diff --git a/build.js b/build.js
index edd04b91..7dbb5f18 100644
--- a/build.js
+++ b/build.js
@@ -186,6 +186,7 @@ var filesToInclude = [
 
   ifSpecifiedInclude('interaction', 'src/canvas.class.js'),
   ifSpecifiedInclude('interaction', 'src/mixins/canvas_events.mixin.js'),
+  ifSpecifiedInclude('interaction', 'src/mixins/canvas_grouping.mixin.js'),
 
   'src/mixins/canvas_dataurl_exporter.mixin.js',
 
diff --git a/dist/all.js b/dist/all.js
index b589efd6..610713bc 100644
--- a/dist/all.js
+++ b/dist/all.js
@@ -8799,8 +8799,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       radiansToDegrees = fabric.util.radiansToDegrees,
       atan2 = Math.atan2,
       abs = Math.abs,
-      min = Math.min,
-      max = Math.max,
 
       STROKE_OFFSET = 0.5;
 
@@ -9168,6 +9166,9 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       return centerTransform ? !e.altKey : e.altKey;
     },
 
+    /**
+     * @private
+     */
     _getOriginFromCorner: function(target, corner) {
       var origin = {
         x: target.originX,
@@ -9191,6 +9192,9 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       return origin;
     },
 
+    /**
+     * @private
+     */
     _getActionFromCorner: function(target, corner) {
       var action = 'drag';
       if (corner) {
@@ -9249,96 +9253,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       this._resetCurrentTransform(e);
     },
 
-    /**
-     * @private
-     * @param {Event} e Event object
-     * @param {fabric.Object} target
-     * @return {Boolean}
-     */
-    _shouldHandleGroupLogic: function(e, target) {
-      var activeObject = this.getActiveObject();
-      return e.shiftKey &&
-            (this.getActiveGroup() || (activeObject && activeObject !== target))
-            && this.selection;
-    },
-
-    /**
-     * @private
-     * @param {Event} e Event object
-     * @param {fabric.Object} target
-     */
-    _handleGroupLogic: function (e, target) {
-
-      if (target === this.getActiveGroup()) {
-
-        // if it's a group, find target again, this time skipping group
-        target = this.findTarget(e, true);
-
-        // if even object is not found, bail out
-        if (!target || target.isType('group')) {
-          return;
-        }
-      }
-      if (this.getActiveGroup()) {
-        this._updateActiveGroup(target, e);
-      }
-      else {
-        this._createActiveGroup(target, e);
-      }
-
-      if (this._activeGroup) {
-        this._activeGroup.saveCoords();
-      }
-    },
-
-    _updateActiveGroup: function(target, e) {
-      var activeGroup = this.getActiveGroup();
-
-      if (activeGroup.contains(target)) {
-        activeGroup.removeWithUpdate(target);
-        this._resetObjectTransform(activeGroup);
-        target.set('active', false);
-
-        if (activeGroup.size() === 1) {
-          // remove group alltogether if after removal it only contains 1 object
-          this.discardActiveGroup(e);
-          // activate last remaining object
-          this.setActiveObject(activeGroup.item(0));
-          return;
-        }
-      }
-      else {
-        activeGroup.addWithUpdate(target);
-        this._resetObjectTransform(activeGroup);
-      }
-      this.fire('selection:created', { target: activeGroup, e: e });
-      activeGroup.set('active', true);
-    },
-
-    _createActiveGroup: function(target, e) {
-      // group does not exist
-      if (this._activeObject) {
-        // only if there's an active object
-        if (target !== this._activeObject) {
-          // and that object is not the actual target
-          var objects = this.getObjects();
-          var isActiveLower = objects.indexOf(this._activeObject) < objects.indexOf(target);
-          var groupObjects = isActiveLower
-              ? [ target, this._activeObject ]
-              : [ this._activeObject, target ];
-
-          var group = new fabric.Group(groupObjects, { originX: 'center', originY: 'center' });
-
-          this.setActiveGroup(group);
-          this._activeObject = null;
-          var activeGroup = this.getActiveGroup();
-          this.fire('selection:created', { target: activeGroup, e: e });
-        }
-      }
-      // activate target object in any case
-      target.set('active', true);
-    },
-
     /**
      * Translates object by "setting" its left/top
      * @private
@@ -9604,65 +9518,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       }
     },
 
-    /**
-     * @private
-     * @param {Event} e mouse event
-     */
-    _groupSelectedObjects: function (e) {
-
-      var group = this._collectObjects();
-
-      // do not create group for 1 element only
-      if (group.length === 1) {
-        this.setActiveObject(group[0], e);
-      }
-      else if (group.length > 1) {
-        group = new fabric.Group(group.reverse(), {
-          originX: 'center',
-          originY: 'center'
-        });
-        this.setActiveGroup(group, e);
-        group.saveCoords();
-        this.fire('selection:created', { target: group });
-        this.renderAll();
-      }
-    },
-
-    /**
-     * @private
-     */
-    _collectObjects: function() {
-      var group = [ ],
-          currentObject,
-          x1 = this._groupSelector.ex,
-          y1 = this._groupSelector.ey,
-          x2 = x1 + this._groupSelector.left,
-          y2 = y1 + this._groupSelector.top,
-          selectionX1Y1 = new fabric.Point(min(x1, x2), min(y1, y2)),
-          selectionX2Y2 = new fabric.Point(max(x1, x2), max(y1, y2)),
-          isClick = x1 === x2 && y1 === y2;
-
-      for (var i = this._objects.length; i--; ) {
-        currentObject = this._objects[i];
-
-        if (!currentObject || !currentObject.selectable || !currentObject.visible) continue;
-
-        if (currentObject.intersectsWithRect(selectionX1Y1, selectionX2Y2) ||
-            currentObject.isContainedWithinRect(selectionX1Y1, selectionX2Y2) ||
-            currentObject.containsPoint(selectionX1Y1) ||
-            currentObject.containsPoint(selectionX2Y2)
-        ) {
-          currentObject.set('active', true);
-          group.push(currentObject);
-
-          // only add one object if it's a click
-          if (isClick) break;
-        }
-      }
-
-      return group;
-    },
-
     /**
      * Method that determines what object we are clicking on
      * @param {Event} e mouse event
@@ -10260,26 +10115,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       target && target.fire('mouseup', { e: e });
     },
 
-    /**
-     * @private
-     */
-    _maybeGroupObjects: function(e) {
-      if (this.selection && this._groupSelector) {
-        this._groupSelectedObjects(e);
-      }
-
-      var activeGroup = this.getActiveGroup();
-      if (activeGroup) {
-        activeGroup.setObjectsCoords();
-        activeGroup.isMoving = false;
-        this._setCursor(this.defaultCursor);
-      }
-
-      // clear selection and current transformation
-      this._groupSelector = null;
-      this._currentTransform = null;
-    },
-
     /**
      * @private
      */
@@ -10399,8 +10234,8 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       if (this._shouldClearSelection(e, target)) {
         this._clearSelection(e, target, pointer);
       }
-      else if (this._shouldHandleGroupLogic(e, target)) {
-        this._handleGroupLogic(e, target);
+      else if (this._shouldGroup(e, target)) {
+        this._handleGrouping(e, target);
         target = this.getActiveGroup();
       }
       else if (target && target.selectable) {
@@ -10683,6 +10518,194 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
 })();
 
 
+(function(){
+
+  var min = Math.min,
+      max = Math.max;
+
+  fabric.util.object.extend(fabric.Canvas.prototype, /** @lends fabric.Canvas.prototype */ {
+
+    /**
+     * @private
+     * @param {Event} e Event object
+     * @param {fabric.Object} target
+     * @return {Boolean}
+     */
+    _shouldGroup: function(e, target) {
+      var activeObject = this.getActiveObject();
+      return e.shiftKey &&
+            (this.getActiveGroup() || (activeObject && activeObject !== target))
+            && this.selection;
+    },
+
+    /**
+     * @private
+     * @param {Event} e Event object
+     * @param {fabric.Object} target
+     */
+    _handleGrouping: function (e, target) {
+
+      if (target === this.getActiveGroup()) {
+
+        // if it's a group, find target again, this time skipping group
+        target = this.findTarget(e, true);
+
+        // if even object is not found, bail out
+        if (!target || target.isType('group')) {
+          return;
+        }
+      }
+      if (this.getActiveGroup()) {
+        this._updateActiveGroup(target, e);
+      }
+      else {
+        this._createActiveGroup(target, e);
+      }
+
+      if (this._activeGroup) {
+        this._activeGroup.saveCoords();
+      }
+    },
+
+    /**
+     * @private
+     */
+    _updateActiveGroup: function(target, e) {
+      var activeGroup = this.getActiveGroup();
+
+      if (activeGroup.contains(target)) {
+
+        activeGroup.removeWithUpdate(target);
+        this._resetObjectTransform(activeGroup);
+        target.set('active', false);
+
+        if (activeGroup.size() === 1) {
+          // remove group alltogether if after removal it only contains 1 object
+          this.discardActiveGroup(e);
+          // activate last remaining object
+          this.setActiveObject(activeGroup.item(0));
+          return;
+        }
+      }
+      else {
+        activeGroup.addWithUpdate(target);
+        this._resetObjectTransform(activeGroup);
+      }
+      this.fire('selection:created', { target: activeGroup, e: e });
+      activeGroup.set('active', true);
+    },
+
+    /**
+     * @private
+     */
+    _createActiveGroup: function(target, e) {
+      if (this._activeObject) {
+        // only if there's an active object
+        if (target !== this._activeObject) {
+          // and that object is not the actual target
+          var objects = this.getObjects();
+          var isActiveLower = objects.indexOf(this._activeObject) < objects.indexOf(target);
+          var groupObjects = isActiveLower
+              ? [ target, this._activeObject ]
+              : [ this._activeObject, target ];
+
+          var group = new fabric.Group(groupObjects, { originX: 'center', originY: 'center' });
+
+          this.setActiveGroup(group);
+          this._activeObject = null;
+
+          var activeGroup = this.getActiveGroup();
+
+          this.fire('selection:created', { target: activeGroup, e: e });
+        }
+      }
+      // activate target object in any case
+      target.set('active', true);
+    },
+
+    /**
+     * @private
+     * @param {Event} e mouse event
+     */
+    _groupSelectedObjects: function (e) {
+
+      var group = this._collectObjects();
+
+      // do not create group for 1 element only
+      if (group.length === 1) {
+        this.setActiveObject(group[0], e);
+      }
+      else if (group.length > 1) {
+        group = new fabric.Group(group.reverse(), {
+          originX: 'center',
+          originY: 'center'
+        });
+        this.setActiveGroup(group, e);
+        group.saveCoords();
+        this.fire('selection:created', { target: group });
+        this.renderAll();
+      }
+    },
+
+    /**
+     * @private
+     */
+    _collectObjects: function() {
+      var group = [ ],
+          currentObject,
+          x1 = this._groupSelector.ex,
+          y1 = this._groupSelector.ey,
+          x2 = x1 + this._groupSelector.left,
+          y2 = y1 + this._groupSelector.top,
+          selectionX1Y1 = new fabric.Point(min(x1, x2), min(y1, y2)),
+          selectionX2Y2 = new fabric.Point(max(x1, x2), max(y1, y2)),
+          isClick = x1 === x2 && y1 === y2;
+
+      for (var i = this._objects.length; i--; ) {
+        currentObject = this._objects[i];
+
+        if (!currentObject || !currentObject.selectable || !currentObject.visible) continue;
+
+        if (currentObject.intersectsWithRect(selectionX1Y1, selectionX2Y2) ||
+            currentObject.isContainedWithinRect(selectionX1Y1, selectionX2Y2) ||
+            currentObject.containsPoint(selectionX1Y1) ||
+            currentObject.containsPoint(selectionX2Y2)
+        ) {
+          currentObject.set('active', true);
+          group.push(currentObject);
+
+          // only add one object if it's a click
+          if (isClick) break;
+        }
+      }
+
+      return group;
+    },
+
+    /**
+     * @private
+     */
+    _maybeGroupObjects: function(e) {
+      if (this.selection && this._groupSelector) {
+        this._groupSelectedObjects(e);
+      }
+
+      var activeGroup = this.getActiveGroup();
+      if (activeGroup) {
+        activeGroup.setObjectsCoords();
+        activeGroup.isMoving = false;
+        this._setCursor(this.defaultCursor);
+      }
+
+      // clear selection and current transformation
+      this._groupSelector = null;
+      this._currentTransform = null;
+    }
+  });
+
+})();
+
+
 fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {
 
