var fabric=fabric||{version:"2.3.0"};function resizeCanvasIfNeeded(t){var e=t.targetCanvas,i=e.width,r=e.height,n=t.destinationWidth,s=t.destinationHeight;i===n&&r===s||(e.width=n,e.height=s)}function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.targetCanvas,n=r.getContext("2d");n.translate(0,r.height),n.scale(1,-1);var s=i.height-r.height;n.drawImage(i,0,s,r.width,r.height,0,0,r.width,r.height)}function copyGLTo2DPutImageData(t,e){var i=e.targetCanvas.getContext("2d"),r=e.destinationWidth,n=e.destinationHeight,s=r*n*4,o=new Uint8Array(this.imageBuffer,0,s),a=new Uint8ClampedArray(this.imageBuffer,0,s);t.readPixels(0,0,r,n,t.RGBA,t.UNSIGNED_BYTE,o);var h=new ImageData(a,r,n);i.putImageData(h,0,0)}"undefined"!=typeof exports?exports.fabric=fabric:"function"==typeof define&&define.amd&&define([],function(){return fabric}),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window):(fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]}}),fabric.jsdomImplForWrapper=require("jsdom/lib/jsdom/living/generated/utils").implForWrapper,fabric.nodeCanvas=require("jsdom/lib/jsdom/utils").Canvas,fabric.window=fabric.document.defaultView,DOMParser=require("xmldom").DOMParser),fabric.isTouchSupported="ontouchstart"in fabric.window,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id","paint-order","instantiated_by_use"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.browserShadowBlurConstant=1,fabric.initFilterBackend=function(){return fabric.enableGLFiltering&&fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},"undefined"!=typeof document&&"undefined"!=typeof window&&(window.fabric=fabric),function(){function r(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function t(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function e(t,e){if(this.__eventListeners){if(0===arguments.length)for(t in this.__eventListeners)r.call(this,t);else if(1===arguments.length&&"object"==typeof t)for(var i in t)r.call(this,i,t[i]);else r.call(this,t,e);return this}}function i(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r/g,">")},graphemeSplit:function(t){var e,i=0,r=[];for(i=0;i/i,"")));e&&e.documentElement||n&&n(null);x.parseSVGDocument(e.documentElement,function(t,e,i,r){n&&n(t,e,i,r)},i,r)}})},loadSVGFromString:function(t,n,e,i){var r;if(t=t.trim(),"undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(r=s.parseFromString(t,"text/xml"))}else x.window.ActiveXObject&&((r=new ActiveXObject("Microsoft.XMLDOM")).async="false",r.loadXML(t.replace(//i,"")));x.parseSVGDocument(r.documentElement,function(t,e,i,r){n(t,e,i,r)},e,i)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n,this.regexUrl=/^url\(['"]?#([^'"]+)['"]?\)/g},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;tt.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;os.r2,h=t.width/2,c=t.height/2;for(var l in o.sort(function(t,e){return t.offset-e.offset}),"path"===t.type&&(h-=t.pathOffset.x,c-=t.pathOffset.y),s)"x1"===l||"x2"===l?s[l]+=this.offsetX-h:"y1"!==l&&"y2"!==l||(s[l]+=this.offsetY-c);if(n='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(n+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?r=["\n']:"radial"===this.type&&(r=["\n']),"radial"===this.type){if(a)for((o=o.concat()).reverse(),e=0,i=o.length;e\n')}return r.push("linear"===this.type?"\n":"\n"),r.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if(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,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};var e={},i=o.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].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 r=fabric.util.object.extend,t=fabric.util.getElementOffset,c=fabric.util.removeFromArray,a=fabric.util.toFixed,s=fabric.util.transformPoint,o=fabric.util.invertTransform,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,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=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)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(e,t,i,r){return"string"==typeof t?fabric.util.loadImage(t,function(t){t&&(this[e]=new fabric.Image(t,r)),i&&i(t)},this,r&&r.crossOrigin):(r&&t.setOptions(r),this[e]=t,i&&i(t)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=fabric.util.createCanvasElement();if(!t)throw e;if(t.style||(t.style={}),void 0===t.getContext)throw e;return t},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;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._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject;for(this.viewportTransform=t,i=0,r=this._objects.length;i"),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(),"\n")},createSVGRefElementsMarkup:function(){var i=this;return["backgroundColor","overlayColor"].map(function(t){var e=i[t];if(e&&e.toLive)return e.toSVG(i,!1)}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,h="",c={},l=fabric.fontPaths,u=this.getObjects();for(o=0,a=u.length;o',"\n",h,"","\n"].join("")),h},_setSVGObjects:function(t,e){var i,r,n,s=this.getObjects();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"}}),r(fabric.StaticCanvas.prototype,fabric.Observable),r(fabric.StaticCanvas.prototype,fabric.Collection),r(fabric.StaticCanvas.prototype,fabric.DataURLExporter),r(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return void 0!