2013-08-27 14:23:23 +00:00
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/* build: `node build.js modules=ALL exclude=gestures` *//*! Fabric.js Copyright 2008-2013, Printio (Juriy Zaytsev, Maxim Chernyak) */var fabric=fabric||{version:"1.2.10"};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";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.rep
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2013-08-28 13:17:25 +00:00
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,f[o][n]||(f[o][n]=[]);var u=i(o,s);f[o][n].push(u),e.attachEvent("on"+n,u.wrappedHandler)},h=function(e,n,r){var i=t(e),s;if(f[i]&&f[i][n])for(var o=0,u=f[i][n].length;o<u;o++)s=f[i][n][o],s&&s.handler===r&&(e.detachEvent("on"+n,s.wrappedHandler),f[i][n][o]=null)}):(c=function(e,n,r){var i=t(e);l[i]||(l[i]={});if(!l[i][n]){l[i][n]=[];var s=e["on"+n];s&&l[i][n].push(s),e["on"+n]=o(i,n)}l[i][n].push(r)},h=function(e,n,r){var i=t(e);if(l[i]&&l[i][n]){var s=l[i][n];for(var o=0,u=s.length;o<u;o++)s[o]===r&&s.splice(o,1)}}),fabric.util.addListener=c,fabric.util.removeListener=h;var d=function(e){return typeof e.clientX!="unknown"?e.clientX:0},v=function(e){return typeof e.clientY!="unknown"?e.clientY:0};fabric.isTouchSupported&&(d=function(e){return e.type!=="touchend"?e.touches&&e.touches[0]?e.touches[0].pageX-(e.touches[0].pageX-e.touches[0].clientX)||e.clientX:e.clientX:e.changedTouches&&e.changedTouches[0]?e.changedTouches[0].pageX-(e.changedTouches[0].pageX-e.changedTouches[0].clientX)||e.clientX:e.clientX},v=function(e){return e.type!=="touchend"?e.touches&&e.touches[0]?e.touches[0].pageY-(e.touches[0].pageY-e.touches[0].clientY)||e.clientY:e.clientY:e.changedTouches&&e.changedTouches[0]?e.changedTouches[0].pageY-(e.changedTouches[0].pageY-e.changedTouches[0].clientY)||e.clientY:e.clientY}),fabric.util.getPointer=p,fabric.util.object.extend(fabric.util,fabric.Observable)}(),function(){function e(e,t){var n=e.style;if(!n)return e;if(typeof t=="string")return e.style.cssText+=";"+t,t.indexOf("opacity")>-1?s(e,t.match(/opacity:\s*(\d?\.?\d*)/)[1]):e;for(var r in t)if(r==="opacity")s(e,t[r]);else{var i=r==="float"||r==="cssFloat"?typeof n.styleFloat=="undefined"?"cssFloat":"styleFloat":r;n[i]=t[r]}return e}var t=fabric.document.createElement("div"),n=typeof t.style.opacity=="string",r=typeof t.style.filter=="string",i=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,s=function(e){return e};n?s=function(e,t){return e.style.opacity=t,e}:r&&(s=function(e,t){var n=e.style;return e.currentStyle&&!e.currentStyle.hasLayout&&(n.zoom=1),i.test(n.filter)?(t=t>=.9999?"":"alpha(opacity="+t*100+")",n.filter=n.filter.replace(i,t)):n.filter+=" alpha(opacity="+t*100+")",e}),fabric.util.setStyle=e}(),function(){function t(e){return typeof e=="string"?fabric.document.getElementById(e):e}function s(e,t){var n=fabric.document.createElement(e);for(var r in t)r==="class"?n.className=t[r]:r==="for"?n.htmlFor=t[r]:n.setAttribute(r,t[r]);return n}function o(e,t){(" "+e.className+" ").indexOf(" "+t+" ")===-1&&(e.className+=(e.className?" ":"")+t)}function u(e,t,n){return typeof t=="string"&&(t=s(t,n)),e.parentNode&&e.parentNode.replaceChild(t,e),t.appendChild(e),t}function a(e){var t,n,r={left:0,top:0},i=e&&e.ownerDocument,s={left:0,top:0},o={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!i)return{left:0,top:0};for(var u in o)s[o[u]]+=parseInt(f(e,u),10)||0;return t=i.documentElement,typeof e.getBoundingClientRect!="undefined"&&(r=e.getBoundingClientRect()),i!