   /**
diff --git a/dist/all.min.js b/dist/all.min.js
index a93f7211..04b6aee9 100644
--- a/dist/all.min.js
+++ b/dist/all.min.js
@@ -1,7 +1,7 @@
 /* build: `node build.js modules=ALL exclude=gestures minifier=uglifyjs` *//*! Fabric.js Copyright 2008-2013, Printio (Juriy Zaytsev, Maxim Chernyak) */var fabric=fabric||{version:"1.3.10"};typeof exports!="undefined"&&(exports.fabric=fabric),typeof document!="undefined"&&typeof window!="undefined"?(fabric.document=document,fabric.window=window):(fabric.document=require("jsdom").jsdom("<!DOCTYPE html><html><head></head><body></body></html>"),fabric.window=fabric.document.createWindow()),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode=typeof Buffer!="undefined"&&typeof window=="undefined",fabric.SHARED_ATTRIBUTES=["transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width"];var Cufon=function(){function r(e){var t=this.face=e.face;this.glyphs=e.glyphs,this.w=e.w,this.baseSize=parseInt(t["units-per-em"],10),this.family=t["font-family"].toLowerCase(),this.weight=t["font-weight"],this.style=t["font-style"]||"normal",this.viewBox=function(){var e=t.bbox.split(/\s+/),n={minX:parseInt(e[0],10),minY:parseInt(e[1],10),maxX:parseInt(e[2],10),maxY:parseInt(e[3],10)};return n.width=n.maxX-n.minX,n.height=n.maxY-n.minY,n.toString=function(){return[this.minX,this.minY,this.width,this.height].join(" ")},n}(),this.ascent=-parseInt(t.ascent,10),this.descent=-parseInt(t.descent,10),this.height=-this.ascent+this.descent}function i(){var e={},t={oblique:"italic",italic:"oblique"};this.add=function(t){(e[t.style]||(e[t.style]={}))[t.weight]=t},this.get=function(n,r){var i=e[n]||e[t[n]]||e.normal||e.italic||e.oblique;if(!i)return null;r={normal:400,bold:700}[r]||parseInt(r,10);if(i[r])return i[r];var s={1:1,99:0}[r%100],o=[],u,a;s===undefined&&(s=r>400),r==500&&(r=400);for(var f in i){f=parseInt(f,10);if(!u||f<u)u=f;if(!a||f>a)a=f;o.push(f)}return r<u&&(r=u),r>a&&(r=a),o.sort(function(e,t){return(s?e>r&&t>r?e<t:e>t:e<r&&t<r?e>t:e<t)?-1:1}),i[o[0]]}}function s(){function t(e,t){return e.contains?e.contains(t):e.compareDocumentPosition(t)&16}function n(e){var n=e.relatedTarget;if(!n||t(this,n))return;i(this)}function r(e){i(this)}function i(t){setTimeout(function(){e.replace(t,g.get(t).options,!0)},10)}this.attach=function(e){e.onmouseenter===undefined?(a(e,"mouseover",n),a(e,"mouseout",n)):(a(e,"mouseenter",r),a(e,"mouseleave",r))}}function o(){function n(e){return e.cufid||(e.cufid=++t)}var e={},t=0;this.get=function(t){var r=n(t);return e[r]||(e[r]={})}}function u(e){var t={},r={};this.get=function(n){return t[n]!=undefined?t[n]:e[n]},this.getSize=function(e,t){return r[e]||(r[e]=new n.Size(this.get(e),t))},this.extend=function(e){for(var n in e)t[n]=e[n];return this}}function a(e,t,n){e.addEventListener?e.addEventListener(t,n,!1):e.attachEvent&&e.attachEvent("on"+t,function(){return n.call(e,fabric.window.event)})}function f(e,t){var n=g.get(e);return n.options?e:(t.hover&&t.hoverables[e.nodeName.toLowerCase()]&&y.attach(e),n.options=t,e)}function l(e){var t={};return function(n){return t.hasOwnProperty(n)||(t[n]=e.apply(null,arguments)),t[n]}}function c(e,t){t||(t=n.getStyle(e));var r=n.quotedList(t.get("fontFamily").toLowerCase()),i;for(var s=0,o=r.length;s<o;++s){i=r[s];if(E[i])return E[i].get(t.get("fontStyle"),t.get("fontWeight"))}return null}function h(e){return fabric.document.getElementsByTagName(e)}function p(){var e={},t;for(var n=0,r=arguments.length;n<r;++n)for(t in arguments[n])e[t]=arguments[n][t];return e}function d(e,t,r,i,s,o){var u=i.separate;if(u=="none")return w[i.engine].apply(null,arguments);var a=fabric.document.createDocumentFragment(),f,l=t.split(x[u]),c=u=="words";c&&m&&(/^\s/.test(t)&&l.unshift(""),/\s$/.test(t)&&l.push(""));for(var h=0,p=l.length;h<p;++h)f=w[i.engine](e,c?n.textAlign(l[h],r,h,p):l[h],r,i,s,o,h<p-1),f&&a.appendChild(f);return a}function v(e,t){var r,i,s,o;for(var u=f(e,t).firstChild;u;u=s){s=u.nextSibling,o=!1;if(u.nodeType==1){if(!u.firstChild)continue;if(!/cufon/.test(u.className)){arguments.callee(u,t);continue}o=!0}i||(i=n.getStyle(e).extend(t)),r||(r=c(e,i));if(!r)continue;if(o){w[t.engine](r,null,i,t,u,e);continue}var a=u.data;typeof G_vmlCanvasManager!="undefined"&&(a=a.replace(/\r/g,"\n"));if(a==="")continue;var l=d(r,a,i,t,u,e);l?u.parentNode.replaceChild(l,u):u.parentNode.removeChild(u)}}var e=function(){return e.replace.apply(null,arguments)},t=e.DOM={ready:function(){var e=!1,t={loaded:1,complete:1},n=[],r=function(){if(e)return;e=!0;for(var t;t=n.shift();t());};return fabric.document.addEventListener&&(fabric.document.addEventListener("DOMContentLoaded",r,!1),fabric.window.addEventListener("pageshow",r,!1)),!fabric.window.opera&&fabric.document.readyState&&function(){t[fabric.document.readyState]?r():setTimeout(arguments.callee,10)}(),fabric.document.readyState&&fabric.document.createStyleSheet&&function(){try{fabric.document.body.doScroll("left"),r()}catch(e){setTimeout(arguments.callee,1)}}(),a(fabric.window,"load",r),function(t){arguments.length?e?t():n.push(t):r()}}()},n=e.CSS={Size:function(e,t){this.value=parseFloat(e),this.unit=String(e).match(/[a-z%]*$/)[0]||"px",this.convert=function(e){return e/t*this.value},this.convertFrom=function(e){return e/this.value*t},this.toString=function(){return this.value+this.unit}},getStyle:function(e){return new u(e.style)},quotedList:l(function(e){var t=[],n=/\s*((["'])([\s\S]*?[^\\])\2|[^,]+)\s*/g,r;while(r=n.exec(e))t.push(r[3]||r[1]);return t}),ready:function(){var e=!1,n=[],r=function(){e=!0;for(var 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new n(this.x-e.x,this.y-e.y)},subtractEquals:function(e){return this.x-=e.x,this.y-=e.y,this},scalarSubtract:function(e){return new n(this.x-e,this.y-e)},scalarSubtractEquals:function(e){return this.x-=e,this.y-=e,this},multiply:function(e){return new n(this.x*e,this.y*e)},multiplyEquals:function(e){return this.x*=e,this.y*=e,this},divide:function(e){return new n(this.x/e,this.y/e)},divideEquals:function(e){return this.x/=e,this.y/=e,this},eq:function(e){return this.x===e.x&&this.y===e.y},lt:function(e){return this.x<e.x&&this.y<e.y},lte:function(e){return this.x<=e.x&&this.y<=e.y},gt:function(e){return this.x>e.x&&this.y>e.y},gte:function(e){return this.x>=e.x&&this.y>=e.y},lerp:function(e,t){return new n(this.x+(e.x-this.x)*t,this.y+(e.y-this.y)*t)},distanceFrom:function(e){var t=this.x-e.x,n=this.y-e.y;return Math.sqrt(t*t+n*n)},midPointFrom:function(e){return new n(this.x+(e.x-this.x)/2,this.y+(e.y-this.y)/2)},min:function(e){return new n(Math.min(this.x,e.x),Math.min(this.y,e.y))},max:function(e){return new n(Math.max(this.x,e.x),Math.max(this.y,e.y))},toString:function(){return this.x+","+this.y},setXY:function(e,t){this.x=e,this.y=t},setFromPoint:function(e){this.x=e.x,this.y=e.y},swap:function(e){var t=this.x,n=this.y;this.x=e.x,this.y=e.y,e.x=t,e.y=n}}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function n(e){this.status=e,this.points=[]}var t=e.fabric||(e.fabric={});if(t.Intersection){t.warn("fabric.Intersection is already defined");return}t.Intersection=n,t.Intersection.prototype={appendPoint:function(e){this.points.push(e)},appendPoints:function(e){this.points=this.points.concat(e)}},t.Intersection.intersectLineLine=function(e,r,i,s){var o,u=(s.x-i.x)*(e.y-i.y)-(s.y-i.y)*(e.x-i.x),a=(r.x-e.x)*(e.y-i.y)-(r.y-e.y)*(e.x-i.x),f=(s.y-i.y)*(r.x-e.x)-(s.x-i.x)*(r.y-e.y);if(f!==0){var l=u/f,c=a/f;0<=l&&l<=1&&0<=c&&c<=1?(o=new n("Intersection"),o.points.push(new t.Point(e.x+l*(r.x-e.x),e.y+l*(r.y-e.y)))):o=new n}else u===0||a===0?o=new n("Coincident"):o=new n("Parallel");return o},t.Intersection.intersectLinePolygon=function(e,t,r){var i=new n,s=r.length;for(var o=0;o<s;o++){var u=r[o],a=r[(o+1)%s],f=n.intersectLineLine(e,t,u,a);i.appendPoints(f.points)}return i.points.length>0&&(i.status="Intersection"),i},t.Intersection.intersectPolygonPolygon=function(e,t){var r=new n,i=e.length;for(var s=0;s<i;s++){var o=e[s],u=e[(s+1)%i],a=n.intersectLinePolygon(o,u,t);r.appendPoints(a.points)}return r.points.length>0&&(r.status="Intersection"),r},t.Intersection.intersectPolygonRectangle=function(e,r,i){var s=r.min(i),o=r.max(i),u=new t.Point(o.x,s.y),a=new t.Point(s.x,o.y),f=n.intersectLinePolygon(s,u,e),l=n.intersectLinePolygon(u,o,e),c=n.intersectLinePolygon(o,a,e),h=n.intersectLinePolygon(a,s,e),p=new n;return p.appendPoints(f.points),p.appendPoints(l.points),p.appendPoints(c.points),p.appendPoints(h.points),p.points.length>0&&(p.status="Intersection"),p}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function n(e){e?this._tryParsingColor(e):this.setSource([0,0,0,1])}function r(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+(t-e)*6*n:n<.5?t:n<2/3?e+(t-e)*(2/3-n)*6:e}var t=e.fabric||(e.fabric={});if(t.Color){t.warn("fabric.Color is already defined.");return}t.Color=n,t.Color.prototype={_tryParsingColor:function(e){var t;e in n.colorNameMap&&(e=n.colorNameMap[e]),t=n.sourceFromHex(e),t||(t=n.sourceFromRgb(e)),t||(t=n.sourceFromHsl(e)),t&&this.setSource(t)},_rgbToHsl:function(e,n,r){e/=255,n/=255,r/=255;var i,s,o,u=t.util.array.max([e,n,r]),a=t.util.array.min([e,n,r]);o=(u+a)/2;if(u===a)i=s=0;else{var f=u-a;s=o>.5?f/(2-u-a):f/(u+a);switch(u){case e:i=(n-r)/f+(n<r?6:0);break;case n:i=(r-e)/f+2;break;case r:i=(e-n)/f+4}i/=6}return[Math.round(i*360),Math.round(s*100),Math.round(o*100)]},getSource:function(){return this._source},setSource:function(e){this._source=e},toRgb:function(){var e=this.getSource();return"rgb("+e[0]+","+e[1]+","+e[2]+")"},toRgba:function(){var e=this.getSource();return"rgba("+e[0]+","+e[1]+","+e[2]+","+e[3]+")"},toHsl:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return"hsl("+t[0]+","+t[1]+"%,"+t[2]+"%)"},toHsla:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return"hsla("+t[0]+","+t[1]+"%,"+t[2]+"%,"+e[3]+")"},toHex:function(){var e=this.getSource(),t=e[0].toString(16);t=t.length===1?"0"+t:t;var n=e[1].toString(16);n=n.length===1?"0"+n:n;var r=e[2].toString(16);return r=r.length===1?"0"+r:r,t.toUpperCase()+n.toUpperCase()+r.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(e){var t=this.getSource();return t[3]=e,this.setSource(t),this},toGrayscale:function(){var e=this.getSource(),t=parseInt((e[0]*.3+e[1]*.59+e[2]*.11).toFixed(0),10),n=e[3];return this.setSource([t,t,t,n]),this},toBlackWhite:function(e){var t=this.getSource(),n=(t[0]*.3+t[1]*.59+t[2]*.11).toFixed(0),r=t[3];return e=e||127,n=Number(n)<Number(e)?0:255,this.setSource([n,n,n,r]),this},overlayWith:function(e){e instanceof n||(e=new n(e));var t=[],r=this.getAlpha(),i=.5,s=this.getSource(),o=e.getSource();for(var u=0;u<3;u++)t.push(Math.round(s[u]*(1-i)+o[u]*i));return t[3]=r,this.setSource(t),this}},t.Color.reRGBa=/^rgba?\(\s*(\d{1,3}\%?)\s*,\s*(\d{1,3}\%?)\s*,\s*(\d{1,3}\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,t.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,t.Color.reHex=/^#?([0-9a-f]{6}|[0-9a-f]{3})$/i,t.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"},t.Color.fromRgb=function(e){return n.fromSource(n.sourceFromRgb(e))},t.Color.sourceFromRgb=function(e){var t=e.match(n.reRGBa);if(t){var r=parseInt(t[1],10)/(/%$/.test(t[1])?100:1)*(/%$/.test(t[1])?255:1),i=parseInt(t[2],10)/(/%$/.test(t[2])?100:1)*(/%$/.test(t[2])?255:1),s=parseInt(t[3],10)/(/%$/.test(t[3])?100:1)*(/%$/.test(t[3])?255:1);return[parseInt(r,10),parseInt(i,10),parseInt(s,10),t[4]?parseFloat(t[4]):1]}},t.Color.fromRgba=n.fromRgb,t.Color.fromHsl=function(e){return n.fromSource(n.sourceFromHsl(e))},t.Color.sourceFromHsl=function(e){var t=e.match(n.reHSLa);if(!t)return;var i=(parseFloat(t[1])%360+360)%360/360,s=parseFloat(t[2])/(/%$/.test(t[2])?100:1),o=parseFloat(t[3])/(/%$/.test(t[3])?100:1),u,a,f;if(s===0)u=a=f=o;else{var l=o<=.5?o*(s+1):o+s-o*s,c=o*2-l;u=r(c,l,i+1/3),a=r(c,l,i),f=r(c,l,i-1/3)}return[Math.round(u*255),Math.round(a*255),Math.round(f*255),t[4]?parseFloat(t[4]):1]},t.Color.fromHsla=n.fromHsl,t.Color.fromHex=function(e){return n.fromSource(n.sourceFromHex(e))},t.Color.sourceFromHex=function(e){if(e.match(n.reHex)){var t=e.slice(e.indexOf("#")+1),r=t.length===3,i=r?t.charAt(0)+t.charAt(0):t.substring(0,2),s=r?t.charAt(1)+t.charAt(1):t.substring(2,4),o=r?t.charAt(2)+t.charAt(2):t.substring(4,6);return[parseInt(i,16),parseInt(s,16),parseInt(o,16),1]}},t.Color.fromSource=function(e){var t=new n;return t.setSource(e),t}}(typeof exports!="undefined"?exports:this),function(){function e(e){var t=e.getAttribute("style"),n=e.getAttribute("offset"),r,i;n=parseFloat(n)/(/%$/.test(n)?100:1);if(t){var s=t.split(/\s*;\s*/);s[s.length-1]===""&&s.pop();for(var o=s.length;o--;){var u=s[o].split(/\s*:\s*/),a=u[0].trim(),f=u[1].trim();a==="stop-color"?r=f:a==="stop-opacity"&&(i=f)}}return r||(r=e.getAttribute("stop-color")||"rgb(0,0,0)"),i||(i=e.getAttribute("stop-opacity")),r=(new fabric.Color(r)).toRgb(),{offset:n,color:r,opacity:isNaN(parseFloat(i))?1:parseFloat(i)}}function t(e){return{x1:e.getAttribute("x1")||0,y1:e.getAttribute("y1")||0,x2:e.getAttribute("x2")||"100%",y2:e.getAttribute("y2")||0}}function n(e){return{x1:e.getAttribute("fx")||e.getAttribute("cx")||"50%",y1:e.getAttribute("fy")||e.getAttribute("cy")||"50%",r1:0,x2:e.getAttribute("cx")||"50%",y2:e.getAttribute("cy")||"50%",r2:e.getAttribute("r")||"50%"}}function r(e,t){for(var n in t){if(typeof t[n]=="string"&&/^\d+%$/.test(t[n])){var r=parseFloat(t[n],10);if(n==="x1"||n==="x2"||n==="r2")t[n]=fabric.util.toFixed(e.width*r/100,2);else if(n==="y1"||n==="y2")t[n]=fabric.util.toFixed(e.height*r/100,2)}i(t,n,e)}}function i(e,t,n){if(t==="x1"||t==="x2")e[t]-=fabric.util.toFixed(n.width/2,2);else if(t==="y1"||t==="y2")e[t]-=fabric.util.toFixed(n.height/2,2)}function s(e,t){for(var n in t){i(t,n,e);if(n==="x1"||n==="x2"||n==="r2")t[n]=fabric.util.toFixed(t[n]/e.width*100,2)+"%";else if(n==="y1"||n==="y2")t[n]=fabric.util.toFixed(t[n]/e.height*100,2)+"%"}}fabric.Gradient=fabric.util.createClass({initialize:function(e){e||(e={});var t={};this.id=fabric.Object.__uid++,this.type=e.type||"linear",t={x1:e.coords.x1||0,y1:e.coords.y1||0,x2:e.coords.x2||0,y2:e.coords.y2||0},this.type==="radial"&&(t.r1=e.coords.r1||0,t.r2=e.coords.r2||0),this.coords=t,this.gradientUnits=e.gradientUnits||"objectBoundingBox",this.colorStops=e.colorStops.slice()},addColorStop:function(e){for(var t in e){var n=new fabric.Color(e[t]);this.colorStops.push({offset:t,color:n.toRgb(),opacity:n.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,gradientUnits:this.gradientUnits,colorStops:this.colorStops}},toSVG:function(e,t){var n=fabric.util.object.clone(this.coords),r;this.colorStops.sort(function(e,t){return e.offset-t.offset}),t&&this.gradientUnits==="userSpaceOnUse"?(n.x1+=e.width/2,n.y1+=e.height/2,n.x2+=e.width/2,n.y2+=e.height/2):this.gradientUnits==="objectBoundingBox"&&s(e,n),this.type==="linear"?r=["<linearGradient ",'id="SVGID_',this.id,'" gradientUnits="',this.gradientUnits,'" x1="',n.x1,'" y1="',n.y1,'" x2="',n.x2,'" y2="',n.y2,'">']:this.type==="radial"&&(r=["<radialGradient ",'id="SVGID_',this.id,'" gradientUnits="',this.gradientUnits,'" cx="',n.x2,'" cy="',n.y2,'" r="',n.r2,'" fx="',n.x1,'" fy="',n.y1,'">']);for(var i=0;i<this.colorStops.length;i++)r.push("<stop ",'offset="',this.colorStops[i].offset*100+"%",'" style="stop-color:',this.colorStops[i].color,this.colorStops[i].opacity?";stop-opacity: "+this.colorStops[i].opacity:";",'"/>');return r.push(this.type==="linear"?"</linearGradient>":"</radialGradient>"),r.join("")},toLive:function(e){var t;if(!this.type)return;this.type==="linear"?t=e.createLinearGradient(this.coords.x1,this.coords.y1,this.coords.x2,this.coords.y2):this.type==="radial"&&(t=e.createRadialGradient(this.coords.x1,this.coords.y1,this.coords.r1,this.coords.x2,this.coords.y2,this.coords.r2));for(var n=0,r=this.colorStops.length;n<r;n++){var i=this.colorStops[n].color,s=this.colorStops[n].opacity,o=this.colorStops[n].offset;typeof s!="undefined"&&(i=(new fabric.Color(i)).setAlpha(s).toRgba()),t.addColorStop(parseFloat(o),i)}return t}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(i,s){var o=i.getElementsByTagName("stop"),u=i.nodeName==="linearGradient"?"linear":"radial",a=i.getAttribute("gradientUnits")||"objectBoundingBox",f=[],l={};u==="linear"?l=t(i):u==="radial"&&(l=n(i));for(var c=o.length;c--;)f.push(e(o[c]));return r(s,l),new fabric.Gradient({type:u,coords:l,gradientUnits:a,colorStops:f})},forObject:function(e,t){return t||(t={}),r(e,t),new fabric.Gradient(t)}})}(),fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(e){e||(e={}),this.id=fabric.Object.__uid++;if(e.source)if(typeof e.source=="string")if(typeof fabric.util.getFunctionBody(e.source)!="undefined")this.source=new Function(fabric.util.getFunctionBody(e.source));else{var t=this;this.source=fabric.util.createImage(),fabric.util.loadImage(e.source,function(e){t.source=e})}else this.source=e.source;e.repeat&&(this.repeat=e.repeat),e.offsetX&&(this.offsetX=e.offsetX),e.offsetY&&(this.offsetY=e.offsetY)},toObject:function(){var e;return typeof this.source=="function"?e=String(this.source):typeof this.source.src=="string"&&(e=this.source.src),{source:e,repeat:this.repeat,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(e){var t=typeof this.source=="function"?this.source():this.source,n=t.width/e.getWidth(),r=t.height/e.getHeight(),i="";return t.src?i=t.src:t.toDataURL&&(i=t.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+this.offsetX+'" y="'+this.offsetY+'" width="'+n+'" height="'+r+'">'+'<image x="0" y="0"'+' width="'+t.width+'" height="'+t.height+'" xlink:href="'+i+'"></image>'+"</pattern>"},toLive:function(e){var t=typeof this.source=="function"?this.source():this.source;if(typeof t.src!="undefined"){
-if(!t.complete)return"";if(t.naturalWidth===0||t.naturalHeight===0)return""}return e.createPattern(t,this.repeat)}}),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Shadow){t.warn("fabric.Shadow is already defined.");return}t.Shadow=t.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(e){typeof e=="string"&&(e=this._parseShadow(e));for(var n in e)this[n]=e[n];this.id=t.Object.__uid++},_parseShadow:function(e){var n=e.trim(),r=t.Shadow.reOffsetsAndBlur.exec(n)||[],i=n.replace(t.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:i.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(e){var t="SourceAlpha";return e&&(e.fill===this.color||e.stroke===this.color)&&(t="SourceGraphic"),'<filter id="SVGID_'+this.id+'" y="-40%" height="180%">'+'<feGaussianBlur in="'+t+'" stdDeviation="'+(this.blur?this.blur/3:0)+'"></feGaussianBlur>'+'<feOffset dx="'+this.offsetX+'" dy="'+this.offsetY+'"></feOffset>'+"<feMerge>"+"<feMergeNode></feMergeNode>"+'<feMergeNode in="SourceGraphic"></feMergeNode>'+"</feMerge>"+"</filter>"},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY};var e={},n=t.Shadow.prototype;return this.color!==n.color&&(e.color=this.color),this.blur!==n.blur&&(e.blur=this.blur),this.offsetX!==n.offsetX&&(e.offsetX=this.offsetX),this.offsetY!==n.offsetY&&(e.offsetY=this.offsetY),e}}),t.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/}(typeof exports!="undefined"?exports:this),function(){"use strict";if(fabric.StaticCanvas){fabric.warn("fabric.StaticCanvas is already defined.");return}var e=fabric.util.object.extend,t=fabric.util.getElementOffset,n=fabric.util.removeFromArray,r=fabric.util.removeListener,i=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(e,t){t||(t={}),this._initStatic(e,t),fabric.StaticCanvas.activeInstance=this},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,onBeforeScaleRotate:function(){},_initStatic:function(e,t){this._objects=[],this._createLowerCanvas(e),this._initOptions(t),t.overlayImage&&this.setOverlayImage(t.overlayImage,this.renderAll.bind(this)),t.backgroundImage&&this.setBackgroundImage(t.backgroundImage,this.renderAll.bind(this)),t.backgroundColor&&this.setBackgroundColor(t.backgroundColor,this.renderAll.bind(this)),t.overlayColor&&this.setOverlayColor(t.overlayColor,this.renderAll.bind(this)),this.calcOffset()},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(e,t,n){return this.__setBgOverlayImage("overlayImage",e,t,n)},setBackgroundImage:function(e,t,n){return this.__setBgOverlayImage("backgroundImage",e,t,n)},setOverlayColor:function(e,t){return this.__setBgOverlayColor("overlayColor",e,t)},setBackgroundColor:function(e,t){return this.__setBgOverlayColor("backgroundColor",e,t)},__setBgOverlayImage:function(e,t,n,r){return typeof t=="string"?fabric.util.loadImage(t,function(t){this[e]=new fabric.Image(t,r),n&&n()},this):(this[e]=t,n&&n()),this},__setBgOverlayColor:function(e,t,n){if(t.source){var r=this;fabric.util.loadImage(t.source,function(i){r[e]=new fabric.Pattern({source:i,repeat:t.repeat,offsetX:t.offsetX,offsetY:t.offsetY}),n&&n()})}else this[e]=t,n&&n();return this},_createCanvasElement:function(){var e=fabric.document.createElement("canvas");e.style||(e.style={});if(!e)throw i;return this._initCanvasElement(e),e},_initCanvasElement:function(e){fabric.util.createCanvasElement(e);if(typeof e.getContext=="undefined")throw i},_initOptions:function(e){for(var t in e)this[t]=e[t];this.width=parseInt(this.lowerCanvasEl.width,10)||0,this.height=parseInt(this.lowerCanvasEl.height,10)||0;if(!this.lowerCanvasEl.style)return;this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px"},_createLowerCanvas:function(e){this.lowerCanvasEl=fabric.util.getById(e)||this._createCanvasElement(),this._initCanvasElement(this.lowerCanvasEl),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(e){return this._setDimension("width",e)},setHeight:function(e){return this._setDimension("height",e)},setDimensions:function(e){for(var t in e)this._setDimension(t,e[t]);return this},_setDimension:function(e,t){return this.lowerCanvasEl[e]=t,this.lowerCanvasEl.style[e]=t+"px",this.upperCanvasEl&&(this.upperCanvasEl[e]=t,this.upperCanvasEl.style[e]=t+"px"),this.cacheCanvasEl&&(this.cacheCanvasEl[e]=t),this.wrapperEl&&(this.wrapperEl.style[e]=t+"px"),this[e]=t,this.calcOffset(),this.renderAll(),this},getElement:function(){return this.lowerCanvasEl},getActiveObject:function(){return null},getActiveGroup:function(){return null},_draw:function(e,t){if(!t)return;if(this.controlsAboveOverlay){var n=t.hasBorders,r=t.hasControls;t.hasBorders=t.hasControls=!1,t.render(e),t.hasBorders=n,t.hasControls=r}else t.render(e)},_onObjectAdded:function(e){this.stateful&&e.setupState(),e.setCoords(),e.canvas=this,this.fire("object:added",{target:e}),e.fire("added")},_onObjectRemoved:function(e){this.getActiveObject()===e&&(this.fire("before:selection:cleared",{target:e}),this._discardActiveObject(),this.fire("selection:cleared")),this.fire("object:removed",{target:e}),e.fire("removed")},clearContext:function(e){return e.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.discardActiveGroup&&this.discardActiveGroup(),this.discardActiveObject&&this.discardActiveObject(),this.clearContext(this.contextContainer),this.contextTop&&this.clearContext(this.contextTop),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(e){var t=this[e===!0&&this.interactive?"contextTop":"contextContainer"],n=this.getActiveGroup();return this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this.contextTop),e||this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),this._renderObjects(t,n),this._renderActiveGroup(t,n),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render"),this},_renderObjects:function(e,t){for(var n=0,r=this._objects.length;n<r;++n)(!t||t&&this._objects[n]&&!t.contains(this._objects[n]))&&this._draw(e,this._objects[n])},_renderActiveGroup:function(e,t){if(t){var n=[];this.forEachObject(function(e){t.contains(e)&&n.push(e)}),t._set("objects",n),this._draw(e,t)}},_renderBackground:function(e){this.backgroundColor&&(e.fillStyle=this.backgroundColor.toLive?this.backgroundColor.toLive(e):this.backgroundColor,e.fillRect(this.backgroundColor.offsetX||0,this.backgroundColor.offsetY||0,this.width,this.height)),this.backgroundImage&&this.backgroundImage.render(e)},_renderOverlay:function(e){this.overlayColor&&(e.fillStyle=this.overlayColor.toLive?this.overlayColor.toLive(e):this.overlayColor,e.fillRect(this.overlayColor.offsetX||0,this.overlayColor.offsetY||0,this.width,this.height)),this.overlayImage&&this.overlayImage.render(e)},renderTop:function(){var e=this.contextTop||this.contextContainer;this.clearContext(e),this.selection&&this._groupSelector&&this._drawSelection();var t=this.getActiveGroup();return t&&t.render(e),this.overlayImage&&e.drawImage(this.overlayImage,this.overlayImageLeft,this.overlayImageTop),this.fire("after:render"),this},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(e){return e.set("left",this.getCenter().left),this.renderAll(),this},centerObjectV:function(e){return e.set("top",this.getCenter().top),this.renderAll(),this},centerObject:function(e){return this.centerObjectH(e).centerObjectV(e)},toDatalessJSON:function(e){return this.toDatalessObject(e)},toObject:function(e){return this._toObjectMethod("toObject",e)},toDatalessObject:function(e){return this._toObjectMethod("toDatalessObject",e)},_toObjectMethod:function(t,n){var r=this.getActiveGroup();r&&this.discardActiveGroup();var i={objects:this.getObjects().map(function(e){var r;this.includeDefaultValues||(r=e.includeDefaultValues,e.includeDefaultValues=!1);var i=e[t](n);return this.includeDefaultValues||(e.includeDefaultValues=r),i},this)};return e(i,this.__serializeBgOverlay()),fabric.util.populateWithProperties(this,i,n),r&&(this.setActiveGroup(new fabric.Group(r.getObjects())),r.forEachObject(function(e){e.set("active",!0)})),i},__serializeBgOverlay:function(){var e={background:this.backgroundColor&&this.backgroundColor.toObject?this.backgroundColor.toObject():this.backgroundColor};return this.overlayColor&&(e.overlay=this.overlayColor.toObject?this.overlayColor.toObject():this.overlayColor),this.backgroundImage&&(e.backgroundImage=this.backgroundImage.toObject()),this.overlayImage&&(e.overlayImage=this.overlayImage.toObject()),e},toSVG:function(e,t){e||(e={});var n=[];return this._setSVGPreamble(n,e),this._setSVGHeader(n,e),this._setSVGBgOverlayColor(n,"backgroundColor"),this._setSVGBgOverlayImage(n,"backgroundImage"),this._setSVGObjects(n,t),this._setSVGBgOverlayColor(n,"overlayColor"),this._setSVGBgOverlayImage(n,"overlayImage"),n.push("</svg>"),n.join("")},_setSVGPreamble:function(e,t){t.suppressPreamble||e.push('<?xml version="1.0" encoding="',t.encoding||"UTF-8",'" standalone="no" ?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(e,t){e.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',t.viewBox?t.viewBox.width:this.width,'" ','height="',t.viewBox?t.viewBox.height:this.height,'" ',this.backgroundColor&&!this.backgroundColor.toLive?'style="background-color: '+this.backgroundColor+'" ':null,t.viewBox?'viewBox="'+t.viewBox.x+" "+t.viewBox.y+" "+t.viewBox.width+" "+t.viewBox.height+'" ':null,'xml:space="preserve">',"<desc>Created with Fabric.js ",fabric.version,"</desc>","<defs>",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"</defs>")},_setSVGObjects:function(e,t){var n=this.getActiveGroup();n&&this.discardActiveGroup();for(var r=0,i=this.getObjects(),s=i.length;r<s;r++)e.push(i[r].toSVG(t));n&&(this.setActiveGroup(new fabric.Group(n.getObjects())),n.forEachObject(function(e){e.set("active",!0)}))},_setSVGBgOverlayImage:function(e,t){this[t]&&this[t].toSVG&&e.push(this[t].toSVG())},_setSVGBgOverlayColor:function(e,t){this[t]&&this[t].source?e.push('<rect x="',this[t].offsetX,'" y="',this[t].offsetY,'" ','width="',this[t].repeat==="repeat-y"||this[t].repeat==="no-repeat"?this[t].source.width:this.width,'" height="',this[t].repeat==="repeat-x"||this[t].repeat==="no-repeat"?this[t].source.height:this.height,'" fill="url(#'+t+'Pattern)"',"></rect>"):this[t]&&t==="overlayColor"&&e.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[t],'"',"></rect>")},sendToBack:function(e){return n(this._objects,e),this._objects.unshift(e),this.renderAll&&this.renderAll()},bringToFront:function(e){return n(this._objects,e),this._objects.push(e),this.renderAll&&this.renderAll()},sendBackwards:function(e,t){var r=this._objects.indexOf(e);if(r!==0){var i;if(t){i=r;for(var s=r-1;s>=0;--s){var o=e.intersectsWithObject(this._objects[s])||e.isContainedWithinObject(this._objects[s])||this._objects[s].isContainedWithinObject(e);if(o){i=s;break}}}else i=r-1;n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},bringForward:function(e,t){var r=this._objects.indexOf(e);if(r!==this._objects.length-1){var i;if(t){i=r;for(var s=r+1;s<this._objects.length;++s){var o=e.intersectsWithObject(this._objects[s])||e.isContainedWithinObject(this._objects[s])||this._objects[s].isContainedWithinObject(e);if(o){i=s;break}}}else i=r+1;n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},moveTo:function(e,t){return n(this._objects,e),this._objects.splice(t,0,e),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this.interactive?(r(fabric.window,"resize",this._onResize),r(this.upperCanvasEl,"mousedown",this._onMouseDown),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"mousewheel",this._onMouseWheel),r(this.upperCanvasEl,"touchstart",this._onMouseDown),r(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof Event!="undefined"&&"remove"in Event&&(Event.remove(this.upperCanvasEl,"gesture",this._onGesture),Event.remove(this.upperCanvasEl,"drag",this._onDrag),Event.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.remove(this.upperCanvasEl,"shake",this._onShake)),this):this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): "+"{ objects: "+this.getObjects().length+" }>"}}),e(fabric.StaticCanvas.prototype,fabric.Observable),e(fabric.StaticCanvas.prototype,fabric.Collection),e(fabric.StaticCanvas.prototype,fabric.DataURLExporter),e(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(e){var t=fabric.util.createCanvasElement();if(!t||!t.getContext)return null;var n=t.getContext("2d");if(!n)return null;switch(e){case"getImageData":return typeof n.getImageData!="undefined";case"setLineDash":return typeof n.setLineDash!="undefined";case"toDataURL":return typeof t.toDataURL!="undefined";case"toDataURLWithQuality":try{return t.toDataURL("image/jpeg",0),!0}catch(r){}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",setShadow:function(e){return this.shadow=new fabric.Shadow(e),this},_setBrushStyles:function(){var e=this.canvas.contextTop;e.strokeStyle=this.color,e.lineWidth=this.width,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin},_setShadow:function(){if(!this.shadow)return;var e=this.canvas.contextTop;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur,e.shadowOffsetX=this.shadow.offsetX,e.shadowOffsetY=this.shadow.offsetY},_resetShadow:function(){var e=this.canvas.contextTop;e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0}}),function(){var e=fabric.util.array.min,t=fabric.util.array.max;fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(e){this.canvas=e,this._points=[]},onMouseDown:function(e){this._prepareForDrawing(e),this._captureDrawingPath(e),this._render()},onMouseMove:function(e){this._captureDrawingPath(e),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(e){var t=new fabric.Point(e.x,e.y);this._reset(),this._addPoint(t),this.canvas.contextTop.moveTo(t.x,t.y)},_addPoint:function(e){this._points.push(e)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(e){var t=new fabric.Point(e.x,e.y);this._addPoint(t)},_render:function(){var e=this.canvas.contextTop;e.beginPath();var t=this._points[0],n=this._points[1];this._points.length===2&&t.x===n.x&&t.y===n.y&&(t.x-=.5,n.x+=.5),e.moveTo(t.x,t.y);for(var r=1,i=this._points.length;r<i;r++){var s=t.midPointFrom(n);e.quadraticCurveTo(t.x,t.y,s.x,s.y),t=this._points[r],n=this._points[r+1]}e.lineTo(t.x,t.y),e.stroke()},_getSVGPathData:function(){return this.box=this.getPathBoundingBox(this._points),this.convertPointsToSVGPath(this._points,this.box.minx,this.box.maxx,this.box.miny,this.box.maxy)},getPathBoundingBox:function(n){var r=[],i=[],s=n[0],o=n[1],u=s;for(var a=1,f=n.length;a<f;a++){var l=s.midPointFrom(o);r.push(u.x),r.push(l.x),i.push(u.y),i.push(l.y),s=n[a],o=n[a+1],u=l}return r.push(s.x),i.push(s.y),{minx:e(r),miny:e(i),maxx:t(r),maxy:t(i)}},convertPointsToSVGPath:function(e,t,n,r){var i=[],s=new fabric.Point(e[0].x-t,e[0].y-r),o=new fabric.Point(e[1].x-t,e[1].y-r);i.push("M ",e[0].x-t," ",e[0].y-r," ");for(var u=1,a=e.length;u<a;u++){var f=s.midPointFrom(o);i.push("Q ",s.x," ",s.y," ",f.x," ",f.y," "),s=new fabric.Point(e[u].x-t,e[u].y-r),u+1<e.length&&(o=new fabric.Point(e[u+1].x-t,e[u+1].y-r))}return i.push("L ",s.x," ",s.y," "),i},createPath:function(e){var t=new fabric.Path(e);return t.fill=null,t.stroke=this.color,t.strokeWidth=this.width,t.strokeLineCap=this.strokeLineCap,t.strokeLineJoin=this.strokeLineJoin,this.shadow&&(this.shadow.affectStroke=!0,t.setShadow(this.shadow)),t},_finalizeAndAddPath:function(){var e=this.canvas.contextTop;e.closePath();var t=this._getSVGPathData().join("");if(t==="M 0 0 Q 0 0 0 0 L 0 0"){this.canvas.renderAll();return}var n=this.box.minx+(this.box.maxx-this.box.minx)/2,r=this.box.miny+(this.box.maxy-this.box.miny)/2;this.canvas.contextTop.arc(n,r,3,0,Math.PI*2,!1);var i=this.createPath(t);i.set({left:n,top:r,originX:"center",originY:"center"}),this.canvas.add(i),i.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:i})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(e){this.canvas=e,this.points=[]},drawDot:function(e){var t=this.addPoint(e),n=this.canvas.contextTop;n.fillStyle=t.fill,n.beginPath(),n.arc(t.x,t.y,t.radius,0,Math.PI*2,!1),n.closePath(),n.fill()},onMouseDown:function(e){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(e)},onMouseMove:function(e){this.drawDot(e)},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.points.length;n<r;n++){var i=this.points[n],s=new fabric.Circle({radius:i.radius,left:i.x,top:i.y,originX:"center",originY:"center",fill:i.fill});this.shadow&&s.setShadow(this.shadow),t.push(s)}var o=new fabric.Group(t,{originX:"center",originY:"center"});this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},addPoint:function(e){var t=new fabric.Point(e.x,e.y),n=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 t.radius=n,t.fill=r,this.points.push(t),t}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(e){this.canvas=e,this.sprayChunks=[]},onMouseDown:function(e){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(e),this.render()},onMouseMove:function(e){this.addSprayChunk(e),this.render()},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.sprayChunks.length;n<r;n++){var i=this.sprayChunks[n];for(var s=0,o=i.length;s<o;s++){var u=new fabric.Rect({width:i[s].width,height:i[s].width,left:i[s].x+1,top:i[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&u.setShadow(this.shadow),t.push(u)}}this.optimizeOverlapping&&(t=this._getOptimizedRects(t));var a=new fabric.Group(t,{originX:"center",originY:"center"});this.canvas.add(a),this.canvas.fire("path:created",{path:a}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},_getOptimizedRects:function(e){var t={},n;for(var r=0,i=e.length;r<i;r++)n=e[r].left+""+e[r].top,t[n]||(t[n]=e[r]);var s=[];for(n in t)s.push(t[n]);return s},render:function(){var e=this.canvas.contextTop;e.fillStyle=this.color,e.save();for(var t=0,n=this.sprayChunkPoints.length;t<n;t++){var r=this.sprayChunkPoints[t];typeof r.opacity!="undefined"&&(e.globalAlpha=r.opacity),e.fillRect(r.x,r.y,r.width,r.width)}e.restore()},addSprayChunk:function(e){this.sprayChunkPoints=[];var t,n,r,i=this.width/2;for(var s=0;s<this.density;s++){t=fabric.util.getRandomInt(e.x-i,e.x+i),n=fabric.util.getRandomInt(e.y-i,e.y+i),this.dotWidthVariance?r=fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):r=this.dotWidth;var o={x:t,y:n,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 e=20,t=5,n=fabric.document.createElement("canvas"),r=n.getContext("2d");return n.width=n.height=e+t,r.fillStyle=this.color,r.beginPath(),r.arc(e/2,e/2,e/2,0,Math.PI*2,!1),r.closePath(),r.fill(),n},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(e){var t=this.callSuper("createPath",e);return t.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction()}),t}}),function(){var e=fabric.util.getPointer,t=fabric.util.degreesToRadians,n=fabric.util.radiansToDegrees,r=Math.atan2,i=Math.abs,s=Math.min,o=Math.max,u=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(e,t){t||(t={}),this._initStatic(e,t),this._initInteractive(),this._createCacheCanvas(),fabric.Canvas.activeInstance=this},uniScaleTransform:!1,centeredScaling:!1,centeredRotation:!1,interactive:!0,selection:!0,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",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEvents(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_resetCurrentTransform:function(e){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(e,t.target)?t.action==="rotate"?this._setOriginToCenter(t.target):(t.originX!=="center"&&(t.originX==="right"?t.mouseXSign=-1:t.mouseXSign=1),t.originY!=="center"&&(t.originY==="bottom"?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(e,t){var n=this.getPointer(e),r=this._normalizePointer(t,n);return t.containsPoint(r)||t._findTargetCorner(e,this._offset)},_normalizePointer:function(e,t){var n=this.getActiveGroup(),r=t.x,i=t.y,s=n&&e.type!=="group"&&n.contains(e);return s&&(r-=n.left,i-=n.top),{x:r,y:i}},isTargetTransparent:function(e,t,n){var r=this.contextCache,i=e.hasBorders,s=e.transparentCorners;e.hasBorders=e.transparentCorners=!1,this._draw(r,e),e.hasBorders=i,e.transparentCorners=s,this.targetFindTolerance>0&&(t>this.targetFindTolerance?t-=this.targetFindTolerance:t=0,n>this.targetFindTolerance?n-=this.targetFindTolerance:n=0);var o=!0,u=r.getImageData(t,n,this.targetFindTolerance*2||1,this.targetFindTolerance*2||1);for(var a=3,f=u.data.length;a<f;a+=4){var l=u.data[a];o=l<=0;if(o===!1)break}return u=null,this.clearContext(r),o},_shouldClearSelection:function(e,t){var n=this.getActiveGroup();return!t||t&&n&&!n.contains(t)&&n!==t&&!e.shiftKey||t&&!t.evented},_shouldCenterTransform:function(e,t){if(!t)return;var n=this._currentTransform,r;return n.action==="scale"||n.action==="scaleX"||n.action==="scaleY"?r=this.centeredScaling||t.centeredScaling:n.action==="rotate"&&(r=this.centeredRotation||t.centeredRotation),r?!e.altKey:e.altKey},_getOriginFromCorner:function(e,t){var n={x:e.originX,y:e.originY};if(t==="ml"||t==="tl"||t==="bl")n.x="right";else if(t==="mr"||t==="tr"||t==="br")n.x="left";if(t==="tl"||t==="mt"||t==="tr")n.y="bottom";else if(t==="bl"||t==="mb"||t==="br")n.y="top";return n},_getActionFromCorner:function(e,t){var n="drag";return t&&(n=t==="ml"||t==="mr"?"scaleX":t==="mt"||t==="mb"?"scaleY":t==="mtr"?"rotate":"scale"),n},_setupCurrentTransform:function(n,r){if(!r)return;var i=r._findTargetCorner(n,this._offset),s=e(n,r.canvas.upperCanvasEl),o=this._getActionFromCorner(r,i),u=this._getOriginFromCorner(r,i);this._currentTransform={target:r,action:o,scaleX:r.scaleX,scaleY:r.scaleY,offsetX:s.x-r.left,offsetY:s.y-r.top,originX:u.x,originY:u.y,ex:s.x,ey:s.y,left:r.left,top:r.top,theta:t(r.angle),width:r.width*r.scaleX,mouseXSign:1,mouseYSign:1},this._currentTransform.original={left:r.left,top:r.top,scaleX:r.scaleX,scaleY:r.scaleY,originX:u.x,originY:u.y},this._resetCurrentTransform(n)},_shouldHandleGroupLogic:function(e,t){var n=this.getActiveObject();return e.shiftKey&&(this.getActiveGroup()||n&&n!==t)&&this.selection},_handleGroupLogic:function(e,t){if(t===this.getActiveGroup()){t=this.findTarget(e,!0);if(!t||t.isType("group"))return}this.getActiveGroup()?this._updateActiveGroup(t,e):this._createActiveGroup(t,e),this._activeGroup&&this._activeGroup.saveCoords()},_updateActiveGroup:function(e,t){var n=this.getActiveGroup();if(n.contains(e)){n.removeWithUpdate(e),this._resetObjectTransform(n),e.set("active",!1);if(n.size()===1){this.discardActiveGroup(t),this.setActiveObject(n.item(0));return}}else n.addWithUpdate(e),this._resetObjectTransform(n);this.fire("selection:created",{target:n,e:t}),n.set("active",!0)},_createActiveGroup:function(e,t){if(this._activeObject&&e!==this._activeObject){var n=this.getObjects(),r=n.indexOf(this._activeObject)<n.indexOf(e),i=r?[e,this._activeObject]:[this._activeObject,e],s=new fabric.Group(i,{originX:"center",originY:"center"});this.setActiveGroup(s),this._activeObject=null;var o=this.getActiveGroup();this.fire("selection:created",{target:o,e:t})}e.set("active",!0)},_translateObject:function(e,t){var n=this._currentTransform.target;n.get("lockMovementX")||n.set("left",e-this._currentTransform.offsetX),n.get("lockMovementY")||n.set("top",t-this._currentTransform.offsetY)},_scaleObject:function(e,t,n){var r=this._currentTransform,i=this._offset,s=r.target,o=s.get("lockScalingX"),u=s.get("lockScalingY");if(o&&u)return;var a=s.translateToOriginPoint(s.getCenterPoint(),r.originX,r.originY),f=s.toLocalPoint(new fabric.Point(e-i.left,t-i.top),r.originX,r.originY);this._setLocalMouse(f,r),this._setObjectScale(f,r,o,u,n),s.setPositionByOrigin(a,r.originX,r.originY)},_setObjectScale:function(e,t,n,r,i){var s=t.target;t.newScaleX=s.scaleX,t.newScaleY=s.scaleY,i==="equally"&&!n&&!r?this._scaleObjectEqually(e,s,t):i?i==="x"&&!s.get("lockUniScaling")?(t.newScaleX=e.x/(s.width+s.strokeWidth),n||s.set("scaleX",t.newScaleX)):i==="y"&&!s.get("lockUniScaling")&&(t.newScaleY=e.y/(s.height+s.strokeWidth),r||s.set("scaleY",t.newScaleY)):(t.newScaleX=e.x/(s.width+s.strokeWidth),t.newScaleY=e.y/(s.height+s.strokeWidth),n||s.set("scaleX",t.newScaleX),r||s.set("scaleY",t.newScaleY)),this._flipObject(t)},_scaleObjectEqually:function(e,t,n){var r=e.y+e.x,i=(t.height+t.strokeWidth)*n.original.scaleY+(t.width+t.strokeWidth)*n.original.scaleX;n.newScaleX=n.original.scaleX*r/i,n.newScaleY=n.original.scaleY*r/i,t.set("scaleX",n.newScaleX),t.set("scaleY",n.newScaleY)},_flipObject:function(e){e.newScaleX<0&&(e.originX==="left"?e.originX="right":e.originX==="right"&&(e.originX="left")),e.newScaleY<0&&(e.originY==="top"?e.originY="bottom":e.originY==="bottom"&&(e.originY="top"))},_setLocalMouse:function(e,t){var n=t.target;t.originX==="right"?e.x*=-1:t.originX==="center"&&(e.x*=t.mouseXSign*2,e.x<0&&(t.mouseXSign=-t.mouseXSign)),t.originY==="bottom"?e.y*=-1:t.originY==="center"&&(e.y*=t.mouseYSign*2,e.y<0&&(t.mouseYSign=-t.mouseYSign)),i(e.x)>n.padding?e.x<0?e.x+=n.padding:e.x-=n.padding:e.x=0,i(e.y)>n.padding?e.y<0?e.y+=n.padding:e.y-=n.padding:e.y=0},_rotateObject:function(e,t){var i=this._currentTransform,s=this._offset;if(i.target.get("lockRotation"))return;var o=r(i.ey-i.top-s.top,i.ex-i.left-s.left),u=r(t-i.top-s.top,e-i.left-s.left),a=n(u-o+i.theta);a<0&&(a=360+a),i.target.angle=a},_setCursor:function(e){this.upperCanvasEl.style.cursor=e},_resetObjectTransform:function(e){e.scaleX=1,e.scaleY=1,e.setAngle(0)},_drawSelection:function(){var e=this.contextTop,t=this._groupSelector,n=t.left,r=t.top,s=i(n),o=i(r);e.fillStyle=this.selectionColor,e.fillRect(t.ex-(n>0?0:-n),t.ey-(r>0?0:-r),s,o),e.lineWidth=this.selectionLineWidth,e.strokeStyle=this.selectionBorderColor;if(this.selectionDashArray.length>1){var a=t.ex+u-(n>0?0:s),f=t.ey+u-(r>0?0:o);e.beginPath(),fabric.util.drawDashedLine(e,a,f,a+s,f,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f+o-1,a+s,f+o-1,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f,a,f+o,this.selectionDashArray),fabric.util.drawDashedLine(e,a+s-1,f,a+s-1,f+o,this.selectionDashArray),e.closePath(),e.stroke()}else e.strokeRect(t.ex+u-(n>0?0:s),t.ey+u-(r>0?0:o),s,o)},_groupSelectedObjects:function(e){var t=this._collectObjects();t.length===1?this.setActiveObject(t[0],e):t.length>1&&(t=new fabric.Group(t.reverse(),{originX:"center",originY:"center"}),this.setActiveGroup(t,e),t.saveCoords(),this.fire("selection:created",{target:t}),this.renderAll())},_collectObjects:function(){var e=[],t,n=this._groupSelector.ex,r=this._groupSelector.ey,i=n+this._groupSelector.left,u=r+this._groupSelector.top,a=new fabric.Point(s(n,i),s(r,u)),f=new fabric.Point(o(n,i),o(r,u)),l=n===i&&r===u;for(var c=this._objects.length;c--;){t=this._objects[c];if(!t||!t.selectable||!t.visible)continue;if(t.intersectsWithRect(a,f)||t.isContainedWithinRect(a,f)||t.containsPoint(a)||t.containsPoint(f)){t.set("active",!0),e.push(t);if(l)break}}return e},findTarget:function(e,t){if(this.skipTargetFind)return;var n,r=this.getPointer(e);if(this.controlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay.visible&&this.containsPoint(e,this.lastRenderedObjectWithControlsAboveOverlay)&&this.lastRenderedObjectWithControlsAboveOverlay._findTargetCorner(e,this._offset))return n=this.lastRenderedObjectWithControlsAboveOverlay,n;var i=this.getActiveGroup();if(i&&!t&&this.containsPoint(e,i))return n=i,n;var s=[];for(var o=this._objects.length;o--;)if(this._objects[o]&&this._objects[o].visible&&this._objects[o].evented&&this.containsPoint(e,this._objects[o])){if(!this.perPixelTargetFind&&!this._objects[o].perPixelTargetFind){n=this._objects[o],this.relatedTarget=n;break}s[s.length]=this._objects[o]}for(var u=0,a=s.length;u<a;u++){r=this.getPointer(e);var f=this.isTargetTransparent(s[u],r.x,r.y);if(!f){n=s[u],this.relatedTarget=n;break}}return n},getPointer:function(t){var n=e(t,this.upperCanvasEl);return{x:n.x-this._offset.left,y:n.y-this._offset.top}},_createUpperCanvas:function(){var e=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+e),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.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(e){var t=this.getWidth()||e.width,n=this.getHeight()||e.height;fabric.util.setStyle(e,{position:"absolute",width:t+"px",height:n+"px",left:0,top:0}),e.width=t,e.height=n,fabric.util.makeElementUnselectable(e)
-},_copyCanvasStyle:function(e,t){t.style.cssText=e.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(e){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=e,e.set("active",!0)},setActiveObject:function(e,t){return this._setActiveObject(e),this.renderAll(),this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t}),this},getActiveObject:function(){return this._activeObject},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(e){return this._discardActiveObject(),this.renderAll(),this.fire("selection:cleared",{e:e}),this},_setActiveGroup:function(e){this._activeGroup=e,e&&(e.canvas=this,e.set("active",!0))},setActiveGroup:function(e,t){return this._setActiveGroup(e),e&&(this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var e=this.getActiveGroup();e&&e.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(e){return this._discardActiveGroup(),this.fire("selection:cleared",{e:e}),this},deactivateAll:function(){var e=this.getObjects(),t=0,n=e.length;for(;t<n;t++)e[t].set("active",!1);return this._discardActiveGroup(),this._discardActiveObject(),this},deactivateAllWithDispatch:function(e){var t=this.getActiveGroup()||this.getActiveObject();return t&&this.fire("before:selection:cleared",{target:t,e:e}),this.deactivateAll(),t&&this.fire("selection:cleared",{e:e}),this},drawControls:function(e){var t=this.getActiveGroup();if(t)e.save(),fabric.Group.prototype.transform.call(t,e),t.drawBorders(e).drawControls(e),e.restore();else for(var n=0,r=this._objects.length;n<r;++n){if(!this._objects[n]||!this._objects[n].active)continue;e.save(),fabric.Object.prototype.transform.call(this._objects[n],e),this._objects[n].drawBorders(e).drawControls(e),e.restore(),this.lastRenderedObjectWithControlsAboveOverlay=this._objects[n]}}});for(var a in fabric.StaticCanvas)a!=="prototype"&&(fabric.Canvas[a]=fabric.StaticCanvas[a]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){}),fabric.Element=fabric.Canvas}(),function(){var e=["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],t={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},n=fabric.util.addListener,r=fabric.util.removeListener,i=fabric.util.getPointer;fabric.util.object.extend(fabric.Canvas.prototype,{_initEvents:function(){this._bindEvents(),n(fabric.window,"resize",this._onResize),n(this.upperCanvasEl,"mousedown",this._onMouseDown),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"mousewheel",this._onMouseWheel),n(this.upperCanvasEl,"touchstart",this._onMouseDown),n(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof Event!="undefined"&&"add"in Event&&(Event.add(this.upperCanvasEl,"gesture",this._onGesture),Event.add(this.upperCanvasEl,"drag",this._onDrag),Event.add(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.add(this.upperCanvasEl,"shake",this._onShake))},_bindEvents:function(){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._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this)},_onGesture:function(e,t){this.__onTransformGesture&&this.__onTransformGesture(e,t)},_onDrag:function(e,t){this.__onDrag&&this.__onDrag(e,t)},_onMouseWheel:function(e,t){this.__onMouseWheel&&this.__onMouseWheel(e,t)},_onOrientationChange:function(e,t){this.__onOrientationChange&&this.__onOrientationChange(e,t)},_onShake:function(e,t){this.__onShake&&this.__onShake(e,t)},_onMouseDown:function(e){this.__onMouseDown(e),n(fabric.document,"mouseup",this._onMouseUp),n(fabric.document,"touchend",this._onMouseUp),n(fabric.document,"mousemove",this._onMouseMove),n(fabric.document,"touchmove",this._onMouseMove),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"touchmove",this._onMouseMove)},_onMouseUp:function(e){this.__onMouseUp(e),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp),r(fabric.document,"mousemove",this._onMouseMove),r(fabric.document,"touchmove",this._onMouseMove),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"touchmove",this._onMouseMove)},_onMouseMove:function(e){!this.allowTouchScrolling&&e.preventDefault&&e.preventDefault(),this.__onMouseMove(e)},_onResize:function(){this.calcOffset()},_shouldRender:function(e,t){var n=this.getActiveGroup()||this.getActiveObject();return!!(e&&(e.isMoving||e!==n)||!e&&!!n||!e&&!n&&!this._groupSelector||t&&this._previousPointer&&this.selection&&(t.x!==this._previousPointer.x||t.y!==this._previousPointer.y))},__onMouseUp:function(e){var t;if(this.isDrawingMode&&this._isCurrentlyDrawing){this._onMouseUpInDrawingMode(e);return}this._currentTransform?(this._finalizeCurrentTransform(),t=this._currentTransform.target):t=this.findTarget(e,!0);var n=this._shouldRender(t,this.getPointer(e));this._maybeGroupObjects(e),t&&(t.isMoving=!1),n&&this.renderAll(),this._handleCursorAndEvent(e,t)},_handleCursorAndEvent:function(e,t){this._setCursorFromEvent(e,t);var n=this;setTimeout(function(){n._setCursorFromEvent(e,t)},50),this.fire("mouse:up",{target:t,e:e}),t&&t.fire("mouseup",{e:e})},_maybeGroupObjects:function(e){this.selection&&this._groupSelector&&this._groupSelectedObjects(e);var t=this.getActiveGroup();t&&(t.setObjectsCoords(),t.isMoving=!1,this._setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null},_finalizeCurrentTransform:function(){var e=this._currentTransform,t=e.target;t._scaling&&(t._scaling=!1),t.setCoords(),this.stateful&&t.hasStateChanged()&&(this.fire("object:modified",{target:t}),t.fire("modified")),this._restoreOriginXY(t)},_restoreOriginXY:function(e){if(this._previousOriginX&&this._previousOriginY){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(e){this._isCurrentlyDrawing=!0,this.discardActiveObject(e).renderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop),this.freeDrawingBrush.onMouseDown(this.getPointer(e)),this.fire("mouse:down",{e:e})},_onMouseMoveInDrawingMode:function(e){if(this._isCurrentlyDrawing){var t=this.getPointer(e);this.freeDrawingBrush.onMouseMove(t)}this.upperCanvasEl.style.cursor=this.freeDrawingCursor,this.fire("mouse:move",{e:e})},_onMouseUpInDrawingMode:function(e){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this.fire("mouse:up",{e:e})},__onMouseDown:function(e){var t="which"in e?e.which===1:e.button===1;if(!t&&!fabric.isTouchSupported)return;if(this.isDrawingMode){this._onMouseDownInDrawingMode(e);return}if(this._currentTransform)return;var n=this.findTarget(e),r=this.getPointer(e);this._previousPointer=r;var i=this._shouldRender(n,r);this._shouldClearSelection(e,n)?this._clearSelection(e,n,r):this._shouldHandleGroupLogic(e,n)?(this._handleGroupLogic(e,n),n=this.getActiveGroup()):n&&n.selectable&&(this._beforeTransform(e,n),this._setupCurrentTransform(e,n)),i&&this.renderAll(),this.fire("mouse:down",{target:n,e:e}),n&&n.fire("mousedown",{e:e})},_beforeTransform:function(e,t){var n;this.stateful&&t.saveState(),(n=t._findTargetCorner(e,this._offset))&&this.onBeforeScaleRotate(t),t!==this.getActiveGroup()&&t!==this.getActiveObject()&&(this.deactivateAll(),this.setActiveObject(t,e))},_clearSelection:function(e,t,n){this.selection&&(this._groupSelector={ex:n.x,ey:n.y,top:0,left:0}),this.deactivateAllWithDispatch(e),t&&t.selectable&&this.setActiveObject(t,e)},_setOriginToCenter:function(e){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var t=e.getCenterPoint();e.originX="center",e.originY="center",e.left=t.x,e.top=t.y,this._currentTransform.left=e.left,this._currentTransform.top=e.top},_setCenterToOrigin:function(e){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(e){var t,n;if(this.isDrawingMode){this._onMouseMoveInDrawingMode(e);return}var r=this._groupSelector;if(r)n=i(e,this.upperCanvasEl),r.left=n.x-this._offset.left-r.ex,r.top=n.y-this._offset.top-r.ey,this.renderTop();else if(!this._currentTransform){var s=this.upperCanvasEl.style;t=this.findTarget(e),!t||t&&!t.selectable?s.cursor=this.defaultCursor:this._setCursorFromEvent(e,t)}else this._transformObject(e);this.fire("mouse:move",{target:t,e:e}),t&&t.fire("mousemove",{e:e})},_transformObject:function(e){var t=i(e,this.upperCanvasEl),n=t.x,r=t.y,s=this._currentTransform,o=s.target;s.reset=!1,o.isMoving=!0,this._beforeScaleTransform(e,s),s.action==="rotate"?(this._rotateObject(n,r),this._fire("rotating",o,e)):s.action==="scale"?(this._onScale(e,s,n,r),this._fire("scaling",o,e)):s.action==="scaleX"?(this._scaleObject(n,r,"x"),this._fire("scaling",o,e)):s.action==="scaleY"?(this._scaleObject(n,r,"y"),this._fire("scaling",o,e)):(this._translateObject(n,r),this._fire("moving",o,e),this._setCursor(this.moveCursor)),this.renderAll()},_fire:function(e,t,n){this.fire("object:"+e,{target:t,e:n}),t.fire(e,{e:n})},_beforeScaleTransform:function(e,t){if(t.action==="scale"||t.action==="scaleX"||t.action==="scaleY"){var n=this._shouldCenterTransform(e,t.target);if(n&&(t.originX!=="center"||t.originY!=="center")||!n&&t.originX==="center"&&t.originY==="center")this._resetCurrentTransform(e),t.reset=!0}},_onScale:function(e,t,n,r){(e.shiftKey||this.uniScaleTransform)&&!t.target.get("lockUniScaling")?(t.currentAction="scale",this._scaleObject(n,r)):(!t.reset&&t.currentAction==="scale"&&this._resetCurrentTransform(e,t.target),t.currentAction="scaleEqually",this._scaleObject(n,r,"equally"))},_setCursorFromEvent:function(n,r){var i=this.upperCanvasEl.style;if(!r)return i.cursor=this.defaultCursor,!1;var s=this.getActiveGroup(),o=r._findTargetCorner&&(!s||!s.contains(r))&&r._findTargetCorner(n,this._offset);if(!o)i.cursor=r.hoverCursor||this.hoverCursor;else if(o in t){var u=Math.round(r.getAngle()%360/45);u<0&&(u+=8),u+=t[o],u%=8,i.cursor=e[u]}else{if(o!=="mtr"||!r.hasRotatingPoint)return i.cursor=this.defaultCursor,!1;i.cursor=this.rotationCursor}return!0}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(e){e||(e={});var t=e.format||"png",n=e.quality||1,r=e.multiplier||1,i={left:e.left,top:e.top,width:e.width,height:e.height};return r!==1?this.__toDataURLWithMultiplier(t,n,i,r):this.__toDataURL(t,n,i)},__toDataURL:function(e,t,n){this.renderAll(!0);var r=this.upperCanvasEl||this.lowerCanvasEl,i=this.__getCroppedCanvas(r,n);e==="jpg"&&(e="jpeg");var s=fabric.StaticCanvas.supports("toDataURLWithQuality")?(i||r).toDataURL("image/"+e,t):(i||r).toDataURL("image/"+e);return this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),i&&(i=null),s},__getCroppedCanvas:function(e,t){var n,r,i="left"in t||"top"in t||"width"in t||"height"in t;return i&&(n=fabric.util.createCanvasElement(),r=n.getContext("2d"),n.width=t.width||this.width,n.height=t.height||this.height,r.drawImage(e,-t.left||0,-t.top||0)),n},__toDataURLWithMultiplier:function(e,t,n,r){var i=this.getWidth(),s=this.getHeight(),o=i*r,u=s*r,a=this.getActiveObject(),f=this.getActiveGroup(),l=this.contextTop||this.contextContainer;this.setWidth(o).setHeight(u),l.scale(r,r),n.left&&(n.left*=r),n.top&&(n.top*=r),n.width&&(n.width*=r),n.height&&(n.height*=r),f?this._tempRemoveBordersControlsFromGroup(f):a&&this.deactivateAll&&this.deactivateAll(),this.renderAll(!0);var c=this.__toDataURL(e,t,n);return this.width=i,this.height=s,l.scale(1/r,1/r),this.setWidth(i).setHeight(s),f?this._restoreBordersControlsOnGroup(f):a&&this.setActiveObject&&this.setActiveObject(a),this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),c},toDataURLWithMultiplier:function(e,t,n){return this.toDataURL({format:e,multiplier:t,quality:n})},_tempRemoveBordersControlsFromGroup:function(e){e.origHasControls=e.hasControls,e.origBorderColor=e.borderColor,e.hasControls=!0,e.borderColor="rgba(0,0,0,0)",e.forEachObject(function(e){e.origBorderColor=e.borderColor,e.borderColor="rgba(0,0,0,0)"})},_restoreBordersControlsOnGroup:function(e){e.hideControls=e.origHideControls,e.borderColor=e.origBorderColor,e.forEachObject(function(e){e.borderColor=e.origBorderColor,delete e.origBorderColor})}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(e,t,n){return this.loadFromJSON(e,t,n)},loadFromJSON:function(e,t,n){if(!e)return;var r=typeof e=="string"?JSON.parse(e):e;this.clear();var i=this;return this._enlivenObjects(r.objects,function(){i._setBgOverlay(r,t)},n),this},_setBgOverlay:function(e,t){var n=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!e.backgroundImage&&!e.overlayImage&&!e.background&&!e.overlay){t&&t();return}var i=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(n.renderAll(),t&&t())};this.__setBgOverlay("backgroundImage",e.backgroundImage,r,i),this.__setBgOverlay("overlayImage",e.overlayImage,r,i),this.__setBgOverlay("backgroundColor",e.background,r,i),this.