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0!==r.transparentCorners?r.transparentCorners:s.transparentCorners,c=!l&&(r.cornerStrokeColor||s.cornerStrokeColor),h=o/2,u=a/2;t.save(),t.fillStyle=r.cornerColor||s.cornerColor,t.strokeStyle=r.cornerStrokeColor||s.cornerStrokeColor,t.lineWidth=1,t.translate(e,n),t.rotate(i(s.angle)),t[(l?"stroke":"fill")+"Rect"](-h,-u,o,a),c&&t.strokeRect(-h,-u,o,a),t.restore()}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Control=function(t){for(var e in t)this[e]=t[e]},e.Control.prototype={visible:!0,actionName:"scale",angle:0,x:0,y:0,offsetX:0,offsetY:0,sizeX:null,sizeY:null,touchSizeX:null,touchSizeY:null,cursorStyle:"crosshair",withConnection:!1,actionHandler:function(){},mouseDownHandler:function(){},mouseUpHandler:function(){},getActionHandler:function(){return this.actionHandler},getMouseDownHandler:function(){return this.mouseDownHandler},getMouseUpHandler:function(){return this.mouseUpHandler},cursorStyleHandler:function(t,e){return e.cursorStyle},getActionName:function(t,e){return e.actionName},getVisibility:function(t,e){var i=t._controlsVisibility;return i&&void 0!==i[e]?i[e]:this.visible},setVisibility:function(t){this.visible=t},positionHandler:function(t,i){return e.util.transformPoint({x:this.x*t.x+this.offsetX,y:this.y*t.y+this.offsetY},i)},calcCornerCoords:function(t,i,n,r,s){var o,a,l,c,h=s?this.touchSizeX:this.sizeX,u=s?this.touchSizeY:this.sizeY;if(h&&u&&h!==u){var f=Math.atan2(u,h),d=Math.sqrt(h*h+u*u)/2,g=f-e.util.degreesToRadians(t),p=Math.PI/2-f-e.util.degreesToRadians(t);o=d*e.util.cos(g),a=d*e.util.sin(g),l=d*e.util.cos(p),c=d*e.util.sin(p)}else{d=.7071067812*(h&&u?h:i);var g=e.util.degreesToRadians(45-t);o=l=d*e.util.cos(g),a=c=d*e.util.sin(g)}return{tl:{x:n-c,y:r-l},tr:{x:n+o,y:r-a},bl:{x:n-o,y:r+a},br:{x:n+c,y:r+l}}},render:function(t,i,n,r,s){"circle"===((r=r||{}).cornerStyle||s.cornerStyle)?e.controlsUtils.renderCircleControl.call(this,t,i,n,r,s):e.controlsUtils.renderSquareControl.call(this,t,i,n,r,s)}}}(i),function(){var t=r.util.object.clone;r.Gradient=r.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:"pixels",type:"linear",initialize:function(t){t||(t={}),t.coords||(t.coords={});var e,i=this;Object.keys(t).forEach(function(e){i[e]=t[e]}),this.id?this.id+="_"+r.Object.__uid++:this.id=r.Object.__uid++,e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice()},addColorStop:function(t){for(var e in t){var i=new r.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientUnits:this.gradientUnits,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return r.util.populateWithProperties(this,e,t),e},toSVG:function(e,i){var n,s,o,a,l=t(this.coords,!0),i=i||{},c=t(this.colorStops,!0),h=l.r1>l.r2,u=this.gradientTransform?this.gradientTransform.concat():r.iMatrix.concat(),f=-this.offsetX,d=-this.offsetY,g=!!i.additionalTransform,p="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(c.sort(function(t,e){return t.offset-e.offset}),"objectBoundingBox"===p?(f/=e.width,d/=e.height):(f+=e.width/2,d+=e.height/2),"path"===e.type&&"percentage"!==this.gradientUnits&&(f-=e.pathOffset.x,d-=e.pathOffset.y),u[4]-=f,u[5]-=d,a='id="SVGID_'+this.id+'" gradientUnits="'+p+'"'+(' gradientTransform="'+(g?i.additionalTransform+" ":"")+r.util.matrixToSVG(u))+'" ',"linear"===this.type?o=["\n']:"radial"===this.type&&(o=["\n']),"radial"===this.type){if(h)for((c=c.concat()).reverse(),n=0,s=c.length;n0){var y=m/Math.max(l.r1,l.r2);for(n=0,s=c.length;n\n')}return o.push("linear"===this.type?"\n":"\n"),o.join("")},toLive:function(t){var e,i,n,s=r.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(s.x1,s.y1,s.x2,s.y2):"radial"===this.type&&(e=t.createRadialGradient(s.x1,s.y1,s.r1,s.x2,s.y2,s.r2)),i=0,n=this.colorStops.length;i1?1:u)&&(u=1);var f,d,g,p,m=t.getElementsByTagName("stop"),y="userSpaceOnUse"===t.getAttribute("gradientUnits")?"pixels":"percentage",b=t.getAttribute("gradientTransform")||"",x=[],_=0,C=0;for("linearGradient"===t.nodeName||"LINEARGRADIENT"===t.nodeName?(f="linear",d={x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}):(f="radial",d={x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}),g=m.length;g--;)x.push(function(t,e){var i,n,s,o,a=t.getAttribute("style"),l=t.getAttribute("offset")||0;if(l=(l=parseFloat(l)/(/%$/.test(l)?100:1))<0?0:l>1?1:l,a){var c=a.split(/\s*;\s*/);for(""===c[c.length-1]&&c.pop(),o=c.length;o--;){var h=c[o].split(/\s*:\s*/),u=h[0].trim(),f=h[1].trim();"stop-color"===u?i=f:"stop-opacity"===u&&(s=f)}}return i||(i=t.getAttribute("stop-color")||"rgb(0,0,0)"),s||(s=t.getAttribute("stop-opacity")),n=(i=new r.Color(i)).getAlpha(),s=(isNaN(parseFloat(s))?1:parseFloat(s))*(n*e),{offset:l,color:i.toRgb(),opacity:s}}(m[g],u));return p=r.parseTransformAttribute(b),s=0,o=d,a=n,l=y,Object.keys(o).forEach(function(t){"Infinity"===(c=o[t])?h=1:"-Infinity"===c?h=0:(h=parseFloat(o[t],10),"string"==typeof c&&/^(\d+\.\d+)%|(\d+)%$/.test(c)&&(h*=.01,"pixels"===l&&(("x1"===t||"x2"===t||"r2"===t)&&(h*=a.viewBoxWidth||a.width),("y1"===t||"y2"===t)&&(h*=a.viewBoxHeight||a.height)))),o[t]=h}),"pixels"===y&&(_=-e.left,C=-e.top),new r.Gradient({id:t.getAttribute("id"),type:f,coords:d,colorStops:x,gradientUnits:y,gradientTransform:p,offsetX:_,offsetY:C})}})}(),function(){"use strict";var t=r.util.toFixed;r.Pattern=r.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=r.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source){e&&e(this);return}var i=this;this.source=r.util.createImage(),r.util.loadImage(t.source,function(t,n){i.source=t,e&&e(i,n)},null,this.crossOrigin)},toObject:function(e){var i,n,s=r.Object.NUM_FRACTION_DIGITS;return"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),n={type:"pattern",source:i,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:t(this.offsetX,s),offsetY:t(this.offsetY,s),patternTransform:this.patternTransform?this.patternTransform.concat():null},r.util.populateWithProperties(this,n,e),n},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,n=e.height/t.height,r=this.offsetX/t.width,s=this.offsetY/t.height,o="";return("repeat-x"===this.repeat||"no-repeat"===this.repeat)&&(n=1,s&&(n+=Math.abs(s))),("repeat-y"===this.repeat||"no-repeat"===this.repeat)&&(i=1,r&&(i+=Math.abs(r))),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e=this.source;return e&&(void 0===e.src||e.complete&&0!==e.naturalWidth&&0!==e.naturalHeight)?t.createPattern(e,this.repeat):""}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;if(e.Shadow)return e.warn("fabric.Shadow is already defined.");e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(t){for(var i in"string"==typeof t&&(t=this._parseShadow(t)),t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),n=e.Shadow.reOffsetsAndBlur.exec(i)||[];return{color:(i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseFloat(n[1],10)||0,offsetY:parseFloat(n[2],10)||0,blur:parseFloat(n[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var n=40,r=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=new e.Color(this.color);return t.width&&t.height&&(n=100*i((Math.abs(o.x)+this.blur)/t.width,s)+20,r=100*i((Math.abs(o.y)+this.blur)/t.height,s)+20),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'\n \n \n \n \n \n \n \n \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 t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(\d+(?:\.\d*)?(?:px)?)?(?:\s?|$)(?:$|\s)/}(i),function(){"use strict";if(r.StaticCanvas)return r.warn("fabric.StaticCanvas is already defined.");var t=r.util.object.extend,e=r.util.getElementOffset,i=r.util.removeFromArray,n=r.util.toFixed,s=r.util.transformPoint,o=r.util.invertTransform,a=r.util.getNodeCanvas,l=r.util.createCanvasElement,c=Error("Could not initialize `canvas` element");r.StaticCanvas=r.util.createClass(r.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:r.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 r.devicePixelRatio>1&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?Math.max(1,r.devicePixelRatio):1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=r.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=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},__setBgOverlayImage:function(t,e,i,n){return"string"==typeof e?r.util.loadImage(e,function(e,s){if(e){var o=new r.Image(e,n);this[t]=o,o.canvas=this}i&&i(e,s)},this,n&&n.crossOrigin):(n&&e.setOptions(n),this[t]=e,e&&(e.canvas=this),i&&i(e,!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=l();if(!t||(t.style||(t.style={}),void 0===t.getContext))throw c;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=r.util.getById(t)||this._createCanvasElement(),r.util.addClass(this.lowerCanvasEl,"lower-canvas"),this._originalCanvasStyle=this.lowerCanvasEl.style,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 n in e=e||{},t)i=t[n],e.cssOnly||(this._setBackstoreDimension(n,t[n]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(n,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(this.contextTop),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,n,r=this._activeObject,s=this.backgroundImage,o=this.overlayImage;for(i=0,this.viewportTransform=t,n=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,s=e.width||this.width,o=e.height||this.height,a='viewBox="0 0 '+this.width+" "+this.height+'" ',l=r.Object.NUM_FRACTION_DIGITS;e.viewBox?a='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(a='viewBox="'+n(-(i=this.viewportTransform)[4]/i[0],l)+" "+n(-i[5]/i[3],l)+" "+n(this.width/i[0],l)+" "+n(this.height/i[3],l)+'" '),t.push("\n',"Created with Fabric.js ",r.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+r.Object.__uid++,'\n'+this.clipPath.toClipPathSVG(t.reviver)+"\n"):""},createSVGRefElementsMarkup:function(){var t=this;return["background","overlay"].map(function(e){var i=t[e+"Color"];if(i&&i.toLive){var n=t[e+"Vpt"],s=t.viewportTransform,o={width:t.width/(n?s[0]:1),height:t.height/(n?s[3]:1)};return i.toSVG(o,{additionalTransform:n?r.util.matrixToSVG(s):""})}}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,n,s,o,a,l,c="",h={},u=r.fontPaths,f=[];for(this._objects.forEach(function t(e){f.push(e),e._objects&&e._objects.forEach(t)}),a=0,l=f.length;a\n"),c},_setSVGObjects:function(t,e){var i,n,r,s=this._objects;for(n=0,r=s.length;n\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(e=(r=s._objects).length;e--;)n=r[e],i(this._objects,n),this._objects.unshift(n);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(e=0,r=s._objects;e0+c&&(o=s-1,i(this._objects,r),this._objects.splice(o,0,r)),c++;else 0!==(s=this._objects.indexOf(t))&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var n,r;if(i){for(n=e,r=e-1;r>=0;--r)if(t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t)){n=r;break}}else n=e-1;return n},bringForward:function(t,e){if(!t)return this;var n,r,s,o,a,l=this._activeObject,c=0;if(t===l&&"activeSelection"===t.type)for(n=(a=l._objects).length;n--;)r=a[n],(s=this._objects.indexOf(r))"}}),t(r.StaticCanvas.prototype,r.Observable),t(r.StaticCanvas.prototype,r.Collection),t(r.StaticCanvas.prototype,r.DataURLExporter),t(r.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=l();if(!e||!e.getContext)return null;var i=e.getContext("2d");return i&&"setLineDash"===t?void 0!==i.setLineDash:null}}),r.StaticCanvas.prototype.toJSON=r.StaticCanvas.prototype.toObject,r.isLikelyNode&&(r.StaticCanvas.prototype.createPNGStream=function(){var t=a(this.lowerCanvasEl);return t&&t.createPNGStream()},r.StaticCanvas.prototype.createJPEGStream=function(t){var e=a(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}(),r.BaseBrush=r.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,limitedToCanvasSize:!1,_setBrushStyles:function(t){t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,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,n=t.getZoom();t&&t._isRetinaScaling()&&(n*=r.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*n,i.shadowOffsetX=e.offsetX*n,i.shadowOffsetY=e.offsetY*n}},needsFullRender:function(){return 1>new r.Color(this.color).getAlpha()||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0},_isOutSideCanvas:function(t){return t.x<0||t.x>this.canvas.getWidth()||t.y<0||t.y>this.canvas.getHeight()}}),r.PencilBrush=r.util.createClass(r.BaseBrush,{decimate:.4,drawStraightLine:!1,straightLineKey:"shiftKey",initialize:function(t){this.canvas=t,this._points=[]},needsFullRender:function(){return this.callSuper("needsFullRender")||this._hasStraightLine},_drawSegment:function(t,e,i){var n=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,n.x,n.y),n},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],!(!0===this.limitedToCanvasSize&&this._isOutSideCanvas(t))&&this._captureDrawingPath(t)&&this._points.length>1))if(this.needsFullRender())this.canvas.clearContext(this.canvas.contextTop),this._render();else{var i=this._points,n=i.length,r=this.canvas.contextTop;this._saveAndTransform(r),this.oldEnd&&(r.beginPath(),r.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(r,i[n-2],i[n-1],!0),r.stroke(),r.restore()}},onMouseUp:function(t){return!this.canvas._isMainEvent(t.e)||(this.drawStraightLine=!1,this.oldEnd=void 0,this._finalizeAndAddPath(),!1)},_prepareForDrawing:function(t){var e=new r.