;u++)n=this.__charBounds[e][u],s=this.getValueOfPropertyAt(e,u,"textBackgroundColor"),s!==l?(l&&this._pushTextBgRect(t,l,i+c,r,h,a),c=n.left,h=n.width,l=s):h+=n.kernedWidth;s&&this._pushTextBgRect(t,s,i+c,r,h,a)},_getFillAttributes:function(t){var e=t&&"string"==typeof t?new fabric.Color(t):"";return e&&e.getSource()&&1!==e.getAlpha()?'opacity="'+e.getAlpha()+'" fill="'+e.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_getSVGLineTopOffset:function(t){for(var e=0,i=0,r=0;r<t;r++)e+=this.getHeightOfLine(r);return i=this.getHeightOfLine(r),{lineTop:e,offset:(this._fontSizeMult-this._fontSizeFraction)*i/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){var e=fabric.Object.prototype.getSvgStyles.call(this,t);return e+" white-space: pre;"}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,initialize:function(t,i){this.callSuper("initialize",t,i),this.ctx=this.objectCaching?this._cacheContext:e.util.createCanvasElement().getContext("2d"),this._dimensionAffectingProps.push("width")},initDimensions:function(){if(!this.__skipDimension){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this._clearCache(),this.dynamicMinWidth=0;var t=this._splitTextIntoLines(this.text);this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,this._styleMap=this._generateStyleMap(t),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s<t.graphemeLines.length;s++)"\n"===t.graphemeText[r]&&s>0?(i=0,r++,e++):this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i<t.length;i++)r=r.concat(this._wrapLine(t[i],i,e));return this.isWrapping=!1,r},_measureWord:function(t,e,i){var r,n=0,s=!0;i=i||0;for(var o=0,a=t.length;o<a;o++){var h=this._getGraphemeBox(t[o],e,o+i,r,s);n+=h.kernedWidth,r=t[o]}return n},_wrapLine:function(t,i,r){for(var n=0,s=[],o=[],a=t.split(this._reSpaceAndTab),h="",c=0,l=" ",u=0,f=0,d=0,g=!0,p=this._getWidthOfCharSpacing(),v=0;v<a.length;v++)h=e.util.string.graphemeSplit(a[v]),u=this._measureWord(h,i,c),c+=h.length,n+=f+u-p,n>=r&&!g&&(s.push(o),o=[],n=u,g=!0),g||o.push(l),o=o.concat(h),f=this._measureWord([l],i,c),c++,g=!1,u>d&&(d=u);return v&&s.push(o),d>this.dynamicMinWidth&&(this.dynamicMinWidth=d-p),s},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s<r.length;s++)n[s]=r[s].join("");return i.lines=n,i.graphemeLines=r,i},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},toObject:function(t){return this.callSuper("toObject",["minWidth"].concat(t))}}),e.Textbox.fromObject=function(t,i){return e.Object._fromObject("Textbox",t,i,"text")}}("undefined"!=typeof exports?exports:this),function(){var t=fabric.Canvas.prototype._setObjectScale;fabric.Canvas.prototype._setObjectScale=function(e,i,r,n,s,o,a){var h=i.target;if(!("x"===s&&h instanceof fabric.Textbox))return t.call(fabric.Canvas.prototype,e,i,r,n,s,o,a);var c=h._getTransformedDimensions().x,l=h.width*(e.x/c);return l>=h.getMinWidth()?(h.set("width",l),!0):void 0},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require(fabric.canvasModule),Image=require(fabric.canvasModule).Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}();
\ No newline at end of file
+function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.getContext("2d");r.translate(0,e.height),r.scale(1,-1);var n=i.height-e.height;r.drawImage(i,0,n,e.width,e.height,0,0,e.width,e.height)}function copyGLTo2DPutImageData(t,e){var i=e.getContext("2d"),r=e.width,n=e.height,s=r*n*4,o=new Uint8Array(this.imageBuffer,0,s),a=new Uint8ClampedArray(this.imageBuffer,0,s);t.readPixels(0,0,r,n,t.RGBA,t.UNSIGNED_BYTE,o);var h=new ImageData(a,r);i.putImageData(h,0,0)}var fabric=fabric||{version:"2.0.0-beta6"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.initFilterBackend=function(){return fabric.enableGLFiltering&&fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r<n;r++)i[r]&&i[r].call(this,e||{});return this.__eventListeners[t]=i.filter(function(t){return t!==!1}),this}}}fabric.Observable={observe:e,stopObserving:i,fire:r,on:e,off:i,trigger:r}}(),fabric.Collection={_objects:[],add:function(){if(this._objects.push.apply(this._objects,arguments),this._onObjectAdded)for(var t=0,e=arguments.length;t<e;t++)this._onObjectAdded(arguments[t]);return this.renderOnAddRemove&&this.requestRenderAll(),this},insertAt:function(t,e,i){var r=this.getObjects();return i?r[e]=t:r.splice(e,0,t),this._onObjectAdded&&this._onObjectAdded(t),this.renderOnAddRemove&&this.requestRenderAll(),this},remove:function(){for(var t,e=this.getObjects(),i=!1,r=0,n=arguments.length;r<n;r++)t=e.indexOf(arguments[r]),t!==-1&&(i=!0,e.splice(t,1),this._onObjectRemoved&&this._onObjectRemoved(arguments[r]));return this.renderOnAddRemove&&i&&this.requestRenderAll(),this},forEachObject:function(t,e){for(var i=this.getObjects(),r=0,n=i.length;r<n;r++)t.call(e,i[r],r,i);return this},getObjects:function(t){return"undefined"==typeof t?this._objects:this._objects.filter(function(e){return e.type===t})},item:function(t){return this.getObjects()[t]},isEmpty:function(){return 0===this.getObjects().length},size:function(){return this.getObjects().length},contains:function(t){return this.getObjects().indexOf(t)>-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);"undefined"!=typeof e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.abs,s=Math.PI/180;fabric.util={removeFromArray:function(t,e){var i=t.indexOf(e);return i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;i<n;++i)s=s[r[i]];return s},loadImage:function(t,e,i,r){if(!t)return void(e&&e.call(i,t));var n=fabric.util.createImage();n.onload=function(){e&&e.call(i,n),n=n.onload=n.onerror=null},n.onerror=function(){fabric.log("Error loading "+n.src),e&&e.call(i,null,!0),n=n.onload=n.onerror=null},0!==t.indexOf("data")&&r&&(n.crossOrigin=r),n.src=t},enlivenObjects:function(t,e,i,r){function n(){++o===a&&e&&e(s)}t=t||[];var s=[],o=0,a=t.length;return a?void t.forEach(function(t,e){if(!t||!t.type)return void n();var o=fabric.util.getKlass(t.type,i);o.fromObject(t,function(i,o){o||(s[e]=i),r&&r(t,i,o),n()})}):void(e&&e(s))},enlivenPatterns:function(t,e){function i(){++n===s&&e&&e(r)}t=t||[];var r=[],n=0,s=t.length;return s?void t.forEach(function(t,e){t&&t.source?new fabric.Pattern(t,function(t){r[e]=t,i()}):(r[e]=t,i())}):void(e&&e(r))},groupSVGElements:function(t,e,i){var r;return 1===t.length?t[0]:(e&&(e.width&&e.height?e.centerPoint={x:e.width/2,y:e.height/2}:(delete e.width,delete e.height)),r=new fabric.Group(t,e),"undefined"!=typeof i&&(r.sourcePath=i),r)},populateWithProperties:function(t,e,i){if(i&&"[object Array]"===Object.prototype.toString.call(i))for(var r=0,n=i.length;r<n;r++)i[r]in t&&(e[i[r]]=t[i[r]])},drawDashedLine:function(t,r,n,s,o,a){var h=s-r,c=o-n,l=e(h*h+c*c),u=i(c,h),f=a.length,d=0,g=!0;for(t.save(),t.translate(r,n),t.moveTo(0,0),t.rotate(u),r=0;l>r;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(){return fabric.document.createElement("canvas")},createImage:function(){return fabric.document.createElement("img")},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.rotate(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n<h&&(s=a.data[n],o=s<=0,o!==!1);n+=4);return a=null,o},parsePreserveAspectRatioAttribute:function(t){var e,i="meet",r="Mid",n="Mid",s=t.split(" ");return s&&s.length&&(i=s.pop(),"meet"!==i&&"slice"!==i?(e=i,i="meet"):s.length&&(e=s.pop())),r="none"!==e?e.slice(1,4):"none",n="none"!==e?e.slice(5,8):"none",{meetOrSlice:i,alignX:r,alignY:n}},clearFabricFontCache:function(t){t?fabric.charWidthsCache[t]&&delete fabric.charWidthsCache[t]:fabric.charWidthsCache={}},limitDimsByArea:function(t,e){var i=Math.sqrt(e*t),r=Math.floor(e/i);return{x:Math.floor(i),y:r}},capValue:function(t,e,i){return Math.max(t,Math.min(e,i))},findScaleToFit:function(t,e){return Math.min(e.width/t.width,e.height/t.height)},findScaleToCover:function(t,e){return Math.max(e.width/t.width,e.height/t.height)}}}("undefined"!=typeof exports?exports:this),function(){function t(t,r,s,o,h,c,l){var u=a.call(arguments);if(n[u])return n[u];var f=Math.PI,d=l*f/180,g=Math.sin(d),p=Math.cos(d),v=0,m=0;s=Math.abs(s),o=Math.abs(o);var b=-p*t*.5-g*r*.5,y=-p*r*.5+g*t*.5,_=s*s,x=o*o,C=y*y,S=b*b,w=_*x-_*C-x*S,T=0;if(w<0){var O=Math.sqrt(1-w/(_*x));s*=O,o*=O}else T=(h===c?-1:1)*Math.sqrt(w/(_*C+x*S));var k=T*s*y/o,D=-T*o*b/s,E=p*k-g*D+.5*t,j=g*k+p*D+.5*r,A=i(1,0,(b-k)/s,(y-D)/o),M=i((b-k)/s,(y-D)/o,(-b-k)/s,(-y-D)/o);0===c&&M>0?M-=2*f:1===c&&M<0&&(M+=2*f);for(var P=Math.ceil(Math.abs(M/f*2)),F=[],L=M/P,I=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),R=A+L,B=0;B<P;B++)F[B]=e(A,R,p,g,s,o,E,j,I,v,m),v=F[B][4],m=F[B][5],A=R,R+=L;return n[u]=F,F}function e(t,e,i,r,n,o,h,c,l,u,f){var d=a.call(arguments);if(s[d])return s[d];var g=Math.cos(t),p=Math.sin(t),v=Math.cos(e),m=Math.sin(e),b=i*n*v-r*o*m+h,y=r*n*v+i*o*m+c,_=u+l*(-i*n*p-r*o*g),x=f+l*(-r*n*p+i*o*g),C=b+l*(i*n*m+r*o*v),S=y+l*(r*n*m-i*o*v);return s[d]=[_,x,C,S,b,y],s[d]}function i(t,e,i,r){var n=Math.atan2(e,t),s=Math.atan2(r,i);return s>=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,y=Math.sqrt,_=Math.min,x=Math.max,C=Math.abs,S=[],w=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*h,d=3*i-3*t;for(var T=0;T<2;++T)if(T>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*c,d=3*r-3*e),C(u)<1e-12){if(C(f)<1e-12)continue;g=-d/f,0<g&&g<1&&S.push(g)}else m=f*f-4*d*u,m<0||(b=y(m),p=(-f+b)/(2*u),0<p&&p<1&&S.push(p),v=(-f-b)/(2*u),0<v&&v<1&&S.push(v));for(var O,k,D,E=S.length,j=E;E--;)g=S[E],D=1-g,O=D*D*D*t+3*D*D*g*i+3*D*g*g*n+g*g*g*h,w[0][E]=O,k=D*D*D*e+3*D*D*g*r+3*D*g*g*s+g*g*g*c,w[1][E]=k;w[0][j]=t,w[1][j]=e,w[0][j+1]=h,w[1][j+1]=c;var A=[{x:_.apply(null,w[0]),y:_.apply(null,w[1])},{x:x.apply(null,w[0]),y:x.apply(null,w[1])}];return o[l]=A,A}var n={},s={},o={},a=Array.prototype.join;fabric.util.drawArc=function(e,i,r,n){for(var s=n[0],o=n[1],a=n[2],h=n[3],c=n[4],l=n[5],u=n[6],f=[[],[],[],[]],d=t(l-i,u-r,s,o,h,c,a),g=0,p=d.length;g<p;g++)f[g][0]=d[g][0]+i,f[g][1]=d[g][1]+r,f[g][2]=d[g][2]+i,f[g][3]=d[g][3]+r,f[g][4]=d[g][4]+i,f[g][5]=d[g][5]+r,e.bezierCurveTo.apply(e,f[g])},fabric.util.getBoundsOfArc=function(e,i,n,s,o,a,h,c,l){for(var u,f=0,d=0,g=[],p=t(c-e,l-i,n,s,a,h,o),v=0,m=p.length;v<m;v++)u=r(f,d,p[v][0],p[v][1],p[v][2],p[v][3],p[v][4],p[v][5]),g.push({x:u[0].x+e,y:u[0].y+i}),g.push({x:u[1].x+e,y:u[1].y+i}),f=p[v][4],d=p[v][5];return g},fabric.util.getBoundsOfCurve=r}(),function(){function t(t,e){for(var i=s.call(arguments,2),r=[],n=0,o=t.length;n<o;n++)r[n]=i.length?t[n][e].apply(t[n],i):t[n][e].call(t[n]);return r}function e(t,e){return n(t,e,function(t,e){return t>=e})}function i(t,e){return n(t,e,function(t,e){return t<e})}function r(t,e){for(var i=t.length;i--;)t[i]=e;return t}function n(t,e,i){if(t&&0!==t.length){var r=t.length-1,n=e?t[r][e]:t[r];if(e)for(;r--;)i(t[r][e],n)&&(n=t[r][e]);else 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i=t.charCodeAt(e);if(isNaN(i))return"";if(i<55296||i>57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:t,capitalize:e,escapeXml:i,graphemeSplit:r}}(),function(){function t(){}function e(t){for(var e=null,i=this;i.constructor.superclass;){var n=i.constructor.superclass.prototype[t];if(i[t]!==n){e=n;break}i=i.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,r.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}function i(){function i(){this.initialize.apply(this,arguments)}var s=null,a=r.call(arguments,0);"function"==typeof a[0]&&(s=a.shift()),i.superclass=s,i.subclasses=[],s&&(t.prototype=s.prototype,i.prototype=new t,s.subclasses.push(i));for(var h=0,c=a.length;h<c;h++)o(i,a[h],s);return i.prototype.initialize||(i.prototype.initialize=n),i.prototype.constructor=i,i.prototype.callSuper=e,i}var r=Array.prototype.slice,n=function(){},s=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),o=function(t,e,i){for(var r in e)r in t.prototype&&"function"==typeof t.prototype[r]&&(e[r]+"").indexOf("callSuper")>-1?t.prototype[r]=function(t){return function(){var r=this.constructor.superclass;this.constructor.superclass=i;var n=e[t].apply(this,arguments);if(this.constructor.superclass=r,"initialize"!==t)return n}}(r):t.prototype[r]=e[r],s&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};fabric.util.createClass=i}(),function(){function t(t){var e,i,r=Array.prototype.slice.call(arguments,1),n=r.length;for(i=0;i<n;i++)if(e=typeof t[r[i]],!/^(?:function|object|unknown)$/.test(e))return!1;return!0}function e(t,e){return{handler:e,wrappedHandler:i(t,e)}}function i(t,e){return function(i){e.call(o(t),i||fabric.window.event)}}function r(t,e){return function(i){if(p[t]&&p[t][e])for(var r=p[t][e],n=0,s=r.length;n<s;n++)r[n].call(this,i||fabric.window.event)}}function n(t){t||(t=fabric.window.event);var e=t.target||(typeof t.srcElement!==h?t.srcElement:null),i=fabric.util.getScrollLeftTop(e);return{x:v(t)+i.left,y:m(t)+i.top}}function s(t,e,i){var r="touchend"===t.type?"changedTouches":"touches";return t[r]&&t[r][0]?t[r][0][e]-(t[r][0][e]-t[r][0][i])||t[i]:t[i]}var o,a,h="unknown",c=function(){var t=0;return function(e){return e.__uniqueID||(e.__uniqueID="uniqueID__"+t++)}}();!function(){var t={};o=function(e){return t[e]},a=function(e,i){t[e]=i}}();var l,u,f=t(fabric.document.documentElement,"addEventListener","removeEventListener")&&t(fabric.window,"addEventListener","removeEventListener"),d=t(fabric.document.documentElement,"attachEvent","detachEvent")&&t(fabric.window,"attachEvent","detachEvent"),g={},p={};f?(l=function(t,e,i,r){t&&t.addEventListener(e,i,!d&&r)},u=function(t,e,i,r){t&&t.removeEventListener(e,i,!d&&r)}):d?(l=function(t,i,r){if(t){var n=c(t);a(n,t),g[n]||(g[n]={}),g[n][i]||(g[n][i]=[]);var s=e(n,r);g[n][i].push(s),t.attachEvent("on"+i,s.wrappedHandler)}},u=function(t,e,i){if(t){var r,n=c(t);if(g[n]&&g[n][e])for(var s=0,o=g[n][e].length;s<o;s++)r=g[n][e][s],r&&r.handler===i&&(t.detachEvent("on"+e,r.wrappedHandler),g[n][e][s]=null)}}):(l=function(t,e,i){if(t){var n=c(t);if(p[n]||(p[n]={}),!p[n][e]){p[n][e]=[];var s=t["on"+e];s&&p[n][e].push(s),t["on"+e]=r(n,e)}p[n][e].push(i)}},u=function(t,e,i){if(t){var r=c(t);if(p[r]&&p[r][e])for(var 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t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),n.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(n,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=t}(),function(){function t(t){return"string"==typeof t?fabric.document.getElementById(t):t}function e(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function i(t,e){t&&(" "+t.className+" ").indexOf(" "+e+" ")===-1&&(t.className+=(t.className?" 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void(e&&e([],{}));p.gradientDefs[o]=p.getGradientDefs(t),p.cssRules[o]=p.getCSSRules(t),p.parseElements(l,function(t,i){e&&e(t,a,i,h)},m(a),i,r)}};var D=new RegExp("(normal|italic)?\\s*(normal|small-caps)?\\s*(normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900)?\\s*("+p.reNum+"(?:px|cm|mm|em|pt|pc|in)*)(?:\\/(normal|"+p.reNum+"))?\\s+(.*)");v(p,{parseFontDeclaration:function(t,e){var i=t.match(D);if(i){var r=i[1],n=i[3],s=i[4],o=i[5],a=i[6];r&&(e.fontStyle=r),n&&(e.fontWeight=isNaN(parseFloat(n))?n:parseFloat(n)),s&&(e.fontSize=y(s)),a&&(e.fontFamily=a),o&&(e.lineHeight="normal"===o?1:o)}},getGradientDefs:function(t){var e,i,r,s=["linearGradient","radialGradient","svg:linearGradient","svg:radialGradient"],o=n(t,s),a=0,h={},c={};for(a=o.length;a--;)e=o[a],r=e.getAttribute("xlink:href"),i=e.getAttribute("id"),r&&(c[i]=r.substr(1)),h[i]=e;for(i in c){var l=h[c[i]].cloneNode(!0);for(e=h[i];l.firstChild;)e.appendChild(l.firstChild)}return h},parseAttributes:function(t,n,s){if(t){var o,h,c={};"undefined"==typeof s&&(s=t.getAttribute("svgUid")),t.parentNode&&w.test(t.parentNode.nodeName)&&(c=p.parseAttributes(t.parentNode,n,s)),h=c&&c.fontSize||t.getAttribute("font-size")||p.Text.DEFAULT_SVG_FONT_SIZE;var l=n.reduce(function(e,i){return o=t.getAttribute(i),o&&(e[i]=o),e},{});l=v(l,v(a(t,s),p.parseStyleAttribute(t)));var u,f,d={};for(var g in l)u=e(g),f=i(u,l[g],c,h),d[u]=f;d&&d.font&&p.parseFontDeclaration(d.font,d);var m=v(c,d);return w.test(t.nodeName)?m:r(m)}},parseElements:function(t,e,i,r,n){new p.ElementsParser(t,e,i,r,n).parse()},parseStyleAttribute:function(t){var e={},i=t.getAttribute("style");return i?("string"==typeof i?s(i,e):o(i,e),e):e},parsePointsAttribute:function(t){if(!t)return null;t=t.replace(/,/g," ").trim(),t=t.split(/\s+/);var e,i,r=[];for(e=0,i=t.length;e<i;e+=2)r.push({x:parseFloat(t[e]),y:parseFloat(t[e+1])});return r},getCSSRules:function(t){var e,i,r,n=t.getElementsByTagName("style"),s={};for(e=0,i=n.length;e<i;e++){var o=n[e].textContent||n[e].text;o=o.replace(/\/\*[\s\S]*?\*\//g,""),""!==o.trim()&&(r=o.match(/[^{]*\{[\s\S]*?\}/g),r=r.map(function(t){return t.trim()}),r.forEach(function(t){var r=t.match(/([\s\S]*?)\s*\{([^}]*)\}/),n={},o=r[2].trim(),a=o.replace(/;$/,"").split(/\s*;\s*/);for(e=0,i=a.length;e<i;e++){var h=a[e].split(/\s*:\s*/),c=h[0],l=h[1];n[c]=l}t=r[1],t.split(",").forEach(function(t){t=t.replace(/^svg/i,"").trim(),""!==t&&(s[t]?p.util.object.extend(s[t],n):s[t]=p.util.object.clone(n))})}))}return s},loadSVGFromURL:function(t,e,i,r){function n(t){var n=t.responseXML;n&&!n.documentElement&&p.window.ActiveXObject&&t.responseText&&(n=new ActiveXObject("Microsoft.XMLDOM"),n.async="false",n.loadXML(t.responseText.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,""))),n&&n.documentElement||e&&e(null),p.parseSVGDocument(n.documentElement,function(t,i,r,n){e&&e(t,i,r,n)},i,r)}t=t.replace(/^\n\s*/,"").trim(),new p.util.request(t,{method:"get",onComplete:n})},loadSVGFromString:function(t,e,i,r){t=t.trim();var n;if("undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(n=s.parseFromString(t,"text/xml"))}else p.window.ActiveXObject&&(n=new ActiveXObject("Microsoft.XMLDOM"),n.async="false",n.loadXML(t.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,"")));p.parseSVGDocument(n.documentElement,function(t,i,r,n){e(t,i,r,n)},i,r)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;t<e;t++)this.elements[t].setAttribute("svgUid",this.svgUid),function(t,e){setTimeout(function(){t.createObject(t.elements[e],e)},0)}(this,t)},fabric.ElementsParser.prototype.createObject=function(t,e){var i=fabric[fabric.util.string.capitalize(t.tagName.replace("svg:",""))];if(i&&i.fromElement)try{this._createObject(i,t,e)}catch(t){fabric.log(t)}else this.checkIfDone()},fabric.ElementsParser.prototype._createObject=function(t,e,i){t.fromElement(e,this.createCallback(i,e),this.options)},fabric.ElementsParser.prototype.createCallback=function(t,e){var i=this;return function(r){i.resolveGradient(r,"fill"),i.resolveGradient(r,"stroke"),r._removeTransformMatrix(),r instanceof fabric.Image&&r.parsePreserveAspectRatioAttribute(e),i.reviver&&i.reviver(e,r),i.instances[t]=r,i.checkIfDone()}},fabric.ElementsParser.prototype.resolveGradient=function(t,e){var i=t.get(e);if(/^url\(/.test(i)){var r=i.slice(5,i.length-1);fabric.gradientDefs[this.svgUid][r]&&t.set(e,fabric.Gradient.fromElement(fabric.gradientDefs[this.svgUid][r],t))}},fabric.ElementsParser.prototype.checkIfDone=function(){0===--this.numElements&&(this.instances=this.instances.filter(function(t){return null!=t}),this.callback(this.instances,this.elements))},function(t){"use strict";function e(t,e){this.x=t,this.y=e}var i=t.fabric||(t.fabric={});return i.Point?void i.warn("fabric.Point is already defined"):(i.Point=e,void(e.prototype={type:"point",constructor:e,add:function(t){return new e(this.x+t.x,this.y+t.y)},addEquals:function(t){return this.x+=t.x,this.y+=t.y,this},scalarAdd:function(t){return new e(this.x+t,this.y+t)},scalarAddEquals:function(t){return this.x+=t,this.y+=t,this},subtract:function(t){return new e(this.x-t.x,this.y-t.y)},subtractEquals:function(t){return this.x-=t.x,this.y-=t.y,this},scalarSubtract:function(t){return new e(this.x-t,this.y-t)},scalarSubtractEquals:function(t){return this.x-=t,this.y-=t,this},multiply:function(t){return new e(this.x*t,this.y*t)},multiplyEquals:function(t){return this.x*=t,this.y*=t,this},divide:function(t){return new e(this.x/t,this.y/t)},divideEquals:function(t){return this.x/=t,this.y/=t,this},eq:function(t){return this.x===t.x&&this.y===t.y},lt:function(t){return this.x<t.x&&this.y<t.y},lte:function(t){return this.x<=t.x&&this.y<=t.y},gt:function(t){return this.x>t.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return"undefined"==typeof i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){var n,s,o,a,h=new e,c=r.length;for(a=0;a<c;a++)n=r[a],s=r[(a+1)%c],o=e.intersectLineLine(t,i,n,s),h.appendPoints(o.points);return h.points.length>0&&(h.status="Intersection"),h},i.Intersection.intersectPolygonPolygon=function(t,i){var r,n=new e,s=t.length;for(r=0;r<s;r++){var o=t[r],a=t[(r+1)%s],h=e.intersectLinePolygon(o,a,i);n.appendPoints(h.points)}return n.points.length>0&&(n.status="Intersection"),n},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e<i?6:0);break;case e:n=(i-t)/c+2;break;case i:n=(t-e)/c+4}n/=6}return[Math.round(360*n),Math.round(100*s),Math.round(100*o)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,r=this.getSource();return t=r[0].toString(16),t=1===t.length?"0"+t:t,e=r[1].toString(16),e=1===e.length?"0"+e:e,i=r[2].toString(16),i=1===i.length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},toHexa:function(){var t,e=this.getSource();return t=255*e[3],t=t.toString(16),t=1===t.length?"0"+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),r=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,r]),this},overlayWith:function(t){t instanceof e||(t=new e(t));var i,r=[],n=this.getAlpha(),s=.5,o=this.getSource(),a=t.getSource();for(i=0;i<3;i++)r.push(Math.round(o[i]*(1-s)+a[i]*s));return r[3]=n,this.setSource(r),this}},r.