__setBgOverlay("overlayColor",e.overlay,r,i),i()},__setBgOverlay:function(e,t,n,r){var i=this;if(!t){n[e]=!0;return}e==="backgroundImage"||e==="overlayImage"?fabric.Image.fromObject(t,function(t){i[e]=t,n[e]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(e,!0)](t,function(){n[e]=!0,r&&r()})},_enlivenObjects:function(e,t,n){var r=this;e.length===0&&t&&t();var i=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(e,function(e){e.forEach(function(e,t){r.insertAt(e,t,!0)}),r.renderOnAddRemove=i,t&&t()},null,n)},_toDataURL:function(e,t){this.clone(function(n){t(n.toDataURL(e))})},_toDataURLWithMultiplier:function(e,t,n){this.clone(function(r){n(r.toDataURLWithMultiplier(e,t))})},clone:function(e,t){var n=JSON.stringify(this.toJSON(t));this.cloneWithoutData(function(t){t.loadFromJSON(n,function(){e&&e(t)})})},cloneWithoutData:function(e){var t=fabric.document.createElement("canvas");t.width=this.getWidth(),t.height=this.getHeight();var n=new fabric.Canvas(t);n.clipTo=this.clipTo,this.backgroundImage?(n.setBackgroundImage(this.backgroundImage.src,function(){n.renderAll(),e&&e(n)}),n.backgroundImageOpacity=this.backgroundImageOpacity,n.backgroundImageStretch=this.backgroundImageStretch):e&&e(n)}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.toFixed,i=t.util.string.capitalize,s=t.util.degreesToRadians,o=t.StaticCanvas.supports("setLineDash");if(t.Object)return;t.Object=t.util.createClass({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,cornerSize:12,transparentCorners:!0,hoverCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",cornerColor:"rgba(102,153,255,0.5)",centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"source-over",backgroundColor:"",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,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule shadow clipTo visible backgroundColor".split(" "),initialize:function(e){e&&this.setOptions(e)},_initGradient:function(e){e.fill&&e.fill.colorStops&&!(e.fill instanceof t.Gradient)&&this.set("fill",new t.Gradient(e.fill))},_initPattern:function(e){e.fill&&e.fill.source&&!(e.fill instanceof t.Pattern)&&this.set("fill",new t.Pattern(e.fill)),e.stroke&&e.stroke.source&&!(e.stroke instanceof t.Pattern)&&this.set("stroke",new t.Pattern(e.stroke))},_initClipping:function(e){if(!e.clipTo||typeof e.clipTo!="string")return;var n=t.util.getFunctionBody(e.clipTo);typeof n!="undefined"&&(this.clipTo=new Function("ctx",n))},setOptions:function(e){for(var t in e)this.set(t,e[t]);this._initGradient(e),this._initPattern(e),this._initClipping(e)},transform:function(e,t){e.globalAlpha=this.opacity;var n=t?this._getLeftTopCoords():this.getCenterPoint();e.translate(n.x,n.y),e.rotate(s(this.angle)),e.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1))},toObject:function(e){var n=t.Object.NUM_FRACTION_DIGITS,i={type:this.type,originX:this.originX,originY:this.originY,left:r(this.left,n),top:r(this.top,n),width:r(this.width,n),height:r(this.height,n),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,n),strokeDashArray:this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,n),scaleX:r(this.scaleX,n),scaleY:r(this.scaleY,n),angle:r(this.getAngle(),n),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,n),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor};return this.includeDefaultValues||(i=this._removeDefaultValues(i)),t.util.populateWithProperties(this,i,e),i},toDatalessObject:function(e){return this.toObject(e)},getSvgStyles:function(){var e=this.fill?this.fill.toLive?"url(#SVGID_"+this.fill.id+")":this.fill:"none",t=this.stroke?this.stroke.toLive?"url(#SVGID_"+this.stroke.id+")":this.stroke:"none",n=this.strokeWidth?this.strokeWidth:"0",r=this.strokeDashArray?this.strokeDashArray.join(" "):"",i=this.strokeLineCap?this.strokeLineCap:"butt",s=this.strokeLineJoin?this.strokeLineJoin:"miter",o=this.strokeMiterLimit?this.strokeMiterLimit:"4",u=typeof this.opacity!="undefined"?this.opacity:"1",a=this.visible?"":" visibility: hidden;",f=this.shadow&&this.type!=="text"?"filter: url(#SVGID_"+this.shadow.id+");":"";return["stroke: ",t,"; ","stroke-width: ",n,"; ","stroke-dasharray: ",r,"; ","stroke-linecap: ",i,"; ","stroke-linejoin: ",s,"; ","stroke-miterlimit: ",o,"; ","fill: ",e,"; ","opacity: ",u,";",f,a].join("")},getSvgTransform:function(){var e=this.getAngle(),n=this.getCenterPoint(),i=t.Object.NUM_FRACTION_DIGITS,s="translate("+r(n.x,i)+" "+r(n.y,i)+")",o=e!==0?" rotate("+r(e,i)+")":"",u=this.scaleX===1&&this.scaleY===1?"":" scale("+r(this.scaleX,i)+" "+r(this.scaleY,i)+")",a=this.flipX?"matrix(-1 0 0 1 0 0) ":"",f=this.flipY?"matrix(1 0 0 -1 0 0)":"";return[s,o,u,a,f].join("")},_createBaseSVGMarkup:function(){var e=[];return this.fill&&this.fill.toLive&&e.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&e.push(this.stroke.toSVG(this,!1)),this.shadow&&e.push(this.shadow.toSVG(this)),e},_removeDefaultValues:function(e){var n=t.util.getKlass(e.type).prototype,r=n.stateProperties;return r.forEach(function(t){e[t]===n[t]&&delete e[t]}),e},toString:function(){return"#<fabric."+i(this.type)+">"},get:function(e){return this[e]},set:function(e,t){if(typeof e=="object")for(var n in e)this._set(n,e[n]);else typeof t=="function"&&e!=="clipTo"?this._set(e,t(this.get(e))):this._set(e,t);return this},_set:function(e,n){var i=e==="scaleX"||e==="scaleY";return i&&(n=this._constrainScale(n)),e==="scaleX"&&n<0?(this.flipX=!this.flipX,n*=-1):e==="scaleY"&&n<0?(this.flipY=!this.flipY,n*=-1):e==="width"||e==="height"?this.minScaleLimit=r(Math.min(.1,1/Math.max(this.width,this.height)),2):e==="shadow"&&n&&!(n instanceof t.Shadow)&&(n=new t.Shadow(n)),this[e]=n,this},toggle:function(e){var t=this.get(e);return typeof t=="boolean"&&this.set(e,!t),this},setSourcePath:function(e){return this.sourcePath=e,this},render:function(e,n){if(this.width===0||this.height===0||!this.visible)return;e.save(),this._transform(e,n),this._setStrokeStyles(e),this._setFillStyles(e);var r=this.transformMatrix;r&&this.group&&(e.translate(-this.group.width/2,-this.group.height/2),e.transform(r[0],r[1],r[2],r[3],r[4],r[5])),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e),this._render(e,n),this.clipTo&&e.restore(),this._removeShadow(e),this.active&&!n&&(this.drawBorders(e),this.drawControls(e)),e.restore()},_transform:function(e,t){var n=this.transformMatrix;n&&!this.group&&e.setTransform(n[0],n[1],n[2],n[3],n[4],n[5]),t||this.transform(e)},_setStrokeStyles:function(e){this.stroke&&(e.lineWidth=this.strokeWidth,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin,e.miterLimit=this.strokeMiterLimit,e.strokeStyle=this.stroke.toLive?this.stroke.toLive(e):this.stroke)},_setFillStyles:function(e){this.fill&&(e.fillStyle=this.fill.toLive?this.fill.toLive(e):this.fill)},_setShadow:function(e){if(!this.shadow)return;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur,e.shadowOffsetX=this.shadow.offsetX,e.shadowOffsetY=this.shadow.offsetY},_removeShadow:function(e){e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0},_renderFill:function(e){if(!this.fill)return;this.fill.toLive&&(e.save(),e.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0)),e.fill(),this.fill.toLive&&e.restore(),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e)},_renderStroke:function(e){if(!this.stroke)return;e.save(),this.strokeDashArray?(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),o?(e.setLineDash(this.strokeDashArray),this._stroke&&this._stroke(e)):this._renderDashedStroke&&this._renderDashedStroke(e),e.stroke()):this._stroke?this._stroke(e):e.stroke(),this._removeShadow(e),e.restore()},clone:function(e,n){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(n),e):new t.Object(this.toObject(n))},cloneAsImage:function(e){var n=this.toDataURL();return t.util.loadImage(n,function(n){e&&e(new t.Image(n))}),this},toDataURL:function(e){e||(e={});var n=t.util.createCanvasElement(),r=this.getBoundingRect();n.width=r.width,n.height=r.height,t.util.wrapElement(n,"div");var i=new t.Canvas(n);e.format==="jpg"&&(e.format="jpeg"),e.format==="jpeg"&&(i.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new t.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;i.add(this);var u=i.toDataURL(e);return this.set(s).setCoords(),this.canvas=o,i.dispose(),i=null,u},isType:function(e){return this.type===e},complexity:function(){return 0},toJSON:function(e){return this.toObject(e)},setGradient:function(e,n){n||(n={});var r={colorStops:[]};r.type=n.type||(n.r1||n.r2?"radial":"linear"),r.coords={x1:n.x1,y1:n.y1,x2:n.x2,y2:n.y2};if(n.r1||n.r2)r.coords.r1=n.r1,r.coords.r2=n.r2;for(var i in n.colorStops){var s=new t.Color(n.colorStops[i]);r.colorStops.push({offset:i,color:s.toRgb(),opacity:s.getAlpha()})}return this.set(e,t.Gradient.forObject(this,r))},setPatternFill:function(e){return this.set("fill",new t.Pattern(e))},setShadow:function(e){return this.set("shadow",new t.Shadow(e))},setColor:function(e){return this.set("fill",e),this},centerH:function(){return this.canvas.centerObjectH(this),this},centerV:function(){return this.canvas.centerObjectV(this),this},center:function(){return this.centerH().centerV()},remove:function(){return this.canvas.remove(this)},sendToBack:function(){return this.group?t.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?t.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(e){return this.group?t.StaticCanvas.prototype.sendBackwards.call(this.group,this,e):this.canvas.sendBackwards(this,e),this},bringForward:function(e){return this.group?t.StaticCanvas.prototype.bringForward.call(this.group,this,e):this.canvas.bringForward(this,e),this},moveTo:function(e){return this.group?t.StaticCanvas.prototype.moveTo.call(this.group,this,e):this.canvas.moveTo(this,e),this}}),t.util.createAccessors(t.Object),t.Object.prototype.rotate=t.Object.prototype.setAngle,n(t.Object.prototype,t.Observable),t.Object.NUM_FRACTION_DIGITS=2,t.Object.__uid=0}(typeof exports!="undefined"?exports:this),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{translateToCenterPoint:function(t,n,r){var i=t.x,s=t.y;return n==="left"?i=t.x+(this.getWidth()+this.strokeWidth*this.scaleX)/2:n==="right"&&(i=t.x-(this.getWidth()+this.strokeWidth*this.scaleX)/2),r==="top"?s=t.y+(this.getHeight()+this.strokeWidth*this.scaleY)/2:r==="bottom"&&(s=t.y-(this.getHeight()+this.strokeWidth*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},translateToOriginPoint:function(t,n,r){var i=t.x,s=t.y;return n==="left"?i=t.x-(this.getWidth()+this.strokeWidth*this.scaleX)/2:n==="right"&&(i=t.x+(this.getWidth()+this.strokeWidth*this.scaleX)/2),r==="top"?s=t.y-(this.getHeight()+this.strokeWidth*this.scaleY)/2:r==="bottom"&&(s=t.y+(this.getHeight()+this.strokeWidth*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},getCenterPoint:function(){var e=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(e,this.originX,this.originY)},getPointByOrigin:function(e,t){var n=this.getCenterPoint();return this.translateToOriginPoint(n,e,t)},toLocalPoint:function(t,n,r){var i=this.getCenterPoint(),s,o;return n!==undefined&&r!==undefined?(n==="left"?s=i.x-(this.getWidth()+this.strokeWidth*this.scaleX)/2:n==="right"?s=i.x+(this.getWidth()+this.strokeWidth*this.scaleX)/2:s=i.x,r==="top"?o=i.y-(this.getHeight()+this.strokeWidth*this.scaleY)/2:r==="bottom"?o=i.y+(this.getHeight()+this.strokeWidth*this.scaleY)/2:o=i.y):(s=this.left,o=this.top),fabric.util.rotatePoint(new fabric.Point(t.x,t.y),i,-e(this.angle)).subtractEquals(new fabric.Point(s,o))},setPositionByOrigin:function(e,t,n){var r=this.translateToCenterPoint(e,t,n),i=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",i.x),this.set("top",i.y)},adjustPosition:function(t){var n=e(this.angle),r=this.getWidth()/2,i=Math.cos(n)*r,s=Math.sin(n)*r,o=this.getWidth(),u=Math.cos(n)*o,a=Math.sin(n)*o;this.originX==="center"&&t==="left"||this.originX==="right"&&t==="center"?(this.left-=i,this.top-=s):this.originX==="left"&&t==="center"||this.originX==="center"&&t==="right"?(this.left+=i,this.top+=s):this.originX==="left"&&t==="right"?(this.left+=u,this.top+=a):this.originX==="right"&&t==="left"&&(this.left-=u,this.top-=a),this.setCoords(),this.originX=t},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","center")}})}(),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(e,t){var n=this.oCoords,r=new fabric.Point(n.tl.x,n.tl.y),i=new fabric.Point(n.tr.x,n.tr.y),s=new fabric.Point(n.bl.x,n.bl.y),o=new fabric.Point(n.br.x,n.br.y),u=fabric.Intersection.intersectPolygonRectangle([r,i,o,s],e,t);return u.status==="Intersection"},intersectsWithObject:function(e){function t(e){return{tl:new fabric.Point(e.tl.x,e.tl.y),tr:new fabric.Point(e.tr.x,e.tr.y),bl:new fabric.Point(e.bl.x,e.bl.y),br:new fabric.Point(e.br.x,e.br.y)}}var n=t(this.oCoords),r=t(e.oCoords),i=fabric.Intersection.intersectPolygonPolygon([n.tl,n.tr,n.br,n.bl],[r.tl,r.tr,r.br,r.bl]);return i.status==="Intersection"},isContainedWithinObject:function(e){var t=e.getBoundingRect(),n=new fabric.Point(t.left,t.top),r=new fabric.Point(t.left+t.width,t.top+t.height);return this.isContainedWithinRect(n,r)},isContainedWithinRect:function(e,t){var n=this.getBoundingRect();return n.left>e.x&&n.left+n.width<t.x&&n.top>e.y&&n.top+n.height<t.y},containsPoint:function(e){var t=this._getImageLines(this.oCoords),n=this._findCrossPoints(e,t);return n!==0&&n%2===1},_getImageLines:function(e){return{topline:{o:e.tl,d:e.tr},rightline:{o:e.tr,d:e.br},bottomline:{o:e.br,d:e.bl},leftline:{o:e.bl,d:e.tl}}},_findCrossPoints:function(e,t){var n,r,i,s,o,u,a=0,f;for(var l in t){f=t[l];if(f.o.y<e.y&&f.d.y<e.y)continue;if(f.o.y>=e.y&&f.d.y>=e.y)continue;f.o.x===f.d.x&&f.o.x>=e.x?(o=f.o.x,u=e.y):(n=0,r=(f.d.y-f.o.y)/(f.d.x-f.o.x),i=e.y-n*e.x,s=f.o.y-r*f.o.x,o=-(i-s)/(n-r),u=i+n*o),o>=e.x&&(a+=1);if(a===2)break}return a},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){this.oCoords||this.setCoords();var e=[this.oCoords.tl.x,this.oCoords.tr.x,this.oCoords.br.x,this.oCoords.bl.x],t=fabric.util.array.min(e),n=fabric.util.array.max(e),r=Math.abs(t-n),i=[this.oCoords.tl.y,this.oCoords.tr.y,this.oCoords.br.y,this.oCoords.bl.y],s=fabric.util.array.min(i),o=fabric.util.array.max(i),u=Math.abs(s-o);return{left:t,top:s,width:r,height:u}},getWidth:function(){return this.width*this.scaleX},getHeight:function(){return this.height*this.scaleY},_constrainScale:function(e){return Math.abs(e)<this.minScaleLimit?e<0?-this.minScaleLimit:this.minScaleLimit:e},scale:function(e){return e=this._constrainScale(e),e<0&&(this.flipX=!this.flipX,this.flipY=!this.flipY,e*=-1),this.scaleX=e,this.scaleY=e,this.setCoords(),this},scaleToWidth:function(e){var t=this.getBoundingRectWidth()/this.getWidth();return this.scale(e/this.width/t)},scaleToHeight:function(e){var t=this.getBoundingRectHeight()/this.getHeight();return this.scale(e/this.height/t)},setCoords:function(){var t=this.strokeWidth>1?this.strokeWidth:0,n=this.padding,r=e(this.angle);this.currentWidth=(this.width+t)*this.scaleX+n*2,this.currentHeight=(this.height+t)*this.scaleY+n*2,this.currentWidth<0&&(this.currentWidth=Math.abs(this.currentWidth));var i=Math.sqrt(Math.pow(this.currentWidth/2,2)+Math.pow(this.currentHeight/2,2)),s=Math.atan(isFinite(this.currentHeight/this.currentWidth)?this.currentHeight/this.currentWidth:0),o=Math.cos(s+r)*i,u=Math.sin(s+r)*i,a=Math.sin(r),f=Math.cos(r),l=this.getCenterPoint(),c={x:l.x-o,y:l.y-u},h={x:c.x+this.currentWidth*f,y:c.y+this.currentWidth*a},p={x:h.x-this.currentHeight*a,y:h.y+this.currentHeight*f},d={x:c.x-this.currentHeight*a,y:c.y+this.currentHeight*f},v={x:c.x-this.currentHeight/2*a,y:c.y+this.currentHeight/2*f},m={x:c.x+this.currentWidth/2*f,y:c.y+this.currentWidth/2*a},g={x:h.x-this.currentHeight/2*a,y:h.y+this.currentHeight/2*f},y={x:d.x+this.currentWidth/2*f,y:d.y+this.currentWidth/2*a},b={x:m.x,y:m.y};return this.oCoords={tl:c,tr:h,br:p,bl:d,ml:v,mt:m,mr:g,mb:y,mtr:b},this._setCornerCoords&&this._setCornerCoords(),this}})}(),fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return this.stateProperties.some(function(e){return this.get(e)!==this.originalState[e]},this)},saveState:function(e){return this.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),e&&e.stateProperties&&e.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),this},setupState:function(){return this.originalState={},this.saveState(),this}}),function(){var e=fabric.util.getPointer,t=fabric.util.degreesToRadians,n=typeof G_vmlCanvasManager!="undefined";fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t,n){if(!this.hasControls||!this.active)return!1;var r=e(t,this.canvas.upperCanvasEl),i=r.x-n.left,s=r.y-n.top,o,u;for(var a in this.oCoords){if(!this.isControlVisible(a))continue;if(a==="mtr"&&!this.hasRotatingPoint)continue;if(!(!this.get("lockUniScaling")||a!=="mt"&&a!=="mr"&&a!=="mb"&&a!=="ml"))continue;u=this._getImageLines(this.oCoords[a].corner),o=this._findCrossPoints({x:i,y:s},u);if(o!==0&&o%2===1)return this.__corner=a,a}return!1},_setCornerCoords:function(){var e=this.oCoords,n=t(this.angle),r=t(45-this.angle),i=Math.sqrt(2*Math.pow(this.cornerSize,2))/2,s=i*Math.cos(r),o=i*Math
-.sin(r),u=Math.sin(n),a=Math.cos(n);e.tl.corner={tl:{x:e.tl.x-o,y:e.tl.y-s},tr:{x:e.tl.x+s,y:e.tl.y-o},bl:{x:e.tl.x-s,y:e.tl.y+o},br:{x:e.tl.x+o,y:e.tl.y+s}},e.tr.corner={tl:{x:e.tr.x-o,y:e.tr.y-s},tr:{x:e.tr.x+s,y:e.tr.y-o},br:{x:e.tr.x+o,y:e.tr.y+s},bl:{x:e.tr.x-s,y:e.tr.y+o}},e.bl.corner={tl:{x:e.bl.x-o,y:e.bl.y-s},bl:{x:e.bl.x-s,y:e.bl.y+o},br:{x:e.bl.x+o,y:e.bl.y+s},tr:{x:e.bl.x+s,y:e.bl.y-o}},e.br.corner={tr:{x:e.br.x+s,y:e.br.y-o},bl:{x:e.br.x-s,y:e.br.y+o},br:{x:e.br.x+o,y:e.br.y+s},tl:{x:e.br.x-o,y:e.br.y-s}},e.ml.corner={tl:{x:e.ml.x-o,y:e.ml.y-s},tr:{x:e.ml.x+s,y:e.ml.y-o},bl:{x:e.ml.x-s,y:e.ml.y+o},br:{x:e.ml.x+o,y:e.ml.y+s}},e.mt.corner={tl:{x:e.mt.x-o,y:e.mt.y-s},tr:{x:e.mt.x+s,y:e.mt.y-o},bl:{x:e.mt.x-s,y:e.mt.y+o},br:{x:e.mt.x+o,y:e.mt.y+s}},e.mr.corner={tl:{x:e.mr.x-o,y:e.mr.y-s},tr:{x:e.mr.x+s,y:e.mr.y-o},bl:{x:e.mr.x-s,y:e.mr.y+o},br:{x:e.mr.x+o,y:e.mr.y+s}},e.mb.corner={tl:{x:e.mb.x-o,y:e.mb.y-s},tr:{x:e.mb.x+s,y:e.mb.y-o},bl:{x:e.mb.x-s,y:e.mb.y+o},br:{x:e.mb.x+o,y:e.mb.y+s}},e.mtr.corner={tl:{x:e.mtr.x-o+u*this.rotatingPointOffset,y:e.mtr.y-s-a*this.rotatingPointOffset},tr:{x:e.mtr.x+s+u*this.rotatingPointOffset,y:e.mtr.y-o-a*this.rotatingPointOffset},bl:{x:e.mtr.x-s+u*this.rotatingPointOffset,y:e.mtr.y+o-a*this.rotatingPointOffset},br:{x:e.mtr.x+o+u*this.rotatingPointOffset,y:e.mtr.y+s-a*this.rotatingPointOffset}}},drawBorders:function(e){if(!this.hasBorders)return this;var t=this.padding,n=t*2,r=~~(this.strokeWidth/2)*2;e.save(),e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=this.borderColor;var i=1/this._constrainScale(this.scaleX),s=1/this._constrainScale(this.scaleY);e.lineWidth=1/this.borderScaleFactor,e.scale(i,s);var o=this.getWidth(),u=this.getHeight();e.strokeRect(~~(-(o/2)-t-r/2*this.scaleX)-.5,~~(-(u/2)-t-r/2*this.scaleY)-.5,~~(o+n+r*this.scaleX)+1,~~(u+n+r*this.scaleY)+1);if(this.hasRotatingPoint&&this.isControlVisible("mtr")&&!this.get("lockRotation")&&this.hasControls){var a=(this.flipY?u+r*this.scaleY+t*2:-u-r*this.scaleY-t*2)/2;e.beginPath(),e.moveTo(0,a),e.lineTo(0,a+(this.flipY?this.rotatingPointOffset:-this.rotatingPointOffset)),e.closePath(),e.stroke()}return e.restore(),this},drawControls:function(e){if(!this.hasControls)return this;var t=this.cornerSize,n=t/2,r=~~(this.strokeWidth/2),i=-(this.width/2),s=-(this.height/2),o=this.padding/this.scaleX,u=this.padding/this.scaleY,a=n/this.scaleY,f=n/this.scaleX,l=(n-t)/this.scaleX,c=(n-t)/this.scaleY,h=this.height,p=this.width,d=this.transparentCorners?"strokeRect":"fillRect";return e.save(),e.lineWidth=1/Math.max(this.scaleX,this.scaleY),e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=e.fillStyle=this.cornerColor,this._drawControl("tl",e,d,i-f-r-o,s-a-r-u),this._drawControl("tr",e,d,i+p-f+r+o,s-a-r-u),this._drawControl("tr",e,d,i-f-r-o,s+h+c+r+u),this._drawControl("br",e,d,i+p+l+r+o,s+h+c+r+u),this.get("lockUniScaling")||(this._drawControl("mt",e,d,i+p/2-f,s-a-r-u),this._drawControl("mb",e,d,i+p/2-f,s+h+c+r+u),this._drawControl("mb",e,d,i+p+l+r+o,s+h/2-a),this._drawControl("ml",e,d,i-f-r-o,s+h/2-a)),this.hasRotatingPoint&&this._drawControl("mtr",e,d,i+p/2-f,this.flipY?s+h+this.rotatingPointOffset/this.scaleY-this.cornerSize/this.scaleX/2+r+u:s-this.rotatingPointOffset/this.scaleY-this.cornerSize/this.scaleY/2-r-u),e.restore(),this},_drawControl:function(e,t,r,i,s){var o=this.cornerSize/this.scaleX,u=this.cornerSize/this.scaleY;this.isControlVisible(e)&&(n||this.transparentCorners||t.clearRect(i,s,o,u),t[r](i,s,o,u))},isControlVisible:function(e){return this._getControlsVisibility()[e]},setControlVisible:function(e,t){return this._getControlsVisibility()[e]=t,this},setControlsVisibility:function(e){e||(e={});for(var t in e)this.setControlVisible(t,e[t]);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(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("left"),endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(t){e.set("left",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxCenterObjectV:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("top"),endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(t){e.set("top",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxRemove:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("opacity"),endValue:0,duration:this.FX_DURATION,onStart:function(){e.set("active",!1)},onChange:function(t){e.set("opacity",t),s.renderAll(),i()},onComplete:function(){s.remove(e),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&typeof arguments[0]=="object"){var e=[],t,n;for(t in arguments[0])e.push(t);for(var r=0,i=e.length;r<i;r++)t=e[r],n=r!==i-1,this._animate(t,arguments[0][t],arguments[1],n)}else this._animate.apply(this,arguments);return this},_animate:function(e,t,n,r){var i=this,s;t=t.toString(),n?n=fabric.util.object.clone(n):n={},~e.indexOf(".")&&(s=e.split("."));var o=s?this.get(s[0])[s[1]]:this.get(e);"from"in n||(n.from=o),~t.indexOf("=")?t=o+parseFloat(t.replace("=","")):t=parseFloat(t),fabric.util.animate({startValue:n.from,endValue:t,byValue:n.by,easing:n.easing,duration:n.duration,abort:n.abort&&function(){return n.abort.call(i)},onChange:function(t){s?i[s[0]][s[1]]=t:i.set(e,t);if(r)return;n.onChange&&n.onChange()},onComplete:function(){if(r)return;i.setCoords(),n.onComplete&&n.onComplete()}})}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r={x1:1,x2:1,y1:1,y2:1},i=t.StaticCanvas.supports("setLineDash");if(t.Line){t.warn("fabric.Line is already defined");return}t.Line=t.util.createClass(t.Object,{type:"line",initialize:function(e,t){t=t||{},e||(e=[0,0,0,0]),this.callSuper("initialize",t),this.set("x1",e[0]),this.set("y1",e[1]),this.set("x2",e[2]),this.set("y2",e[3]),this._setWidthHeight(t)},_setWidthHeight:function(e){e||(e={}),this.set("width",Math.abs(this.x2-this.x1)||1),this.set("height",Math.abs(this.y2-this.y1)||1),this.set("left","left"in e?e.left:Math.min(this.x1,this.x2)+this.width/2),this.set("top","top"in e?e.top:Math.min(this.y1,this.y2)+this.height/2)},_set:function(e,t){return this[e]=t,e in r&&this._setWidthHeight(),this},_render:function(e){e.beginPath();var t=this.group&&this.group.type!=="group";t&&!this.transformMatrix&&e.translate(-this.group.width/2+this.left,-this.group.height/2+this.top);if(!this.strokeDashArray||this.strokeDashArray&&i){var n=this.x1<=this.x2?-1:1,r=this.y1<=this.y2?-1:1;e.moveTo(this.width===1?0:n*this.width/2,this.height===1?0:r*this.height/2),e.lineTo(this.width===1?0:n*-1*this.width/2,this.height===1?0:r*-1*this.height/2)}e.lineWidth=this.strokeWidth;var s=e.strokeStyle;e.strokeStyle=this.stroke||e.fillStyle,this._renderStroke(e),e.strokeStyle=s},_renderDashedStroke:function(e){var n=this.x1<=this.x2?-1:1,r=this.y1<=this.y2?-1:1,i=this.width===1?0:n*this.width/2,s=this.height===1?0:r*this.height/2;e.beginPath(),t.util.drawDashedLine(e,i,s,-i,-s,this.strokeDashArray),e.closePath()},toObject:function(e){return n(this.callSuper("toObject",e),{x1:this.get("x1"),y1:this.get("y1"),x2:this.get("x2"),y2:this.get("y2")})},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<line ",'x1="',this.get("x1"),'" y1="',this.get("y1"),'" x2="',this.get("x2"),'" y2="',this.get("y2"),'" style="',this.getSvgStyles(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Line.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),t.Line.fromElement=function(e,r){var i=t.parseAttributes(e,t.Line.ATTRIBUTE_NAMES),s=[i.x1||0,i.y1||0,i.x2||0,i.y2||0];return new t.Line(s,n(i,r))},t.Line.fromObject=function(e){var n=[e.x1,e.y1,e.x2,e.y2];return new t.Line(n,e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function i(e){return"radius"in e&&e.radius>0}var t=e.fabric||(e.fabric={}),n=Math.PI*2,r=t.util.object.extend;if(t.Circle){t.warn("fabric.Circle is already defined.");return}t.Circle=t.util.createClass(t.Object,{type:"circle",initialize:function(e){e=e||{},this.set("radius",e.radius||0),this.callSuper("initialize",e)},_set:function(e,t){return this.callSuper("_set",e,t),e==="radius"&&this.setRadius(t),this},toObject:function(e){return r(this.callSuper("toObject",e),{radius:this.get("radius")})},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<circle ",'cx="0" cy="0" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},_render:function(e,t){e.beginPath(),e.globalAlpha=this.group?e.globalAlpha*this.opacity:this.opacity,e.arc(t?this.left:0,t?this.top:0,this.radius,0,n,!1),e.closePath(),this._renderFill(e),this._renderStroke(e)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(e){this.radius=e,this.set("width",e*2).set("height",e*2)},complexity:function(){return 1}}),t.Circle.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),t.Circle.fromElement=function(e,n){n||(n={});var s=t.parseAttributes(e,t.Circle.ATTRIBUTE_NAMES);if(!i(s))throw new Error("value of `r` attribute is required and can not be negative");"left"in s&&(s.left-=n.width/2||0),"top"in s&&(s.top-=n.height/2||0);var o=new t.Circle(r(s,n));return o.cx=parseFloat(e.getAttribute("cx"))||0,o.cy=parseFloat(e.getAttribute("cy"))||0,o},t.Circle.fromObject=function(e){return new t.Circle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Triangle){t.warn("fabric.Triangle is already defined");return}t.Triangle=t.util.createClass(t.Object,{type:"triangle",initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("width",e.width||100).set("height",e.height||100)},_render:function(e){var t=this.width/2,n=this.height/2;e.beginPath(),e.moveTo(-t,n),e.lineTo(0,-n),e.lineTo(t,n),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=this.width/2,r=this.height/2;e.beginPath(),t.util.drawDashedLine(e,-n,r,0,-r,this.strokeDashArray),t.util.drawDashedLine(e,0,-r,n,r,this.strokeDashArray),t.util.drawDashedLine(e,n,r,-n,r,this.strokeDashArray),e.closePath()},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=this.width/2,r=this.height/2,i=[-n+" "+r,"0 "+ -r,n+" "+r].join(",");return t.push("<polygon ",'points="',i,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Triangle.fromObject=function(e){return new t.Triangle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=Math.PI*2,r=t.util.object.extend;if(t.Ellipse){t.warn("fabric.Ellipse is already defined.");return}t.Ellipse=t.util.createClass(t.Object,{type:"ellipse",rx:0,ry:0,initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("rx",e.rx||0),this.set("ry",e.ry||0),this.set("width",this.get("rx")*2),this.set("height",this.get("ry")*2)},toObject:function(e){return r(this.callSuper("toObject",e),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<ellipse ",'rx="',this.get("rx"),'" ry="',this.get("ry"),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},render:function(e,t){if(this.rx===0||this.ry===0)return;return this.callSuper("render",e,t)},_render:function(e,t){e.beginPath(),e.save(),e.globalAlpha=this.group?e.globalAlpha*this.opacity:this.opacity,this.transformMatrix&&this.group&&e.translate(this.cx,this.cy),e.transform(1,0,0,this.ry/this.rx,0,0),e.arc(t?this.left:0,t?this.top:0,this.rx,0,n,!1),this._renderFill(e),this._renderStroke(e),e.restore()},complexity:function(){return 1}}),t.Ellipse.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),t.Ellipse.fromElement=function(e,n){n||(n={});var i=t.parseAttributes(e,t.Ellipse.ATTRIBUTE_NAMES),s=i.left,o=i.top;"left"in i&&(i.left-=n.width/2||0),"top"in i&&(i.top-=n.height/2||0);var u=new t.Ellipse(r(i,n));return u.cx=s||0,u.cy=o||0,u},t.Ellipse.fromObject=function(e){return new t.Ellipse(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function i(e){return e.left=e.left||0,e.top=e.top||0,e}var t=e.fabric||(e.fabric={}),n=t.util.object.extend;if(t.Rect){console.warn("fabric.Rect is already defined");return}var r=t.Object.prototype.stateProperties.concat();r.push("rx","ry","x","y"),t.Rect=t.util.createClass(t.Object,{stateProperties:r,type:"rect",rx:0,ry:0,x:0,y:0,strokeDashArray:null,initialize:function(e){e=e||{},this.callSuper("initialize",e),this._initRxRy(),this.x=e.x||0,this.y=e.y||0},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(e){var t=this.rx||0,n=this.ry||0,r=-this.width/2,i=-this.height/2,s=this.width,o=this.height,u=this.group&&this.group.type!=="group";e.beginPath(),e.globalAlpha=u?e.globalAlpha*this.opacity:this.opacity,this.transformMatrix&&u&&e.translate(this.width/2+this.x,this.height/2+this.y),!this.transformMatrix&&u&&e.translate(-this.group.width/2+this.width/2+this.x,-this.group.height/2+this.height/2+this.y);var a=t!==0||n!==0;e.moveTo(r+t,i),e.lineTo(r+s-t,i),a&&e.quadraticCurveTo(r+s,i,r+s,i+n,r+s,i+n),e.lineTo(r+s,i+o-n),a&&e.quadraticCurveTo(r+s,i+o,r+s-t,i+o,r+s-t,i+o),e.lineTo(r+t,i+o),a&&e.quadraticCurveTo(r,i+o,r,i+o-n,r,i+o-n),e.lineTo(r,i+n),a&&e.quadraticCurveTo(r,i,r+t,i,r+t,i),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=-this.width/2,r=-this.height/2,i=this.width,s=this.height;e.beginPath(),t.util.drawDashedLine(e,n,r,n+i,r,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r,n+i,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r+s,n,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n,r+s,n,r,this.strokeDashArray),e.closePath()},_normalizeLeftTopProperties:function(e){return"left"in e&&this.set("left",e.left+this.getWidth()/2),this.set("x",e.left||0),"top"in e&&this.set("top",e.top+this.getHeight()/2),this.set("y",e.top||0),this},toObject:function(e){var t=n(this.callSuper("toObject",e),{rx:this.get("rx")||0,ry:this.get("ry")||0,x:this.get("x"),y:this.get("y")});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<rect ",'x="',-1*this.width/2,'" y="',-1*this.height/2,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Rect.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),t.Rect.fromElement=function(e,r){if(!e)return null;var s=t.parseAttributes(e,t.Rect.ATTRIBUTE_NAMES);s=i(s);var o=new t.Rect(n(r?t.util.object.clone(r):{},s));return o._normalizeLeftTopProperties(s),o},t.Rect.fromObject=function(e){return new t.Rect(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.toFixed;if(t.Polyline){t.warn("fabric.Polyline is already defined");return}t.Polyline=t.util.createClass(t.Object,{type:"polyline",initialize:function(e,t,n){t=t||{},this.set("points",e),this.callSuper("initialize",t),this._calcDimensions(n)},_calcDimensions:function(e){return t.Polygon.prototype._calcDimensions.call(this,e)},toObject:function(e){return t.Polygon.prototype.toObject.call(this,e)},toSVG:function(e){var t=[],r=this._createBaseSVGMarkup();for(var i=0,s=this.points.length;i<s;i++)t.push(n(this.points[i].x,2),",",n(this.points[i].y,2)," ");return r.push("<polyline ",'points="',t.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(r.join("")):r.join("")},_render:function(e){var t;e.beginPath(),e.moveTo(this.points[0].x,this.points[0].y);for(var n=0,r=this.points.length;n<r;n++)t=this.points[n],e.lineTo(t.x,t.y);this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n,r;e.beginPath();for(var i=0,s=this.points.length;i<s;i++)n=this.points[i],r=this.points[i+1]||n,t.util.drawDashedLine(e,n.x,n.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),t.Polyline.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polyline.fromElement=function(e,n){if(!e)return null;n||(n={});var r=t.parsePointsAttribute(e.getAttribute("points")),i=t.parseAttributes(e,t.Polyline.ATTRIBUTE_NAMES);return t.util.normalizePoints(r,n),new t.Polyline(r,t.util.object.extend(i,n),!0)},t.Polyline.fromObject=function(e){var n=e.points;return new t.Polyline(n,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.toFixed;if(t.Polygon){t.warn("fabric.Polygon is already defined");return}t.Polygon=t.util.createClass(t.Object,{type:"polygon",initialize:function(e,t,n){t=t||{},this.points=e,this.callSuper("initialize",t),this._calcDimensions(n)},_calcDimensions:function(e){var t=this.points,n=r(t,"x"),s=r(t,"y"),o=i(t,"x"),u=i(t,"y");this.width=o-n||1,this.height=u-s||1,this.minX=n,this.minY=s;if(e)return;var a=this.width/2+this.minX,f=this.height/2+this.minY;this.points.forEach(function(e){e.x-=a,e.y-=f},this)},toObject:function(e){return n(this.callSuper("toObject",e),{points:this.points.concat()})},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup();for(var r=0,i=this.points.length;r<i;r++)t.push(s(this.points[r].x,2),",",s(this.points[r].y,2)," ");return n.push("<polygon ",'points="',t.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(n.join("")):n.join("")},_render:function(e){var t;e.beginPath(),e.moveTo(this.points[0].x,this.points[0].y);for(var n=0,r=this.points.length;n<r;n++)t=this.points[n],e.lineTo(t.x,t.y);this._renderFill(e);if(this.stroke||this.strokeDashArray)e.closePath(),this._renderStroke(e)},_renderDashedStroke:function(e){var n,r;e.beginPath();for(var i=0,s=this.points.length;i<s;i++)n=this.points[i],r=this.points[i+1]||this.points[0],t.util.drawDashedLine(e,n.x,n.y,r.x,r.y,this.strokeDashArray);e.closePath()},complexity:function(){return this.points.length}}),t.Polygon.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polygon.fromElement=function(e,r){if(!e)return null;r||(r={});var i=t.parsePointsAttribute(e.getAttribute("points")),s=t.parseAttributes(e,t.Polygon.ATTRIBUTE_NAMES);return t.util.normalizePoints(i,r),new t.Polygon(i,n(s,r),!0)},t.Polygon.fromObject=function(e){return new t.Polygon(e.points,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){function a(e){return e[0]==="H"?e[1]:e[e.length-2]}function f(e){return e[0]==="V"?e[1]:e[e.length-1]}var t={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7};"use strict";var n=e.fabric||(e.fabric={}),r=n.util.array.min,i=n.util.array.max,s=n.util.object.extend,o=Object.prototype.toString,u=n.util.drawArc;if(n.Path){n.warn("fabric.Path is already defined");return}n.Path=n.util.createClass(n.Object,{type:"path",initialize:function(e,t){t=t||{},this.setOptions(t);if(!e)throw new Error("`path` argument is required");var n=o.call(e)==="[object Array]";this.path=n?e:e.match&&e.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi);if(!this.path)return;n||(this.path=this._parsePath()),this._initializePath(t),t.sourcePath&&this.setSourcePath(t.sourcePath)},_initializePath:function(e){var t="width"in e&&e.width!=null,n="height"in e&&e.width!=null,r="left"in e,i="top"in e,o=r?this.left:0,u=i?this.top:0;!t||!n?(s(this,this._parseDimensions()),t&&(this.width=e.width),n&&(this.height=e.height)):(i||(this.top=this.height/2),r||(this.left=this.width/2)),this.pathOffset=this.pathOffset||this._calculatePathOffset(o,u)},_calculatePathOffset:function(e,t){return{x:this.left-e-this.width/2,y:this.top-t-this.height/2}},_render:function(e){var t,n=null,r=0,i=0,s=0,o=0,a,f,l,c,h=-(this.width/2+this.pathOffset.x),p=-(this.height/2+this.pathOffset.y);for(var d=0,v=this.path.length;d<v;++d){t=this.path[d];switch(t[0]){case"l":r+=t[1],i+=t[2],e.lineTo(r+h,i+p);break;case"L":r=t[1],i=t[2],e.lineTo(r+h,i+p);break;case"h":r+=t[1],e.lineTo(r+h,i+p);break;case"H":r=t[1],e.lineTo(r+h,i+p);break;case"v":i+=t[1],e.lineTo(r+h,i+p);break;case"V":i=t[1],e.lineTo(r+h,i+p);break;case"m":r+=t[1],i+=t[2],e[!n||n[0]!=="m"&&n[0]!=="M"?"moveTo":"lineTo"](r+h,i+p);break;case"M":r=t[1],i=t[2],e[!n||n[0]!=="m"&&n[0]!=="M"?"moveTo":"lineTo"](r+h,i+p);break;case"c":a=r+t[5],f=i+t[6],s=r+t[3],o=i+t[4],e.bezierCurveTo(r+t[1]+h,i+t[2]+p,s+h,o+p,a+h,f+p),r=a,i=f;break;case"C":r=t[5],i=t[6],s=t[3],o=t[4],e.bezierCurveTo(t[1]+h,t[2]+p,s+h,o+p,r+h,i+p);break;case"s":a=r+t[3],f=i+t[4],s=s?2*r-s:r,o=o?2*i-o:i,e.bezierCurveTo(s+h,o+p,r+t[1]+h,i+t[2]+p,a+h,f+p),s=r+t[1],o=i+t[2],r=a,i=f;break;case"S":a=t[3],f=t[4],s=2*r-s,o=2*i-o,e.bezierCurveTo(s+h,o+p,t[1]+h,t[2]+p,a+h,f+p),r=a,i=f,s=t[1],o=t[2];break;case"q":a=r+t[3],f=i+t[4],s=r+t[1],o=i+t[2],e.quadraticCurveTo(s+h,o+p,a+h,f+p),r=a,i=f;break;case"Q":a=t[3],f=t[4],e.quadraticCurveTo(t[1]+h,t[2]+p,a+h,f+p),r=a,i=f,s=t[1],o=t[2];break;case"t":a=r+t[1],f=i+t[2],n[0].match(/[QqTt]/)===null?(s=r,o=i):n[0]==="t"?(s=2*r-l,o=2*i-c):n[0]==="q"&&(s=2*r-s,o=2*i-o),l=s,c=o,e.quadraticCurveTo(s+h,o+p,a+h,f+p),r=a,i=f,s=r+t[1],o=i+t[2];break;case"T":a=t[1],f=t[2],s=2*r-s,o=2*i-o,e.quadraticCurveTo(s+h,o+p,a+h,f+p),r=a,i=f;break;case"a":u(e,r+h,i+p,[t[1],t[2],t[3],t[4],t[5],t[6]+r+h,t[7]+i+p]),r+=t[6],i+=t[7];break;case"A":u(e,r+h,i+p,[t[1],t[2],t[3],t[4],t[5],t[6]+h,t[7]+p]),r=t[6],i=t[7];break;case"z":case"Z":e.closePath()}n=t}},render:function(e,t){if(!this.visible)return;e.save();var r=this.transformMatrix;r&&e.transform(r[0],r[1],r[2],r[3],r[4],r[5]),t||this.transform(e),this._setStrokeStyles(e),this._setFillStyles(e),this._setShadow(e),this.clipTo&&n.util.clipContext(this,e),e.beginPath(),this._render(e),this._renderFill(e),this._renderStroke(e),this.clipTo&&e.restore(),this._removeShadow(e),!t&&this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore()},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(e){var t=s(this.callSuper("toObject",e),{path:this.path,pathOffset:this.pathOffset});return this.sourcePath&&(t.sourcePath=this.sourcePath),this.transformMatrix&&(t.transformMatrix=this.transformMatrix),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.path=this.sourcePath),delete t.sourcePath,t},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup();for(var r=0,i=this.path.length;r<i;r++)t.push(this.path[r].join(" "));var s=t.join(" ");return n.push('<g transform="',this.group?"":this.getSvgTransform(),'">',"<path ",'d="',s,'" style="',this.getSvgStyles(),'" transform="translate(',-this.width/2," ",-this.height/2,")",'" stroke-linecap="round" ',"/>","</g>"),e?e(n.join("")):n.join("")},complexity:function(){return this.path.length},_parsePath:function(){var e=[],n=[],r,i,s=/(-?\.\d+)|(-?\d+(\.\d+)?)/g,o,u;for(var a=0,f,l=this.path.length;a<l;a++){r=this.path[a],u=r.slice(1).trim(),n.length=0;while(o=s.exec(u))n.push(o[0]);f=[r.charAt(0)];for(var c=0,h=n.length;c<h;c++)i=parseFloat(n[c]),isNaN(i)||f.push(i);var p=f[0].toLowerCase(),d=t[p];if(f.length-1>d)for(var v=1,m=f.length;v<m;v+=d)e.push([f[0]].concat(f.slice(v,v+d)));else e.push(f)}return e},_parseDimensions:function(){var e=[],t=[],n={};this.path.forEach(function(r,i){this._getCoordsFromCommand(r,i,e,t,n)},this);var s=r(e),o=r(t),u=i(e),a=i(t),f=u-s,l=a-o,c={left:this.left+(s+f/2),top:this.top+(o+l/2),width:f,height:l};return c},_getCoordsFromCommand:function(e,t,n,r,i){var s=!1;e[0]!=="H"&&(i.x=t===0?a(e):a(this.path[t-1])),e[0]!=="V"&&(i.y=t===0?f(e):f(this.path[t-1])),e[0]===e[0].toLowerCase()&&(s=!0);var o=this._getXY(e,s,i),u=parseInt(o.x,10);isNaN(u)||n.push(u),u=parseInt(o.y,10),isNaN(u)||r.push(u)},_getXY:function(e,t,n){var r=t?n.x+a(e):e[0]==="V"?n.x:a(e),i=t?n.y+f(e):e[0]==="H"?n.y:f(e);return{x:r,y:i}}}),n.Path.fromObject=function(e,t){typeof e.path=="string"?n.loadSVGFromURL(e.path,function(r){var i=r[0],s=e.path;delete e.path,n.util.object.extend(i,e),i.setSourcePath(s),t(i)}):t(new n.Path(e.path,e))},n.Path.ATTRIBUTE_NAMES=n.SHARED_ATTRIBUTES.concat(["d"]),n.Path.fromElement=function(e,t,r){var i=n.parseAttributes(e,n.Path.ATTRIBUTE_NAMES);t&&t(new n.Path(i.d,s(i,r)))},n.Path.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.invoke,i=t.Object.prototype.toObject;if(t.PathGroup){t.warn("fabric.PathGroup is already defined");return}t.PathGroup=t.util.createClass(t.Path,{type:"path-group",fill:"",initialize:function(e,t){t=t||{},this.paths=e||[];for(var n=this.paths.length;n--;)this.paths[n].group=this;this.setOptions(t),this.setCoords(),t.sourcePath&&this.setSourcePath(t.sourcePath)},render:function(e){if(!this.visible)return;e.save();var n=this.transformMatrix;n&&e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),this.transform(e),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e);for(var r=0,i=this.paths.length;r<i;++r)this.paths[r].render(e,!0);this.clipTo&&e.restore(),this._removeShadow(e),this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore()},_set:function(e,t){if(e==="fill"&&t&&this.isSameColor()){var n=this.paths.length;while(n--)this.paths[n]._set(e,t)}return this.callSuper("_set",e,t)},toObject:function(e){var t=n(i.call(this,e),{paths:r(this.getObjects(),"toObject",e)});return this.sourcePath&&(t.sourcePath=this.sourcePath),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.paths=this.sourcePath),t},toSVG:function(e){var t=this.getObjects(),n=["<g ",'style="',this.getSvgStyles(),'" ','transform="',this.getSvgTransform(),'" ',">"];for(var r=0,i=t.length;r<i;r++)n.push(t[r].toSVG(e));return n.push("</g>"),e?e(n.join("")):n.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var e=this.getObjects()[0].get("fill");return this.getObjects().every(function(t){return t.get("fill")===e})},complexity:function(){return this.paths.reduce(function(e,t){return e+(t&&t.complexity?t.complexity():0)},0)},getObjects:function(){return this.paths}}),t.PathGroup.fromObject=function(e,n){typeof e.paths=="string"?t.loadSVGFromURL(e.paths,function(r){var i=e.paths;delete e.paths;var s=t.util.groupSVGElements(r,e,i);n(s)}):t.util.enlivenObjects(e.paths,function(r){delete e.paths,n(new t.PathGroup(r,e))})},t.PathGroup.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.array.invoke;if(t.Group)return;var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};t.Group=t.util.createClass(t.Object,t.Collection,{type:"group",initialize:function(e,t){t=t||{},this._objects=e||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;this.originalState={},this.callSuper("initialize"),this._calcBounds(),this._updateObjectsCoords(),t&&n(this,t),this._setOpacityIfSame(),this.setCoords(!0),this.saveCoords()},_updateObjectsCoords:function(){this.forEachObject(this._updateObjectCoords,this)},_updateObjectCoords:function(e){var t=e.getLeft(),n=e.getTop();e.set({originalLeft:t,originalTop:n,left:t-this.left,top:n-this.top}),e.setCoords(),e.__origHasControls=e.hasControls,e.hasControls=!1},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(e){return this._restoreObjectsState(),this._objects.push(e),e.group=this,this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(e){e.set("active",!0),e.group=this},removeWithUpdate:function(e){return this._moveFlippedObject(e),this._restoreObjectsState(),this.forEachObject(this._setObjectActive,this),this.remove(e),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(e){e.group=this},_onObjectRemoved:function(e){delete e.group,e.set("active",!1)},delegatedProperties:{fill:!0,opacity:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(e,t){if(e in this.delegatedProperties){var n=this._objects.length;this[e]=t;while(n--)this._objects[n].set(e,t)}else this[e]=t},toObject:function(e){return n(this.callSuper("toObject",e),{objects:s(this._objects,"toObject",e)})},render:function(e,n){if(!this.visible)return;e.save(),this.transform(e),this.clipTo&&t.util.clipContext(this,e);for(var r=0,i=this._objects.length;r<i;r++)this._renderObject(this._objects[r],e);this.clipTo&&e.restore(),!n&&this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore(),this.setCoords()},_renderObject:function(e,t){var n=e.borderScaleFactor,r=e.hasRotatingPoint,i=Math.max(this.scaleX,this.scaleY);if(!e.visible)return;e.borderScaleFactor=i,e.hasRotatingPoint=!1,e.render(t),e.borderScaleFactor=n,e.hasRotatingPoint=r},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},_moveFlippedObject:function(e){var t=e.get("originX"),n=e.get("originY"),r=e.getCenterPoint();e.set({originX:"center",originY:"center",left:r.x,top:r.y}),this._toggleFlipping(e);var i=e.getPointByOrigin(t,n);return e.set({originX:t,originY:n,left:i.x,top:i.y}),this},_toggleFlipping:function(e){this.flipX&&(e.toggle("flipX"),e.set("left",-e.get("left")),e.setAngle(-e.getAngle())),this.flipY&&(e.toggle("flipY"),e.set("top",-e.get("top")),e.setAngle(-e.getAngle()))},_restoreObjectState:function(e){return this._setObjectPosition(e),e.setCoords(),e.hasControls=e.__origHasControls,delete e.__origHasControls,e.set("active",!1),e.setCoords(),delete e.group,this},_setObjectPosition:function(e){var t=this.getLeft(),n=this.getTop(),r=this._getRotatedLeftTop(e);e.set({angle:e.getAngle()+this.getAngle(),left:t+r.left,top:n+r.top,scaleX:e.get("scaleX")*this.get("scaleX"),scaleY:e.get("scaleY")*this.get("scaleY")})},_getRotatedLeftTop:function(e){var t=this.getAngle()*(Math.PI/180);return{left:-Math.sin(t)*e.getTop()*this.get("scaleY")+Math.cos(t)*e.getLeft()*this.get("scaleX"),top:Math.cos(t)*e.getTop()*this.get("scaleY")+Math.sin(t)*e.getLeft()*this.get("scaleX")}},destroy:function(){return this._objects.forEach(this._moveFlippedObject,this),this._restoreObjectsState()},saveCoords:function(){return this._originalLeft=this.get("left"),this._originalTop=this.get("top"),this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){return this.forEachObject(function(e){e.setCoords()}),this},_setOpacityIfSame:function(){var e=this.getObjects(),t=e[0]?e[0].get("opacity"):1,n=e.every(function(e){return e.get("opacity")===t});n&&(this.opacity=t)},_calcBounds:function(){var e=[],t=[],n;for(var r=0,i=this._objects.length;r<i;++r){n=this._objects[r],n.setCoords();for(var s in n.oCoords)e.push(n.oCoords[s].x),t.push(n.oCoords[s].y)}this.set(this._getBounds(e,t))},_getBounds:function(e,t){var n=r(e),s=i(e),o=r(t),u=i(t),a=s-n||0,f=u-o||0;return{width:a,height:f,left:n+a/2||0,top:o+f/2||0}},toSVG:function(e){var t=["<g ",'transform="',this.getSvgTransform(),'">'];for(var n=0,r=this._objects.length;n<r;n++)t.push(this._objects[n].toSVG(e));return t.push("</g>"),e?e(t.join("")):t.join("")},get:function(e){if(e in o){if(this[e])return this[e];for(var t=0,n=this._objects.length;t<n;t++)if(this._objects[t][e])return!0;return!1}return e in this.delegatedProperties?this._objects[0]&&this._objects[0].get(e):this[e]}}),t.Group.fromObject=function(e,n){t.util.enlivenObjects(e.objects,function(r){delete e.objects,n&&n(new t.Group(r,e))})},t.Group.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=fabric.util.object.extend;e.fabric||(e.fabric={});if(e.fabric.Image){fabric.warn("fabric.Image is already defined.");return}fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",initialize:function(e,t){t||(t={}),this.filters=[],this.callSuper("initialize",t),this._initElement(e,t
-),this._initConfig(t),t.filters&&(this.filters=t.filters,this.applyFilters())},getElement:function(){return this._element},setElement:function(e,t){return this._element=e,this._originalElement=e,this._initConfig(),this.filters.length!==0&&this.applyFilters(t),this},setCrossOrigin:function(e){return this.crossOrigin=e,this._element.crossOrigin=e,this},getOriginalSize:function(){var e=this.getElement();return{width:e.width,height:e.height}},render:function(e,t){if(!this.visible)return;e.save();var n=this.transformMatrix,r=this.group&&this.group.type!=="group";r&&e.translate(-this.group.width/2+this.width/2,-this.group.height/2+this.height/2),n&&e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),t||this.transform(e),e.save(),this._setShadow(e),this.clipTo&&fabric.util.clipContext(this,e),this._render(e),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e),this._renderStroke(e),this.clipTo&&e.restore(),e.restore(),this.active&&!t&&(this.drawBorders(e),this.drawControls(e)),e.restore()},_stroke:function(e){e.save(),this._setStrokeStyles(e),e.beginPath(),e.strokeRect(-this.width/2,-this.height/2,this.width,this.height),e.closePath(),e.restore()},_renderDashedStroke:function(e){var t=-this.width/2,n=-this.height/2,r=this.width,i=this.height;e.save(),this._setStrokeStyles(e),e.beginPath(),fabric.util.drawDashedLine(e,t,n,t+r,n,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n,t+r,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n+i,t,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t,n+i,t,n,this.strokeDashArray),e.closePath(),e.restore()},toObject:function(e){return t(this.callSuper("toObject",e),{src:this._originalElement.src||this._originalElement._src,filters:this.filters.map(function(e){return e&&e.toObject()}),crossOrigin:this.crossOrigin})},toSVG:function(e){var t=[];t.push('<g transform="',this.getSvgTransform(),'">','<image xlink:href="',this.getSvgSrc(),'" style="',this.getSvgStyles(),'" transform="translate('+ -this.width/2+" "+ -this.height/2+")",'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="none"','"></image>');if(this.stroke||this.strokeDashArray){var n=this.fill;this.fill=null,t.push("<rect ",'x="',-1*this.width/2,'" y="',-1*this.height/2,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>'),this.fill=n}return t.push("</g>"),e?e(t.join("")):t.join("")},getSrc:function(){return this.getElement().src||this.getElement()._src},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},clone:function(e,t){this.constructor.fromObject(this.toObject(t),e)},applyFilters:function(e){if(this.filters.length===0){this._element=this._originalElement,e&&e();return}var t=this._originalElement,n=fabric.util.createCanvasElement(),r=fabric.util.createImage(),i=this;return n.width=t.width,n.height=t.height,n.getContext("2d").drawImage(t,0,0,t.width,t.height),this.filters.forEach(function(e){e&&e.applyTo(n)}),r.width=t.width,r.height=t.height,fabric.isLikelyNode?(r.src=n.toBuffer(undefined,fabric.Image.pngCompression),i._element=r,e&&e()):(r.onload=function(){i._element=r,e&&e(),r.onload=n=t=null},r.src=n.toDataURL("image/png")),this},_render:function(e){e.drawImage(this._element,-this.width/2,-this.height/2,this.width,this.height)},_resetWidthHeight:function(){var e=this.getElement();this.set("width",e.width),this.set("height",e.height)},_initElement:function(e){this.setElement(fabric.util.getById(e)),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(e){e||(e={}),this.setOptions(e),this._setWidthHeight(e),this._element.crossOrigin=this.crossOrigin},_initFilters:function(e,t){e.filters&&e.filters.length?fabric.util.enlivenObjects(e.filters,function(e){t&&t(e)},"fabric.Image.filters"):t&&t()},_setWidthHeight:function(e){this.width="width"in e?e.width:this.getElement().width||0,this.height="height"in e?e.height:this.getElement().height||0},complexity:function(){return 1}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){fabric.Image.prototype._initFilters.call(e,e,function(r){e.filters=r||[];var i=new fabric.Image(n,e);t&&t(i)})},null,e.crossOrigin)},fabric.Image.fromURL=function(e,t,n){fabric.util.loadImage(e,function(e){t(new fabric.Image(e,n))},null,n&&n.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height xlink:href".split(" ")),fabric.Image.fromElement=function(e,n,r){var i=fabric.parseAttributes(e,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(i["xlink:href"],n,t(r?fabric.util.object.clone(r):{},i))},fabric.Image.async=!0,fabric.Image.pngCompression=1}(typeof exports!="undefined"?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var e=this.getAngle()%360;return e>0?Math.round((e-1)/90)*90:Math.round(e/90)*90},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(e){e=e||{};var t=function(){},n=e.onComplete||t,r=e.onChange||t,i=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(e){i.setAngle(e),r()},onComplete:function(){i.setCoords(),n()},onStart:function(){i.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(e){return e.straighten(),this.renderAll(),this},fxStraightenObject:function(e){return e.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Brightness=t.util.createClass(t.Image.filters.BaseFilter,{type:"Brightness",initialize:function(e){e=e||{},this.brightness=e.brightness||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.brightness;for(var s=0,o=r.length;s<o;s+=4)r[s]+=i,r[s+1]+=i,r[s+2]+=i;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{brightness:this.brightness})}}),t.Image.filters.Brightness.fromObject=function(e){return new t.Image.filters.Brightness(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Convolute=t.util.createClass(t.Image.filters.BaseFilter,{type:"Convolute",initialize:function(e){e=e||{},this.opaque=e.opaque,this.matrix=e.matrix||[0,0,0,0,1,0,0,0,0];var n=t.util.createCanvasElement();this.tmpCtx=n.getContext("2d")},_createImageData:function(e,t){return this.tmpCtx.createImageData(e,t)},applyTo:function(e){var t=this.matrix,n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=Math.round(Math.sqrt(t.length)),s=Math.floor(i/2),o=r.data,u=r.width,a=r.height,f=u,l=a,c=this._createImageData(f,l),h=c.data,p=this.opaque?1:0;for(var d=0;d<l;d++)for(var v=0;v<f;v++){var m=d,g=v,y=(d*f+v)*4,b=0,w=0,E=0,S=0;for(var x=0;x<i;x++)for(var T=0;T<i;T++){var N=m+x-s,C=g+T-s;if(N>=0&&N<a&&C>=0&&C<u){var k=(N*u+C)*4,L=t[x*i+T];b+=o[k]*L,w+=o[k+1]*L,E+=o[k+2]*L,S+=o[k+3]*L}}h[y]=b,h[y+1]=w,h[y+2]=E,h[y+3]=S+p*(255-S)}n.putImageData(c,0,0)},toObject:function(){return n(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),t.Image.filters.Convolute.fromObject=function(e){return new t.Image.filters.Convolute(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.GradientTransparency=t.util.createClass(t.Image.filters.BaseFilter,{type:"GradientTransparency",initialize:function(e){e=e||{},this.threshold=e.threshold||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=r.length;for(var o=0,u=r.length;o<u;o+=4)r[o+3]=i+255*(s-o)/s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold})}}),t.Image.filters.GradientTransparency.fromObject=function(e){return new t.Image.filters.GradientTransparency(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Grayscale=t.util.createClass(t.Image.filters.BaseFilter,{type:"Grayscale",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.width*n.height*4,s=0,o;while(s<i)o=(r[s]+r[s+1]+r[s+2])/3,r[s]=o,r[s+1]=o,r[s+2]=o,s+=4;t.putImageData(n,0,0)}}),t.Image.filters.Grayscale.fromObject=function(){return new t.Image.filters.Grayscale}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Invert=t.util.createClass(t.Image.filters.BaseFilter,{type:"Invert",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s;for(s=0;s<i;s+=4)r[s]=255-r[s],r[s+1]=255-r[s+1],r[s+2]=255-r[s+2];t.putImageData(n,0,0)}}),t.Image.filters.Invert.fromObject=function(){return new t.Image.filters.Invert}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Mask=t.util.createClass(t.Image.filters.BaseFilter,{type:"Mask",initialize:function(e){e=e||{},this.mask=e.mask,this.channel=[0,1,2,3].indexOf(e.channel)>-1?e.channel:0},applyTo:function(e){if(!this.mask)return;var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=this.mask.getElement(),o=t.util.createCanvasElement(),u=this.channel,a,f=r.width*r.height*4;o.width=s.width,o.height=s.height,o.getContext("2d").drawImage(s,0,0,s.width,s.height);var l=o.getContext("2d").getImageData(0,0,s.width,s.height),c=l.data;for(a=0;a<f;a+=4)i[a+3]=c[a+u];n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}}),t.Image.filters.Mask.fromObject=function(e,n){t.util.loadImage(e.mask.src,function(r){e.mask=new t.Image(r,e.mask),n&&n(new t.Image.filters.Mask(e))})},t.Image.filters.Mask.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Noise=t.util.createClass(t.Image.filters.BaseFilter,{type:"Noise",initialize:function(e){e=e||{},this.noise=e.noise||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.noise,s;for(var o=0,u=r.length;o<u;o+=4)s=(.5-Math.random())*i,r[o]+=s,r[o+1]+=s,r[o+2]+=s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{noise:this.noise})}}),t.Image.filters.Noise.fromObject=function(e){return new t.Image.filters.Noise(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Pixelate=t.util.createClass(t.Image.filters.BaseFilter,{type:"Pixelate",initialize:function(e){e=e||{},this.blocksize=e.blocksize||4},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.height,s=n.width,o,u,a,f,l,c,h;for(u=0;u<i;u+=this.blocksize)for(a=0;a<s;a+=this.blocksize){o=u*4*s+a*4,f=r[o],l=r[o+1],c=r[o+2],h=r[o+3];for(var p=u,d=u+this.blocksize;p<d;p++)for(var v=a,m=a+this.blocksize;v<m;v++)o=p*4*s+v*4,r[o]=f,r[o+1]=l,r[o+2]=c,r[o+3]=h}t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{blocksize:this.blocksize})}}),t.Image.filters.Pixelate.fromObject=function(e){return new t.Image.filters.Pixelate(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.RemoveWhite=t.util.createClass(t.Image.filters.BaseFilter,{type:"RemoveWhite",initialize:function(e){e=e||{},this.threshold=e.threshold||30,this.distance=e.distance||20},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=this.distance,o=255-i,u=Math.abs,a,f,l;for(var c=0,h=r.length;c<h;c+=4)a=r[c],f=r[c+1],l=r[c+2],a>o&&f>o&&l>o&&u(a-f)<s&&u(a-l)<s&&u(f-l)<s&&(r[c+3]=1);t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}}),t.Image.filters.RemoveWhite.fromObject=function(e){return new t.Image.filters.RemoveWhite(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o;for(s=0;s<i;s+=4)o=.3*r[s]+.59*r[s+1]+.11*r[s+2],r[s]=o+100,r[s+1]=o+50,r[s+2]=o+255;t.putImageData(n,0,0)}}),t.Image.filters.Sepia.fromObject=function(){return new t.Image.filters.Sepia}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia2=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia2",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o,u,a;for(s=0;s<i;s+=4)o=r[s],u=r[s+1],a=r[s+2],r[s]=(o*.393+u*.769+a*.189)/1.351,r[s+1]=(o*.349+u*.686+a*.168)/1.203,r[s+2]=(o*.272+u*.534+a*.131)/2.14;t.putImageData(n,0,0)}}),t.Image.filters.Sepia2.fromObject=function(){return new t.Image.filters.Sepia2}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Tint=t.util.createClass(t.Image.filters.BaseFilter,{type:"Tint",initialize:function(e){e=e||{},this.color=e.color||"#000000",this.opacity=typeof e.opacity!="undefined"?e.opacity:(new t.Color(this.color)).getAlpha()},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=i.length,o,u,a,f,l,c,h,p,d;d=(new t.Color(this.color)).getSource(),u=d[0]*this.opacity,a=d[1]*this.opacity,f=d[2]*this.opacity,p=1-this.opacity;for(o=0;o<s;o+=4)l=i[o],c=i[o+1],h=i[o+2],i[o]=u+l*p,i[o+1]=a+c*p,i[o+2]=f+h*p;n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}}),t.Image.filters.Tint.fromObject=function(e){return new t.Image.filters.Tint(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.object.clone,i=t.util.toFixed,s=t.StaticCanvas.supports("setLineDash");if(t.Text){t.warn("fabric.Text is already defined");return}var o=t.Object.prototype.stateProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","useNative","path"),t.Text=t.util.createClass(t.Object,{_dimensionAffectingProps:{fontSize:!0,fontWeight:!0,fontFamily:!0,textDecoration:!0,fontStyle:!0,lineHeight:!0,stroke:!0,strokeWidth:!0,text:!0},_reNewline:/\r?