diff --git a/CHANGELOG.md b/CHANGELOG.md index 1f8fad28139..de6430d29c8 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -9,6 +9,7 @@ - fix(fabric.Text): improve compatibility with transformed gradients [#6669](https://github.com/fabricjs/fabric.js/pull/6669) - feat(fabric.Text): Add ability to put text on paths BETA [#6543](https://github.com/fabricjs/fabric.js/pull/6543) - fix(fabric.Canvas): rotation handle should take origin into account [#6686](https://github.com/fabricjs/fabric.js/pull/6686) +- fix(fabric.Text): Text on path, fix non linear distance of chars over path [#6671](https://github.com/fabricjs/fabric.js/pull/6671) ## [4.2.0] diff --git a/HEADER.js b/HEADER.js index a8262923a60..46728498b13 100644 --- a/HEADER.js +++ b/HEADER.js @@ -1,6 +1,6 @@ /*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */ -var fabric = fabric || { version: '4.2.0' }; +var fabric = fabric || { version: '4.3.0' }; if (typeof exports !== 'undefined') { exports.fabric = fabric; } @@ -73,7 +73,7 @@ fabric.SHARED_ATTRIBUTES = [ */ fabric.DPI = 96; fabric.reNum = '(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:[eE][-+]?\\d+)?)'; -fabric.commaWsp = '(?:\\s+,?\\s*|,\\s*)' +fabric.commaWsp = '(?:\\s+,?\\s*|,\\s*)'; fabric.rePathCommand = /([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:[eE][-+]?\d+)?)/ig; fabric.reNonWord = /[ \n\.,;!\?\-]/; fabric.fontPaths = { }; diff --git a/dist/fabric.js b/dist/fabric.js index 1239303750e..f01375e349a 100644 --- a/dist/fabric.js +++ b/dist/fabric.js @@ -1,7 +1,7 @@ /* build: `node build.js modules=ALL exclude=gestures,accessors requirejs minifier=uglifyjs` */ /*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */ -var fabric = fabric || { version: '4.2.0' }; +var fabric = fabric || { version: '4.3.0' }; if (typeof exports !== 'undefined') { exports.fabric = fabric; } @@ -74,7 +74,7 @@ fabric.SHARED_ATTRIBUTES = [ */ fabric.DPI = 96; fabric.reNum = '(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:[eE][-+]?\\d+)?)'; -fabric.commaWsp = '(?:\\s+,?\\s*|,\\s*)' +fabric.commaWsp = '(?:\\s+,?\\s*|,\\s*)'; fabric.rePathCommand = /([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:[eE][-+]?\d+)?)/ig; fabric.reNonWord = /[ \n\.,;!\?\-]/; fabric.fontPaths = { }; @@ -163,7 +163,7 @@ fabric.devicePixelRatio = fabric.window.devicePixelRatio || fabric.browserShadowBlurConstant = 1; /** - * This object contains the result of arc to beizer conversion for faster retrieving if the same arc needs to be converted again. + * This object contains the result of arc to bezier conversion for faster retrieving if the same arc needs to be converted again. * It was an internal variable, is accessible since version 2.3.4 */ fabric.arcToSegmentsCache = { }; @@ -1551,7 +1551,7 @@ fabric.CommonMethods = { /** * given an array of 6 number returns something like `"matrix(...numbers)"` * @memberOf fabric.util - * @param {Array} trasnform an array with 6 numbers + * @param {Array} transform an array with 6 numbers * @return {String} transform matrix for svg * @return {Object.y} Limited dimensions by Y */ @@ -1724,7 +1724,7 @@ fabric.CommonMethods = { * @param {Number} y1 * @param {Number} x2 secondo control point * @param {Number} y2 - * @param {Number} x3 end of beizer + * @param {Number} x3 end of bezier * @param {Number} y3 */ // taken from http://jsbin.com/ivomiq/56/edit no credits available for that. @@ -1812,12 +1812,12 @@ fabric.CommonMethods = { } /** - * Converts arc to a bunch of beizer curves + * Converts arc to a bunch of bezier curves * @param {Number} fx starting point x * @param {Number} fy starting point y * @param {Array} coords Arc command */ - function fromArcToBeizers(fx, fy, coords) { + function fromArcToBeziers(fx, fy, coords) { var rx = coords[1], ry = coords[2], rot = coords[3], @@ -1838,7 +1838,13 @@ fabric.CommonMethods = { return segsNorm; }; - + /** + * This function take a parsed SVG path and make it simpler for fabricJS logic. + * simplification consist of: only UPPERCASE absolute commands ( relative converted to absolute ) + * S converted in C, T converted in Q, A converted in C. + * @param {Array} path the array of commands of a parsed svg path for fabric.Path + * @return {Array} the simplified array of commands of a parsed svg path for fabric.Path + */ function makePathSimpler(path) { // x and y represent the last point of the path. the previous command point. // we add them to each relative command to make it an absolute comment. @@ -1986,7 +1992,7 @@ fabric.CommonMethods = { // falls through case 'A': converted = true; - destinationPath = destinationPath.concat(fromArcToBeizers(x, y, current)); + destinationPath = destinationPath.concat(fromArcToBeziers(x, y, current)); x = current[6]; y = current[7]; break; @@ -2064,6 +2070,8 @@ fabric.CommonMethods = { }; } + // this will run over a path segment ( a cubic or quadratic segment) and approximate it + // with 100 segemnts. This will good enough to calculate the length of the curve function pathIterator(iterator, x1, y1) { var tempP = { x: x1, y: y1 }, p, tmpLen = 0, perc; for (perc = 0.01; perc <= 1; perc += 0.01) { @@ -2074,7 +2082,43 @@ fabric.CommonMethods = { return tmpLen; } - //measures the length of a pre-simplified path + /** + * Given a pathInfo, and a distance in pixels, find the percentage from 0 to 1 + * that correspond to that pixels run over the path. + * The percentage will be then used to find the correct point on the canvas for the path. + * @param {Array} segInfo fabricJS collection of information on a parsed path + * @param {Number} distance from starting point, in pixels. + * @return {Number} length of segment + */ + function findPercentageForDistance(segInfo, distance) { + var perc = 0, tmpLen = 0, iterator = segInfo.iterator, tempP = { x: segInfo.x, y: segInfo.y }, + p, nextLen, nextStep = 0.01; + // nextStep > 0.0001 covers 0.00015625 that 1/64th of 1/100 + // the path + while (tmpLen < distance && perc <= 1 && nextStep > 0.0001) { + p = iterator(perc); + nextLen = calcLineLength(tempP.x, tempP.y, p.x, p.y); + // compare tmpLen each cycle with distance, decide next perc to test. + if ((nextLen + tmpLen) > distance) { + // we discard this step and we make smaller steps. + nextStep /= 2; + perc -= nextStep; + } + else { + tempP = p; + perc += nextStep; + tmpLen += nextLen; + } + } + return p; + } + + /** + * Run over a parsed and simplifed path and extrac some informations. + * informations are length of each command and starting