==i.getImageData;case"setLineDash":return void 0!==i.setLineDash;case"toDataURL":return void 0!==e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject,fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var t=fabric.util.getNodeCanvas(this.lowerCanvasEl);return t&&t.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){var e=fabric.util.getNodeCanvas(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,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.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.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{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){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){if(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}),i=new fabric.Point(e.left+e.width/2,e.top+e.height/2);return i=e.translateToGivenOrigin(i,"center","center",e.originX,e.originY),e.top=i.y,e.left=i.x,this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath();var t=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"!==t){var e=this.createPath(t);this.canvas.clearContext(this.canvas.contextTop),this.canvas.add(e),this.canvas.renderAll(),e.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:e})}else this.canvas.requestRenderAll()}}),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop;this._saveAndTransform(i),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i,r=this.canvas.contextTop,n=this.points;for(this._saveAndTransform(r),t=0,e=n.length;tn?t.x<0?t.x+=n:t.x-=n:t.x=0,c(t.y)>n?t.y<0?t.y+=n:t.y-=n:t.y=0},_rotateObject:function(t,e){var i=this._currentTransform,r=i.target,n=r.translateToOriginPoint(r.getCenterPoint(),i.originX,i.originY);if(r.lockRotation)return!1;var s=g(i.ey-n.y,i.ex-n.x),o=g(e-n.y,t-n.x),a=d(o-s+i.theta),h=!0;if(0"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,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 y.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",e):e=new y.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){e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords);var n=this._findCrossPoints(t,e);return 0!==n&&n%2==1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if((e=n[s]).x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;return!!this.intersectsWithRect(i,r,!0,t)||this._containsCenterOfCanvas(i,r,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._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 fabric.util.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)\n')}},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t},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'),t?t(e.join("")):e.join("")}}),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 h=t.fabric||(t.fabric={}),c=Math.PI;h.Circle?h.warn("fabric.Circle is already defined."):(h.Circle=h.util.createClass(h.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*c,cacheProperties:h.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(t){var e=this._createBaseSVGMarkup(),i=(this.endAngle-this.startAngle)%(2*c);if(0===i)e.push("\n");else{var r=h.util.cos(this.startAngle)*this.radius,n=h.util.sin(this.startAngle)*this.radius,s=h.util.cos(this.endAngle)*this.radius,o=h.util.sin(this.endAngle)*this.radius,a=c\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._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)}}),h.Circle.ATTRIBUTE_NAMES=h.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),h.Circle.fromElement=function(t,e){var i,r=h.parseAttributes(t,h.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 h.Circle(r))},h.Circle.fromObject=function(t,e){return h.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(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push(""),t?t(e.join("")):e.join("")}}),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(t){var e=this._createBaseSVGMarkup();return e.push("\n"),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,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){if(1!==this.width||1!==this.height){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)}else t.fillRect(-.5,-.5,1,1)},_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(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("\n"),t?t(e.join("")):e.join("")}}),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;var n=new s.Rect(o(i?s.util.object.clone(i):{},r));n.visible=n.visible&&0\n"),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){return n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},toSVG:function(t){for(var e,i=[],r=this._createBaseSVGMarkup(),n=0,s=this.path.length;n\n"),t?t(r.join("")):r.