\n/,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.3,textBackgroundColor:"",path:null,useNative:!0,stateProperties:o,stroke:null,shadow:null,initialize:function(e,t){t=t||{},this.text=e,this.__skipDimension=!0,this.setOptions(t),this.__skipDimension=!1,this._initDimensions(),this.setCoords()},_initDimensions:function(){if(this.__skipDimension)return;var e=t.util.createCanvasElement();this._render(e.getContext("2d"))},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_render:function(e){var t=this.group&&this.group.type!=="group";t&&!this.transformMatrix?e.translate(-this.group.width/2+this.left,-this.group.height/2+this.top):t&&this.transformMatrix&&e.translate(-this.group.width/2,-this.group.height/2),typeof Cufon=="undefined"||this.useNative===!0?this._renderViaNative(e):this._renderViaCufon(e)},_renderViaNative:function(e){var n=this.text.split(this._reNewline);this.transform(e,t.isLikelyNode),this._setTextStyles(e),this.width=this._getTextWidth(e,n),this.height=this._getTextHeight(e,n),this.clipTo&&t.util.clipContext(this,e),this._renderTextBackground(e,n),this._translateForTextAlign(e),this._renderText(e,n),this.textAlign!=="left"&&this.textAlign!=="justify"&&e.restore(),this._renderTextDecoration(e,n),this.clipTo&&e.restore(),this._setBoundaries(e,n),this._totalLineHeight=0},_renderText:function(e,t){e.save(),this._setShadow(e),this._renderTextFill(e,t),this._renderTextStroke(e,t),this._removeShadow(e),e.restore()},_translateForTextAlign:function(e){this.textAlign!=="left"&&this.textAlign!=="justify"&&(e.save(),e.translate(this.textAlign==="center"?this.width/2:this.width,0))},_setBoundaries:function(e,t){this._boundaries=[];for(var n=0,r=t.length;n<r;n++){var i=this._getLineWidth(e,t[n]),s=this._getLineLeftOffset(i);this._boundaries.push({height:this.fontSize*this.lineHeight,width:i,left:s})}},_setTextStyles:function(e){this._setFillStyles(e),this._setStrokeStyles(e),e.textBaseline="alphabetic",this.skipTextAlign||(e.textAlign=this.textAlign),e.font=this._getFontDeclaration()},_getTextHeight:function(e,t){return this.fontSize*t.length*this.lineHeight},_getTextWidth:function(e,t){var n=e.measureText(t[0]||"|").width;for(var r=1,i=t.length;r<i;r++){var s=e.measureText(t[r]).width;s>n&&(n=s)}return n},_renderChars:function(e,t,n,r,i){t[e](n,r,i)},_renderTextLine:function(e,t,n,r,i,s){i-=this.fontSize/4;if(this.textAlign!=="justify"){this._renderChars(e,t,n,r,i,s);return}var o=t.measureText(n).width,u=this.width;if(u>o){var a=n.split(/\s+/),f=t.measureText(n.replace(/\s+/g,"")).width,l=u-f,c=a.length-1,h=l/c,p=0;for(var d=0,v=a.length;d<v;d++)this._renderChars(e,t,a[d],r+p,i,s),p+=t.measureText(a[d]).width+h}else this._renderChars(e,t,n,r,i,s)},_getLeftOffset:function(){return t.isLikelyNode?0:-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextFill:function(e,t){if(!this.fill&&!this.skipFillStrokeCheck)return;this._boundaries=[];var n=0;for(var r=0,i=t.length;r<i;r++){var s=this._getHeightOfLine(e,r,t);n+=s,this._renderTextLine("fillText",e,t[r],this._getLeftOffset(),this._getTopOffset()+n,r)}},_renderTextStroke:function(e,t){if(!this.stroke&&!this.skipFillStrokeCheck)return;var n=0;e.save(),this.strokeDashArray&&(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),s&&e.setLineDash(this.strokeDashArray)),e.beginPath();for(var r=0,i=t.length;r<i;r++){var o=this._getHeightOfLine(e,r,t);n+=o,this._renderTextLine("strokeText",e,t[r],this._getLeftOffset(),this._getTopOffset()+n,r)}e.closePath(),e.restore()},_getHeightOfLine:function(){return this.fontSize*this.lineHeight},_renderTextBackground:function(e,t){this._renderTextBoxBackground(e),this._renderTextLinesBackground(e,t)},_renderTextBoxBackground:function(e){if(!this.backgroundColor)return;e.save(),e.fillStyle=this.backgroundColor,e.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),e.restore()},_renderTextLinesBackground:function(e,t){if(!this.textBackgroundColor)return;e.save(),e.fillStyle=this.textBackgroundColor;for(var n=0,r=t.length;n<r;n++)if(t[n]!==""){var i=this._getLineWidth(e,t[n]),s=this._getLineLeftOffset(i);e.fillRect(this._getLeftOffset()+s,this._getTopOffset()+n*this.fontSize*this.lineHeight,i,this.fontSize*this.lineHeight)}e.restore()},_getLineLeftOffset:function(e){return this.textAlign==="center"?(this.width-e)/2:this.textAlign==="right"?this.width-e:0},_getLineWidth:function(e,t){return this.textAlign==="justify"?this.width:e.measureText(t).width},_renderTextDecoration:function(e,t){function i(i){for(var s=0,o=t.length;s<o;s++){var u=r._getLineWidth(e,t[s]),a=r._getLineLeftOffset(u);e.fillRect(r._getLeftOffset()+a,~~(i+s*r._getHeightOfLine(e,s,t)-n),u,1)}}if(!this.textDecoration)return;var n=this._getTextHeight(e,t)/2,r=this;this.textDecoration.indexOf("underline")>-1&&i(this.fontSize*this.lineHeight),this.textDecoration.indexOf("line-through")>-1&&i(this.fontSize*this.lineHeight-this.fontSize/2),this.textDecoration.indexOf("overline")>-1&&i(this.fontSize*this.lineHeight-this.fontSize)},_getFontDeclaration:function(){return[t.isLikelyNode?this.fontWeight:this.fontStyle,t.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",t.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(e,t){if(!this.visible)return;e.save(),this._render(e),!t&&this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore()},toObject:function(e){var t=n(this.callSuper("toObject",e),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,path:this.path,textBackgroundColor:this.textBackgroundColor,useNative:this.useNative});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=[],n=this.text.split(this._reNewline),r=this._getSVGLeftTopOffsets(n),i=this._getSVGTextAndBg(r.lineTop,r.textLeft,n),s=this._getSVGShadows(r.lineTop,n);return r.textTop+=this._fontAscent?this._fontAscent/5*this.lineHeight:0,this._wrapSVGTextAndBg(t,i,s,r),e?e(t.join("")):t.join("")},_getSVGLeftTopOffsets:function(e){var t=this.useNative?this.fontSize*this.lineHeight:-this._fontAscent-this._fontAscent/5*this.lineHeight,n=-(this.width/2),r=this.useNative?this.fontSize-1:this.height/2-e.length*this.fontSize-this._totalLineHeight;return{textLeft:n,textTop:r,lineTop:t}},_wrapSVGTextAndBg:function(e,t,n,r){e.push('<g transform="',this.getSvgTransform(),'">',t.textBgRects.join(""),"<text ",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(),'" ','transform="translate(',i(r.textLeft,2)," ",i(r.textTop,2),')">',n.join(""),t.textSpans.join(""),"</text>","</g>")},_getSVGShadows:function(e,n){var r=[],s,o,u=1;if(!this.shadow||!this._boundaries)return r;for(s=0,o=n.length;s<o;s++)if(n[s]!==""){var a=this._boundaries&&this._boundaries[s]?this._boundaries[s].left:0;r.push('<tspan x="',i(a+u+this.shadow.offsetX,2),s===0||this.useNative?'" y':'" dy','="',i(this.useNative?e*s-this.height/2+this.shadow.offsetY:e+(s===0?this.shadow.offsetY:0),2),'" ',this._getFillAttributes(this.shadow.color),">",t.util.string.escapeXml(n[s]),"</tspan>"),u=1}else u++;return r},_getSVGTextAndBg:function(e,t,n){var r=[],i=[],s=1;this._setSVGBg(i);for(var o=0,u=n.length;o<u;o++){n[o]!==""?(this._setSVGTextLineText(n[o],o,r,e,s,i),s=1):s++;if(!this.textBackgroundColor||!this._boundaries)continue;this._setSVGTextLineBg(i,o,t,e)}return{textSpans:r,textBgRects:i}},_setSVGTextLineText:function(e,n,r,s,o){var u=this._boundaries&&this._boundaries[n]?i(this._boundaries[n].left,2):0;r.push('<tspan x="',u,'" ',n===0||this.useNative?"y":"dy",'="',i(this.useNative?s*n-this.height/2:s*o,2),'" ',this._getFillAttributes(this.fill),">",t.util.string.escapeXml(e),"</tspan>")},_setSVGTextLineBg:function(e,t,n,r){e.push("<rect ",this._getFillAttributes(this.textBackgroundColor),' x="',i(n+this._boundaries[t].left,2),'" y="',i(r*t-this.height/2,2),'" width="',i(this._boundaries[t].width,2),'" height="',i(this._boundaries[t].height,2),'"></rect>')},_setSVGBg:function(e){this.backgroundColor&&this._boundaries&&e.push("<rect ",this._getFillAttributes(this.backgroundColor),' x="',i(-this.width/2,2),'" y="',i(-this.height/2,2),'" width="',i(this.width,2),'" height="',i(this.height,2),'"></rect>')},_getFillAttributes:function(e){var n=e&&typeof e=="string"?new t.Color(e):"";return!n||!n.getSource()||n.getAlpha()===1?'fill="'+e+'"':'opacity="'+n.getAlpha()+'" fill="'+n.setAlpha(1).toRgb()+'"'},_set:function(e,t){e==="fontFamily"&&this.path&&(this.path=this.path.replace(/(.*?)([^\/]*)(\.font\.js)/,"$1"+t+"$3")),this.callSuper("_set",e,t),e in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),t.Text.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y font-family font-style font-weight font-size text-decoration".split(" ")),t.Text.fromElement=function(e,n){if(!e)return null;var r=t.parseAttributes(e,t.Text.ATTRIBUTE_NAMES);n=t.util.object.extend(n?t.util.object.clone(n):{},r);var i=new t.Text(e.textContent,n);return i.set({left:i.getLeft()+i.getWidth()/2,top:i.getTop()-i.getHeight()/2}),i},t.Text.fromObject=function(e){return new t.Text(e.text,r(e))},t.util.createAccessors(t.Text)}(typeof exports!="undefined"?exports:this),fabric.util.object.extend(fabric.Text.prototype,{_renderViaCufon:function(e){var t=Cufon.textOptions||(Cufon.textOptions={});t.left=this.left,t.top=this.top,t.context=e,t.color=this.fill;var n=this._initDummyElementForCufon();this.transform(e),Cufon.replaceElement(n,{engine:"canvas",separate:"none",fontFamily:this.fontFamily,fontWeight:this.fontWeight,textDecoration:this.textDecoration,textShadow:this.shadow&&this.shadow.toString(),textAlign:this.textAlign,fontStyle:this.fontStyle,lineHeight:this.lineHeight,stroke:this.stroke,strokeWidth:this.strokeWidth,backgroundColor:this.backgroundColor,textBackgroundColor:this.textBackgroundColor}),this.width=t.width,this.height=t.height,this._totalLineHeight=t.totalLineHeight,this._fontAscent=t.fontAscent,this._boundaries=t.boundaries,n=null,this.setCoords()},_initDummyElementForCufon:function(){var e=fabric.document.createElement("pre"),t=fabric.document.createElement("div");return t.appendChild(e),typeof G_vmlCanvasManager=="undefined"?e.innerHTML=this.text:e.innerText=this.text.replace(/\r?\n/gi,"\r"),e.style.fontSize=this.fontSize+"px",e.style.letterSpacing="normal",e}}),function(){var e=fabric.util.object.clone,t=fabric.util.toFixed;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,styles:null,skipFillStrokeCheck:!0,_reSpace:/\s|\n/,_fontSizeFraction:4,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,_charWidthsCache:{},initialize:function(e,t){this.styles=t.styles||{},this.callSuper("initialize",e,t),this.initBehavior(),fabric.IText.instances.push(this)},isEmptyStyles:function(){if(!this.styles)return!0;var e=this.styles;for(var t in e)for(var n in e[t])for(var r in e[t][n])return!1;return!0},setSelectionStart:function(e){this.selectionStart=e,this.hiddenTextarea&&(this.hiddenTextarea.selectionStart=e)},setSelectionEnd:function(e){this.selectionEnd=e,this.hiddenTextarea&&(this.hiddenTextarea.selectionEnd=e)},getSelectionStyles:function(){var e=this.get2DCursorLocation();return this.styles[e.lineIndex]?this.styles[e.lineIndex][e.charIndex]||{}:{}},setSelectionStyles:function(e){if(this.selectionStart===this.selectionEnd)this._extendStyles(this.selectionStart,e);else for(var t=this.selectionStart;t<this.selectionEnd;t++)this._extendStyles(t,e);return this},_extendStyles:function(e,t){var n=this.get2DCursorLocation(e);this.styles[n.lineIndex]||(this.styles[n.lineIndex]={}),this.styles[n.lineIndex][n.charIndex]||(this.styles[n.lineIndex][n.charIndex]={}),fabric.util.object.extend(this.styles[n.lineIndex][n.charIndex],t)},_render:function(e){this.callSuper("_render",e),this.isEditing&&this.renderCursorOrSelection(e),this.ctx=e},renderCursorOrSelection:function(e){if(!this.active)return;var t=this.text.split(""),n;this.selectionStart===this.selectionEnd?(n=this.getCursorBoundaries(e,t,"cursor"),this.renderCursor(e,n)):(n=this.getCursorBoundaries(e,t,"selection"),this.renderSelection(e,t,n))},get2DCursorLocation:function(e){typeof e=="undefined"&&(e=this.selectionStart);var t=this.text.slice(0,e),n=t.split(this._reNewline);return{lineIndex:n.length-1,charIndex:n[n.length-1].length}},getCurrentCharFontSize:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fontSize||this.fontSize},getCurrentCharColor:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fill||this.cursorColor},getCursorBoundaries:function(e,t,n){var r=this.get2DCursorLocation(),i=0,s=0,o=this.text.split(this._reNewline),u,a,f={},l={},c={},h=Math.round(this._getLeftOffset()),p=-this.height/2,d=0,v=n==="cursor"?this._getHeightOfLine(e,0)-this.getCurrentCharFontSize(r.lineIndex,r.charIndex):0;for(var m=0;m<this.selectionStart;m++){if(t[m]==="\n"){d=0;var g=i+(n==="cursor"?1:0);v+=l[g]||(l[g]=this._getHeightOfLine(e,g)),i++,s=0}else d+=this._getWidthOfChar(e,t[m],i,s),s++;u=f[i]||(f[i]=this._getWidthOfLine(e,i,o)),a=c[i]||(c[i]=this._getLineLeftOffset(u))}return f=l=c=null,{left:h,top:p,leftOffset:d+(a||0),topOffset:v}},renderCursor:function(e,t){e.save();var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex;e.fillStyle=this.getCurrentCharColor(r,i),e.globalAlpha=this._currentCursorOpacity;var s=this.getCurrentCharFontSize(r,i);e.fillRect(t.left+t.leftOffset,t.top+t.topOffset,this.cursorWidth,s),e.restore()},renderSelection:function(e,t,n){e.save(),e.fillStyle=this.selectionColor;var r=this.get2DCursorLocation(),i=r.lineIndex,s=r.charIndex,o=this.text.split(this._reNewline),u=i;for(var a=this.selectionStart;a<this.selectionEnd;a++)if(t[a]==="\n")n.leftOffset=0,n.topOffset+=this._getHeightOfLine(e,i),i++,s=0;else if(a!==this.text.length){var f=this._getWidthOfChar(e,t[a],i,s),l=this._getLineLeftOffset(this._getWidthOfLine(e,i,o))||0;i===u&&(l=0),e.fillRect(n.left+n.leftOffset+l,n.top+n.topOffset,f,this._getHeightOfLine(e,i)),n.leftOffset+=f,s++}e.restore()},_renderChars:function(e,t,n,r,i,s){if(this.isEmptyStyles())return this._renderCharsFast(e,t,n,r,i);this.skipTextAlign=!0,r-=this.textAlign==="center"?this.width/2:this.textAlign==="right"?this.width:0;var o=this.text.split(this._reNewline),u=this._getWidthOfLine(t,s,o),a=this._getHeightOfLine(t,s,o),f=this._getLineLeftOffset(u),l=n.split("");r+=f||0,t.save();for(var c=0,h=l.length;c<h;c++)this._renderChar(e,t,s,c,l[c],r,i,a);t.restore()},_renderCharsFast:function(e,t,n,r,i){this.skipTextAlign=!1,e==="fillText"&&this.fill&&this.callSuper("_renderChars",e,t,n,r,i),e==="strokeText"&&this.stroke&&this.callSuper("_renderChars",e,t,n,r,i)},_renderChar:function(e,t,n,r,i,s,o,u){var a,f;if(this.styles&&this.styles[n]&&(a=this.styles[n][r])){var l=a.stroke||this.stroke,c=a.fill||this.fill;t.save(),f=this._applyCharStylesGetWidth(t,i,n,r,a),c&&t.fillText(i,s,o),l&&t.strokeText(i,s,o),this._renderCharDecoration(t,a,s,o,f,u),t.restore(),t.translate(f,0)}else e==="strokeText"&&this.stroke&&t[e](i,s,o),e==="fillText"&&this.fill&&t[e](i,s,o),f=this._applyCharStylesGetWidth(t,i,n,r),this._renderCharDecoration(t,null,s,o,f,u),t.translate(t.measureText(i).width,0)},_renderCharDecoration:function(e,t,n,r,i,s){var o=t?t.textDecoration||this.textDecoration:this.textDecoration;if(!o)return;o.indexOf("underline")>-1&&this._renderCharDecorationAtOffset(e,n,r+this.fontSize/this._fontSizeFraction,i,0),o.indexOf("line-through")>-1&&this._renderCharDecorationAtOffset(e,n,r+this.fontSize/this._fontSizeFraction,i,s/this._fontSizeFraction),o.indexOf("overline")>-1&&this._renderCharDecorationAtOffset(e,n,r,i,s-this.fontSize/this._fontSizeFraction)},_renderCharDecorationAtOffset:function(e,t,n,r,i){e.fillRect(t,n-i,r,1)},_renderTextLine:function(e,t,n,r,i,s){i+=this.fontSize/4,this.callSuper("_renderTextLine",e,t,n,r,i,s)},_renderTextDecoration:function(e,t){if(this.isEmptyStyles())return this.callSuper("_renderTextDecoration",e,t)},_renderTextLinesBackground:function(e,t){if(!this.textBackgroundColor&&!this.styles)return;e.save(),this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor);var n=0,r=this.fontSize/this._fontSizeFraction;for(var i=0,s=t.length;i<s;i++){var o=this._getHeightOfLine(e,i,t);if(t[i]===""){n+=o;continue}var u=this._getWidthOfLine(e,i,t),a=this._getLineLeftOffset(u);this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor,e.fillRect(this._getLeftOffset()+a,this._getTopOffset()+n+r,u,o));if(this.styles[i])for(var f=0,l=t[i].length;f<l;f++)if(this.styles[i]&&this.styles[i][f]&&this.styles[i][f].textBackgroundColor){var c=t[i][f];e.fillStyle=this.styles[i][f].textBackgroundColor,e.fillRect(this._getLeftOffset()+a+this._getWidthOfCharsAt(e,i,f,t),this._getTopOffset()+n+r,this._getWidthOfChar(e,c,i,f,t)+1,o)}n+=o}e.restore()},_getCacheProp:function(e,t){return e+t.fontFamily+
-t.fontSize+t.fontWeight+t.fontStyle+t.shadow},_applyCharStylesGetWidth:function(t,n,r,i,s){var o=s||this.styles[r]&&this.styles[r][i];o?o=e(o):o={},this._applyFontStyles(o);var u=this._getCacheProp(n,o);if(this.isEmptyStyles()&&this._charWidthsCache[u])return this._charWidthsCache[u];typeof o.shadow=="string"&&(o.shadow=new fabric.Shadow(o.shadow));var a=o.fill||this.fill;return t.fillStyle=a.toLive?a.toLive(t):a,o.stroke&&(t.strokeStyle=o.stroke&&o.stroke.toLive?o.stroke.toLive(t):o.stroke),t.lineWidth=o.strokeWidth||this.strokeWidth,t.font=this._getFontDeclaration.call(o),this._setShadow.call(o,t),this._charWidthsCache[u]||(this._charWidthsCache[u]=t.measureText(n).width),this._charWidthsCache[u]},_applyFontStyles:function(e){e.fontFamily||(e.fontFamily=this.fontFamily),e.fontSize||(e.fontSize=this.fontSize),e.fontWeight||(e.fontWeight=this.fontWeight),e.fontStyle||(e.fontStyle=this.fontStyle)},_getWidthOfChar:function(e,t,n,r){e.save();var i=this._applyCharStylesGetWidth(e,t,n,r);return e.restore(),i},_getHeightOfChar:function(e,t,n,r){return this.styles[n]&&this.styles[n][r]?this.styles[n][r].fontSize||this.fontSize:this.fontSize},_getWidthOfCharAt:function(e,t,n,r){r=r||this.text.split(this._reNewline);var i=r[t].split("")[n];return this._getWidthOfChar(e,i,t,n)},_getHeightOfCharAt:function(e,t,n,r){r=r||this.text.split(this._reNewline);var i=r[t].split("")[n];return this._getHeightOfChar(e,i,t,n)},_getWidthOfCharsAt:function(e,t,n,r){var i=0;for(var s=0;s<n;s++)i+=this._getWidthOfCharAt(e,t,s,r);return i},_getWidthOfLine:function(e,t,n){return this._getWidthOfCharsAt(e,t,n[t].length,n)},_getTextWidth:function(e,t){if(this.isEmptyStyles())return this.callSuper("_getTextWidth",e,t);var n=this._getWidthOfLine(e,0,t);for(var r=1,i=t.length;r<i;r++){var s=this._getWidthOfLine(e,r,t);s>n&&(n=s)}return n},_getHeightOfLine:function(e,t,n){n=n||this.text.split(this._reNewline);var r=this._getHeightOfChar(e,n[t][0],t,0),i=n[t],s=i.split("");for(var o=1,u=s.length;o<u;o++){var a=this._getHeightOfChar(e,s[o],t,o);a>r&&(r=a)}return r*this.lineHeight},_getTextHeight:function(e,t){var n=0;for(var r=0,i=t.length;r<i;r++)n+=this._getHeightOfLine(e,r,t);return n},_getTopOffset:function(){var e=fabric.Text.prototype._getTopOffset.call(this);return e-this.fontSize/this._fontSizeFraction},toObject:function(t){return fabric.util.object.extend(this.callSuper("toObject",t),{styles:e(this.styles)})},_setSVGTextLineText:function(e,t,n,r,i,s){this.styles[t]?this._setSVGTextLineChars(e,t,n,r,i,s):this.callSuper("_setSVGTextLineText",e,t,n,r,i)},_setSVGTextLineChars:function(e,n,r,i,s,o){var u=n===0||this.useNative?"y":"dy",a=e.split(""),f=0,l=this._boundaries&&this._boundaries[n]?t(this._boundaries[n].left,2):0,c=this._getHeightOfLine(this.ctx,n),h=0;for(var p=0;p<=n;p++)h+=this._getHeightOfLine(this.ctx,p);h-=this.height/2;for(var d=0,v=a.length;d<v;d++){var m=this.styles[n][d]||{},g=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text"},m));r.push('<tspan x="',l+f,'" ',u,'="',h,'" ',m.fontFamily?'font-family="'+m.fontFamily.replace(/"/g,"'")+'" ':"",m.fontSize?'font-size="'+m.fontSize+'" ':"",m.fontStyle?'font-style="'+m.fontStyle+'" ':"",m.fontWeight?'font-weight="'+m.fontWeight+'" ':"",m.textDecoration?'text-decoration="'+m.textDecoration+'" ':"",'style="',g,'">',fabric.util.string.escapeXml(a[d]),"</tspan>");var y=this._getWidthOfChar(this.ctx,a[d],n,d);m.textBackgroundColor&&o.push('<rect fill="',m.textBackgroundColor,'" transform="translate(',-this.width/2," ",-this.height+c,")",'" x="',l+f,'" y="',h+c,'" width="',y,'" height="',c,'"></rect>'),f+=y}}}),fabric.IText.fromObject=function(t){return new fabric.IText(t.text,e(t))},fabric.IText.instances=[]}(),function(){var e=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initKeyHandlers(),this.initCursorSelectionHandlers(),this.initDblClickSimulation(),this.initHiddenTextarea()},initKeyHandlers:function(){fabric.util.addListener(document,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(document,"keypress",this.onKeyPress.bind(this))},initHiddenTextarea:function(){if(!/(iPad|iPhone|iPod)/g.test(navigator.userAgent))return;this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.style.cssText="position: absolute; top: 0; left: -9999px",fabric.document.body.appendChild(this.hiddenTextarea)},initDblClickSimulation:function(){var e=+(new Date),t,n={},r;this.on("mousedown",function(i){var s=i.e;t=+(new Date),r=this.canvas.getPointer(s);var o=t-e<500&&n.x===r.x&&n.y===r.y;o&&(this.fire("dblclick",i),s.preventDefault&&s.preventDefault(),s.stopPropagation&&s.stopPropagation()),e=t,n=r})},initCursorSelectionHandlers:function(){this.initSelectedHandler(),this.initMousedownHandler(),this.initMousemoveHandler(),this.initMouseupHandler(),this.on("dblclick",function(e){this.selectWord(this.getSelectionStartFromPointer(e.e))})},initMousedownHandler:function(){this.on("mousedown",function(e){var t=this.canvas.getPointer(e.e);this.__mousedownX=t.x,this.__mousedownY=t.y,this.__isMousedown=!0,this.hiddenTextarea&&this.canvas&&this.canvas.wrapperEl.appendChild(this.hiddenTextarea),this.isEditing&&this.setCursorByClick(e.e)})},initMousemoveHandler:function(){this.on("mousemove",function(){this.__isMousedown&&this.isEditing&&console.log("mousemove: need to select text")})},initMouseupHandler:function(){this.on("mouseup",function(e){this.__isMousedown=!1;var t=this.canvas.getPointer(e.e),n=this.__mousedownX!==t.x||this.__mousedownY!==t.y;if(n)return;this.selected&&this.enterEditing()})},initSelectedHandler:function(){this.on("selected",function(){var e=this;setTimeout(function(){e.selected=!0},100),this._hasClearSelectionListener||(this.canvas.on("selection:cleared",function(t){if(t.e&&e.canvas.containsPoint(t.e,e))return;e.exitEditing()}),this._hasClearSelectionListener=!0)})},_tick:function(){var e=this;if(this._abortCursorAnimation)return;this.animate("_currentCursorOpacity",1,{duration:this.cursorDuration,onComplete:function(){e._onTickComplete()},onChange:function(){e.canvas&&e.canvas.renderAll()},abort:function(){return e._abortCursorAnimation}})},_onTickComplete:function(){if(this._abortCursorAnimation)return;var e=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){e.animate("_currentCursorOpacity",0,{duration:this.cursorDuration/2,onComplete:function(){e._tick()},onChange:function(){e.canvas&&e.canvas.renderAll()},abort:function(){return e._abortCursorAnimation}})},100)},initDelayedCursor:function(){var e=this;this._cursorTimeout2&&clearTimeout(this._cursorTimeout2),this._cursorTimeout2=setTimeout(function(){e._abortCursorAnimation=!1,e._tick()},this.cursorDelay)},abortCursorAnimation:function(){this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,this.canvas&&this.canvas.renderAll();var e=this;setTimeout(function(){e._abortCursorAnimation=!1},10)},_keysMap:{8:"removeChars",13:"insertNewline",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},_ctrlKeysMap:{65:"selectAll",67:"copy",86:"paste",88:"cut"},onKeyDown:function(e){if(!this.isEditing||e.ctrlKey)return;if(e.keyCode in this._keysMap)this[this._keysMap[e.keyCode]](e);else{if(!(e.keyCode in this._ctrlKeysMap&&(e.ctrlKey||e.metaKey)))return;this[this._ctrlKeysMap[e.keyCode]](e)}e.preventDefault(),e.stopPropagation(),this.canvas&&this.canvas.renderAll()},forwardDelete:function(e){this.moveCursorRight(e),this.removeChars(e)},copy:function(){var e=this.getSelectedText();this.copiedText=e},paste:function(){this.copiedText&&this.insertChars(this.copiedText)},cut:function(e){this.copy(),this.removeChars(e)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this.text.length},getSelectedText:function(){return this.text.slice(this.selectionStart,this.selectionEnd)},onKeyPress:function(e){if(!this.isEditing||e.metaKey||e.ctrlKey||e.keyCode===8||e.keyCode===13)return;this.insertChars(String.fromCharCode(e.which)),e.preventDefault(),e.stopPropagation()},getDownCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r=this.text.split(this._reNewline),i,s,o,u=this.text.slice(0,n),a=this.text.slice(n),f=u.slice(u.lastIndexOf("\n")+1),l=a.match(/(.*)\n?/)[1],c=(a.match(/.*\n(.*)\n?/)||{})[1]||"",h=this.get2DCursorLocation(n);if(h.lineIndex===r.length-1||e.metaKey)return this.text.length-n;var p=this._getWidthOfLine(this.ctx,h.lineIndex,r);s=this._getLineLeftOffset(p);var d=s,v=h.lineIndex;for(var m=0,g=f.length;m<g;m++)i=f[m],d+=this._getWidthOfChar(this.ctx,i,v,m);var y=this._getWidthOfLine(this.ctx,h.lineIndex+1,r);s=this._getLineLeftOffset(y);var b=s,w=0;v=h.lineIndex+1;for(var E=0,S=c.length;E<S;E++){i=c[E];var x=this._getWidthOfChar(this.ctx,i,v,E);b+=x;if(b>d){o=!0;var T=b-x,N=b,C=Math.abs(T-d),k=Math.abs(N-d);w=k<C?E+1:E;break}}return o||(w=c.length),l.length+1+w},moveCursorDown:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getDownCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorDownWithShift(t):this.moveCursorDownWithoutShift(t),this.initDelayedCursor()},moveCursorDownWithoutShift:function(e){this._selectionDirection="right",this.selectionStart+=e,this.selectionStart>this.text.length&&(this.selectionStart=this.text.length),this.selectionEnd=this.selectionStart},moveCursorDownWithShift:function(e){if(this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd){this.selectionStart+=e,this._selectionDirection="left";return}this._selectionDirection="right",this.selectionEnd+=e,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length)},getUpCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r=this.get2DCursorLocation(n);if(r.lineIndex===0||e.metaKey)return n;var i=this.text.slice(0,n),s=i.slice(i.lastIndexOf("\n")+1),o=(i.match(/\n?(.*)\n.*$/)||{})[1]||"",u=this.text.split(this._reNewline),a,f,l,c=this._getWidthOfLine(this.ctx,r.lineIndex,u);f=this._getLineLeftOffset(c);var h=f,p=r.lineIndex;for(var d=0,v=s.length;d<v;d++)a=s[d],h+=this._getWidthOfChar(this.ctx,a,p,d);var m=this._getWidthOfLine(this.ctx,r.lineIndex-1,u);f=this._getLineLeftOffset(m);var g=f,y=0;p=r.lineIndex-1;for(var b=0,w=o.length;b<w;b++){a=o[b];var E=this._getWidthOfChar(this.ctx,a,p,b);g+=E;if(g>h){l=!0;var S=g-E,x=g,T=Math.abs(S-h),N=Math.abs(x-h);y=N<T?b:b-1;break}}return l||(y=o.length-1),o.length-y+s.length},moveCursorUp:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getUpCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorUpWithShift(t):this.moveCursorUpWithoutShift(t),this.initDelayedCursor()},moveCursorUpWithShift:function(e){if(this.selectionStart===this.selectionEnd)this.selectionStart-=e;else{if(this._selectionDirection==="right"){this.selectionEnd-=e,this._selectionDirection="right";return}this.selectionStart-=e}this.selectionStart<0&&(this.selectionStart=0),this._selectionDirection="left"},moveCursorUpWithoutShift:function(e){this.selectionStart===this.selectionEnd&&(this.selectionStart-=e),this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd=this.selectionStart,this._selectionDirection="left"},moveCursorLeft:function(e){if(this.selectionStart===0&&this.selectionEnd===0)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorLeftWithShift(e):this.moveCursorLeftWithoutShift(e),this.initDelayedCursor()},findWordBoundaryLeft:function(e){var t=0,n=e-1;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n--;while(/\S/.test(this.text.charAt(n))&&n>-1)t++,n--;return e-t},findWordBoundaryRight:function(e){var t=0,n=e;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n++;while(/\S/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},findLineBoundaryLeft:function(e){var t=0,n=e-1;while(!/\n/.test(this.text.charAt(n))&&n>-1)t++,n--;return e-t},findLineBoundaryRight:function(e){var t=0,n=e;while(!/\n/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},_move:function(e,t,n){e.altKey?this[t]=this["findWordBoundary"+n](this[t]):e.metaKey?this[t]=this["findLineBoundary"+n](this[t]):this[t]+=n==="Left"?-1:1},_moveLeft:function(e,t){this._move(e,t,"Left")},_moveRight:function(e,t){this._move(e,t,"Right")},moveCursorLeftWithoutShift:function(e){this._selectionDirection="left",this.selectionEnd===this.selectionStart&&this._moveLeft(e,"selectionStart"),this.selectionEnd=this.selectionStart},moveCursorLeftWithShift:function(e){this._selectionDirection==="right"&&this.selectionStart!==this.selectionEnd?this._moveLeft(e,"selectionEnd"):(this._selectionDirection="left",this._moveLeft(e,"selectionStart"),this.text.charAt(this.selectionStart)==="\n"&&this.selectionStart--,this.selectionStart<0&&(this.selectionStart=0))},moveCursorRight:function(e){if(this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorRightWithShift(e):this.moveCursorRightWithoutShift(e),this.initDelayedCursor()},moveCursorRightWithShift:function(e){this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd?this._moveRight(e,"selectionStart"):(this._selectionDirection="right",this._moveRight(e,"selectionEnd"),this.text.charAt(this.selectionEnd-1)==="\n"&&this.selectionEnd++,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length))},moveCursorRightWithoutShift:function(e){this._selectionDirection="right",this.selectionStart===this.selectionEnd?(this._moveRight(e,"selectionStart"),this.selectionEnd=this.selectionStart):(this.selectionEnd+=this.getNumNewLinesInSelectedText(),this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length),this.selectionStart=this.selectionEnd)},getNumNewLinesInSelectedText:function(){var e=this.getSelectedText(),t=0;for(var n=0,r=e.split(""),i=r.length;n<i;n++)r[n]==="\n"&&t++;return t},searchWordBoundary:function(e,t){var n=e,r=this.text.charAt(n),i=/[ \n\.,;!\?\-]/;while(!i.test(r)&&n>0&&n<this.text.length)n+=t,r=this.text.charAt(n);return i.test(r)&&r!=="\n"&&(n+=t===1?0:1),n},selectWord:function(e){var t=this.searchWordBoundary(e,-1),n=this.searchWordBoundary(e,1);this.setSelectionStart(t),this.setSelectionEnd(n)},getLocalPointer:function(e){var t=this.canvas.getPointer(e),n=this.translateToOriginPoint(this.getCenterPoint(),"left","top");return{x:t.x-n.x,y:t.y-n.y}},setCursorByClick:function(e){var t=this.getSelectionStartFromPointer(e);this.setSelectionStart(t),this.setSelectionEnd(t)},getSelectionStartFromPointer:function(e){var t=this.getLocalPointer(e),n=t.x,r=t.y,i=this.text.split(this._reNewline),s=0,o=0,u=0,a=0,f;for(var l=0,c=i.length;l<c;l++){u+=this._getHeightOfLine(this.ctx,l)*this.scaleY;var h=this._getWidthOfLine(this.ctx,l,i),p=this._getLineLeftOffset(h);o=p,this.flipX&&(i[l]=i[l].split("").reverse().join(""));for(var d=0,v=i[l].length;d<v;d++){var m=i[l][d];s=o,o+=this._getWidthOfChar(this.ctx,m,l,this.flipX?v-d:d)*this.scaleX;if(u>r&&o>n){var g=n-s,y=o-n;return y>g?f=a+l:f=a+l+1,this.flipX&&(f=v-f),f>this.text.length&&(f=this.text.length),f}a++}}if(typeof f=="undefined")return this.text.length},enterEditing:function(){if(this.isEditing||!this.editable)return;return fabric.IText.instances.forEach(function(e){if(e===this)return;e.exitEditing()},this),this.isEditing=!0,this._updateTextarea(),this._saveProps(),this.hoverCursor="text",this.canvas.defaultCursor="text",this.canvas.moveCursor="text",this.hasControls=!1,this.borderColor=this.editingBorderColor,this.selectable=!1,this.lockMovementX=!0,this.lockMovementY=!0,this._tick(),this.canvas.renderAll(),this},_updateTextarea:function(){if(!this.hiddenTextarea)return;this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart,this.hiddenTextarea.focus()},_saveProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas.defaultCursor,moveCursor:this.canvas.moveCursor}},_restoreProps:function(){if(!this._savedProps)return;this.hoverCursor=this._savedProps.overCursor,this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY},exitEditing:function(){return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.hiddenTextarea&&this.hiddenTextarea.blur(),this.abortCursorAnimation(),this._restoreProps(),this._currentCursorOpacity=0,this},removeChars:function(e){if(this.selectionStart===this.selectionEnd){if(this.selectionStart!==0)if(e.metaKey){var t=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(t,this.selectionStart),this.selectionStart=t}else if(e.altKey){var n=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(n,this.selectionStart),this.selectionStart=n}else{var r=this.text.slice(this.selectionStart-1,this.selectionStart)==="\n";this.removeStyleObject(r),this.selectionStart--,this.text=this.text.slice(0,this.selectionStart)+this.text.slice(this.selectionStart+1)}}else this._removeCharsFromTo(this.selectionStart,this.selectionEnd);this.selectionEnd=this.selectionStart;var i=this.text.split(this._reNewline);for(var s in this.styles)i[s]||delete this.styles[s];this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("text:changed")},_removeCharsFromTo:function(e,t){var n=t;while(n!==e)n--,this.removeStyleObject(!1,n);this.text=this.text.slice(0,e)+this.text.slice(t)},insertChars:function(e){var t=this.text.slice(this.selectionStart,this.selectionStart+1)==="\n";this.text=this.text.slice(0,this.selectionStart)+e+this.text.slice(this.selectionEnd),this.selectionStart===this.selectionEnd?this.insertStyleObject(e,t):this.selectionEnd-this.selectionStart>1,this.selectionStart+=e.length,this.selectionEnd=this.selectionStart,this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("text:changed")},insertNewlineStyleObject:function(t,n,r){this.shiftLineStyles(t,1),this.styles[t+1]||(this.styles[t+1]={});var i=this.styles[t][n-1],s={};if(r)s[0]=e(i),this.styles[t+1]=s;else{for(var o in this.styles[t])parseInt(o,10)>=n&&(s[parseInt(o,10)-n]=this.styles[t][o],delete this.styles[t][o]);this.styles[t+1]=s}},insertCharStyleObject:function(t,n){var r=this.styles[t],i=e(r);n===0&&(n=1);for(var s in i){var o=parseInt(s,10);o>=n&&(r[o+1]=i[o])}this.styles[t][n]=e(r[n-1])},insertStyleObject:function(e,t){if(this.isEmptyStyles())return;var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex;this.styles[r]||(this.styles[r]={}),e==="\n"?this.insertNewlineStyleObject(r,i,t):this.insertCharStyleObject(r,i)},shiftLineStyles:function(t,n){var r=e(this.styles);for(var i in this.styles){var s=parseInt(i,10);s>t&&(this.styles[s+n]=r[s])}},removeStyleObject:function(t,n){var r=this.get2DCursorLocation(n),i=r.lineIndex,s=r.charIndex;if(t){var o=this.text.split(this._reNewline),u=o[i-1],a=u.length;this.styles[i-1]||(this.styles[i-1]={});for(s in this.styles[i])this.styles[i-1][parseInt(s,10)+a]=this.styles[i][s];this.shiftLineStyles(i,-1)}else{var f=this.styles[i];if(f){var l=this.selectionStart===this.selectionEnd?-1:0;delete f[s+l]}var c=e(f);for(var h in c){var p=parseInt(h,10);p>=s&&p!==0&&(f[p-1]=c[p],delete f[p])}}},insertNewline:function(){this.insertChars("\n")}})}(),function(){function request(e,t,n){var r=URL.parse(e);r.port||(r.port=r.protocol.indexOf("https:")===0?443:80);var i=r.port===443?HTTPS:HTTP,s=i.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(e){var r="";t&&e.setEncoding(t),e.on("end",function(){n(r)}),e.on("data",function(t){e.statusCode===200&&(r+=t)})});s.on("error",function(e){e.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(e.message)}),s.end()}function request_fs(e,t){var n=require("fs");n.readFile(e,function(e,n){if(e)throw fabric.log(e),e;t(n)})}if(typeof document!="undefined"&&typeof window!="undefined")return;var DOMParser=(new require("xmldom")).DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(e,t,n){var r=function(r){i.src=new Buffer(r,"binary"),i._src=e,t&&t.call(n,i)},i=new Image;e&&(e instanceof Buffer||e.indexOf("data")===0)?(i.src=i._src=e,t&&t.call(n,i)):e&&e.indexOf("http")!==0?request_fs(e,r):e&&request(e,"binary",r)},fabric.loadSVGFromURL=function(e,t,n){e=e.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),e.indexOf("http")!==0?request_fs(e,function(e){fabric.loadSVGFromString(e,t,n)}):request(e,"",function(e){fabric.loadSVGFromString(e,t,n)})},fabric.loadSVGFromString=function(e,t,n){var r=(new DOMParser).parseFromString(e);fabric.parseSVGDocument(r.documentElement,function(e,n){t&&t(e,n)},n)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){var r=new fabric.Image(n);r._initConfig(e),r._initFilters(e,function(e){r.filters=e||[],t&&t(r)})})},fabric.createCanvasForNode=function(e,t){var n=fabric.document.createElement("canvas"),r=new Canvas(e||600,t||600);n.style={},n.width=r.width,n.height=r.height;var i=fabric.Canvas||fabric.StaticCanvas,s=new i(n);return s.contextContainer=r.getContext("2d"),s.nodeCanvas=r,s.Font=Canvas.Font,s},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(e){return this.nodeCanvas.createJPEGStream(e)};var origSetWidth=fabric.StaticCanvas.prototype.setWidth;fabric.StaticCanvas.prototype.setWidth=function(e){return origSetWidth.call(this,e),this.nodeCanvas.width=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setWidth=fabric.StaticCanvas.prototype.setWidth);var origSetHeight=fabric.StaticCanvas.prototype.setHeight;fabric.StaticCanvas.prototype.setHeight=function(e){return origSetHeight.call(this,e),this.nodeCanvas.height=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setHeight=fabric.StaticCanvas.prototype.setHeight)}();
\ No newline at end of file
+if(!t.complete)return"";if(t.naturalWidth===0||t.naturalHeight===0)return""}return e.createPattern(t,this.repeat)}}),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Shadow){t.warn("fabric.Shadow is already defined.");return}t.Shadow=t.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(e){typeof e=="string"&&(e=this._parseShadow(e));for(var n in e)this[n]=e[n];this.id=t.Object.__uid++},_parseShadow:function(e){var n=e.trim(),r=t.Shadow.reOffsetsAndBlur.exec(n)||[],i=n.replace(t.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:i.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(e){var t="SourceAlpha";return e&&(e.fill===this.color||e.stroke===this.color)&&(t="SourceGraphic"),'<filter id="SVGID_'+this.id+'" y="-40%" height="180%">'+'<feGaussianBlur in="'+t+'" stdDeviation="'+(this.blur?this.blur/3:0)+'"></feGaussianBlur>'+'<feOffset dx="'+this.offsetX+'" dy="'+this.offsetY+'"></feOffset>'+"<feMerge>"+"<feMergeNode></feMergeNode>"+'<feMergeNode in="SourceGraphic"></feMergeNode>'+"</feMerge>"+"</filter>"},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY};var e={},n=t.Shadow.prototype;return this.color!==n.color&&(e.color=this.color),this.blur!==n.blur&&(e.blur=this.blur),this.offsetX!==n.offsetX&&(e.offsetX=this.offsetX),this.offsetY!==n.offsetY&&(e.offsetY=this.offsetY),e}}),t.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/}(typeof exports!="undefined"?exports:this),function(){"use strict";if(fabric.StaticCanvas){fabric.warn("fabric.StaticCanvas is already defined.");return}var e=fabric.util.object.extend,t=fabric.util.getElementOffset,n=fabric.util.removeFromArray,r=fabric.util.removeListener,i=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(e,t){t||(t={}),this._initStatic(e,t),fabric.StaticCanvas.activeInstance=this},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,onBeforeScaleRotate:function(){},_initStatic:function(e,t){this._objects=[],this._createLowerCanvas(e),this._initOptions(t),t.overlayImage&&this.setOverlayImage(t.overlayImage,this.renderAll.bind(this)),t.backgroundImage&&this.setBackgroundImage(t.backgroundImage,this.renderAll.bind(this)),t.backgroundColor&&this.setBackgroundColor(t.backgroundColor,this.renderAll.bind(this)),t.overlayColor&&this.setOverlayColor(t.overlayColor,this.renderAll.bind(this)),this.calcOffset()},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(e,t,n){return this.__setBgOverlayImage("overlayImage",e,t,n)},setBackgroundImage:function(e,t,n){return this.__setBgOverlayImage("backgroundImage",e,t,n)},setOverlayColor:function(e,t){return this.__setBgOverlayColor("overlayColor",e,t)},setBackgroundColor:function(e,t){return this.__setBgOverlayColor("backgroundColor",e,t)},__setBgOverlayImage:function(e,t,n,r){return typeof t=="string"?fabric.util.loadImage(t,function(t){this[e]=new fabric.Image(t,r),n&&n()},this):(this[e]=t,n&&n()),this},__setBgOverlayColor:function(e,t,n){if(t.source){var r=this;fabric.util.loadImage(t.source,function(i){r[e]=new fabric.Pattern({source:i,repeat:t.repeat,offsetX:t.offsetX,offsetY:t.offsetY}),n&&n()})}else this[e]=t,n&&n();return this},_createCanvasElement:function(){var e=fabric.document.createElement("canvas");e.style||(e.style={});if(!e)throw i;return this._initCanvasElement(e),e},_initCanvasElement:function(e){fabric.util.createCanvasElement(e);if(typeof e.getContext=="undefined")throw i},_initOptions:function(e){for(var t in e)this[t]=e[t];this.width=parseInt(this.lowerCanvasEl.width,10)||0,this.height=parseInt(this.lowerCanvasEl.height,10)||0;if(!this.lowerCanvasEl.style)return;this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px"},_createLowerCanvas:function(e){this.lowerCanvasEl=fabric.util.getById(e)||this._createCanvasElement(),this._initCanvasElement(this.lowerCanvasEl),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(e){return this._setDimension("width",e)},setHeight:function(e){return this._setDimension("height",e)},setDimensions:function(e){for(var t in e)this._setDimension(t,e[t]);return this},_setDimension:function(e,t){return this.lowerCanvasEl[e]=t,this.lowerCanvasEl.style[e]=t+"px",this.upperCanvasEl&&(this.upperCanvasEl[e]=t,this.upperCanvasEl.style[e]=t+"px"),this.cacheCanvasEl&&(this.cacheCanvasEl[e]=t),this.wrapperEl&&(this.wrapperEl.style[e]=t+"px"),this[e]=t,this.calcOffset(),this.renderAll(),this},getElement:function(){return this.lowerCanvasEl},getActiveObject:function(){return null},getActiveGroup:function(){return null},_draw:function(e,t){if(!t)return;if(this.controlsAboveOverlay){var n=t.hasBorders,r=t.hasControls;t.hasBorders=t.hasControls=!1,t.render(e),t.hasBorders=n,t.hasControls=r}else t.render(e)},_onObjectAdded:function(e){this.stateful&&e.setupState(),e.setCoords(),e.canvas=this,this.fire("object:added",{target:e}),e.fire("added")},_onObjectRemoved:function(e){this.getActiveObject()===e&&(this.fire("before:selection:cleared",{target:e}),this._discardActiveObject(),this.fire("selection:cleared")),this.fire("object:removed",{target:e}),e.fire("removed")},clearContext:function(e){return e.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.discardActiveGroup&&this.discardActiveGroup(),this.discardActiveObject&&this.discardActiveObject(),this.clearContext(this.contextContainer),this.contextTop&&this.clearContext(this.contextTop),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(e){var t=this[e===!0&&this.interactive?"contextTop":"contextContainer"],n=this.getActiveGroup();return this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this.contextTop),e||this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),this._renderObjects(t,n),this._renderActiveGroup(t,n),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render"),this},_renderObjects:function(e,t){for(var n=0,r=this._objects.length;n<r;++n)(!t||t&&this._objects[n]&&!t.contains(this._objects[n]))&&this._draw(e,this._objects[n])},_renderActiveGroup:function(e,t){if(t){var n=[];this.forEachObject(function(e){t.contains(e)&&n.push(e)}),t._set("objects",n),this._draw(e,t)}},_renderBackground:function(e){this.backgroundColor&&(e.fillStyle=this.backgroundColor.toLive?this.backgroundColor.toLive(e):this.backgroundColor,e.fillRect(this.backgroundColor.offsetX||0,this.backgroundColor.offsetY||0,this.width,this.height)),this.backgroundImage&&this.backgroundImage.render(e)},_renderOverlay:function(e){this.overlayColor&&(e.fillStyle=this.overlayColor.toLive?this.overlayColor.toLive(e):this.overlayColor,e.fillRect(this.overlayColor.offsetX||0,this.overlayColor.offsetY||0,this.width,this.height)),this.overlayImage&&this.overlayImage.render(e)},renderTop:function(){var e=this.contextTop||this.contextContainer;this.clearContext(e),this.selection&&this._groupSelector&&this._drawSelection();var t=this.getActiveGroup();return t&&t.render(e),this.overlayImage&&e.drawImage(this.overlayImage,this.overlayImageLeft,this.overlayImageTop),this.fire("after:render"),this},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(e){return e.set("left",this.getCenter().left),this.renderAll(),this},centerObjectV:function(e){return e.set("top",this.getCenter().top),this.renderAll(),this},centerObject:function(e){return this.centerObjectH(e).centerObjectV(e)},toDatalessJSON:function(e){return this.toDatalessObject(e)},toObject:function(e){return this._toObjectMethod("toObject",e)},toDatalessObject:function(e){return this._toObjectMethod("toDatalessObject",e)},_toObjectMethod:function(t,n){var r=this.getActiveGroup();r&&this.discardActiveGroup();var i={objects:this.getObjects().map(function(e){var r;this.includeDefaultValues||(r=e.includeDefaultValues,e.includeDefaultValues=!1);var i=e[t](n);return this.includeDefaultValues||(e.includeDefaultValues=r),i},this)};return e(i,this.__serializeBgOverlay()),fabric.util.populateWithProperties(this,i,n),r&&(this.setActiveGroup(new fabric.Group(r.getObjects())),r.forEachObject(function(e){e.set("active",!0)})),i},__serializeBgOverlay:function(){var e={background:this.backgroundColor&&this.backgroundColor.toObject?this.backgroundColor.toObject():this.backgroundColor};return this.overlayColor&&(e.overlay=this.overlayColor.toObject?this.overlayColor.toObject():this.overlayColor),this.backgroundImage&&(e.backgroundImage=this.backgroundImage.toObject()),this.overlayImage&&(e.overlayImage=this.overlayImage.toObject()),e},toSVG:function(e,t){e||(e={});var n=[];return this._setSVGPreamble(n,e),this._setSVGHeader(n,e),this._setSVGBgOverlayColor(n,"backgroundColor"),this._setSVGBgOverlayImage(n,"backgroundImage"),this._setSVGObjects(n,t),this._setSVGBgOverlayColor(n,"overlayColor"),this._setSVGBgOverlayImage(n,"overlayImage"),n.push("</svg>"),n.join("")},_setSVGPreamble:function(e,t){t.suppressPreamble||e.push('<?xml version="1.0" encoding="',t.encoding||"UTF-8",'" standalone="no" ?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(e,t){e.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',t.viewBox?t.viewBox.width:this.width,'" ','height="',t.viewBox?t.viewBox.height:this.height,'" ',this.backgroundColor&&!this.backgroundColor.toLive?'style="background-color: '+this.backgroundColor+'" ':null,t.viewBox?'viewBox="'+t.viewBox.x+" "+t.viewBox.y+" "+t.viewBox.width+" "+t.viewBox.height+'" ':null,'xml:space="preserve">',"<desc>Created with Fabric.js ",fabric.version,"</desc>","<defs>",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"</defs>")},_setSVGObjects:function(e,t){var n=this.getActiveGroup();n&&this.discardActiveGroup();for(var r=0,i=this.getObjects(),s=i.length;r<s;r++)e.push(i[r].toSVG(t));n&&(this.setActiveGroup(new fabric.Group(n.getObjects())),n.forEachObject(function(e){e.set("active",!0)}))},_setSVGBgOverlayImage:function(e,t){this[t]&&this[t].toSVG&&e.push(this[t].toSVG())},_setSVGBgOverlayColor:function(e,t){this[t]&&this[t].source?e.push('<rect x="',this[t].offsetX,'" y="',this[t].offsetY,'" ','width="',this[t].repeat==="repeat-y"||this[t].repeat==="no-repeat"?this[t].source.width:this.width,'" height="',this[t].repeat==="repeat-x"||this[t].repeat==="no-repeat"?this[t].source.height:this.height,'" fill="url(#'+t+'Pattern)"',"></rect>"):this[t]&&t==="overlayColor"&&e.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[t],'"',"></rect>")},sendToBack:function(e){return n(this._objects,e),this._objects.unshift(e),this.renderAll&&this.renderAll()},bringToFront:function(e){return n(this._objects,e),this._objects.push(e),this.renderAll&&this.renderAll()},sendBackwards:function(e,t){var r=this._objects.indexOf(e);if(r!==0){var i;if(t){i=r;for(var s=r-1;s>=0;--s){var o=e.intersectsWithObject(this._objects[s])||e.isContainedWithinObject(this._objects[s])||this._objects[s].isContainedWithinObject(e);if(o){i=s;break}}}else i=r-1;n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},bringForward:function(e,t){var r=this._objects.indexOf(e);if(r!==this._objects.length-1){var i;if(t){i=r;for(var s=r+1;s<this._objects.length;++s){var o=e.intersectsWithObject(this._objects[s])||e.isContainedWithinObject(this._objects[s])||this._objects[s].isContainedWithinObject(e);if(o){i=s;break}}}else i=r+1;n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},moveTo:function(e,t){return n(this._objects,e),this._objects.splice(t,0,e),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this.interactive?(r(fabric.window,"resize",this._onResize),r(this.upperCanvasEl,"mousedown",this._onMouseDown),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"mousewheel",this._onMouseWheel),r(this.upperCanvasEl,"touchstart",this._onMouseDown),r(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof Event!="undefined"&&"remove"in Event&&(Event.remove(this.upperCanvasEl,"gesture",this._onGesture),Event.remove(this.upperCanvasEl,"drag",this._onDrag),Event.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.remove(this.upperCanvasEl,"shake",this._onShake)),this):this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): "+"{ objects: "+this.getObjects().length+" }>"}}),e(fabric.StaticCanvas.prototype,fabric.Observable),e(fabric.StaticCanvas.prototype,fabric.Collection),e(fabric.StaticCanvas.prototype,fabric.DataURLExporter),e(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(e){var t=fabric.util.createCanvasElement();if(!t||!t.getContext)return null;var n=t.getContext("2d");if(!n)return null;switch(e){case"getImageData":return typeof n.getImageData!="undefined";case"setLineDash":return typeof n.setLineDash!="undefined";case"toDataURL":return typeof t.toDataURL!="undefined";case"toDataURLWithQuality":try{return t.toDataURL("image/jpeg",0),!0}catch(r){}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",setShadow:function(e){return this.shadow=new fabric.Shadow(e),this},_setBrushStyles:function(){var e=this.canvas.contextTop;e.strokeStyle=this.color,e.lineWidth=this.width,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin},_setShadow:function(){if(!this.shadow)return;var e=this.canvas.contextTop;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur,e.shadowOffsetX=this.shadow.offsetX,e.shadowOffsetY=this.shadow.offsetY},_resetShadow:function(){var e=this.canvas.contextTop;e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0}}),function(){var e=fabric.util.array.min,t=fabric.util.array.max;fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(e){this.canvas=e,this._points=[]},onMouseDown:function(e){this._prepareForDrawing(e),this._captureDrawingPath(e),this._render()},onMouseMove:function(e){this._captureDrawingPath(e),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(e){var t=new fabric.Point(e.x,e.y);this._reset(),this._addPoint(t),this.canvas.contextTop.moveTo(t.x,t.y)},_addPoint:function(e){this._points.push(e)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(e){var t=new fabric.Point(e.x,e.y);this._addPoint(t)},_render:function(){var e=this.canvas.contextTop;e.beginPath();var t=this._points[0],n=this._points[1];this._points.length===2&&t.x===n.x&&t.y===n.y&&(t.x-=.5,n.x+=.5),e.moveTo(t.x,t.y);for(var r=1,i=this._points.length;r<i;r++){var s=t.midPointFrom(n);e.quadraticCurveTo(t.x,t.y,s.x,s.y),t=this._points[r],n=this._points[r+1]}e.lineTo(t.x,t.y),e.stroke()},_getSVGPathData:function(){return this.box=this.getPathBoundingBox(this._points),this.convertPointsToSVGPath(this._points,this.box.minx,this.box.maxx,this.box.miny,this.box.maxy)},getPathBoundingBox:function(n){var r=[],i=[],s=n[0],o=n[1],u=s;for(var a=1,f=n.length;a<f;a++){var l=s.midPointFrom(o);r.push(u.x),r.push(l.x),i.push(u.y),i.push(l.y),s=n[a],o=n[a+1],u=l}return r.push(s.x),i.push(s.y),{minx:e(r),miny:e(i),maxx:t(r),maxy:t(i)}},convertPointsToSVGPath:function(e,t,n,r){var i=[],s=new fabric.Point(e[0].x-t,e[0].y-r),o=new fabric.Point(e[1].x-t,e[1].y-r);i.push("M ",e[0].x-t," ",e[0].y-r," ");for(var u=1,a=e.length;u<a;u++){var f=s.midPointFrom(o);i.push("Q ",s.x," ",s.y," ",f.x," ",f.y," "),s=new fabric.Point(e[u].x-t,e[u].y-r),u+1<e.length&&(o=new fabric.Point(e[u+1].x-t,e[u+1].y-r))}return i.push("L ",s.x," ",s.y," "),i},createPath:function(e){var t=new fabric.Path(e);return t.fill=null,t.stroke=this.color,t.strokeWidth=this.width,t.strokeLineCap=this.strokeLineCap,t.strokeLineJoin=this.strokeLineJoin,this.shadow&&(this.shadow.affectStroke=!0,t.setShadow(this.shadow)),t},_finalizeAndAddPath:function(){var e=this.canvas.contextTop;e.closePath();var t=this._getSVGPathData().join("");if(t==="M 0 0 Q 0 0 0 0 L 0 0"){this.canvas.renderAll();return}var n=this.box.minx+(this.box.maxx-this.box.minx)/2,r=this.box.miny+(this.box.maxy-this.box.miny)/2;this.canvas.contextTop.arc(n,r,3,0,Math.PI*2,!1);var i=this.createPath(t);i.set({left:n,top:r,originX:"center",originY:"center"}),this.canvas.add(i),i.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:i})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(e){this.canvas=e,this.points=[]},drawDot:function(e){var t=this.addPoint(e),n=this.canvas.contextTop;n.fillStyle=t.fill,n.beginPath(),n.arc(t.x,t.y,t.radius,0,Math.PI*2,!1),n.closePath(),n.fill()},onMouseDown:function(e){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(e)},onMouseMove:function(e){this.drawDot(e)},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.points.length;n<r;n++){var i=this.points[n],s=new fabric.Circle({radius:i.radius,left:i.x,top:i.y,originX:"center",originY:"center",fill:i.fill});this.shadow&&s.setShadow(this.shadow),t.push(s)}var o=new fabric.Group(t,{originX:"center",originY:"center"});this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},addPoint:function(e){var t=new fabric.Point(e.x,e.y),n=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 t.radius=n,t.fill=r,this.points.push(t),t}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(e){this.canvas=e,this.sprayChunks=[]},onMouseDown:function(e){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(e),this.render()},onMouseMove:function(e){this.addSprayChunk(e),this.render()},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.sprayChunks.length;n<r;n++){var i=this.sprayChunks[n];for(var s=0,o=i.length;s<o;s++){var u=new fabric.Rect({width:i[s].width,height:i[s].width,left:i[s].x+1,top:i[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&u.setShadow(this.shadow),t.push(u)}}this.optimizeOverlapping&&(t=this._getOptimizedRects(t));var a=new fabric.Group(t,{originX:"center",originY:"center"});this.canvas.add(a),this.canvas.fire("path:created",{path:a}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},_getOptimizedRects:function(e){var t={},n;for(var r=0,i=e.length;r<i;r++)n=e[r].left+""+e[r].top,t[n]||(t[n]=e[r]);var s=[];for(n in t)s.push(t[n]);return s},render:function(){var e=this.canvas.contextTop;e.fillStyle=this.color,e.save();for(var t=0,n=this.sprayChunkPoints.length;t<n;t++){var r=this.sprayChunkPoints[t];typeof r.opacity!="undefined"&&(e.globalAlpha=r.opacity),e.fillRect(r.x,r.y,r.width,r.width)}e.restore()},addSprayChunk:function(e){this.sprayChunkPoints=[];var t,n,r,i=this.width/2;for(var s=0;s<this.density;s++){t=fabric.util.getRandomInt(e.x-i,e.x+i),n=fabric.util.getRandomInt(e.y-i,e.y+i),this.dotWidthVariance?r=fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):r=this.dotWidth;var o={x:t,y:n,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 e=20,t=5,n=fabric.document.createElement("canvas"),r=n.getContext("2d");return n.width=n.height=e+t,r.fillStyle=this.color,r.beginPath(),r.arc(e/2,e/2,e/2,0,Math.PI*2,!1),r.closePath(),r.fill(),n},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(e){var t=this.callSuper("createPath",e);return t.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction()}),t}}),function(){var e=fabric.util.getPointer,t=fabric.util.degreesToRadians,n=fabric.util.radiansToDegrees,r=Math.atan2,i=Math.abs,s=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(e,t){t||(t={}),this._initStatic(e,t),this._initInteractive(),this._createCacheCanvas(),fabric.Canvas.activeInstance=this},uniScaleTransform:!1,centeredScaling:!1,centeredRotation:!1,interactive:!0,selection:!0,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",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEvents(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_resetCurrentTransform:function(e){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(e,t.target)?t.action==="rotate"?this._setOriginToCenter(t.target):(t.originX!=="center"&&(t.originX==="right"?t.mouseXSign=-1:t.mouseXSign=1),t.originY!=="center"&&(t.originY==="bottom"?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(e,t){var n=this.getPointer(e),r=this._normalizePointer(t,n);return t.containsPoint(r)||t._findTargetCorner(e,this._offset)},_normalizePointer:function(e,t){var n=this.getActiveGroup(),r=t.x,i=t.y,s=n&&e.type!=="group"&&n.contains(e);return s&&(r-=n.left,i-=n.top),{x:r,y:i}},isTargetTransparent:function(e,t,n){var r=this.contextCache,i=e.hasBorders,s=e.transparentCorners;e.hasBorders=e.transparentCorners=!1,this._draw(r,e),e.hasBorders=i,e.transparentCorners=s,this.targetFindTolerance>0&&(t>this.targetFindTolerance?t-=this.targetFindTolerance:t=0,n>this.targetFindTolerance?n-=this.targetFindTolerance:n=0);var o=!0,u=r.getImageData(t,n,this.targetFindTolerance*2||1,this.targetFindTolerance*2||1);for(var a=3,f=u.data.length;a<f;a+=4){var l=u.data[a];o=l<=0;if(o===!1)break}return u=null,this.clearContext(r),o},_shouldClearSelection:function(e,t){var n=this.getActiveGroup();return!t||t&&n&&!n.contains(t)&&n!==t&&!e.shiftKey||t&&!t.evented},_shouldCenterTransform:function(e,t){if(!t)return;var n=this._currentTransform,r;return n.action==="scale"||n.action==="scaleX"||n.action==="scaleY"?r=this.centeredScaling||t.centeredScaling:n.action==="rotate"&&(r=this.centeredRotation||t.centeredRotation),r?!e.altKey:e.altKey},_getOriginFromCorner:function(e,t){var n={x:e.originX,y:e.originY};if(t==="ml"||t==="tl"||t==="bl")n.x="right";else if(t==="mr"||t==="tr"||t==="br")n.x="left";if(t==="tl"||t==="mt"||t==="tr")n.y="bottom";else if(t==="bl"||t==="mb"||t==="br")n.y="top";return n},_getActionFromCorner:function(e,t){var n="drag";return t&&(n=t==="ml"||t==="mr"?"scaleX":t==="mt"||t==="mb"?"scaleY":t==="mtr"?"rotate":"scale"),n},_setupCurrentTransform:function(n,r){if(!r)return;var i=r._findTargetCorner(n,this._offset),s=e(n,r.canvas.upperCanvasEl),o=this._getActionFromCorner(r,i),u=this._getOriginFromCorner(r,i);this._currentTransform={target:r,action:o,scaleX:r.scaleX,scaleY:r.scaleY,offsetX:s.x-r.left,offsetY:s.y-r.top,originX:u.x,originY:u.y,ex:s.x,ey:s.y,left:r.left,top:r.top,theta:t(r.angle),width:r.width*r.scaleX,mouseXSign:1,mouseYSign:1},this._currentTransform.original={left:r.left,top:r.top,scaleX:r.scaleX,scaleY:r.scaleY,originX:u.x,originY:u.y},this._resetCurrentTransform(n)},_translateObject:function(e,t){var n=this._currentTransform.target;n.get("lockMovementX")||n.set("left",e-this._currentTransform.offsetX),n.get("lockMovementY")||n.set("top",t-this._currentTransform.offsetY)},_scaleObject:function(e,t,n){var r=this._currentTransform,i=this._offset,s=r.target,o=s.get("lockScalingX"),u=s.get("lockScalingY");if(o&&u)return;var a=s.translateToOriginPoint(s.getCenterPoint(),r.originX,r.originY),f=s.toLocalPoint(new fabric.Point(e-i.left,t-i.top),r.originX,r.originY);this._setLocalMouse(f,r),this._setObjectScale(f,r,o,u,n),s.setPositionByOrigin(a,r.originX,r.originY)},_setObjectScale:function(e,t,n,r,i){var s=t.target;t.newScaleX=s.scaleX,t.newScaleY=s.scaleY,i==="equally"&&!n&&!r?this._scaleObjectEqually(e,s,t):i?i==="x"&&!s.get("lockUniScaling")?(t.newScaleX=e.x/(s.width+s.strokeWidth),n||s.set("scaleX",t.newScaleX)):i==="y"&&!s.get("lockUniScaling")&&(t.newScaleY=e.y/(s.height+s.strokeWidth),r||s.set("scaleY",t.newScaleY)):(t.newScaleX=e.x/(s.width+s.strokeWidth),t.newScaleY=e.y/(s.height+s.strokeWidth),n||s.set("scaleX",t.newScaleX),r||s.set("scaleY",t.newScaleY)),this._flipObject(t)},_scaleObjectEqually:function(e,t,n){var r=e.y+e.x,i=(t.height+t.strokeWidth)*n.original.scaleY+(t.width+t.strokeWidth)*n.original.scaleX;n.newScaleX=n.original.scaleX*r/i,n.newScaleY=n.original.scaleY*r/i,t.set("scaleX",n.newScaleX),t.set("scaleY",n.newScaleY)},_flipObject:function(e){e.newScaleX<0&&(e.originX==="left"?e.originX="right":e.originX==="right"&&(e.originX="left")),e.newScaleY<0&&(e.originY==="top"?e.originY="bottom":e.originY==="bottom"&&(e.originY="top"))},_setLocalMouse:function(e,t){var n=t.target;t.originX==="right"?e.x*=-1:t.originX==="center"&&(e.x*=t.mouseXSign*2,e.x<0&&(t.mouseXSign=-t.mouseXSign)),t.originY==="bottom"?e.y*=-1:t.originY==="center"&&(e.y*=t.mouseYSign*2,e.y<0&&(t.mouseYSign=-t.mouseYSign)),i(e.x)>n.padding?e.x<0?e.x+=n.padding:e.x-=n.padding:e.x=0,i(e.y)>n.padding?e.y<0?e.y+=n.padding:e.y-=n.padding:e.y=0},_rotateObject:function(e,t){var i=this._currentTransform,s=this._offset;if(i.target.get("lockRotation"))return;var o=r(i.ey-i.top-s.top,i.ex-i.left-s.left),u=r(t-i.top-s.top,e-i.left-s.left),a=n(u-o+i.theta);a<0&&(a=360+a),i.target.angle=a},_setCursor:function(e){this.upperCanvasEl.style.cursor=e},_resetObjectTransform:function(e){e.scaleX=1,e.scaleY=1,e.setAngle(0)},_drawSelection:function(){var e=this.contextTop,t=this._groupSelector,n=t.left,r=t.top,o=i(n),u=i(r);e.fillStyle=this.selectionColor,e.fillRect(t.ex-(n>0?0:-n),t.ey-(r>0?0:-r),o,u),e.lineWidth=this.selectionLineWidth,e.strokeStyle=this.selectionBorderColor;if(this.selectionDashArray.length>1){var a=t.ex+s-(n>0?0:o),f=t.ey+s-(r>0?0:u);e.beginPath(),fabric.util.drawDashedLine(e,a,f,a+o,f,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f+u-1,a+o,f+u-1,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f,a,f+u,this.selectionDashArray),fabric.util.drawDashedLine(e,a+o-1,f,a+o-1,f+u,this.selectionDashArray),e.closePath(),e.stroke()}else e.strokeRect(t.ex+s-(n>0?0:o),t.ey+s-(r>0?0:u),o,u)},findTarget:function(e,t){if(this.skipTargetFind)return;var n,r=this.getPointer(e);if(this.controlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay.visible&&this.containsPoint(e,this.lastRenderedObjectWithControlsAboveOverlay)&&this.lastRenderedObjectWithControlsAboveOverlay._findTargetCorner(e,this._offset))return n=this.lastRenderedObjectWithControlsAboveOverlay,n;var i=this.getActiveGroup();if(i&&!t&&this.containsPoint(e,i))return n=i,n;var s=[];for(var o=this._objects.length;o--;)if(this._objects[o]&&this._objects[o].visible&&this._objects[o].evented&&this.containsPoint(e,this._objects[o])){if(!this.perPixelTargetFind&&!this._objects[o].perPixelTargetFind){n=this._objects[o],this.relatedTarget=n;break}s[s.length]=this._objects[o]}for(var u=0,a=s.length;u<a;u++){r=this.getPointer(e);var f=this.isTargetTransparent(s[u],r.x,r.y);if(!f){n=s[u],this.relatedTarget=n;break}}return n},getPointer:function(t){var n=e(t,this.upperCanvasEl);return{x:n.x-this._offset.left,y:n.y-this._offset.top}},_createUpperCanvas:function(){var e=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+e),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.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(e){var t=this.getWidth()||e.width,n=this.getHeight()||e.height;fabric.util.setStyle(e,{position:"absolute",width:t+"px",height:n+"px",left:0,top:0}),e.width=t,e.height=n,fabric.util.makeElementUnselectable(e)},_copyCanvasStyle:function(e,t){t.style.cssText=e.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(e){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=e,e.set("active",!0)},setActiveObject:function(e,t){return this._setActiveObject(e),this.renderAll(),this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t}),this},getActiveObject:function(){return this._activeObject},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(e){return this._discardActiveObject(),this.renderAll(),this.fire("selection:cleared",{e:e}),this},_setActiveGroup:function(e){this._activeGroup=e,e&&(e.canvas=this,e.set("active",!0))},setActiveGroup:function(e,t){return this._setActiveGroup(e),e&&(this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var e=this.getActiveGroup();e&&e.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(e){return this._discardActiveGroup(),this.fire("selection:cleared",{e:e}),this},deactivateAll:function(){var e=this.getObjects(),t=0,n=e.length;for(;t<n;t++)e[t].set("active",!1);return this._discardActiveGroup(),this._discardActiveObject(),this},deactivateAllWithDispatch:function(e){var t=this.getActiveGroup()||this.getActiveObject();return t&&this.fire("before:selection:cleared",{target:t,e:e}),this.deactivateAll(),t&&this.fire("selection:cleared",{e:e}),this},drawControls:function(e){var t=this.getActiveGroup();if(t)e.save(),fabric.Group.prototype.transform.call(t,e),t.drawBorders(e).drawControls(e),e.restore();else for(var n=0,r=this._objects.length;n<r;++n){if(!this._objects[n]||!this._objects[n].active)continue;e.save(),fabric.Object.prototype.transform