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/,r.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,r.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,r.Color.colorNameMap={aliceblue:"#F0F8FF",antiquewhite:"#FAEBD7",aqua:"#00FFFF",aquamarine:"#7FFFD4",azure:"#F0FFFF",beige:"#F5F5DC",bisque:"#FFE4C4",black:"#000000",blanchedalmond:"#FFEBCD",blue:"#0000FF",blueviolet:"#8A2BE2",brown:"#A52A2A",burlywood:"#DEB887",cadetblue:"#5F9EA0",chartreuse:"#7FFF00",chocolate:"#D2691E",coral:"#FF7F50",cornflowerblue:"#6495ED",cornsilk:"#FFF8DC",crimson:"#DC143C",cyan:"#00FFFF",darkblue:"#00008B",darkcyan:"#008B8B",darkgoldenrod:"#B8860B",darkgray:"#A9A9A9",darkgrey:"#A9A9A9",darkgreen:"#006400",darkkhaki:"#BDB76B",darkmagenta:"#8B008B",darkolivegreen:"#556B2F",darkorange:"#FF8C00",darkorchid:"#9932CC",darkred:"#8B0000",darksalmon:"#E9967A",darkseagreen:"#8FBC8F",darkslateblue:"#483D8B",darkslategray:"#2F4F4F",darkslategrey:"#2F4F4F",darkturquoise:"#00CED1",darkviolet:"#9400D3",deeppink:"#FF1493",deepskyblue:"#00BFFF",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1E90FF",firebrick:"#B22222",floralwhite:"#FFFAF0",forestgreen:"#228B22",fuchsia:"#FF00FF",gainsboro:"#DCDCDC",ghostwhite:"#F8F8FF",gold:"#FFD700",goldenrod:"#DAA520",gray:"#808080",grey:"#808080",green:"#008000",greenyellow:"#ADFF2F",honeydew:"#F0FFF0",hotpink:"#FF69B4",indianred:"#CD5C5C",indigo:"#4B0082",ivory:"#FFFFF0",khaki:"#F0E68C",lavender:"#E6E6FA",lavenderblush:"#FFF0F5",lawngreen:"#7CFC00",lemonchiffon:"#FFFACD",lightblue:"#ADD8E6",lightcoral:"#F08080",lightcyan:"#E0FFFF",lightgoldenrodyellow:"#FAFAD2",lightgray:"#D3D3D3",lightgrey:"#D3D3D3",lightgreen:"#90EE90",lightpink:"#FFB6C1",lightsalmon:"#FFA07A",lightseagreen:"#20B2AA",lightskyblue:"#87CEFA",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#B0C4DE",lightyellow:"#FFFFE0",lime:"#00FF00",limegreen:"#32CD32",linen:"#FAF0E6",magenta:"#FF00FF",maroon:"#800000",mediumaquamarine:"#66CDAA",mediumblue:"#0000CD",mediumorchid:"#BA55D3",mediumpurple:"#9370DB",mediumseagreen:"#3CB371",mediumslateblue:"#7B68EE",mediumspringgreen:"#00FA9A",mediumturquoise:"#48D1CC",mediumvioletred:"#C71585",midnightblue:"#191970",mintcream:"#F5FFFA",mistyrose:"#FFE4E1",moccasin:"#FFE4B5",navajowhite:"#FFDEAD",navy:"#000080",oldlace:"#FDF5E6",olive:"#808000",olivedrab:"#6B8E23",orange:"#FFA500",orangered:"#FF4500",orchid:"#DA70D6",palegoldenrod:"#EEE8AA",palegreen:"#98FB98",paleturquoise:"#AFEEEE",palevioletred:"#DB7093",papayawhip:"#FFEFD5",peachpuff:"#FFDAB9",peru:"#CD853F",pink:"#FFC0CB",plum:"#DDA0DD",powderblue:"#B0E0E6",purple:"#800080",rebeccapurple:"#663399",red:"#FF0000",rosybrown:"#BC8F8F",royalblue:"#4169E1",saddlebrown:"#8B4513",salmon:"#FA8072",sandybrown:"#F4A460",seagreen:"#2E8B57",seashell:"#FFF5EE",sienna:"#A0522D",silver:"#C0C0C0",skyblue:"#87CEEB",slateblue:"#6A5ACD",slategray:"#708090",slategrey:"#708090",snow:"#FFFAFA",springgreen:"#00FF7F",steelblue:"#4682B4",tan:"#D2B48C",teal:"#008080",thistle:"#D8BFD8",tomato:"#FF6347",turquoise:"#40E0D0",violet:"#EE82EE",wheat:"#F5DEB3",white:"#FFFFFF",whitesmoke:"#F5F5F5",yellow:"#FFFF00",yellowgreen:"#9ACD32"},r.Color.fromRgb=function(t){return e.fromSource(e.sourceFromRgb(t))},r.Color.sourceFromRgb=function(t){var i=t.match(e.reRGBa);if(i){var r=parseInt(i[1],10)/(/%$/.test(i[1])?100:1)*(/%$/.test(i[1])?255:1),n=parseInt(i[2],10)/(/%$/.test(i[2])?100:1)*(/%$/.test(i[2])?255:1),s=parseInt(i[3],10)/(/%$/.test(i[3])?100:1)*(/%$/.test(i[3])?255:1);return[parseInt(r,10),parseInt(n,10),parseInt(s,10),i[4]?parseFloat(i[4]):1]}},r.Color.fromRgba=e.fromRgb,r.Color.fromHsl=function(t){return e.fromSource(e.sourceFromHsl(t))},r.Color.sourceFromHsl=function(t){var r=t.match(e.reHSLa);if(r){var n,s,o,a=(parseFloat(r[1])%360+360)%360/360,h=parseFloat(r[2])/(/%$/.test(r[2])?100:1),c=parseFloat(r[3])/(/%$/.test(r[3])?100:1);if(0===h)n=s=o=c;else{var l=c<=.5?c*(h+1):c+h-c*h,u=2*c-l;n=i(u,l,a+1/3),s=i(u,l,a),o=i(u,l,a-1/3)}return[Math.round(255*n),Math.round(255*s),Math.round(255*o),r[4]?parseFloat(r[4]):1]}},r.Color.fromHsla=e.fromHsl,r.Color.fromHex=function(t){return e.fromSource(e.sourceFromHex(t))},r.Color.sourceFromHex=function(t){if(t.match(e.reHex)){var i=t.slice(t.indexOf("#")+1),r=3===i.length||4===i.length,n=8===i.length||4===i.length,s=r?i.charAt(0)+i.charAt(0):i.substring(0,2),o=r?i.charAt(1)+i.charAt(1):i.substring(2,4),a=r?i.charAt(2)+i.charAt(2):i.substring(4,6),h=n?r?i.charAt(3)+i.charAt(3):i.substring(6,8):"FF";return[parseInt(s,16),parseInt(o,16),parseInt(a,16),parseFloat((parseInt(h,16)/255).toFixed(2))]}},void(r.Color.fromSource=function(t){var i=new e;return i.setSource(t),i}))}("undefined"!=typeof exports?exports:this),function(){function t(t){var e,i,r,n,s=t.getAttribute("style"),o=t.getAttribute("offset")||0;if(o=parseFloat(o)/(/%$/.test(o)?100:1),o=o<0?0:o>1?1:o,s){var a=s.split(/\s*;\s*/);for(""===a[a.length-1]&&a.pop(),n=a.length;n--;){var h=a[n].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:o,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r,s,o=n(this.coords,!0),a=n(this.colorStops,!0),h=o.r1>o.r2;a.sort(function(t,e){return t.offset-e.offset});for(var c in o)"x1"===c||"x2"===c?o[c]+=this.offsetX-t.width/2:"y1"!==c&&"y2"!==c||(o[c]+=this.offsetY-t.height/2);if(s='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(s+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?r=["<linearGradient ",s,' x1="',o.x1,'" y1="',o.y1,'" x2="',o.x2,'" y2="',o.y2,'">\n']:"radial"===this.type&&(r=["<radialGradient ",s,' cx="',h?o.x1:o.x2,'" cy="',h?o.y1:o.y2,'" r="',h?o.r1:o.r2,'" fx="',h?o.x2:o.x1,'" fy="',h?o.y2:o.y1,'">\n']),"radial"===this.type){if(h)for(a=a.concat(),a.reverse(),e=0,i=a.length;e<i;e++)a[e].offset=1-a[e].offset;var l=Math.min(o.r1,o.r2);if(l>0){var u=Math.max(o.r1,o.r2),f=l/u;for(e=0,i=a.length;e<i;e++)a[e].offset+=f*(1-a[e].offset)}}for(e=0,i=a.length;e<i;e++){var d=a[e];r.push("<stop ",'offset="',100*d.offset+"%",'" style="stop-color:',d.color,null!==d.opacity?";stop-opacity: "+d.opacity:";",'"/>\n')}return r.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),r.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i<r;i++){var s=this.colorStops[i].color,o=this.colorStops[i].opacity,a=this.colorStops[i].offset;"undefined"!=typeof o&&(s=new fabric.Color(s).setAlpha(o).toRgba()),e.addColorStop(a,s)}return e}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(n,s){var o,a,h,c,l=n.getElementsByTagName("stop"),u=n.getAttribute("gradientUnits")||"objectBoundingBox",f=n.getAttribute("gradientTransform"),d=[];for(o="linearGradient"===n.nodeName||"LINEARGRADIENT"===n.nodeName?"linear":"radial","linear"===o?a=e(n):"radial"===o&&(a=i(n)),c=l.length;c--;)d.push(t(l[c]));h=r(s,a,u);var g=new fabric.Gradient({type:o,coords:a,colorStops:d,offsetX:-s.left,offsetY:-s.top});return(f||""!==h)&&(g.gradientTransform=fabric.parseTransformAttribute((f||"")+h)),g},forObject:function(t,e){return e||(e={}),r(t,e.coords,"userSpaceOnUse"),new fabric.Gradient(e)}})}(),function(){"use strict";var t=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(t,e){if(t||(t={}),this.id=fabric.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)return void(e&&e(this));if("undefined"!=typeof fabric.util.getFunctionBody(t.source))this.source=new Function(fabric.util.getFunctionBody(t.source)),e&&e(this);else{var i=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t){i.source=t,e&&e(i)})}},toObject:function(e){var i,r,n=fabric.Object.NUM_FRACTION_DIGITS;return"function"==typeof this.source?i=String(this.source):"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),r={type:"pattern",source:i,repeat:this.repeat,offsetX:t(this.offsetX,n),offsetY:t(this.offsetY,n)},fabric.util.populateWithProperties(this,r,e),r},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,r=e.height/t.height,n=this.offsetX/t.width,s=this.offsetY/t.height,o="";return"repeat-x"!==this.repeat&&"no-repeat"!==this.repeat||(r=1),"repeat-y"!==this.repeat&&"no-repeat"!==this.repeat||(i=1),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+n+'" y="'+s+'" width="'+i+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+n+'%" height="'+(100+2*n)+'%" x="-'+r+'%" width="'+(100+2*r)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+i(this.blur?this.blur/2:0,s)+'"></feGaussianBlur>\n\t<feOffset dx="'+i(o.x,s)+'" dy="'+i(o.y,s)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+this.color+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=fabric.util.createCanvasElement();if(!t)throw o;if(t.style||(t.style={}),"undefined"==typeof t.getContext)throw o;return t},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0];
+},setViewportTransform:function(t){var e,i,r,n=this._activeObject,s=!1,o=!0;for(this.viewportTransform=t,i=0,r=this._objects.length;i<r;i++)e=this._objects[i],e.group||e.setCoords(s,o);return n&&"activeSelection"===n.type&&n.setCoords(s,o),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,r=this.viewportTransform.slice(0);t=n(t,s(this.viewportTransform)),r[0]=e,r[3]=e;var o=n(t,r);return r[4]+=i.x-o.x,r[5]+=i.y-o.y,this.setViewportTransform(r)},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:up",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var t=this.contextContainer;return this.isRendering&&fabric.util.cancelAnimFrame(this.isRendering),this.renderCanvas(t,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||(this.isRendering=fabric.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,r=s(this.viewportTransform);return t.tl=n({x:0,y:0},r),t.br=n({x:e,y:i},r),t.tr=new fabric.Point(t.br.x,t.tl.y),t.bl=new fabric.Point(t.tl.x,t.br.y),this.vptCoords=t,t},renderCanvas:function(t,e){this.calcViewportBoundaries(),this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),t.save(),t.transform.apply(t,this.viewportTransform),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render")},_renderObjects:function(t,e){var i,r;for(i=0,r=e.length;i<r;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i=this[e+"Color"];i&&(t.fillStyle=i.toLive?i.toLive(t,this):i,t.fillRect(i.offsetX||0,i.offsetY||0,this.width,this.height)),i=this[e+"Image"],i&&(this[e+"Vpt"]&&(t.save(),t.transform.apply(t,this.viewportTransform)),i.render(t),this[e+"Vpt"]&&t.restore())},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new fabric.Point(e.left,e.top))},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=s(this.viewportTransform);return n({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),this.renderOnAddRemove&&this.requestRenderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var r={objects:this._toObjects(e,i)};return t(r,this.__serializeBgOverlay(e,i)),fabric.util.populateWithProperties(this,r,i),r},_toObjects:function(t,e){return this.getObjects().filter(function(t){return!t.excludeFromExport}).map(function(i){return this._toObject(i,t,e)},this)},_toObject:function(t,e,i){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var n=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=r),n},__serializeBgOverlay:function(t,e){var i={},r=this.backgroundImage,n=this.overlayImage;return this.backgroundColor&&(i.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(i.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),r&&!r.excludeFromExport&&(i.backgroundImage=this._toObject(r,t,e)),n&&!n.excludeFromExport&&(i.overlayImage=this._toObject(n,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={});var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this._setSVGBgOverlayColor(i,"backgroundColor"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this._setSVGBgOverlayColor(i,"overlayColor"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',n,'" ','height="',s,'" ',o,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"</defs>\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)});return e.join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,h,c="",l={},u=fabric.fontPaths,f=this.getObjects();for(a=0,h=f.length;a<h;a++)if(t=f[a],e=t.fontFamily,t.type.indexOf("text")!==-1&&!l[e]&&u[e]&&(l[e]=!0,t.styles)){i=t.styles;for(n in i){r=i[n];for(o in r)s=r[o],e=s.fontFamily,!l[e]&&u[e]&&(l[e]=!0)}}for(var d in l)c+=["\t\t@font-face {\n","\t\t\tfont-family: '",d,"';\n","\t\t\tsrc: url('",u[d],"');\n","\t\t}\n"].join("");return c&&(c=['\t<style type="text/css">',"<![CDATA[\n",c,"]]>","</style>\n"].join("")),c},_setSVGObjects:function(t,e){var i,r,n,s=this.getObjects();for(r=0,n=s.length;r<n;r++)i=s[r],i.excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&this[e].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e];if(i)if(i.toLive){var r=i.repeat;t.push('<rect transform="translate(',this.width/2,",",this.height/2,')"',' x="',i.offsetX-this.width/2,'" y="',i.offsetY-this.height/2,'" ','width="',"repeat-y"===r||"no-repeat"===r?i.source.width:this.width,'" height="',"repeat-x"===r||"no-repeat"===r?i.source.height:this.height,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[e],'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._objects,e=0;e<n.length;e++)r=n[e],i(this._objects,r),this._objects.push(r);else i(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeObject,c=0;if(t===h&&"activeSelection"===t.type)for(a=h._objects,r=0;r<a.length;r++)n=a[r],s=this._objects.indexOf(n),s>0+c&&(o=s-1,i(this._objects,n),this._objects.splice(o,0,n)),c++;else s=this._objects.indexOf(t),0!==s&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var r,n;if(i)for(r=e,n=e-1;n>=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeObject,c=0;if(t===h&&"activeSelection"===t.type)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s<this._objects.length-1-c&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n)),c++;else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var r,n,s;if(i)for(r=e,n=e+1,s=this._objects.length;n<s;++n){var o=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(o){r=n;break}}else r=e+1;return r},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.clear(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().length+" }>"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t,e,i=this.canvas.contextTop,r=this.canvas.viewportTransform,n=this._points[0],s=this._points[1];for(i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.beginPath(),2===this._points.length&&n.x===s.x&&n.y===s.y&&(n.x-=.5,s.x+=.5),i.moveTo(n.x,n.y),t=1,e=this._points.length;t<e;t++){var o=n.midPointFrom(s);i.quadraticCurveTo(n.x,n.y,o.x,o.y),n=this._points[t],s=this._points[t+1]}i.lineTo(n.x,n.y),i.stroke(),i.restore()},convertPointsToSVGPath:function(t){var e,i,r=[],n=new fabric.Point(t[0].x,t[0].y),s=new fabric.Point(t[1].x,t[1].y);for(r.push("M ",t[0].x," ",t[0].y," "),e=1,i=t.length;e<i;e++){var o=n.midPointFrom(s);r.push("Q ",n.x," ",n.y," ",o.x," ",o.y," "),n=new fabric.Point(t[e].x,t[e].y),e+1<t.length&&(s=new fabric.Point(t[e+1].x,t[e+1].y))}return r.push("L ",n.x," ",n.y," "),r},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray,originX:"center",originY:"center"});return this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){var t=this.canvas.contextTop;t.closePath();var e=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"===e)return void this.canvas.requestRenderAll();var i=this.createPath(e);this.canvas.add(i),i.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.requestRenderAll(),this.canvas.fire("path:created",{path:i})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop,r=this.canvas.viewportTransform;i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},onMouseMove:function(t){this.drawDot(t)},onMouseUp:function(){var t,e,i=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var r=[];for(t=0,e=this.points.length;t<e;t++){var n=this.points[t],s=new fabric.Circle({radius:n.radius,left:n.x,top:n.y,originX:"center",originY:"center",fill:n.fill});this.shadow&&s.setShadow(this.shadow),r.push(s)}var o=new fabric.Group(r,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=i,this.canvas.requestRenderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=r,this.points.push(e),e}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render()},onMouseMove:function(t){this.addSprayChunk(t),this.render()},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;i<r;i++)for(var n=this.sprayChunks[i],s=0,o=n.length;s<o;s++){var a=new fabric.Rect({width:n[s].width,height:n[s].width,left:n[s].x+1,top:n[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&a.setShadow(this.shadow),e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var h=new fabric.Group(e,{originX:"center",originY:"center"});h.canvas=this.canvas,this.canvas.add(h),this.canvas.fire("path:created",{path:h}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,i,r,n={};for(i=0,r=t.length;i<r;i++)e=t[i].left+""+t[i].top,n[e]||(n[e]=t[i]);var s=[];for(e in n)s.push(n[e]);return s},render:function(){var t=this.canvas.contextTop;t.fillStyle=this.color;var e,i,r=this.canvas.viewportTransform;for(t.save(),t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),e=0,i=this.sprayChunkPoints.length;e<i;e++){var n=this.sprayChunkPoints[e];"undefined"!=typeof n.opacity&&(t.globalAlpha=n.opacity),t.fillRect(n.x,n.y,n.width,n.width)}t.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,r,n,s=this.width/2;for(n=0;n<this.density;n++){e=fabric.util.getRandomInt(t.x-s,t.x+s),i=fabric.util.getRandomInt(t.y-s,t.y+s),r=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new fabric.Point(e,i);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=20,e=5,i=fabric.document.createElement("canvas"),r=i.getContext("2d");return i.width=i.height=t+e,r.fillStyle=this.color,r.beginPath(),r.arc(t/2,t/2,t/2,0,2*Math.PI,!1),r.closePath(),r.fill(),i},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var t=fabric.util.getPointer,e=fabric.util.degreesToRadians,i=fabric.util.radiansToDegrees,r=Math.atan2,n=Math.abs,s=fabric.StaticCanvas.supports("setLineDash"),o=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniScaleTransform:!1,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",notAllowedCursor:"not-allowed",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,i,r=this.getActiveObjects();if(r.length>0&&!this.preserveObjectStacking){e=[],i=[];for(var n=0,s=this._objects.length;n<s;n++)t=this._objects[n],r.indexOf(t)===-1?e.push(t):i.push(t);r.length>1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.selection&&this._groupSelector&&this._drawSelection(t),this.fire("after:render"),this.contextTopDirty=!0,this},_resetCurrentTransform:function(){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,skewX:t.original.skewX,skewY:t.original.skewY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(t.target)?"rotate"===t.action?this._setOriginToCenter(t.target):("center"!==t.originX&&("right"===t.originX?t.mouseXSign=-1:t.mouseXSign=1),"center"!==t.originY&&("bottom"===t.originY?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(t,e,i){var r,n=!0,s=i||this.getPointer(t,n);return r=e.group&&e.group===this._activeObject&&"activeSelection"===e.group.type?this._normalizePointer(e.group,s):{x:s.x,y:s.y},e.containsPoint(r)||e._findTargetCorner(s)},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),r=fabric.util.invertTransform(i),n=this.restorePointerVpt(e);return fabric.util.transformPoint(n,r)},isTargetTransparent:function(t,e,i){var r=t.hasBorders,n=t.transparentCorners,s=this.contextCache,o=t.selectionBackgroundColor;t.hasBorders=t.transparentCorners=!1,t.selectionBackgroundColor="",s.save(),s.transform.apply(s,this.viewportTransform),t.render(s),s.restore(),t.active&&t._renderControls(s),t.hasBorders=r,t.transparentCorners=n,t.selectionBackgroundColor=o;var a=fabric.util.isTransparent(s,e,i,this.targetFindTolerance);return this.clearContext(s),a},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),r=this._activeObject;return!e||e&&r&&i.length>1&&i.indexOf(e)===-1&&r!==e&&!t[this.selectionKey]||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t){if(t){var e,i=this._currentTransform;return"scale"===i.action||"scaleX"===i.action||"scaleY"===i.action?e=this.centeredScaling||t.centeredScaling:"rotate"===i.action&&(e=this.centeredRotation||t.centeredRotation),e?!i.altKey:i.altKey}},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":"mr"!==e&&"tr"!==e&&"br"!==e||(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":"bl"!==e&&"mb"!==e&&"br"!==e||(i.y="top"),i},_getActionFromCorner:function(t,e,i){if(!e)return"drag";switch(e){case"mtr":return"rotate";case"ml":case"mr":return i[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return i[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(t,i){if(i){var r=this.getPointer(t),n=i._findTargetCorner(this.getPointer(t,!0)),s=this._getActionFromCorner(i,n,t),o=this._getOriginFromCorner(i,n);this._currentTransform={target:i,action:s,corner:n,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:r.x-i.left,offsetY:r.y-i.top,originX:o.x,originY:o.y,ex:r.x,ey:r.y,lastX:r.x,lastY:r.y,left:i.left,top:i.top,theta:e(i.angle),width:i.width*i.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:t.shiftKey,altKey:t[this.centeredKey]},this._currentTransform.original={left:i.left,top:i.top,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,originX:o.x,originY:o.y},this._resetCurrentTransform()}},_translateObject:function(t,e){var i=this._currentTransform,r=i.target,n=t-i.offsetX,s=e-i.offsetY,o=!r.get("lockMovementX")&&r.left!==n,a=!r.get("lockMovementY")&&r.top!==s;return o&&r.set("left",n),a&&r.set("top",s),o||a},_changeSkewTransformOrigin:function(t,e,i){var r="originX",n={0:"center"},s=e.target.skewX,o="left",a="right",h="mt"===e.corner||"ml"===e.corner?1:-1,c=1;t=t>0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&c<u.scaleX&&(f=!0),s&&l<=0&&l<u.scaleY&&(d=!0),"equally"!==n||i||r?n?"x"!==n||u.get("lockUniScaling")?"y"!==n||u.get("lockUniScaling")||d||r||u.set("scaleY",l)&&(g=g||h):f||i||u.set("scaleX",c)&&(g=g||a):(f||i||u.set("scaleX",c)&&(g=g||a),d||r||u.set("scaleY",l)&&(g=g||h)):f||d||(g=this._scaleObjectEqually(t,u,e,o)),e.newScaleX=c,e.newScaleY=l,f||d||this._flipObject(e,n),g},_scaleObjectEqually:function(t,e,i,r){var n,s=t.y+t.x,o=r.y*i.original.scaleY/e.scaleY+r.x*i.original.scaleX/e.scaleX;return i.newScaleX=i.original.scaleX*s/o,i.newScaleY=i.original.scaleY*s/o,n=i.newScaleX!==e.scaleX||i.newScaleY!==e.scaleY,e.set("scaleX",i.newScaleX),e.set("scaleY",i.newScaleY),n},_flipObject:function(t,e){t.newScaleX<0&&"y"!==e&&("left"===t.originX?t.originX="right":"right"===t.originX&&(t.originX="left")),t.newScaleY<0&&"x"!==e&&("top"===t.originY?t.originY="bottom":"bottom"===t.originY&&(t.originY="top"))},_setLocalMouse:function(t,e){var i=e.target,r=this.getZoom(),s=i.padding/r;"right"===e.originX?t.x*=-1:"center"===e.originX&&(t.x*=2*e.mouseXSign,t.x<0&&(e.mouseXSign=-e.mouseXSign)),"bottom"===e.originY?t.y*=-1:"center"===e.originY&&(t.y*=2*e.mouseYSign,t.y<0&&(e.mouseYSign=-e.mouseYSign)),n(t.x)>s?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta),h=!0;if(n.target.snapAngle>0){var c=n.target.snapAngle,l=n.target.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)<l?a=f:Math.abs(a-u)<l&&(a=u)}return a<0&&(a=360+a),a%=360,n.target.angle===a?h=!1:n.target.angle=a,h},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.rotate(0)},_drawSelection:function(t){var e=this._groupSelector,i=e.left,r=e.top,a=n(i),h=n(r);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this._activeObject,o=this.getActiveObjects();if(this.targets=[],o.length>1&&!e&&s===this._searchPossibleTargets([s],n))return this._fireOverOutEvents(s,t),s;if(1===o.length&&s._findTargetCorner(n))return this._fireOverOutEvents(s,t),s;if(1===o.length&&s===this._searchPossibleTargets([s],n)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(s,t),s;i=s}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl);