point + * @param {Array} path fabricJS parsed path commands + * @return {Array} path commands informations + */ function getPathSegmentsInfo(path) { var totalLength = 0, len = path.length, current, //x2 and y2 are the coords of segment start @@ -2109,6 +2153,7 @@ fabric.CommonMethods = { current[5], current[6] ); + tempInfo.iterator = iterator; tempInfo.length = pathIterator(iterator, x1, y1); x1 = current[5]; y1 = current[6]; @@ -2122,6 +2167,7 @@ fabric.CommonMethods = { current[3], current[4] ); + tempInfo.iterator = iterator; tempInfo.length = pathIterator(iterator, x1, y1); x1 = current[3]; y1 = current[4]; @@ -2143,53 +2189,37 @@ fabric.CommonMethods = { return info; } - function getPointOnPath(path, perc, infos) { + function getPointOnPath(path, distance, infos) { if (!infos) { infos = getPathSegmentsInfo(path); } - var distance = infos[infos.length - 1] * perc, i = 0; - while ((distance - infos[i] > 0) && i < infos.length) { - distance -= infos[i]; + // var distance = infos[infos.length - 1] * perc; + var i = 0; + while ((distance - infos[i].length > 0) && i < (infos.length - 2)) { + distance -= infos[i].length; i++; } var segInfo = infos[i], segPercent = distance / segInfo.length, - command = segInfo.length, segment = path[i]; + command = segInfo.command, segment = path[i]; + switch (command) { + case 'M': + return { x: segInfo.x, y: segInfo.y }; case 'Z': case 'z': return new fabric.Point(segInfo.x, segInfo.y).lerp( new fabric.Point(segInfo.destX, segInfo.destY), segPercent ); - break; case 'L': return new fabric.Point(segInfo.x, segInfo.y).lerp( new fabric.Point(segment[1], segment[2]), segPercent ); - break; case 'C': - return getPointOnCubicBezierIterator( - segInfo.x, - segInfo.y, - segment[1], - segment[2], - segment[3], - segment[4], - segment[5], - segment[6] - )(segPercent); - break; + return findPercentageForDistance(segInfo, distance); case 'Q': - return getPointOnQuadraticBezierIterator( - segInfo.x, - segInfo.y, - segment[1], - segment[2], - segment[3], - segment[4] - )(segPercent); - break; + return findPercentageForDistance(segInfo, distance); } } @@ -2291,6 +2321,7 @@ fabric.CommonMethods = { /** * Draws arc + * @deprecated * @param {CanvasRenderingContext2D} ctx * @param {Number} fx * @param {Number} fy @@ -2298,16 +2329,22 @@ fabric.CommonMethods = { */ function drawArc(ctx, fx, fy, coords) { coords = coords.slice(0).unshift('X'); // command A or a does not matter - var beizers = fromArcToBeizers(fx, fy, coords); - beizers.forEach(function(beizer) { - ctx.bezierCurveTo.apply(ctx, beizer.slice(1)); + var beziers = fromArcToBeziers(fx, fy, coords); + beziers.forEach(function(bezier) { + ctx.bezierCurveTo.apply(ctx, bezier.slice(1)); }); }; fabric.util.parsePath = parsePath; fabric.util.makePathSimpler = makePathSimpler; fabric.util.getPathSegmentsInfo = getPathSegmentsInfo; - fabric.util.fromArcToBeizers = fromArcToBeizers; + fabric.util.fromArcToBeziers = fromArcToBeziers; + /** + * Typo of `fromArcToBeziers` kept for not breaking the api once corrected. + * Will be removed in fabric 5.0 + * @deprecated + */ + fabric.util.fromArcToBeizers = fromArcToBeziers; fabric.util.getBoundsOfCurve = getBoundsOfCurve; fabric.util.getPointOnPath = getPointOnPath; // kept because we do not want to make breaking changes. @@ -3924,7 +3961,7 @@ fabric.warn = console.warn; return value; } else if (attr === 'imageSmoothing') { - return (value === 'optimizeQuality' ? true : false); + return (value === 'optimizeQuality'); } else { parsed = isArray ? value.map(parseUnit) : parseUnit(value, fontSize); @@ -4768,8 +4805,7 @@ fabric.warn = console.warn; // very crude parsing of style contents for (i = 0, len = styles.length; i < len; i++) { - // \n"].join("")),c},_setSVGObjects:function(t,e){var i,r,n,s=this._objects;for(r=0,n=s.length;r\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(e=(r=n._objects).length;e--;)i=r[e],h(this._objects,i),this._objects.unshift(i);else h(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(r=n._objects,e=0;e"}}),n(fabric.StaticCanvas.prototype,fabric.Observable),n(fabric.StaticCanvas.prototype,fabric.Collection),n(fabric.StaticCanvas.prototype,fabric.DataURLExporter),n(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=r();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"setLineDash":return void 0!==i.setLineDash;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject,fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var t=i(this.lowerCanvasEl);return t&&t.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){var e=i(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas,e=this.shadow,i=t.contextTop,r=t.getZoom();t&&t._isRetinaScaling()&&(r*=fabric.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*r,i.shadowOffsetX=e.offsetX*r,i.shadowOffsetY=e.offsetY*r}},needsFullRender:function(){return new fabric.Color(this.color).getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{decimate:.4,initialize:function(t){this.canvas=t,this._points=[]},_drawSegment:function(t,e,i){var r=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,r.x,r.y),r},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&this._captureDrawingPath(t)&&1t[e-2].x?1:n.x===t[e-2].x?0:-1,c=n.y>t[e-2].y?1:n.y===t[e-2].y?0:-1),i.push("L ",n.x+a*r," ",n.y+c*r),i},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray});return this.shadow&&(this.shadow.affectStroke=!0,e.shadow=new fabric.Shadow(this.shadow)),e},decimatePoints:function(t,e){if(t.length<=2)return t;var i,r=this.canvas.getZoom(),n=Math.pow(e/r,2),s=t.length-1,o=t[0],a=[o];for(i=1;i"},getObjectScaling:function(){var t=x.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(t.scaleX),scaleY:Math.abs(t.scaleY)}},getTotalObjectScaling:function(){var t=this.getObjectScaling(),e=t.scaleX,i=t.scaleY;if(this.canvas){var r=this.canvas.getZoom(),n=this.canvas.getRetinaScaling();e*=r*n,i*=r*n}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,e){var i="scaleX"===t||"scaleY"===t,r=this[t]!==e,n=!1;return i&&(e=this._constrainScale(e)),"scaleX"===t&&e<0?(this.flipX=!this.flipX,e*=-1):"scaleY"===t&&e<0?(this.flipY=!this.flipY,e*=-1):"shadow"!==t||!e||e instanceof x.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",e):e=new x.Shadow(e),this[t]=e,r&&(n=this.group&&this.group.isOnACache(),-1=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var n=this._getCoords(i,r),s=(e=e||this._getImageLines(n),this._findCrossPoints(t,e));return 0!