+.call(this._objects[n],e),this._objects[n].drawBorders(e).drawControls(e),e.restore(),this.lastRenderedObjectWithControlsAboveOverlay=this._objects[n]}}});for(var o in fabric.StaticCanvas)o!=="prototype"&&(fabric.Canvas[o]=fabric.StaticCanvas[o]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){}),fabric.Element=fabric.Canvas}(),function(){var e=["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],t={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},n=fabric.util.addListener,r=fabric.util.removeListener,i=fabric.util.getPointer;fabric.util.object.extend(fabric.Canvas.prototype,{_initEvents:function(){this._bindEvents(),n(fabric.window,"resize",this._onResize),n(this.upperCanvasEl,"mousedown",this._onMouseDown),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"mousewheel",this._onMouseWheel),n(this.upperCanvasEl,"touchstart",this._onMouseDown),n(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof Event!="undefined"&&"add"in Event&&(Event.add(this.upperCanvasEl,"gesture",this._onGesture),Event.add(this.upperCanvasEl,"drag",this._onDrag),Event.add(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.add(this.upperCanvasEl,"shake",this._onShake))},_bindEvents:function(){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._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this)},_onGesture:function(e,t){this.__onTransformGesture&&this.__onTransformGesture(e,t)},_onDrag:function(e,t){this.__onDrag&&this.__onDrag(e,t)},_onMouseWheel:function(e,t){this.__onMouseWheel&&this.__onMouseWheel(e,t)},_onOrientationChange:function(e,t){this.__onOrientationChange&&this.__onOrientationChange(e,t)},_onShake:function(e,t){this.__onShake&&this.__onShake(e,t)},_onMouseDown:function(e){this.__onMouseDown(e),n(fabric.document,"mouseup",this._onMouseUp),n(fabric.document,"touchend",this._onMouseUp),n(fabric.document,"mousemove",this._onMouseMove),n(fabric.document,"touchmove",this._onMouseMove),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"touchmove",this._onMouseMove)},_onMouseUp:function(e){this.__onMouseUp(e),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp),r(fabric.document,"mousemove",this._onMouseMove),r(fabric.document,"touchmove",this._onMouseMove),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"touchmove",this._onMouseMove)},_onMouseMove:function(e){!this.allowTouchScrolling&&e.preventDefault&&e.preventDefault(),this.__onMouseMove(e)},_onResize:function(){this.calcOffset()},_shouldRender:function(e,t){var n=this.getActiveGroup()||this.getActiveObject();return!!(e&&(e.isMoving||e!==n)||!e&&!!n||!e&&!n&&!this._groupSelector||t&&this._previousPointer&&this.selection&&(t.x!==this._previousPointer.x||t.y!==this._previousPointer.y))},__onMouseUp:function(e){var t;if(this.isDrawingMode&&this._isCurrentlyDrawing){this._onMouseUpInDrawingMode(e);return}this._currentTransform?(this._finalizeCurrentTransform(),t=this._currentTransform.target):t=this.findTarget(e,!0);var n=this._shouldRender(t,this.getPointer(e));this._maybeGroupObjects(e),t&&(t.isMoving=!1),n&&this.renderAll(),this._handleCursorAndEvent(e,t)},_handleCursorAndEvent:function(e,t){this._setCursorFromEvent(e,t);var n=this;setTimeout(function(){n._setCursorFromEvent(e,t)},50),this.fire("mouse:up",{target:t,e:e}),t&&t.fire("mouseup",{e:e})},_finalizeCurrentTransform:function(){var e=this._currentTransform,t=e.target;t._scaling&&(t._scaling=!1),t.setCoords(),this.stateful&&t.hasStateChanged()&&(this.fire("object:modified",{target:t}),t.fire("modified")),this._restoreOriginXY(t)},_restoreOriginXY:function(e){if(this._previousOriginX&&this._previousOriginY){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(e){this._isCurrentlyDrawing=!0,this.discardActiveObject(e).renderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop),this.freeDrawingBrush.onMouseDown(this.getPointer(e)),this.fire("mouse:down",{e:e})},_onMouseMoveInDrawingMode:function(e){if(this._isCurrentlyDrawing){var t=this.getPointer(e);this.freeDrawingBrush.onMouseMove(t)}this.upperCanvasEl.style.cursor=this.freeDrawingCursor,this.fire("mouse:move",{e:e})},_onMouseUpInDrawingMode:function(e){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this.fire("mouse:up",{e:e})},__onMouseDown:function(e){var t="which"in e?e.which===1:e.button===1;if(!t&&!fabric.isTouchSupported)return;if(this.isDrawingMode){this._onMouseDownInDrawingMode(e);return}if(this._currentTransform)return;var n=this.findTarget(e),r=this.getPointer(e);this._previousPointer=r;var i=this._shouldRender(n,r);this._shouldClearSelection(e,n)?this._clearSelection(e,n,r):this._shouldGroup(e,n)?(this._handleGrouping(e,n),n=this.getActiveGroup()):n&&n.selectable&&(this._beforeTransform(e,n),this._setupCurrentTransform(e,n)),i&&this.renderAll(),this.fire("mouse:down",{target:n,e:e}),n&&n.fire("mousedown",{e:e})},_beforeTransform:function(e,t){var n;this.stateful&&t.saveState(),(n=t._findTargetCorner(e,this._offset))&&this.onBeforeScaleRotate(t),t!==this.getActiveGroup()&&t!==this.getActiveObject()&&(this.deactivateAll(),this.setActiveObject(t,e))},_clearSelection:function(e,t,n){this.selection&&(this._groupSelector={ex:n.x,ey:n.y,top:0,left:0}),this.deactivateAllWithDispatch(e),t&&t.selectable&&this.setActiveObject(t,e)},_setOriginToCenter:function(e){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var t=e.getCenterPoint();e.originX="center",e.originY="center",e.left=t.x,e.top=t.y,this._currentTransform.left=e.left,this._currentTransform.top=e.top},_setCenterToOrigin:function(e){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(e){var t,n;if(this.isDrawingMode){this._onMouseMoveInDrawingMode(e);return}var r=this._groupSelector;if(r)n=i(e,this.upperCanvasEl),r.left=n.x-this._offset.left-r.ex,r.top=n.y-this._offset.top-r.ey,this.renderTop();else if(!this._currentTransform){var s=this.upperCanvasEl.style;t=this.findTarget(e),!t||t&&!t.selectable?s.cursor=this.defaultCursor:this._setCursorFromEvent(e,t)}else this._transformObject(e);this.fire("mouse:move",{target:t,e:e}),t&&t.fire("mousemove",{e:e})},_transformObject:function(e){var t=i(e,this.upperCanvasEl),n=t.x,r=t.y,s=this._currentTransform,o=s.target;s.reset=!1,o.isMoving=!0,this._beforeScaleTransform(e,s),s.action==="rotate"?(this._rotateObject(n,r),this._fire("rotating",o,e)):s.action==="scale"?(this._onScale(e,s,n,r),this._fire("scaling",o,e)):s.action==="scaleX"?(this._scaleObject(n,r,"x"),this._fire("scaling",o,e)):s.action==="scaleY"?(this._scaleObject(n,r,"y"),this._fire("scaling",o,e)):(this._translateObject(n,r),this._fire("moving",o,e),this._setCursor(this.moveCursor)),this.renderAll()},_fire:function(e,t,n){this.fire("object:"+e,{target:t,e:n}),t.fire(e,{e:n})},_beforeScaleTransform:function(e,t){if(t.action==="scale"||t.action==="scaleX"||t.action==="scaleY"){var n=this._shouldCenterTransform(e,t.target);if(n&&(t.originX!=="center"||t.originY!=="center")||!n&&t.originX==="center"&&t.originY==="center")this._resetCurrentTransform(e),t.reset=!0}},_onScale:function(e,t,n,r){(e.shiftKey||this.uniScaleTransform)&&!t.target.get("lockUniScaling")?(t.currentAction="scale",this._scaleObject(n,r)):(!t.reset&&t.currentAction==="scale"&&this._resetCurrentTransform(e,t.target),t.currentAction="scaleEqually",this._scaleObject(n,r,"equally"))},_setCursorFromEvent:function(n,r){var i=this.upperCanvasEl.style;if(!r)return i.cursor=this.defaultCursor,!1;var s=this.getActiveGroup(),o=r._findTargetCorner&&(!s||!s.contains(r))&&r._findTargetCorner(n,this._offset);if(!o)i.cursor=r.hoverCursor||this.hoverCursor;else if(o in t){var u=Math.round(r.getAngle()%360/45);u<0&&(u+=8),u+=t[o],u%=8,i.cursor=e[u]}else{if(o!=="mtr"||!r.hasRotatingPoint)return i.cursor=this.defaultCursor,!1;i.cursor=this.rotationCursor}return!0}})}(),function(){var e=Math.min,t=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(e,t){var n=this.getActiveObject();return e.shiftKey&&(this.getActiveGroup()||n&&n!==t)&&this.selection},_handleGrouping:function(e,t){if(t===this.getActiveGroup()){t=this.findTarget(e,!0);if(!t||t.isType("group"))return}this.getActiveGroup()?this._updateActiveGroup(t,e):this._createActiveGroup(t,e),this._activeGroup&&this._activeGroup.saveCoords()},_updateActiveGroup:function(e,t){var n=this.getActiveGroup();if(n.contains(e)){n.removeWithUpdate(e),this._resetObjectTransform(n),e.set("active",!1);if(n.size()===1){this.discardActiveGroup(t),this.setActiveObject(n.item(0));return}}else n.addWithUpdate(e),this._resetObjectTransform(n);this.fire("selection:created",{target:n,e:t}),n.set("active",!0)},_createActiveGroup:function(e,t){if(this._activeObject&&e!==this._activeObject){var n=this.getObjects(),r=n.indexOf(this._activeObject)<n.indexOf(e),i=r?[e,this._activeObject]:[this._activeObject,e],s=new fabric.Group(i,{originX:"center",originY:"center"});this.setActiveGroup(s),this._activeObject=null;var o=this.getActiveGroup();this.fire("selection:created",{target:o,e:t})}e.set("active",!0)},_groupSelectedObjects:function(e){var t=this._collectObjects();t.length===1?this.setActiveObject(t[0],e):t.length>1&&(t=new fabric.Group(t.reverse(),{originX:"center",originY:"center"}),this.setActiveGroup(t,e),t.saveCoords(),this.fire("selection:created",{target:t}),this.renderAll())},_collectObjects:function(){var n=[],r,i=this._groupSelector.ex,s=this._groupSelector.ey,o=i+this._groupSelector.left,u=s+this._groupSelector.top,a=new fabric.Point(e(i,o),e(s,u)),f=new fabric.Point(t(i,o),t(s,u)),l=i===o&&s===u;for(var c=this._objects.length;c--;){r=this._objects[c];if(!r||!r.selectable||!r.visible)continue;if(r.intersectsWithRect(a,f)||r.isContainedWithinRect(a,f)||r.containsPoint(a)||r.containsPoint(f)){r.set("active",!0),n.push(r);if(l)break}}return n},_maybeGroupObjects:function(e){this.selection&&this._groupSelector&&this._groupSelectedObjects(e);var t=this.getActiveGroup();t&&(t.setObjectsCoords(),t.isMoving=!1,this._setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(e){e||(e={});var t=e.format||"png",n=e.quality||1,r=e.multiplier||1,i={left:e.left,top:e.top,width:e.width,height:e.height};return r!==1?this.__toDataURLWithMultiplier(t,n,i,r):this.__toDataURL(t,n,i)},__toDataURL:function(e,t,n){this.renderAll(!0);var r=this.upperCanvasEl||this.lowerCanvasEl,i=this.__getCroppedCanvas(r,n);e==="jpg"&&(e="jpeg");var s=fabric.StaticCanvas.supports("toDataURLWithQuality")?(i||r).toDataURL("image/"+e,t):(i||r).toDataURL("image/"+e);return this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),i&&(i=null),s},__getCroppedCanvas:function(e,t){var n,r,i="left"in t||"top"in t||"width"in t||"height"in t;return i&&(n=fabric.util.createCanvasElement(),r=n.getContext("2d"),n.width=t.width||this.width,n.height=t.height||this.height,r.drawImage(e,-t.left||0,-t.top||0)),n},__toDataURLWithMultiplier:function(e,t,n,r){var i=this.getWidth(),s=this.getHeight(),o=i*r,u=s*r,a=this.getActiveObject(),f=this.getActiveGroup(),l=this.contextTop||this.contextContainer;this.setWidth(o).setHeight(u),l.scale(r,r),n.left&&(n.left*=r),n.top&&(n.top*=r),n.width&&(n.width*=r),n.height&&(n.height*=r),f?this._tempRemoveBordersControlsFromGroup(f):a&&this.deactivateAll&&this.deactivateAll(),this.renderAll(!0);var c=this.__toDataURL(e,t,n);return this.width=i,this.height=s,l.scale(1/r,1/r),this.setWidth(i).setHeight(s),f?this._restoreBordersControlsOnGroup(f):a&&this.setActiveObject&&this.setActiveObject(a),this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),c},toDataURLWithMultiplier:function(e,t,n){return this.toDataURL({format:e,multiplier:t,quality:n})},_tempRemoveBordersControlsFromGroup:function(e){e.origHasControls=e.hasControls,e.origBorderColor=e.borderColor,e.hasControls=!0,e.borderColor="rgba(0,0,0,0)",e.forEachObject(function(e){e.origBorderColor=e.borderColor,e.borderColor="rgba(0,0,0,0)"})},_restoreBordersControlsOnGroup:function(e){e.hideControls=e.origHideControls,e.borderColor=e.origBorderColor,e.forEachObject(function(e){e.borderColor=e.origBorderColor,delete e.origBorderColor})}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(e,t,n){return this.loadFromJSON(e,t,n)},loadFromJSON:function(e,t,n){if(!e)return;var r=typeof e=="string"?JSON.parse(e):e;this.clear();var i=this;return this._enlivenObjects(r.objects,function(){i._setBgOverlay(r,t)},n),this},_setBgOverlay:function(e,t){var n=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!e.backgroundImage&&!e.overlayImage&&!e.background&&!e.overlay){t&&t();return}var i=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(n.renderAll(),t&&t())};this.__setBgOverlay("backgroundImage",e.backgroundImage,r,i),this.__setBgOverlay("overlayImage",e.overlayImage,r,i),this.__setBgOverlay("backgroundColor",e.background,r,i),this.__setBgOverlay("overlayColor",e.overlay,r,i),i()},__setBgOverlay:function(e,t,n,r){var i=this;if(!t){n[e]=!0;return}e==="backgroundImage"||e==="overlayImage"?fabric.Image.fromObject(t,function(t){i[e]=t,n[e]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(e,!0)](t,function(){n[e]=!0,r&&r()})},_enlivenObjects:function(e,t,n){var r=this;e.length===0&&t&&t();var i=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(e,function(e){e.forEach(function(e,t){r.insertAt(e,t,!0)}),r.renderOnAddRemove=i,t&&t()},null,n)},_toDataURL:function(e,t){this.clone(function(n){t(n.toDataURL(e))})},_toDataURLWithMultiplier:function(e,t,n){this.clone(function(r){n(r.toDataURLWithMultiplier(e,t))})},clone:function(e,t){var n=JSON.stringify(this.toJSON(t));this.cloneWithoutData(function(t){t.loadFromJSON(n,function(){e&&e(t)})})},cloneWithoutData:function(e){var t=fabric.document.createElement("canvas");t.width=this.getWidth(),t.height=this.getHeight();var n=new fabric.Canvas(t);n.clipTo=this.clipTo,this.backgroundImage?(n.setBackgroundImage(this.backgroundImage.src,function(){n.renderAll(),e&&e(n)}),n.backgroundImageOpacity=this.backgroundImageOpacity,n.backgroundImageStretch=this.backgroundImageStretch):e&&e(n)}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.toFixed,i=t.util.string.capitalize,s=t.util.degreesToRadians,o=t.StaticCanvas.supports("setLineDash");if(t.Object)return;t.Object=t.util.createClass({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,cornerSize:12,transparentCorners:!0,hoverCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",cornerColor:"rgba(102,153,255,0.5)",centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"source-over",backgroundColor:"",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,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule shadow clipTo visible backgroundColor".split(" "),initialize:function(e){e&&this.setOptions(e)},_initGradient:function(e){e.fill&&e.fill.colorStops&&!(e.fill instanceof t.Gradient)&&this.set("fill",new t.Gradient(e.fill))},_initPattern:function(e){e.fill&&e.fill.source&&!(e.fill instanceof t.Pattern)&&this.set("fill",new t.Pattern(e.fill)),e.stroke&&e.stroke.source&&!(e.stroke instanceof t.Pattern)&&this.set("stroke",new t.Pattern(e.stroke))},_initClipping:function(e){if(!e.clipTo||typeof e.clipTo!="string")return;var n=t.util.getFunctionBody(e.clipTo);typeof n!="undefined"&&(this.clipTo=new Function("ctx",n))},setOptions:function(e){for(var t in e)this.set(t,e[t]);this._initGradient(e),this._initPattern(e),this._initClipping(e)},transform:function(e,t){e.globalAlpha=this.opacity;var n=t?this._getLeftTopCoords():this.getCenterPoint();e.translate(n.x,n.y),e.rotate(s(this.angle)),e.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1))},toObject:function(e){var n=t.Object.NUM_FRACTION_DIGITS,i={type:this.type,originX:this.originX,originY:this.originY,left:r(this.left,n),top:r(this.top,n),width:r(this.width,n),height:r(this.height,n),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,n),strokeDashArray:this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,n),scaleX:r(this.scaleX,n),scaleY:r(this.scaleY,n),angle:r(this.getAngle(),n),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,n),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor};return this.includeDefaultValues||(i=this._removeDefaultValues(i)),t.util.populateWithProperties(this,i,e),i},toDatalessObject:function(e){return this.toObject(e)},getSvgStyles:function(){var e=this.fill?this.fill.toLive?"url(#SVGID_"+this.fill.id+")":this.fill:"none",t=this.stroke?this.stroke.toLive?"url(#SVGID_"+this.stroke.id+")":this.stroke:"none",n=this.strokeWidth?this.strokeWidth:"0",r=this.strokeDashArray?this.strokeDashArray.join(" "):"",i=this.strokeLineCap?this.strokeLineCap:"butt",s=this.strokeLineJoin?this.strokeLineJoin:"miter",o=this.strokeMiterLimit?this.strokeMiterLimit:"4",u=typeof this.opacity!="undefined"?this.opacity:"1",a=this.visible?"":" visibility: hidden;",f=this.shadow&&this.type!=="text"?"filter: url(#SVGID_"+this.shadow.id+");":"";return["stroke: ",t,"; ","stroke-width: ",n,"; ","stroke-dasharray: ",r,"; ","stroke-linecap: ",i,"; ","stroke-linejoin: ",s,"; ","stroke-miterlimit: ",o,"; ","fill: ",e,"; ","opacity: ",u,";",f,a].join("")},getSvgTransform:function(){var e=this.getAngle(),n=this.getCenterPoint(),i=t.Object.NUM_FRACTION_DIGITS,s="translate("+r(n.x,i)+" "+r(n.y,i)+")",o=e!==0?" rotate("+r(e,i)+")":"",u=this.scaleX===1&&this.scaleY===1?"":" scale("+r(this.scaleX,i)+" "+r(this.scaleY,i)+")",a=this.flipX?"matrix(-1 0 0 1 0 0) ":"",f=this.flipY?"matrix(1 0 0 -1 0 0)":"";return[s,o,u,a,f].join("")},_createBaseSVGMarkup:function(){var e=[];return this.fill&&this.fill.toLive&&e.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&e.push(this.stroke.toSVG(this,!1)),this.shadow&&e.push(this.shadow.toSVG(this)),e},_removeDefaultValues:function(e){var n=t.util.getKlass(e.type).prototype,r=n.stateProperties;return r.forEach(function(t){e[t]===n[t]&&delete e[t]}),e},toString:function(){return"#<fabric."+i(this.type)+">"},get:function(e){return this[e]},set:function(e,t){if(typeof e=="object")for(var n in e)this._set(n,e[n]);else typeof t=="function"&&e!=="clipTo"?this._set(e,t(this.get(e))):this._set(e,t);return this},_set:function(e,n){var i=e==="scaleX"||e==="scaleY";return i&&(n=this._constrainScale(n)),e==="scaleX"&&n<0?(this.flipX=!this.flipX,n*=-1):e==="scaleY"&&n<0?(this.flipY=!this.flipY,n*=-1):e==="width"||e==="height"?this.minScaleLimit=r(Math.min(.1,1/Math.max(this.width,this.height)),2):e==="shadow"&&n&&!(n instanceof t.Shadow)&&(n=new t.Shadow(n)),this[e]=n,this},toggle:function(e){var t=this.get(e);return typeof t=="boolean"&&this.set(e,!t),this},setSourcePath:function(e){return this.sourcePath=e,this},render:function(e,n){if(this.width===0||this.height===0||!this.visible)return;e.save(),this._transform(e,n),this._setStrokeStyles(e),this._setFillStyles(e);var r=this.transformMatrix;r&&this.group&&(e.translate(-this.group.width/2,-this.group.height/2),e.transform(r[0],r[1],r[2],r[3],r[4],r[5])),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e),this._render(e,n),this.clipTo&&e.restore(),this._removeShadow(e),this.active&&!n&&(this.drawBorders(e),this.drawControls(e)),e.restore()},_transform:function(e,t){var n=this.transformMatrix;n&&!this.group&&e.setTransform(n[0],n[1],n[2],n[3],n[4],n[5]),t||this.transform(e)},_setStrokeStyles:function(e){this.stroke&&(e.lineWidth=this.strokeWidth,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin,e.miterLimit=this.strokeMiterLimit,e.strokeStyle=this.stroke.toLive?this.stroke.toLive(e):this.stroke)},_setFillStyles:function(e){this.fill&&(e.fillStyle=this.fill.toLive?this.fill.toLive(e):this.fill)},_setShadow:function(e){if(!this.shadow)return;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur,e.shadowOffsetX=this.shadow.offsetX,e.shadowOffsetY=this.shadow.offsetY},_removeShadow:function(e){e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0},_renderFill:function(e){if(!this.fill)return;this.fill.toLive&&(e.save(),e.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0)),e.fill(),this.fill.toLive&&e.restore(),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e)},_renderStroke:function(e){if(!this.stroke)return;e.save(),this.strokeDashArray?(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),o?(e.setLineDash(this.strokeDashArray),this._stroke&&this._stroke(e)):this._renderDashedStroke&&this._renderDashedStroke(e),e.stroke()):this._stroke?this._stroke(e):e.stroke(),this._removeShadow(e),e.restore()},clone:function(e,n){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(n),e):new t.Object(this.toObject(n))},cloneAsImage:function(e){var n=this.toDataURL();return t.util.loadImage(n,function(n){e&&e(new t.Image(n))}),this},toDataURL:function(e){e||(e={});var n=t.util.createCanvasElement(),r=this.getBoundingRect();n.width=r.width,n.height=r.height,t.util.wrapElement(n,"div");var i=new t.Canvas(n);e.format==="jpg"&&(e.format="jpeg"),e.format==="jpeg"&&(i.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new t.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;i.add(this);var u=i.toDataURL(e);return this.set(s).setCoords(),this.canvas=o,i.dispose(),i=null,u},isType:function(e){return this.type===e},complexity:function(){return 0},toJSON:function(e){return this.toObject(e)},setGradient:function(e,n){n||(n={});var r={colorStops:[]};r.type=n.type||(n.r1||n.r2?"radial":"linear"),r.coords={x1:n.x1,y1:n.y1,x2:n.x2,y2:n.y2};if(n.r1||n.r2)r.coords.r1=n.r1,r.coords.r2=n.r2;for(var i in n.colorStops){var s=new t.Color(n.colorStops[i]);r.colorStops.push({offset:i,color:s.toRgb(),opacity:s.getAlpha()})}return this.set(e,t.Gradient.forObject(this,r))},setPatternFill:function(e){return this.set("fill",new t.Pattern(e))},setShadow:function(e){return this.set("shadow",new t.Shadow(e))},setColor:function(e){return this.set("fill",e),this},centerH:function(){return this.canvas.centerObjectH(this),this},centerV:function(){return this.canvas.centerObjectV(this),this},center:function(){return this.centerH().centerV()},remove:function(){return this.canvas.remove(this)},sendToBack:function(){return this.group?t.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?t.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(e){return this.group?t.StaticCanvas.prototype.sendBackwards.call(this.group,this,e):this.canvas.sendBackwards(this,e),this},bringForward:function(e){return this.group?t.StaticCanvas.prototype.bringForward.call(this.group,this,e):this.canvas.bringForward(this,e),this},moveTo:function(e){return this.group?t.StaticCanvas.prototype.moveTo.call(this.group,this,e):this.canvas.moveTo(this,e),this}}),t.util.createAccessors(t.Object),t.Object.prototype.rotate=t.Object.prototype.setAngle,n(t.Object.prototype,t.Observable),t.Object.NUM_FRACTION_DIGITS=2,t.Object.__uid=0}(typeof exports!="undefined"?exports:this),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{translateToCenterPoint:function(t,n,r){var i=t.x,s=t.y;return n==="left"?i=t.x+(this.getWidth()+this.strokeWidth*this.scaleX)/2:n==="right"&&(i=t.x-(this.getWidth()+this.strokeWidth*this.scaleX)/2),r==="top"?s=t.y+(this.getHeight()+this.strokeWidth*this.scaleY)/2:r==="bottom"&&(s=t.y-(this.getHeight()+this.strokeWidth*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},translateToOriginPoint:function(t,n,r){var i=t.x,s=t.y;return n==="left"?i=t.x-(this.getWidth()+this.strokeWidth*this.scaleX)/2:n==="right"&&(i=t.x+(this.getWidth()+this.strokeWidth*this.scaleX)/2),r==="top"?s=t.y-(this.getHeight()+this.strokeWidth*this.scaleY)/2:r==="bottom"&&(s=t.y+(this.getHeight()+this.strokeWidth*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},getCenterPoint:function(){var e=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(e,this.originX,this.originY)},getPointByOrigin:function(e,t){var n=this.getCenterPoint();return this.translateToOriginPoint(n,e,t)},toLocalPoint:function(t,n,r){var i=this.getCenterPoint(),s,o;return n!==undefined&&r!==undefined?(n==="left"?s=i.x-(this.getWidth()+this.strokeWidth*this.scaleX)/2:n==="right"?s=i.x+(this.getWidth()+this.strokeWidth*this.scaleX)/2:s=i.x,r==="top"?o=i.y-(this.getHeight()+this.strokeWidth*this.scaleY)/2:r==="bottom"?o=i.y+(this.getHeight()+this.strokeWidth*this.scaleY)/2:o=i.y):(s=this.left,o=this.top),fabric.util.rotatePoint(new fabric.Point(t.x,t.y),i,-e(this.angle)).subtractEquals(new fabric.Point(s,o))},setPositionByOrigin:function(e,t,n){var r=this.translateToCenterPoint(e,t,n),i=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",i.x),this.set("top",i.y)},adjustPosition:function(t){var n=e(this.angle),r=this.getWidth()/2,i=Math.cos(n)*r,s=Math.sin(n)*r,o=this.getWidth(),u=Math.cos(n)*o,a=Math.sin(n)*o;this.originX==="center"&&t==="left"||this.originX==="right"&&t==="center"?(this.left-=i,this.top-=s):this.originX==="left"&&t==="center"||this.originX==="center"&&t==="right"?(this.left+=i,this.top+=s):this.originX==="left"&&t==="right"?(this.left+=u,this.top+=a):this.originX==="right"&&t==="left"&&(this.left-=u,this.top-=a),this.setCoords(),this.originX=t},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","center")}})}(),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(e,t){var n=this.oCoords,r=new fabric.Point(n.tl.x,n.tl.y),i=new fabric.Point(n.tr.x,n.tr.y),s=new fabric.Point(n.bl.x,n.bl.y),o=new fabric.Point(n.br.x,n.br.y),u=fabric.Intersection.intersectPolygonRectangle([r,i,o,s],e,t);return u.status==="Intersection"},intersectsWithObject:function(e){function t(e){return{tl:new fabric.Point(e.tl.x,e.tl.y),tr:new fabric.Point(e.tr.x,e.tr.y),bl:new fabric.Point(e.bl.x,e.bl.y),br:new fabric.Point(e.br.x,e.br.y)}}var n=t(this.oCoords),r=t(e.oCoords),i=fabric.Intersection.intersectPolygonPolygon([n.tl,n.tr,n.br,n.bl],[r.tl,r.tr,r.br,r.bl]);return i.status==="Intersection"},isContainedWithinObject:function(e){var t=e.getBoundingRect(),n=new fabric.Point(t.left,t.top),r=new fabric.Point(t.left+t.width,t.top+t.height);return this.isContainedWithinRect(n,r)},isContainedWithinRect:function(e,t){var n=this.getBoundingRect();return n.left>e.x&&n.left+n.width<t.x&&n.top>e.y&&n.top+n.height<t.y},containsPoint:function(e){var t=this._getImageLines(this.oCoords),n=this._findCrossPoints(e,t);return n!==0&&n%2===1},_getImageLines:function(e){return{topline:{o:e.tl,d:e.tr},rightline:{o:e.tr,d:e.br},bottomline:{o:e.br,d:e.bl},leftline:{o:e.bl,d:e.tl}}},_findCrossPoints:function(e,t){var n,r,i,s,o,u,a=0,f;for(var l in t){f=t[l];if(f.o.y<e.y&&f.d.y<e.y)continue;if(f.o.y>=e.y&&f.d.y>=e.y)continue;f.o.x===f.d.x&&f.o.x>=e.x?(o=f.o.x,u=e.y):(n=0,r=(f.d.y-f.o.y)/(f.d.x-f.o.x),i=e.y-n*e.x,s=f.o.y-r*f.o.x,o=-(i-s)/(n-r),u=i+n*o),o>=e.x&&(a+=1);if(a===2)break}return a},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){this.oCoords||this.setCoords();var e=[this.oCoords.tl.x,this.oCoords.tr.x,this.oCoords.br.x,this.oCoords.bl.x],t=fabric.util.array.min(e),n=fabric.util.array.max(e),r=Math.abs(t-n),i=[this.oCoords.tl.y,this.oCoords.tr.y,this.oCoords.br.y,this.oCoords.bl.y],s=fabric.util.array.min(i),o=fabric.util.array.max(i),u=Math.abs(s-o);return{left:t,top:s,width:r,height:u}},getWidth:function(){return this.width*this.scaleX},getHeight:function(){return this.height*this.scaleY},_constrainScale:function(e){return Math.abs(e)<this.minScaleLimit?e<0?-this.minScaleLimit:this.minScaleLimit:e},scale:function(e){return e=this._constrainScale(e),e<0&&(this.flipX=!this.flipX,this.flipY=!this.flipY,e*=-1),this.scaleX=e,this.scaleY=e,this.setCoords(),this},scaleToWidth:function(e){var t=this.getBoundingRectWidth()/this.getWidth();return this.scale(e/this.width/t)},scaleToHeight:function(e){var t=this.getBoundingRectHeight()/this.getHeight();return this.scale(e/this.height/t)},setCoords:function(){var t=this.strokeWidth>1?this.strokeWidth:0,n=this.padding,r=e(this.angle);this.currentWidth=(this.width+t)*this.scaleX+n*2,this.currentHeight=(this.height+t)*this.scaleY+n*2,this.currentWidth<0&&(this.currentWidth=Math.abs(this.currentWidth));var i=Math.sqrt(Math.pow(this.currentWidth/2,2)+Math.pow(this.currentHeight/2,2)),s=Math.atan(isFinite(this.currentHeight/this.currentWidth)?this.currentHeight/this.currentWidth:0),o=Math.cos(s+r)*i,u=Math.sin(s+r)*i,a=Math.sin(r),f=Math.cos(r),l=this.getCenterPoint(),c={x:l.x-o,y:l.y-u},h={x:c.x+this.currentWidth*f,y:c.y+this.currentWidth*a},p={x:h.x-this.currentHeight*a,y:h.y+this.currentHeight*f},d={x:c.x-this.currentHeight*a,y:c.y+this.currentHeight*f},v={x:c.x-this.currentHeight/2*a,y:c.y+this.currentHeight/2*f},m={x:c.x+this.currentWidth/2*f,y:c.y+this.currentWidth/2*a},g={x:h.x-this.currentHeight/2*a,y:h.y+this.currentHeight/2*f},y={x:d.x+this.currentWidth/2*f,y:d.y+this.currentWidth/2*a},b={x:m.x,y:m.y};return this.oCoords={tl:c,tr:h,br:p,bl:d,ml:v,mt:m,mr:g,mb:y,mtr:b},this._setCornerCoords&&this._setCornerCoords(),this}})}(),fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return this.stateProperties.some(function(e){return this.get(e)!==this.originalState[e]},this)},saveState:function(e){return this.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),e&&e.stateProperties&&e.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),this},setupState:function(){return this.originalState={},this.saveState(),this}}),function(){var e=fabric.util.getPointer,t=fabric.util.degreesToRadians,n=typeof G_vmlCanvasManager!="undefined";fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t,n){if(!this.hasControls||!this.active)return!1;var r=e(t,this.canvas.upperCanvasEl),i=r.x-n.left,s=r.y-n.top,o,u;for(var a in this.oCoords){if(!this.isControlVisible(a))continue;if(a==="mtr"&&!this.hasRotatingPoint)continue;if(!(!this.get("lockUniScaling")||a!=="mt"&&a!=="mr"&&a!=="mb"&&a!=="ml"))continue;u=this._getImageLines(this.oCoords[a].corner),o=this._findCrossPoints({x:i,y:s},u);if(o!==0&&o%2===1)return this.__corner=a,a}return!1},_setCornerCoords:function(){var e=this.oCoords,n=t(this.angle),r=t(45-this.angle),i=Math.sqrt(2*Math.pow(this.cornerSize
+,2))/2,s=i*Math.cos(r),o=i*Math.sin(r),u=Math.sin(n),a=Math.cos(n);e.tl.corner={tl:{x:e.tl.x-o,y:e.tl.y-s},tr:{x:e.tl.x+s,y:e.tl.y-o},bl:{x:e.tl.x-s,y:e.tl.y+o},br:{x:e.tl.x+o,y:e.tl.y+s}},e.tr.corner={tl:{x:e.tr.x-o,y:e.tr.y-s},tr:{x:e.tr.x+s,y:e.tr.y-o},br:{x:e.tr.x+o,y:e.tr.y+s},bl:{x:e.tr.x-s,y:e.tr.y+o}},e.bl.corner={tl:{x:e.bl.x-o,y:e.bl.y-s},bl:{x:e.bl.x-s,y:e.bl.y+o},br:{x:e.bl.x+o,y:e.bl.y+s},tr:{x:e.bl.x+s,y:e.bl.y-o}},e.br.corner={tr:{x:e.br.x+s,y:e.br.y-o},bl:{x:e.br.x-s,y:e.br.y+o},br:{x:e.br.x+o,y:e.br.y+s},tl:{x:e.br.x-o,y:e.br.y-s}},e.ml.corner={tl:{x:e.ml.x-o,y:e.ml.y-s},tr:{x:e.ml.x+s,y:e.ml.y-o},bl:{x:e.ml.x-s,y:e.ml.y+o},br:{x:e.ml.x+o,y:e.ml.y+s}},e.mt.corner={tl:{x:e.mt.x-o,y:e.mt.y-s},tr:{x:e.mt.x+s,y:e.mt.y-o},bl:{x:e.mt.x-s,y:e.mt.y+o},br:{x:e.mt.x+o,y:e.mt.y+s}},e.mr.corner={tl:{x:e.mr.x-o,y:e.mr.y-s},tr:{x:e.mr.x+s,y:e.mr.y-o},bl:{x:e.mr.x-s,y:e.mr.y+o},br:{x:e.mr.x+o,y:e.mr.y+s}},e.mb.corner={tl:{x:e.mb.x-o,y:e.mb.y-s},tr:{x:e.mb.x+s,y:e.mb.y-o},bl:{x:e.mb.x-s,y:e.mb.y+o},br:{x:e.mb.x+o,y:e.mb.y+s}},e.mtr.corner={tl:{x:e.mtr.x-o+u*this.rotatingPointOffset,y:e.mtr.y-s-a*this.rotatingPointOffset},tr:{x:e.mtr.x+s+u*this.rotatingPointOffset,y:e.mtr.y-o-a*this.rotatingPointOffset},bl:{x:e.mtr.x-s+u*this.rotatingPointOffset,y:e.mtr.y+o-a*this.rotatingPointOffset},br:{x:e.mtr.x+o+u*this.rotatingPointOffset,y:e.mtr.y+s-a*this.rotatingPointOffset}}},drawBorders:function(e){if(!this.hasBorders)return this;var t=this.padding,n=t*2,r=~~(this.strokeWidth/2)*2;e.save(),e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=this.borderColor;var i=1/this._constrainScale(this.scaleX),s=1/this._constrainScale(this.scaleY);e.lineWidth=1/this.borderScaleFactor,e.scale(i,s);var o=this.getWidth(),u=this.getHeight();e.strokeRect(~~(-(o/2)-t-r/2*this.scaleX)-.5,~~(-(u/2)-t-r/2*this.scaleY)-.5,~~(o+n+r*this.scaleX)+1,~~(u+n+r*this.scaleY)+1);if(this.hasRotatingPoint&&this.isControlVisible("mtr")&&!this.get("lockRotation")&&this.hasControls){var a=(this.flipY?u+r*this.scaleY+t*2:-u-r*this.scaleY-t*2)/2;e.beginPath(),e.moveTo(0,a),e.lineTo(0,a+(this.flipY?this.rotatingPointOffset:-this.rotatingPointOffset)),e.closePath(),e.stroke()}return e.restore(),this},drawControls:function(e){if(!this.hasControls)return this;var t=this.cornerSize,n=t/2,r=~~(this.strokeWidth/2),i=-(this.width/2),s=-(this.height/2),o=this.padding/this.scaleX,u=this.padding/this.scaleY,a=n/this.scaleY,f=n/this.scaleX,l=(n-t)/this.scaleX,c=(n-t)/this.scaleY,h=this.height,p=this.width,d=this.transparentCorners?"strokeRect":"fillRect";return e.save(),e.lineWidth=1/Math.max(this.scaleX,this.scaleY),e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=e.fillStyle=this.cornerColor,this._drawControl("tl",e,d,i-f-r-o,s-a-r-u),this._drawControl("tr",e,d,i+p-f+r+o,s-a-r-u),this._drawControl("tr",e,d,i-f-r-o,s+h+c+r+u),this._drawControl("br",e,d,i+p+l+r+o,s+h+c+r+u),this.get("lockUniScaling")||(this._drawControl("mt",e,d,i+p/2-f,s-a-r-u),this._drawControl("mb",e,d,i+p/2-f,s+h+c+r+u),this._drawControl("mb",e,d,i+p+l+r+o,s+h/2-a),this._drawControl("ml",e,d,i-f-r-o,s+h/2-a)),this.hasRotatingPoint&&this._drawControl("mtr",e,d,i+p/2-f,this.flipY?s+h+this.rotatingPointOffset/this.scaleY-this.cornerSize/this.scaleX/2+r+u:s-this.rotatingPointOffset/this.scaleY-this.cornerSize/this.scaleY/2-r-u),e.restore(),this},_drawControl:function(e,t,r,i,s){var o=this.cornerSize/this.scaleX,u=this.cornerSize/this.scaleY;this.isControlVisible(e)&&(n||this.transparentCorners||t.clearRect(i,s,o,u),t[r](i,s,o,u))},isControlVisible:function(e){return this._getControlsVisibility()[e]},setControlVisible:function(e,t){return this._getControlsVisibility()[e]=t,this},setControlsVisibility:function(e){e||(e={});for(var t in e)this.setControlVisible(t,e[t]);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(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("left"),endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(t){e.set("left",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxCenterObjectV:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("top"),endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(t){e.set("top",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxRemove:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("opacity"),endValue:0,duration:this.FX_DURATION,onStart:function(){e.set("active",!1)},onChange:function(t){e.set("opacity",t),s.renderAll(),i()},onComplete:function(){s.remove(e),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&typeof arguments[0]=="object"){var e=[],t,n;for(t in arguments[0])e.push(t);for(var r=0,i=e.length;r<i;r++)t=e[r],n=r!==i-1,this._animate(t,arguments[0][t],arguments[1],n)}else this._animate.apply(this,arguments);return this},_animate:function(e,t,n,r){var i=this,s;t=t.toString(),n?n=fabric.util.object.clone(n):n={},~e.indexOf(".")&&(s=e.split("."));var o=s?this.get(s[0])[s[1]]:this.get(e);"from"in n||(n.from=o),~t.indexOf("=")?t=o+parseFloat(t.replace("=","")):t=parseFloat(t),fabric.util.animate({startValue:n.from,endValue:t,byValue:n.by,easing:n.easing,duration:n.duration,abort:n.abort&&function(){return n.abort.call(i)},onChange:function(t){s?i[s[0]][s[1]]=t:i.set(e,t);if(r)return;n.onChange&&n.onChange()},onComplete:function(){if(r)return;i.setCoords(),n.onComplete&&n.onComplete()}})}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r={x1:1,x2:1,y1:1,y2:1},i=t.StaticCanvas.supports("setLineDash");if(t.Line){t.warn("fabric.Line is already defined");return}t.Line=t.util.createClass(t.Object,{type:"line",initialize:function(e,t){t=t||{},e||(e=[0,0,0,0]),this.callSuper("initialize",t),this.set("x1",e[0]),this.set("y1",e[1]),this.set("x2",e[2]),this.set("y2",e[3]),this._setWidthHeight(t)},_setWidthHeight:function(e){e||(e={}),this.set("width",Math.abs(this.x2-this.x1)||1),this.set("height",Math.abs(this.y2-this.y1)||1),this.set("left","left"in e?e.left:Math.min(this.x1,this.x2)+this.width/2),this.set("top","top"in e?e.top:Math.min(this.y1,this.y2)+this.height/2)},_set:function(e,t){return this[e]=t,e in r&&this._setWidthHeight(),this},_render:function(e){e.beginPath();var t=this.group&&this.group.type!=="group";t&&!this.transformMatrix&&e.translate(-this.group.width/2+this.left,-this.group.height/2+this.top);if(!this.strokeDashArray||this.strokeDashArray&&i){var n=this.x1<=this.x2?-1:1,r=this.y1<=this.y2?-1:1;e.moveTo(this.width===1?0:n*this.width/2,this.height===1?0:r*this.height/2),e.lineTo(this.width===1?0:n*-1*this.width/2,this.height===1?0:r*-1*this.height/2)}e.lineWidth=this.strokeWidth;var s=e.strokeStyle;e.strokeStyle=this.stroke||e.fillStyle,this._renderStroke(e),e.strokeStyle=s},_renderDashedStroke:function(e){var n=this.x1<=this.x2?-1:1,r=this.y1<=this.y2?-1:1,i=this.width===1?0:n*this.width/2,s=this.height===1?0:r*this.height/2;e.beginPath(),t.util.drawDashedLine(e,i,s,-i,-s,this.strokeDashArray),e.closePath()},toObject:function(e){return n(this.callSuper("toObject",e),{x1:this.get("x1"),y1:this.get("y1"),x2:this.get("x2"),y2:this.get("y2")})},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<line ",'x1="',this.get("x1"),'" y1="',this.get("y1"),'" x2="',this.get("x2"),'" y2="',this.get("y2"),'" style="',this.getSvgStyles(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Line.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),t.Line.fromElement=function(e,r){var i=t.parseAttributes(e,t.Line.ATTRIBUTE_NAMES),s=[i.x1||0,i.y1||0,i.x2||0,i.y2||0];return new t.Line(s,n(i,r))},t.Line.fromObject=function(e){var n=[e.x1,e.y1,e.x2,e.y2];return new t.Line(n,e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function i(e){return"radius"in e&&e.radius>0}var t=e.fabric||(e.fabric={}),n=Math.PI*2,r=t.util.object.extend;if(t.Circle){t.warn("fabric.Circle is already defined.");return}t.Circle=t.util.createClass(t.Object,{type:"circle",initialize:function(e){e=e||{},this.set("radius",e.radius||0),this.callSuper("initialize",e)},_set:function(e,t){return this.callSuper("_set",e,t),e==="radius"&&this.setRadius(t),this},toObject:function(e){return r(this.callSuper("toObject",e),{radius:this.get("radius")})},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<circle ",'cx="0" cy="0" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},_render:function(e,t){e.beginPath(),e.globalAlpha=this.group?e.globalAlpha*this.opacity:this.opacity,e.arc(t?this.left:0,t?this.top:0,this.radius,0,n,!1),e.closePath(),this._renderFill(e),this._renderStroke(e)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(e){this.radius=e,this.set("width",e*2).set("height",e*2)},complexity:function(){return 1}}),t.Circle.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),t.Circle.fromElement=function(e,n){n||(n={});var s=t.parseAttributes(e,t.Circle.ATTRIBUTE_NAMES);if(!i(s))throw new Error("value of `r` attribute is required and can not be negative");"left"in s&&(s.left-=n.width/2||0),"top"in s&&(s.top-=n.height/2||0);var o=new t.Circle(r(s,n));return o.cx=parseFloat(e.getAttribute("cx"))||0,o.cy=parseFloat(e.getAttribute("cy"))||0,o},t.Circle.fromObject=function(e){return new t.Circle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Triangle){t.warn("fabric.Triangle is already defined");return}t.Triangle=t.util.createClass(t.Object,{type:"triangle",initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("width",e.width||100).set("height",e.height||100)},_render:function(e){var t=this.width/2,n=this.height/2;e.beginPath(),e.moveTo(-t,n),e.lineTo(0,-n),e.lineTo(t,n),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=this.width/2,r=this.height/2;e.beginPath(),t.util.drawDashedLine(e,-n,r,0,-r,this.strokeDashArray),t.util.drawDashedLine(e,0,-r,n,r,this.strokeDashArray),t.util.drawDashedLine(e,n,r,-n,r,this.strokeDashArray),e.closePath()},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=this.width/2,r=this.height/2,i=[-n+" "+r,"0 "+ -r,n+" "+r].join(",");return t.push("<polygon ",'points="',i,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Triangle.fromObject=function(e){return new t.Triangle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=Math.PI*2,r=t.util.object.extend;if(t.Ellipse){t.warn("fabric.Ellipse is already defined.");return}t.Ellipse=t.util.createClass(t.Object,{type:"ellipse",rx:0,ry:0,initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("rx",e.rx||0),this.set("ry",e.ry||0),this.set("width",this.get("rx")*2),this.set("height",this.get("ry")*2)},toObject:function(e){return r(this.callSuper("toObject",e),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<ellipse ",'rx="',this.get("rx"),'" ry="',this.get("ry"),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},render:function(e,t){if(this.rx===0||this.ry===0)return;return this.callSuper("render",e,t)},_render:function(e,t){e.beginPath(),e.save(),e.globalAlpha=this.group?e.globalAlpha*this.opacity:this.opacity,this.transformMatrix&&this.group&&e.translate(this.cx,this.cy),e.transform(1,0,0,this.ry/this.rx,0,0),e.arc(t?this.left:0,t?this.top:0,this.rx,0,n,!1),this._renderFill(e),this._renderStroke(e),e.restore()},complexity:function(){return 1}}),t.Ellipse.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),t.Ellipse.fromElement=function(e,n){n||(n={});var i=t.parseAttributes(e,t.Ellipse.ATTRIBUTE_NAMES),s=i.left,o=i.top;"left"in i&&(i.left-=n.width/2||0),"top"in i&&(i.top-=n.height/2||0);var u=new t.Ellipse(r(i,n));return u.cx=s||0,u.cy=o||0,u},t.Ellipse.fromObject=function(e){return new t.Ellipse(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function i(e){return e.left=e.left||0,e.top=e.top||0,e}var t=e.fabric||(e.fabric={}),n=t.util.object.extend;if(t.Rect){console.warn("fabric.Rect is already defined");return}var r=t.Object.prototype.stateProperties.concat();r.push("rx","ry","x","y"),t.Rect=t.util.createClass(t.Object,{stateProperties:r,type:"rect",rx:0,ry:0,x:0,y:0,strokeDashArray:null,initialize:function(e){e=e||{},this.callSuper("initialize",e),this._initRxRy(),this.x=e.x||0,this.y=e.y||0},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(e){var t=this.rx||0,n=this.ry||0,r=-this.width/2,i=-this.height/2,s=this.width,o=this.height,u=this.group&&this.group.type!=="group";e.beginPath(),e.globalAlpha=u?e.globalAlpha*this.opacity:this.opacity,this.transformMatrix&&u&&e.translate(this.width/2+this.x,this.height/2+this.y),!this.transformMatrix&&u&&e.translate(-this.group.width/2+this.width/2+this.x,-this.group.height/2+this.height/2+this.y);var a=t!==0||n!==0;e.moveTo(r+t,i),e.lineTo(r+s-t,i),a&&e.quadraticCurveTo(r+s,i,r+s,i+n,r+s,i+n),e.lineTo(r+s,i+o-n),a&&e.quadraticCurveTo(r+s,i+o,r+s-t,i+o,r+s-t,i+o),e.lineTo(r+t,i+o),a&&e.quadraticCurveTo(r,i+o,r,i+o-n,r,i+o-n),e.lineTo(r,i+n),a&&e.quadraticCurveTo(r,i,r+t,i,r+t,i),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=-this.width/2,r=-this.height/2,i=this.width,s=this.height;e.beginPath(),t.util.drawDashedLine(e,n,r,n+i,r,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r,n+i,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r+s,n,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n,r+s,n,r,this.strokeDashArray),e.closePath()},_normalizeLeftTopProperties:function(e){return"left"in e&&this.set("left",e.left+this.getWidth()/2),this.set("x",e.left||0),"top"in e&&this.set("top",e.top+this.getHeight()/2),this.set("y",e.top||0),this},toObject:function(e){var t=n(this.callSuper("toObject",e),{rx:this.get("rx")||0,ry:this.get("ry")||0,x:this.get("x"),y:this.get("y")});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=this._createBaseSVGMarkup();return t.push("<rect ",'x="',-1*this.width/2,'" y="',-1*this.height/2,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Rect.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),t.Rect.fromElement=function(e,r){if(!e)return null;var s=t.parseAttributes(e,t.Rect.ATTRIBUTE_NAMES);s=i(s);var o=new t.Rect(n(r?t.util.object.clone(r):{},s));return o._normalizeLeftTopProperties(s),o},t.Rect.fromObject=function(e){return new t.Rect(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.toFixed;if(t.Polyline){t.warn("fabric.Polyline is already defined");return}t.Polyline=t.util.createClass(t.Object,{type:"polyline",initialize:function(e,t,n){t=t||{},this.set("points",e),this.callSuper("initialize",t),this._calcDimensions(n)},_calcDimensions:function(e){return t.Polygon.prototype._calcDimensions.call(this,e)},toObject:function(e){return t.Polygon.prototype.toObject.call(this,e)},toSVG:function(e){var t=[],r=this._createBaseSVGMarkup();for(var i=0,s=this.points.length;i<s;i++)t.push(n(this.points[i].x,2),",",n(this.points[i].y,2)," ");return r.push("<polyline ",'points="',t.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(r.join("")):r.join("")},_render:function(e){var t;e.beginPath(),e.moveTo(this.points[0].x,this.points[0].y);for(var n=0,r=this.points.length;n<r;n++)t=this.points[n],e.lineTo(t.x,t.y);this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n,r;e.beginPath();for(var i=0,s=this.points.length;i<s;i++)n=this.points[i],r=this.points[i+1]||n,t.util.drawDashedLine(e,n.x,n.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),t.Polyline.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polyline.fromElement=function(e,n){if(!e)return null;n||(n={});var r=t.parsePointsAttribute(e.getAttribute("points")),i=t.parseAttributes(e,t.Polyline.ATTRIBUTE_NAMES);return t.util.normalizePoints(r,n),new t.Polyline(r,t.util.object.extend(i,n),!0)},t.Polyline.fromObject=function(e){var n=e.points;return new t.Polyline(n,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.toFixed;if(t.Polygon){t.warn("fabric.Polygon is already defined");return}t.Polygon=t.util.createClass(t.Object,{type:"polygon",initialize:function(e,t,n){t=t||{},this.points=e,this.callSuper("initialize",t),this._calcDimensions(n)},_calcDimensions:function(e){var t=this.points,n=r(t,"x"),s=r(t,"y"),o=i(t,"x"),u=i(t,"y");this.width=o-n||1,this.height=u-s||1,this.minX=n,this.minY=s;if(e)return;var a=this.width/2+this.minX,f=this.height/2+this.minY;this.points.forEach(function(e){e.x-=a,e.y-=f},this)},toObject:function(e){return n(this.callSuper("toObject",e),{points:this.points.concat()})},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup();for(var r=0,i=this.points.length;r<i;r++)t.push(s(this.points[r].x,2),",",s(this.points[r].y,2)," ");return n.push("<polygon ",'points="',t.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(n.join("")):n.join("")},_render:function(e){var t;e.beginPath(),e.moveTo(this.points[0].x,this.points[0].y);for(var n=0,r=this.points.length;n<r;n++)t=this.points[n],e.lineTo(t.x,t.y);this._renderFill(e);if(this.stroke||this.strokeDashArray)e.closePath(),this._renderStroke(e)},_renderDashedStroke:function(e){var n,r;e.beginPath();for(var i=0,s=this.points.length;i<s;i++)n=this.points[i],r=this.points[i+1]||this.points[0],t.util.drawDashedLine(e,n.x,n.y,r.x,r.y,this.strokeDashArray);e.closePath()},complexity:function(){return this.points.length}}),t.Polygon.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polygon.fromElement=function(e,r){if(!e)return null;r||(r={});var i=t.parsePointsAttribute(e.getAttribute("points")),s=t.parseAttributes(e,t.Polygon.ATTRIBUTE_NAMES);return t.util.normalizePoints(i,r),new t.Polygon(i,n(s,r),!0)},t.Polygon.fromObject=function(e){return new t.Polygon(e.points,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){function a(e){return e[0]==="H"?e[1]:e[e.length-2]}function f(e){return e[0]==="V"?e[1]:e[e.length-1]}var t={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7};"use strict";var n=e.fabric||(e.fabric={}),r=n.util.array.min,i=n.util.array.max,s=n.util.object.extend,o=Object.prototype.toString,u=n.util.drawArc;if(n.Path){n.warn("fabric.Path is already defined");return}n.Path=n.util.createClass(n.Object,{type:"path",initialize:function(e,t){t=t||{},this.setOptions(t);if(!e)throw new Error("`path` argument is required");var n=o.call(e)==="[object Array]";this.path=n?e:e.match&&e.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi);if(!this.path)return;n||(this.path=this._parsePath()),this._initializePath(t),t.sourcePath&&this.setSourcePath(t.sourcePath)},_initializePath:function(e){var t="width"in e&&e.width!=null,n="height"in e&&e.width!=null,r="left"in e,i="top"in e,o=r?this.left:0,u=i?this.top:0;!t||!n?(s(this,this._parseDimensions()),t&&(this.width=e.width),n&&(this.height=e.height)):(i||(this.top=this.height/2),r||(this.left=this.width/2)),this.pathOffset=this.pathOffset||this._calculatePathOffset(o,u)},_calculatePathOffset:function(e,t){return{x:this.left-e-this.width/2,y:this.top-t-this.height/2}},_render:function(e){var t,n=null,r=0,i=0,s=0,o=0,a,f,l,c,h=-(this.width/2+this.pathOffset.x),p=-(this.height/2+this.pathOffset.y);for(var d=0,v=this.path.length;d<v;++d){t=this.path[d];switch(t[0]){case"l":r+=t[1],i+=t[2],e.lineTo(r+h,i+p);break;case"L":r=t[1],i=t[2],e.lineTo(r+h,i+p);break;case"h":r+=t[1],e.lineTo(r+h,i+p);break;case"H":r=t[1],e.lineTo(r+h,i+p);break;case"v":i+=t[1],e.lineTo(r+h,i+p);break;case"V":i=t[1],e.lineTo(r+h,i+p);break;case"m":r+=t[1],i+=t[2],e[!n||n[0]!=="m"&&n[0]!=="M"?"moveTo":"lineTo"](r+h,i+p);break;case"M":r=t[1],i=t[2],e[!n||n[0]!=="m"&&n[0]!=="M"?"moveTo":"lineTo"](r+h,i+p);break;case"c":a=r+t[5],f=i+t[6],s=r+t[3],o=i+t[4],e.bezierCurveTo(r+t[1]+h,i+t[2]+p,s+h,o+p,a+h,f+p),r=a,i=f;break;case"C":r=t[5],i=t[6],s=t[3],o=t[4],e.bezierCurveTo(t[1]+h,t[2]+p,s+h,o+p,r+h,i+p);break;case"s":a=r+t[3],f=i+t[4],s=s?2*r-s:r,o=o?2*i-o:i,e.bezierCurveTo(s+h,o+p,r+t[1]+h,i+t[2]+p,a+h,f+p),s=r+t[1],o=i+t[2],r=a,i=f;break;case"S":a=t[3],f=t[4],s=2*r-s,o=2*i-o,e.bezierCurveTo(s+h,o+p,t[1]+h,t[2]+p,a+h,f+p),r=a,i=f,s=t[1],o=t[2];break;case"q":a=r+t[3],f=i+t[4],s=r+t[1],o=i+t[2],e.quadraticCurveTo(s+h,o+p,a+h,f+p),r=a,i=f;break;case"Q":a=t[3],f=t[4],e.quadraticCurveTo(t[1]+h,t[2]+p,a+h,f+p),r=a,i=f,s=t[1],o=t[2];break;case"t":a=r+t[1],f=i+t[2],n[0].match(/[QqTt]/)===null?(s=r,o=i):n[0]==="t"?(s=2*r-l,o=2*i-c):n[0]==="q"&&(s=2*r-s,o=2*i-o),l=s,c=o,e.quadraticCurveTo(s+h,o+p,a+h,f+p),r=a,i=f,s=r+t[1],o=i+t[2];break;case"T":a=t[1],f=t[2],s=2*r-s,o=2*i-o,e.quadraticCurveTo(s+h,o+p,a+h,f+p),r=a,i=f;break;case"a":u(e,r+h,i+p,[t[1],t[2],t[3],t[4],t[5],t[6]+r+h,t[7]+i+p]),r+=t[6],i+=t[7];break;case"A":u(e,r+h,i+p,[t[1],t[2],t[3],t[4],t[5],t[6]+h,t[7]+p]),r=t[6],i=t[7];break;case"z":case"Z":e.closePath()}n=t}},render:function(e,t){if(!this.visible)return;e.save();var r=this.transformMatrix;r&&e.transform(r[0],r[1],r[2],r[3],r[4],r[5]),t||this.transform(e),this._setStrokeStyles(e),this._setFillStyles(e),this._setShadow(e),this.clipTo&&n.util.clipContext(this,e),e.beginPath(),this._render(e),this._renderFill(e),this._renderStroke(e),this.clipTo&&e.restore(),this._removeShadow(e),!t&&this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore()},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(e){var t=s(this.callSuper("toObject",e),{path:this.path,pathOffset:this.pathOffset});return this.sourcePath&&(t.sourcePath=this.sourcePath),this.transformMatrix&&(t.transformMatrix=this.transformMatrix),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.path=this.sourcePath),delete t.sourcePath,t},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup();for(var r=0,i=this.path.length;r<i;r++)t.push(this.path[r].join(" "));var s=t.join(" ");return n.push('<g transform="',this.group?"":this.getSvgTransform(),'">',"<path ",'d="',s,'" style="',this.getSvgStyles(),'" transform="translate(',-this.width/2," ",-this.height/2,")",'" stroke-linecap="round" ',"/>","</g>"),e?e(n.join("")):n.join("")},complexity:function(){return this.path.length},_parsePath:function(){var e=[],n=[],r,i,s=/(-?\.\d+)|(-?\d+(\.\d+)?)/g,o,u;for(var a=0,f,l=this.path.length;a<l;a++){r=this.path[a],u=r.slice(1).trim(),n.length=0;while(o=s.exec(u))n.push(o[0]);f=[r.charAt(0)];for(var c=0,h=n.length;c<h;c++)i=parseFloat(n[c]),isNaN(i)||f.push(i);var p=f[0].toLowerCase(),d=t[p];if(f.length-1>d)for(var v=1,m=f.length;v<m;v+=d)e.push([f[0]].concat(f.slice(v,v+d)));else e.push(f)}return e},_parseDimensions:function(){var e=[],t=[],n={};this.path.forEach(function(r,i){this._getCoordsFromCommand(r,i,e,t,n)},this);var s=r(e),o=r(t),u=i(e),a=i(t),f=u-s,l=a-o,c={left:this.left+(s+f/2),top:this.top+(o+l/2),width:f,height:l};return c},_getCoordsFromCommand:function(e,t,n,r,i){var s=!1;e[0]!=="H"&&(i.x=t===0?a(e):a(this.path[t-1])),e[0]!=="V"&&(i.y=t===0?f(e):f(this.path[t-1])),e[0]===e[0].toLowerCase()&&(s=!0);var o=this._getXY(e,s,i),u=parseInt(o.x,10);isNaN(u)||n.push(u),u=parseInt(o.y,10),isNaN(u)||r.push(u)},_getXY:function(e,t,n){var r=t?n.x+a(e):e[0]==="V"?n.x:a(e),i=t?n.y+f(e):e[0]==="H"?n.y:f(e);return{x:r,y:i}}}),n.Path.fromObject=function(e,t){typeof e.path=="string"?n.loadSVGFromURL(e.path,function(r){var i=r[0],s=e.path;delete e.path,n.util.object.extend(i,e),i.setSourcePath(s),t(i)}):t(new n.Path(e.path,e))},n.Path.ATTRIBUTE_NAMES=n.SHARED_ATTRIBUTES.concat(["d"]),n.Path.fromElement=function(e,t,r){var i=n.parseAttributes(e,n.Path.ATTRIBUTE_NAMES);t&&t(new n.Path(i.d,s(i,r)))},n.Path.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.invoke,i=t.Object.prototype.toObject;if(t.PathGroup){t.warn("fabric.PathGroup is already defined");return}t.PathGroup=t.util.createClass(t.Path,{type:"path-group",fill:"",initialize:function(e,t){t=t||{},this.paths=e||[];for(var n=this.paths.length;n--;)this.paths[n].group=this;this.setOptions(t),this.setCoords(),t.sourcePath&&this.setSourcePath(t.sourcePath)},render:function(e){if(!this.visible)return;e.save();var n=this.transformMatrix;n&&e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),this.transform(e),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e);for(var r=0,i=this.paths.length;r<i;++r)this.paths[r].render(e,!0);this.clipTo&&e.restore(),this._removeShadow(e),this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore()},_set:function(e,t){if(e==="fill"&&t&&this.isSameColor()){var n=this.paths.length;while(n--)this.paths[n]._set(e,t)}return this.callSuper("_set",e,t)},toObject:function(e){var t=n(i.call(this,e),{paths:r(this.getObjects(),"toObject",e)});return this.sourcePath&&(t.sourcePath=this.sourcePath),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.paths=this.sourcePath),t},toSVG:function(e){var t=this.getObjects(),n=["<g ",'style="',this.getSvgStyles(),'" ','transform="',this.getSvgTransform(),'" ',">"];for(var r=0,i=t.length;r<i;r++)n.push(t[r].toSVG(e));return n.push("</g>"),e?e(n.join("")):n.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var e=this.getObjects()[0].get("fill");return this.getObjects().every(function(t){return t.get("fill")===e})},complexity:function(){return this.paths.reduce(function(e,t){return e+(t&&t.complexity?t.complexity():0)},0)},getObjects:function(){return this.paths}}),t.PathGroup.fromObject=function(e,n){typeof e.paths=="string"?t.loadSVGFromURL(e.paths,function(r){var i=e.paths;delete e.paths;var s=t.util.groupSVGElements(r,e,i);n(s)}):t.util.enlivenObjects(e.paths,function(r){delete e.paths,n(new t.PathGroup(r,e))})},t.PathGroup.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.array.invoke;if(t.Group)return;var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};t.Group=t.util.createClass(t.Object,t.Collection,{type:"group",initialize:function(e,t){t=t||{},this._objects=e||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;this.originalState={},this.callSuper("initialize"),this._calcBounds(),this._updateObjectsCoords(),t&&n(this,t),this._setOpacityIfSame(),this.setCoords(!0),this.saveCoords()},_updateObjectsCoords:function(){this.forEachObject(this._updateObjectCoords,this)},_updateObjectCoords:function(e){var t=e.getLeft(),n=e.getTop();e.set({originalLeft:t,originalTop:n,left:t-this.left,top:n-this.top}),e.setCoords(),e.__origHasControls=e.hasControls,e.hasControls=!1},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(e){return this._restoreObjectsState(),this._objects.push(e),e.group=this,this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(e){e.set("active",!0),e.group=this},removeWithUpdate:function(e){return this._moveFlippedObject(e),this._restoreObjectsState(),this.forEachObject(this._setObjectActive,this),this.remove(e),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(e){e.group=this},_onObjectRemoved:function(e){delete e.group,e.set("active",!1)},delegatedProperties:{fill:!0,opacity:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(e,t){if(e in this.delegatedProperties){var n=this._objects.length;this[e]=t;while(n--)this._objects[n].set(e,t)}else this[e]=t},toObject:function(e){return n(this.callSuper("toObject",e),{objects:s(this._objects,"toObject",e)})},render:function(e,n){if(!this.visible)return;e.save(),this.transform(e),this.clipTo&&t.util.clipContext(this,e);for(var r=0,i=this._objects.length;r<i;r++)this._renderObject(this._objects[r],e);this.clipTo&&e.restore(),!n&&this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore(),this.setCoords()},_renderObject:function(e,t){var n=e.borderScaleFactor,r=e.hasRotatingPoint,i=Math.max(this.scaleX,this.scaleY);if(!e.visible)return;e.borderScaleFactor=i,e.hasRotatingPoint=!1,e.render(t),e.borderScaleFactor=n,e.hasRotatingPoint=r},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},_moveFlippedObject:function(e){var t=e.get("originX"),n=e.get("originY"),r=e.getCenterPoint();e.set({originX:"center",originY:"center",left:r.x,top:r.y}),this._toggleFlipping(e);var i=e.getPointByOrigin(t,n);return e.set({originX:t,originY:n,left:i.x,top:i.y}),this},_toggleFlipping:function(e){this.flipX&&(e.toggle("flipX"),e.set("left",-e.get("left")),e.setAngle(-e.getAngle())),this.flipY&&(e.toggle("flipY"),e.set("top",-e.get("top")),e.setAngle(-e.getAngle()))},_restoreObjectState:function(e){return this._setObjectPosition(e),e.setCoords(),e.hasControls=e.__origHasControls,delete e.__origHasControls,e.set("active",!1),e.setCoords(),delete e.group,this},_setObjectPosition:function(e){var t=this.getLeft(),n=this.getTop(),r=this._getRotatedLeftTop(e);e.set({angle:e.getAngle()+this.getAngle(),left:t+r.left,top:n+r.top,scaleX:e.get("scaleX")*this.get("scaleX"),scaleY:e.get("scaleY")*this.get("scaleY")})},_getRotatedLeftTop:function(e){var t=this.getAngle()*(Math.PI/180);return{left:-Math.sin(t)*e.getTop()*this.get("scaleY")+Math.cos(t)*e.getLeft()*this.get("scaleX"),top:Math.cos(t)*e.getTop()*this.get("scaleY")+Math.sin(t)*e.getLeft()*this.get("scaleX")}},destroy:function(){return this._objects.forEach(this._moveFlippedObject,this),this._restoreObjectsState()},saveCoords:function(){return this._originalLeft=this.get("left"),this._originalTop=this.get("top"),this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){return this.forEachObject(function(e){e.setCoords()}),this},_setOpacityIfSame:function(){var e=this.getObjects(),t=e[0]?e[0].get("opacity"):1,n=e.every(function(e){return e.get("opacity")===t});n&&(this.opacity=t)},_calcBounds:function(){var e=[],t=[],n;for(var r=0,i=this._objects.length;r<i;++r){n=this._objects[r],n.setCoords();for(var s in n.oCoords)e.push(n.oCoords[s].x),t.push(n.oCoords[s].y)}this.set(this._getBounds(e,t))},_getBounds:function(e,t){var n=r(e),s=i(e),o=r(t),u=i(t),a=s-n||0,f=u-o||0;return{width:a,height:f,left:n+a/2||0,top:o+f/2||0}},toSVG:function(e){var t=["<g ",'transform="',this.getSvgTransform(),'">'];for(var n=0,r=this._objects.length;n<r;n++)t.push(this._objects[n].toSVG(e));return t.push("</g>"),e?e(t.join("")):t.join("")},get:function(e){if(e in o){if(this[e])return this[e];for(var t=0,n=this._objects.length;t<n;t++)if(this._objects[t][e])return!0;return!1}return e in this.delegatedProperties?this._objects[0]&&this._objects[0].get(e):this[e]}}),t.Group.fromObject=function(e,n){t.util.enlivenObjects(e.objects,function(r){delete e.objects,n&&n(new t.Group(r,e))})},t.Group.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=fabric.util.object.extend;e.fabric||(e.fabric={});if(e.fabric.Image){fabric.warn("fabric.Image is already defined.");return}fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",initialize:function(e,t){t||(t={}),this.filters=[],this.callSuper("initialize"