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){return!(this._points.length>1&&t.eq(this._points[this._points.length-1]))&&(this.drawStraightLine&&this._points.length>1&&(this._hasStraightLine=!0,this._points.pop()),this._points.push(t),!0)},_reset:function(){this._points=[],this._setBrushStyles(this.canvas.contextTop),this._setShadow(),this._hasStraightLine=!1},_captureDrawingPath:function(t){var e=new r.Point(t.x,t.y);return this._addPoint(e)},_render:function(t){var e,i,n=this._points[0],s=this._points[1];if(t=t||this.canvas.contextTop,this._saveAndTransform(t),t.beginPath(),2===this._points.length&&n.x===s.x&&n.y===s.y){var o=this.width/1e3;n=new r.Point(n.x,n.y),s=new r.Point(s.x,s.y),n.x-=o,s.x+=o}for(t.moveTo(n.x,n.y),e=1,i=this._points.length;e=n&&o.push(s=t[i]);return o.push(t[r]),o},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var t=this.convertPointsToSVGPath(this._points);if(this._isEmptySVGPath(t))return void this.canvas.requestRenderAll();var e=this.createPath(t);this.canvas.clearContext(this.canvas.contextTop),this.canvas.fire("before:path:created",{path:e}),this.canvas.add(e),this.canvas.requestRenderAll(),e.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:e})}}),r.CircleBrush=r.util.createClass(r.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),this.dot(i,e),i.restore()},dot:function(t,e){t.fillStyle=e.fill,t.beginPath(),t.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),t.closePath(),t.fill()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i=this.canvas.contextTop,n=this.points;for(this._saveAndTransform(i),t=0,e=n.length;t0&&!this.preserveObjectStacking){e=[],i=[];for(var r=0,s=this._objects.length;r1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&(this.renderTopLayer(this.contextTop),this.hasLostContext=!1);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTopLayer:function(t){t.save(),this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0),this.selection&&this._groupSelector&&(this._drawSelection(t),this.contextTopDirty=!0),t.restore()},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.renderTopLayer(t),this.fire("after:render"),this},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),n=r.util.invertTransform(i),s=this.restorePointerVpt(e);return r.util.transformPoint(s,n)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var n=this._normalizePointer(t,{x:e,y:i}),s=Math.max(t.cacheTranslationX+n.x*t.zoomX,0),o=Math.max(t.cacheTranslationY+n.y*t.zoomY,0),a=r.util.isTransparent(t._cacheContext,Math.round(s),Math.round(o),this.targetFindTolerance);return a}var l=this.contextCache,c=t.selectionBackgroundColor,h=this.viewportTransform;t.selectionBackgroundColor="",this.clearContext(l),l.save(),l.transform(h[0],h[1],h[2],h[3],h[4],h[5]),t.render(l),l.restore(),t.selectionBackgroundColor=c;var a=r.util.isTransparent(l,e,i,this.targetFindTolerance);return a},_isSelectionKeyPressed:function(t){return Array.isArray(this.selectionKey)?!!this.selectionKey.find(function(e){return!0===t[e]}):t[this.selectionKey]},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),n=this._activeObject;return!e||e&&n&&i.length>1&&-1===i.indexOf(e)&&n!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&n&&n!==e},_shouldCenterTransform:function(t,e,i){var n;if(t)return"scale"===e||"scaleX"===e||"scaleY"===e||"resizing"===e?n=this.centeredScaling||t.centeredScaling:"rotate"===e&&(n=this.centeredRotation||t.centeredRotation),n?!i:i},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":("mr"===e||"tr"===e||"br"===e)&&(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":("bl"===e||"mb"===e||"br"===e)&&(i.y="top"),i},_getActionFromCorner:function(t,e,i,n){if(!e||!t)return"drag";var r=n.controls[e];return r.getActionName(i,r,n)},_setupCurrentTransform:function(t,i,n){if(i){var s=this.getPointer(t),o=i.__corner,a=i.controls[o],l=n&&o?a.getActionHandler(t,i,a):r.controlsUtils.dragHandler,c=this._getActionFromCorner(n,o,t,i),h=this._getOriginFromCorner(i,o),u=t[this.centeredKey],f={target:i,action:c,actionHandler:l,corner:o,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:s.x-i.left,offsetY:s.y-i.top,originX:h.x,originY:h.y,ex:s.x,ey:s.y,lastX:s.x,lastY:s.y,theta:e(i.angle),width:i.width*i.scaleX,shiftKey:t.shiftKey,altKey:u,original:r.util.saveObjectTransform(i)};this._shouldCenterTransform(i,c,u)&&(f.originX="center",f.originY="center"),f.original.originX=h.x,f.original.originY=h.y,this._currentTransform=f,this._beforeTransform(t)}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,i=new r.Point(e.ex,e.ey),n=r.util.transformPoint(i,this.viewportTransform),s=new r.Point(e.ex+e.left,e.ey+e.top),o=r.util.transformPoint(s,this.viewportTransform),a=Math.min(n.x,o.x),l=Math.min(n.y,o.y),c=Math.max(n.x,o.x),h=Math.max(n.y,o.y),u=this.selectionLineWidth/2;this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(a,l,c-a,h-l)),this.selectionLineWidth&&this.selectionBorderColor&&(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,a+=u,l+=u,c-=u,h-=u,r.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(a,l,c-a,h-l))},findTarget:function(t,e){if(!this.skipTargetFind){var n,r,s=this.getPointer(t,!0),o=this._activeObject,a=this.getActiveObjects(),l=i(t),c=a.length>1&&!e||1===a.length;if(this.targets=[],c&&o._findTargetCorner(s,l)||a.length>1&&!e&&o===this._searchPossibleTargets([o],s))return o;if(1===a.length&&o===this._searchPossibleTargets([o],s))if(!this.preserveObjectStacking)return o;else n=o,r=this.targets,this.targets=[];var h=this._searchPossibleTargets(this._objects,s);return t[this.altSelectionKey]&&h&&n&&h!==n&&(h=n,this.targets=r),h}},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&e.containsPoint(t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;else if(!this.isTargetTransparent(e,i.x,i.y))return!0}},_searchPossibleTargets:function(t,e){for(var i,n,s=t.length;s--;){var o=t[s],a=o.group?this._normalizePointer(o.group,e):e;if(this._checkTarget(a,o,e)){(i=t[s]).subTargetCheck&&i instanceof r.Group&&(n=this._searchPossibleTargets(i._objects,e))&&this.targets.push(n);break}}return i},restorePointerVpt:function(t){return r.util.transformPoint(t,r.util.invertTransform(this.viewportTransform))},getPointer:function(e,i){if(this._absolutePointer&&!i)return this._absolutePointer;if(this._pointer&&i)return this._pointer;var n,r=t(e),s=this.upperCanvasEl,o=s.getBoundingClientRect(),a=o.width||0,l=o.height||0;(!a||!l)&&("top"in o&&"bottom"in o&&(l=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),r.x=r.x-this._offset.left,r.y=r.y-this._offset.top,i||(r=this.restorePointerVpt(r));var c=this.getRetinaScaling();return 1!==c&&(r.x/=c,r.y/=c),n=0===a||0===l?{width:1,height:1}:{width:s.width/a,height:s.height/l},{x:r.x*n.width,y:r.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,""),e=this.lowerCanvasEl,i=this.upperCanvasEl;i?i.className="":(i=this._createCanvasElement(),this.upperCanvasEl=i),r.util.addClass(i,"upper-canvas "+t),this.wrapperEl.appendChild(i),this._copyCanvasStyle(e,i),this._applyCanvasStyle(i),this.contextTop=i.getContext("2d")},getTopContext:function(){return this.contextTop},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=r.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),r.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),r.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;r.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none","-ms-touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=i,r.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;if(t)if("activeSelection"===t.type&&t._objects)return t._objects.slice(0);else return[t];return[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),t===this._hoveredTarget&&(this._hoveredTarget=null,this._hoveredTargets=[]),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(t,e){var i=!1,n=this.getActiveObjects(),r=[],s=[];t.forEach(function(t){-1===n.indexOf(t)&&(i=!0,t.fire("deselected",{e:e,target:t}),s.push(t))}),n.forEach(function(n){-1===t.indexOf(n)&&(i=!0,n.fire("selected",{e:e,target:n}),r.push(n))}),t.length>0&&n.length>0?i&&this.fire("selection:updated",{e:e,selected:r,deselected:s}):n.length>0?this.fire("selection:created",{e:e,selected:r}):t.length>0&&this.fire("selection:cleared",{e:e,deselected:s})},setActiveObject:function(t,e){var i=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(i,e),this},_setActiveObject:function(t,e){return!(this._activeObject===t||!this._discardActiveObject(e,t)||t.onSelect({e:e}))&&(this._activeObject=t,!0)},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects(),i=this.getActiveObject();return e.length&&this.fire("before:selection:cleared",{target:i,e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),this.contextCache=null,this.contextTop=null,["upperCanvasEl","cacheCanvasEl"].forEach((function(t){r.util.cleanUpJsdomNode(this[t]),this[t]=void 0}).bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,r.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(t),r=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,n),r},_realizeGroupTransformOnObject:function(t){if(!t.group||"activeSelection"!==t.group.type||this._activeObject!==t.group)return null;var e={};return["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"].forEach(function(i){e[i]=t[i]}),r.util.addTransformToObject(t,this._activeObject.calcOwnMatrix()),e},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,n)},setViewportTransform:function(t){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),r.StaticCanvas.prototype.setViewportTransform.call(this,t)}}),r.StaticCanvas)"prototype"!==n&&(r.Canvas[n]=r.StaticCanvas[n])}(),function(){var t=r.util.addListener,e=r.util.removeListener,i={passive:!1};function n(t,e){return t.button&&t.button===e-1}r.util.object.extend(r.Canvas.prototype,{mainTouchId:null,_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(t,"add")},_getEventPrefix:function(){return this.enablePointerEvents?"pointer":"mouse"},addOrRemove:function(t,e){var n=this.upperCanvasEl,s=this._getEventPrefix();t(r.window,"resize",this._onResize),t(n,s+"down",this._onMouseDown),t(n,s+"move",this._onMouseMove,i),t(n,s+"out",this._onMouseOut),t(n,s+"enter",this._onMouseEnter),t(n,"wheel",this._onMouseWheel),t(n,"contextmenu",this._onContextMenu),t(n,"dblclick",this._onDoubleClick),t(n,"dragover",this._onDragOver),t(n,"dragenter",this._onDragEnter),t(n,"dragleave",this._onDragLeave),t(n,"drop",this._onDrop),this.enablePointerEvents||t(n,"touchstart",this._onTouchStart,i),"undefined"!=typeof eventjs&&e in eventjs&&(eventjs[e](n,"gesture",this._onGesture),eventjs[e](n,"drag",this._onDrag),eventjs[e](n,"orientation",this._onOrientationChange),eventjs[e](n,"shake",this._onShake),eventjs[e](n,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(e,"remove");var t=this._getEventPrefix();e(r.document,t+"up",this._onMouseUp),e(r.document,"touchend",this._onTouchEnd,i),e(r.document,t+"move",this._onMouseMove,i),e(r.document,"touchmove",this._onMouseMove,i)},_bindEvents:function(){this.eventsBound||(this._onMouseDown=this._onMouseDown.bind(this),this._onTouchStart=this._onTouchStart.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onTouchEnd=this._onTouchEnd.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this,"dragenter"),this._onDragLeave=this._simpleEventHandler.bind(this,"dragleave"),this._onDrop=this._onDrop.bind(this),this.eventsBound=!0)},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t});var i=this;this._hoveredTargets.forEach(function(e){i.fire("mouse:out",{target:e,e:t}),e&&e.fire("mouseout",{e:t})}),this._hoveredTargets=[]},_onMouseEnter:function(t){this._currentTransform||this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null,this._hoveredTargets=[])},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onDragOver:function(t){t.preventDefault();var e=this._simpleEventHandler("dragover",t);this._fireEnterLeaveEvents(e,t)},_onDrop:function(t){return this._simpleEventHandler("drop:before",t),this._simpleEventHandler("drop",t)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"dblclick"),this._resetTransformEventData(t)},getPointerId:function(t){var e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1},_isMainEvent:function(t){return!0===t.isPrimary||!1!==t.isPrimary&&("touchend"===t.type&&0===t.touches.length||!t.changedTouches||t.changedTouches[0].identifier===this.mainTouchId)},_onTouchStart:function(n){n.preventDefault(),null===this.mainTouchId&&(this.mainTouchId=this.getPointerId(n)),this.__onMouseDown(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();t(r.document,"touchend",this._onTouchEnd,i),t(r.document,"touchmove",this._onMouseMove,i),e(s,o+"down",this._onMouseDown)},_onMouseDown:function(n){this.__onMouseDown(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();e(s,o+"move",this._onMouseMove,i),t(r.document,o+"up",this._onMouseUp),t(r.document,o+"move",this._onMouseMove,i)},_onTouchEnd:function(n){if(!(n.touches.length>0)){this.