==s&&s%2==1},isOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.getCoords(!0,t).some(function(t){return t.x<=i.x&&t.x>=e.x&&t.y<=i.y&&t.y>=e.y})||(!!this.intersectsWithRect(e,i,!0,t)||this._containsCenterOfCanvas(e,i,t))},_containsCenterOfCanvas:function(t,e,i){var r={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(r,null,!0,i)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,i,!0,t)||this.getCoords(!0,t).every(function(t){return(t.x>=i.x||t.x<=e.x)&&(t.y>=i.y||t.y<=e.y)})&&this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s=0;for(var o in e)if(!((n=e[o]).o.y=t.y&&n.d.y>=t.y||(n.o.x===n.d.x&&n.o.x>=t.x?r=n.o.x:(0,i=(n.d.y-n.o.y)/(n.d.x-n.o.x),r=-(t.y-0*t.x-(n.o.y-i*n.o.x))/(0-i)),r>=t.x&&(s+=1),2!==s)))break;return s},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return h.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,r=e.additionalTransform||"",n=[this.getSvgTransform(!0,r),this.getSvgCommons()].join(""),s=t.indexOf("COMMON_PARTS");return t[s]=n,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,r,n=(e=e||{}).noStyle,s=e.reviver,o=n?"":'style="'+this.getSvgStyles()+'" ',a=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",c=this.clipPath,h=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",l=c&&c.absolutePositioned,u=this.stroke,f=this.fill,d=this.shadow,g=[],p=t.indexOf("COMMON_PARTS"),v=e.additionalTransform;return c&&(c.clipPathId="CLIPPATH_"+fabric.Object.__uid++,r='\n'+c.toClipPathSVG(s)+"\n"),l&&g.push("\n"),g.push("\n"),i=[o,h,n?"":this.addPaintOrder()," ",v?'transform="'+v+'" ':""].join(""),t[p]=i,f&&f.toLive&&g.push(f.toSVG(this)),u&&u.toLive&&g.push(u.toSVG(this)),d&&g.push(d.toSVG(this)),c&&g.push(r),g.push(t.join("")),g.push("\n"),l&&g.push("\n"),s?s(g.join("")):g.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var n=fabric.util.object.extend,r="stateProperties";function s(e,t,i){var r={};i.forEach(function(t){r[t]=e[t]}),n(e[t],r,!0)}fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){var e="_"+(t=t||r);return Object.keys(this[e]).length\n']}}),s.Line.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),s.Line.fromElement=function(t,e,i){i=i||{};var r=s.parseAttributes(t,s.Line.ATTRIBUTE_NAMES),n=[r.x1||0,r.y1||0,r.x2||0,r.y2||0];e(new s.Line(n,o(r,i)))},s.Line.fromObject=function(t,e){var i=r(t,!0);i.points=[t.x1,t.y1,t.x2,t.y2],s.Object._fromObject("Line",i,function(t){delete t.points,e&&e(t)},"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var a=t.fabric||(t.fabric={}),c=Math.PI;a.Circle?a.warn("fabric.Circle is already defined."):(a.Circle=a.util.createClass(a.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*c,cacheProperties:a.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},_toSVG:function(){var t,e=(this.endAngle-this.startAngle)%(2*c);if(0===e)t=["\n'];else{var i=a.util.cos(this.startAngle)*this.radius,r=a.util.sin(this.startAngle)*this.radius,n=a.util.cos(this.endAngle)*this.radius,s=a.util.sin(this.endAngle)*this.radius,o=c\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),a.Circle.ATTRIBUTE_NAMES=a.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),a.Circle.fromElement=function(t,e){var i,r=a.parseAttributes(t,a.Circle.ATTRIBUTE_NAMES);if(!("radius"in(i=r)&&0<=i.radius))throw new Error("value of `r` attribute is required and can not be negative");r.left=(r.left||0)-r.radius,r.top=(r.top||0)-r.radius,e(new a.Circle(r))},a.Circle.fromObject=function(t,e){return a.Object._fromObject("Circle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var r=t.fabric||(t.fabric={});r.Triangle?r.warn("fabric.Triangle is already defined"):(r.Triangle=r.util.createClass(r.Object,{type:"triangle",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),r.util.drawDashedLine(t,-e,i,0,-i,this.strokeDashArray),r.util.drawDashedLine(t,0,-i,e,i,this.strokeDashArray),r.util.drawDashedLine(t,e,i,-e,i,this.strokeDashArray),t.closePath()},_toSVG:function(){var t=this.width/2,e=this.height/2;return["']}}),r.Triangle.fromObject=function(t,e){return r.Object._fromObject("Triangle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var r=t.fabric||(t.fabric={}),e=2*Math.PI;r.Ellipse?r.warn("fabric.Ellipse is already defined."):(r.Ellipse=r.util.createClass(r.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:r.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,e,!1),t.restore(),this._renderPaintInOrder(t)}}),r.Ellipse.ATTRIBUTE_NAMES=r.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),r.Ellipse.fromElement=function(t,e){var i=r.parseAttributes(t,r.Ellipse.ATTRIBUTE_NAMES);i.left=(i.left||0)-i.rx,i.top=(i.top||0)-i.ry,e(new r.Ellipse(i))},r.Ellipse.fromObject=function(t,e){return r.Object._fromObject("Ellipse",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var s=t.fabric||(t.fabric={}),o=s.util.object.extend;s.Rect?s.warn("fabric.Rect is already defined"):(s.Rect=s.util.createClass(s.Object,{stateProperties:s.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:s.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,c=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-c*e,o,s+r,o+c*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-c*i,s+r-c*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+c*e,o+n,s,o+n-c*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+c*i,s+c*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,n=this.height;t.beginPath(),s.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),s.util.drawDashedLine(t,e+r,i,e+r,i+n,this.strokeDashArray),s.util.drawDashedLine(t,e+r,i+n,e,i+n,this.strokeDashArray),s.util.drawDashedLine(t,e,i+n,e,i,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']}}),s.Rect.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),s.Rect.fromElement=function(t,e,i){if(!t)return e(null);i=i||{};var r=s.parseAttributes(t,s.Rect.ATTRIBUTE_NAMES);r.left=r.left||0,r.top=r.top||0,r.height=r.height||0,r.width=r.width||0;var n=new s.Rect(o(i?s.util.object.clone(i):{},r));n.visible=n.visible&&0\n']},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){return n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()})})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},_toSVG:function(){return["\n"]},_getOffsetTransform:function(){var t=f.Object.NUM_FRACTION_DIGITS;return" translate("+e(-this.pathOffset.x,t)+", "+e(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var t,e,i=[],r=[],n=0,s=0,o=0,a=0,c=0,h=this.path.length;c"},addWithUpdate:function(t){return this._restoreObjectsState(),h.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),h.