+},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;return t?"activeSelection"===t.type&&t._objects?t._objects:[t]:[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},setActiveObject:function(t,e){var i=this._activeObject;return t===i?this:(this._setActiveObject(t,e)&&(i&&i.fire("deselected",{e:e}),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this)},_setActiveObject:function(t,e){var i=this._activeObject;return i!==t&&!t.onSelect({e:e})&&(!!this._discardActiveObject(e)&&(this._activeObject=t,t.set("active",!0),!0))},_discardActiveObject:function(t){var e=this._activeObject;if(e&&e.onDeselect&&"function"==typeof e.onDeselect){if(e.onDeselect({e:t}))return!1;e.set("active",!1),this._activeObject=null}return!0},discardActiveObject:function(t){var e=this._activeObject;return e&&(this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(t)&&(this.fire("selection:cleared",{e:t}),e.fire("deselected",{e:t}))),this},dispose:function(){fabric.StaticCanvas.prototype.dispose.call(this);var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),delete this.upperCanvasEl,t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(t),n=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,r),n},_realizeGroupTransformOnObject:function(t){if(t.group&&"activeSelection"===t.group.type&&this._activeObject===t.group){var e=["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"],i={};return e.forEach(function(e){i[e]=t[e]}),this._activeObject.realizeTransform(t),i}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,r)}});for(var a in fabric.StaticCanvas)"prototype"!==a&&(fabric.Canvas[a]=fabric.StaticCanvas[a]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){})}(),function(){function t(t,e){return"which"in t?t.which===e:t.button===e-1}var e={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},i=fabric.util.addListener,r=fabric.util.removeListener,n=3,s=2,o=1;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this.removeListeners(),this._bindEvents(),i(fabric.window,"resize",this._onResize),i(this.upperCanvasEl,"mousedown",this._onMouseDown),i(this.upperCanvasEl,"dblclick",this._onDoubleClick),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"mouseout",this._onMouseOut),i(this.upperCanvasEl,"mouseenter",this._onMouseEnter),i(this.upperCanvasEl,"wheel",this._onMouseWheel),i(this.upperCanvasEl,"contextmenu",this._onContextMenu),i(this.upperCanvasEl,"touchstart",this._onMouseDown,{passive:!1}),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"undefined"!=typeof eventjs&&"add"in eventjs&&(eventjs.add(this.upperCanvasEl,"gesture",this._onGesture),eventjs.add(this.upperCanvasEl,"drag",this._onDrag),eventjs.add(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.add(this.upperCanvasEl,"shake",this._onShake),eventjs.add(this.upperCanvasEl,"longpress",this._onLongPress))},_bindEvents:function(){this.eventsBinded||(this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this.eventsBinded=!0)},removeListeners:function(){r(fabric.window,"resize",this._onResize),r(this.upperCanvasEl,"mousedown",this._onMouseDown),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"mouseout",this._onMouseOut),r(this.upperCanvasEl,"mouseenter",this._onMouseEnter),r(this.upperCanvasEl,"wheel",this._onMouseWheel),r(this.upperCanvasEl,"contextmenu",this._onContextMenu),r(this.upperCanvasEl,"doubleclick",this._onDoubleClick),r(this.upperCanvasEl,"touchstart",this._onMouseDown),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof eventjs&&"remove"in eventjs&&(eventjs.remove(this.upperCanvasEl,"gesture",this._onGesture),eventjs.remove(this.upperCanvasEl,"drag",this._onDrag),eventjs.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.remove(this.upperCanvasEl,"shake",this._onShake),eventjs.remove(this.upperCanvasEl,"longpress",this._onLongPress))},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t}),this._iTextInstances&&this._iTextInstances.forEach(function(t){t.isEditing&&t.hiddenTextarea.focus()})},_onMouseEnter:function(t){this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null)},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){var e;this._handleEvent(t,"dblclick",e)},_onMouseDown:function(t){this.__onMouseDown(t),i(fabric.document,"touchend",this._onMouseUp,{passive:!1}),i(fabric.document,"touchmove",this._onMouseMove,{passive:!1}),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchstart"===t.type?r(this.upperCanvasEl,"mousedown",this._onMouseDown):(i(fabric.document,"mouseup",this._onMouseUp),i(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(t){if(this.__onMouseUp(t),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp),r(fabric.document,"mousemove",this._onMouseMove),r(fabric.document,"touchmove",this._onMouseMove),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"touchend"===t.type){var e=this;setTimeout(function(){i(e.upperCanvasEl,"mousedown",e._onMouseDown)},400)}},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t,e){var i=this._activeObject;return(!i||!i.isEditing||t!==i)&&!!(t&&(t.isMoving||t!==i)||!t&&i||!t&&!i&&!this._groupSelector||e&&this._previousPointer&&this.selection&&(e.x!==this._previousPointer.x||e.y!==this._previousPointer.y))},__onMouseUp:function(e){var i;if(t(e,n))return void(this.fireRightClick&&this._handleEvent(e,"up",i,n));if(t(e,s))return void(this.fireMiddleClick&&this._handleEvent(e,"up",i,s));if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(e);var r=!0,a=this._currentTransform,h=this._groupSelector,c=!h||0===h.left&&0===h.top;a&&(this._finalizeCurrentTransform(e),r=!a.actionPerformed),i=r?this.findTarget(e,!0):a.target;var l=this._shouldRender(i,this.getPointer(e));i||!c?this._maybeGroupObjects(e):(this._groupSelector=null,this._currentTransform=null),i&&(i.isMoving=!1),this._setCursorFromEvent(e,i),this._handleEvent(e,"up",i?i:null,o,c),i&&(i.__corner=0),l&&this.requestRenderAll()},_handleEvent:function(t,e,i,r,n){var s="undefined"==typeof i?this.findTarget(t):i,a=this.targets||[],h={e:t,target:s,subTargets:a,button:r||o,isClick:n||!1};this.fire("mouse:"+e,h),s&&s.fire("mouse"+e,h);for(var c=0;c<a.length;c++)a[c].fire("mouse"+e,h)},_finalizeCurrentTransform:function(t){var e=this._currentTransform,i=e.target;i._scaling&&(i._scaling=!1),i.setCoords(),this._restoreOriginXY(i),(e.actionPerformed||this.stateful&&i.hasStateChanged())&&(this.fire("object:modified",{target:i,e:t}),i.fire("modified",{e:t}))},_restoreOriginXY:function(t){if(this._previousOriginX&&this._previousOriginY){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.discardActiveObject(t).requestRenderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e)}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this._handleEvent(t,"up")},__onMouseDown:function(e){var i=this.findTarget(e);if(t(e,n))return void(this.fireRightClick&&this._handleEvent(e,"down",i?i:null,n));if(t(e,s))return void(this.fireMiddleClick&&this._handleEvent(e,"down",i?i:null,s));if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(e);if(!this._currentTransform){var r=this.getPointer(e,!0);this._previousPointer=r;var o=this._shouldRender(i,r),a=this._shouldGroup(e,i);this._shouldClearSelection(e,i)?this.discardActiveObject(e):a&&(this._handleGrouping(e,i),i=this._activeObject),!this.selection||i&&(i.selectable||i.isEditing||i===this._activeObject)||(this._groupSelector={ex:r.x,ey:r.y,top:0,left:0}),i&&(!i.selectable&&i!==this._activeObject||!i.__corner&&a||(this._beforeTransform(e,i),this._setupCurrentTransform(e,i)),i.selectable&&this.setActiveObject(i,e)),this._handleEvent(e,"down",i?i:null),o&&this.requestRenderAll()}},_beforeTransform:function(t,e){this.stateful&&e.saveState(),e._findTargetCorner(this.getPointer(t))&&this.onBeforeScaleRotate(e)},_setOriginToCenter:function(t){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var e=t.getCenterPoint();t.originX="center",t.originY="center",t.left=e.x,t.top=e.y,this._currentTransform.left=t.left,this._currentTransform.top=t.top},_setCenterToOrigin:function(t){var e=t.translateToOriginPoint(t.getCenterPoint(),this._previousOriginX,this._previousOriginY);t.originX=this._previousOriginX,t.originY=this._previousOriginY,t.left=e.x,t.top=e.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(t){var e,i;if(this.isDrawingMode)return void this._onMouseMoveInDrawingMode(t);if(!("undefined"!=typeof t.touches&&t.touches.length>1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return this._isUniscalePossible(t,e.target)?(e.currentAction="scale",this._scaleObject(i,r)):(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally"))},_isUniscalePossible:function(t,e){return(t[this.uniScaleKey]||this.uniScaleTransform)&&!e.get("lockUniScaling")},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,n=(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this.setCursor(this.getCornerCursor(n,e,t)):this.setCursor(i)},getCornerCursor:function(t,i,r){return this.actionIsDisabled(t,i,r)?this.notAllowedCursor:t in e?this._getRotatedCornerCursor(t,i,r):"mtr"===t&&i.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(t,e,i){return"mt"===t||"mb"===t?i[this.altActionKey]?e.lockSkewingX:e.lockScalingY:"ml"===t||"mr"===t?i[this.altActionKey]?e.lockSkewingY:e.lockScalingX:"mtr"===t?e.lockRotation:this._isUniscalePossible(i,e)?e.lockScalingX&&e.lockScalingY:e.lockScalingX||e.lockScalingY},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.angle%360/45);return n<0&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&t[this.selectionKey]&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0)))&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject;if(i.contains(t)){if(i.removeWithUpdate(t),1===i.size())return void this.setActiveObject(i.item(0),e)}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e})},_createActiveSelection:function(t,e){var i=this._createGroup(t);this.setActiveObject(i,e),this.fire("selection:created",{target:i,e:e})},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)<e.indexOf(t),r=i?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new fabric.ActiveSelection(r,{canvas:this})},_groupSelectedObjects:function(t){var e=this._collectObjects();1===e.length?this.setActiveObject(e[0],t):e.length>1&&(e=new fabric.ActiveSelection(e.reverse(),{canvas:this}),this.setActiveObject(e,t),this.fire("selection:created",{target:e,e:t}),this.requestRenderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.width,s=this.height,o=(i.width||this.width)*r,a=(i.height||this.height)*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive,p=this.skipOffscreen;this.viewportTransform=d,this.skipOffscreen=!1,this.interactive=!1,n===o&&s===a||this.setDimensions({width:o,height:a}),this.renderAll();var v=this.__toDataURL(t,e,i);return this.interactive=g,this.skipOffscreen=p,this.viewportTransform=l,this.setDimensions({width:n,height:s}),v},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),n=this,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,this._enlivenObjects(r.objects,function(t){n.clear(),n._setBgOverlay(r,function(){t.forEach(function(t,e){n.insertAt(t,e)}),n.renderOnAddRemove=s,delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),n.renderAll(),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):(i[t]=!0,void(r&&r()))},_enlivenObjects:function(t,e,i){return t&&0!==t.length?void fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):void(e&&e([]))},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.width,e.height=this.height;var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode,c=2;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,dirty:!0,__corner:0,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor".split(" "),initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=e.cacheSideLimit,n=t.width,s=t.height,o=n/s,a=e.util.limitDimsByArea(o,i,r),h=e.util.capValue,c=e.maxCacheSideLimit,l=e.minCacheSideLimit,u=h(l,a.x,c),f=h(l,a.y,c);return n>u?(t.zoomX/=n/u,t.width=u):n<l&&(t.width=l),s>f?(t.zoomY/=s/f,t.height=f):s<l&&(t.height=l),t},_getCacheCanvasDimensions:function(){var t=this.canvas&&this.canvas.getZoom()||1,i=this.getObjectScaling(),r=this._getNonTransformedDimensions(),n=this.canvas&&this.canvas._isRetinaScaling()?e.devicePixelRatio:1,s=i.scaleX*t*n,o=i.scaleY*t*n,a=r.x*s,h=r.y*o;return{width:a+c,height:h+c,zoomX:s,zoomY:o}},_updateCacheCanvas:function(){if(this.noScaleCache&&this.canvas&&this.canvas._currentTransform){var t=this.canvas._currentTransform.action;if(t.slice&&"scale"===t.slice(0,5))return!1}var i=this._limitCacheSize(this._getCacheCanvasDimensions()),r=e.minCacheSideLimit,n=i.width,s=i.height,o=i.zoomX,a=i.zoomY,h=n!==this.cacheWidth||s!==this.cacheHeight,c=this.zoomX!==o||this.zoomY!==a,l=h||c,u=0,f=0,d=!1;if(h){var g=this._cacheCanvas.width,p=this._cacheCanvas.height,v=n>g||s>p,m=(n<.9*g||s<.9*p)&&g>r&&p>r;d=v||m,v&&(u=.1*n&-2,f=.1*s&-2)}return!!l&&(d?(this._cacheCanvas.width=Math.max(Math.ceil(n)+u,r),this._cacheCanvas.height=Math.max(Math.ceil(s)+f,r),this.cacheTranslationX=(n+u)/2,this.cacheTranslationY=(s+f)/2):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,this._cacheCanvas.width,this._cacheCanvas.height)),this.cacheWidth=n,this.cacheHeight=s,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(o,a),this.zoomX=o,this.zoomY=a,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t,e){this.group&&!this.group._transformDone&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),this.angle&&t.rotate(o(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),this.skewX&&t.transform(1,0,Math.tan(o(this.skewX)),1,0,0),this.skewY&&t.transform(1,Math.tan(o(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#<fabric."+s(this.type)+">"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,this.cacheProperties.indexOf(t)>-1&&(this.group&&this.group.set("dirty",!0),this.dirty=!0),this.group&&this.stateProperties.indexOf(t)>-1&&this.group.isOnACache()&&this.group.set("dirty",!0),"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},onDeselect:function(){},onSelect:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},needsItsOwnCache:function(){return!1},shouldCache:function(){return this.ownCaching=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n,s,a=this.getViewportTransform(),h=this.calcTransformMatrix();i=i||{},n="undefined"!=typeof i.hasBorders?i.hasBorders:this.hasBorders,s="undefined"!=typeof i.hasControls?i.hasControls:this.hasControls,h=e.util.multiplyTransformMatrices(a,h),r=e.util.qrDecompose(h),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),i.forActiveSelection?(t.rotate(o(r.angle)),n&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),n&&this.drawBorders(t,i)),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;return t.translate(r,n),i&&t.transform.apply(t,i),{offsetX:r,offsetY:n}},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),
+this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(){var t=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),t=e.util.transformPoint(t,this.transformMatrix)),this.transformMatrix=null,this.setPositionByOrigin(t,"center","center")},clone:function(t,i){var r=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.active,left:this.left,top:this.top};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s){var o=e[t];i=r(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){"undefined"!=typeof t[0]&&(i.fill=t[0]),"undefined"!=typeof t[1]&&(i.stroke=t[1]);var e=s?new o(i[s],i):new o(i);n&&n(e)})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getScaledWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r),s=fabric.Intersection.intersectPolygonRectangle(n,t,e);return"Intersection"===s.status},intersectsWithObject:function(t,e,i){var r=fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if(e=n[s],e.x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return!!this.containsPoint(o,null,!0)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y<t.y&&a.d.y<t.y||a.o.y>=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:t},scale:function(t){return t=this._constrainScale(t),t<0&&(this.flipX=!this.flipX,this.flipY=!this.flipY,t*=-1),this.scaleX=t,this.scaleY=t,this.setCoords()},scaleToWidth:function(t){var e=this.getBoundingRect().width/this.getScaledWidth();return this.scale(t/this.width/e)},scaleToHeight:function(t){var e=this.getBoundingRect().height/this.getScaledHeight();return this.scale(t/this.height/e)},calcCoords:function(t){var i=e(this.angle),r=this.getViewportTransform(),n=t?this._getTransformedDimensions():this._calculateCurrentDimensions(),s=n.x,o=n.y,a=Math.sin(i),h=Math.cos(i),c=s>0?Math.atan(o/s):0,l=s/Math.cos(c)/2,u=Math.cos(c+i)*l,f=Math.sin(c+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*h,p.y+s*a),m=new fabric.Point(p.x-o*a,p.y+o*h),b=new fabric.Point(g.x+u,g.y+f);if(!t)var y=new fabric.Point((p.x+m.x)/2,(p.y+m.y)/2),_=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point((b.x+v.x)/2,(b.y+v.y)/2),C=new fabric.Point((b.x+m.x)/2,(b.y+m.y)/2),S=new fabric.Point(_.x+a*this.rotatingPointOffset,_.y-h*this.rotatingPointOffset);var g={tl:p,tr:v,br:b,bl:m};return t||(g.ml=y,g.mt=_,g.mr=x,g.mb=C,g.mtr=S),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return 6.123233995736766e-17!==i&&i!==-1.8369701987210297e-16||(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(t){var e,r,n=this.getCenterPoint(),s=[1,0,0,1,n.x,n.y],o=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0);return r=this.group&&!t?i(this.group.calcTransformMatrix(),s):s,this.angle&&(e=this._calcRotateMatrix(),r=i(r,e)),r=i(r,o)},_calcDimensionsTransformMatrix:function(t,r,n){var s,o=this.scaleX*(n&&this.flipX?-1:1),a=this.scaleY*(n&&this.flipY?-1:1),h=[o,0,0,a,0,0];return t&&(s=[1,0,Math.tan(e(t)),1],h=i(h,s,!0)),r&&(s=[1,Math.tan(e(r)),0,1],h=i(h,s,!0)),h},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i<a.length;i++)a[i]=fabric.util.transformPoint(a[i],h);return r=fabric.util.makeBoundingBoxFromPoints(a),{x:r.width,y:r.height}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions(),i=fabric.util.transformPoint(e,t,!0);return i.scalarAdd(2*this.padding)}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new fabric.Color(e),r=t+": "+i.toRgb()+"; ",n=i.getAlpha();return 1!==n&&(r+=t+"-opacity: "+n.toString()+"; "),r}return t+": none; "}var e=fabric.Object.NUM_FRACTION_DIGITS,i=fabric.util.toFixed;fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule,r=this.strokeWidth?this.strokeWidth:"0",n=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",a=this.strokeMiterLimit?this.strokeMiterLimit:"4",h="undefined"!