__onMouseUp(n),this._resetTransformEventData(),this.mainTouchId=null;var s=this._getEventPrefix();e(r.document,"touchend",this._onTouchEnd,i),e(r.document,"touchmove",this._onMouseMove,i);var o=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout(function(){t(o.upperCanvasEl,s+"down",o._onMouseDown),o._willAddMouseDown=0},400)}},_onMouseUp:function(n){this.__onMouseUp(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();this._isMainEvent(n)&&(e(r.document,o+"up",this._onMouseUp),e(r.document,o+"move",this._onMouseMove,i),t(s,o+"move",this._onMouseMove,i))},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t){var e=this._activeObject;return!!e!=!!t||!!e&&!!t&&e!==t||(e&&e.isEditing,!1)},__onMouseUp:function(t){var e,i,s,o=this._currentTransform,a=this._groupSelector,l=!1,c=!a||0===a.left&&0===a.top;if(this._cacheTransformEventData(t),s=this._target,this._handleEvent(t,"up:before"),n(t,3)){this.fireRightClick&&this._handleEvent(t,"up",3,c);return}if(n(t,2)){this.fireMiddleClick&&this._handleEvent(t,"up",2,c),this._resetTransformEventData();return}if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(t);if(this._isMainEvent(t)){if(o&&(this._finalizeCurrentTransform(t),l=o.actionPerformed),!c){var h=s===this._activeObject;this._maybeGroupObjects(t),l||(l=this._shouldRender(s)||!h&&s===this._activeObject)}if(s){if(e=s._findTargetCorner(this.getPointer(t,!0),r.util.isTouchEvent(t)),s.selectable&&s!==this._activeObject&&"up"===s.activeOn)this.setActiveObject(s,t),l=!0;else{var u=s.controls[e],f=u&&u.getMouseUpHandler(t,s,u);f&&(i=this.getPointer(t),f(t,o,i.x,i.y))}s.isMoving=!1}if(o&&(o.target!==s||o.corner!==e)){var d=o.target&&o.target.controls[o.corner],g=d&&d.getMouseUpHandler(t,s,u);i=i||this.getPointer(t),g&&g(t,o,i.x,i.y)}this._setCursorFromEvent(t,s),this._handleEvent(t,"up",1,c),this._groupSelector=null,this._currentTransform=null,s&&(s.__corner=0),l?this.requestRenderAll():c||this.renderTop()}},_simpleEventHandler:function(t,e){var i=this.findTarget(e),n=this.targets,r={e:e,target:i,subTargets:n};if(this.fire(t,r),i&&i.fire(t,r),!n)return i;for(var s=0;s1&&(e=new r.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(i){for(var n,s=[],o=this._groupSelector.ex,a=this._groupSelector.ey,l=o+this._groupSelector.left,c=a+this._groupSelector.top,h=new r.Point(t(o,l),t(a,c)),u=new r.Point(e(o,l),e(a,c)),f=!this.selectionFullyContained,d=o===l&&a===c,g=this._objects.length;g--&&!((n=this._objects[g])&&n.selectable&&n.visible&&(f&&n.intersectsWithRect(h,u,!0)||n.isContainedWithinRect(h,u,!0)||f&&n.containsPoint(h,null,!0)||f&&n.containsPoint(u,null,!0))&&(s.push(n),d)););return s.length>1&&(s=s.filter(function(t){return!t.onSelect({e:i})})),s},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}})}(),r.util.object.extend(r.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,n=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),s=this.toCanvasElement(n,t);return r.util.toDataURL(s,e,i)},toCanvasElement:function(t,e){t=t||1;var i=((e=e||{}).width||this.width)*t,n=(e.height||this.height)*t,s=this.getZoom(),o=this.width,a=this.height,l=s*t,c=this.viewportTransform,h=(c[4]-(e.left||0))*t,u=(c[5]-(e.top||0))*t,f=this.interactive,d=this.enableRetinaScaling,g=r.util.createCanvasElement(),p=this.contextTop;return g.width=i,g.height=n,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=[l,0,0,l,h,u],this.width=i,this.height=n,this.calcViewportBoundaries(),this.renderCanvas(g.getContext("2d"),this._objects),this.viewportTransform=c,this.width=o,this.height=a,this.calcViewportBoundaries(),this.interactive=f,this.enableRetinaScaling=d,this.contextTop=p,g}}),r.util.object.extend(r.StaticCanvas.prototype,{loadFromJSON:function(t,e,i){if(t){var n="string"==typeof t?JSON.parse(t):r.util.object.clone(t),s=this,o=n.clipPath,a=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete n.clipPath,this._enlivenObjects(n.objects,function(t){s.clear(),s._setBgOverlay(n,function(){o?s._enlivenObjects([o],function(i){s.clipPath=i[0],s.__setupCanvas.call(s,n,t,a,e)}):s.__setupCanvas.call(s,n,t,a,e)})},i),this}},__setupCanvas:function(t,e,i,n){var r=this;e.forEach(function(t,e){r.insertAt(t,e)}),this.renderOnAddRemove=i,delete t.objects,delete t.backgroundImage,delete t.overlayImage,delete t.background,delete t.overlay,this._setOptions(t),this.renderAll(),n&&n()},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!t.backgroundImage&&!t.overlayImage&&!t.background&&!t.overlay){e&&e();return}var n=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,n),this.__setBgOverlay("overlayImage",t.overlayImage,i,n),this.__setBgOverlay("backgroundColor",t.background,i,n),this.__setBgOverlay("overlayColor",t.overlay,i,n)},__setBgOverlay:function(t,e,i,n){var s=this;if(!e){i[t]=!0,n&&n();return}"backgroundImage"===t||"overlayImage"===t?r.util.enlivenObjects([e],function(e){s[t]=e[0],i[t]=!0,n&&n()}):this["set"+r.util.string.capitalize(t,!0)](e,function(){i[t]=!0,n&&n()})},_enlivenObjects:function(t,e,i){if(!t||0===t.length){e&&e([]);return}r.util.enlivenObjects(t,function(t){e&&e(t)},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(n){i(n.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=r.util.createCanvasElement();e.width=this.width,e.height=this.height;var i=new r.Canvas(e);this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,touchCornerSize:24,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgb(178,204,255)",borderDashArray:null,cornerColor:"rgb(178,204,255)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeDashOffset:0,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:4,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,perPixelTargetFind:!1,includeDefaultValues:!0,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:a,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",activeOn:"down",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow visible backgroundColor skewX skewY fillRule paintFirst clipPath strokeUniform".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath".split(" "),colorProperties:"fill stroke backgroundColor".split(" "),clipPath:void 0,inverted:!1,absolutePositioned:!1,initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.util.createCanvasElement(),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,n=t.width,r=t.height,s=e.maxCacheSideLimit,o=e.minCacheSideLimit;if(n<=s&&r<=s&&n*r<=i)return nc&&(t.zoomX/=n/c,t.width=c,t.capped=!0),r>h&&(t.zoomY/=r/h,t.height=h,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.getTotalObjectScaling(),e=this._getTransformedDimensions(0,0),i=e.x*t.scaleX/this.scaleX,n=e.y*t.scaleY/this.scaleY;return{width:Math.ceil(i+2),height:Math.ceil(n+2),zoomX:t.scaleX,zoomY:t.scaleY,x:i,y:n}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var e=t._currentTransform.target,i=t._currentTransform.action;if(this===e&&i.slice&&"scale"===i.slice(0,5))return!1}var n,r,s=this._cacheCanvas,o=this._limitCacheSize(this._getCacheCanvasDimensions()),a=o.width,l=o.height,c=o.zoomX,h=o.zoomY,u=a!==this.cacheWidth||l!==this.cacheHeight,f=this.zoomX!==c||this.zoomY!==h;return(!!u||!!f)&&(u?(s.width=a,s.height=l):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,s.width,s.height)),n=o.x/2,r=o.y/2,this.cacheTranslationX=Math.round(s.width/2-n)+n,this.cacheTranslationY=Math.round(s.height/2-r)+r,this.cacheWidth=a,this.cacheHeight=l,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(c,h),this.zoomX=c,this.zoomY=h,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e=this.group&&!this.group._transformDone||this.group&&this.canvas&&t===this.canvas.contextTop,i=this.calcTransformMatrix(!e);t.transform(i[0],i[1],i[2],i[3],i[4],i[5])},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,n={type:this.type,version:e.version,originX:this.originX,originY:this.originY,left:r(this.left,i),top:r(this.top,i),width:r(this.width,i),height:r(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeUniform:this.strokeUniform,strokeMiterLimit:r(this.strokeMiterLimit,i),scaleX:r(this.scaleX,i),scaleY:r(this.scaleY,i),angle:r(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,backgroundColor:this.backgroundColor,fillRule:this.fillRule,paintFirst:this.paintFirst,globalCompositeOperation:this.globalCompositeOperation,skewX:r(this.skewX,i),skewY:r(this.skewY,i)};return this.clipPath&&!this.clipPath.excludeFromExport&&(n.clipPath=this.clipPath.toObject(t),n.clipPath.inverted=this.clipPath.inverted,n.clipPath.absolutePositioned=this.clipPath.absolutePositioned),e.util.populateWithProperties(this,n,t),this.includeDefaultValues||(n=this._removeDefaultValues(n)),n},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype;return i.stateProperties.forEach(function(e){"left"!==e&&"top"!==e&&(t[e]===i[e]&&delete t[e],Array.isArray(t[e])&&Array.isArray(i[e])&&0===t[e].length&&0===i[e].length&&delete t[e])}),t},toString:function(){return"#"},getObjectScaling:function(){if(!this.group)return{scaleX:this.scaleX,scaleY:this.scaleY};var t=e.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 n=this.canvas.getZoom(),r=this.canvas.getRetinaScaling();e*=n*r,i*=n*r}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var n="scaleX"===t||"scaleY"===t,r=this[t]!==i,s=!1;return n&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,r&&(s=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(t)>-1?(this.dirty=!0,s&&this.group.set("dirty",!0)):s&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||!this.width&&!this.height&&0===this.strokeWidth||!this.visible},render:function(t){!this.isNotVisible()&&(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),t.restore())},renderCache:function(t){t=t||{},this._cacheCanvas&&this._cacheContext||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,t.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null,this._cacheContext=null,this.cacheWidth=0,this.cacheHeight=0},hasStroke:function(){return this.stroke&&"transparent"!==this.stroke&&0!==this.strokeWidth},hasFill:function(){return this.fill&&"transparent"!==this.fill},needsItsOwnCache:function(){return!!("stroke"===this.paintFirst&&this.hasFill()&&this.hasStroke())&&"object"==typeof this.shadow||!!this.clipPath},shouldCache:function(){return this.ownCaching=this.needsItsOwnCache()||this.objectCaching&&(!this.group||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawClipPathOnCache:function(t,i){if(t.save(),i.inverted?t.globalCompositeOperation="destination-out":t.globalCompositeOperation="destination-in",i.absolutePositioned){var n=e.util.invertTransform(this.calcTransformMatrix());t.transform(n[0],n[1],n[2],n[3],n[4],n[5])}i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},drawObject:function(t,e){var i=this.fill,n=this.stroke;e?(this.fill="black",this.stroke="",this._setClippingProperties(t)):this._renderBackground(t),this._render(t),this._drawClipPath(t,this.clipPath),this.fill=i,this.stroke=n},_drawClipPath:function(t,e){e&&(e.canvas=this.canvas,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCache(t,e))},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&this._cacheContext&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&this._cacheContext&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){var i=e.stroke;i&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineDashOffset=e.strokeDashOffset,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,i.toLive?"percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform?this._applyPatternForTransformedGradient(t,i):(t.strokeStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):t.strokeStyle=e.stroke)},_setFillStyles:function(t,e){var i=e.fill;i&&(i.toLive?(t.fillStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,e.fill)):t.fillStyle=i)},_setClippingProperties:function(t){t.globalAlpha=1,t.strokeStyle="transparent",t.fillStyle="#000000"},_setLineDash:function(t,e){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),t.setLineDash(e))},_renderControls:function(t,i){var n,r,s,a=this.getViewportTransform(),l=this.calcTransformMatrix();r=void 0!==(i=i||{}).hasBorders?i.hasBorders:this.hasBorders,s=void 0!==i.hasControls?i.hasControls:this.hasControls,l=e.util.multiplyTransformMatrices(a,l),n=e.util.qrDecompose(l),t.save(),t.translate(n.translateX,n.translateY),t.lineWidth=+this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.flipX&&(n.angle-=180),t.rotate(o(this.group?n.angle:this.angle)),i.forActiveSelection||this.group?r&&this.drawBordersInGroup(t,n,i):r&&this.drawBorders(t,i),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i,n=this.shadow,r=this.canvas,s=r&&r.viewportTransform[0]||1,o=r&&r.viewportTransform[3]||1;i=n.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),r&&r._isRetinaScaling()&&(s*=e.devicePixelRatio,o*=e.devicePixelRatio),t.shadowColor=n.color,t.shadowBlur=n.blur*e.browserShadowBlurConstant*(s+o)*(i.scaleX+i.scaleY)/4,t.shadowOffsetX=n.offsetX*s*i.scaleX,t.shadowOffsetY=n.offsetY*o*i.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,n=-this.width/2+e.offsetX||0,r=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,n,r):t.transform(1,0,0,1,n,r),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:n,offsetY:r}},_renderPaintInOrder:function(t){"stroke"===this.paintFirst?