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);if("canvas"===t)for(;i--;)this._objects[i]._set(t,e);h.Object.prototype._set.call(this,t,e)},toObject:function(r){var n=this.includeDefaultValues,t=this._objects.map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=n;var i=t.toObject(r);return t.includeDefaultValues=e,i}),e=h.Object.prototype.toObject.call(this,r);return e.objects=t,e},toDatalessObject:function(r){var t,e=this.sourcePath;if(e)t=e;else{var n=this.includeDefaultValues;t=this._objects.map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=n;var i=t.toDatalessObject(r);return t.includeDefaultValues=e,i})}var i=h.Object.prototype.toDatalessObject.call(this,r);return i.objects=t,i},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=h.Object.prototype.shouldCache.call(this);if(t)for(var e=0,i=this._objects.length;e\n"],i=0,r=this._objects.length;i\n"),e},getSvgStyles:function(){var t=void 0!==this.opacity&&1!==this.opacity?"opacity: "+this.opacity+";":"",e=this.visible?"":" visibility: hidden;";return[t,this.getSvgFilter(),e].join("")},toClipPathSVG:function(t){for(var e=[],i=0,r=this._objects.length;i"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),void 0===(i=i||{}).hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;r\n','\t\n',"\n"),o=' clip-path="url(#imageCrop_'+c+')" '}if(this.imageSmoothing||(a='" image-rendering="optimizeSpeed'),i.push("\t\n"),this.stroke||this.strokeDashArray){var h=this.fill;this.fill=null,t=["\t\n'],this.fill=h}return e="fill"!==this.paintFirst?e.concat(t,i):e.concat(i,t)},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():this.srcFromAttribute?e.getAttribute("src"):e.src:this.src||""},setSrc:function(t,i,r){return fabric.util.loadImage(t,function(t,e){this.setElement(t,r),this._setWidthHeight(),i&&i(this,e)},this,r&&r.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),r=i.scaleX,n=i.scaleY,s=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||e=t;for(var a=["highp","mediump","lowp"],c=0;c<3;c++)if(void 0,i="precision "+a[c]+" float;\nvoid main(){}",r=(e=s).createShader(e.FRAGMENT_SHADER),e.shaderSource(r,i),e.compileShader(r),e.getShaderParameter(r,e.COMPILE_STATUS)){fabric.webGlPrecision=a[c];break}}return this.isSupported=o},(fabric.WebglFilterBackend=t).prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r=void 0!==window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var n="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(r&&i&&n&&s){var o=fabric.util.createCanvasElement(),a=new ArrayBuffer(t*e*4);if(fabric.forceGLPutImageData)return this.imageBuffer=a,void(this.copyGLTo2D=copyGLTo2DPutImageData);var c,h,l={imageBuffer:a,destinationWidth:t,destinationHeight:e,targetCanvas:o};o.width=t,o.height=e,c=window.performance.now(),copyGLTo2DDrawImage.call(l,this.gl,l),h=window.performance.now()-c,c=window.performance.now(),copyGLTo2DPutImageData.call(l,this.gl,l),window.performance.now()-c 0.0) {\n"+this.fragmentSource[t]+"}\n}"},retrieveShader:function(t){var e,i=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(i)||(e=this.buildSource(this.mode),t.programCache[i]=this.createProgram(t.context,e)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,s,o,a,c=t.imageData.data,h=c.length,l=1-this.alpha;e=(a=new f.Color(this.color).getSource())[0]*this.alpha,i=a[1]*this.alpha,r=a[2]*this.alpha;for(var u=0;u'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;ethis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e);return{selectionStart:n,selectionEnd:n+fabric.util.string.graphemeSplit(s).length}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+i.slice(t,e).join("").length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),c={x:e.left+o,y:e.top+e.topOffset+s},h=this.canvas.getRetinaScaling(),l=this.canvas.upperCanvasEl,u=l.width/h,f=l.height/h,d=u-s,g=f-s,p=l.clientWidth/u,v=l.clientHeight/f;return c=fabric.util.transformPoint(c,a),(c=fabric.util.transformPoint(c,this.canvas.viewportTransform)).x*=p,c.y*=v,c.x<0&&(c.x=0),c.x>d&&(c.x=d),c.y<0&&(c.y=0),c.y>g&&(c.y=g),c.x+=this.canvas._offset.left,c.y+=this.canvas._offset.top,{left:c.x+"px",top:c.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text,e=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,e&&(e.blur&&e.blur(),e.parentNode&&e.parentNode.removeChild(e)),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,c=s.lineIndex,h=s.charIndex;if(o!==c){if(this.styles[o])for(i=a;it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=t.pointer;this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(t){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(t.e))},tripleClickHandler:function(t){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(t.e))},initClicks:function(){this.on("mousedblclick",this.doubleClickHandler),this.on("tripleclick",this.tripleClickHandler)},_mouseDownHandler:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.__isMousedown=!0,this.selected&&(this.inCompositionMode=!1,this.setCursorByClick(t.e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.selected=this===this.canvas._activeObject)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler),this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){if(this.__isMousedown=!1,!(!this.editable||this.group||t.transform&&t.transform.actionPerformed||t.e.button&&1!==t.e.button)){if(this.canvas){var e=this.canvas._activeObject;if(e&&e!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e=this.getLocalPointer(t),i=0,r=0,n=0,s=0,o=0,a=0,c=this._textLines.length;athis._text.length&&(a=this._text.length),a}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),33<=t.keyCode&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n,s,o,a=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,c=this._text.length,h=a.length,l=h-c,u=this.selectionStart,f=this.selectionEnd,d=u!==f;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var g=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),p=u>g.selectionStart;d?(i=this._text.slice(u,f),l+=f-u):h=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?i+="Shift":i+="outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){void 0===e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,r){void 0===r&&(r=i),i",t.textSpans.join(""),"\n"]},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(t),""].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,c,h=this.getHeightOfLine(e),l=-1!==this.textAlign.indexOf("justify"),u="",f=0,d=this._textLines[e];r+=h*(1-this._fontSizeFraction)/this.lineHeight;for(var g=0,p=d.length-1;g<=p;g++)c=g===p||this.charSpacing,u+=d[g],o=this.