=typeof this.opacity?this.opacity:"1",c=this.visible?"":" visibility: hidden;",l=e?"":this.getSvgFilter(),u=t("fill",this.fill),f=t("stroke",this.stroke);return[f,"stroke-width: ",r,"; ","stroke-dasharray: ",n,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",a,"; ",u,"fill-rule: ",i,"; ","opacity: ",h,";",l,c].join("")},getSvgSpanStyles:function(e){var i=e.strokeWidth?"stroke-width: "+e.strokeWidth+"; ":"",r=e.fontFamily?"font-family: "+e.fontFamily.replace(/"/g,"'")+"; ":"",n=e.fontSize?"font-size: "+e.fontSize+"; ":"",s=e.fontStyle?"font-style: "+e.fontStyle+"; ":"",o=e.fontWeight?"font-weight: "+e.fontWeight+"; ":"",a=e.fill?t("fill",e.fill):"",h=e.stroke?t("stroke",e.stroke):"",c=this.getSvgTextDecoration(e);return[h,i,r,n,s,o,c,a].join("")},getSvgTextDecoration:function(t){return"overline"in t||"underline"in t||"linethrough"in t?"text-decoration: "+(t.overline?"overline ":"")+(t.underline?"underline ":"")+(t.linethrough?"line-through ":"")+";":""},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgId:function(){return this.id?'id="'+this.id+'" ':""},getSvgTransform:function(){var t=this.angle,e=this.skewX%360,r=this.skewY%360,n=this.getCenterPoint(),s=fabric.Object.NUM_FRACTION_DIGITS,o="translate("+i(n.x,s)+" "+i(n.y,s)+")",a=0!==t?" rotate("+i(t,s)+")":"",h=1===this.scaleX&&1===this.scaleY?"":" scale("+i(this.scaleX,s)+" "+i(this.scaleY,s)+")",c=0!==e?" skewX("+i(e,s)+")":"",l=0!==r?" skewY("+i(r,s)+")":"",u=this.flipX?" matrix(-1 0 0 1 0 0) ":"",f=this.flipY?" matrix(1 0 0 -1 0 0)":"";return[o,a,h,u,f,c,l].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_setSVGBg:function(t){this.backgroundColor&&t.push("\t\t<rect ",this._getFillAttributes(this.backgroundColor),' x="',i(-this.width/2,e),'" y="',i(-this.height/2,e),'" width="',i(this.width,e),'" height="',i(this.height,e),'"></rect>\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i,r){if(t===i)return!0;if(Array.isArray(t)){if(t.length!==i.length)return!1;for(var n=0,s=t.length;n<s;n++)if(!e(t[n],i[n]))return!1;return!0}if(t&&"object"==typeof t){var o,a=Object.keys(t);if(!r&&a.length!==Object.keys(i).length)return!1;for(var n=0,s=a.length;n<s;n++)if(o=a[n],!e(t[o],i[o]))return!1;return!0}}var i=fabric.util.object.extend,r="stateProperties";fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){t=t||r;var i="_"+t;return Object.keys(this[i]).length<this[t].length||!e(this[i],this,!0)},saveState:function(e){var i=e&&e.propertySet||r,n="_"+i;return this[n]?(t(this,n,this[i]),e&&e.stateProperties&&t(this,n,e.stateProperties),this):this.setupState(e)},setupState:function(t){t=t||{};var e=t.propertySet||r;return t.propertySet=e,this["_"+e]={},this.saveState(t),this}})}(),function(){var t=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||!this.active||this.group)return!1;var e,i,r=t.x,n=t.y;this.__corner=0;for(var s in this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),e=this._findCrossPoints({x:r,y:n},i),0!==e&&e%2===1))return this.__corner=s,s;return!1},_setCornerCoords:function(){var e,i,r=this.oCoords,n=t(45-this.angle),s=.707106*this.cornerSize,o=s*Math.cos(n),a=s*Math.sin(n);for(var h in r)e=r[h].x,i=r[h].y,r[h].corner={tl:{x:e-a,y:i-o},tr:{x:e+o,y:i-a},bl:{x:e-o,y:i+a},br:{x:e+a,y:i+o}}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||!this.active||this.canvas&&!this.canvas.interactive)return this;e.save();var i=this.getCenterPoint(),r=this._calculateCurrentDimensions(),n=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/n[0],1/n[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-r.x/2,-r.y/2,r.x,r.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=1/this.borderScaleFactor,n=i.x+r,s=i.y+r,o="undefined"!=typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,a="undefined"!=typeof e.hasControls?e.hasControls:this.hasControls,h="undefined"!=typeof e.rotatingPointOffset?e.rotatingPointOffset:this.rotatingPointOffset;if(t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),t.strokeRect(-n/2,-s/2,n,s),o&&this.isControlVisible("mtr")&&a){var c=-s/2;t.beginPath(),t.moveTo(0,c),t.lineTo(0,c-h),t.closePath(),t.stroke()}return t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var r=this._getNonTransformedDimensions(),n=fabric.util.customTransformMatrix(e.scaleX,e.scaleY,e.skewX),s=fabric.util.transformPoint(r,n),o=1/this.borderScaleFactor,a=s.x+o,h=s.y+o;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray,null),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-a/2,-h/2,a,h),t.restore(),this},drawControls:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),r=i.x,n=i.y,s=e.cornerSize||this.cornerSize,o=-(r+s)/2,a=-(n+s)/2,h="undefined"!=typeof e.transparentCorners?e.transparentCorners:this.transparentCorners,c="undefined"!=typeof e.hasRotatingPoint?e.hasRotatingPoint:this.hasRotatingPoint,l=h?"stroke":"fill";return t.save(),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray,null),this._drawControl("tl",t,l,o,a,e),this._drawControl("tr",t,l,o+r,a,e),this._drawControl("bl",t,l,o,a+n,e),this._drawControl("br",t,l,o+r,a+n,e),this.get("lockUniScaling")||(this._drawControl("mt",t,l,o+r/2,a,e),this._drawControl("mb",t,l,o+r/2,a+n,e),this._drawControl("mr",t,l,o+r,a+n/2,e),this._drawControl("ml",t,l,o,a+n/2,e)),c&&this._drawControl("mtr",t,l,o+r/2,a-this.rotatingPointOffset,e),t.restore(),this},_drawControl:function(t,e,i,r,n,s){if(s=s||{},this.isControlVisible(t)){var o=this.cornerSize,a=!this.transparentCorners&&this.cornerStrokeColor;switch(s.cornerStyle||this.cornerStyle){case"circle":e.beginPath(),e.arc(r+o/2,n+o/2,o/2,0,2*Math.PI,!1),e[i](),a&&e.stroke();break;default:this.transparentCorners||e.clearRect(r,n,o,o),e[i+"Rect"](r,n,o,o),a&&e.strokeRect(r,n,o,o)}}},isControlVisible:function(t){return this._getControlsVisibility()[t]},setControlVisible:function(t,e){return this._getControlsVisibility()[t]=e,this},setControlsVisibility:function(t){t||(t={});for(var e in t)this.setControlVisible(e,t[e]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({startValue:t.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),s.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}}),this},fxCenterObjectV:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({startValue:t.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),s.requestRenderAll(),n()},onComplete:function(){t.setCoords(),r()}}),this},fxRemove:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,n=e.onChange||i,s=this;return fabric.util.animate({startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onStart:function(){t.set("active",!1)},onChange:function(e){t.set("opacity",e),s.requestRenderAll(),n()},onComplete:function(){s.remove(t),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&"object"==typeof arguments[0]){var t,e,i=[];for(t in arguments[0])i.push(t);for(var r=0,n=i.length;r<n;r++)t=i[r],e=r!==n-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,i,r){var n,s=this;e=e.toString(),i=i?fabric.util.object.clone(i):{},~t.indexOf(".")&&(n=t.split("."));var o=n?this.get(n[0])[n[1]]:this.get(t);"from"in i||(i.from=o),e=~e.indexOf("=")?o+parseFloat(e.replace("=","")):parseFloat(e),fabric.util.animate({startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(s)},onChange:function(e,o,a){n?s[n[0]][n[1]]=e:s.set(t,e),r||i.onChange&&i.onChange(e,o,a)},onComplete:function(t,e,n){r||(s.setCoords(),i.onComplete&&i.onComplete(t,e,n))}})}}),function(t){"use strict";function e(t,e){var i=t.origin,r=t.axis1,n=t.axis2,s=t.dimension,o=e.nearest,a=e.center,h=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(r),this.get(n));case a:return Math.min(this.get(r),this.get(n))+.5*this.get(s);case h:return Math.max(this.get(r),this.get(n))}}}var i=t.fabric||(t.fabric={}),r=i.util.object.extend,n=i.util.object.clone,s={x1:1,x2:1,y1:1,y2:1},o=i.StaticCanvas.supports("setLineDash");if(i.Line)return void i.warn("fabric.Line is already defined");var a=i.Object.prototype.cacheProperties.concat();a.push("x1","x2","y1","y2"),i.Line=i.util.createClass(i.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:a,initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),"undefined"!=typeof s[t]&&this._setWidthHeight(),this},_getLeftToOriginX:e({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:e({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){if(t.beginPath(),!this.strokeDashArray||this.strokeDashArray&&o){var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2)}t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_renderDashedStroke:function(t){var e=this.calcLinePoints();t.beginPath(),i.util.drawDashedLine(t,e.x1,e.y1,e.x2,e.y2,this.strokeDashArray),t.closePath()},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return r(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,r=e*this.height*.5,n=t*this.width*-.5,s=e*this.height*-.5;return{x1:i,x2:n,y1:r,y2:s}},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.calcLinePoints();return e.push("<line ",this.getSvgId(),'x1="',i.x1,'" y1="',i.y1,'" x2="',i.x2,'" y2="',i.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e,n){n=n||{};var s=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];e(new i.Line(o,r(s,n)))},i.Line.fromObject=function(t,e){function r(t){delete t.points,e&&e(t)}var s=n(t,!0);s.points=[t.x1,t.y1,t.x2,t.y2],i.Object._fromObject("Line",s,r,"points")}}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;if(i.Circle)return void i.warn("fabric.Circle is already defined.");var s=i.Object.prototype.cacheProperties.concat();s.push("radius"),i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:s,initialize:function(t){this.callSuper("initialize",t),this.set("radius",t&&t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)e.push("<circle ",this.getSvgId(),'cx="'+i+'" cy="'+n+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('<path d="M '+o+" "+a," A "+this.radius+" "+this.radius," 0 ",+l+" 1"," "+h+" "+c,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r,s){s||(s={});var o=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(o))throw new Error("value of `r` attribute is required and can not be negative");o.left=(o.left||0)-o.radius,o.top=(o.top||0)-o.radius,r(new i.Circle(n(o,s)))},i.Circle.fromObject=function(t,e){return i.Object._fromObject("Circle",t,e)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){this.callSuper("initialize",t),this.set("width",t&&t.width||100).set("height",t&&t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("<polygon ",this.getSvgId(),'points="',n,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),t?t(e.join("")):e.join("")}}),void(e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;if(e.Ellipse)return void e.warn("fabric.Ellipse is already defined.");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return e.push("<ellipse ",this.getSvgId(),'cx="',i,'" cy="',r,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i,n){n||(n={});var s=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);s.left=(s.left||0)-s.rx,s.top=(s.top||0)-s.ry,i(new e.Ellipse(r(s,n)))},e.Ellipse.fromObject=function(t,i){return e.Object._fromObject("Ellipse",t,i)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("<rect ",this.getSvgId(),'x="',i,'" y="',r,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),t?t(e.join("")):e.join("")}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r,n){if(!t)return r(null);n=n||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0;var o=new e.Rect(i(n?e.util.object.clone(n):{},s));o.visible=o.visible&&o.width>0&&o.height>0,r(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}}("undefined"!=typeof exports?exports:this),
+function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.Object.NUM_FRACTION_DIGITS;if(e.Polyline)return void e.warn("fabric.Polyline is already defined");var a=e.Object.prototype.cacheProperties.concat();a.push("points"),e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,cacheProperties:a,initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e);var i=this._calcDimensions();"undefined"==typeof e.left&&(this.left=i.left),"undefined"==typeof e.top&&(this.top=i.top),this.width=i.width,this.height=i.height,this.pathOffset={x:i.left+this.width/2,y:i.top+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x")||0,i=r(t,"y")||0,s=n(t,"x")||0,o=n(t,"y")||0,a=s-e,h=o-i;return{left:e,top:i,width:a,height:h}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),a=0,h=this.points.length;a<h;a++)e.push(s(this.points[a].x-i,o),",",s(this.points[a].y-r,o)," ");return n.push("<",this.type," ",this.getSvgId(),'points="',e.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s<i;s++)e=this.points[s],t.lineTo(e.x-r,e.y-n);return!0},_render:function(t){this.commonRender(t)&&(this._renderFill(t),this._renderStroke(t))},_renderDashedStroke:function(t){var i,r;t.beginPath();for(var n=0,s=this.points.length;n<s;n++)i=this.points[n],r=this.points[n+1]||i,e.util.drawDashedLine(t,i.x,i.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElement=function(t,i,r){if(!t)return i(null);r||(r={});var n=e.parsePointsAttribute(t.getAttribute("points")),s=e.parseAttributes(t,e.Polyline.ATTRIBUTE_NAMES);i(new e.Polyline(n,e.util.object.extend(s,r)))},e.Polyline.fromObject=function(t,i){return e.Object._fromObject("Polyline",t,i,"points")}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;return e.Polygon?void e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Polyline,{type:"polygon",_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderFill(t),this._renderStroke(t))},_renderDashedStroke:function(t){this.callSuper("_renderDashedStroke",t),t.closePath()}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=function(t,r,n){if(!t)return r(null);n||(n={});var s=e.parsePointsAttribute(t.getAttribute("points")),o=e.parseAttributes(t,e.Polygon.ATTRIBUTE_NAMES);r(new e.Polygon(s,i(o,n)))},void(e.Polygon.fromObject=function(t,i){return e.Object._fromObject("Polygon",t,i,"points")}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,r=e.util.array.max,n=e.util.object.extend,s=Object.prototype.toString,o=e.util.drawArc,a={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},h={m:"l",M:"L"};if(e.Path)return void e.warn("fabric.Path is already defined");var c=e.Object.prototype.stateProperties.concat();c.push("path");var l=e.Object.prototype.cacheProperties.concat();l.push("path","fillRule"),e.Path=e.util.createClass(e.Object,{type:"path",path:null,cacheProperties:l,stateProperties:c,initialize:function(t,e){e=e||{},this.callSuper("initialize",e),t||(t=[]);var i="[object Array]"===s.call(t);this.path=i?t:t.match&&t.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi),this.path&&(i||(this.path=this._parsePath()),this._setPositionDimensions(e))},_setPositionDimensions:function(t){var e=this._parseDimensions();this.width=e.width,this.height=e.height,"undefined"==typeof t.left&&(this.left=e.left),"undefined"==typeof t.top&&(this.top=e.top),this.pathOffset=this.pathOffset||{x:e.left+this.width/2,y:e.top+this.height/2}},_renderPathCommands:function(t){var e,i,r,n=null,s=0,a=0,h=0,c=0,l=0,u=0,f=-this.pathOffset.x,d=-this.pathOffset.y;t.beginPath();for(var g=0,p=this.path.length;g<p;++g){switch(e=this.path[g],e[0]){case"l":h+=e[1],c+=e[2],t.lineTo(h+f,c+d);break;case"L":h=e[1],c=e[2],t.lineTo(h+f,c+d);break;case"h":h+=e[1],t.lineTo(h+f,c+d);break;case"H":h=e[1],t.lineTo(h+f,c+d);break;case"v":c+=e[1],t.lineTo(h+f,c+d);break;case"V":c=e[1],t.lineTo(h+f,c+d);break;case"m":h+=e[1],c+=e[2],s=h,a=c,t.moveTo(h+f,c+d);break;case"M":h=e[1],c=e[2],s=h,a=c,t.moveTo(h+f,c+d);break;case"c":i=h+e[5],r=c+e[6],l=h+e[3],u=c+e[4],t.bezierCurveTo(h+e[1]+f,c+e[2]+d,l+f,u+d,i+f,r+d),h=i,c=r;break;case"C":h=e[5],c=e[6],l=e[3],u=e[4],t.bezierCurveTo(e[1]+f,e[2]+d,l+f,u+d,h+f,c+d);break;case"s":i=h+e[3],r=c+e[4],null===n[0].match(/[CcSs]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.bezierCurveTo(l+f,u+d,h+e[1]+f,c+e[2]+d,i+f,r+d),l=h+e[1],u=c+e[2],h=i,c=r;break;case"S":i=e[3],r=e[4],null===n[0].match(/[CcSs]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.bezierCurveTo(l+f,u+d,e[1]+f,e[2]+d,i+f,r+d),h=i,c=r,l=e[1],u=e[2];break;case"q":i=h+e[3],r=c+e[4],l=h+e[1],u=c+e[2],t.quadraticCurveTo(l+f,u+d,i+f,r+d),h=i,c=r;break;case"Q":i=e[3],r=e[4],t.quadraticCurveTo(e[1]+f,e[2]+d,i+f,r+d),h=i,c=r,l=e[1],u=e[2];break;case"t":i=h+e[1],r=c+e[2],null===n[0].match(/[QqTt]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.quadraticCurveTo(l+f,u+d,i+f,r+d),h=i,c=r;break;case"T":i=e[1],r=e[2],null===n[0].match(/[QqTt]/)?(l=h,u=c):(l=2*h-l,u=2*c-u),t.quadraticCurveTo(l+f,u+d,i+f,r+d),h=i,c=r;break;case"a":o(t,h+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+h+f,e[7]+c+d]),h+=e[6],c+=e[7];break;case"A":o(t,h+f,c+d,[e[1],e[2],e[3],e[4],e[5],e[6]+f,e[7]+d]),h=e[6],c=e[7];break;case"z":case"Z":h=s,c=a,t.closePath()}n=e}},_render:function(t){this._renderPathCommands(t),this._renderFill(t),this._renderStroke(t)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(t){var e=n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left});return e},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n<s;n++)e.push(this.path[n].join(" "));var o=e.join(" ");return r=" translate("+-this.pathOffset.x+", "+-this.pathOffset.y+") ",i.push("<path ",this.getSvgId(),'d="',o,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),r,this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;l<u;l++){for(t=this.path[l],r=t.slice(1).trim(),o.length=0;i=c.exec(r);)o.push(i[0]);n=[t.charAt(0)];for(var f=0,d=o.length;f<d;f++)e=parseFloat(o[f]),isNaN(e)||n.push(e);var g=n[0],p=a[g.toLowerCase()],v=h[g]||g;if(n.length-1>p)for(var m=1,b=n.length;m<b;m+=p)s.push([g].concat(n.slice(m,m+p))),g=v;else s.push(n)}return s},_parseDimensions:function(){for(var t,n,s,o,a=[],h=[],c=null,l=0,u=0,f=0,d=0,g=0,p=0,v=0,m=this.path.length;v<m;++v){switch(t=this.path[v],t[0]){case"l":f+=t[1],d+=t[2],o=[];break;case"L":f=t[1],d=t[2],o=[];break;case"h":f+=t[1],o=[];break;case"H":f=t[1],o=[];break;case"v":d+=t[1],o=[];break;case"V":d=t[1],o=[];break;case"m":f+=t[1],d+=t[2],l=f,u=d,o=[];break;case"M":f=t[1],d=t[2],l=f,u=d,o=[];break;case"c":n=f+t[5],s=d+t[6],g=f+t[3],p=d+t[4],o=e.util.getBoundsOfCurve(f,d,f+t[1],d+t[2],g,p,n,s),f=n,d=s;break;case"C":g=t[3],p=t[4],o=e.util.getBoundsOfCurve(f,d,t[1],t[2],g,p,t[5],t[6]),f=t[5],d=t[6];break;case"s":n=f+t[3],s=d+t[4],null===c[0].match(/[CcSs]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,f+t[1],d+t[2],n,s),g=f+t[1],p=d+t[2],f=n,d=s;break;case"S":n=t[3],s=t[4],null===c[0].match(/[CcSs]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,t[1],t[2],n,s),f=n,d=s,g=t[1],p=t[2];break;case"q":n=f+t[3],s=d+t[4],g=f+t[1],p=d+t[2],o=e.util.getBoundsOfCurve(f,d,g,p,g,p,n,s),f=n,d=s;break;case"Q":g=t[1],p=t[2],o=e.util.getBoundsOfCurve(f,d,g,p,g,p,t[3],t[4]),f=t[3],d=t[4];break;case"t":n=f+t[1],s=d+t[2],null===c[0].match(/[QqTt]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,g,p,n,s),f=n,d=s;break;case"T":n=t[1],s=t[2],null===c[0].match(/[QqTt]/)?(g=f,p=d):(g=2*f-g,p=2*d-p),o=e.util.getBoundsOfCurve(f,d,g,p,g,p,n,s),f=n,d=s;break;case"a":o=e.util.getBoundsOfArc(f,d,t[1],t[2],t[3],t[4],t[5],t[6]+f,t[7]+d),f+=t[6],d+=t[7];break;case"A":o=e.util.getBoundsOfArc(f,d,t[1],t[2],t[3],t[4],t[5],t[6],t[7]),f=t[6],d=t[7];break;case"z":case"Z":f=l,d=u}c=t,o.forEach(function(t){a.push(t.x),h.push(t.y)}),a.push(f),h.push(d)}var b=i(a)||0,y=i(h)||0,_=r(a)||0,x=r(h)||0,C=_-b,S=x-y,w={left:b,top:y,width:C,height:S};return w}}),e.Path.fromObject=function(t,i){if("string"==typeof t.sourcePath){var r=t.sourcePath;e.loadSVGFromURL(r,function(e){var r=e[0];r.setOptions(t),i&&i(r)})}else e.Object._fromObject("Path",t,i,"path")},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),e.Path.fromElement=function(t,i,r){var s=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);i(new e.Path(s.d,n(s,r)))}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max;e.Group||(e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;if(e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),!i){var n=e&&e.centerPoint;n||this._calcBounds(),this._updateObjectsCoords(n),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsCoords:function(t){for(var t=t||this.getCenterPoint(),e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,r=t.top,n=!0,s=!0;t.set({left:i-e.x,top:r-e.y}),t.group=this,t.setCoords(n,s)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r?r:this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t,t)for(var e=0,i=this._objects.length;e<i;e++)if(this._objects[e].