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))},_render:function(){},_renderFill:function(t){this.fill&&(t.save(),this._setFillStyles(t,this),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this.strokeUniform&&this.group){var e=this.getObjectScaling();t.scale(1/e.scaleX,1/e.scaleY)}else this.strokeUniform&&t.scale(1/this.scaleX,1/this.scaleY);this._setLineDash(t,this.strokeDashArray),this._setStrokeStyles(t,this),t.stroke(),t.restore()}},_applyPatternForTransformedGradient:function(t,i){var n,r=this._limitCacheSize(this._getCacheCanvasDimensions()),s=e.util.createCanvasElement(),o=this.canvas.getRetinaScaling(),a=r.x/this.scaleX/o,l=r.y/this.scaleY/o;s.width=Math.ceil(a),s.height=Math.ceil(l),(n=s.getContext("2d")).beginPath(),n.moveTo(0,0),n.lineTo(a,0),n.lineTo(a,l),n.lineTo(0,l),n.closePath(),n.translate(a/2,l/2),n.scale(r.zoomX/this.scaleX/o,r.zoomY/this.scaleY/o),this._applyPatternGradientTransform(n,i),n.fillStyle=i.toLive(t),n.fill(),t.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),t.scale(o*this.scaleX/r.zoomX,o*this.scaleY/r.zoomY),t.strokeStyle=n.createPattern(s,"no-repeat")},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(t){var i=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),i=e.util.transformPoint(i,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,i.x+=t.offsetLeft,i.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(i,"center","center")},clone:function(t,i){var n=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(n,t):e.Object._fromObject("Object",n,t)},cloneAsImage:function(t,i){var n=this.toCanvasElement(i);return t&&t(new e.Image(n)),this},toCanvasElement:function(t){t||(t={});var i=e.util,n=i.saveObjectTransform(this),r=this.group,s=this.shadow,o=Math.abs,a=(t.multiplier||1)*(t.enableRetinaScaling?e.devicePixelRatio:1);delete this.group,t.withoutTransform&&i.resetObjectTransform(this),t.withoutShadow&&(this.shadow=null);var l,c,h,u,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),g=this.shadow,p={x:0,y:0};g&&(c=g.blur,l=g.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),p.x=2*Math.round(o(g.offsetX)+c)*o(l.scaleX),p.y=2*Math.round(o(g.offsetY)+c)*o(l.scaleY)),h=d.width+p.x,u=d.height+p.y,f.width=Math.ceil(h),f.height=Math.ceil(u);var m=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(m.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(m.width/2,m.height/2),"center","center");var y=this.canvas;m.add(this);var b=m.toCanvasElement(a||1,t);return this.shadow=s,this.set("canvas",y),r&&(this.group=r),this.set(n).setCoords(),m._objects=[],m.dispose(),m=null,b},toDataURL:function(t){return t||(t={}),e.util.toDataURL(this.toCanvasElement(t),t.format||"png",t.quality||1)},isType:function(t){return arguments.length>1?Array.from(arguments).includes(this.type):this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var n=new e.Point(i.x,i.y),r=this._getLeftTopCoords();return this.angle&&(n=e.util.rotatePoint(n,r,o(-this.angle))),{x:n.x-r.x,y:n.y-r.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)},dispose:function(){e.runningAnimations&&e.runningAnimations.cancelByTarget(this)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.ENLIVEN_PROPS=["clipPath"],e.Object._fromObject=function(t,i,r,s){var o=e[t];i=n(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){void 0!==t[0]&&(i.fill=t[0]),void 0!==t[1]&&(i.stroke=t[1]),e.util.enlivenObjectEnlivables(i,i,function(){var t=s?new o(i[s],i):new o(i);r&&r(t)})})},e.Object.__uid=0)}(i),function(){var t=r.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};r.util.object.extend(r.Object.prototype,{translateToGivenOrigin:function(t,n,s,o,a){var l,c,h,u=t.x,f=t.y;return"string"==typeof n?n=e[n]:n-=.5,"string"==typeof o?o=e[o]:o-=.5,l=o-n,"string"==typeof s?s=i[s]:s-=.5,"string"==typeof a?a=i[a]:a-=.5,c=a-s,(l||c)&&(h=this._getTransformedDimensions(),u=t.x+l*h.x,f=t.y+c*h.y),new r.Point(u,f)},translateToCenterPoint:function(e,i,n){var s=this.translateToGivenOrigin(e,i,n,"center","center");return this.angle?r.util.rotatePoint(s,e,t(this.angle)):s},translateToOriginPoint:function(e,i,n){var s=this.translateToGivenOrigin(e,"center","center",i,n);return this.angle?r.util.rotatePoint(s,e,t(this.angle)):s},getCenterPoint:function(){var t=new r.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,n){var s,o,a=this.getCenterPoint();return s=void 0!==i&&void 0!==n?this.translateToGivenOrigin(a,"center","center",i,n):new r.Point(this.left,this.top),o=new r.Point(e.x,e.y),this.angle&&(o=r.util.rotatePoint(o,a,-t(this.angle))),o.subtractEquals(s)},setPositionByOrigin:function(t,e,i){var n=this.translateToCenterPoint(t,e,i),r=this.translateToOriginPoint(n,this.originX,this.originY);this.set("left",r.x),this.set("top",r.y)},adjustPosition:function(i){var n,s,o=t(this.angle),a=this.getScaledWidth(),l=r.util.cos(o)*a,c=r.util.sin(o)*a;n="string"==typeof this.originX?e[this.originX]:this.originX-.5,s="string"==typeof i?e[i]:i-.5,this.left+=l*(s-n),this.top+=c*(s-n),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}(),function(){var t=r.util,e=t.degreesToRadians,i=t.multiplyTransformMatrices,n=t.transformPoint;t.object.extend(r.Object.prototype,{oCoords:null,aCoords:null,lineCoords:null,ownMatrixCache:null,matrixCache:null,controls:{},_getCoords:function(t,e){return e?t?this.calcACoords():this.calcLineCoords():(this.aCoords&&this.lineCoords||this.setCoords(!0),t?this.aCoords:this.lineCoords)},getCoords:function(t,e){var i;return i=this._getCoords(t,e),[new r.Point(i.tl.x,i.tl.y),new r.Point(i.tr.x,i.tr.y),new r.Point(i.br.x,i.br.y),new r.Point(i.bl.x,i.bl.y)]},intersectsWithRect:function(t,e,i,n){var s=this.getCoords(i,n);return"Intersection"===r.Intersection.intersectPolygonRectangle(s,t,e).status},intersectsWithObject:function(t,e,i){return"Intersection"===r.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i)).status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var n=this.getCoords(e,i),r=e?t.aCoords:t.lineCoords,s=0,o=t._getImageLines(r);s<4;s++)if(!t.containsPoint(n[s],o))return!1;return!0},isContainedWithinRect:function(t,e,i,n){var r=this.getBoundingRect(i,n);return r.left>=t.x&&r.left+r.width<=e.x&&r.top>=t.y&&r.top+r.height<=e.y},containsPoint:function(t,e,i,n){var r=this._getCoords(i,n),e=e||this._getImageLines(r),s=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 n={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(n,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,n,r,s=0;for(var o in e)if((!((r=e[o]).o.y=t.y)||!(r.d.y>=t.y))&&(r.o.x===r.d.x&&r.o.x>=t.x?n=r.o.x:(i=(r.d.y-r.o.y)/(r.d.x-r.o.x),n=-(t.y-0*t.x-(r.o.y-i*r.o.x))/(0-i)),n>=t.x&&(s+=1),2===s))break;return s},getBoundingRect:function(e,i){var n=this.getCoords(e,i);return t.makeBoundingBoxFromPoints(n)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){if(Math.abs(t)\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return" "+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,n=e.additionalTransform||"",r=[this.getSvgTransform(!0,n),this.getSvgCommons()].join(""),s=t.indexOf("COMMON_PARTS");return t[s]=r,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,n,s=(e=e||{}).noStyle,o=e.reviver,a=s?"":'style="'+this.getSvgStyles()+'" ',l=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",c=this.clipPath,h=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",u=c&&c.absolutePositioned,f=this.stroke,d=this.fill,g=this.shadow,p=[],m=t.indexOf("COMMON_PARTS"),y=e.additionalTransform;return c&&(c.clipPathId="CLIPPATH_"+r.Object.__uid++,n='\n'+c.toClipPathSVG(o)+"\n"),u&&p.push("\n"),p.push("\n"),i=""+a+h+(s?"":this.addPaintOrder())+" "+(y?'transform="'+y+'" ':""),t[m]=i,d&&d.toLive&&p.push(d.toSVG(this)),f&&f.toLive&&p.push(f.toSVG(this)),g&&p.push(g.toSVG(this)),c&&p.push(n),p.push(t.join("")),p.push("\n"),u&&p.push("\n"),o?o(p.join("")):p.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var t=r.util.object.extend,e="stateProperties";function i(e,i,n){var r={};n.forEach(function(t){r[t]=e[t]}),t(e[i],r,!0)}r.util.object.extend(r.Object.prototype,{hasStateChanged:function(t){var i="_"+(t=t||e);return Object.keys(this[i]).length=0;l--)if(r=a[l],this.isControlVisible(r)&&(n=this._getImageLines(e?this.oCoords[r].touchCorner:this.oCoords[r].corner),0!==(i=this._findCrossPoints({x:s,y:o},n))&&i%2==1))return this.__corner=r,r;return!1},forEachControl:function(t){for(var e in this.controls)t(this.controls[e],e,this)},_setCornerCoords:function(){var t=this.oCoords;for(var e in t){var i=this.controls[e];t[e].corner=i.calcCornerCoords(this.angle,this.cornerSize,t[e].x,t[e].y,!1),t[e].touchCorner=i.calcCornerCoords(this.angle,this.touchCornerSize,t[e].x,t[e].y,!0)}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;e.save();var i=this.getCenterPoint(),n=this._calculateCurrentDimensions(),r=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/r[0],1/r[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-n.x/2,-n.y/2,n.x,n.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),n=this.borderScaleFactor,r=i.x+n,s=i.y+n,o=void 0!==e.hasControls?e.hasControls:this.hasControls,a=!1;return t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray),t.strokeRect(-r/2,-s/2,r,s),o&&(t.beginPath(),this.forEachControl(function(e,i,n){e.withConnection&&e.getVisibility(n,i)&&(a=!0,t.moveTo(e.x*r,e.y*s),t.lineTo(e.x*r+e.offsetX,e.y*s+e.offsetY))}),a&&t.stroke()),t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var n=r.util.sizeAfterTransform(this.width,this.height,e),s=this.strokeWidth,o=this.strokeUniform,a=this.borderScaleFactor,l=n.x+s*(o?this.canvas.getZoom():e.scaleX)+a,c=n.y+s*(o?this.canvas.getZoom():e.scaleY)+a;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-l/2,-c/2,l,c),t.restore(),this},drawControls:function(t,e){e=e||{},t.save();var i,n,s=1;return this.canvas&&(s=this.canvas.getRetinaScaling()),t.setTransform(s,0,0,s,0,0),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray),this.setCoords(),this.group&&(i=this.group.calcTransformMatrix()),this.forEachControl(function(s,o,a){n=a.oCoords[o],s.getVisibility(a,o)&&(i&&(n=r.util.transformPoint(n,i)),s.render(t,n.x,n.y,e,a))}),t.restore(),this},isControlVisible:function(t){return this.controls[t]&&this.controls[t].getVisibility(this,t)},setControlVisible:function(t,e){return this._controlsVisibility||(this._controlsVisibility={}),this._controlsVisibility[t]=e,this},setControlsVisibility:function(t){for(var e in t||(t={}),t)this.setControlVisible(e,t[e]);return this},onDeselect:function(){},onSelect:function(){}})}(),r.util.object.extend(r.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.left,endValue:this.getCenterPoint().x,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),n()}})},fxCenterObjectV:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.top,endValue:this.getCenterPoint().y,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),n()}})},fxRemove:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),o.requestRenderAll(),s()},onComplete:function(){o.remove(t),n()}})}}),r.util.object.extend(r.Object.prototype,{animate:function(){if(!arguments[0]||"object"!=typeof arguments[0])return this._animate.apply(this,arguments);var t,e,i=[],n=[];for(t in arguments[0])i.push(t);for(var r=0,s=i.length;r-1||s&&o.colorProperties.indexOf(s[1])>-1,l=s?this.get(s[0])[s[1]]:this.get(t);"from"in i||(i.from=l),a||(e=~e.indexOf("=")?l+parseFloat(e.replace("=","")):parseFloat(e));var c={target:this,startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(t,e,n){return i.abort.call(o,t,e,n)},onChange:function(e,r,a){s?o[s[0]][s[1]]=e:o.set(t,e),!n&&i.onChange&&i.onChange(e,r,a)},onComplete:function(t,e,r){!n&&(o.setCoords(),i.onComplete&&i.onComplete(t,e,r))}};return a?r.util.animateColor(c.startValue,c.endValue,c.duration,c):r.util.animate(c)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r={x1:1,x2:1,y1:1,y2:1};if(e.Line)return e.warn("fabric.Line is already defined");function s(t,e){var i=t.origin,n=t.axis1,r=t.axis2,s=t.dimension,o=e.nearest,a=e.center,l=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(n),this.get(r));case a:return Math.min(this.get(n),this.get(r))+.5*this.get(s);case l:return Math.max(this.get(n),this.get(r))}}}e.Line=e.util.createClass(e.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:e.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),void 0!==r[t]&&this._setWidthHeight(),this},_getLeftToOriginX:s({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:s({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){t.beginPath();var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2),t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return i(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,n=e*this.height*.5;return{x1:i,x2:-(t*this.width*.5),y1:n,y2:-(e*this.height*.5)}},_toSVG:function(){var t=this.calcLinePoints();return["\n']}}),e.Line.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),e.Line.fromElement=function(t,n,r){r=r||{};var s=e.parseAttributes(t,e.