__charBounds[e][g],0===f?(i+=o.kernedWidth-o.width,f+=o.width):f+=o.kernedWidth,l&&!c&&this._reSpaceAndTab.test(d[g])&&(c=!0),c||(n=n||this.getCompleteStyleDeclaration(e,g),s=this.getCompleteStyleDeclaration(e,g+1),c=this._hasStyleChangedForSvg(n,s)),c&&(a=this._getStyleDeclaration(e,g)||{},t.push(this._createTextCharSpan(u,a,i,r)),u="",n=s,i+=f,f=0)},_pushTextBgRect:function(t,e,i,r,n,s){var o=fabric.Object.NUM_FRACTION_DIGITS;t.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,c=0,h=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;sthis.dynamicMinWidth&&(this.dynamicMinWidth=g-v+r),o},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t){return this.splitByGrapheme?this.isEndOfWrapping(t)?1:0:1},_splitTextIntoLines:function(t){for(var e=b.Text.prototype._splitTextIntoLines.call(this,t),i=this._wrapText(e.lines,this.width),r=new Array(i.length),n=0;ny)for(var C=1,S=d.length;C/g,">")},graphemeSplit:function(t){var e,i=0,r=[];for(i=0;it.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,e){return void 0===e&&(e=.5),e=Math.max(Math.min(1,e),0),new i(this.x+(t.x-this.x)*e,this.y+(t.y-this.y)*e)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new i(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new i(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new i(this.x,this.y)}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var f=t.fabric||(t.fabric={});function d(t){this.status=t,this.points=[]}f.Intersection?f.warn("fabric.Intersection is already defined"):(f.Intersection=d,f.Intersection.prototype={constructor:d,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},f.Intersection.intersectLineLine=function(t,e,i,r){var n,s=(r.x-i.x)*(t.y-i.y)-(r.y-i.y)*(t.x-i.x),o=(e.x-t.x)*(t.y-i.y)-(e.y-t.y)*(t.x-i.x),a=(r.y-i.y)*(e.x-t.x)-(r.x-i.x)*(e.y-t.y);if(0!==a){var h=s/a,c=o/a;0<=h&&h<=1&&0<=c&&c<=1?(n=new d("Intersection")).appendPoint(new f.Point(t.x+h*(e.x-t.x),t.y+h*(e.y-t.y))):n=new d}else n=new d(0===s||0===o?"Coincident":"Parallel");return n},f.Intersection.intersectLinePolygon=function(t,e,i){var r,n,s,o,a=new d,h=i.length;for(o=0;o=h&&(c.x-=h),c.x<=-h&&(c.x+=h),c.y>=h&&(c.y-=h),c.y<=h&&(c.y+=h),c.x-=o.offsetX,c.y-=o.offsetY,c}function m(t){return t.flipX&&!t.flipY||!t.flipX&&t.flipY}function b(t,e,i,r,n){if(0!==t[e]){var s=n/t._getTransformedDimensions()[r]*t[i];t.set(i,s)}}function u(t,e,i,r){var n,s=e.target,o=s._getTransformedDimensions(0,s.skewY),a=A(e,e.originX,e.originY,i,r),h=Math.abs(2*a.x)-o.x,c=s.skewX;h<2?n=0:(n=v(Math.atan2(h/s.scaleX,o.y/s.scaleY)),e.originX===f&&e.originY===p&&(n=-n),e.originX===g&&e.originY===d&&(n=-n),m(s)&&(n=-n));var l=c!==n;if(l){var u=s._getTransformedDimensions().y;s.set("skewX",n),b(s,"skewY","scaleY","y",u),O("skewing",E(t,e,i,r))}return l}function _(t,e,i,r){var n,s=e.target,o=s._getTransformedDimensions(s.skewX,0),a=A(e,e.originX,e.originY,i,r),h=Math.abs(2*a.y)-o.y,c=s.skewY;h<2?n=0:(n=v(Math.atan2(h/s.scaleY,o.x/s.scaleX)),e.originX===f&&e.originY===p&&(n=-n),e.originX===g&&e.originY===d&&(n=-n),m(s)&&(n=-n));var l=c!==n;if(l){var u=s._getTransformedDimensions().x;s.set("skewY",n),b(s,"skewX","scaleX","x",u),O("skewing",E(t,e,i,r))}return l}function y(t,e,i,r,n){n=n||{};var s,o,a,h,c,l,u=e.target,f=u.lockScalingX,d=u.lockScalingY,g=n.by,p=k(t,u),v=D(u,g,p),m=e.gestureScale;if(v)return!1;if(m)o=e.scaleX*m,a=e.scaleY*m;else{if(s=A(e,e.originX,e.originY,i,r),c="y"!==g?w(s.x):1,l="x"!==g?w(s.y):1,e.signX||(e.signX=c),e.signY||(e.signY=l),u.lockScalingFlip&&(e.signX!==c||e.signY!==l))return!1;if(h=u._getTransformedDimensions(),p&&!g){var b,_=Math.abs(s.x)+Math.abs(s.y),y=e.original,x=_/(Math.abs(h.x*y.scaleX/u.scaleX)+Math.abs(h.y*y.scaleY/u.scaleY));o=y.scaleX*x,a=y.scaleY*x}else o=Math.abs(s.x*u.scaleX/h.x),a=Math.abs(s.y*u.scaleY/h.y);P(e)&&(o*=2,a*=2),e.signX!==c&&"y"!==g&&(e.originX=T[e.originX],o*=-1,e.signX=c),e.signY!==l&&"x"!==g&&(e.originY=T[e.originY],a*=-1,e.signY=l)}var C=u.scaleX,S=u.scaleY;return g?("x"===g&&u.set("scaleX",o),"y"===g&&u.set("scaleY",a)):(!f&&u.set("scaleX",o),!d&&u.set("scaleY",a)),(b=C!==u.scaleX||S!==u.scaleY)&&O("scaling",E(t,e,i,r)),b}n.scaleCursorStyleHandler=function(t,e,i){var r=k(t,i),n="";if(0!==e.x&&0===e.y?n="x":0===e.x&&0!==e.y&&(n="y"),D(i,n,r))return"not-allowed";var s=a(i,e);return o[s]+"-resize"},n.skewCursorStyleHandler=function(t,e,i){var r="not-allowed";if(0!==e.x&&i.lockSkewingY)return r;if(0!==e.y&&i.lockSkewingX)return r;var n=a(i,e)%4;return s[n]+"-resize"},n.scaleSkewCursorStyleHandler=function(t,e,i){return t[i.canvas.altActionKey]?n.skewCursorStyleHandler(t,e,i):n.scaleCursorStyleHandler(t,e,i)},n.rotationWithSnapping=c(function(t,e,i,r){var n=e,s=n.target,o=s.translateToOriginPoint(s.getCenterPoint(),n.originX,n.originY);if(s.lockRotation)return!1;var a,h=Math.atan2(n.ey-o.y,n.ex-o.x),c=Math.atan2(r-o.y,i-o.x),l=v(c-h+n.theta);if(0o.r2,c=this.gradientTransform?this.gradientTransform.concat():fabric.iMatrix.concat(),l=-this.offsetX,u=-this.offsetY,f=!!e.additionalTransform,d="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(a.sort(function(t,e){return t.offset-e.offset}),"objectBoundingBox"===d?(l/=t.width,u/=t.height):(l+=t.width/2,u+=t.height/2),"path"===t.type&&"percentage"!==this.gradientUnits&&(l-=t.pathOffset.x,u-=t.pathOffset.y),c[4]-=l,c[5]-=u,s='id="SVGID_'+this.id+'" gradientUnits="'+d+'"',s+=' gradientTransform="'+(f?e.additionalTransform+" ":"")+fabric.util.matrixToSVG(c)+'" ',"linear"===this.type?n=["\n']:"radial"===this.type&&(n=["\n']),"radial"===this.type){if(h)for((a=a.concat()).reverse(),i=0,r=a.length;i\n')}return n.push("linear"===this.type?"\n":"\n"),n.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e=this.source;if(!e)return"";if(void 0!==e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var o=t.fabric||(t.fabric={}),a=o.util.toFixed;o.Shadow?o.warn("fabric.Shadow is already defined."):(o.Shadow=o.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(t){for(var e in"string"==typeof t&&(t=this._parseShadow(t)),t)this[e]=t[e];this.id=o.Object.__uid++},_parseShadow:function(t){var e=t.trim(),i=o.Shadow.reOffsetsAndBlur.exec(e)||[];return{color:(e.replace(o.