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(t){for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].render(t)},isCacheDirty:function(){if(this.callSuper("isCacheDirty"))return!0;if(!this.statefullCache)return!1;for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].isCacheDirty(!0)){if(this._cacheCanvas){var i=this.cacheWidth/this.zoomX,r=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-i/2,-r/2,i,r)}return!0}return!1},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(t){var i=t.calcTransformMatrix(),r=e.util.qrDecompose(i),n=new e.Point(r.translateX,r.translateY);return t.flipX=!1,t.flipY=!1,t.set("scaleX",r.scaleX),t.set("scaleY",r.scaleY),t.skewX=r.skewX,t.skewY=r.skewY,t.angle=r.angle,t.setPositionByOrigin(n,"center","center"),t},_restoreObjectState:function(t){return this.realizeTransform(t),t.setCoords(),delete t.group,this},destroy:function(){return this._restoreObjectsState()},toActiveSelection:function(){if(this.canvas){var t=this._objects,i=this.canvas;this._objects=[];var r=this.toObject();delete r.objects;var n=new e.ActiveSelection([]);return n.set(r),n.type="activeSelection",i.remove(this),t.forEach(function(t){t.group=n,t.dirty=!0,i.add(t)}),n.canvas=i,n._objects=t,i._activeObject=n,n.setCoords(),n}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){var t=!0,e=!0;return this.forEachObject(function(i){i.setCoords(t,e)}),this},_calcBounds:function(t){for(var e,i,r,n=[],s=[],o=["tr","br","bl","tl"],a=0,h=this._objects.length,c=o.length,l=!0;a<h;++a)for(e=this._objects[a],e.setCoords(l),r=0;r<c;r++)i=o[r],n.push(e.oCoords[i].x),s.push(e.oCoords[i].y);this.set(this._getBounds(n,s,t))},_getBounds:function(t,i,s){var o=new e.Point(r(t),r(i)),a=new e.Point(n(t),n(i)),h={width:a.x-o.x||0,height:a.y-o.y||0};return s||(h.left=o.x||0,h.top=o.y||0,"center"===this.originX&&(h.left+=h.width/2),"right"===this.originX&&(h.left+=h.width),"center"===this.originY&&(h.top+=h.height/2),"bottom"===this.originY&&(h.top+=h.height)),h},toSVG:function(t){var e=this._createBaseSVGMarkup();e.push("<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" style="',this.getSvgFilter(),'">\n');for(var i=0,r=this._objects.length;i<r;i++)e.push("\t",this._objects[i].toSVG(t));return e.push("</g>\n"),t?t(e.join("")):e.join("")}}),e.Group.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){var n=e.util.object.clone(t,!0);delete n.objects,i&&i(new e.Group(r,n,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.ActiveSelection||(e.ActiveSelection=e.util.createClass(e.Group,{type:"activeSelection",initialize:function(t,i){i=i||{},this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;i.originX&&(this.originX=i.originX),i.originY&&(this.originY=i.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,i),this.setCoords()},toGroup:function(){var t=this._objects;this._objects=[];var i=this.toObject(),r=new e.Group([]);if(delete i.objects,r.set(i),r.type="group",t.forEach(function(t){t.group=r,t.canvas.remove(t)}),r._objects=t,!this.canvas)return r;var n=this.canvas;return n.add(r),n._activeObject=r,r.setCoords(),r},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#<fabric.ActiveSelection: ("+this.complexity()+")>"},_set:function(t,i){var r=this._objects.length;if("canvas"===t)for(;r--;)this._objects[r].set(t,i);if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(t,i);e.Object.prototype._set.call(this,t,i)},shouldCache:function(){return!1},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t<e;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),i=i||{},"undefined"==typeof i.hasControls&&(i.hasControls=!1),"undefined"==typeof i.hasRotatingPoint&&(i.hasRotatingPoint=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;r<n;r++)this._objects[r]._renderControls(t,i);t.restore()}}),e.ActiveSelection.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){delete t.objects,i&&i(new e.ActiveSelection(r,t,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=fabric.util.object.extend;if(t.fabric||(t.fabric={}),t.fabric.Image)return void fabric.warn("fabric.Image is already defined.");var i=fabric.Object.prototype.stateProperties.concat();i.push("cropX","cropY"),fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",strokeWidth:0,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:i,objectCaching:!1,cacheKey:"",cropX:0,cropY:0,initialize:function(t,e){e||(e={}),this.filters=[],this.callSuper("initialize",e),this._initElement(t,e),this.cacheKey="texture"+fabric.Object.__uid++},getElement:function(){return this._element},setElement:function(t,e){return this._element=t,this._originalElement=t,this._initConfig(e),this.resizeFilter&&this.applyResizeFilters(),0!==this.filters.length&&this.applyFilters(),this},setCrossOrigin:function(t){return this.crossOrigin=t,this._element.crossOrigin=t,this},getOriginalSize:function(){var t=this.getElement();return{width:t.width,height:t.height}},_stroke:function(t){if(this.stroke&&0!==this.strokeWidth){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,-i),t.lineTo(e,-i),t.lineTo(e,i),t.lineTo(-e,i),t.lineTo(-e,-i),t.closePath()}},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,n=this.height;t.save(),this._setStrokeStyles(t,this),t.beginPath(),fabric.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i,e+r,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e+r,i+n,e,i+n,this.strokeDashArray),fabric.util.drawDashedLine(t,e,i+n,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){var i=[];this.filters.forEach(function(t){t&&i.push(t.toObject())});var r=e(this.callSuper("toObject",["crossOrigin","cropX","cropY"].concat(t)),{src:this.getSrc(),filters:i});return this.resizeFilter&&(r.resizeFilter=this.resizeFilter.toObject()),r.width/=this._filterScalingX,r.height/=this._filterScalingY,r},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;if(e.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',"\t<image ",this.getSvgId(),'xlink:href="',this.getSvgSrc(!0),'" x="',i,'" y="',r,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'"></image>\n'),this.stroke||this.strokeDashArray){var n=this.fill;this.fill=null,e.push("<rect ",'x="',i,'" y="',r,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=n}return e.push("</g>\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX<i?this.scaleX:1,n=this.scaleY<i?this.scaleY:1;if(r*e<1&&(r*=e),n*e<1&&(n*=e),!t||r>=1&&n>=1)return void(this._element=this._filteredEl);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s,o=this._filteredEl||this._originalElement;if(this._element===this._originalElement){var a=fabric.util.createCanvasElement();a.width=o.width,a.height=o.height,this._element=a}var h=this._element.getContext("2d");o.getContext?s=o.getContext("2d").getImageData(0,0,o.width,o.height):(h.drawImage(o,0,0),s=h.getImageData(0,0,o.width,o.height));var c={imageData:s,scaleX:r,scaleY:n};t.applyTo2d(c),this.width=this._element.width=c.imageData.width,this.height=this._element.height=c.imageData.height,h.putImageData(c.imageData,0,0)},applyFilters:function(t){if(t=t||this.filters||[],t=t.filter(function(t){return t}),0===t.length)return this._element=this._originalElement,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=e.width,n.height=e.height,this._element=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this.width===this._element.width&&this.height===this._element.height||(this._filterScalingX=this._element.width/this.width,this._filterScalingY=this._element.height/this.height,this.width=this._element.width,this.height=this._element.height),this},_render:function(t){var e,i=-this.width/2,r=-this.height/2;this.isMoving===!1&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),e=this._element,e&&t.drawImage(e,this.cropX,this.cropY,this.width,this.height,i,r,this.width,this.height),this._stroke(t),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0},parsePreserveAspectRatioAttribute:function(){if(this.preserveAspectRatio){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio),i=this._element.width,r=this._element.height,n=this.width,s=this.height,o={width:n,height:s};!e||"none"===e.alignX&&"none"===e.alignY?(this.scaleX=n/i,this.scaleY=s/r):("meet"===e.meetOrSlice&&(this.width=i,this.height=r,this.scaleX=this.scaleY=t=fabric.util.findScaleToFit(this._element,o),"Mid"===e.alignX&&(this.left+=(n-i*t)/2),"Max"===e.alignX&&(this.left+=n-i*t),"Mid"===e.alignY&&(this.top+=(s-r*t)/2),"Max"===e.alignY&&(this.top+=s-r*t)),"slice"===e.meetOrSlice&&(this.scaleX=this.scaleY=t=fabric.util.findScaleToCover(this._element,o),this.width=n/t,this.height=s/t,"Mid"===e.alignX&&(this.cropX=(i-this.width)/2),"Max"===e.alignX&&(this.cropX=i-this.width),"Mid"===e.alignY&&(this.cropY=(r-this.height)/2),"Max"===e.alignY&&(this.cropY=r-this.height)))}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i,r){return r?void(e&&e(null,r)):void fabric.Image.prototype._initFilters.call(t,t.filters,function(r){t.filters=r||[],fabric.Image.prototype._initFilters.call(t,[t.resizeFilter],function(r){t.resizeFilter=r[0];var n=new fabric.Image(i,t);e(n)})})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,i,r){var n=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(n["xlink:href"],i,e(r?fabric.util.object.clone(r):{},n))}}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.rotate(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),r=!1;return i&&(fabric.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),r=fabric.maxTextureSize>=t),this.isSupported=r,r},fabric.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.squareVertices=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r="undefined"!=typeof window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var n="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(r&&i&&n&&s){var o,a,h,c=fabric.util.createCanvasElement(),l=new ArrayBuffer(t*e*4),u={imageBuffer:l};c.width=t,c.height=e,o=window.performance.now(),copyGLTo2DDrawImage.call(u,this.gl,c),a=window.performance.now()-o,o=window.performance.now(),copyGLTo2DPutImageData.call(u,this.gl,c),h=window.performance.now()-o,a>h?(this.imageBuffer=l,this.copyGLTo2D=copyGLTo2DPutImageData):this.copyGLTo2D=copyGLTo2DDrawImage}},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={premultipliedAlpha:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,squareVertices:this.squareVertices,programCache:this.programCache,pass:0,filterBackend:this},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),this.copyGLTo2D(a,n),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),h=o.getError();if(h!==o.NO_ERROR){var c=this.glErrorToString(o,h),l=new Error("WebGL Error "+c);throw l.glErrorCode=h,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:copyGLTo2DDrawImage,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i,i}}}(),function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o=s.getImageData(0,0,i,r),a=s.getImageData(0,0,i,r),h={sourceWidth:i,sourceHeight:r,imageData:o,originalEl:e,originalImageData:a,canvasEl:n,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(h)}),h.imageData.width===i&&h.imageData.height===r||(n.width=h.imageData.width,n.height=h.imageData.height),s.putImageData(h.imageData,0,0),h}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aTexCoord;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){if(this.vertexSource&&this.fragmentSource){var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i||this.vertexSource),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error('Vertex shader compile error for "${this.type}": '+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e||this.fragmentSource),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error('Fragment shader compile error for "${this.type}": '+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition"),
+aTexCoord:t.getAttribLocation(e,"aTexCoord")}},getUniformLocations:function(){},sendAttributeData:function(t,e,i){["aPosition","aTexCoord"].forEach(function(r){var n=e[r],s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)})},_setupFrameBuffer:function(t){var e=t.context;t.passes>1?e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0):(e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(t.passes>1&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.squareVertices),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.sourceWidth,t.sourceHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData,a=o.data,h=a.length,c=this.matrix,l=this.colorsOnly;for(s=0;s<h;s+=4)e=a[s],i=a[s+1],r=a[s+2],l?(a[s]=e*c[0]+i*c[1]+r*c[2]+255*c[4],a[s+1]=e*c[5]+i*c[6]+r*c[7]+255*c[9],a[s+2]=e*c[10]+i*c[11]+r*c[12]+255*c[14]):(n=a[s+3],a[s]=e*c[0]+i*c[1]+r*c[2]+n*c[3]+255*c[4],a[s+1]=e*c[5]+i*c[6]+r*c[7]+n*c[8]+255*c[9],a[s+2]=e*c[10]+i*c[11]+r*c[12]+n*c[13]+255*c[14],a[s+3]=e*c[15]+i*c[16]+r*c[17]+n*c[18]+255*c[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var i=this.matrix,r=[i[0],i[1],i[2],i[3],i[5],i[6],i[7],i[8],i[10],i[11],i[12],i[13],i[15],i[16],i[17],i[18]],n=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,r),t.uniform4fv(e.uConstants,n)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Brightness=r(i.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += uBrightness;\ngl_FragColor = color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(t){if(0!==this.brightness){var e,i=t.imageData,r=i.data,n=r.length,s=Math.round(255*this.brightness);for(e=0;e<n;e+=4)r[e]=r[e]+s,r[e+1]=r[e+1]+s,r[e+2]=r[e+2]+s}},getUniformLocations:function(t,e){return{uBrightness:t.getUniformLocation(e,"uBrightness")}},sendUniformData:function(t,e){t.uniform1f(e.uBrightness,this.brightness)}}),e.Image.filters.Brightness.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Convolute=n(r.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),i=this.type+"_"+e+"_"+this.opaque?1:0,r=this.fragmentSource[i];return t.programCache.hasOwnProperty(i)||(t.programCache[i]=this.createProgram(t.context,r)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,s,o,a,h,c,l,u,f,d,g=t.imageData,p=g.data,v=this.matrix,m=Math.round(Math.sqrt(v.length)),b=Math.floor(m/2),y=g.width,_=g.height,x=t.ctx.createImageData(y,_),C=x.data,S=this.opaque?1:0;for(u=0;u<_;u++)for(l=0;l<y;l++){for(s=4*(u*y+l),e=0,i=0,r=0,n=0,d=0;d<m;d++)for(f=0;f<m;f++)a=u+d-b,o=l+f-b,a<0||a>_||o<0||o>y||(h=4*(a*y+o),c=v[d*m+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,S||(n+=p[h+3]*c));C[s]=e,C[s+1]=i,C[s+2]=r,S?C[s+3]=p[s+3]:C[s+3]=n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.mode;for(e=0;e<s;e+=4)"average"===o?i=(n[e]+n[e+1]+n[e+2])/3:"lightness"===o?i=(Math.min(n[e],n[e+1],n[e+2])+Math.max(n[e],n[e+1],n[e+2]))/2:"luminosity"===o&&(i=.21*n[e]+.72*n[e+1]+.07*n[e+2]),n[e]=i,n[e+1]=i,n[e+2]=i},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},getUniformLocations:function(t,e){return{uMode:t.getUniformLocation(e,"uMode")}},sendUniformData:function(t,e){var i=1;t.uniform1i(e.uMode,i)}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Invert=r(i.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nif (uInvert == 1) {\ngl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor = color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(t){if(this.invert){var e,i=t.imageData,r=i.data,n=r.length;for(e=0;e<n;e+=4)r[e]=255-r[e],r[e+1]=255-r[e+1],r[e+2]=255-r[e+2]}},getUniformLocations:function(t,e){return{uInvert:t.getUniformLocation(e,"uInvert")}},sendUniformData:function(t,e){t.uniform1i(e.uInvert,this.invert)}}),e.Image.filters.Invert.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Noise=n(r.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.noise;for(e=0,s=n.length;e<s;e+=4)i=(.5-Math.random())*o,n[e]+=i,n[e+1]+=i,n[e+2]+=i}},getUniformLocations:function(t,e){return{uNoise:t.getUniformLocation(e,"uNoise"),uSeed:t.getUniformLocation(e,"uSeed")}},sendUniformData:function(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Pixelate=r(i.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW = uBlocksize * uStepW;\nfloat blockH = uBlocksize * uStepW;\nint posX = int(vTexCoord.x / blockW);\nint posY = int(vTexCoord.y / blockH);\nfloat fposX = float(posX);\nfloat fposY = float(posY);\nvec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\nvec4 color = texture2D(uTexture, squareCoords);\ngl_FragColor = color;\n}",applyTo2d:function(t){if(1!==this.blocksize){var e,i,r,n,s,o,a,h,c,l,u,f=t.imageData,d=f.data,g=f.height,p=f.width;for(i=0;i<g;i+=this.blocksize)for(r=0;r<p;r+=this.blocksize)for(e=4*i*p+4*r,n=d[e],s=d[e+1],o=d[e+2],a=d[e+3],l=Math.min(i+this.blocksize,g),u=Math.min(r+this.blocksize,p),h=i;h<l;h++)for(c=r;c<u;c++)e=4*h*p+4*c,d[e]=n,d[e+1]=s,d[e+2]=o,d[e+3]=a}},getUniformLocations:function(t,e){return{uBlocksize:t.getUniformLocation(e,"uBlocksize"),uStepW:t.getUniformLocation(e,"uStepW"),uStepH:t.getUniformLocation(e,"uStepH")}},sendUniformData:function(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}),e.Image.filters.Pixelate.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.RemoveColor=n(r.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a = 0.0;\n}\n}",distance:.02,useAlpha:!1,applyTo2d:function(t){var i,r,n,s,o=t.imageData,a=o.data,h=255*this.distance,c=new e.Color(this.color).getSource(),l=[c[0]-h,c[1]-h,c[2]-h],u=[c[0]+h,c[1]+h,c[2]+h];for(i=0;i<a.length;i+=4)r=a[i],n=a[i+1],s=a[i+2],r>l[0]&&n>l[1]&&s>l[2]&&r<u[0]&&n<u[1]&&s<u[2]&&(a[i+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource(),n=parseFloat(this.distance),s=[0+r[0]/255-n,0+r[1]/255-n,0+r[2]/255-n,1],o=[r[0]/255+n,r[1]/255+n,r[2]/255+n,1];t.uniform4fv(i.uLow,s),t.uniform4fv(i.uHigh,o)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,distance:this.distance})}}),e.Image.filters.RemoveColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass,n={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]};for(var s in n)i[s]=r(i.ColorMatrix,{type:s,matrix:n[s],mainParameter:!1,colorsOnly:!0}),e.Image.filters[s].fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendColor=r(i.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb *= uColor.rgb;\ngl_FragColor = color;\n}",screen:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb = 1.0 - (1.0 - color.rgb) * (1.0 - uColor.rgb);\ngl_FragColor = color;\n}",add:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb += uColor.rgb;\n}",diff:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\n}",subtract:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb -= uColor.rgb;\n}",lighten:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\n}",darken:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\n}",exclusion:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n}",overlay:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif (uColor.r < 0.5) {\ngl_FragColor.r *= 2.0 * uColor.r;\n} else {\ngl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g < 0.5) {\ngl_FragColor.g *= 2.0 * uColor.g;\n} else {\ngl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b < 0.5) {\ngl_FragColor.b *= 2.0 * uColor.b;\n} else {\ngl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n}",tint:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\ngl_FragColor.rgb *= (1.0 - uColor.a);\ngl_FragColor.rgb += uColor.rgb;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyTo2d:function(t){var i,r,n,s,o,a,h,c=t.imageData,l=c.data,u=l.length,f=1-this.alpha;h=new e.Color(this.color).getSource(),i=h[0]*this.alpha,r=h[1]*this.alpha,n=h[2]*this.alpha;for(var d=0;d<u;d+=4)switch(s=l[d],o=l[d+1],a=l[d+2],this.mode){case"multiply":l[d]=s*i/255,l[d+1]=o*r/255,l[d+2]=a*n/255;break;case"screen":l[d]=255-(255-s)*(255-i)/255,l[d+1]=255-(255-o)*(255-r)/255,l[d+2]=255-(255-a)*(255-n)/255;break;case"add":l[d]=s+i,l[d+1]=o+r,l[d+2]=a+n;break;case"diff":case"difference":l[d]=Math.abs(s-i),l[d+1]=Math.abs(o-r),l[d+2]=Math.abs(a-n);break;case"subtract":l[d]=s-i,l[d+1]=o-r,l[d+2]=a-n;break;case"darken":l[d]=Math.min(s,i),l[d+1]=Math.min(o,r),l[d+2]=Math.min(a,n);break;case"lighten":l[d]=Math.max(s,i),l[d+1]=Math.max(o,r),l[d+2]=Math.max(a,n);break;case"overlay":l[d]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,l[d+1]=r<128?2*o*r/255:255-2*(255-o)*(255-r)/255,l[d+2]=n<128?2*a*n/255:255-2*(255-a)*(255-n)/255;break;case"exclusion":l[d]=i+s-2*i*s/255,l[d+1]=r+o-2*r*o/255,l[d+2]=n+a-2*n*a/255;break;case"tint":l[d]=i+s*f,l[d+1]=r+o*f,l[d+2]=n+a*f}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,i){var r=new e.Color(this.color).getSource();r[0]=this.alpha*r[0]/255,r[1]=this.alpha*r[1]/255,r[2]=this.alpha*r[2]/255,r[3]=this.alpha,t.uniform4fv(i.uColor,r)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendColor.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric,i=e.Image.filters,r=e.util.createClass;i.BlendImage=r(i.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord = aTexCoord;\nvTexCoord2 = (uTransformMatrix * vec3(aTexCoord, 1.0)).xy;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.rgba *= color2.rgba;\ngl_FragColor = color;\n}",mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.a = color2.a;\ngl_FragColor = color;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),this.callSuper("applyToWebGL",t),this.unbindAdditionalTexture(e,e.TEXTURE1)},createTexture:function(t,e){return t.getCachedTexture(e.cacheKey,e._element)},calculateMatrix:function(){var t=this.image,e=t._element.width,i=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]},applyTo2d:function(t){var e,i,r,n,s,o,a,h,c,l,u,f=t.imageData,d=t.filterBackend.resources,g=f.data,p=g.length,v=t.imageData.width,m=t.imageData.height,b=this.image;d.blendImage||(d.blendImage=document.createElement("canvas")),c=d.blendImage,c.width===v&&c.height===m||(c.width=v,c.height=m),l=c.getContext("2d"),l.setTransform(b.scaleX,0,0,b.scaleY,b.left,b.top),l.drawImage(b._element,0,0,v,m),u=l.getImageData(0,0,v,m).data;for(var y=0;y<p;y+=4)switch(s=g[y],o=g[y+1],a=g[y+2],h=g[y+3],e=u[y],i=u[y+1],r=u[y+2],n=u[y+3],this.mode){case"multiply":g[y]=s*e/255,g[y+1]=o*i/255,g[y+2]=a*r/255,g[y+3]=h*n/255;break;case"mask":g[y+3]=n}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendImage.fromObject=function(t,i){e.Image.fromObject(t.image,function(r){var n=e.util.object.clone(t);n.image=r,i(new e.Image.filters.BlendImage(n))})}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.pow,r=Math.floor,n=Math.sqrt,s=Math.abs,o=Math.round,a=Math.sin,h=Math.ceil,c=e.Image.filters,l=e.util.createClass;c.Resize=l(c.