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];n(new e.Line(o,i(s,r)))},e.Line.fromObject=function(t,i){var r=n(t,!0);r.points=[t.x1,t.y1,t.x2,t.y2],e.Object._fromObject("Line",r,function(t){delete t.points,i&&i(t)},"points")}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians;if(e.Circle)return e.warn("fabric.Circle is already defined.");e.Circle=e.util.createClass(e.Object,{type:"circle",radius:0,startAngle:0,endAngle:360,cacheProperties:e.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,n=(this.endAngle-this.startAngle)%360;if(0===n)t=["\n'];else{var r=i(this.startAngle),s=i(this.endAngle),o=this.radius,a=e.util.cos(r)*o,l=e.util.sin(r)*o,c=e.util.cos(s)*o,h=e.util.sin(s)*o;t=['180?"1":"0")+" 1"," "+c+" "+h,'" ',"COMMON_PARTS"," />\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,i(this.startAngle),i(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)}}),e.Circle.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),e.Circle.fromElement=function(t,i){var n,r=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!("radius"in(n=r)&&n.radius>=0))throw 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,i(new e.Circle(r))},e.Circle.fromObject=function(t,i){e.Object._fromObject("Circle",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});if(e.Triangle)return e.warn("fabric.Triangle is already defined");e.Triangle=e.util.createClass(e.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)},_toSVG:function(){var t=this.width/2,e=this.height/2;return["']}}),e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI;if(e.Ellipse)return e.warn("fabric.Ellipse is already defined.");e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:e.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,i,!1),t.restore(),this._renderPaintInOrder(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){var n=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);n.left=(n.left||0)-n.rx,n.top=(n.top||0)-n.ry,i(new e.Ellipse(n))},e.Ellipse.fromObject=function(t,i){e.Object._fromObject("Ellipse",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return e.warn("fabric.Rect is already defined");e.Rect=e.util.createClass(e.Object,{stateProperties:e.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:e.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,n=this.width,r=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+n-e,o),a&&t.bezierCurveTo(s+n-.4477152502*e,o,s+n,o+.4477152502*i,s+n,o+i),t.lineTo(s+n,o+r-i),a&&t.bezierCurveTo(s+n,o+r-.4477152502*i,s+n-.4477152502*e,o+r,s+n-e,o+r),t.lineTo(s+e,o+r),a&&t.bezierCurveTo(s+.4477152502*e,o+r,s,o+r-.4477152502*i,s,o+r-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+.4477152502*i,s+.4477152502*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,n,r){if(!t)return n(null);r=r||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0,s.height=s.height||0,s.width=s.width||0;var o=new e.Rect(i(r?e.util.object.clone(r):{},s));o.visible=o.visible&&o.width>0&&o.height>0,n(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.array.min,r=e.util.array.max,s=e.util.toFixed,o=e.util.projectStrokeOnPoints;if(e.Polyline)return e.warn("fabric.Polyline is already defined");e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,exactBoundingBox:!1,cacheProperties:e.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._setPositionDimensions(e)},_projectStrokeOnPoints:function(){return o(this.points,this,!0)},_setPositionDimensions:function(t){var e,i=this._calcDimensions(t),n=this.exactBoundingBox?this.strokeWidth:0;this.width=i.width-n,this.height=i.height-n,t.fromSVG||(e=this.translateToGivenOrigin({x:i.left-this.strokeWidth/2+n/2,y:i.top-this.strokeWidth/2+n/2},"left","top",this.originX,this.originY)),void 0===t.left&&(this.left=t.fromSVG?i.left:e.x),void 0===t.top&&(this.top=t.fromSVG?i.top:e.y),this.pathOffset={x:i.left+this.width/2+n/2,y:i.top+this.height/2+n/2}},_calcDimensions:function(){var t=this.exactBoundingBox?this._projectStrokeOnPoints():this.points,e=n(t,"x")||0,i=n(t,"y")||0;return{left:e,top:i,width:(r(t,"x")||0)-e,height:(r(t,"y")||0)-i}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},_toSVG:function(){for(var t=[],i=this.pathOffset.x,n=this.pathOffset.y,r=e.Object.NUM_FRACTION_DIGITS,o=0,a=this.points.length;o\n']},commonRender:function(t){var e,i=this.points.length,n=this.pathOffset.x,r=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-n,this.points[0].y-r);for(var s=0;s"},toObject:function(t){return r(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=e.Object.NUM_FRACTION_DIGITS;return" translate("+o(-this.pathOffset.x,t)+", "+o(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return" "+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,r,s=[],o=[],a=0,l=0,c=0,h=0,u=0,f=this.path.length;u"},addWithUpdate:function(t){var i=!!this.group;return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(i&&e.util.removeTransformFromObject(t,this.group.calcTransformMatrix()),this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.dirty=!0,i?this.group.addWithUpdate():this.setCoords(),this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,i){var n=this._objects.length;if(this.useSetOnGroup)for(;n--;)this._objects[n].setOnGroup(t,i);if("canvas"===t)for(;n--;)this._objects[n]._set(t,i);e.Object.prototype._set.call(this,t,i)},toObject:function(t){var i=this.includeDefaultValues,n=this._objects.filter(function(t){return!t.excludeFromExport}).map(function(e){var n=e.includeDefaultValues;e.includeDefaultValues=i;var r=e.toObject(t);return e.includeDefaultValues=n,r}),r=e.Object.prototype.toObject.call(this,t);return r.objects=n,r},toDatalessObject:function(t){var i,n=this.sourcePath;if(n)i=n;else{var r=this.includeDefaultValues;i=this._objects.map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=r;var n=e.toDatalessObject(t);return e.includeDefaultValues=i,n})}var s=e.Object.prototype.toDatalessObject.call(this,t);return s.objects=i,s},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=e.Object.prototype.shouldCache.call(this);if(t){for(var i=0,n=this._objects.length;i\n"],i=0,n=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,n=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,void 0===(i=i||{}).hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var n=0,r=this._objects.length;n\n',' \n',"\n"),a=' clip-path="url(#imageCrop_'+c+')" '}if(this.imageSmoothing||(l='" image-rendering="optimizeSpeed'),i.push(" \n"),this.stroke||this.strokeDashArray){var h=this.fill;this.fill=null,t=[" \n'],this.fill=h}return"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,e,i){return r.util.loadImage(t,function(t,n){this.setElement(t,i),this._setWidthHeight(),e&&e(this,n)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),n=i.scaleX,s=i.scaleY,o=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||n>e&&s>e){this._element=o,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=n,this._lastScaleY=s;return}r.filterBackend||(r.filterBackend=r.initFilterBackend());var a=r.util.createCanvasElement(),l=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,c=o.width,h=o.height;a.width=c,a.height=h,this._element=a,this._lastScaleX=t.scaleX=n,this._lastScaleY=t.scaleY=s,r.filterBackend.applyFilters([t],o,c,h,this._element,l),this._filterScalingX=a.width/this._originalElement.width,this._filterScalingY=a.height/this._originalElement.height},applyFilters:function(t){if(t=(t=t||this.filters||[]).filter(function(t){return t&&!t.isNeutralState()}),this.set("dirty",!0),this.removeTexture(this.cacheKey+"_filtered"),0===t.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,n=e.naturalHeight||e.height;if(this._element===this._originalElement){var s=r.util.createCanvasElement();s.width=i,s.height=n,this._element=s,this._filteredEl=s}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,n),this._lastScaleX=1,this._lastScaleY=1;return r.filterBackend||(r.filterBackend=r.initFilterBackend()),r.filterBackend.applyFilters(t,this._originalElement,i,n,this._element,this.cacheKey),(this._originalElement.width!==this._element.width||this._originalElement.height!==this._element.height)&&(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){r.util.setImageSmoothing(t,this.imageSmoothing),!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)},drawCacheOnCanvas:function(t){r.util.setImageSmoothing(t,this.imageSmoothing),r.Object.prototype.drawCacheOnCanvas.call(this,t)},shouldCache:function(){return this.needsItsOwnCache()},_renderFill:function(t){var e=this._element;if(e){var i=this._filterScalingX,n=this._filterScalingY,r=this.width,s=this.height,o=Math.min,a=Math.max,l=a(this.cropX,0),c=a(this.cropY,0),h=e.naturalWidth||e.width,u=e.naturalHeight||e.height,f=l*i,d=c*n,g=o(r*i,h-f),p=o(s*n,u-d),m=-r/2,y=-s/2,b=o(r,h/i-l),x=o(s,u/n-c);e&&t.drawImage(e,f,d,g,p,m,y,b,x)}},_needsResize:function(){var t=this.getTotalObjectScaling();return t.scaleX!==this._lastScaleX||t.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(t,e){this.setElement(r.util.getById(t),e),r.util.addClass(this.getElement(),r.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t)},_initFilters:function(t,e){t&&t.length?r.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){t||(t={});var e=this.getElement();this.width=t.width||e.naturalWidth||e.width||0,this.height=t.height||e.naturalHeight||e.height||0},parsePreserveAspectRatioAttribute:function(){var t,e=r.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,n=this._element.height,s=1,o=1,a=0,l=0,c=0,h=0,u=this.width,f=this.height,d={width:u,height:f};return e&&("none"!==e.alignX||"none"!==e.alignY)?("meet"===e.meetOrSlice&&(t=(u-i*(s=o=r.util.findScaleToFit(this._element,d)))/2,"Min"===e.alignX&&(a=-t),"Max"===e.alignX&&(a=t),t=(f-n*o)/2,"Min"===e.alignY&&(l=-t),"Max"===e.alignY&&(l=t)),"slice"===e.meetOrSlice&&(t=i-u/(s=o=r.util.findScaleToCover(this._element,d)),"Mid"===e.alignX&&(c=t/2),"Max"===e.alignX&&(c=t),t=n-f/o,"Mid"===e.alignY&&(h=t/2),"Max"===e.alignY&&(h=t),i=u/s,n=f/o)):(s=u/i,o=f/n),{width:i,height:n,scaleX:s,scaleY:o,offsetLeft:a,offsetTop:l,cropX:c,cropY:h}}}),r.Image.CSS_CANVAS="canvas-img",r.Image.prototype.getSvgSrc=r.Image.prototype.getSrc,r.Image.fromObject=function(t,e){var i=r.util.object.clone(t);r.util.loadImage(i.src,function(t,n){if(n){e&&e(null,!0);return}r.Image.prototype._initFilters.call(i,i.filters,function(n){i.filters=n||[],r.Image.prototype._initFilters.call(i,[i.resizeFilter],function(n){i.resizeFilter=n[0],r.util.enlivenObjectEnlivables(i,i,function(){e(new r.Image(t,i),!1)})})})},null,i.crossOrigin)},r.Image.fromURL=function(t,e,i){r.util.loadImage(t,function(t,n){e&&e(new r.Image(t,i),n)},null,i&&i.crossOrigin)},r.Image.ATTRIBUTE_NAMES=r.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin image-rendering".split(" ")),r.Image.fromElement=function(t,i,n){var s=r.parseAttributes(t,r.Image.ATTRIBUTE_NAMES);r.Image.fromURL(s["xlink:href"],i,e(n?r.util.object.clone(n):{},s))}}(i),r.util.object.extend(r.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten())},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,n=t.onChange||e,s=this;return r.util.animate({target:this,startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){s.rotate(t),n()},onComplete:function(){s.setCoords(),i()}})}}),r.util.object.extend(r.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound})}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}r.isWebglSupported=function(t){if(r.isLikelyNode)return!1;t=t||r.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),n=!1;if(i){r.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),n=r.maxTextureSize>=t;for(var s=["highp","mediump","lowp"],o=0;o<3;o++)if(function(t,e){var i=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(i,"precision "+e+" float;\nvoid main(){}"),t.compileShader(i),!!t.getShaderParameter(i,t.COMPILE_STATUS)}(i,s[o])){r.webGlPrecision=s[o];break}}return this.isSupported=n,n},r.WebglFilterBackend=t,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,n,s,l=void 0!==window.performance;try{new ImageData(1,1),s=!0}catch(t){s=!1}var c="undefined"!=typeof ArrayBuffer,h="undefined"!=typeof Uint8ClampedArray;if(l&&s&&c&&h){var u=r.util.createCanvasElement(),f=new ArrayBuffer(t*e*4);if(r.forceGLPutImageData){this.imageBuffer=f,this.copyGLTo2D=a;return}var d={imageBuffer:f,destinationWidth:t,destinationHeight:e,targetCanvas:u};u.width=t,u.height=e,i=window.performance.now(),o.call(d,this.gl,d),n=window.performance.now()-i,i=window.performance.now(),a.call(d,this.gl,d),n>window.performance.now()-i?(this.imageBuffer=f,this.copyGLTo2D=a):this.copyGLTo2D=o}},createWebGLCanvas:function(t,e){var i=r.util.createCanvasElement();i.width=t,i.height=e;var n={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},s=i.getContext("webgl",n);s||(s=i.getContext("experimental-webgl",n)),s&&(s.clearColor(0,0,0,0),this.canvas=i,this.gl=s)},applyFilters:function(t,e,i,n,r,s){var o,a,l,c,h,u,f,d=this.gl;s&&(f=this.getCachedTexture(s,e));var g={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:n,destinationWidth:i,destinationHeight:n,context:d,sourceTexture:this.createTexture(d,i,n,!f&&e),targetTexture:this.createTexture(d,i,n),originalTexture:f||this.createTexture(d,i,n,!f&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:r},p=d.createFramebuffer();return d.bindFramebuffer(d.FRAMEBUFFER,p),t.forEach(function(t){t&&t.applyTo(g)}),l=(a=(o=g).targetCanvas).width,c=a.height,h=o.destinationWidth,u=o.destinationHeight,(l!