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseInt(i[1],10)||0,offsetY:parseInt(i[2],10)||0,blur:parseInt(i[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var e=40,i=40,r=o.Object.NUM_FRACTION_DIGITS,n=o.util.rotateVector({x:this.offsetX,y:this.offsetY},o.util.degreesToRadians(-t.angle)),s=new o.Color(this.color);return t.width&&t.height&&(e=100*a((Math.abs(n.x)+this.blur)/t.width,r)+20,i=100*a((Math.abs(n.y)+this.blur)/t.height,r)+20),t.flipX&&(n.x*=-1),t.flipY&&(n.y*=-1),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke,nonScaling:this.nonScaling};var e={},i=o.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach(function(t){this[t]!==i[t]&&(e[t]=this[t])},this),e}}),o.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/)}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)fabric.warn("fabric.StaticCanvas is already defined.");else{var n=fabric.util.object.extend,t=fabric.util.getElementOffset,c=fabric.util.removeFromArray,a=fabric.util.toFixed,s=fabric.util.transformPoint,o=fabric.util.invertTransform,i=fabric.util.getNodeCanvas,r=fabric.util.createCanvasElement,e=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=fabric.devicePixelRatio;this.__initRetinaScaling(t,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(t,this.upperCanvasEl,this.contextTop)}},__initRetinaScaling:function(t,e,i){e.setAttribute("width",this.width*t),e.setAttribute("height",this.height*t),i.scale(t,t)},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},__setBgOverlayImage:function(r,t,n,s){return"string"==typeof t?fabric.util.loadImage(t,function(t,e){if(t){var i=new fabric.Image(t,s);(this[r]=i).canvas=this}n&&n(t,e)},this,s&&s.crossOrigin):(s&&t.setOptions(s),(this[r]=t)&&(t.canvas=this),n&&n(t,!1)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=r();if(!t)throw e;if(t.style||(t.style={}),void 0===t.getContext)throw e;return t},_initOptions:function(t){var e=this.lowerCanvasEl;this._setOptions(t),this.width=this.width||parseInt(e.width,10)||0,this.height=this.height||parseInt(e.height,10)||0,this.lowerCanvasEl.style&&(e.width=this.width,e.height=this.height,e.style.width=this.width+"px",e.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;for(var r in e=e||{},t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(r,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(),this._initRetinaScaling(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject;for(this.viewportTransform=t,i=0,r=this._objects.length;i\n'),this._setSVGBgOverlayColor(i,"background"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this.clipPath&&i.push("\n"),this._setSVGBgOverlayColor(i,"overlay"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push(""),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,r=e.width||this.width,n=e.height||this.height,s='viewBox="0 0 '+this.width+" "+this.height+'" ',o=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?s='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,s='viewBox="'+a(-i[4]/i[0],o)+" "+a(-i[5]/i[3],o)+" "+a(this.width/i[0],o)+" "+a(this.height/i[3],o)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+fabric.Object.__uid++,'\n'+this.clipPath.toClipPathSVG(t.reviver)+"\n"):""},createSVGRefElementsMarkup:function(){var s=this;return["background","overlay"].map(function(t){var e=s[t+"Color"];if(e&&e.toLive){var i=s[t+"Vpt"],r=s.viewportTransform,n={width:s.width/(i?r[0]:1),height:s.height/(i?r[3]:1)};return e.toSVG(n,{additionalTransform:i?fabric.util.matrixToSVG(r):""})}}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,h="",c={},l=fabric.fontPaths,u=[];for(this._objects.forEach(function t(e){u.push(e),e._objects&&e._objects.forEach(t)}),o=0,a=u.length;o',"\n",h,"","\n"].join("")),h},_setSVGObjects:function(t,e){var i,r,n,s=this._objects;for(r=0,n=s.length;r\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(e=(r=n._objects).length;e--;)i=r[e],c(this._objects,i),this._objects.unshift(i);else c(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(r=n._objects,e=0;e"}}),n(fabric.StaticCanvas.prototype,fabric.Observable),n(fabric.StaticCanvas.prototype,fabric.Collection),n(fabric.StaticCanvas.prototype,fabric.DataURLExporter),n(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=r();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"setLineDash":return void 0!==i.setLineDash;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject,fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var t=i(this.lowerCanvasEl);return t&&t.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){var e=i(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas,e=this.shadow,i=t.contextTop,r=t.getZoom();t&&t._isRetinaScaling()&&(r*=fabric.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*r,i.shadowOffsetX=e.offsetX*r,i.shadowOffsetY=e.offsetY*r}},needsFullRender:function(){return new fabric.Color(this.color).getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{decimate:.4,initialize:function(t){this.canvas=t,this._points=[]},_drawSegment:function(t,e,i){var r=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,r.x,r.y),r},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&this._captureDrawingPath(t)&&1t[e-2].x?1:n.x===t[e-2].x?0:-1,h=n.y>t[e-2].y?1:n.y===t[e-2].y?0:-1),i.push("L ",n.x+a*r," ",n.y+h*r),i},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray});return this.shadow&&(this.shadow.affectStroke=!0,e.shadow=new fabric.Shadow(this.shadow)),e},decimatePoints:function(t,e){if(t.length<=2)return t;var i,r=this.canvas.getZoom(),n=Math.pow(e/r,2),s=t.length-1,o=t[0],a=[o];for(i=1;i"},getObjectScaling:function(){var t=x.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(t.scaleX),scaleY:Math.abs(t.scaleY)}},getTotalObjectScaling:function(){var t=this.getObjectScaling(),e=t.scaleX,i=t.scaleY;if(this.canvas){var r=this.canvas.getZoom(),n=this.canvas.getRetinaScaling();e*=r*n,i*=r*n}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,e){var i="scaleX"===t||"scaleY"===t,r=this[t]!==e,n=!1;return i&&(e=this._constrainScale(e)),"scaleX"===t&&e<0?(this.flipX=!this.flipX,e*=-1):"scaleY"===t&&e<0?(this.flipY=!this.flipY,e*=-1):"shadow"!==t||!e||e instanceof x.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",e):e=new x.Shadow(e),this[t]=e,r&&(n=this.group&&this.group.isOnACache(),-1=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var n=this._getCoords(i,r),s=(e=e||this._getImageLines(n),this._findCrossPoints(t,e));return 0!==s&&s%2==1},isOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.getCoords(!0,t).some(function(t){return t.x<=i.x&&t.x>=e.x&&t.y<=i.y&&t.y>=e.y})||(!!this.intersectsWithRect(e,i,!0,t)||this._containsCenterOfCanvas(e,i,t))},_containsCenterOfCanvas:function(t,e,i){var r={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(r,null,!0,i)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,i,!0,t)||this.getCoords(!0,t).every(function(t){return(t.x>=i.x||t.x<=e.x)&&(t.y>=i.y||t.y<=e.y)})&&this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s=0;for(var o in e)if(!