=null&&i===i.window?n=i:n=i.nodeType===9&&(i.defaultView||i.parentWindow),{left:r.left+(n.pageXOffset||t.scrollLeft)-(t.clientLeft||0)+s.left,top:r.top+(n.pageYOffset||t.scrollTop)-(t.clientTop||0)+s.top}}function f(e,t){e.style||(e.style={});if(fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle)return fabric.document.defaultView.getComputedStyle(e,null)[t];var n=e.style[t];return!n&&e.currentStyle&&(n=e.currentStyle[t]),n}var e=Array.prototype.slice,n=function(t){return e.call(t,0)},r;try{r=n(fabric.document.childNodes)instanceof Array}catch(i){}r||(n=function(e){var t=new Array(e.length),n=e.length;while(n--)t[n]=e[n];return t}),function(){function n(e){return typeof e.onselectstart!="undefined"&&(e.onselectstart=fabric.util.falseFunction),t?e.style[t]="none":typeof e.unselectable=="string"&&(e.unselectable="on"),e}function r(e){return typeof e.onselectstart!="undefined"&&(e.onselectstart=null),t?e.style[t]="":typeof e.unselectable=="string"&&(e.unselectable=""),e}var e=fabric.document.documentElement.style,t="userSelect"in e?"userSelect":"
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:1,backgroundImageStretch:!0,overlayImage:"",overlayImageLeft:0,overlayImageTop:0,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)),this.calcOffset()},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(e,t,n){return fabric.util.loadImage(e,function(e){this.overlayImage=e,n&&"overlayImageLeft"in n&&(this.overlayImageLeft=n.overlayImageLeft),n&&"overlayImageTop"in n&&(this.overlayImageTop=n.overlayImageTop),t&&t()},this),this},setBackgroundImage:function(e,t,n){return fabric.util.loadImage(e,function(e){this.backgroundImage=e,n&&"backgroundImageOpacity"in n&&(this.backgroundImageOpacity=n.backgroundImageOpacity),n&&"backgroundImageStretch"in n&&(this.backgroundImageStretch=n.backgroundImageStretch),t&&t()},this),this},setBackgroundColor:function(e,t){if(e.source){var n=this;fabric.util.loadImage(e.source,function(r){n.backgroundColor=new fabric.Pattern({source:r,repeat:e.repeat}),t&&t()})}else this.backgroundColor=e,t&&t();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.fire("object:removed",{target:e}),e.fire("removed")},getObjects:function(){return this._objects},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"];this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this
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n(this.upperCanvasEl,"mousemove",this._onMouseMove),fabric.isTouchSupported&&n(this.upperCanvasEl,"touchmove",this._onMouseMove)},_onMouseMove:function(e){!this.allowTouchScrolling&&e.preventDefault&&e.preventDefault(),this.__onMouseMove(e)},_onResize:function(){this.calcOffset()},__onMouseUp:function(e){var t;if(this.isDrawingMode&&this._isCurrentlyDrawing){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this.fire("mouse:up",{e:e});return}if(this._currentTransform){var n=this._currentTransform;t=n.target,t._scaling&&(t._scaling=!1),t.isMoving=!1,t.setCoords(),this.stateful&&t.hasStateChanged()&&(this.fire("object:modified",{target:t}),t.fire("modified")),this._previousOriginX&&(this._currentTransform.target.adjustPosition(this._previousOriginX),this._previousOriginX=null)}this._currentTransform=null,this.selection&&this._groupSelector&&this._findSelectedObjects(e);var r=this.getActiveGroup();r&&(r.setObjectsCoords(),r.set("isMoving",!1),this._setCursor(this.defaultCursor)),this._groupSelector=null,this.renderAll(),this._setCursorFromEvent(e,t);var i=this;setTimeout(function(){i._setCursorFromEvent(e,t)},50),this.fire("mouse:up",{target:t,e:e}),t&&t.fire("mouseup",{e:e})},__onMouseDown:function(e){var t,n="which"in e?e.which===1:e.button===1;if(!n&&!fabric.isTouchSupported)return;if(this.isDrawingMode){t=this.getPointer(e),this._isCurrentlyDrawing=!0,this.discardActiveObject().renderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop),this.freeDrawingBrush.onMouseDown(t),this.fire("mouse:down",{e:e});return}if(this._currentTransform)return;var r=this.findTarget(e),i;t=this.getPointer(e),this._shouldClearSelection(e,r)?