+,t),this._initElement(e,t),this._initConfig(t),t.filters&&(this.filters=t.filters,this.applyFilters())},getElement:function(){return this._element},setElement:function(e,t){return this._element=e,this._originalElement=e,this._initConfig(),this.filters.length!==0&&this.applyFilters(t),this},setCrossOrigin:function(e){return this.crossOrigin=e,this._element.crossOrigin=e,this},getOriginalSize:function(){var e=this.getElement();return{width:e.width,height:e.height}},render:function(e,t){if(!this.visible)return;e.save();var n=this.transformMatrix,r=this.group&&this.group.type!=="group";r&&e.translate(-this.group.width/2+this.width/2,-this.group.height/2+this.height/2),n&&e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),t||this.transform(e),e.save(),this._setShadow(e),this.clipTo&&fabric.util.clipContext(this,e),this._render(e),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e),this._renderStroke(e),this.clipTo&&e.restore(),e.restore(),this.active&&!t&&(this.drawBorders(e),this.drawControls(e)),e.restore()},_stroke:function(e){e.save(),this._setStrokeStyles(e),e.beginPath(),e.strokeRect(-this.width/2,-this.height/2,this.width,this.height),e.closePath(),e.restore()},_renderDashedStroke:function(e){var t=-this.width/2,n=-this.height/2,r=this.width,i=this.height;e.save(),this._setStrokeStyles(e),e.beginPath(),fabric.util.drawDashedLine(e,t,n,t+r,n,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n,t+r,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n+i,t,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t,n+i,t,n,this.strokeDashArray),e.closePath(),e.restore()},toObject:function(e){return t(this.callSuper("toObject",e),{src:this._originalElement.src||this._originalElement._src,filters:this.filters.map(function(e){return e&&e.toObject()}),crossOrigin:this.crossOrigin})},toSVG:function(e){var t=[];t.push('<g transform="',this.getSvgTransform(),'">','<image xlink:href="',this.getSvgSrc(),'" style="',this.getSvgStyles(),'" transform="translate('+ -this.width/2+" "+ -this.height/2+")",'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="none"','"></image>');if(this.stroke||this.strokeDashArray){var n=this.fill;this.fill=null,t.push("<rect ",'x="',-1*this.width/2,'" y="',-1*this.height/2,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>'),this.fill=n}return t.push("</g>"),e?e(t.join("")):t.join("")},getSrc:function(){return this.getElement().src||this.getElement()._src},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},clone:function(e,t){this.constructor.fromObject(this.toObject(t),e)},applyFilters:function(e){if(this.filters.length===0){this._element=this._originalElement,e&&e();return}var t=this._originalElement,n=fabric.util.createCanvasElement(),r=fabric.util.createImage(),i=this;return n.width=t.width,n.height=t.height,n.getContext("2d").drawImage(t,0,0,t.width,t.height),this.filters.forEach(function(e){e&&e.applyTo(n)}),r.width=t.width,r.height=t.height,fabric.isLikelyNode?(r.src=n.toBuffer(undefined,fabric.Image.pngCompression),i._element=r,e&&e()):(r.onload=function(){i._element=r,e&&e(),r.onload=n=t=null},r.src=n.toDataURL("image/png")),this},_render:function(e){e.drawImage(this._element,-this.width/2,-this.height/2,this.width,this.height)},_resetWidthHeight:function(){var e=this.getElement();this.set("width",e.width),this.set("height",e.height)},_initElement:function(e){this.setElement(fabric.util.getById(e)),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(e){e||(e={}),this.setOptions(e),this._setWidthHeight(e),this._element.crossOrigin=this.crossOrigin},_initFilters:function(e,t){e.filters&&e.filters.length?fabric.util.enlivenObjects(e.filters,function(e){t&&t(e)},"fabric.Image.filters"):t&&t()},_setWidthHeight:function(e){this.width="width"in e?e.width:this.getElement().width||0,this.height="height"in e?e.height:this.getElement().height||0},complexity:function(){return 1}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){fabric.Image.prototype._initFilters.call(e,e,function(r){e.filters=r||[];var i=new fabric.Image(n,e);t&&t(i)})},null,e.crossOrigin)},fabric.Image.fromURL=function(e,t,n){fabric.util.loadImage(e,function(e){t(new fabric.Image(e,n))},null,n&&n.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height xlink:href".split(" ")),fabric.Image.fromElement=function(e,n,r){var i=fabric.parseAttributes(e,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(i["xlink:href"],n,t(r?fabric.util.object.clone(r):{},i))},fabric.Image.async=!0,fabric.Image.pngCompression=1}(typeof exports!="undefined"?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var e=this.getAngle()%360;return e>0?Math.round((e-1)/90)*90:Math.round(e/90)*90},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(e){e=e||{};var t=function(){},n=e.onComplete||t,r=e.onChange||t,i=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(e){i.setAngle(e),r()},onComplete:function(){i.setCoords(),n()},onStart:function(){i.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(e){return e.straighten(),this.renderAll(),this},fxStraightenObject:function(e){return e.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Brightness=t.util.createClass(t.Image.filters.BaseFilter,{type:"Brightness",initialize:function(e){e=e||{},this.brightness=e.brightness||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.brightness;for(var s=0,o=r.length;s<o;s+=4)r[s]+=i,r[s+1]+=i,r[s+2]+=i;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{brightness:this.brightness})}}),t.Image.filters.Brightness.fromObject=function(e){return new t.Image.filters.Brightness(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Convolute=t.util.createClass(t.Image.filters.BaseFilter,{type:"Convolute",initialize:function(e){e=e||{},this.opaque=e.opaque,this.matrix=e.matrix||[0,0,0,0,1,0,0,0,0];var n=t.util.createCanvasElement();this.tmpCtx=n.getContext("2d")},_createImageData:function(e,t){return this.tmpCtx.createImageData(e,t)},applyTo:function(e){var t=this.matrix,n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=Math.round(Math.sqrt(t.length)),s=Math.floor(i/2),o=r.data,u=r.width,a=r.height,f=u,l=a,c=this._createImageData(f,l),h=c.data,p=this.opaque?1:0;for(var d=0;d<l;d++)for(var v=0;v<f;v++){var m=d,g=v,y=(d*f+v)*4,b=0,w=0,E=0,S=0;for(var x=0;x<i;x++)for(var T=0;T<i;T++){var N=m+x-s,C=g+T-s;if(N>=0&&N<a&&C>=0&&C<u){var k=(N*u+C)*4,L=t[x*i+T];b+=o[k]*L,w+=o[k+1]*L,E+=o[k+2]*L,S+=o[k+3]*L}}h[y]=b,h[y+1]=w,h[y+2]=E,h[y+3]=S+p*(255-S)}n.putImageData(c,0,0)},toObject:function(){return n(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),t.Image.filters.Convolute.fromObject=function(e){return new t.Image.filters.Convolute(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.GradientTransparency=t.util.createClass(t.Image.filters.BaseFilter,{type:"GradientTransparency",initialize:function(e){e=e||{},this.threshold=e.threshold||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=r.length;for(var o=0,u=r.length;o<u;o+=4)r[o+3]=i+255*(s-o)/s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold})}}),t.Image.filters.GradientTransparency.fromObject=function(e){return new t.Image.filters.GradientTransparency(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Grayscale=t.util.createClass(t.Image.filters.BaseFilter,{type:"Grayscale",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.width*n.height*4,s=0,o;while(s<i)o=(r[s]+r[s+1]+r[s+2])/3,r[s]=o,r[s+1]=o,r[s+2]=o,s+=4;t.putImageData(n,0,0)}}),t.Image.filters.Grayscale.fromObject=function(){return new t.Image.filters.Grayscale}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Invert=t.util.createClass(t.Image.filters.BaseFilter,{type:"Invert",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s;for(s=0;s<i;s+=4)r[s]=255-r[s],r[s+1]=255-r[s+1],r[s+2]=255-r[s+2];t.putImageData(n,0,0)}}),t.Image.filters.Invert.fromObject=function(){return new t.Image.filters.Invert}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Mask=t.util.createClass(t.Image.filters.BaseFilter,{type:"Mask",initialize:function(e){e=e||{},this.mask=e.mask,this.channel=[0,1,2,3].indexOf(e.channel)>-1?e.channel:0},applyTo:function(e){if(!this.mask)return;var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=this.mask.getElement(),o=t.util.createCanvasElement(),u=this.channel,a,f=r.width*r.height*4;o.width=s.width,o.height=s.height,o.getContext("2d").drawImage(s,0,0,s.width,s.height);var l=o.getContext("2d").getImageData(0,0,s.width,s.height),c=l.data;for(a=0;a<f;a+=4)i[a+3]=c[a+u];n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}}),t.Image.filters.Mask.fromObject=function(e,n){t.util.loadImage(e.mask.src,function(r){e.mask=new t.Image(r,e.mask),n&&n(new t.Image.filters.Mask(e))})},t.Image.filters.Mask.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Noise=t.util.createClass(t.Image.filters.BaseFilter,{type:"Noise",initialize:function(e){e=e||{},this.noise=e.noise||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.noise,s;for(var o=0,u=r.length;o<u;o+=4)s=(.5-Math.random())*i,r[o]+=s,r[o+1]+=s,r[o+2]+=s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{noise:this.noise})}}),t.Image.filters.Noise.fromObject=function(e){return new t.Image.filters.Noise(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Pixelate=t.util.createClass(t.Image.filters.BaseFilter,{type:"Pixelate",initialize:function(e){e=e||{},this.blocksize=e.blocksize||4},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.height,s=n.width,o,u,a,f,l,c,h;for(u=0;u<i;u+=this.blocksize)for(a=0;a<s;a+=this.blocksize){o=u*4*s+a*4,f=r[o],l=r[o+1],c=r[o+2],h=r[o+3];for(var p=u,d=u+this.blocksize;p<d;p++)for(var v=a,m=a+this.blocksize;v<m;v++)o=p*4*s+v*4,r[o]=f,r[o+1]=l,r[o+2]=c,r[o+3]=h}t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{blocksize:this.blocksize})}}),t.Image.filters.Pixelate.fromObject=function(e){return new t.Image.filters.Pixelate(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.RemoveWhite=t.util.createClass(t.Image.filters.BaseFilter,{type:"RemoveWhite",initialize:function(e){e=e||{},this.threshold=e.threshold||30,this.distance=e.distance||20},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=this.distance,o=255-i,u=Math.abs,a,f,l;for(var c=0,h=r.length;c<h;c+=4)a=r[c],f=r[c+1],l=r[c+2],a>o&&f>o&&l>o&&u(a-f)<s&&u(a-l)<s&&u(f-l)<s&&(r[c+3]=1);t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}}),t.Image.filters.RemoveWhite.fromObject=function(e){return new t.Image.filters.RemoveWhite(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o;for(s=0;s<i;s+=4)o=.3*r[s]+.59*r[s+1]+.11*r[s+2],r[s]=o+100,r[s+1]=o+50,r[s+2]=o+255;t.putImageData(n,0,0)}}),t.Image.filters.Sepia.fromObject=function(){return new t.Image.filters.Sepia}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia2=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia2",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o,u,a;for(s=0;s<i;s+=4)o=r[s],u=r[s+1],a=r[s+2],r[s]=(o*.393+u*.769+a*.189)/1.351,r[s+1]=(o*.349+u*.686+a*.168)/1.203,r[s+2]=(o*.272+u*.534+a*.131)/2.14;t.putImageData(n,0,0)}}),t.Image.filters.Sepia2.fromObject=function(){return new t.Image.filters.Sepia2}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Tint=t.util.createClass(t.Image.filters.BaseFilter,{type:"Tint",initialize:function(e){e=e||{},this.color=e.color||"#000000",this.opacity=typeof e.opacity!="undefined"?e.opacity:(new t.Color(this.color)).getAlpha()},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=i.length,o,u,a,f,l,c,h,p,d;d=(new t.Color(this.color)).getSource(),u=d[0]*this.opacity,a=d[1]*this.opacity,f=d[2]*this.opacity,p=1-this.opacity;for(o=0;o<s;o+=4)l=i[o],c=i[o+1],h=i[o+2],i[o]=u+l*p,i[o+1]=a+c*p,i[o+2]=f+h*p;n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}}),t.Image.filters.Tint.fromObject=function(e){return new t.Image.filters.Tint(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.object.clone,i=t.util.toFixed,s=t.StaticCanvas.supports("setLineDash");if(t.Text){t.warn("fabric.Text is already defined");return}var o=t.Object.prototype.stateProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","useNative","path"),t.Text=t.util.createClass(t.Object,{_dimensionAffectingProps:{fontSize:!0,fontWeight:!0,fontFamily:!0,textDecoration:!0,fontStyle:!0,lineHeight:!0,stroke:!0,strokeWidth:!0,text:!0},_reNewline:/\r?\n/,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.3,textBackgroundColor:"",path:null,useNative:!0,stateProperties:o,stroke:null,shadow:null,initialize:function(e,t){t=t||{},this.text=e,this.__skipDimension=!0,this.setOptions(t),this.__skipDimension=!1,this._initDimensions(),this.setCoords()},_initDimensions:function(){if(this.__skipDimension)return;var e=t.util.createCanvasElement();this._render(e.getContext("2d"))},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_render:function(e){var t=this.group&&this.group.type!=="group";t&&!this.transformMatrix?e.translate(-this.group.width/2+this.left,-this.group.height/2+this.top):t&&this.transformMatrix&&e.translate(-this.group.width/2,-this.group.height/2),typeof Cufon=="undefined"||this.useNative===!0?this._renderViaNative(e):this._renderViaCufon(e)},_renderViaNative:function(e){var n=this.text.split(this._reNewline);this.transform(e,t.isLikelyNode),this._setTextStyles(e),this.width=this._getTextWidth(e,n),this.height=this._getTextHeight(e,n),this.clipTo&&t.util.clipContext(this,e),this._renderTextBackground(e,n),this._translateForTextAlign(e),this._renderText(e,n),this.textAlign!=="left"&&this.textAlign!=="justify"&&e.restore(),this._renderTextDecoration(e,n),this.clipTo&&e.restore(),this._setBoundaries(e,n),this._totalLineHeight=0},_renderText:function(e,t){e.save(),this._setShadow(e),this._renderTextFill(e,t),this._renderTextStroke(e,t),this._removeShadow(e),e.restore()},_translateForTextAlign:function(e){this.textAlign!=="left"&&this.textAlign!=="justify"&&(e.save(),e.translate(this.textAlign==="center"?this.width/2:this.width,0))},_setBoundaries:function(e,t){this._boundaries=[];for(var n=0,r=t.length;n<r;n++){var i=this._getLineWidth(e,t[n]),s=this._getLineLeftOffset(i);this._boundaries.push({height:this.fontSize*this.lineHeight,width:i,left:s})}},_setTextStyles:function(e){this._setFillStyles(e),this._setStrokeStyles(e),e.textBaseline="alphabetic",this.skipTextAlign||(e.textAlign=this.textAlign),e.font=this._getFontDeclaration()},_getTextHeight:function(e,t){return this.fontSize*t.length*this.lineHeight},_getTextWidth:function(e,t){var n=e.measureText(t[0]||"|").width;for(var r=1,i=t.length;r<i;r++){var s=e.measureText(t[r]).width;s>n&&(n=s)}return n},_renderChars:function(e,t,n,r,i){t[e](n,r,i)},_renderTextLine:function(e,t,n,r,i,s){i-=this.fontSize/4;if(this.textAlign!=="justify"){this._renderChars(e,t,n,r,i,s);return}var o=t.measureText(n).width,u=this.width;if(u>o){var a=n.split(/\s+/),f=t.measureText(n.replace(/\s+/g,"")).width,l=u-f,c=a.length-1,h=l/c,p=0;for(var d=0,v=a.length;d<v;d++)this._renderChars(e,t,a[d],r+p,i,s),p+=t.measureText(a[d]).width+h}else this._renderChars(e,t,n,r,i,s)},_getLeftOffset:function(){return t.isLikelyNode?0:-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextFill:function(e,t){if(!this.fill&&!this.skipFillStrokeCheck)return;this._boundaries=[];var n=0;for(var r=0,i=t.length;r<i;r++){var s=this._getHeightOfLine(e,r,t);n+=s,this._renderTextLine("fillText",e,t[r],this._getLeftOffset(),this._getTopOffset()+n,r)}},_renderTextStroke:function(e,t){if(!this.stroke&&!this.skipFillStrokeCheck)return;var n=0;e.save(),this.strokeDashArray&&(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),s&&e.setLineDash(this.strokeDashArray)),e.beginPath();for(var r=0,i=t.length;r<i;r++){var o=this._getHeightOfLine(e,r,t);n+=o,this._renderTextLine("strokeText",e,t[r],this._getLeftOffset(),this._getTopOffset()+n,r)}e.closePath(),e.restore()},_getHeightOfLine:function(){return this.fontSize*this.lineHeight},_renderTextBackground:function(e,t){this._renderTextBoxBackground(e),this._renderTextLinesBackground(e,t)},_renderTextBoxBackground:function(e){if(!this.backgroundColor)return;e.save(),e.fillStyle=this.backgroundColor,e.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),e.restore()},_renderTextLinesBackground:function(e,t){if(!this.textBackgroundColor)return;e.save(),e.fillStyle=this.textBackgroundColor;for(var n=0,r=t.length;n<r;n++)if(t[n]!==""){var i=this._getLineWidth(e,t[n]),s=this._getLineLeftOffset(i);e.fillRect(this._getLeftOffset()+s,this._getTopOffset()+n*this.fontSize*this.lineHeight,i,this.fontSize*this.lineHeight)}e.restore()},_getLineLeftOffset:function(e){return this.textAlign==="center"?(this.width-e)/2:this.textAlign==="right"?this.width-e:0},_getLineWidth:function(e,t){return this.textAlign==="justify"?this.width:e.measureText(t).width},_renderTextDecoration:function(e,t){function i(i){for(var s=0,o=t.length;s<o;s++){var u=r._getLineWidth(e,t[s]),a=r._getLineLeftOffset(u);e.fillRect(r._getLeftOffset()+a,~~(i+s*r._getHeightOfLine(e,s,t)-n),u,1)}}if(!this.textDecoration)return;var n=this._getTextHeight(e,t)/2,r=this;this.textDecoration.indexOf("underline")>-1&&i(this.fontSize*this.lineHeight),this.textDecoration.indexOf("line-through")>-1&&i(this.fontSize*this.lineHeight-this.fontSize/2),this.textDecoration.indexOf("overline")>-1&&i(this.fontSize*this.lineHeight-this.fontSize)},_getFontDeclaration:function(){return[t.isLikelyNode?this.fontWeight:this.fontStyle,t.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",t.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(e,t){if(!this.visible)return;e.save(),this._render(e),!t&&this.active&&(this.drawBorders(e),this.drawControls(e)),e.restore()},toObject:function(e){var t=n(this.callSuper("toObject",e),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,path:this.path,textBackgroundColor:this.textBackgroundColor,useNative:this.useNative});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=[],n=this.text.split(this._reNewline),r=this._getSVGLeftTopOffsets(n),i=this._getSVGTextAndBg(r.lineTop,r.textLeft,n),s=this._getSVGShadows(r.lineTop,n);return r.textTop+=this._fontAscent?this._fontAscent/5*this.lineHeight:0,this._wrapSVGTextAndBg(t,i,s,r),e?e(t.join("")):t.join("")},_getSVGLeftTopOffsets:function(e){var t=this.useNative?this.fontSize*this.lineHeight:-this._fontAscent-this._fontAscent/5*this.lineHeight,n=-(this.width/2),r=this.useNative?this.fontSize-1:this.height/2-e.length*this.fontSize-this._totalLineHeight;return{textLeft:n,textTop:r,lineTop:t}},_wrapSVGTextAndBg:function(e,t,n,r){e.push('<g transform="',this.getSvgTransform(),'">',t.textBgRects.join(""),"<text ",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(),'" ','transform="translate(',i(r.textLeft,2)," ",i(r.textTop,2),')">',n.join(""),t.textSpans.join(""),"</text>","</g>")},_getSVGShadows:function(e,n){var r=[],s,o,u=1;if(!this.shadow||!this._boundaries)return r;for(s=0,o=n.length;s<o;s++)if(n[s]!==""){var a=this._boundaries&&this._boundaries[s]?this._boundaries[s].left:0;r.push('<tspan x="',i(a+u+this.shadow.offsetX,2),s===0||this.useNative?'" y':'" dy','="',i(this.useNative?e*s-this.height/2+this.shadow.offsetY:e+(s===0?this.shadow.offsetY:0),2),'" ',this._getFillAttributes(this.shadow.color),">",t.util.string.escapeXml(n[s]),"</tspan>"),u=1}else u++;return r},_getSVGTextAndBg:function(e,t,n){var r=[],i=[],s=1;this._setSVGBg(i);for(var o=0,u=n.length;o<u;o++){n[o]!==""?(this._setSVGTextLineText(n[o],o,r,e,s,i),s=1):s++;if(!this.textBackgroundColor||!this._boundaries)continue;this._setSVGTextLineBg(i,o,t,e)}return{textSpans:r,textBgRects:i}},_setSVGTextLineText:function(e,n,r,s,o){var u=this._boundaries&&this._boundaries[n]?i(this._boundaries[n].left,2):0;r.push('<tspan x="',u,'" ',n===0||this.useNative?"y":"dy",'="',i(this.useNative?s*n-this.height/2:s*o,2),'" ',this._getFillAttributes(this.fill),">",t.util.string.escapeXml(e),"</tspan>")},_setSVGTextLineBg:function(e,t,n,r){e.push("<rect ",this._getFillAttributes(this.textBackgroundColor),' x="',i(n+this._boundaries[t].left,2),'" y="',i(r*t-this.height/2,2),'" width="',i(this._boundaries[t].width,2),'" height="',i(this._boundaries[t].height,2),'"></rect>')},_setSVGBg:function(e){this.backgroundColor&&this._boundaries&&e.push("<rect ",this._getFillAttributes(this.backgroundColor),' x="',i(-this.width/2,2),'" y="',i(-this.height/2,2),'" width="',i(this.width,2),'" height="',i(this.height,2),'"></rect>')},_getFillAttributes:function(e){var n=e&&typeof e=="string"?new t.Color(e):"";return!n||!n.getSource()||n.getAlpha()===1?'fill="'+e+'"':'opacity="'+n.getAlpha()+'" fill="'+n.setAlpha(1).toRgb()+'"'},_set:function(e,t){e==="fontFamily"&&this.path&&(this.path=this.path.replace(/(.*?)([^\/]*)(\.font\.js)/,"$1"+t+"$3")),this.callSuper("_set",e,t),e in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),t.Text.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y font-family font-style font-weight font-size text-decoration".split(" ")),t.Text.fromElement=function(e,n){if(!e)return null;var r=t.parseAttributes(e,t.Text.ATTRIBUTE_NAMES);n=t.util.object.extend(n?t.util.object.clone(n):{},r);var i=new t.Text(e.textContent,n);return i.set({left:i.getLeft()+i.getWidth()/2,top:i.getTop()-i.getHeight()/2}),i},t.Text.fromObject=function(e){return new t.Text(e.text,r(e))},t.util.createAccessors(t.Text)}(typeof exports!="undefined"?exports:this),fabric.util.object.extend(fabric.Text.prototype,{_renderViaCufon:function(e){var t=Cufon.textOptions||(Cufon.textOptions={});t.left=this.left,t.top=this.top,t.context=e,t.color=this.fill;var n=this._initDummyElementForCufon();this.transform(e),Cufon.replaceElement(n,{engine:"canvas",separate:"none",fontFamily:this.fontFamily,fontWeight:this.fontWeight,textDecoration:this.textDecoration,textShadow:this.shadow&&this.shadow.toString(),textAlign:this.textAlign,fontStyle:this.fontStyle,lineHeight:this.lineHeight,stroke:this.stroke,strokeWidth:this.strokeWidth,backgroundColor:this.backgroundColor,textBackgroundColor:this.textBackgroundColor}),this.width=t.width,this.height=t.height,this._totalLineHeight=t.totalLineHeight,this._fontAscent=t.fontAscent,this._boundaries=t.boundaries,n=null,this.setCoords()},_initDummyElementForCufon:function(){var e=fabric.document.createElement("pre"),t=fabric.document.createElement("div");return t.appendChild(e),typeof G_vmlCanvasManager=="undefined"?e.innerHTML=this.text:e.innerText=this.text.replace(/\r?\n/gi,"\r"),e.style.fontSize=this.fontSize+"px",e.style.letterSpacing="normal",e}}),function(){var e=fabric.util.object.clone,t=fabric.util.toFixed;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,styles:null,skipFillStrokeCheck:!0,_reSpace:/\s|\n/,_fontSizeFraction:4,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,_charWidthsCache:{},initialize:function(e,t){this.styles=t.styles||{},this.callSuper("initialize",e,t),this.initBehavior(),fabric.IText.instances.push(this)},isEmptyStyles:function(){if(!this.styles)return!0;var e=this.styles;for(var t in e)for(var n in e[t])for(var r in e[t][n])return!1;return!0},setSelectionStart:function(e){this.selectionStart=e,this.hiddenTextarea&&(this.hiddenTextarea.selectionStart=e)},setSelectionEnd:function(e){this.selectionEnd=e,this.hiddenTextarea&&(this.hiddenTextarea.selectionEnd=e)},getSelectionStyles:function(){var e=this.get2DCursorLocation();return this.styles[e.lineIndex]?this.styles[e.lineIndex][e.charIndex]||{}:{}},setSelectionStyles:function(e){if(this.selectionStart===this.selectionEnd)this._extendStyles(this.selectionStart,e);else for(var t=this.selectionStart;t<this.selectionEnd;t++)this._extendStyles(t,e);return this},_extendStyles:function(e,t){var n=this.get2DCursorLocation(e);this.styles[n.lineIndex]||(this.styles[n.lineIndex]={}),this.styles[n.lineIndex][n.charIndex]||(this.styles[n.lineIndex][n.charIndex]={}),fabric.util.object.extend(this.styles[n.lineIndex][n.charIndex],t)},_render:function(e){this.callSuper("_render",e),this.isEditing&&this.renderCursorOrSelection(e),this.ctx=e},renderCursorOrSelection:function(e){if(!this.active)return;var t=this.text.split(""),n;this.selectionStart===this.selectionEnd?(n=this.getCursorBoundaries(e,t,"cursor"),this.renderCursor(e,n)):(n=this.getCursorBoundaries(e,t,"selection"),this.renderSelection(e,t,n))},get2DCursorLocation:function(e){typeof e=="undefined"&&(e=this.selectionStart);var t=this.text.slice(0,e),n=t.split(this._reNewline);return{lineIndex:n.length-1,charIndex:n[n.length-1].length}},getCurrentCharFontSize:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fontSize||this.fontSize},getCurrentCharColor:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fill||this.cursorColor},getCursorBoundaries:function(e,t,n){var r=this.get2DCursorLocation(),i=0,s=0,o=this.text.split(this._reNewline),u,a,f={},l={},c={},h=Math.round(this._getLeftOffset()),p=-this.height/2,d=0,v=n==="cursor"?this._getHeightOfLine(e,0)-this.getCurrentCharFontSize(r.lineIndex,r.charIndex):0;for(var m=0;m<this.selectionStart;m++){if(t[m]==="\n"){d=0;var g=i+(n==="cursor"?1:0);v+=l[g]||(l[g]=this._getHeightOfLine(e,g)),i++,s=0}else d+=this._getWidthOfChar(e,t[m],i,s),s++;u=f[i]||(f[i]=this._getWidthOfLine(e,i,o)),a=c[i]||(c[i]=this._getLineLeftOffset(u))}return f=l=c=null,{left:h,top:p,leftOffset:d+(a||0),topOffset:v}},renderCursor:function(e,t){e.save();var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex;e.fillStyle=this.getCurrentCharColor(r,i),e.globalAlpha=this._currentCursorOpacity;var s=this.getCurrentCharFontSize(r,i);e.fillRect(t.left+t.leftOffset,t.top+t.topOffset,this.cursorWidth,s),e.restore()},renderSelection:function(e,t,n){e.save(),e.fillStyle=this.selectionColor;var r=this.get2DCursorLocation(),i=r.lineIndex,s=r.charIndex,o=this.text.split(this._reNewline),u=i;for(var a=this.selectionStart;a<this.selectionEnd;a++)if(t[a]==="\n")n.leftOffset=0,n.topOffset+=this._getHeightOfLine(e,i),i++,s=0;else if(a!==this.text.length){var f=this._getWidthOfChar(e,t[a],i,s),l=this._getLineLeftOffset(this._getWidthOfLine(e,i,o))||0;i===u&&(l=0),e.fillRect(n.left+n.leftOffset+l,n.top+n.topOffset,f,this._getHeightOfLine(e,i)),n.leftOffset+=f,s++}e.restore()},_renderChars:function(e,t,n,r,i,s){if(this.isEmptyStyles())return this._renderCharsFast(e,t,n,r,i);this.skipTextAlign=!0,r-=this.textAlign==="center"?this.width/2:this.textAlign==="right"?this.width:0;var o=this.text.split(this._reNewline),u=this._getWidthOfLine(t,s,o),a=this._getHeightOfLine(t,s,o),f=this._getLineLeftOffset(u),l=n.split("");r+=f||0,t.save();for(var c=0,h=l.length;c<h;c++)this._renderChar(e,t,s,c,l[c],r,i,a);t.restore()},_renderCharsFast:function(e,t,n,r,i){this.skipTextAlign=!1,e==="fillText"&&this.fill&&this.callSuper("_renderChars",e,t,n,r,i),e==="strokeText"&&this.stroke&&this.callSuper("_renderChars",e,t,n,r,i)},_renderChar:function(e,t,n,r,i,s,o,u){var a,f;if(this.styles&&this.styles[n]&&(a=this.styles[n][r])){var l=a.stroke||this.stroke,c=a.fill||this.fill;t.save(),f=this._applyCharStylesGetWidth(t,i,n,r,a),c&&t.fillText(i,s,o),l&&t.strokeText(i,s,o),this._renderCharDecoration(t,a,s,o,f,u),t.restore(),t.translate(f,0)}else e==="strokeText"&&this.stroke&&t[e](i,s,o),e==="fillText"&&this.fill&&t[e](i,s,o),f=this._applyCharStylesGetWidth(t,i,n,r),this._renderCharDecoration(t,null,s,o,f,u),t.translate(t.measureText(i).width,0)},_renderCharDecoration:function(e,t,n,r,i,s){var o=t?t.textDecoration||this.textDecoration:this.textDecoration;if(!o)return;o.indexOf("underline")>-1&&this._renderCharDecorationAtOffset(e,n,r+this.fontSize/this._fontSizeFraction,i,0),o.indexOf("line-through")>-1&&this._renderCharDecorationAtOffset(e,n,r+this.fontSize/this._fontSizeFraction,i,s/this._fontSizeFraction),o.indexOf("overline")>-1&&this._renderCharDecorationAtOffset(e,n,r,i,s-this.fontSize/this._fontSizeFraction)},_renderCharDecorationAtOffset:function(e,t,n,r,i){e.fillRect(t,n-i,r,1)},_renderTextLine:function(e,t,n,r,i,s){i+=this.fontSize/4,this.callSuper("_renderTextLine",e,t,n,r,i,s)},_renderTextDecoration:function(e,t){if(this.isEmptyStyles())return this.callSuper("_renderTextDecoration",e,t)},_renderTextLinesBackground:function(e,t){if(!this.textBackgroundColor&&!this.styles)return;e.save(),this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor);var n=0,r=this.fontSize/this._fontSizeFraction;for(var i=0,s=t.length;i<s;i++){var o=this._getHeightOfLine(e,i,t);if(t[i]===""){n+=o;continue}var u=this._getWidthOfLine(e,i,t),a=this._getLineLeftOffset(u);this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor,e.fillRect(this._getLeftOffset()+a,this._getTopOffset()+n+r,u,o));if(this.styles[i])for(var f=0,l=t[i].length;f<l;f++)if(this.styles[i]&&this.styles[i][f]&&this.styles[i][f].textBackgroundColor){var c=t[i][f];e.fillStyle=this.styles[i][f].textBackgroundColor,e.fillRect(this._getLeftOffset()+a+this._getWidthOfCharsAt(e,i,f,t),this._getTopOffset()+n+r,this._getWidthOfChar(e,c,i,f,t)+1,o)}n+=o}e.restore()},_getCacheProp:function(
+e,t){return e+t.fontFamily+t.fontSize+t.fontWeight+t.fontStyle+t.shadow},_applyCharStylesGetWidth:function(t,n,r,i,s){var o=s||this.styles[r]&&this.styles[r][i];o?o=e(o):o={},this._applyFontStyles(o);var u=this._getCacheProp(n,o);if(this.isEmptyStyles()&&this._charWidthsCache[u])return this._charWidthsCache[u];typeof o.shadow=="string"&&(o.shadow=new fabric.Shadow(o.shadow));var a=o.fill||this.fill;return t.fillStyle=a.toLive?a.toLive(t):a,o.stroke&&(t.strokeStyle=o.stroke&&o.stroke.toLive?o.stroke.toLive(t):o.stroke),t.lineWidth=o.strokeWidth||this.strokeWidth,t.font=this._getFontDeclaration.call(o),this._setShadow.call(o,t),this._charWidthsCache[u]||(this._charWidthsCache[u]=t.measureText(n).width),this._charWidthsCache[u]},_applyFontStyles:function(e){e.fontFamily||(e.fontFamily=this.fontFamily),e.fontSize||(e.fontSize=this.fontSize),e.fontWeight||(e.fontWeight=this.fontWeight),e.fontStyle||(e.fontStyle=this.fontStyle)},_getWidthOfChar:function(e,t,n,r){e.save();var i=this._applyCharStylesGetWidth(e,t,n,r);return e.restore(),i},_getHeightOfChar:function(e,t,n,r){return this.styles[n]&&this.styles[n][r]?this.styles[n][r].fontSize||this.fontSize:this.fontSize},_getWidthOfCharAt:function(e,t,n,r){r=r||this.text.split(this._reNewline);var i=r[t].split("")[n];return this._getWidthOfChar(e,i,t,n)},_getHeightOfCharAt:function(e,t,n,r){r=r||this.text.split(this._reNewline);var i=r[t].split("")[n];return this._getHeightOfChar(e,i,t,n)},_getWidthOfCharsAt:function(e,t,n,r){var i=0;for(var s=0;s<n;s++)i+=this._getWidthOfCharAt(e,t,s,r);return i},_getWidthOfLine:function(e,t,n){return this._getWidthOfCharsAt(e,t,n[t].length,n)},_getTextWidth:function(e,t){if(this.isEmptyStyles())return this.callSuper("_getTextWidth",e,t);var n=this._getWidthOfLine(e,0,t);for(var r=1,i=t.length;r<i;r++){var s=this._getWidthOfLine(e,r,t);s>n&&(n=s)}return n},_getHeightOfLine:function(e,t,n){n=n||this.text.split(this._reNewline);var r=this._getHeightOfChar(e,n[t][0],t,0),i=n[t],s=i.split("");for(var o=1,u=s.length;o<u;o++){var a=this._getHeightOfChar(e,s[o],t,o);a>r&&(r=a)}return r*this.lineHeight},_getTextHeight:function(e,t){var n=0;for(var r=0,i=t.length;r<i;r++)n+=this._getHeightOfLine(e,r,t);return n},_getTopOffset:function(){var e=fabric.Text.prototype._getTopOffset.call(this);return e-this.fontSize/this._fontSizeFraction},toObject:function(t){return fabric.util.object.extend(this.callSuper("toObject",t),{styles:e(this.styles)})},_setSVGTextLineText:function(e,t,n,r,i,s){this.styles[t]?this._setSVGTextLineChars(e,t,n,r,i,s):this.callSuper("_setSVGTextLineText",e,t,n,r,i)},_setSVGTextLineChars:function(e,n,r,i,s,o){var u=n===0||this.useNative?"y":"dy",a=e.split(""),f=0,l=this._boundaries&&this._boundaries[n]?t(this._boundaries[n].left,2):0,c=this._getHeightOfLine(this.ctx,n),h=0;for(var p=0;p<=n;p++)h+=this._getHeightOfLine(this.ctx,p);h-=this.height/2;for(var d=0,v=a.length;d<v;d++){var m=this.styles[n][d]||{},g=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text"},m));r.push('<tspan x="',l+f,'" ',u,'="',h,'" ',m.fontFamily?'font-family="'+m.fontFamily.replace(/"/g,"'")+'" ':"",m.fontSize?'font-size="'+m.fontSize+'" ':"",m.fontStyle?'font-style="'+m.fontStyle+'" ':"",m.fontWeight?'font-weight="'+m.fontWeight+'" ':"",m.textDecoration?'text-decoration="'+m.textDecoration+'" ':"",'style="',g,'">',fabric.util.string.escapeXml(a[d]),"</tspan>");var y=this._getWidthOfChar(this.ctx,a[d],n,d);m.textBackgroundColor&&o.push('<rect fill="',m.textBackgroundColor,'" transform="translate(',-this.width/2," ",-this.height+c,")",'" x="',l+f,'" y="',h+c,'" width="',y,'" height="',c,'"></rect>'),f+=y}}}),fabric.IText.fromObject=function(t){return new fabric.IText(t.text,e(t))},fabric.IText.instances=[]}(),function(){var e=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initKeyHandlers(),this.initCursorSelectionHandlers(),this.initDblClickSimulation(),this.initHiddenTextarea()},initKeyHandlers:function(){fabric.util.addListener(document,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(document,"keypress",this.onKeyPress.bind(this))},initHiddenTextarea:function(){if(!/(iPad|iPhone|iPod)/g.test(navigator.userAgent))return;this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.style.cssText="position: absolute; top: 0; left: -9999px",fabric.document.body.appendChild(this.hiddenTextarea)},initDblClickSimulation:function(){var e=+(new Date),t,n={},r;this.on("mousedown",function(i){var s=i.e;t=+(new Date),r=this.canvas.getPointer(s);var o=t-e<500&&n.x===r.x&&n.y===r.y;o&&(this.fire("dblclick",i),s.preventDefault&&s.preventDefault(),s.stopPropagation&&s.stopPropagation()),e=t,n=r})},initCursorSelectionHandlers:function(){this.initSelectedHandler(),this.initMousedownHandler(),this.initMousemoveHandler(),this.initMouseupHandler(),this.on("dblclick",function(e){this.selectWord(this.getSelectionStartFromPointer(e.e))})},initMousedownHandler:function(){this.on("mousedown",function(e){var t=this.canvas.getPointer(e.e);this.__mousedownX=t.x,this.__mousedownY=t.y,this.__isMousedown=!0,this.hiddenTextarea&&this.canvas&&this.canvas.wrapperEl.appendChild(this.hiddenTextarea),this.isEditing&&this.setCursorByClick(e.e)})},initMousemoveHandler:function(){this.on("mousemove",function(){this.__isMousedown&&this.isEditing&&console.log("mousemove: need to select text")})},initMouseupHandler:function(){this.on("mouseup",function(e){this.__isMousedown=!1;var t=this.canvas.getPointer(e.e),n=this.__mousedownX!==t.x||this.__mousedownY!==t.y;if(n)return;this.selected&&this.enterEditing()})},initSelectedHandler:function(){this.on("selected",function(){var e=this;setTimeout(function(){e.selected=!0},100),this._hasClearSelectionListener||(this.canvas.on("selection:cleared",function(t){if(t.e&&e.canvas.containsPoint(t.e,e))return;e.exitEditing()}),this._hasClearSelectionListener=!0)})},_tick:function(){var e=this;if(this._abortCursorAnimation)return;this.animate("_currentCursorOpacity",1,{duration:this.cursorDuration,onComplete:function(){e._onTickComplete()},onChange:function(){e.canvas&&e.canvas.renderAll()},abort:function(){return e._abortCursorAnimation}})},_onTickComplete:function(){if(this._abortCursorAnimation)return;var e=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){e.animate("_currentCursorOpacity",0,{duration:this.cursorDuration/2,onComplete:function(){e._tick()},onChange:function(){e.canvas&&e.canvas.renderAll()},abort:function(){return e._abortCursorAnimation}})},100)},initDelayedCursor:function(){var e=this;this._cursorTimeout2&&clearTimeout(this._cursorTimeout2),this._cursorTimeout2=setTimeout(function(){e._abortCursorAnimation=!1,e._tick()},this.cursorDelay)},abortCursorAnimation:function(){this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,this.canvas&&this.canvas.renderAll();var e=this;setTimeout(function(){e._abortCursorAnimation=!1},10)},_keysMap:{8:"removeChars",13:"insertNewline",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},_ctrlKeysMap:{65:"selectAll",67:"copy",86:"paste",88:"cut"},onKeyDown:function(e){if(!this.isEditing||e.ctrlKey)return;if(e.keyCode in this._keysMap)this[this._keysMap[e.keyCode]](e);else{if(!(e.keyCode in this._ctrlKeysMap&&(e.ctrlKey||e.metaKey)))return;this[this._ctrlKeysMap[e.keyCode]](e)}e.preventDefault(),e.stopPropagation(),this.canvas&&this.canvas.renderAll()},forwardDelete:function(e){this.moveCursorRight(e),this.removeChars(e)},copy:function(){var e=this.getSelectedText();this.copiedText=e},paste:function(){this.copiedText&&this.insertChars(this.copiedText)},cut:function(e){this.copy(),this.removeChars(e)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this.text.length},getSelectedText:function(){return this.text.slice(this.selectionStart,this.selectionEnd)},onKeyPress:function(e){if(!this.isEditing||e.metaKey||e.ctrlKey||e.keyCode===8||e.keyCode===13)return;this.insertChars(String.fromCharCode(e.which)),e.preventDefault(),e.stopPropagation()},getDownCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r=this.text.split(this._reNewline),i,s,o,u=this.text.slice(0,n),a=this.text.slice(n),f=u.slice(u.lastIndexOf("\n")+1),l=a.match(/(.*)\n?/)[1],c=(a.match(/.*\n(.*)\n?/)||{})[1]||"",h=this.get2DCursorLocation(n);if(h.lineIndex===r.length-1||e.metaKey)return this.text.length-n;var p=this._getWidthOfLine(this.ctx,h.lineIndex,r);s=this._getLineLeftOffset(p);var d=s,v=h.lineIndex;for(var m=0,g=f.length;m<g;m++)i=f[m],d+=this._getWidthOfChar(this.ctx,i,v,m);var y=this._getWidthOfLine(this.ctx,h.lineIndex+1,r);s=this._getLineLeftOffset(y);var b=s,w=0;v=h.lineIndex+1;for(var E=0,S=c.length;E<S;E++){i=c[E];var x=this._getWidthOfChar(this.ctx,i,v,E);b+=x;if(b>d){o=!0;var T=b-x,N=b,C=Math.abs(T-d),k=Math.abs(N-d);w=k<C?E+1:E;break}}return o||(w=c.length),l.length+1+w},moveCursorDown:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getDownCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorDownWithShift(t):this.moveCursorDownWithoutShift(t),this.initDelayedCursor()},moveCursorDownWithoutShift:function(e){this._selectionDirection="right",this.selectionStart+=e,this.selectionStart>this.text.length&&(this.selectionStart=this.text.length),this.selectionEnd=this.selectionStart},moveCursorDownWithShift:function(e){if(this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd){this.selectionStart+=e,this._selectionDirection="left";return}this._selectionDirection="right",this.selectionEnd+=e,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length)},getUpCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r=this.get2DCursorLocation(n);if(r.lineIndex===0||e.metaKey)return n;var i=this.text.slice(0,n),s=i.slice(i.lastIndexOf("\n")+1),o=(i.match(/\n?(.*)\n.*$/)||{})[1]||"",u=this.text.split(this._reNewline),a,f,l,c=this._getWidthOfLine(this.ctx,r.lineIndex,u);f=this._getLineLeftOffset(c);var h=f,p=r.lineIndex;for(var d=0,v=s.length;d<v;d++)a=s[d],h+=this._getWidthOfChar(this.ctx,a,p,d);var m=this._getWidthOfLine(this.ctx,r.lineIndex-1,u);f=this._getLineLeftOffset(m);var g=f,y=0;p=r.lineIndex-1;for(var b=0,w=o.length;b<w;b++){a=o[b];var E=this._getWidthOfChar(this.ctx,a,p,b);g+=E;if(g>h){l=!0;var S=g-E,x=g,T=Math.abs(S-h),N=Math.abs(x-h);y=N<T?b:b-1;break}}return l||(y=o.length-1),o.length-y+s.length},moveCursorUp:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getUpCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorUpWithShift(t):this.moveCursorUpWithoutShift(t),this.initDelayedCursor()},moveCursorUpWithShift:function(e){if(this.selectionStart===this.selectionEnd)this.selectionStart-=e;else{if(this._selectionDirection==="right"){this.selectionEnd-=e,this._selectionDirection="right";return}this.selectionStart-=e}this.selectionStart<0&&(this.selectionStart=0),this._selectionDirection="left"},moveCursorUpWithoutShift:function(e){this.selectionStart===this.selectionEnd&&(this.selectionStart-=e),this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd=this.selectionStart,this._selectionDirection="left"},moveCursorLeft:function(e){if(this.selectionStart===0&&this.selectionEnd===0)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorLeftWithShift(e):this.moveCursorLeftWithoutShift(e),this.initDelayedCursor()},findWordBoundaryLeft:function(e){var t=0,n=e-1;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n--;while(/\S/.test(this.text.charAt(n))&&n>-1)t++,n--;return e-t},findWordBoundaryRight:function(e){var t=0,n=e;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n++;while(/\S/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},findLineBoundaryLeft:function(e){var t=0,n=e-1;while(!/\n/.test(this.text.charAt(n))&&n>-1)t++,n--;return e-t},findLineBoundaryRight:function(e){var t=0,n=e;while(!/\n/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},_move:function(e,t,n){e.altKey?this[t]=this["findWordBoundary"+n](this[t]):e.metaKey?this[t]=this["findLineBoundary"+n](this[t]):this[t]+=n==="Left"?-1:1},_moveLeft:function(e,t){this._move(e,t,"Left")},_moveRight:function(e,t){this._move(e,t,"Right")},moveCursorLeftWithoutShift:function(e){this._selectionDirection="left",this.selectionEnd===this.selectionStart&&this._moveLeft(e,"selectionStart"),this.selectionEnd=this.selectionStart},moveCursorLeftWithShift:function(e){this._selectionDirection==="right"&&this.selectionStart!==this.selectionEnd?this._moveLeft(e,"selectionEnd"):(this._selectionDirection="left",this._moveLeft(e,"selectionStart"),this.text.charAt(this.selectionStart)==="\n"&&this.selectionStart--,this.selectionStart<0&&(this.selectionStart=0))},moveCursorRight:function(e){if(this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorRightWithShift(e):this.moveCursorRightWithoutShift(e),this.initDelayedCursor()},moveCursorRightWithShift:function(e){this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd?this._moveRight(e,"selectionStart"):(this._selectionDirection="right",this._moveRight(e,"selectionEnd"),this.text.charAt(this.selectionEnd-1)==="\n"&&this.selectionEnd++,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length))},moveCursorRightWithoutShift:function(e){this._selectionDirection="right",this.selectionStart===this.selectionEnd?(this._moveRight(e,"selectionStart"),this.selectionEnd=this.selectionStart):(this.selectionEnd+=this.getNumNewLinesInSelectedText(),this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length),this.selectionStart=this.selectionEnd)},getNumNewLinesInSelectedText:function(){var e=this.getSelectedText(),t=0;for(var n=0,r=e.split(""),i=r.length;n<i;n++)r[n]==="\n"&&t++;return t},searchWordBoundary:function(e,t){var n=e,r=this.text.charAt(n),i=/[ \n\.,;!\?\-]/;while(!i.test(r)&&n>0&&n<this.text.length)n+=t,r=this.text.charAt(n);return i.test(r)&&r!=="\n"&&(n+=t===1?0:1),n},selectWord:function(e){var t=this.searchWordBoundary(e,-1),n=this.searchWordBoundary(e,1);this.setSelectionStart(t),this.setSelectionEnd(n)},getLocalPointer:function(e){var t=this.canvas.getPointer(e),n=this.translateToOriginPoint(this.getCenterPoint(),"left","top");return{x:t.x-n.x,y:t.y-n.y}},setCursorByClick:function(e){var t=this.getSelectionStartFromPointer(e);this.setSelectionStart(t),this.setSelectionEnd(t)},getSelectionStartFromPointer:function(e){var t=this.getLocalPointer(e),n=t.x,r=t.y,i=this.text.split(this._reNewline),s=0,o=0,u=0,a=0,f;for(var l=0,c=i.length;l<c;l++){u+=this._getHeightOfLine(this.ctx,l)*this.scaleY;var h=this._getWidthOfLine(this.ctx,l,i),p=this._getLineLeftOffset(h);o=p,this.flipX&&(i[l]=i[l].split("").reverse().join(""));for(var d=0,v=i[l].length;d<v;d++){var m=i[l][d];s=o,o+=this._getWidthOfChar(this.ctx,m,l,this.flipX?v-d:d)*this.scaleX;if(u>r&&o>n){var g=n-s,y=o-n;return y>g?f=a+l:f=a+l+1,this.flipX&&(f=v-f),f>this.text.length&&(f=this.text.length),f}a++}}if(typeof f=="undefined")return this.text.length},enterEditing:function(){if(this.isEditing||!this.editable)return;return fabric.IText.instances.forEach(function(e){if(e===this)return;e.exitEditing()},this),this.isEditing=!0,this._updateTextarea(),this._saveProps(),this.hoverCursor="text",this.canvas.defaultCursor="text",this.canvas.moveCursor="text",this.hasControls=!1,this.borderColor=this.editingBorderColor,this.selectable=!1,this.lockMovementX=!0,this.lockMovementY=!0,this._tick(),this.canvas.renderAll(),this},_updateTextarea:function(){if(!this.hiddenTextarea)return;this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart,this.hiddenTextarea.focus()},_saveProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas.defaultCursor,moveCursor:this.canvas.moveCursor}},_restoreProps:function(){if(!this._savedProps)return;this.hoverCursor=this._savedProps.overCursor,this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY},exitEditing:function(){return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.hiddenTextarea&&this.hiddenTextarea.blur(),this.abortCursorAnimation(),this._restoreProps(),this._currentCursorOpacity=0,this},removeChars:function(e){if(this.selectionStart===this.selectionEnd){if(this.selectionStart!==0)if(e.metaKey){var t=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(t,this.selectionStart),this.selectionStart=t}else if(e.altKey){var n=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(n,this.selectionStart),this.selectionStart=n}else{var r=this.text.slice(this.selectionStart-1,this.selectionStart)==="\n";this.removeStyleObject(r),this.selectionStart--,this.text=this.text.slice(0,this.selectionStart)+this.text.slice(this.selectionStart+1)}}else this._removeCharsFromTo(this.selectionStart,this.selectionEnd);this.selectionEnd=this.selectionStart;var i=this.text.split(this._reNewline);for(var s in this.styles)i[s]||delete this.styles[s];this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("text:changed")},_removeCharsFromTo:function(e,t){var n=t;while(n!==e)n--,this.removeStyleObject(!1,n);this.text=this.text.slice(0,e)+this.text.slice(t)},insertChars:function(e){var t=this.text.slice(this.selectionStart,this.selectionStart+1)==="\n";this.text=this.text.slice(0,this.selectionStart)+e+this.text.slice(this.selectionEnd),this.selectionStart===this.selectionEnd?this.insertStyleObject(e,t):this.selectionEnd-this.selectionStart>1,this.selectionStart+=e.length,this.selectionEnd=this.selectionStart,this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("text:changed")},insertNewlineStyleObject:function(t,n,r){this.shiftLineStyles(t,1),this.styles[t+1]||(this.styles[t+1]={});var i=this.styles[t][n-1],s={};if(r)s[0]=e(i),this.styles[t+1]=s;else{for(var o in this.styles[t])parseInt(o,10)>=n&&(s[parseInt(o,10)-n]=this.styles[t][o],delete this.styles[t][o]);this.styles[t+1]=s}},insertCharStyleObject:function(t,n){var r=this.styles[t],i=e(r);n===0&&(n=1);for(var s in i){var o=parseInt(s,10);o>=n&&(r[o+1]=i[o])}this.styles[t][n]=e(r[n-1])},insertStyleObject:function(e,t){if(this.isEmptyStyles())return;var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex;this.styles[r]||(this.styles[r]={}),e==="\n"?this.insertNewlineStyleObject(r,i,t):this.insertCharStyleObject(r,i)},shiftLineStyles:function(t,n){var r=e(this.styles);for(var i in this.styles){var s=parseInt(i,10);s>t&&(this.styles[s+n]=r[s])}},removeStyleObject:function(t,n){var r=this.get2DCursorLocation(n),i=r.lineIndex,s=r.charIndex;if(t){var o=this.text.split(this._reNewline),u=o[i-1],a=u.length;this.styles[i-1]||(this.styles[i-1]={});for(s in this.styles[i])this.styles[i-1][parseInt(s,10)+a]=this.styles[i][s];this.shiftLineStyles(i,-1)}else{var f=this.styles[i];if(f){var l=this.selectionStart===this.selectionEnd?-1:0;delete f[s+l]}var c=e(f);for(var h in c){var p=parseInt(h,10);p>=s&&p!==0&&(f[p-1]=c[p],delete f[p])}}},insertNewline:function(){this.insertChars("\n")}})}(),function(){function request(e,t,n){var r=URL.parse(e);r.port||(r.port=r.protocol.indexOf("https:")===0?443:80);var i=r.port===443?HTTPS:HTTP,s=i.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(e){var r="";t&&e.setEncoding(t),e.on("end",function(){n(r)}),e.on("data",function(t){e.statusCode===200&&(r+=t)})});s.on("error",function(e){e.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(e.message)}),s.end()}function request_fs(e,t){var n=require("fs");n.readFile(e,function(e,n){if(e)throw fabric.log(e),e;t(n)})}if(typeof document!="undefined"&&typeof window!="undefined")return;var DOMParser=(new require("xmldom")).DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(e,t,n){var r=function(r){i.src=new Buffer(r,"binary"),i._src=e,t&&t.call(n,i)},i=new Image;e&&(e instanceof Buffer||e.indexOf("data")===0)?(i.src=i._src=e,t&&t.call(n,i)):e&&e.indexOf("http")!==0?request_fs(e,r):e&&request(e,"binary",r)},fabric.loadSVGFromURL=function(e,t,n){e=e.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),e.indexOf("http")!==0?request_fs(e,function(e){fabric.loadSVGFromString(e,t,n)}):request(e,"",function(e){fabric.loadSVGFromString(e,t,n)})},fabric.loadSVGFromString=function(e,t,n){var r=(new DOMParser).parseFromString(e);fabric.parseSVGDocument(r.documentElement,function(e,n){t&&t(e,n)},n)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){var r=new fabric.Image(n);r._initConfig(e),r._initFilters(e,function(e){r.filters=e||[],t&&t(r)})})},fabric.createCanvasForNode=function(e,t){var n=fabric.document.createElement("canvas"),r=new Canvas(e||600,t||600);n.style={},n.width=r.width,n.height=r.height;var i=fabric.Canvas||fabric.StaticCanvas,s=new i(n);return s.contextContainer=r.getContext("2d"),s.nodeCanvas=r,s.Font=Canvas.Font,s},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(e){return this.nodeCanvas.createJPEGStream(e)};var origSetWidth=fabric.StaticCanvas.prototype.setWidth;fabric.StaticCanvas.prototype.setWidth=function(e){return origSetWidth.call(this,e),this.nodeCanvas.width=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setWidth=fabric.StaticCanvas.prototype.setWidth);var origSetHeight=fabric.StaticCanvas.prototype.setHeight;fabric.StaticCanvas.prototype.setHeight=function(e){return origSetHeight.call(this,e),this.nodeCanvas.height=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setHeight=fabric.StaticCanvas.prototype.setHeight)}();
\ No newline at end of file
diff --git a/dist/all.min.js.gz b/dist/all.min.js.gz
index bf722ce9..702a6f38 100644
Binary files a/dist/all.min.js.gz and b/dist/all.min.js.gz differ
diff --git a/dist/all.require.js b/dist/all.require.js
index 3d9bf603..105beadf 100644
--- a/dist/all.require.js
+++ b/dist/all.require.js
@@ -8799,8 +8799,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       radiansToDegrees = fabric.util.radiansToDegrees,
       atan2 = Math.atan2,
       abs = Math.abs,
-      min = Math.min,
-      max = Math.max,
 