((n=e[o]).o.y=t.y&&n.d.y>=t.y||(n.o.x===n.d.x&&n.o.x>=t.x?r=n.o.x:(0,i=(n.d.y-n.o.y)/(n.d.x-n.o.x),r=-(t.y-0*t.x-(n.o.y-i*n.o.x))/(0-i)),r>=t.x&&(s+=1),2!==s)))break;return s},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return c.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,r=e.additionalTransform||"",n=[this.getSvgTransform(!0,r),this.getSvgCommons()].join(""),s=t.indexOf("COMMON_PARTS");return t[s]=n,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,r,n=(e=e||{}).noStyle,s=e.reviver,o=n?"":'style="'+this.getSvgStyles()+'" ',a=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",h=this.clipPath,c=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",l=h&&h.absolutePositioned,u=this.stroke,f=this.fill,d=this.shadow,g=[],p=t.indexOf("COMMON_PARTS"),v=e.additionalTransform;return h&&(h.clipPathId="CLIPPATH_"+fabric.Object.__uid++,r='\n'+h.toClipPathSVG(s)+"\n"),l&&g.push("\n"),g.push("\n"),i=[o,c,n?"":this.addPaintOrder()," ",v?'transform="'+v+'" ':""].join(""),t[p]=i,f&&f.toLive&&g.push(f.toSVG(this)),u&&u.toLive&&g.push(u.toSVG(this)),d&&g.push(d.toSVG(this)),h&&g.push(r),g.push(t.join("")),g.push("\n"),l&&g.push("\n"),s?s(g.join("")):g.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var n=fabric.util.object.extend,r="stateProperties";function s(e,t,i){var r={};i.forEach(function(t){r[t]=e[t]}),n(e[t],r,!0)}fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){var e="_"+(t=t||r);return Object.keys(this[e]).length\n']}}),s.Line.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),s.Line.fromElement=function(t,e,i){i=i||{};var r=s.parseAttributes(t,s.Line.ATTRIBUTE_NAMES),n=[r.x1||0,r.y1||0,r.x2||0,r.y2||0];e(new s.Line(n,o(r,i)))},s.Line.fromObject=function(t,e){var i=r(t,!0);i.points=[t.x1,t.y1,t.x2,t.y2],s.Object._fromObject("Line",i,function(t){delete t.points,e&&e(t)},"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var a=t.fabric||(t.fabric={}),h=Math.PI;a.Circle?a.warn("fabric.Circle is already defined."):(a.Circle=a.util.createClass(a.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*h,cacheProperties:a.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},_toSVG:function(){var t,e=(this.endAngle-this.startAngle)%(2*h);if(0===e)t=["\n'];else{var i=a.util.cos(this.startAngle)*this.radius,r=a.util.sin(this.startAngle)*this.radius,n=a.util.cos(this.endAngle)*this.radius,s=a.util.sin(this.endAngle)*this.radius,o=h\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),a.Circle.ATTRIBUTE_NAMES=a.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),a.Circle.fromElement=function(t,e){var i,r=a.parseAttributes(t,a.Circle.ATTRIBUTE_NAMES);if(!("radius"in(i=r)&&0<=i.radius))throw new Error("value of `r` attribute is required and can not be negative");r.left=(r.left||0)-r.radius,r.top=(r.top||0)-r.radius,e(new a.Circle(r))},a.Circle.fromObject=function(t,e){return a.Object._fromObject("Circle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var r=t.fabric||(t.fabric={});r.Triangle?r.warn("fabric.Triangle is already defined"):(r.Triangle=r.util.createClass(r.Object,{type:"triangle",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),r.util.drawDashedLine(t,-e,i,0,-i,this.strokeDashArray),r.util.drawDashedLine(t,0,-i,e,i,this.strokeDashArray),r.util.drawDashedLine(t,e,i,-e,i,this.strokeDashArray),t.closePath()},_toSVG:function(){var t=this.width/2,e=this.height/2;return["']}}),r.Triangle.fromObject=function(t,e){return r.Object._fromObject("Triangle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var r=t.fabric||(t.fabric={}),e=2*Math.PI;r.Ellipse?r.warn("fabric.Ellipse is already defined."):(r.Ellipse=r.util.createClass(r.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:r.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,e,!1),t.restore(),this._renderPaintInOrder(t)}}),r.Ellipse.ATTRIBUTE_NAMES=r.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),r.Ellipse.fromElement=function(t,e){var i=r.parseAttributes(t,r.Ellipse.ATTRIBUTE_NAMES);i.left=(i.left||0)-i.rx,i.top=(i.top||0)-i.ry,e(new r.Ellipse(i))},r.Ellipse.fromObject=function(t,e){return r.Object._fromObject("Ellipse",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var s=t.fabric||(t.fabric={}),o=s.util.object.extend;s.Rect?s.warn("fabric.Rect is already defined"):(s.Rect=s.util.createClass(s.Object,{stateProperties:s.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:s.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,n=this.height;t.beginPath(),s.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),s.util.drawDashedLine(t,e+r,i,e+r,i+n,this.strokeDashArray),s.util.drawDashedLine(t,e+r,i+n,e,i+n,this.strokeDashArray),s.util.drawDashedLine(t,e,i+n,e,i,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']}}),s.Rect.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),s.Rect.fromElement=function(t,e,i){if(!t)return e(null);i=i||{};var r=s.parseAttributes(t,s.Rect.ATTRIBUTE_NAMES);r.left=r.left||0,r.top=r.top||0,r.height=r.height||0,r.width=r.width||0;var n=new s.Rect(o(i?s.util.object.clone(i):{},r));n.visible=n.visible&&0\n']},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){return n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()})})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},_toSVG:function(){return["\n"]},_getOffsetTransform:function(){var t=f.Object.NUM_FRACTION_DIGITS;return" translate("+e(-this.pathOffset.x,t)+", "+e(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var t,e,i=[],r=[],n=0,s=0,o=0,a=0,h=0,c=this.path.length;h"},addWithUpdate:function(t){return this._restoreObjectsState(),c.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),c.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);if("canvas"===t)for(;i--;)this._objects[i]._set(t,e);c.Object.prototype._set.call(this,t,e)},toObject:function(r){var n=this.includeDefaultValues,t=this._objects.map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=n;var i=t.toObject(r);return t.includeDefaultValues=e,i}),e=c.Object.prototype.toObject.call(this,r);return e.objects=t,e},toDatalessObject:function(r){var t,e=this.sourcePath;if(e)t=e;else{var n=this.includeDefaultValues;t=this._objects.map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=n;var i=t.toDatalessObject(r);return t.includeDefaultValues=e,i})}var i=c.Object.prototype.toDatalessObject.call(this,r);return i.objects=t,i},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=c.Object.prototype.shouldCache.call(this);if(t)for(var e=0,i=this._objects.length;e\n"],i=0,r=this._objects.length;i\n"),e},getSvgStyles:function(){var t=void 0!