==h||c!==u)&&(a.width=h,a.height=u),this.copyGLTo2D(d,g),d.bindTexture(d.TEXTURE_2D,null),d.deleteTexture(g.sourceTexture),d.deleteTexture(g.targetTexture),d.deleteFramebuffer(p),r.getContext("2d").setTransform(1,0,0,1,0,0),g},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,n,r){var s=t.createTexture();return t.bindTexture(t.TEXTURE_2D,s),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,r||t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,r||t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),n?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,n):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),s},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:o,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e={renderer:"",vendor:""};if(!t)return e;var i=t.getExtension("WEBGL_debug_renderer_info");if(i){var n=t.getParameter(i.UNMASKED_RENDERER_WEBGL),r=t.getParameter(i.UNMASKED_VENDOR_WEBGL);n&&(e.renderer=n.toLowerCase()),r&&(e.vendor=r.toLowerCase())}return this.gpuInfo=e,e}}}(),!function(){"use strict";var t=function(){};function e(){}r.Canvas2dFilterBackend=e,e.prototype={evictCachesForKey:t,dispose:t,clearWebGLCaches:t,resources:{},applyFilters:function(t,e,i,n,r){var s=r.getContext("2d");s.drawImage(e,0,0,i,n);var o=s.getImageData(0,0,i,n),a=s.getImageData(0,0,i,n),l={sourceWidth:i,sourceHeight:n,imageData:o,originalEl:e,originalImageData:a,canvasEl:r,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(l)}),(l.imageData.width!==i||l.imageData.height!==n)&&(r.width=l.imageData.width,r.height=l.imageData.height),s.putImageData(l.imageData,0,0),l}}}(),r.Image=r.Image||{},r.Image.filters=r.Image.filters||{},r.Image.filters.BaseFilter=r.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aPosition;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){e=e||this.fragmentSource,i=i||this.vertexSource,"highp"!==r.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+r.webGlPrecision+" float"));var n=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(n,i),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(n));var s=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(s,e),t.compileShader(s),!t.getShaderParameter(s,t.COMPILE_STATUS))throw Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(s));var o=t.createProgram();if(t.attachShader(o,n),t.attachShader(o,s),t.linkProgram(o),!t.getProgramParameter(o,t.LINK_STATUS))throw Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(o));var a=this.getAttributeLocations(t,o),l=this.getUniformLocations(t,o)||{};return l.uStepW=t.getUniformLocation(o,"uStepW"),l.uStepH=t.getUniformLocation(o,"uStepH"),{program:o,attributeLocations:a,uniformLocations:l}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,i){var n=e.aPosition,r=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,r),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,i,n=t.context;t.passes>1?(e=t.destinationWidth,i=t.destinationHeight,(t.sourceWidth!==e||t.sourceHeight!==i)&&(n.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(n,e,i)),n.framebufferTexture2D(n.FRAMEBUFFER,n.COLOR_ATTACHMENT0,n.TEXTURE_2D,t.targetTexture,0)):(n.bindFramebuffer(n.FRAMEBUFFER,null),n.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){var t=this.mainParameter,e=r.Image.filters[this.type].prototype;if(!t)return!1;if(!Array.isArray(e[t]))return e[t]===this[t];for(var i=e[t].length;i--;)if(this[t][i]!==e[t][i])return!1;return!0},applyTo:function(t){t.webgl?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.aPosition),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),r.Image.filters.BaseFilter.fromObject=function(t,e){var i=new r.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.ColorMatrix=(0,e.util.createClass)(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,n,r,s,o=t.imageData.data,a=o.length,l=this.matrix,c=this.colorsOnly;for(s=0;s=_||o<0||o>=x||(l=(a*x+o)*4,c=m[d*y+f],e+=p[l]*c,i+=p[l+1]*c,n+=p[l+2]*c,w||(r+=p[l+3]*c));S[s]=e,S[s+1]=i,S[s+2]=n,w?S[s+3]=p[s+3]:S[s+3]=r}t.imageData=C},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Grayscale=(0,e.util.createClass)(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,n=t.imageData.data,r=n.length,s=this.mode;for(e=0;ec[0]&&r>c[1]&&s>c[2]&&n 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 i,n,r,s,o,a,l,c=t.imageData.data,h=c.length,u=1-this.alpha;i=(l=new e.Color(this.color).getSource())[0]*this.alpha,n=l[1]*this.alpha,r=l[2]*this.alpha;for(var f=0;f=t||e<=-t)return 0;if(e<11920929e-14&&e>-11920929e-14)return 1;var i=(e*=Math.PI)/t;return a(e)/e*a(i)/i}},applyTo2d:function(t){var e=t.imageData,i=this.scaleX,n=this.scaleY;this.rcpScaleX=1/i,this.rcpScaleY=1/n;var r,s=e.width,a=e.height,l=o(s*i),c=o(a*n);"sliceHack"===this.resizeType?r=this.sliceByTwo(t,s,a,l,c):"hermite"===this.resizeType?r=this.hermiteFastResize(t,s,a,l,c):"bilinear"===this.resizeType?r=this.bilinearFiltering(t,s,a,l,c):"lanczos"===this.resizeType&&(r=this.lanczosResize(t,s,a,l,c)),t.imageData=r},sliceByTwo:function(t,i,r,s,o){var a,l,c=t.imageData,h=!1,u=!1,f=.5*i,d=.5*r,g=e.filterBackend.resources,p=0,m=0,y=i,b=0;for(g.sliceByTwo||(g.sliceByTwo=document.createElement("canvas")),((a=g.sliceByTwo).width<1.5*i||a.height=e)){_[D=n(1e3*s(T-C.x))]||(_[D]={});for(var R=S.y-x;R<=S.y+x;R++)R<0||R>=o||(F=n(1e3*s(R-C.y)),_[D][F]||(_[D][F]=d(r(i(D*m,2)+i(F*y,2))/1e3)),(O=_[D][F])>0&&(k=(R*e+T)*4,E+=O,j+=O*h[k],M+=O*h[k+1],P+=O*h[k+2],A+=O*h[k+3]))}f[k=(w*a+l)*4]=j/E,f[k+1]=M/E,f[k+2]=P/E,f[k+3]=A/E}return++l1&&F<-1||(x=2*F*F*F-3*F*F+1)>0&&(O+=x*d[(D=4*(A+E*e))+3],C+=x,d[D+3]<255&&(x=x*d[D+3]/250),S+=x*d[D],w+=x*d[D+1],T+=x*d[D+2],_+=x)}p[b]=S/_,p[b+1]=w/_,p[b+2]=T/_,p[b+3]=O/C}return g},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Contrast=(0,e.util.createClass)(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,n=t.imageData.data,i=n.length,r=Math.floor(255*this.contrast),s=259*(r+255)/(255*(259-r));for(e=0;e1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Gamma=(0,e.util.createClass)(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",initialize:function(t){this.gamma=[1,1,1],i.BaseFilter.prototype.initialize.call(this,t)},applyTo2d:function(t){var e,i=t.imageData.data,n=this.gamma,r=i.length,s=1/n[0],o=1/n[1],a=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,r=256;e'},_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){var e=this.path;e&&!e.isNotVisible()&&e._render(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){if(t.textBaseline="alphabetic",this.path)switch(this.pathAlign){case"center":t.textBaseline="middle";break;case"ascender":t.textBaseline="top";break;case"descender":t.textBaseline="bottom"}t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;et&&(t=n)}return t},_renderTextLine:function(t,e,i,n,r,s){this._renderChars(t,e,i,n,r,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,n,r,s,o,a,l=t.fillStyle,c=this._getLeftOffset(),h=this._getTopOffset(),u=0,f=0,d=this.path,g=0,p=this._textLines.length;g=0:ia?u%=a:u<0&&(u+=a),this._setGraphemeOnPath(u,s,o),u+=s.kernedWidth}return{width:l,numOfSpaces:0}},_setGraphemeOnPath:function(t,i,n){var r=t+i.kernedWidth/2,s=this.path,o=e.util.getPointOnPath(s.path,r,s.segmentsInfo);i.renderLeft=o.x-n.x,i.renderTop=o.y-n.y,i.angle=o.angle+("right"===this.pathSide?Math.PI:0)},_getGraphemeBox:function(t,e,i,n,r){var s,o=this.getCompleteStyleDeclaration(e,i),a=n?this.getCompleteStyleDeclaration(e,i-1):{},l=this._measureChar(t,o,n,a),c=l.kernedWidth,h=l.width;0!==this.charSpacing&&(h+=s=this._getWidthOfCharSpacing(),c+=s);var u={width:h,left:0,height:o.fontSize,kernedWidth:c,deltaY:o.deltaY};if(i>0&&!r){var f=this.__charBounds[e][i-1];u.left=f.left+f.width+l.kernedWidth-l.width}return u},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),n=1,r=e.length;n0){var E=b+s+u;"rtl"===this.direction&&(E=this.width-E-f),c&&y&&(t.fillStyle=y,t.fillRect(E,h+S*n+o,f,this.fontSize/15)),u=d.left,f=d.width,c=g,y=m,n=r,o=a}else f+=d.kernedWidth;var E=b+s+u;"rtl"===this.direction&&(E=this.width-E-f),t.fillStyle=m,g&&m&&t.fillRect(E,h+S*n+o,f-C,this.fontSize/15),x+=i}t.restore()}},_getFontDeclaration:function(t,i){var n=t||this,r=this.fontFamily,s=e.Text.genericFonts.indexOf(r.toLowerCase())>-1,o=void 0===r||r.indexOf("'")>-1||r.indexOf(",")>-1||r.indexOf('"')>-1||s?n.fontFamily:'"'+n.fontFamily+'"';return[e.isLikelyNode?n.fontWeight:n.fontStyle,e.isLikelyNode?n.fontStyle:n.fontWeight,i?this.CACHE_FONT_SIZE+"px":n.fontSize+"px",o].join(" ")},render:function(t){this.visible&&(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),n=Array(i.length),r=["\n"],s=[],o=0;o-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}r.IText=r.util.createClass(r.Text,r.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"",cursorDelay:1e3,cursorDuration:600,caching:!0,hiddenTextareaContainer:null,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t)},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop,i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var t=this._getCursorBoundaries(),e=this.canvas.contextTop;this.clearContextTop(!0),this.selectionStart===this.selectionEnd?this.renderCursor(t,e):this.renderSelection(t,e),e.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){void 0===t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),n=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:n.left,topOffset:n.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,i,n,r,s=0,o=0,a=this.get2DCursorLocation(t);n=a.charIndex,i=a.lineIndex;for(var l=0;l0?o:0)},"rtl"===this.direction&&(r.left*=-1),this.cursorOffsetCache=r,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),n=i.lineIndex,r=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(n,r,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,l=t.topOffset,c=this.getValueOfPropertyAt(n,r,"deltaY");l+=(1-this._fontSizeFraction)*this.getHeightOfLine(n)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.cursorColor||this.getValueOfPropertyAt(n,r,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,l+t.top+c,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,n=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,r=-1!==this.textAlign.indexOf("justify"),s=this.get2DCursorLocation(i),o=this.get2DCursorLocation(n),a=s.lineIndex,l=o.lineIndex,c=s.charIndex<0?0:s.charIndex,h=o.charIndex<0?0:o.charIndex,u=a;u<=l;u++){var f=this._getLineLeftOffset(u)||0,d=this.getHeightOfLine(u),g=0,p=0,m=0;if(u===a&&(p=this.__charBounds[a][c].left),u>=a&&u1)&&(d/=this.lineHeight);var b=t.left+f+p,x=m-p,_=d,C=0;this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",_=1,C=d):e.fillStyle=this.selectionColor,"rtl"===this.direction&&(b=this.width-b-x),e.fillRect(b,t.top+t.topOffset+C,x,_),t.topOffset+=g}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),r.IText.fromObject=function(e,i){var n=r.util.stylesFromArray(e.styles,e.text),s=Object.assign({},e,{styles:n});if(delete s.path,t(s),s.styles)for(var o in s.styles)for(var a in s.styles[o])t(s.styles[o][a]);r.Object._fromObject("IText",s,function(t){e.path?r.Object._fromObject("Path",e.path,function(e){t.set("path",e),i(t)},"path"):i(t)},"text")}}(),function(){var t=r.util.object.clone;r.util.object.extend(r.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],r.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})},t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,n){var r;return r={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){r.isAborted||t[n]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return r.isAborted}}),r},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState,e=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&e&&e.clearContext(e.contextTop||e.contextContainer)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i0&&nthis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),(this.selectionStart!==i||this.selectionEnd!==n)&&(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 n=i.slice(0,t),s=r.util.string.graphemeSplit(n).length;if(t===e)return{selectionStart:s,selectionEnd:s};var o=i.slice(t,e);return{selectionStart:s,selectionEnd:s+r.util.string.graphemeSplit(o).length}},fromGraphemeToStringSelection:function(t,e,i){var n=i.slice(0,t).join("").length;return t===e?