       STROKE_OFFSET = 0.5;
 
@@ -9168,6 +9166,9 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       return centerTransform ? !e.altKey : e.altKey;
     },
 
+    /**
+     * @private
+     */
     _getOriginFromCorner: function(target, corner) {
       var origin = {
         x: target.originX,
@@ -9191,6 +9192,9 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       return origin;
     },
 
+    /**
+     * @private
+     */
     _getActionFromCorner: function(target, corner) {
       var action = 'drag';
       if (corner) {
@@ -9249,96 +9253,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       this._resetCurrentTransform(e);
     },
 
-    /**
-     * @private
-     * @param {Event} e Event object
-     * @param {fabric.Object} target
-     * @return {Boolean}
-     */
-    _shouldHandleGroupLogic: function(e, target) {
-      var activeObject = this.getActiveObject();
-      return e.shiftKey &&
-            (this.getActiveGroup() || (activeObject && activeObject !== target))
-            && this.selection;
-    },
-
-    /**
-     * @private
-     * @param {Event} e Event object
-     * @param {fabric.Object} target
-     */
-    _handleGroupLogic: function (e, target) {
-
-      if (target === this.getActiveGroup()) {
-
-        // if it's a group, find target again, this time skipping group
-        target = this.findTarget(e, true);
-
-        // if even object is not found, bail out
-        if (!target || target.isType('group')) {
-          return;
-        }
-      }
-      if (this.getActiveGroup()) {
-        this._updateActiveGroup(target, e);
-      }
-      else {
-        this._createActiveGroup(target, e);
-      }
-
-      if (this._activeGroup) {
-        this._activeGroup.saveCoords();
-      }
-    },
-
-    _updateActiveGroup: function(target, e) {
-      var activeGroup = this.getActiveGroup();
-
-      if (activeGroup.contains(target)) {
-        activeGroup.removeWithUpdate(target);
-        this._resetObjectTransform(activeGroup);
-        target.set('active', false);
-
-        if (activeGroup.size() === 1) {
-          // remove group alltogether if after removal it only contains 1 object
-          this.discardActiveGroup(e);
-          // activate last remaining object
-          this.setActiveObject(activeGroup.item(0));
-          return;
-        }
-      }
-      else {
-        activeGroup.addWithUpdate(target);
-        this._resetObjectTransform(activeGroup);
-      }
-      this.fire('selection:created', { target: activeGroup, e: e });
-      activeGroup.set('active', true);
-    },
-
-    _createActiveGroup: function(target, e) {
-      // group does not exist
-      if (this._activeObject) {
-        // only if there's an active object
-        if (target !== this._activeObject) {
-          // and that object is not the actual target
-          var objects = this.getObjects();
-          var isActiveLower = objects.indexOf(this._activeObject) < objects.indexOf(target);
-          var groupObjects = isActiveLower
-              ? [ target, this._activeObject ]
-              : [ this._activeObject, target ];
-
-          var group = new fabric.Group(groupObjects, { originX: 'center', originY: 'center' });
-
-          this.setActiveGroup(group);
-          this._activeObject = null;
-          var activeGroup = this.getActiveGroup();
-          this.fire('selection:created', { target: activeGroup, e: e });
-        }
-      }
-      // activate target object in any case
-      target.set('active', true);
-    },
-
     /**
      * Translates object by "setting" its left/top
      * @private
@@ -9604,65 +9518,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       }
     },
 