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],a=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,h=0,c=this.path.length;hd)for(var p=1,v=n.length;p"},addWithUpdate:function(t){return this._restoreObjectsState(),o.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(),o.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.length;i--;)this._objects[i]._set(t,e);this.callSuper("_set",t,e)},toObject:function(r){var t=this.getObjects().map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=t.group.includeDefaultValues;var i=t.toObject(r);return t.includeDefaultValues=e,i});return i(this.callSuper("toObject",r),{objects:t})},toDatalessObject:function(r){var t,e=this.sourcePath;return t=e||this.getObjects().map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=t.group.includeDefaultValues;var i=t.toDatalessObject(r);return t.includeDefaultValues=e,i}),i(this.callSuper("toDatalessObject",r),{objects:t})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t)for(var e=0,i=this._objects.length;e\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")}}),o.Group.fromObject=function(i,r){o.util.enlivenObjects(i.objects,function(t){var e=o.util.object.clone(i,!0);delete e.objects,r&&r(new o.Group(t,e,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var n=t.fabric||(t.fabric={});n.ActiveSelection||(n.ActiveSelection=n.util.createClass(n.Group,{type:"activeSelection",initialize:function(t,e){e=e||{},this._objects=t||[];for(var i=this._objects.length;i--;)this._objects[i].group=this;e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),this._calcBounds(),this._updateObjectsCoords(),n.Object.prototype.initialize.call(this,e),this.setCoords()},toGroup:function(){var t=this._objects;this._objects=[];var e=this.toObject(),i=new n.Group([]);if(delete e.objects,i.set(e),i.type="group",t.forEach(function(t){t.group=i,t.canvas.remove(t)}),i._objects=t,!this.canvas)return i;var r=this.canvas;return r.add(i),(r._activeObject=i).setCoords(),i},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#"},_set:function(t,e){var i=this._objects.length;if("canvas"===t)for(;i--;)this._objects[i].set(t,e);if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);n.Object.prototype._set.call(this,t,e)},shouldCache:function(){return!1},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t\n','\t\n',"\n"),n=' clip-path="url(#imageCrop_'+s+')" '}e.push('\n');var o=["\t\n"];if("fill"===this.paintFirst&&Array.prototype.push.apply(e,o),this.stroke||this.strokeDashArray){var a=this.fill;this.fill=null,e.push("\t\n'),this.fill=a}return"fill"!==this.paintFirst&&Array.prototype.push.apply(e,o),e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),this._setWidthHeight(),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX*e,n=this.scaleY*e,s=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||i=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,a,h=fabric.util.createCanvasElement(),c=new ArrayBuffer(t*e*4),l={imageBuffer:c,destinationWidth:t,destinationHeight:e,targetCanvas:h};h.width=t,h.height=e,o=window.performance.now(),copyGLTo2DDrawImage.call(l,this.gl,l),a=window.performance.now()-o,o=window.performance.now(),copyGLTo2DPutImageData.call(l,this.gl,l),window.performance.now()-o 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.upperCanvasEl,l=c.width,u=c.height,f=l-s,d=u-s,g=c.clientWidth/l,p=c.clientHeight/u;return h=fabric.util.transformPoint(h,a),(h=fabric.util.transformPoint(h,this.canvas.viewportTransform)).x*=g,h.y*=p,h.x<0&&(h.x=0),h.x>f&&(h.x=f),h.y<0&&(h.y=0),h.y>d&&(h.y=d),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._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.bind(this))},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);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()},initClicks:function(){this.on("mousedblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},_mouseDownHandler:function(t){if(this.canvas&&this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler)},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e=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; line-height: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),33<=t.keyCode&&t.keyCode<=40?(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=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;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 h=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),c=this.selectionStart>h.selectionStart;this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):o=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\n",e.textBgRects.join(""),'\t\t",e.textSpans.join(""),"\n","\t\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=f-g+r),s},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},_splitTextIntoLines:function(t){for(var e=v.Text.prototype._splitTextIntoLines.call(this,t),i=this._wrapText(e.lines,this.width),r=new Array(i.length),n=0;n=a.getMinWidth()?(a.set("width",c),!0):void 0},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}();