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:0,scaleY:0,lanczosLobes:3,applyTo2d:function(t){var e=t.imageData,i=t.scaleX||this.scaleX,r=t.scaleY||this.scaleY;if(1!==i||1!==r){this.rcpScaleX=1/i,this.rcpScaleY=1/r;var n,s=e.width,a=e.height,h=o(s*i),c=o(a*r);"sliceHack"===this.resizeType?n=this.sliceByTwo(t,s,a,h,c):"hermite"===this.resizeType?n=this.hermiteFastResize(t,s,a,h,c):"bilinear"===this.resizeType?n=this.bilinearFiltering(t,s,a,h,c):"lanczos"===this.resizeType&&(n=this.lanczosResize(t,s,a,h,c)),t.imageData=n}},sliceByTwo:function(t,i,n,s,o){var a,h,c=t.imageData,l=.5,u=!1,f=!1,d=i*l,g=n*l,p=e.filterBackend.resources,v=0,m=0,b=i,y=0;for(p.sliceByTwo||(p.sliceByTwo=document.createElement("canvas")),a=p.sliceByTwo,(a.width<1.5*i||a.height<n)&&(a.width=1.5*i,a.height=n),h=a.getContext("2d"),h.clearRect(0,0,1.5*i,n),h.putImageData(c,0,0),s=r(s),o=r(o);!u||!f;)i=d,n=g,s<r(d*l)?d=r(d*l):(d=s,u=!0),o<r(g*l)?g=r(g*l):(g=o,f=!0),h.drawImage(a,v,m,i,n,b,y,d,g),v=b,m=y,y+=g;return h.getImageData(v,m,s,o)},lanczosResize:function(t,e,o,c,l){function u(t){return function(e){if(e>t)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return a(e)*a(i)/e/i}}function f(t){var a,h,u,O,k,D,E,j,A,M,P;for(w.x=(t+.5)*m,T.x=r(w.x),a=0;a<l;a++){for(w.y=(a+.5)*b,T.y=r(w.y),k=0,D=0,E=0,j=0,A=0,h=T.x-x;h<=T.x+x;h++)if(!(h<0||h>=e)){M=r(1e3*s(h-w.x)),S[M]||(S[M]={});for(var F=T.y-C;F<=T.y+C;F++)F<0||F>=o||(P=r(1e3*s(F-w.y)),S[M][P]||(S[M][P]=v(n(i(M*y,2)+i(P*_,2))/1e3)),u=S[M][P],u>0&&(O=4*(F*e+h),k+=u,D+=u*d[O],E+=u*d[O+1],j+=u*d[O+2],A+=u*d[O+3]))}O=4*(a*c+t),p[O]=D/k,p[O+1]=E/k,p[O+2]=j/k,p[O+3]=A/k}return++t<c?f(t):g}var d=t.imageData.data,g=t.ctx.creteImageData(c,l),p=g.data,v=u(this.lanczosLobes),m=this.rcpScaleX,b=this.rcpScaleY,y=2/this.rcpScaleX,_=2/this.rcpScaleY,x=h(m*this.lanczosLobes/2),C=h(b*this.lanczosLobes/2),S={},w={},T={};return f(0)},bilinearFiltering:function(t,e,i,n,s){var o,a,h,c,l,u,f,d,g,p,v,m,b,y=0,_=this.rcpScaleX,x=this.rcpScaleY,C=4*(e-1),S=t.imageData,w=S.data,T=t.ctx.createImageData(n,s),O=T.data;for(f=0;f<s;f++)for(d=0;d<n;d++)for(l=r(_*d),u=r(x*f),g=_*d-l,p=x*f-u,b=4*(u*e+l),v=0;v<4;v++)o=w[b+v],a=w[b+4+v],h=w[b+C+v],c=w[b+C+4+v],m=o*(1-g)*(1-p)+a*g*(1-p)+h*p*(1-g)+c*g*p,O[y++]=m;return T},hermiteFastResize:function(t,e,i,o,a){for(var c=this.rcpScaleX,l=this.rcpScaleY,u=h(c/2),f=h(l/2),d=t.imageData,g=d.data,p=t.ctx.createImageData(o,a),v=p.data,m=0;m<a;m++)for(var b=0;b<o;b++){for(var y=4*(b+m*o),_=0,x=0,C=0,S=0,w=0,T=0,O=0,k=(m+.5)*l,D=r(m*l);D<(m+1)*l;D++)for(var E=s(k-(D+.5))/f,j=(b+.5)*c,A=E*E,M=r(b*c);M<(b+1)*c;M++){var P=s(j-(M+.5))/u,F=n(A+P*P);F>1&&F<-1||(_=2*F*F*F-3*F*F+1,_>0&&(P=4*(M+D*e),O+=_*g[P+3],C+=_,g[P+3]<255&&(_=_*g[P+3]/250),S+=_*g[P],w+=_*g[P+1],T+=_*g[P+2],x+=_))}v[y]=S/x,v[y+1]=w/x,v[y+2]=T/x,v[y+3]=O/C}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,r=t.imageData,n=r.data,i=n.length,s=Math.floor(255*this.contrast),o=259*(s+255)/(255*(259-s));for(e=0;e<i;e+=4)n[e]=o*(n[e]-128)+128,n[e+1]=o*(n[e+1]-128)+128,n[e+2]=o*(n[e+2]-128)+128}},getUniformLocations:function(t,e){return{uContrast:t.getUniformLocation(e,"uContrast")}},sendUniformData:function(t,e){t.uniform1f(e.uContrast,this.contrast)}}),e.Image.filters.Contrast.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Saturation=r(i.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat rgMax = max(color.r, color.g);\nfloat rgbMax = max(rgMax, color.b);\ncolor.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor = color;\n}",saturation:0,mainParameter:"saturation",applyTo2d:function(t){if(0!==this.saturation){var e,i,r=t.imageData,n=r.data,s=n.length,o=-this.saturation;for(e=0;e<s;e+=4)i=Math.max(n[e],n[e+1],n[e+2]),n[e]+=i!==n[e]?(i-n[e])*o:0,n[e+1]+=i!==n[e+1]?(i-n[e+1])*o:0,n[e+2]+=i!==n[e+2]?(i-n[e+2])*o:0}},getUniformLocations:function(t,e){return{uSaturation:t.getUniformLocation(e,"uSaturation")}},sendUniformData:function(t,e){t.uniform1f(e.uSaturation,-this.saturation)}}),e.Image.filters.Saturation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Blur=r(i.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples = 15.0;\nvec3 v3offset = vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color = vec4(0.0);\nfloat total = 0.0;\nfloat offset = random(v3offset);\nfor (float t = -nSamples; t <= nSamples; t++) {\nfloat percent = (t + offset - 0.5) / nSamples;\nfloat weight = 1.0 - abs(percent);\ncolor += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal += weight;\n}\ngl_FragColor = color / total;\n}",blur:0,mainParameter:"blur",applyTo:function(t){t.webgl?(this.aspectRatio=t.sourceWidth/t.sourceHeight,
+t.passes++,this._setupFrameBuffer(t),this.horizontal=!0,this.applyToWebGL(t),this._swapTextures(t),this._setupFrameBuffer(t),this.horizontal=!1,this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},applyTo2d:function(t){t.imageData=this.simpleBlur(t)},simpleBlur:function(t){var e,i,r=t.filterBackend.resources,n=t.imageData.width,s=t.imageData.height;r.blurLayer1||(r.blurLayer1=document.createElement("canvas"),r.blurLayer2=document.createElement("canvas")),e=r.blurLayer1,i=r.blurLayer2,e.width===n&&e.height===s||(i.width=e.width=n,i.height=e.height=s);var o,a,h,c,l=e.getContext("2d"),u=i.getContext("2d"),f=15,d=.06*this.blur*.5;for(l.putImageData(t.imageData,0,0),u.clearRect(0,0,n,s),c=-f;c<=f;c++)o=(Math.random()-.5)/4,a=c/f,h=d*a*n+o,u.globalAlpha=1-Math.abs(a),u.drawImage(e,h,o),l.drawImage(i,0,0),u.globalAlpha=1,u.clearRect(0,0,i.width,i.height);for(c=-f;c<=f;c++)o=(Math.random()-.5)/4,a=c/f,h=d*a*s+o,u.globalAlpha=1-Math.abs(a),u.drawImage(e,o,h),l.drawImage(i,0,0),u.globalAlpha=1,u.clearRect(0,0,i.width,i.height);t.ctx.drawImage(e,0,0);var g=t.ctx.getImageData(0,0,e.width,e.height);return l.globalAlpha=1,l.clearRect(0,0,e.width,e.height),g},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var i=this.chooseRightDelta();t.uniform2fv(e.delta,i)},chooseRightDelta:function(){var t,e=1,i=[0,0];return this.horizontal?this.aspectRatio>1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=this.gamma,s=r.length,o=1/n[0],a=1/n[1],h=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,s=256;e<s;e++)this.rVals[e]=255*Math.pow(e/255,o),this.gVals[e]=255*Math.pow(e/255,a),this.bVals[e]=255*Math.pow(e/255,h);for(e=0,s=r.length;e<s;e+=4)r[e]=this.rVals[r[e]],r[e+1]=this.gVals[r[e+1]],r[e+2]=this.bVals[r[e+2]]},getUniformLocations:function(t,e){return{uGamma:t.getUniformLocation(e,"uGamma")}},sendUniformData:function(t,e){t.uniform3fv(e.uGamma,this.gamma)}}),e.Image.filters.Gamma.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Composed=r(i.BaseFilter,{type:"Composed",subFilters:[],initialize:function(t){this.callSuper("initialize",t),this.subFilters=this.subFilters.slice(0)},applyTo:function(t){t.passes+=this.subFilters.length-1,this.subFilters.forEach(function(e){e.applyTo(t)})},toObject:function(){return e.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map(function(t){return t.toObject()})})}}),e.Image.filters.Composed.fromObject=function(t,i){var r=t.subFilters||[],n=r.map(function(t){return new e.Image.filters[t.type](t)}),s=new e.Image.filters.Composed({subFilters:n});return i&&i(s),s}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.HueRotation=r(i.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var t=this.rotation*Math.PI,e=Math.cos(t),i=Math.sin(t),r=1/3,n=Math.sqrt(r)*i,s=1-e;this.matrix=[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],this.matrix[0]=e+s/3,this.matrix[1]=r*s-n,this.matrix[2]=r*s+n,this.matrix[5]=r*s+n,this.matrix[6]=e+r*s,this.matrix[7]=r*s-n,this.matrix[10]=r*s-n,this.matrix[11]=r*s+n,this.matrix[12]=e+r*s},applyTo:function(t){this.calculateMatrix(),e.Image.filters.BaseFilter.prototype.applyTo.call(this,t)}}),e.Image.filters.HueRotation.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone,r=2,n=200;if(e.Text)return void e.warn("fabric.Text is already defined");var s=e.Object.prototype.stateProperties.concat();s.push("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles");var o=e.Object.prototype.cacheProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","underline","overline","linethrough","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles"),e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles"],_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:"left",fontStyle:"normal",lineHeight:1.16,textBackgroundColor:"",stateProperties:s,cacheProperties:o,stroke:null,shadow:null,_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,_styleProperties:["stroke","strokeWidth","fill","fontFamily","fontSize","fontWeight","fontStyle","underline","overline","linethrough","textBackgroundColor"],__charBounds:[],initialize:function(t,e){this.styles=e?e.styles||{}:{},this.text=t,this.__skipDimension=!0,this.callSuper("initialize",e),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:"_dimensionAffectingProps"})},getMeasuringContext:function(){return e._measuringContext||(e._measuringContext=this.canvas&&this.canvas.contextCache||e.util.createCanvasElement().getContext("2d")),e._measuringContext},isEmptyStyles:function(t){if(!this.styles)return!0;if("undefined"!=typeof t&&!this.styles[t])return!0;var e="undefined"==typeof t?this.styles:{line:this.styles[t]};for(var i in e)for(var r in e[i])for(var n in e[i][r])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if("undefined"!=typeof e&&!this.styles[e])return!1;var i="undefined"==typeof e?this.styles:{line:this.styles[e]};for(var r in i)for(var n in i[r])if("undefined"!=typeof i[r][n][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,r=this.styles,n=0,s=!1,o=!0,a=0;for(var h in r){e=0;for(var c in r[h])n++,s?r[h][c][t]!==i&&(o=!1):(i=r[h][c][t],s=!0),r[h][c][t]===this[t]&&delete r[h][c][t],0!==Object.keys(r[h][c]).length?e++:delete r[h][c];0===e&&delete r[h]}for(var l=0;l<this._textLines.length;l++)a+=this._textLines[l].length;o&&n===a&&(this[t]=i,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,i,r,n=this.styles;for(i in n){e=n[i];for(r in e)delete e[r][t],0===Object.keys(e[r]).length&&delete e[r];0===Object.keys(e).length&&delete n[i]}}},_extendStyles:function(t,i){var r=this.get2DCursorLocation(t);this._getLineStyle(r.lineIndex)||this._setLineStyle(r.lineIndex,{}),this._getStyleDeclaration(r.lineIndex,r.charIndex)||this._setStyleDeclaration(r.lineIndex,r.charIndex,{}),e.util.object.extend(this._getStyleDeclaration(r.lineIndex,r.charIndex),i)},initDimensions:function(){if(!this.__skipDimension){var t=this._splitTextIntoLines(this.text);this.textLines=t.lines,this._unwrappedTextLines=t._unwrappedLines,this._textLines=t.graphemeLines,this._text=t.graphemeText,this._clearCache(),this.width=this.calcTextWidth()||this.cursorWidth||r,"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},enlargeSpaces:function(){for(var t,e,i,r,n,s,o,a=0,h=this._textLines.length;a<h;a++)if(r=0,n=this._textLines[a],e=this.getLineWidth(a),e<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs))){i=o.length,t=(this.width-e)/i;for(var c=0,l=n.length;c<=l;c++)s=this.__charBounds[a][c],this._reSpaceAndTab.test(n[c])?(s.width+=t,s.kernedWidth+=t,s.left+=r,r+=t):s.left+=r}},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;e<i;e++){var r=this.getLineWidth(e);r>t&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;d<g;d++)if(e=this.getHeightOfLine(d),this.textBackgroundColor||this.styleHas("textBackgroundColor",d)){r=this._textLines[d],i=this._getLineLeftOffset(d),f=0,u=0,n=this.getValueOfPropertyAt(d,0,"textBackgroundColor");for(var p=0,v=r.length;p<v;p++)s=this.__charBounds[d][p],o=this.getValueOfPropertyAt(d,p,"textBackgroundColor"),o!==n?(t.fillStyle=n,n&&t.fillRect(c+i+u,l+a,f,e/this.lineHeight),u=s.left,f=s.width,n=o):f+=s.kernedWidth;o&&(t.fillStyle=o,t.fillRect(c+i+u,l+a,f,e/this.lineHeight)),a+=e}else a+=e;t.fillStyle=h,this._removeShadow(t)}},getFontCache:function(t){var i=t.fontFamily.toLowerCase();e.charWidthsCache[i]||(e.charWidthsCache[i]={});var r=e.charWidthsCache[i],n=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return r[n]||(r[n]={}),r[n]},_applyCharStyles:function(t,e,i,r,n){this._setFillStyles(e,n),this._setStrokeStyles(e,n),e.font=this._getFontDeclaration(n)},_getStyleDeclaration:function(t,e){var i=this.styles&&this.styles[t];return i?i[e]:null},getCompleteStyleDeclaration:function(t,e){for(var i,r=this._getStyleDeclaration(t,e)||{},n={},s=0;s<this._styleProperties.length;s++)i=this._styleProperties[s],n[i]="undefined"==typeof r[i]?this[i]:r[i];return n},_setStyleDeclaration:function(t,e,i){this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){delete this.styles[t][e]},_getLineStyle:function(t){return this.styles[t]},_setLineStyle:function(t,e){this.styles[t]=e},_deleteLineStyle:function(t){delete this.styles[t]},_measureChar:function(t,e,i,r){var s,o,a,h,c=this.getFontCache(e),l=this._getFontDeclaration(e),u=this._getFontDeclaration(r),f=i+t,d=l===u,g=e.fontSize/n;if(i&&c[i]&&(a=c[i]),c[t]&&(h=s=c[t]),d&&c[f]&&(o=c[f],h=o-a),!s||!a||!o){var p=this.getMeasuringContext();this._setTextStyles(p,e,!0)}if(s||(h=s=p.measureText(t).width,c[t]=s),!a&&d&&i&&(a=p.measureText(i).width,c[i]=a),d&&!o&&(o=p.measureText(f).width,c[f]=o,h=o-a,h>s)){var v=h-s;c[t]=h,c[f]+=v,s=h}return{width:s*g,kernedWidth:h*g}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=0,h=new Array(o.length);for(this.__charBounds[t]=h,e=0;e<o.length;e++)i=o[e],n=this._getGraphemeBox(i,t,e,r),h[e]=n,s+=n.kernedWidth,r=i;return h[e]={left:n?n.left+n.width:0,width:0,kernedWidth:0,height:this.fontSize},{width:s,numOfSpaces:a}},_getGraphemeBox:function(t,e,i,r,n){var s=this.getCompleteStyleDeclaration(e,i),o=r?this.getCompleteStyleDeclaration(e,i-1):{},a=this._measureChar(t,s,r,o),h=a.kernedWidth,c=a.width;0!==this.charSpacing&&(c+=this._getWidthOfCharSpacing(),h+=this._getWidthOfCharSpacing());var l={width:c,left:0,height:s.fontSize,kernedWidth:h};if(i>0&&!n){var u=this.__charBounds[e][i-1];l.left=u.left+u.width+a.kernedWidth-a.width}return l},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;r<n;r++){var s=this.getHeightOfChar(t,r);s>i&&(i=s)}return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i<r;i++)t=this.getHeightOfLine(i),e+=i===r-1?t/this.lineHeight:t;return e},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(t,e){t.save();for(var i=0,r=this._getLeftOffset(),n=this._getTopOffset(),s=this._applyPatternGradientTransform(t,"fillText"===e?this.fill:this.stroke),o=0,a=this._textLines.length;o<a;o++){var h=this.getHeightOfLine(o),c=h/this.lineHeight,l=this._getLineLeftOffset(o);this._renderTextLine(e,t,this._textLines[o],r+l-s.offsetX,n+i+c-s.offsetY,o),i+=h}t.restore()},_renderTextFill:function(t){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(t,"fillText")},_renderTextStroke:function(t){(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray),t.beginPath(),this._renderTextCommon(t,"strokeText"),t.closePath(),t.restore())},_renderChars:function(t,e,i,r,n,s){var o,a,h,c,l=this.getHeightOfLine(s),u="",f=0;e.save(),n-=l*this._fontSizeFraction/this.lineHeight;for(var d=0,g=i.length-1;d<=g;d++)c=d===g||this.charSpacing,u+=i[d],h=this.__charBounds[s][d],0===f&&(r+=h.kernedWidth-h.width),f+=h.kernedWidth,"justify"!==this.textAlign||c||this._reSpaceAndTab.test(i[d])&&(c=!0),c||(o=o||this.getCompleteStyleDeclaration(s,d),a=this.getCompleteStyleDeclaration(s,d+1),c=this._hasStyleChanged(o,a)),c&&(this._renderChar(t,e,s,d,u,r,n,l),u="",o=a,r+=f,f=0);e.restore()},_renderChar:function(t,e,i,r,n,s,o){var a=this._getStyleDeclaration(i,r),h=this.getCompleteStyleDeclaration(i,r),c="fillText"===t&&h.fill,l="strokeText"===t&&h.stroke&&h.strokeWidth;(l||c)&&(a&&e.save(),this._applyCharStyles(t,e,i,r,h),a&&a.textBackgroundColor&&this._removeShadow(e),c&&e.fillText(n,s,o),l&&e.strokeText(n,s,o),a&&e.restore())},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth||t.fontSize!==e.fontSize||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle},_getLineLeftOffset:function(t){var e=this.getLineWidth(t);return"center"===this.textAlign?(this.width-e)/2:"right"===this.textAlign?this.width-e:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__numberOfSpaces=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var t=this._forceClearCache;return t||(t=this.hasStateChanged("_dimensionAffectingProps")),t&&(this.saveState({propertySet:"_dimensionAffectingProps"}),this.dirty=!0,this._forceClearCache=!1),t},getLineWidth:function(t){if(this.__lineWidths[t])return this.__lineWidths[t];var e,i,r=this._textLines[t];return""===r?e=0:(i=this.measureLine(t),e=i.width),this.__lineWidths[t]=e,this.__numberOfSpaces[t]=i.numberOfSpaces,e},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},getValueOfPropertyAt:function(t,e,i){var r=this._getStyleDeclaration(t,e),n=r&&"undefined"!=typeof r[i];return n?r[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var i,r,n,s,o,a,h,c,l,u,f,d=this._getLeftOffset(),g=this._getTopOffset(),p=0,v=this._textLines.length;p<v;p++)if(i=this.getHeightOfLine(p),this[e]||this.styleHas(e,p)){n=this._textLines[p],l=i/this.lineHeight,r=this._getLineLeftOffset(p),o=0,a=0,s=this.getValueOfPropertyAt(p,0,e),f=this.getValueOfPropertyAt(p,0,"fill");for(var m=0,b=n.length;m<b;m++)h=this.__charBounds[p][m],c=this.getValueOfPropertyAt(p,m,e),u=this.getValueOfPropertyAt(p,m,"fill"),(c!==s||u!==f)&&a>0?(t.fillStyle=f,s&&f&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),o=h.left,a=h.width,s=c,f=u):a+=h.kernedWidth;t.fillStyle=u,c&&u&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),g+=i}else g+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this;return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?n+"px":r.fontSize+"px",e.isLikelyNode?'"'+r.fontFamily+'"':r.fontFamily].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o<i.length;o++)r[o]=e.util.string.graphemeSplit(i[o]),s=s.concat(r[o],n);return s.pop(),{_unwrappedLines:r,lines:i,graphemeText:s,graphemeLines:r}},toObject:function(t){var e=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","underline","overline","linethrough","textAlign","textBackgroundColor","charSpacing"].concat(t),r=this.callSuper("toObject",e);return r.styles=i(this.styles,!0),r},_set:function(t,e){this.callSuper("_set",t,e),this._dimensionAffectingProps.indexOf(t)>-1&&(this.initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r,n){if(!t)return r(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES),o=s.textAnchor||"left";if(n=e.util.object.extend(n?i(n):{},s),n.top=n.top||0,n.left=n.left||0,s.textDecoration){var a=s.textDecoration;a.indexOf("underline")!==-1&&(n.underline=!0),a.indexOf("overline")!==-1&&(n.overline=!0),a.indexOf("line-through")!==-1&&(n.linethrough=!0),delete n.textDecoration}"dx"in s&&(n.left+=s.dx),"dy"in s&&(n.top+=s.dy),"fontSize"in n||(n.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE);var h="";"textContent"in t?h=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(h=t.firstChild.data),h=h.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var c=new e.Text(h,n),l=c.getScaledHeight()/c.height,u=(c.height+c.strokeWidth)*c.lineHeight-c.height,f=u*l,d=c.getScaledHeight()+f,g=0;"center"===o&&(g=c.getScaledWidth()/2),"right"===o&&(g=c.getScaledWidth()),c.set({left:c.left-g,top:c.top-(d-c.fontSize*(.18+c._fontSizeFraction))/c.lineHeight}),r(c)},e.Text.fromObject=function(t,i){return e.Object._fromObject("Text",t,i,"text")},e.util.createAccessors&&e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e,i){if(e&&t!==e){for(var r=[],n=t;n<e;n++)r.push(this.getSelectionStyles(n,n,i));return r}var s=this.get2DCursorLocation(t),o=i?this.getCompleteStyleDeclaration(s.lineIndex,s.charIndex):this._getStyleDeclaration(s.lineIndex,s.charIndex);return o||{}},setSelectionStyles:function(t){if(this.selectionStart===this.selectionEnd)return this;for(var e=this.selectionStart;e<this.selectionEnd;e++)this._extendStyles(e,t);return this._forceClearCache=!0,this},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t),this.ctx=t},clearContextTop:function(t){if(this.active&&this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop;e.save(),e.transform.apply(e,this.canvas.viewportTransform),this.transform(e),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.active&&this.isEditing){var t,e=this._getCursorBoundaries();this.canvas&&this.canvas.contextTop?(t=this.canvas.contextTop,this.clearContextTop(!0)):(t=this.ctx,t.save()),this.selectionStart===this.selectionEnd?this.renderCursor(e,t):this.renderSelection(e,t),t.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},get2DCursorLocation:function(t,e){"undefined"==typeof t&&(t=this.selectionStart);for(var i=e?this._unwrappedTextLines:this._textLines,r=i.length,n=0;n<r;n++){if(t<=i[n].length)return{lineIndex:n,charIndex:t};t-=i[n].length+1}return{lineIndex:n-1,charIndex:i[n-1].length<t?i[n-1].length:t}},_getCursorBoundaries:function(t){"undefined"==typeof t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),r=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;for(var e,i,r=0,n=0,s=0,o=0,a=this.get2DCursorLocation(t),h=0;h<a.lineIndex;h++)s+=this.getHeightOfLine(h);e=this._getLineLeftOffset(a.lineIndex);var c=this.__charBounds[a.lineIndex][a.charIndex];return c&&(o=c.left),0!==this.charSpacing&&n===this._textLines[r].length&&(o-=this._getWidthOfCharSpacing()),i={top:s,left:e+(o>0?o:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset;h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=this.get2DCursorLocation(i),s=this.get2DCursorLocation(r),o=n.lineIndex,a=s.lineIndex,h=n.charIndex<0?0:n.charIndex,c=s.charIndex<0?0:s.charIndex,l=o;l<=a;l++){var u=this._getLineLeftOffset(l)||0,f=this.getHeightOfLine(l),d=0,g=0,p=0;l===o&&(g=this.__charBounds[o][h].left),l>=o&&l<a?p=this.getLineWidth(l)||5:l===a&&(p=0===c?this.__charBounds[a][c].left:this.__charBounds[a][c-1].left+this.__charBounds[a][c-1].width),d=f,(this.lineHeight<1||l===a&&this.lineHeight>1)&&(f/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+u+g,t.top+t.topOffset+f,p-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+u+g,t.top+t.topOffset,p-g,f)),t.topOffset+=d}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i){if(t(e),e.styles)for(var r in e.styles)for(var n in e.styles[r])t(e.styles[r][n]);fabric.Object._fromObject("IText",e,i,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(t){this.isEditing&&this.exitEditing(),this.selected=!1,fabric.Object.prototype.onDeselect.call(this,t)},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})}.bind(this),t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i<this.text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i<this.text.length;)e++,i++;return t+e},searchWordBoundary:function(t,e){for(var i=this._reSpace.test(this.text.charAt(t))?t-1:t,r=this.text.charAt(i),n=/[ \n\.,;!\?\-]/;!n.test(r)&&i>0&&i<this.text.length;)i+=e,r=this.text.charAt(i);return n.test(r)&&"\n"!==r&&(i+=1===e?0:1),i},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);return this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this},enterEditing:function(t){if(!this.isEditing&&this.editable)return this.canvas&&this.exitEditingOnOthers(this.canvas),this.isEditing=!0,this.initHiddenTextarea(t),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire("editing:entered"),this._fireSelectionChanged(),this.canvas?(this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll(),this):this},exitEditingOnOthers:function(t){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.selected=!1,t.isEditing&&t.exitEditing()})},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e),i=this.selectionStart,r=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&i!==r||i!==e&&r!==e)&&(e>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=fabric.util.string.graphemeSplit(s).length;return{selectionStart:n,selectionEnd:n+o}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t),n=r.join("").length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:n,selectionEnd:n+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value;var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={