{selectionStart:n,selectionEnd:n}:{selectionStart:n,selectionEnd:n+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),n=i.lineIndex,s=i.charIndex,o=this.getValueOfPropertyAt(n,s,"fontSize")*this.lineHeight,a=e.leftOffset,l=this.calcTransformMatrix(),c={x:e.left+a,y:e.top+e.topOffset+o},h=this.canvas.getRetinaScaling(),u=this.canvas.upperCanvasEl,f=u.width/h,d=u.height/h,g=f-o,p=d-o,m=u.clientWidth/f,y=u.clientHeight/d;return c=r.util.transformPoint(c,l),c=r.util.transformPoint(c,this.canvas.viewportTransform),c.x*=m,c.y*=y,c.x<0&&(c.x=0),c.x>g&&(c.x=g),c.y<0&&(c.y=0),c.y>p&&(c.y=p),c.x+=this.canvas._offset.left,c.y+=this.canvas._offset.top,{left:c.x+"px",top:c.y+"px",fontSize:o+"px",charHeight:o}},_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,n,r=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=r.lineIndex,a=r.charIndex,l=s.lineIndex,c=s.charIndex;if(o!==l){if(this.styles[o])for(i=a;i=c&&(n[h-f]=n[u],delete n[u])}},shiftLineStyles:function(e,i){var n=t(this.styles);for(var r in this.styles){var s=parseInt(r,10);s>e&&(this.styles[s+i]=n[s],n[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){(!this._currentTickState||this._currentTickState.isAborted||!this._currentTickCompleteState||this._currentTickCompleteState.isAborted)&&this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,n,r){var s,o={},a=!1,l=this._unwrappedTextLines[e].length,c=l===i;for(var h in n||(n=1),this.shiftLineStyles(e,n),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]),this.styles[e]){var u=parseInt(h,10);u>=i&&(a=!0,o[u-i]=this.styles[e][h],c&&0===i||delete this.styles[e][h])}var f=!1;for(a&&!c&&(this.styles[e+n]=o,f=!0),(f||l>i)&&n--;n>0;)r&&r[n-1]?this.styles[e+n]={0:t(r[n-1])}:s?this.styles[e+n]={0:t(s)}:delete this.styles[e+n],n--;this._forceClearCache=!0},insertCharStyleObject:function(e,i,n,r){this.styles||(this.styles={});var s=this.styles[e],o=s?t(s):{};for(var a in n||(n=1),o){var l=parseInt(a,10);l>=i&&(s[l+n]=o[l],o[l-n]||delete s[l])}if(this._forceClearCache=!0,r){for(;n--;)Object.keys(r[n]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+n]=t(r[n]));return}if(s)for(var c=s[i?i-1:1];c&&n--;)this.styles[e][i+n]=t(c)},insertNewStyleBlock:function(t,e,i){for(var n=this.get2DCursorLocation(e,!0),r=[0],s=0,o=0;o0&&(this.insertCharStyleObject(n.lineIndex,n.charIndex,r[0],i),i=i&&i.slice(r[0]+1)),s&&this.insertNewlineStyleObject(n.lineIndex,n.charIndex+r[0],s);for(var o=1;o0?this.insertCharStyleObject(n.lineIndex+o,0,r[o],i):i&&this.styles[n.lineIndex+o]&&i[0]&&(this.styles[n.lineIndex+o][0]=i[0]),i=i&&i.slice(r[o]+1);r[o]>0&&this.insertCharStyleObject(n.lineIndex+o,0,r[o],i)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),r.util.object.extend(r.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,n=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,n,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i=this.getLocalPointer(t),n=0,r=0,s=0,o=0,a=0,l=0,c=this._textLines.length;l0&&(o+=this._textLines[l-1].length+this.missingNewlineOffset(l-1));else break;r=this._getLineLeftOffset(a)*this.scaleX,e=this._textLines[a],"rtl"===this.direction&&(i.x=this.width*this.scaleX-i.x+r);for(var h=0,u=e.length;hs||o<0?0:1);return this.flipX&&(a=r-a),a>this._text.length&&(a=this._text.length),a}}),r.util.object.extend(r.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=r.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-top: "+t.fontSize+";",this.hiddenTextareaContainer?this.hiddenTextareaContainer.appendChild(this.hiddenTextarea):r.document.body.appendChild(this.hiddenTextarea),r.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),r.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),r.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),r.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),r.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),r.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(r.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"},keysMapRtl:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorLeft",36:"moveCursorRight",37:"moveCursorRight",38:"moveCursorUp",39:"moveCursorLeft",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){var e="rtl"===this.direction?this.keysMapRtl:this.keysMap;if(t.keyCode in e)this[e[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown)||!t.ctrlKey&&!t.metaKey)return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){if(!this.isEditing||this._copyDone||this.inCompositionMode){this._copyDone=!1;return}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,n,s,o,a,l=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,c=this._text.length,h=l.length,u=h-c,f=this.selectionStart,d=this.selectionEnd,g=f!==d;if(""===this.hiddenTextarea.value){this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll());return}var p=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),m=f>p.selectionStart;g?(i=this._text.slice(f,d),u+=d-f):h0&&(n+=(i=this.__charBounds[t][e-1]).left+i.width),n},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(r===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r+1,o);return this._textLines[r].slice(s).length+a+1+this.missingNewlineOffset(r)},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(0===r||t.metaKey||33===t.keyCode)return-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r-1,o),l=this._textLines[r].slice(0,s),c=this.missingNewlineOffset(r-1);return-this._textLines[r-1].length+a-l.length+(1-c)},_getIndexOnLine:function(t,e){for(var i,n,r=this._textLines[t],s=this._getLineLeftOffset(t),o=0,a=0,l=r.length;ae){n=!0;var c=Math.abs(s-i-e);o=Math.abs(s-e)=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 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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)}}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});if(e.Intersection)return e.warn("fabric.Intersection is already defined");function i(t){this.status=t,this.points=[]}e.Intersection=i,e.Intersection.prototype={constructor:i,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},e.Intersection.intersectLineLine=function(t,n,r,s){var o,a=(s.x-r.x)*(t.y-r.y)-(s.y-r.y)*(t.x-r.x),l=(n.x-t.x)*(t.y-r.y)-(n.y-t.y)*(t.x-r.x),c=(s.y-r.y)*(n.x-t.x)-(s.x-r.x)*(n.y-t.y);if(0!==c){var h=a/c,u=l/c;0<=h&&h<=1&&0<=u&&u<=1?(o=new i("Intersection")).appendPoint(new e.Point(t.x+h*(n.x-t.x),t.y+h*(n.y-t.y))):o=new i}else o=new i(0===a||0===l?"Coincident":"Parallel");return o},e.Intersection.intersectLinePolygon=function(t,e,n){var r,s,o,a,l=new i,c=n.length;for(a=0;a0&&(l.status="Intersection"),l},e.Intersection.intersectPolygonPolygon=function(t,e){var n,r=new i,s=t.length;for(n=0;n0&&(r.status="Intersection"),r},e.Intersection.intersectPolygonRectangle=function(t,n,r){var s=n.min(r),o=n.max(r),a=new e.Point(o.x,s.y),l=new e.Point(s.x,o.y),c=i.intersectLinePolygon(s,a,t),h=i.intersectLinePolygon(a,o,t),u=i.intersectLinePolygon(o,l,t),f=i.intersectLinePolygon(l,s,t),d=new i;return d.appendPoints(c.points),d.appendPoints(h.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});if(e.Color)return e.warn("fabric.Color is already defined.");function i(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function n(t,e,i){return(i<0&&(i+=1),i>1&&(i-=1),i<1/6)?t+(e-t)*6*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}e.Color=i,e.Color.prototype={_tryParsingColor:function(t){var e;t in i.colorNameMap&&(t=i.colorNameMap[t]),"transparent"===t&&(e=[255,255,255,0]),e||(e=i.sourceFromHex(t)),e||(e=i.sourceFromRgb(t)),e||(e=i.sourceFromHsl(t)),e||(e=[0,0,0,1]),e&&this.setSource(e)},_rgbToHsl:function(t,i,n){t/=255,i/=255,n/=255;var r,s,o,a=e.util.array.max([t,i,n]),l=e.util.array.min([t,i,n]);if(o=(a+l)/2,a===l)r=s=0;else{var c=a-l;switch(s=o>.5?c/(2-a-l):c/(a+l),a){case t:r=(i-n)/c+6*(i0)-(t<0)||+t};function f(t,e){return Math.round((t.angle+h(Math.atan2(e.y,e.x))+360)%360/45)}function d(t,i){var n=i.transform.target,r=n.canvas,s=e.util.object.clone(i);s.target=n,r&&r.fire("object:"+t,s),n.fire(t,i)}function g(t,e){var i=e.canvas,n=t[i.uniScaleKey];return i.uniformScaling&&!n||!i.uniformScaling&&n}function p(t){return t.originX===l&&t.originY===l}function m(t,e,i){var n=t.lockScalingX,r=t.lockScalingY;return!!n&&!!r||!e&&(!!n||!!r)&&!!i||!!n&&"x"===e||!!r&&"y"===e||!1}function y(t,e,i,n){return{e:t,transform:e,pointer:{x:i,y:n}}}function b(t){return function(e,i,n,r){var s=i.target,o=s.getCenterPoint(),a=s.translateToOriginPoint(o,i.originX,i.originY),l=t(e,i,n,r);return s.setPositionByOrigin(a,i.originX,i.originY),l}}function x(t,e){return function(i,n,r,s){var o=e(i,n,r,s);return o&&d(t,y(i,n,r,s)),o}}function _(t,i,n,r,s){var o=t.target,a=o.controls[t.corner],l=o.canvas.getZoom(),c=o.padding/l,h=o.toLocalPoint(new e.Point(r,s),i,n);return h.x>=c&&(h.x-=c),h.x<=-c&&(h.x+=c),h.y>=c&&(h.y-=c),h.y<=c&&(h.y+=c),h.x-=a.offsetX,h.y-=a.offsetY,h}function C(t){return t.flipX!==t.flipY}function S(t,e,i,n,r){if(0!==t[e]){var s=r/t._getTransformedDimensions()[n]*t[i];t.set(i,s)}}function w(t,e,i,n){var r,l=e.target,c=l._getTransformedDimensions(0,l.skewY),u=Math.abs(2*_(e,e.originX,e.originY,i,n).x)-c.x,f=l.skewX;u<2?r=0:(r=h(Math.atan2(u/l.scaleX,c.y/l.scaleY)),e.originX===s&&e.originY===a&&(r=-r),e.originX===o&&"top"===e.originY&&(r=-r),C(l)&&(r=-r));var d=f!==r;if(d){var g=l._getTransformedDimensions().y;l.set("skewX",r),S(l,"skewY","scaleY","y",g)}return d}function T(t,e,i,n){var r,l=e.target,c=l._getTransformedDimensions(l.skewX,0),u=Math.abs(2*_(e,e.originX,e.originY,i,n).y)-c.y,f=l.skewY;u<2?r=0:(r=h(Math.atan2(u/l.scaleY,c.x/l.scaleX)),e.originX===s&&e.originY===a&&(r=-r),e.originX===o&&"top"===e.originY&&(r=-r),C(l)&&(r=-r));var d=f!==r;if(d){var g=l._getTransformedDimensions().x;l.set("skewY",r),S(l,"skewX","scaleX","x",g)}return d}function O(t,e,i,n,r){r=r||{};var s,o,a,l,h,f,d=e.target,y=d.lockScalingX,b=d.lockScalingY,x=r.by,C=g(t,d),S=m(d,x,C),w=e.gestureScale;if(S)return!1;if(w)o=e.scaleX*w,a=e.scaleY*w;else{if(s=_(e,e.originX,e.originY,i,n),h="y"!==x?u(s.x):1,f="x"!==x?u(s.y):1,e.signX||(e.signX=h),e.signY||(e.signY=f),d.lockScalingFlip&&(e.signX!==h||e.signY!==f))return!1;if(l=d._getTransformedDimensions(),C&&!x){var T=Math.abs(s.x)+Math.abs(s.y),O=e.original,k=T/(Math.abs(l.x*O.scaleX/d.scaleX)+Math.abs(l.y*O.scaleY/d.scaleY));o=O.scaleX*k,a=O.scaleY*k}else o=Math.abs(s.x*d.scaleX/l.x),a=Math.abs(s.y*d.scaleY/l.y);p(e)&&(o*=2,a*=2),e.signX!==h&&"y"!==x&&(e.originX=c[e.originX],o*=-1,e.signX=h),e.signY!==f&&"x"!==x&&(e.originY=c[e.originY],a*=-1,e.signY=f)}var E=d.scaleX,j=d.scaleY;return x?("x"===x&&d.set("scaleX",o),"y"===x&&d.set("scaleY",a)):(y||d.set("scaleX",o),b||d.set("scaleY",a)),E!==d.scaleX||j!==d.scaleY}r.scaleCursorStyleHandler=function(t,e,n){var r=g(t,n),s="";return(0!==e.x&&0===e.y?s="x":0===e.x&&0!==e.y&&(s="y"),m(n,s,r))?"not-allowed":i[f(n,e)]+"-resize"},r.skewCursorStyleHandler=function(t,e,i){return 0!==e.x&&i.lockSkewingY||0!==e.y&&i.lockSkewingX?"not-allowed":n[f(i,e)%4]+"-resize"},r.scaleSkewCursorStyleHandler=function(t,e,i){return t[i.canvas.altActionKey]?r.skewCursorStyleHandler(t,e,i):r.scaleCursorStyleHandler(t,e,i)},r.rotationWithSnapping=x("rotating",b(function(t,e,i,n){var r=e.target,s=r.translateToOriginPoint(r.getCenterPoint(),e.originX,e.originY);if(r.lockRotation)return!1;var o=Math.atan2(e.ey-s.y,e.ex-s.x),a=h(Math.atan2(n-s.y,i-s.x)-o+e.theta),l=!0;if(r.snapAngle>0){var c=r.snapAngle,u=r.snapThreshold||c,f=Math.ceil(a/c)*c,d=Math.floor(a/c)*c;Math.abs(a-d)0?s:o:(c>0&&(r="top"===h?s:o),c<0&&(r="top"===h?o:s),C(a)&&(r=r===s?o:s)),e.originX=r,x("skewing",b(w))(t,e,i,n))},r.skewHandlerY=function(t,e,i,n){var r,o=e.target,c=o.skewY,h=e.originX;return!o.lockSkewingY&&(0===c?r=_(e,l,l,i,n).y>0?"top":a:(c>0&&(r=h===s?"top":a),c<0&&(r=h===s?a:"top"),C(o)&&(r="top"===r?a:"top")),e.originY=r,x("skewing",b(T))(t,e,i,n))},r.dragHandler=function(t,e,i,n){var r=e.target,s=i-e.offsetX,o=n-e.offsetY,a=!r.get("lockMovementX")&&r.left!==s,l=!r.get("lockMovementY")&&r.top!==o;return a&&r.set("left",s),l&&r.set("top",o),(a||l)&&d("moving",y(t,e,i,n)),a||l},r.scaleOrSkewActionName=function(t,e,i){var n=t[i.canvas.altActionKey];return 0===e.x?n?"skewX":"scaleY":0===e.y?n?"skewY":"scaleX":void 0},r.rotationStyleHandler=function(t,e,i){return i.lockRotation?"not-allowed":e.cursorStyle},r.fireEvent=d,r.wrapWithFixedAnchor=b,r.wrapWithFireEvent=x,r.getLocalPoint=_,e.controlsUtils=r}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians,n=e.controlsUtils;n.renderCircleControl=function(t,e,i,n,r){n=n||{};var s,o=this.sizeX||n.cornerSize||r.cornerSize,a=this.sizeY||n.cornerSize||r.cornerSize,l=void 0!==n.transparentCorners?n.transparentCorners:r.transparentCorners,c=!l&&(n.cornerStrokeColor||r.cornerStrokeColor),h=e,u=i;t.save(),t.fillStyle=n.cornerColor||r.cornerColor,t.strokeStyle=n.cornerStrokeColor||r.cornerStrokeColor,o>a?(s=o,t.scale(1,a/o),u=i*o/a):a>o?(s=a,t.scale(o/a,1),h=e*a/o):s=o,t.lineWidth=1,t.beginPath(),t.arc(h,u,s/2,0,2*Math.PI,!1),t[l?"stroke":"fill"](),c&&t.stroke(),t.restore()},n.renderSquareControl=function(t,e,n,r,s){r=r||{};var o=this.sizeX||r.cornerSize||s.cornerSize,a=this.sizeY||r.cornerSize||s.cornerSize,l=void 0!