==this.opacity&&1!==this.opacity?"opacity: "+this.opacity+";":"",e=this.visible?"":" visibility: hidden;";return[t,this.getSvgFilter(),e].join("")},toClipPathSVG:function(t){for(var e=[],i=0,r=this._objects.length;i"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),void 0===(i=i||{}).hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;r\n','\t\n',"\n"),o=' clip-path="url(#imageCrop_'+h+')" '}if(this.imageSmoothing||(a='" image-rendering="optimizeSpeed'),i.push("\t\n"),this.stroke||this.strokeDashArray){var c=this.fill;this.fill=null,t=["\t\n'],this.fill=c}return e="fill"!==this.paintFirst?e.concat(t,i):e.concat(i,t)},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():this.srcFromAttribute?e.getAttribute("src"):e.src:this.src||""},setSrc:function(t,i,r){return fabric.util.loadImage(t,function(t,e){this.setElement(t,r),this._setWidthHeight(),i&&i(this,e)},this,r&&r.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),r=i.scaleX,n=i.scaleY,s=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||e=t;for(var a=["highp","mediump","lowp"],h=0;h<3;h++)if(void 0,i="precision "+a[h]+" float;\nvoid main(){}",r=(e=s).createShader(e.FRAGMENT_SHADER),e.shaderSource(r,i),e.compileShader(r),e.getShaderParameter(r,e.COMPILE_STATUS)){fabric.webGlPrecision=a[h];break}}return this.isSupported=o},(fabric.WebglFilterBackend=t).prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r=void 0!==window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var n="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(r&&i&&n&&s){var o=fabric.util.createCanvasElement(),a=new ArrayBuffer(t*e*4);if(fabric.forceGLPutImageData)return this.imageBuffer=a,void(this.copyGLTo2D=copyGLTo2DPutImageData);var h,c,l={imageBuffer:a,destinationWidth:t,destinationHeight:e,targetCanvas:o};o.width=t,o.height=e,h=window.performance.now(),copyGLTo2DDrawImage.call(l,this.gl,l),c=window.performance.now()-h,h=window.performance.now(),copyGLTo2DPutImageData.call(l,this.gl,l),window.performance.now()-h 0.0) {\n"+this.fragmentSource[t]+"}\n}"},retrieveShader:function(t){var e,i=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(i)||(e=this.buildSource(this.mode),t.programCache[i]=this.createProgram(t.context,e)),t.programCache[i]},applyTo2d:function(t){var e,i,r,n,s,o,a,h=t.imageData.data,c=h.length,l=1-this.alpha;e=(a=new f.Color(this.color).getSource())[0]*this.alpha,i=a[1]*this.alpha,r=a[2]*this.alpha;for(var u=0;u'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;ethis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e);return{selectionStart:n,selectionEnd:n+fabric.util.string.graphemeSplit(s).length}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+i.slice(t,e).join("").length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.getRetinaScaling(),l=this.canvas.upperCanvasEl,u=l.width/c,f=l.height/c,d=u-s,g=f-s,p=l.clientWidth/u,v=l.clientHeight/f;return h=fabric.util.transformPoint(h,a),(h=fabric.util.transformPoint(h,this.canvas.viewportTransform)).x*=p,h.y*=v,h.x<0&&(h.x=0),h.x>d&&(h.x=d),h.y<0&&(h.y=0),h.y>g&&(h.y=g),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text,e=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,e&&(e.blur&&e.blur(),e.parentNode&&e.parentNode.removeChild(e)),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=t.pointer;this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(t){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(t.e))},tripleClickHandler:function(t){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(t.e))},initClicks:function(){this.on("mousedblclick",this.doubleClickHandler),this.on("tripleclick",this.tripleClickHandler)},_mouseDownHandler:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.__isMousedown=!0,this.selected&&(this.inCompositionMode=!1,this.setCursorByClick(t.e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.selected=this===this.canvas._activeObject)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler),this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){if(this.__isMousedown=!1,!(!this.editable||this.group||t.transform&&t.transform.actionPerformed||t.e.button&&1!==t.e.button)){if(this.canvas){var e=this.canvas._activeObject;if(e&&e!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e=this.getLocalPointer(t),i=0,r=0,n=0,s=0,o=0,a=0,h=this._textLines.length;athis._text.length&&(a=this._text.length),a}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),33<=t.keyCode&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n,s,o,a=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,h=this._text.length,c=a.length,l=c-h,u=this.selectionStart,f=this.selectionEnd,d=u!==f;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var g=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),p=u>g.selectionStart;d?(i=this._text.slice(u,f),l+=f-u):c=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?i+="Shift":i+="outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){void 0===e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,r){void 0===r&&(r=i),i",t.textSpans.join(""),"\n"]},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(t),""].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l=-1!==this.textAlign.indexOf("justify"),u="",f=0,d=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var g=0,p=d.length-1;g<=p;g++)h=g===p||this.charSpacing,u+=d[g],o=this.__charBounds[e][g],0===f?(i+=o.kernedWidth-o.width,f+=o.width):f+=o.kernedWidth,l&&!h&&this._reSpaceAndTab.test(d[g])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,g),s=this.getCompleteStyleDeclaration(e,g+1),h=this._hasStyleChangedForSvg(n,s)),h&&(a=this._getStyleDeclaration(e,g)||{},t.push(this._createTextCharSpan(u,a,i,r)),u="",n=s,i+=f,f=0)},_pushTextBgRect:function(t,e,i,r,n,s){var o=fabric.Object.NUM_FRACTION_DIGITS;t.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;sthis.dynamicMinWidth&&(this.dynamicMinWidth=g-v+r),o},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t){return this.splitByGrapheme?this.isEndOfWrapping(t)?1:0:1},_splitTextIntoLines:function(t){for(var e=b.Text.prototype._splitTextIntoLines.call(this,t),i=this._wrapText(e.lines,this.width),r=new Array(i.length),n=0;n", "contributors": [ {