+x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;i<this._textLines[o].length;i++)delete this.styles[o][i];if(this.styles[h])for(i=c;i<this._textLines[h].length;i++)r=this.styles[h][i],r&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-c]=r);for(i=o+1;i<=h;i++)delete this.styles[i];this.shiftLineStyles(h,o-h)}else if(this.styles[o]){r=this.styles[o];var l,u,f=c-a;for(i=a;i<c;i++)delete r[i];for(u in this.styles[o])l=parseInt(u,10),l>=c&&(r[l-f]=r[u],delete r[u])}},shiftLineStyles:function(e,i){var r=t(this.styles);for(var n in this.styles){var s=parseInt(n,10);s>e&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]);for(var h in this.styles[e]){var c=parseInt(h,10);c>=i&&(a=!0,o[c-i]=this.styles[e][h],delete this.styles[e][h])}for(a?this.styles[e+r]=o:delete this.styles[e+r];r>1;)r--,n&&n[r]?this.styles[e+r]={0:t(n[r])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r];this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){this.styles||(this.styles={});var s=this.styles[e],o=s?t(s):{};r||(r=1);for(var a in o){var h=parseInt(a,10);h>=i&&(s[h+r]=o[h],o[h-r]||delete s[h])}if(this._forceClearCache=!0,n)for(;r--;)Object.keys(n[r]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+r]=t(n[r]));else if(s)for(var c=s[i?i-1:1];c&&r--;)this.styles[e][i+r]=t(c)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=[0],s=0,o=0;o<t.length;o++)"\n"===t[o]?(s++,n[s]=0):n[s]++;n[0]>0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,n[0],i),i=i&&i.slice(n[0]+1)),s&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+n[0],s);for(var o=1;o<=s;o++)this.insertCharStyleObject(r.lineIndex+o,0,n[o],i),i=i&&i.slice(n[o]+1)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&i<e?"right"===this._selectionDirection?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=i)},setSelectionInBoundaries:function(){var t=this.text.length;this.selectionStart>t?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e,t.e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("mousedblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=0,l=this._textLines.length;c<l&&o<=r.y;c++)o+=this.getHeightOfLine(c)*this.scaleY,h=c,c>0&&(a+=this._textLines[c-1].length+1);e=this._getLineLeftOffset(h),s=e*this.scaleX,i=this._textLines[h];for(var u=0,f=i.length;u<f&&(n=s,s+=this.__charBounds[h][u].kernedWidth*this.scaleX,s<=r.x);u++)a++;return this._getNewSelectionStartFromOffset(r,n,s,a,f)},_getNewSelectionStartFromOffset:function(t,e,i,r,n){var s=t.x-e,o=i-t.x,a=o>s?0:1,h=r+a;return this.flipX&&(h=n-h),h>this._text.length&&(h=this._text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone||this.inCompositionMode?void(this._copyDone=!1):void(t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll()))},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;""===this.hiddenTextarea.value&&(this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())),this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):o<s&&(i=this._text.slice(this.selectionEnd+a,this.selectionEnd));var h=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);r=n.slice(h.selectionEnd-a,h.selectionEnd),i&&i.length&&(this.selectionStart!==this.selectionEnd?this.removeStyleFromTo(this.selectionStart,this.selectionEnd):this.selectionStart>h.selectionStart?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(fabric.copiedText=this.getSelectedText(),fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],r+=i.left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o),h=this._textLines[n].slice(s);return h.length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),h=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-h.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=s,a=0,h=0,c=n.length;h<c;h++)if(i=this.__charBounds[t][h].width,o+=i,o>e){r=!0;var l=o-i,u=o,f=Math.abs(l-e),d=Math.abs(u-e);a=d<f?h:h-1;break}return r||(a=n.length-1),a},moveCursorDown:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.set("dirty",!0),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.requestRenderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"',n,">\n",e.textBgRects.join(""),'\t\t<text xml:space="preserve" ',this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(i),'" >\n',e.textSpans.join(""),"\t\t</text>\n","\t</g>\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o<a;o++)i=this._getLineLeftOffset(o),(this.textBackgroundColor||this.styleHas("textBackgroundColor",o))&&this._setSVGTextLineBg(n,o,e+i,s),this._setSVGTextLineText(r,o,e+i,s),s+=this.getHeightOfLine(o);return{textSpans:r,textBgRects:n}},_createTextCharSpan:function(i,r,n,s){var o=this.getSvgSpanStyles(r,!1),a=o?'style="'+o+'"':"";return['\t\t\t<tspan x="',t(n,e),'" y="',t(s,e),'" ',a,">",fabric.util.string.escapeXml(i),"</tspan>\n"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l="",u=0,f=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)h=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u&&(i+=o.kernedWidth-o.width),u+=o.kernedWidth,"justify"!==this.textAlign||h||this._reSpaceAndTab.test(f[d])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),h=this._hasStyleChanged(n,s)),h&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(i,r,n,s,o,a){i.push("\t\t<rect ",this._getFillAttributes(r),' x="',t(n,e),'" y="',t(s,e),'" width="',t(o,e),'" height="',t(a,e),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;u<f;u++)n=this.__charBounds[e][u],s=this.getValueOfPropertyAt(e,u,"textBackgroundColor"),s!==l?(l&&this._pushTextBgRect(t,l,i+c,r,h,a),c=n.left,h=n.width,l=s):h+=n.kernedWidth;s&&this._pushTextBgRect(t,s,i+c,r,h,a)},_getFillAttributes:function(t){var e=t&&"string"==typeof t?new fabric.Color(t):"";return e&&e.getSource()&&1!==e.getAlpha()?'opacity="'+e.getAlpha()+'" fill="'+e.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_getSVGLineTopOffset:function(t){for(var e=0,i=0,r=0;r<t;r++)e+=this.getHeightOfLine(r);return i=this.getHeightOfLine(r),{lineTop:e,offset:(this._fontSizeMult-this._fontSizeFraction)*i/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){var e=fabric.Object.prototype.getSvgStyles.call(this,t);return e+" white-space: pre;"}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,initialize:function(t,i){this.callSuper("initialize",t,i),this.ctx=this.objectCaching?this._cacheContext:e.util.createCanvasElement().getContext("2d"),this._dimensionAffectingProps.push("width")},initDimensions:function(){if(!this.__skipDimension){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this._clearCache(),this.dynamicMinWidth=0;var t=this._splitTextIntoLines(this.text);this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,this._styleMap=this._generateStyleMap(t),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s<t.graphemeLines.length;s++)"\n"===t.graphemeText[r]&&s>0?(i=0,r++,e++):this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i<t.length;i++)r=r.concat(this._wrapLine(t[i],i,e));return this.isWrapping=!1,r},_measureWord:function(t,e,i){var r,n=0,s=!0;i=i||0;for(var o=0,a=t.length;o<a;o++){var h=this._getGraphemeBox(t[o],e,o+i,r,s);n+=h.kernedWidth,r=t[o]}return n},_wrapLine:function(t,i,r){for(var n=0,s=[],o=[],a=t.split(this._reSpaceAndTab),h="",c=0,l=" ",u=0,f=0,d=0,g=!0,p=this._getWidthOfCharSpacing(),v=0;v<a.length;v++)h=e.util.string.graphemeSplit(a[v]),u=this._measureWord(h,i,c),c+=h.length,n+=f+u-p,n>=r&&!g&&(s.push(o),o=[],n=u,g=!0),g||o.push(l),o=o.concat(h),f=this._measureWord([l],i,c),c++,g=!1,u>d&&(d=u);return v&&s.push(o),d>this.dynamicMinWidth&&(this.dynamicMinWidth=d-p),s},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s<r.length;s++)n[s]=r[s].join("");return i.lines=n,i.graphemeLines=r,i},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},toObject:function(t){return this.callSuper("toObject",["minWidth"].concat(t))}}),e.Textbox.fromObject=function(t,i){return e.Object._fromObject("Textbox",t,i,"text")}}("undefined"!=typeof exports?exports:this),function(){var t=fabric.Canvas.prototype._setObjectScale;fabric.Canvas.prototype._setObjectScale=function(e,i,r,n,s,o,a){var h=i.target;if(!("x"===s&&h instanceof fabric.Textbox))return t.call(fabric.Canvas.prototype,e,i,r,n,s,o,a);var c=h._getTransformedDimensions().x,l=h.width*(e.x/c);return l>=h.getMinWidth()?(h.set("width",l),!0):void 0},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require(fabric.canvasModule),Image=require(fabric.canvasModule).Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}();
\ No newline at end of file
diff --git a/dist/fabric.min.js.gz b/dist/fabric.min.js.gz
index 5b07c383..0cbc30ce 100644
Binary files a/dist/fabric.min.js.gz and b/dist/fabric.min.js.gz differ
diff --git a/dist/fabric.require.js b/dist/fabric.require.js
index 0e28d48e..d0b75941 100644
--- a/dist/fabric.require.js
+++ b/dist/fabric.require.js
@@ -1,5 +1,5 @@
 var fabric = fabric || {
-    version: "2.0.0-beta5"
+    version: "2.0.0-beta6"
 };
 
 if (typeof exports !== "undefined") {
@@ -50,7 +50,7 @@ fabric.enableGLFiltering = true;
 fabric.devicePixelRatio = fabric.window.devicePixelRatio || fabric.window.webkitDevicePixelRatio || fabric.window.mozDevicePixelRatio || 1;
 
 fabric.initFilterBackend = function() {
-    if (fabric.isWebglSupported && fabric.isWebglSupported(fabric.textureSize) && fabric.enableGLFiltering) {
+    if (fabric.enableGLFiltering && fabric.isWebglSupported && fabric.isWebglSupported(fabric.textureSize)) {
         console.log("max texture size: " + fabric.maxTextureSize);
         return new fabric.WebglFilterBackend({
             tileSize: fabric.textureSize
@@ -481,9 +481,8 @@ fabric.CommonMethods = {
             }
             ctx.restore();
         },
-        createCanvasElement: function(canvasEl) {
-            canvasEl || (canvasEl = fabric.document.createElement("canvas"));
-            return canvasEl;
+        createCanvasElement: function() {
+            return fabric.document.createElement("canvas");
         },
         createImage: function() {
             return fabric.document.createElement("img");
@@ -520,7 +519,7 @@ fabric.CommonMethods = {
             target.skewY = 0;
             target.flipX = false;
             target.flipY = false;
-            target.setAngle(0);
+            target.rotate(0);
         },
         getFunctionBody: function(fn) {
             return (String(fn).match(/function[^{]*\{([\s\S]*)\}/) || {})[1];
@@ -1429,11 +1428,16 @@ if (typeof console !== "undefined") {
     var _requestAnimFrame = fabric.window.requestAnimationFrame || fabric.window.webkitRequestAnimationFrame || fabric.window.mozRequestAnimationFrame || fabric.window.oRequestAnimationFrame || fabric.window.msRequestAnimationFrame || function(callback) {
         return fabric.window.setTimeout(callback, 1e3 / 60);
     };
+    var _cancelAnimFrame = fabric.window.cancelAnimationFrame || fabric.window.clearTimeout;
     function requestAnimFrame() {
         return _requestAnimFrame.apply(fabric.window, arguments);
     }
+    function cancelAnimFrame() {
+        return _cancelAnimFrame.apply(fabric.window, arguments);
+    }
     fabric.util.animate = animate;
     fabric.util.requestAnimFrame = requestAnimFrame;
+    fabric.util.cancelAnimFrame = cancelAnimFrame;
 })();
 
 (function() {
@@ -1719,7 +1723,7 @@ if (typeof console !== "undefined") {
         "stroke-opacity": "strokeOpacity",
         "stroke-width": "strokeWidth",
         "text-decoration": "textDecoration",
-        "text-anchor": "originX",
+        "text-anchor": "textAnchor",
         opacity: "opacity"
     }, colorAttributes = {
         stroke: "strokeOpacity",
@@ -1761,7 +1765,7 @@ if (typeof console !== "undefined") {
             if (parentAttributes && typeof parentAttributes.opacity !== "undefined") {
                 value *= parentAttributes.opacity;
             }
-        } else if (attr === "originX") {
+        } else if (attr === "textAnchor") {
             value = value === "start" ? "left" : value === "end" ? "right" : "center";
         } else {
             parsed = isArray ? value.map(parseUnit) : parseUnit(value, fontSize);
@@ -3416,14 +3420,14 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
             this._initPattern(color, property, callback);
             return this;
         },
-        _createCanvasElement: function(canvasEl) {
-            var element = fabric.util.createCanvasElement(canvasEl);
-            if (!element.style) {
-                element.style = {};
-            }
+        _createCanvasElement: function() {
+            var element = fabric.util.createCanvasElement();
             if (!element) {
                 throw CANVAS_INIT_ERROR;
             }
+            if (!element.style) {
+                element.style = {};
+            }
             if (typeof element.getContext === "undefined") {
                 throw CANVAS_INIT_ERROR;
             }
@@ -3443,7 +3447,11 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
             this.viewportTransform = this.viewportTransform.slice();
         },
         _createLowerCanvas: function(canvasEl) {
-            this.lowerCanvasEl = fabric.util.getById(canvasEl) || this._createCanvasElement(canvasEl);
+            if (canvasEl && canvasEl.getContext) {
+                this.lowerCanvasEl = canvasEl;
+            } else {
+                this.lowerCanvasEl = fabric.util.getById(canvasEl) || this._createCanvasElement();
+            }
             fabric.util.addClass(this.lowerCanvasEl, "lower-canvas");
             if (this.interactive) {
                 this._applyCanvasStyle(this.lowerCanvasEl);
@@ -3592,8 +3600,8 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
         },
         renderAll: function() {
             var canvasToDrawOn = this.contextContainer;
-            if (this.rendering) {
-                fabric.window.cancelAnimationFrame(this.rendering);
+            if (this.isRendering) {
+                fabric.util.cancelAnimFrame(this.isRendering);
             }
             this.renderCanvas(canvasToDrawOn, this._objects);
             return this;
@@ -3713,7 +3721,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
         },
         _centerObject: function(object, center) {
             object.setPositionByOrigin(center, "center", "center");
-            this.requestRenderAll();
+            this.renderOnAddRemove && this.requestRenderAll();
             return this;
         },
         toDatalessJSON: function(propertiesToInclude) {
@@ -4868,7 +4876,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, {
             target.scaleY = 1;
             target.skewX = 0;
             target.skewY = 0;
-            target.setAngle(0);
+            target.rotate(0);
         },
         _drawSelection: function(ctx) {
             var groupSelector = this._groupSelector, left = groupSelector.left, top = groupSelector.top, aleft = abs(left), atop = abs(top);
@@ -6374,7 +6382,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
             this._removeShadow(ctx);
         },
         _setOpacity: function(ctx) {
-            if (this.group && !this.group.transformDone) {
+            if (this.group && !this.group._transformDone) {
                 ctx.globalAlpha = this.getObjectOpacity();
             } else {
                 ctx.globalAlpha *= this.opacity;
@@ -6452,8 +6460,11 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
             ctx.shadowBlur = ctx.shadowOffsetX = ctx.shadowOffsetY = 0;
         },
         _applyPatternGradientTransform: function(ctx, filler) {
-            if (!filler.toLive) {
-                return;
+            if (!filler || !filler.toLive) {
+                return {
+                    offsetX: 0,
+                    offsetY: 0
+                };
             }
             var transform = filler.gradientTransform || filler.patternTransform;
             var offsetX = -this.width / 2 + filler.offsetX || 0, offsetY = -this.height / 2 + filler.offsetY || 0;
@@ -6461,6 +6472,10 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
             if (transform) {
                 ctx.transform.apply(ctx, transform);
             }
+            return {
+                offsetX: offsetX,
+                offsetY: offsetY
+            };
         },
         _renderFill: function(ctx) {
             if (!this.fill) {
@@ -6494,8 +6509,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
                 y: this.top + this.height / 2
             };
         },
-        _removeTransformMatrix: function() {
-            var center = this._findCenterFromElement();
+        _assignTransformMatrixProps: function() {
             if (this.transformMatrix) {
                 var options = fabric.util.qrDecompose(this.transformMatrix);
                 this.flipX = false;
@@ -6505,6 +6519,12 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
                 this.angle = options.angle;
                 this.skewX = options.skewX;
                 this.skewY = 0;
+            }
+        },
+        _removeTransformMatrix: function() {
+            var center = this._findCenterFromElement();
+            if (this.transformMatrix) {
+                this._assignTransformMatrixProps();
                 center = fabric.util.transformPoint(center, this.transformMatrix);
             }
             this.transformMatrix = null;
@@ -6597,7 +6617,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
             this.set("fill", color);
             return this;
         },
-        setAngle: function(angle) {
+        rotate: function(angle) {
             var shouldCenterOrigin = (this.originX !== "center" || this.originY !== "center") && this.centeredRotation;
             if (shouldCenterOrigin) {
                 this._setOriginToCenter();
@@ -6632,10 +6652,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
             this.canvas && this.canvas.viewportCenterObject(this);
             return this;
         },
-        remove: function() {
-            this.canvas && this.canvas.remove(this);
-            return this;
-        },
         getLocalPointer: function(e, pointer) {
             pointer = pointer || this.canvas.getPointer(e);
             var pClicked = new fabric.Point(pointer.x, pointer.y), objectLeftTop = this._getLeftTopCoords();
@@ -6654,7 +6670,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, {
         }
     });
     fabric.util.createAccessors && fabric.util.createAccessors(fabric.Object);
-    fabric.Object.prototype.rotate = fabric.Object.prototype.setAngle;