-    /**
-     * @private
-     * @param {Event} e mouse event
-     */
-    _groupSelectedObjects: function (e) {
-
-      var group = this._collectObjects();
-
-      // do not create group for 1 element only
-      if (group.length === 1) {
-        this.setActiveObject(group[0], e);
-      }
-      else if (group.length > 1) {
-        group = new fabric.Group(group.reverse(), {
-          originX: 'center',
-          originY: 'center'
-        });
-        this.setActiveGroup(group, e);
-        group.saveCoords();
-        this.fire('selection:created', { target: group });
-        this.renderAll();
-      }
-    },
-
-    /**
-     * @private
-     */
-    _collectObjects: function() {
-      var group = [ ],
-          currentObject,
-          x1 = this._groupSelector.ex,
-          y1 = this._groupSelector.ey,
-          x2 = x1 + this._groupSelector.left,
-          y2 = y1 + this._groupSelector.top,
-          selectionX1Y1 = new fabric.Point(min(x1, x2), min(y1, y2)),
-          selectionX2Y2 = new fabric.Point(max(x1, x2), max(y1, y2)),
-          isClick = x1 === x2 && y1 === y2;
-
-      for (var i = this._objects.length; i--; ) {
-        currentObject = this._objects[i];
-
-        if (!currentObject || !currentObject.selectable || !currentObject.visible) continue;
-
-        if (currentObject.intersectsWithRect(selectionX1Y1, selectionX2Y2) ||
-            currentObject.isContainedWithinRect(selectionX1Y1, selectionX2Y2) ||
-            currentObject.containsPoint(selectionX1Y1) ||
-            currentObject.containsPoint(selectionX2Y2)
-        ) {
-          currentObject.set('active', true);
-          group.push(currentObject);
-
-          // only add one object if it's a click
-          if (isClick) break;
-        }
-      }
-
-      return group;
-    },
-
     /**
      * Method that determines what object we are clicking on
      * @param {Event} e mouse event
@@ -10260,26 +10115,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       target && target.fire('mouseup', { e: e });
     },
 
-    /**
-     * @private
-     */
-    _maybeGroupObjects: function(e) {
-      if (this.selection && this._groupSelector) {
-        this._groupSelectedObjects(e);
-      }
-
-      var activeGroup = this.getActiveGroup();
-      if (activeGroup) {
-        activeGroup.setObjectsCoords();
-        activeGroup.isMoving = false;
-        this._setCursor(this.defaultCursor);
-      }
-
-      // clear selection and current transformation
-      this._groupSelector = null;
-      this._currentTransform = null;
-    },
-
     /**
      * @private
      */
@@ -10399,8 +10234,8 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       if (this._shouldClearSelection(e, target)) {
         this._clearSelection(e, target, pointer);
       }
-      else if (this._shouldHandleGroupLogic(e, target)) {
-        this._handleGroupLogic(e, target);
+      else if (this._shouldGroup(e, target)) {
+        this._handleGrouping(e, target);
         target = this.getActiveGroup();
       }
       else if (target && target.selectable) {
@@ -10683,6 +10518,194 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
 })();
 
 
+(function(){
+
+  var min = Math.min,
+      max = Math.max;
+
+  fabric.util.object.extend(fabric.Canvas.prototype, /** @lends fabric.Canvas.prototype */ {
+
+    /**
+     * @private
+     * @param {Event} e Event object
+     * @param {fabric.Object} target
+     * @return {Boolean}
+     */
+    _shouldGroup: function(e, target) {
+      var activeObject = this.getActiveObject();
+      return e.shiftKey &&
+            (this.getActiveGroup() || (activeObject && activeObject !== target))
+            && this.selection;
+    },
+
+    /**
+     * @private
+     * @param {Event} e Event object
+     * @param {fabric.Object} target
+     */
+    _handleGrouping: function (e, target) {
+
+      if (target === this.getActiveGroup()) {
+
+        // if it's a group, find target again, this time skipping group
+        target = this.findTarget(e, true);
+
+        // if even object is not found, bail out
+        if (!target || target.isType('group')) {
+          return;
+        }
+      }
+      if (this.getActiveGroup()) {
+        this._updateActiveGroup(target, e);
+      }
+      else {
+        this._createActiveGroup(target, e);
+      }
+
+      if (this._activeGroup) {
+        this._activeGroup.saveCoords();
+      }
+    },
+
+    /**
+     * @private
+     */
+    _updateActiveGroup: function(target, e) {
+      var activeGroup = this.getActiveGroup();
+
+      if (activeGroup.contains(target)) {
+
+        activeGroup.removeWithUpdate(target);
+        this._resetObjectTransform(activeGroup);
+        target.set('active', false);
+
+        if (activeGroup.size() === 1) {
+          // remove group alltogether if after removal it only contains 1 object
+          this.discardActiveGroup(e);
+          // activate last remaining object
+          this.setActiveObject(activeGroup.item(0));
+          return;
+        }
+      }
+      else {
+        activeGroup.addWithUpdate(target);
+        this._resetObjectTransform(activeGroup);
+      }
+      this.fire('selection:created', { target: activeGroup, e: e });
+      activeGroup.set('active', true);
+    },
+
+    /**
+     * @private
+     */
+    _createActiveGroup: function(target, e) {
+      if (this._activeObject) {
+        // only if there's an active object
+        if (target !== this._activeObject) {
+          // and that object is not the actual target
+          var objects = this.getObjects();
+          var isActiveLower = objects.indexOf(this._activeObject) < objects.indexOf(target);
+          var groupObjects = isActiveLower
+              ? [ target, this._activeObject ]
+              : [ this._activeObject, target ];
+
+          var group = new fabric.Group(groupObjects, { originX: 'center', originY: 'center' });
+
+          this.setActiveGroup(group);
+          this._activeObject = null;
+
+          var activeGroup = this.getActiveGroup();
+
+          this.fire('selection:created', { target: activeGroup, e: e });
+        }
+      }
+      // activate target object in any case
+      target.set('active', true);
+    },
+
+    /**
+     * @private
+     * @param {Event} e mouse event
+     */
+    _groupSelectedObjects: function (e) {
+
+      var group = this._collectObjects();
+
+      // do not create group for 1 element only
+      if (group.length === 1) {
+        this.setActiveObject(group[0], e);
+      }
+      else if (group.length > 1) {
+        group = new fabric.Group(group.reverse(), {
+          originX: 'center',
+          originY: 'center'
+        });
+        this.setActiveGroup(group, e);
+        group.saveCoords();
+        this.fire('selection:created', { target: group });
+        this.renderAll();
+      }
+    },
+
+    /**
+     * @private
+     */
+    _collectObjects: function() {
+      var group = [ ],
+          currentObject,
+          x1 = this._groupSelector.ex,
+          y1 = this._groupSelector.ey,
+          x2 = x1 + this._groupSelector.left,
+          y2 = y1 + this._groupSelector.top,
+          selectionX1Y1 = new fabric.Point(min(x1, x2), min(y1, y2)),
+          selectionX2Y2 = new fabric.Point(max(x1, x2), max(y1, y2)),
+          isClick = x1 === x2 && y1 === y2;
+
+      for (var i = this._objects.length; i--; ) {
+        currentObject = this._objects[i];
+
+        if (!currentObject || !currentObject.selectable || !currentObject.visible) continue;
+
+        if (currentObject.intersectsWithRect(selectionX1Y1, selectionX2Y2) ||
+            currentObject.isContainedWithinRect(selectionX1Y1, selectionX2Y2) ||
+            currentObject.containsPoint(selectionX1Y1) ||
+            currentObject.containsPoint(selectionX2Y2)
+        ) {
+          currentObject.set('active', true);
+          group.push(currentObject);
+
+          // only add one object if it's a click
+          if (isClick) break;
+        }
+      }
+
+      return group;
+    },
+
+    /**
+     * @private
+     */
+    _maybeGroupObjects: function(e) {
+      if (this.selection && this._groupSelector) {
+        this._groupSelectedObjects(e);
+      }
+
+      var activeGroup = this.getActiveGroup();
+      if (activeGroup) {
+        activeGroup.setObjectsCoords();
+        activeGroup.isMoving = false;
+        this._setCursor(this.defaultCursor);
+      }
+
+      // clear selection and current transformation
+      this._groupSelector = null;
+      this._currentTransform = null;
+    }
+  });
+
+})();
+
+
 fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {
 
   /**
diff --git a/src/canvas.class.js b/src/canvas.class.js
index 86499cee..b8fdf17e 100644
--- a/src/canvas.class.js
+++ b/src/canvas.class.js
@@ -5,8 +5,6 @@
       radiansToDegrees = fabric.util.radiansToDegrees,
       atan2 = Math.atan2,
       abs = Math.abs,
-      min = Math.min,
-      max = Math.max,
 
       STROKE_OFFSET = 0.5;
 
@@ -374,6 +372,9 @@
       return centerTransform ? !e.altKey : e.altKey;
     },
 
+    /**
+     * @private
+     */
     _getOriginFromCorner: function(target, corner) {
       var origin = {
         x: target.originX,
@@ -397,6 +398,9 @@
       return origin;
     },
 
+    /**
+     * @private
+     */
     _getActionFromCorner: function(target, corner) {
       var action = 'drag';
       if (corner) {
@@ -455,96 +459,6 @@
       this._resetCurrentTransform(e);
     },
 
-    /**
-     * @private
-     * @param {Event} e Event object
-     * @param {fabric.Object} target
-     * @return {Boolean}
-     */
-    _shouldHandleGroupLogic: function(e, target) {
-      var activeObject = this.getActiveObject();
-      return e.shiftKey &&
-            (this.getActiveGroup() || (activeObject && activeObject !== target))
-            && this.selection;
-    },
-
-    /**
-     * @private
-     * @param {Event} e Event object
-     * @param {fabric.Object} target
-     */
-    _handleGroupLogic: function (e, target) {
-
-      if (target === this.getActiveGroup()) {
-
-        // if it's a group, find target again, this time skipping group
-        target = this.findTarget(e, true);
-
-        // if even object is not found, bail out
-        if (!target || target.isType('group')) {
-          return;
-        }
-      }
-      if (this.getActiveGroup()) {
-        this._updateActiveGroup(target, e);
-      }
-      else {
-        this._createActiveGroup(target, e);
-      }
-
-      if (this._activeGroup) {
-        this._activeGroup.saveCoords();
-      }
-    },
-
-    _updateActiveGroup: function(target, e) {
-      var activeGroup = this.getActiveGroup();
-
-      if (activeGroup.contains(target)) {
-        activeGroup.removeWithUpdate(target);
-        this._resetObjectTransform(activeGroup);
-        target.set('active', false);
-
-        if (activeGroup.size() === 1) {
-          // remove group alltogether if after removal it only contains 1 object
-          this.discardActiveGroup(e);
-          // activate last remaining object
-          this.setActiveObject(activeGroup.item(0));
-          return;
-        }
-      }
-      else {
-        activeGroup.addWithUpdate(target);
-        this._resetObjectTransform(activeGroup);
-      }
-      this.fire('selection:created', { target: activeGroup, e: e });
-      activeGroup.set('active', true);
-    },
-
-    _createActiveGroup: function(target, e) {
-      // group does not exist
-      if (this._activeObject) {
-        // only if there's an active object
-        if (target !== this._activeObject) {
-          // and that object is not the actual target
-          var objects = this.getObjects();
-          var isActiveLower = objects.indexOf(this._activeObject) < objects.indexOf(target);
-          var groupObjects = isActiveLower
-              ? [ target, this._activeObject ]
-              : [ this._activeObject, target ];
-
-          var group = new fabric.Group(groupObjects, { originX: 'center', originY: 'center' });
-
-          this.setActiveGroup(group);
-          this._activeObject = null;
-          var activeGroup = this.getActiveGroup();
-          this.fire('selection:created', { target: activeGroup, e: e });
-        }
-      }
-      // activate target object in any case
-      target.set('active', true);
-    },
-
     /**
      * Translates object by "setting" its left/top
      * @private
@@ -810,65 +724,6 @@
       }
     },
 
-    /**
-     * @private
-     * @param {Event} e mouse event
-     */
-    _groupSelectedObjects: function (e) {
-
-      var group = this._collectObjects();
-
-      // do not create group for 1 element only
-      if (group.length === 1) {
-        this.setActiveObject(group[0], e);
-      }
-      else if (group.length > 1) {
-        group = new fabric.Group(group.reverse(), {
-          originX: 'center',
-          originY: 'center'
-        });
-        this.setActiveGroup(group, e);
-        group.saveCoords();
-        this.fire('selection:created', { target: group });
-        this.renderAll();
-      }
-    },
-
-    /**
-     * @private
-     */
-    _collectObjects: function() {
-      var group = [ ],
-          currentObject,
-          x1 = this._groupSelector.ex,
-          y1 = this._groupSelector.ey,
-          x2 = x1 + this._groupSelector.left,
-          y2 = y1 + this._groupSelector.top,
-          selectionX1Y1 = new fabric.Point(min(x1, x2), min(y1, y2)),
-          selectionX2Y2 = new fabric.Point(max(x1, x2), max(y1, y2)),
-          isClick = x1 === x2 && y1 === y2;
-
-      for (var i = this._objects.length; i--; ) {
-        currentObject = this._objects[i];
-
-        if (!currentObject || !currentObject.selectable || !currentObject.visible) continue;
-
-        if (currentObject.intersectsWithRect(selectionX1Y1, selectionX2Y2) ||
-            currentObject.isContainedWithinRect(selectionX1Y1, selectionX2Y2) ||
-            currentObject.containsPoint(selectionX1Y1) ||
-            currentObject.containsPoint(selectionX2Y2)
-        ) {
-          currentObject.set('active', true);
-          group.push(currentObject);
-
-          // only add one object if it's a click
-          if (isClick) break;
-        }
-      }
-
-      return group;
-    },
-
     /**
      * Method that determines what object we are clicking on
      * @param {Event} e mouse event
diff --git a/src/mixins/canvas_events.mixin.js b/src/mixins/canvas_events.mixin.js
index fdcff23c..9fe7e53d 100644
--- a/src/mixins/canvas_events.mixin.js
+++ b/src/mixins/canvas_events.mixin.js
@@ -235,26 +235,6 @@
       target && target.fire('mouseup', { e: e });
     },
 
-    /**
-     * @private
-     */
-    _maybeGroupObjects: function(e) {
-      if (this.selection && this._groupSelector) {
-        this._groupSelectedObjects(e);
-      }
-
-      var activeGroup = this.getActiveGroup();
-      if (activeGroup) {
-        activeGroup.setObjectsCoords();
-        activeGroup.isMoving = false;
-        this._setCursor(this.defaultCursor);
-      }
-
-      // clear selection and current transformation
-      this._groupSelector = null;
-      this._currentTransform = null;
-    },
-
     /**
      * @private
      */
@@ -374,8 +354,8 @@
       if (this._shouldClearSelection(e, target)) {
         this._clearSelection(e, target, pointer);
       }
-      else if (this._shouldHandleGroupLogic(e, target)) {
-        this._handleGroupLogic(e, target);
+      else if (this._shouldGroup(e, target)) {
+        this._handleGrouping(e, target);
         target = this.getActiveGroup();
       }
       else if (target && target.selectable) {
diff --git a/src/mixins/canvas_grouping.mixin.js b/src/mixins/canvas_grouping.mixin.js
new file mode 100644
index 00000000..6fe979d9
--- /dev/null
+++ b/src/mixins/canvas_grouping.mixin.js
@@ -0,0 +1,186 @@
+(function(){
+
+  var min = Math.min,
+      max = Math.max;
+
+  fabric.util.object.extend(fabric.Canvas.prototype, /** @lends fabric.Canvas.prototype */ {
+
+    /**
+     * @private
+     * @param {Event} e Event object
+     * @param {fabric.Object} target
+     * @return {Boolean}
+     */
+    _shouldGroup: function(e, target) {
+      var activeObject = this.getActiveObject();
+      return e.shiftKey &&
+            (this.getActiveGroup() || (activeObject && activeObject !== target))
+            && this.selection;
+    },
+
+    /**
+     * @private
+     * @param {Event} e Event object
+     * @param {fabric.Object} target
+     */
+    _handleGrouping: function (e, target) {
+
+      if (target === this.getActiveGroup()) {
+
+        // if it's a group, find target again, this time skipping group
+        target = this.findTarget(e, true);
+
+        // if even object is not found, bail out
+        if (!target || target.isType('group')) {
+          return;
+        }
+      }
+      if (this.getActiveGroup()) {
+        this._updateActiveGroup(target, e);
+      }
+      else {
+        this._createActiveGroup(target, e);
+      }
+
+      if (this._activeGroup) {
+        this._activeGroup.saveCoords();
+      }
+    },
+
+    /**
+     * @private
+     */
+    _updateActiveGroup: function(target, e) {
+      var activeGroup = this.getActiveGroup();
+
+      if (activeGroup.contains(target)) {
+
+        activeGroup.removeWithUpdate(target);
+        this._resetObjectTransform(activeGroup);
+        target.set('active', false);
+
+        if (activeGroup.size() === 1) {
+          // remove group alltogether if after removal it only contains 1 object
+          this.discardActiveGroup(e);
+          // activate last remaining object
+          this.setActiveObject(activeGroup.item(0));
+          return;
+        }
+      }
+      else {
+        activeGroup.addWithUpdate(target);
+        this._resetObjectTransform(activeGroup);
+      }
+      this.fire('selection:created', { target: activeGroup, e: e });
+      activeGroup.set('active', true);
+    },
+
+    /**
+     * @private
+     */
+    _createActiveGroup: function(target, e) {
+      if (this._activeObject) {
+        // only if there's an active object
+        if (target !== this._activeObject) {
+          // and that object is not the actual target
+          var objects = this.getObjects();
+          var isActiveLower = objects.indexOf(this._activeObject) < objects.indexOf(target);
+          var groupObjects = isActiveLower
+              ? [ target, this._activeObject ]
+              : [ this._activeObject, target ];
+
+          var group = new fabric.Group(groupObjects, { originX: 'center', originY: 'center' });
+
+          this.setActiveGroup(group);
+          this._activeObject = null;
+
+          var activeGroup = this.getActiveGroup();
+
+          this.fire('selection:created', { target: activeGroup, e: e });
+        }
+      }
+      // activate target object in any case
+      target.set('active', true);
+    },
+
+    /**
+     * @private
+     * @param {Event} e mouse event
+     */
+    _groupSelectedObjects: function (e) {
+
+      var group = this._collectObjects();
+
+      // do not create group for 1 element only
+      if (group.length === 1) {
+        this.setActiveObject(group[0], e);
+      }
+      else if (group.length > 1) {
+        group = new fabric.Group(group.reverse(), {
+          originX: 'center',
+          originY: 'center'
+        });
+        this.setActiveGroup(group, e);
+        group.saveCoords();
+        this.fire('selection:created', { target: group });
+        this.renderAll();
+      }
+    },
+
+    /**
+     * @private
+     */
+    _collectObjects: function() {
+      var group = [ ],
+          currentObject,
+          x1 = this._groupSelector.ex,
+          y1 = this._groupSelector.ey,
+          x2 = x1 + this._groupSelector.left,
+          y2 = y1 + this._groupSelector.top,
+          selectionX1Y1 = new fabric.Point(min(x1, x2), min(y1, y2)),
+          selectionX2Y2 = new fabric.Point(max(x1, x2), max(y1, y2)),
+          isClick = x1 === x2 && y1 === y2;
+
+      for (var i = this._objects.length; i--; ) {
+        currentObject = this._objects[i];
+
+        if (!currentObject || !currentObject.selectable || !currentObject.visible) continue;
+
+        if (currentObject.intersectsWithRect(selectionX1Y1, selectionX2Y2) ||
+            currentObject.isContainedWithinRect(selectionX1Y1, selectionX2Y2) ||
+            currentObject.containsPoint(selectionX1Y1) ||
+            currentObject.containsPoint(selectionX2Y2)
+        ) {
+          currentObject.set('active', true);
+          group.push(currentObject);
+
+          // only add one object if it's a click
+          if (isClick) break;
+        }
+      }
+
+      return group;
+    },
+
+    /**
+     * @private
+     */
+    _maybeGroupObjects: function(e) {
+      if (this.selection && this._groupSelector) {
+        this._groupSelectedObjects(e);
+      }
+
+      var activeGroup = this.getActiveGroup();
+      if (activeGroup) {
+        activeGroup.setObjectsCoords();
+        activeGroup.isMoving = false;
+        this._setCursor(this.defaultCursor);
+      }
+
+      // clear selection and current transformation
+      this._groupSelector = null;
+      this._currentTransform = null;
+    }
+  });
+
+})();