(this._groupSelector={ex:t.x,ey:t.y,top:0,left:0},this.deactivateAllWithDispatch(),r&&r.selectable&&this.setActiveObject(r,e)):this._shouldHandleGroupLogic(e,r)?(this._handleGroupLogic(e,r),r=this.getActiveGroup()):(this.stateful&&r.saveState(),(i=r._findTargetCorner(e,this._offset))&&this.onBeforeScaleRotate(r),r!==this.getActiveGroup()&&r!==this.getActiveObject()&&(this.deactivateAll(),this.setActiveObject(r,e)),this._setupCurrentTransform(e,r)),this.renderAll(),this.fire("mouse:down",{target:r,e:e}),r&&r.fire("mousedown",{e:e}),i==="mtr"&&(this._previousOriginX=this._currentTransform.target.originX,this._currentTransform.target.adjustPosition("center"),this._currentTransform.left=this._currentTransform.target.left,this._currentTransform.top=this._currentTransform.target.top)},__onMouseMove:function(e){var t,n;if(this.isDrawingMode){this._isCurrentlyDrawing&&(n=this.getPointer(e),this.freeDrawingBrush.onMouseMove(n)),this.upperCanvasEl.style.cursor=this.freeDrawingCursor,this.fire("mouse:move",{e: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);if(!t||t&&!t.selectable){for(var o=this._objects.length;o--;)this._objects[o]&&!this._objects[o].active&&this._objects[o].set("active",!1);s.cursor=this.defaultCursor}else this._setCursorFromEvent(e,t)}else{n=i(e,this.upperCanvasEl);var u=n.x,a=n.y,f=!1,l=this._currentTransform;t=l.target,t.isMoving=!0,(l.action==="scale"||l.action==="scaleX"||l.action==="scaleY")&&(e.altKey&&(l.originX!=="center"||l.originY!=="center")||!e.altKey&&l.originX==="center"&&l.originY==="center")&&(this._resetCurrentTransform(e),f=!0),l.action==="rotate"?(this._rotateObject(u,a),this.fire("object:rotating",{target:t,e:e}),t.fire("rotating",{e:e})):l.action==="scale"?((e.shiftKey||this.uniScaleTransform)&&!t.get("lockUniScaling")?(l.currentAction="scale",this._scaleObject(u,a)):(!f&&l.currentAction==="scale"&&this._resetCurrentTransform(e),l.currentAction="scaleEqually",this._scaleObject(u,a,"equally")),this.fire("object:scaling",{target:t,e:e}),t.fire("scaling",{e:e})):l.action==="scaleX"?(this._scaleObject(u,a,"x"),this.fire("object:scaling",{target:t,e:e}),t.fire("scaling",{e:e})):l.action==="scaleY"?(this._scaleObject(u,a,"y"),this.fir
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2013-08-30 11:52:24 +00:00
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.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(){var e=this._createBaseSVGMarkup();return e.push("<line ",'x1="',this.get("x1"),'" y1="',this.get("y1"),'" x2="',this.get("x2"),'" y2="',this.get("y2"),'" style="',this.getSvgStyles(),'"/>'),e.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(){var e=this._createBaseSVGMarkup();return e.push("<circle ",'cx="0" cy="0" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e.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(){var e=this._createBaseSVGMarkup(),t=this.width/2,n=this.height/2,r=[-t+" "+n,"0 "+ -n,t+" "+n].join(",");return e.push("<polygon ",'points="',r,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e.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.
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2013-08-31 22:10:12 +00:00
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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){var r=t.document.createElement("img"),i=e.mask.src;r.onload=function(){e.mask=new t.Image(r,e.mask),n&&n(new t.Image.filters.Mask(e)),r=r.onload=r.onerror=null},r.onerror=function(){t.log("Error loading "+r.src),n&&n(null,!0),r=r.onload=r.onerror=null},r.src=i},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
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