     extend(fabric.Object.prototype, fabric.Observable);
     fabric.Object.NUM_FRACTION_DIGITS = 2;
     fabric.Object._fromObject = function(className, object, callback, extraParam) {
@@ -7675,8 +7690,6 @@ fabric.util.object.extend(fabric.Object.prototype, {
     fabric.Line.fromElement = function(element, callback, options) {
         options = options || {};
         var parsedAttributes = fabric.parseAttributes(element, fabric.Line.ATTRIBUTE_NAMES), points = [ parsedAttributes.x1 || 0, parsedAttributes.y1 || 0, parsedAttributes.x2 || 0, parsedAttributes.y2 || 0 ];
-        options.originX = "left";
-        options.originY = "top";
         callback(new fabric.Line(points, extend(parsedAttributes, options)));
     };
     fabric.Line.fromObject = function(object, callback) {
@@ -7770,8 +7783,6 @@ fabric.util.object.extend(fabric.Object.prototype, {
         }
         parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.radius;
         parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.radius;
-        parsedAttributes.originX = "left";
-        parsedAttributes.originY = "top";
         callback(new fabric.Circle(extend(parsedAttributes, options)));
     };
     function isValidRadius(attributes) {
@@ -7888,8 +7899,6 @@ fabric.util.object.extend(fabric.Object.prototype, {
         var parsedAttributes = fabric.parseAttributes(element, fabric.Ellipse.ATTRIBUTE_NAMES);
         parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.rx;
         parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.ry;
-        parsedAttributes.originX = "left";
-        parsedAttributes.originY = "top";
         callback(new fabric.Ellipse(extend(parsedAttributes, options)));
     };
     fabric.Ellipse.fromObject = function(object, callback) {
@@ -7972,8 +7981,6 @@ fabric.util.object.extend(fabric.Object.prototype, {
         var parsedAttributes = fabric.parseAttributes(element, fabric.Rect.ATTRIBUTE_NAMES);
         parsedAttributes.left = parsedAttributes.left || 0;
         parsedAttributes.top = parsedAttributes.top || 0;
-        parsedAttributes.originX = "left";
-        parsedAttributes.originY = "top";
         var rect = new fabric.Rect(extend(options ? fabric.util.object.clone(options) : {}, parsedAttributes));
         rect.visible = rect.visible && rect.width > 0 && rect.height > 0;
         callback(rect);
@@ -7995,31 +8002,33 @@ fabric.util.object.extend(fabric.Object.prototype, {
     fabric.Polyline = fabric.util.createClass(fabric.Object, {
         type: "polyline",
         points: null,
-        minX: 0,
-        minY: 0,
         cacheProperties: cacheProperties,
         initialize: function(points, options) {
             options = options || {};
             this.points = points || [];
             this.callSuper("initialize", options);
-            this._calcDimensions();
-            if (!("top" in options)) {
-                this.top = this.minY;
+            var calcDim = this._calcDimensions();
+            if (typeof options.left === "undefined") {
+                this.left = calcDim.left;
             }
-            if (!("left" in options)) {
-                this.left = this.minX;
+            if (typeof options.top === "undefined") {
+                this.top = calcDim.top;
             }
+            this.width = calcDim.width;
+            this.height = calcDim.height;
             this.pathOffset = {
-                x: this.minX + this.width / 2,
-                y: this.minY + this.height / 2
+                x: calcDim.left + this.width / 2,
+                y: calcDim.top + this.height / 2
             };
         },
         _calcDimensions: function() {
-            var points = this.points, minX = min(points, "x"), minY = min(points, "y"), maxX = max(points, "x"), maxY = max(points, "y");
-            this.width = maxX - minX || 0;
-            this.height = maxY - minY || 0;
-            this.minX = minX || 0;
-            this.minY = minY || 0;
+            var points = this.points, minX = min(points, "x") || 0, minY = min(points, "y") || 0, maxX = max(points, "x") || 0, maxY = max(points, "y") || 0, width = maxX - minX, height = maxY - minY;
+            return {
+                left: minX,
+                top: minY,
+                width: width,
+                height: height
+            };
         },
         toObject: function(propertiesToInclude) {
             return extend(this.callSuper("toObject", propertiesToInclude), {
@@ -8144,8 +8153,6 @@ fabric.util.object.extend(fabric.Object.prototype, {
     fabric.Path = fabric.util.createClass(fabric.Object, {
         type: "path",
         path: null,
-        minX: 0,
-        minY: 0,
         cacheProperties: cacheProperties,
         stateProperties: stateProperties,
         initialize: function(path, options) {
@@ -8166,19 +8173,17 @@ fabric.util.object.extend(fabric.Object.prototype, {
         },
         _setPositionDimensions: function(options) {
             var calcDim = this._parseDimensions();
-            this.minX = calcDim.left;
-            this.minY = calcDim.top;
             this.width = calcDim.width;
             this.height = calcDim.height;
             if (typeof options.left === "undefined") {
-                this.left = calcDim.left + (this.originX === "center" ? this.width / 2 : this.originX === "right" ? this.width : 0);
+                this.left = calcDim.left;
             }
             if (typeof options.top === "undefined") {
-                this.top = calcDim.top + (this.originY === "center" ? this.height / 2 : this.originY === "bottom" ? this.height : 0);
+                this.top = calcDim.top;
             }
             this.pathOffset = this.pathOffset || {
-                x: this.minX + this.width / 2,
-                y: this.minY + this.height / 2
+                x: calcDim.left + this.width / 2,
+                y: calcDim.top + this.height / 2
             };
         },
         _renderPathCommands: function(ctx) {
@@ -8628,8 +8633,6 @@ fabric.util.object.extend(fabric.Object.prototype, {
     fabric.Path.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat([ "d" ]);
     fabric.Path.fromElement = function(element, callback, options) {
         var parsedAttributes = fabric.parseAttributes(element, fabric.Path.ATTRIBUTE_NAMES);
-        parsedAttributes.originX = "left";
-        parsedAttributes.originY = "top";
         callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options)));
     };
 })(typeof exports !== "undefined" ? exports : this);
@@ -9376,7 +9379,7 @@ fabric.util.object.extend(fabric.Object.prototype, {
         return Math.round(angle / 90) * 90;
     },
     straighten: function() {
-        this.setAngle(this._getAngleValueForStraighten());
+        this.rotate(this._getAngleValueForStraighten());
         return this;
     },
     fxStraighten: function(callbacks) {
@@ -9387,7 +9390,7 @@ fabric.util.object.extend(fabric.Object.prototype, {
             endValue: this._getAngleValueForStraighten(),
             duration: this.FX_DURATION,
             onChange: function(value) {
-                _this.setAngle(value);
+                _this.rotate(value);
                 onChange();
             },
             onComplete: function() {
@@ -10928,6 +10931,34 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
     };
 })(typeof exports !== "undefined" ? exports : this);
 
+(function(global) {
+    "use strict";
+    var fabric = global.fabric || (global.fabric = {}), filters = fabric.Image.filters, createClass = fabric.util.createClass;
+    filters.HueRotation = createClass(filters.ColorMatrix, {
+        type: "HueRotation",
+        rotation: 0,
+        mainParameter: "rotation",
+        calculateMatrix: function() {
+            var rad = this.rotation * Math.PI, cos = Math.cos(rad), sin = Math.sin(rad), aThird = 1 / 3, aThirdSqtSin = Math.sqrt(aThird) * sin, OneMinusCos = 1 - cos;
+            this.matrix = [ 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0 ];
+            this.matrix[0] = cos + OneMinusCos / 3;
+            this.matrix[1] = aThird * OneMinusCos - aThirdSqtSin;
+            this.matrix[2] = aThird * OneMinusCos + aThirdSqtSin;
+            this.matrix[5] = aThird * OneMinusCos + aThirdSqtSin;
+            this.matrix[6] = cos + aThird * OneMinusCos;
+            this.matrix[7] = aThird * OneMinusCos - aThirdSqtSin;
+            this.matrix[10] = aThird * OneMinusCos - aThirdSqtSin;
+            this.matrix[11] = aThird * OneMinusCos + aThirdSqtSin;
+            this.matrix[12] = cos + aThird * OneMinusCos;
+        },
+        applyTo: function(options) {
+            this.calculateMatrix();
+            fabric.Image.filters.BaseFilter.prototype.applyTo.call(this, options);
+        }
+    });
+    fabric.Image.filters.HueRotation.fromObject = fabric.Image.filters.BaseFilter.fromObject;
+})(typeof exports !== "undefined" ? exports : this);
+
 (function(global) {
     "use strict";
     var fabric = global.fabric || (global.fabric = {}), clone = fabric.util.object.clone, MIN_TEXT_WIDTH = 2, CACHE_FONT_SIZE = 200;
@@ -10970,7 +11001,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
         charSpacing: 0,
         styles: null,
         _measuringContext: null,
-        _styleProperties: [ "stroke", "strokeWidth", "fill", "fontFamily", "fontSize", "fontWeight", "fontStyle", "underline", "overline", "linethrough" ],
+        _styleProperties: [ "stroke", "strokeWidth", "fill", "fontFamily", "fontSize", "fontWeight", "fontStyle", "underline", "overline", "linethrough", "textBackgroundColor" ],
         __charBounds: [],
         initialize: function(text, options) {
             this.styles = options ? options.styles || {} : {};
@@ -11375,12 +11406,14 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             return -this.height / 2;
         },
         _renderTextCommon: function(ctx, method) {
-            var lineHeights = 0, left = this._getLeftOffset(), top = this._getTopOffset();
+            ctx.save();
+            var lineHeights = 0, left = this._getLeftOffset(), top = this._getTopOffset(), offsets = this._applyPatternGradientTransform(ctx, method === "fillText" ? this.fill : this.stroke);
             for (var i = 0, len = this._textLines.length; i < len; i++) {
                 var heightOfLine = this.getHeightOfLine(i), maxHeight = heightOfLine / this.lineHeight, leftOffset = this._getLineLeftOffset(i);
-                this._renderTextLine(method, ctx, this._textLines[i], left + leftOffset, top + lineHeights + maxHeight, i);
+                this._renderTextLine(method, ctx, this._textLines[i], left + leftOffset - offsets.offsetX, top + lineHeights + maxHeight - offsets.offsetY, i);
                 lineHeights += heightOfLine;
             }
+            ctx.restore();
         },
         _renderTextFill: function(ctx) {
             if (!this.fill && !this.styleHas("fill")) {
@@ -11596,7 +11629,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
         if (!element) {
             return callback(null);
         }
-        var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES);
+        var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES), parsedAnchor = parsedAttributes.textAnchor || "left";
         options = fabric.util.object.extend(options ? clone(options) : {}, parsedAttributes);
         options.top = options.top || 0;
         options.left = options.left || 0;
@@ -11622,9 +11655,6 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
         if (!("fontSize" in options)) {
             options.fontSize = fabric.Text.DEFAULT_SVG_FONT_SIZE;
         }
-        if (!options.originX) {
-            options.originX = "left";
-        }
         var textContent = "";
         if (!("textContent" in element)) {
             if ("firstChild" in element && element.firstChild !== null) {
@@ -11637,18 +11667,16 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
         }
         textContent = textContent.replace(/^\s+|\s+$|\n+/g, "").replace(/\s+/g, " ");
         var text = new fabric.Text(textContent, options), textHeightScaleFactor = text.getScaledHeight() / text.height, lineHeightDiff = (text.height + text.strokeWidth) * text.lineHeight - text.height, scaledDiff = lineHeightDiff * textHeightScaleFactor, textHeight = text.getScaledHeight() + scaledDiff, offX = 0;
-        if (text.originX === "center") {
+        if (parsedAnchor === "center") {
             offX = text.getScaledWidth() / 2;
         }
-        if (text.originX === "right") {
+        if (parsedAnchor === "right") {
             offX = text.getScaledWidth();
         }
         text.set({
             left: text.left - offX,
             top: text.top - (textHeight - text.fontSize * (.18 + text._fontSizeFraction)) / text.lineHeight
         });
-        text.originX = "left";
-        text.originY = "top";
         callback(text);
     };
     fabric.Text.fromObject = function(object, callback) {
@@ -11710,15 +11738,15 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
                 target: this
             });
         },
-        getSelectionStyles: function(startIndex, endIndex) {
-            if (arguments.length === 2) {
+        getSelectionStyles: function(startIndex, endIndex, complete) {
+            if (endIndex && startIndex !== endIndex) {
                 var styles = [];
                 for (var i = startIndex; i < endIndex; i++) {
-                    styles.push(this.getSelectionStyles(i));
+                    styles.push(this.getSelectionStyles(i, i, complete));
                 }
                 return styles;
             }
-            var loc = this.get2DCursorLocation(startIndex), style = this._getStyleDeclaration(loc.lineIndex, loc.charIndex);
+            var loc = this.get2DCursorLocation(startIndex), style = complete ? this.getCompleteStyleDeclaration(loc.lineIndex, loc.charIndex) : this._getStyleDeclaration(loc.lineIndex, loc.charIndex);
             return style || {};
         },
         setSelectionStyles: function(styles) {
@@ -12024,6 +12052,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             this.selectionEnd = this._text.length;
             this._fireSelectionChanged();
             this._updateTextarea();
+            return this;
         },
         getSelectedText: function() {
             return this._text.slice(this.selectionStart, this.selectionEnd).join("");
@@ -12099,6 +12128,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             this.selectionEnd = newSelectionEnd;
             this._fireSelectionChanged();
             this._updateTextarea();
+            return this;
         },
         enterEditing: function(e) {
             if (this.isEditing || !this.editable) {
@@ -12349,14 +12379,15 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             } else {
                 if (this.styles[lineStart]) {
                     styleObj = this.styles[lineStart];
-                    var diff = charEnd - charStart;
+                    var diff = charEnd - charStart, numericChar, _char;
                     for (i = charStart; i < charEnd; i++) {
                         delete styleObj[i];
                     }
-                    for (i = charEnd; i < this._textLines[lineStart].length; i++) {
-                        if (styleObj[i]) {
-                            styleObj[i - diff] = styleObj[i];
-                            delete styleObj[i];
+                    for (_char in this.styles[lineStart]) {
+                        numericChar = parseInt(_char, 10);
+                        if (numericChar >= charEnd) {
+                            styleObj[numericChar - diff] = styleObj[_char];
+                            delete styleObj[_char];
                         }
                     }
                 }
@@ -12383,8 +12414,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             var currentCharStyle, newLineStyles = {}, somethingAdded = false;
             qty || (qty = 1);
             this.shiftLineStyles(lineIndex, qty);
-            if (this.styles[lineIndex] && this.styles[lineIndex][charIndex - 1]) {
-                currentCharStyle = this.styles[lineIndex][charIndex - 1];
+            if (this.styles[lineIndex]) {
+                currentCharStyle = this.styles[lineIndex][charIndex === 0 ? charIndex : charIndex - 1];
             }
             for (var index in this.styles[lineIndex]) {
                 var numIndex = parseInt(index, 10);
@@ -12401,7 +12432,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             }
             while (qty > 1) {
                 qty--;
-                if (copiedStyle[qty]) {
+                if (copiedStyle && copiedStyle[qty]) {
                     this.styles[lineIndex + qty] = {
                         0: clone(copiedStyle[qty])
                     };
@@ -12419,7 +12450,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             if (!this.styles) {
                 this.styles = {};
             }
-            var currentLineStyles = this.styles[lineIndex], currentLineStylesCloned = clone(currentLineStyles);
+            var currentLineStyles = this.styles[lineIndex], currentLineStylesCloned = currentLineStyles ? clone(currentLineStyles) : {};
             quantity || (quantity = 1);
             for (var index in currentLineStylesCloned) {
                 var numericIndex = parseInt(index, 10);
@@ -12433,6 +12464,12 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             this._forceClearCache = true;
             if (copiedStyle) {
                 while (quantity--) {
+                    if (!Object.keys(copiedStyle[quantity]).length) {
+                        continue;
+                    }
+                    if (!this.styles[lineIndex]) {
+                        this.styles[lineIndex] = {};
+                    }
                     this.styles[lineIndex][charIndex + quantity] = clone(copiedStyle[quantity]);
                 }
                 return;
@@ -12446,26 +12483,24 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
             }
         },
         insertNewStyleBlock: function(insertedText, start, copiedStyle) {
-            var cursorLoc = this.get2DCursorLocation(start, true), addingNewLines = 0, addingChars = 0;
+            var cursorLoc = this.get2DCursorLocation(start, true), addedLines = [ 0 ], linesLenght = 0;
             for (var i = 0; i < insertedText.length; i++) {
                 if (insertedText[i] === "\n") {
-                    if (addingChars) {
-                        this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingChars, copiedStyle);
-                        copiedStyle = copiedStyle && copiedStyle.slice(addingChars);
-                        addingChars = 0;
-                    }
-                    addingNewLines++;
+                    linesLenght++;
+                    addedLines[linesLenght] = 0;
                 } else {
-                    if (addingNewLines) {
-                        this.insertNewlineStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingNewLines, copiedStyle);
-                        copiedStyle = copiedStyle && copiedStyle.slice(addingNewLines);
-                        addingNewLines = 0;
-                    }
-                    addingChars++;
+                    addedLines[linesLenght]++;
                 }
             }
-            addingChars && this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingChars, copiedStyle);
-            addingNewLines && this.insertNewlineStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addingNewLines, copiedStyle);
+            if (addedLines[0] > 0) {
+                this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addedLines[0], copiedStyle);
+                copiedStyle = copiedStyle && copiedStyle.slice(addedLines[0] + 1);
+            }
+            linesLenght && this.insertNewlineStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex + addedLines[0], linesLenght);
+            for (var i = 1; i <= linesLenght; i++) {
+                this.insertCharStyleObject(cursorLoc.lineIndex + i, 0, addedLines[i], copiedStyle);
+                copiedStyle = copiedStyle && copiedStyle.slice(addedLines[i] + 1);
+            }
         },
         setSelectionStartEndWithShift: function(start, end, newSelection) {
             if (newSelection <= start) {
@@ -12792,7 +12827,7 @@ fabric.util.object.extend(fabric.IText.prototype, {
             return;
         }
         fabric.copiedText = this.getSelectedText();
-        fabric.copiedTextStyle = this.getSelectionStyles(this.selectionStart, this.selectionEnd);
+        fabric.copiedTextStyle = this.getSelectionStyles(this.selectionStart, this.selectionEnd, true);
         this._copyDone = true;
     },
     paste: function() {
diff --git a/package.json b/package.json
index e66e81ab..7ccd184a 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "fabric",
   "description": "Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.",
   "homepage": "http://fabricjs.com/",
-  "version": "2.0.0-beta.5",
+  "version": "2.0.0-beta.6",
   "author": "Juriy Zaytsev <kangax@gmail.com>",
   "contributors": [
     {