==r.transparentCorners?r.transparentCorners:s.transparentCorners,c=!l&&(r.cornerStrokeColor||s.cornerStrokeColor),h=o/2,u=a/2;t.save(),t.fillStyle=r.cornerColor||s.cornerColor,t.strokeStyle=r.cornerStrokeColor||s.cornerStrokeColor,t.lineWidth=1,t.translate(e,n),t.rotate(i(s.angle)),t[(l?"stroke":"fill")+"Rect"](-h,-u,o,a),c&&t.strokeRect(-h,-u,o,a),t.restore()}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Control=function(t){for(var e in t)this[e]=t[e]},e.Control.prototype={visible:!0,actionName:"scale",angle:0,x:0,y:0,offsetX:0,offsetY:0,sizeX:null,sizeY:null,touchSizeX:null,touchSizeY:null,cursorStyle:"crosshair",withConnection:!1,actionHandler:function(){},mouseDownHandler:function(){},mouseUpHandler:function(){},getActionHandler:function(){return this.actionHandler},getMouseDownHandler:function(){return this.mouseDownHandler},getMouseUpHandler:function(){return this.mouseUpHandler},cursorStyleHandler:function(t,e){return e.cursorStyle},getActionName:function(t,e){return e.actionName},getVisibility:function(t,e){var i=t._controlsVisibility;return i&&void 0!==i[e]?i[e]:this.visible},setVisibility:function(t){this.visible=t},positionHandler:function(t,i){return e.util.transformPoint({x:this.x*t.x+this.offsetX,y:this.y*t.y+this.offsetY},i)},calcCornerCoords:function(t,i,n,r,s){var o,a,l,c,h=s?this.touchSizeX:this.sizeX,u=s?this.touchSizeY:this.sizeY;if(h&&u&&h!==u){var f=Math.atan2(u,h),d=Math.sqrt(h*h+u*u)/2,g=f-e.util.degreesToRadians(t),p=Math.PI/2-f-e.util.degreesToRadians(t);o=d*e.util.cos(g),a=d*e.util.sin(g),l=d*e.util.cos(p),c=d*e.util.sin(p)}else{d=.7071067812*(h&&u?h:i);var g=e.util.degreesToRadians(45-t);o=l=d*e.util.cos(g),a=c=d*e.util.sin(g)}return{tl:{x:n-c,y:r-l},tr:{x:n+o,y:r-a},bl:{x:n-o,y:r+a},br:{x:n+c,y:r+l}}},render:function(t,i,n,r,s){"circle"===((r=r||{}).cornerStyle||s.cornerStyle)?e.controlsUtils.renderCircleControl.call(this,t,i,n,r,s):e.controlsUtils.renderSquareControl.call(this,t,i,n,r,s)}}}(i),function(){var t=r.util.object.clone;r.Gradient=r.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:"pixels",type:"linear",initialize:function(t){t||(t={}),t.coords||(t.coords={});var e,i=this;Object.keys(t).forEach(function(e){i[e]=t[e]}),this.id?this.id+="_"+r.Object.__uid++:this.id=r.Object.__uid++,e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice()},addColorStop:function(t){for(var e in t){var i=new r.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientUnits:this.gradientUnits,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return r.util.populateWithProperties(this,e,t),e},toSVG:function(e,i){var n,s,o,a,l=t(this.coords,!0),i=i||{},c=t(this.colorStops,!0),h=l.r1>l.r2,u=this.gradientTransform?this.gradientTransform.concat():r.iMatrix.concat(),f=-this.offsetX,d=-this.offsetY,g=!!i.additionalTransform,p="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(c.sort(function(t,e){return t.offset-e.offset}),"objectBoundingBox"===p?(f/=e.width,d/=e.height):(f+=e.width/2,d+=e.height/2),"path"===e.type&&"percentage"!==this.gradientUnits&&(f-=e.pathOffset.x,d-=e.pathOffset.y),u[4]-=f,u[5]-=d,a='id="SVGID_'+this.id+'" gradientUnits="'+p+'"'+(' gradientTransform="'+(g?i.additionalTransform+" ":"")+r.util.matrixToSVG(u))+'" ',"linear"===this.type?o=["\n']:"radial"===this.type&&(o=["\n']),"radial"===this.type){if(h)for((c=c.concat()).reverse(),n=0,s=c.length;n0){var y=m/Math.max(l.r1,l.r2);for(n=0,s=c.length;n\n')}return o.push("linear"===this.type?"\n":"\n"),o.join("")},toLive:function(t){var e,i,n,s=r.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(s.x1,s.y1,s.x2,s.y2):"radial"===this.type&&(e=t.createRadialGradient(s.x1,s.y1,s.r1,s.x2,s.y2,s.r2)),i=0,n=this.colorStops.length;i1?1:u)&&(u=1);var f,d,g,p,m=t.getElementsByTagName("stop"),y="userSpaceOnUse"===t.getAttribute("gradientUnits")?"pixels":"percentage",b=t.getAttribute("gradientTransform")||"",x=[],_=0,C=0;for("linearGradient"===t.nodeName||"LINEARGRADIENT"===t.nodeName?(f="linear",d={x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}):(f="radial",d={x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}),g=m.length;g--;)x.push(function(t,e){var i,n,s,o,a=t.getAttribute("style"),l=t.getAttribute("offset")||0;if(l=(l=parseFloat(l)/(/%$/.test(l)?100:1))<0?0:l>1?1:l,a){var c=a.split(/\s*;\s*/);for(""===c[c.length-1]&&c.pop(),o=c.length;o--;){var h=c[o].split(/\s*:\s*/),u=h[0].trim(),f=h[1].trim();"stop-color"===u?i=f:"stop-opacity"===u&&(s=f)}}return i||(i=t.getAttribute("stop-color")||"rgb(0,0,0)"),s||(s=t.getAttribute("stop-opacity")),n=(i=new r.Color(i)).getAlpha(),s=(isNaN(parseFloat(s))?1:parseFloat(s))*(n*e),{offset:l,color:i.toRgb(),opacity:s}}(m[g],u));return p=r.parseTransformAttribute(b),s=0,o=d,a=n,l=y,Object.keys(o).forEach(function(t){"Infinity"===(c=o[t])?h=1:"-Infinity"===c?h=0:(h=parseFloat(o[t],10),"string"==typeof c&&/^(\d+\.\d+)%|(\d+)%$/.test(c)&&(h*=.01,"pixels"===l&&(("x1"===t||"x2"===t||"r2"===t)&&(h*=a.viewBoxWidth||a.width),("y1"===t||"y2"===t)&&(h*=a.viewBoxHeight||a.height)))),o[t]=h}),"pixels"===y&&(_=-e.left,C=-e.top),new r.Gradient({id:t.getAttribute("id"),type:f,coords:d,colorStops:x,gradientUnits:y,gradientTransform:p,offsetX:_,offsetY:C})}})}(),function(){"use strict";var t=r.util.toFixed;r.Pattern=r.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=r.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source){e&&e(this);return}var i=this;this.source=r.util.createImage(),r.util.loadImage(t.source,function(t,n){i.source=t,e&&e(i,n)},null,this.crossOrigin)},toObject:function(e){var i,n,s=r.Object.NUM_FRACTION_DIGITS;return"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),n={type:"pattern",source:i,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:t(this.offsetX,s),offsetY:t(this.offsetY,s),patternTransform:this.patternTransform?this.patternTransform.concat():null},r.util.populateWithProperties(this,n,e),n},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,n=e.height/t.height,r=this.offsetX/t.width,s=this.offsetY/t.height,o="";return("repeat-x"===this.repeat||"no-repeat"===this.repeat)&&(n=1,s&&(n+=Math.abs(s))),("repeat-y"===this.repeat||"no-repeat"===this.repeat)&&(i=1,r&&(i+=Math.abs(r))),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e=this.source;return e&&(void 0===e.src||e.complete&&0!==e.naturalWidth&&0!==e.naturalHeight)?t.createPattern(e,this.repeat):""}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;if(e.Shadow)return e.warn("fabric.Shadow is already defined.");e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(t){for(var i in"string"==typeof t&&(t=this._parseShadow(t)),t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),n=e.Shadow.reOffsetsAndBlur.exec(i)||[];return{color:(i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseFloat(n[1],10)||0,offsetY:parseFloat(n[2],10)||0,blur:parseFloat(n[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var n=40,r=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=new e.Color(this.color);return t.width&&t.height&&(n=100*i((Math.abs(o.x)+this.blur)/t.width,s)+20,r=100*i((Math.abs(o.y)+this.blur)/t.height,s)+20),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'\n \n \n \n \n \n \n \n \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 t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(\d+(?:\.\d*)?(?:px)?)?(?:\s?|$)(?:$|\s)/}(i),function(){"use strict";if(r.StaticCanvas)return r.warn("fabric.StaticCanvas is already defined.");var t=r.util.object.extend,e=r.util.getElementOffset,i=r.util.removeFromArray,n=r.util.toFixed,s=r.util.transformPoint,o=r.util.invertTransform,a=r.util.getNodeCanvas,l=r.util.createCanvasElement,c=Error("Could not initialize `canvas` element");r.StaticCanvas=r.util.createClass(r.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:r.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 r.devicePixelRatio>1&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?Math.max(1,r.devicePixelRatio):1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=r.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=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},__setBgOverlayImage:function(t,e,i,n){return"string"==typeof e?r.util.loadImage(e,function(e,s){if(e){var o=new r.Image(e,n);this[t]=o,o.canvas=this}i&&i(e,s)},this,n&&n.crossOrigin):(n&&e.setOptions(n),this[t]=e,e&&(e.canvas=this),i&&i(e,!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=l();if(!t||(t.style||(t.style={}),void 0===t.getContext))throw c;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=r.util.getById(t)||this._createCanvasElement(),r.util.addClass(this.lowerCanvasEl,"lower-canvas"),this._originalCanvasStyle=this.lowerCanvasEl.style,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 n in e=e||{},t)i=t[n],e.cssOnly||(this._setBackstoreDimension(n,t[n]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(n,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(this.contextTop),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,n,r=this._activeObject,s=this.backgroundImage,o=this.overlayImage;for(i=0,this.viewportTransform=t,n=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,s=e.width||this.width,o=e.height||this.height,a='viewBox="0 0 '+this.width+" "+this.height+'" ',l=r.Object.NUM_FRACTION_DIGITS;e.viewBox?a='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(a='viewBox="'+n(-(i=this.viewportTransform)[4]/i[0],l)+" "+n(-i[5]/i[3],l)+" "+n(this.width/i[0],l)+" "+n(this.height/i[3],l)+'" '),t.push("\n',"Created with Fabric.js ",r.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+r.Object.__uid++,'\n'+this.clipPath.toClipPathSVG(t.reviver)+"\n"):""},createSVGRefElementsMarkup:function(){var t=this;return["background","overlay"].map(function(e){var i=t[e+"Color"];if(i&&i.toLive){var n=t[e+"Vpt"],s=t.viewportTransform,o={width:t.width/(n?s[0]:1),height:t.height/(n?s[3]:1)};return i.toSVG(o,{additionalTransform:n?r.util.matrixToSVG(s):""})}}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,n,s,o,a,l,c="",h={},u=r.fontPaths,f=[];for(this._objects.forEach(function t(e){f.push(e),e._objects&&e._objects.forEach(t)}),a=0,l=f.length;a\n"),c},_setSVGObjects:function(t,e){var i,n,r,s=this._objects;for(n=0,r=s.length;n\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(e=(r=s._objects).length;e--;)n=r[e],i(this._objects,n),this._objects.unshift(n);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(e=0,r=s._objects;e0+c&&(o=s-1,i(this._objects,r),this._objects.splice(o,0,r)),c++;else 0!==(s=this._objects.indexOf(t))&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var n,r;if(i){for(n=e,r=e-1;r>=0;--r)if(t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t)){n=r;break}}else n=e-1;return n},bringForward:function(t,e){if(!t)return this;var n,r,s,o,a,l=this._activeObject,c=0;if(t===l&&"activeSelection"===t.type)for(n=(a=l._objects).length;n--;)r=a[n],(s=this._objects.indexOf(r))"}}),t(r.StaticCanvas.prototype,r.Observable),t(r.StaticCanvas.prototype,r.Collection),t(r.StaticCanvas.prototype,r.DataURLExporter),t(r.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=l();if(!e||!e.getContext)return null;var i=e.getContext("2d");return i&&"setLineDash"===t?void 0!==i.setLineDash:null}}),r.StaticCanvas.prototype.toJSON=r.StaticCanvas.prototype.toObject,r.isLikelyNode&&(r.StaticCanvas.prototype.createPNGStream=function(){var t=a(this.lowerCanvasEl);return t&&t.createPNGStream()},r.StaticCanvas.prototype.createJPEGStream=function(t){var e=a(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}(),r.BaseBrush=r.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,limitedToCanvasSize:!1,_setBrushStyles:function(t){t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,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,n=t.getZoom();t&&t._isRetinaScaling()&&(n*=r.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*n,i.shadowOffsetX=e.offsetX*n,i.shadowOffsetY=e.offsetY*n}},needsFullRender:function(){return 1>new r.Color(this.color).getAlpha()||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0},_isOutSideCanvas:function(t){return t.x<0||t.x>this.canvas.getWidth()||t.y<0||t.y>this.canvas.getHeight()}}),r.PencilBrush=r.util.createClass(r.BaseBrush,{decimate:.4,drawStraightLine:!1,straightLineKey:"shiftKey",initialize:function(t){this.canvas=t,this._points=[]},needsFullRender:function(){return this.callSuper("needsFullRender")||this._hasStraightLine},_drawSegment:function(t,e,i){var n=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,n.x,n.y),n},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],!(!0===this.limitedToCanvasSize&&this._isOutSideCanvas(t))&&this._captureDrawingPath(t)&&this._points.length>1))if(this.needsFullRender())this.canvas.clearContext(this.canvas.contextTop),this._render();else{var i=this._points,n=i.length,r=this.canvas.contextTop;this._saveAndTransform(r),this.oldEnd&&(r.beginPath(),r.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(r,i[n-2],i[n-1],!0),r.stroke(),r.restore()}},onMouseUp:function(t){return!this.canvas._isMainEvent(t.e)||(this.drawStraightLine=!1,this.oldEnd=void 0,this._finalizeAndAddPath(),!1)},_prepareForDrawing:function(t){var e=new r.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){return!(this._points.length>1&&t.eq(this._points[this._points.length-1]))&&(this.drawStraightLine&&this._points.length>1&&(this._hasStraightLine=!0,this._points.pop()),this._points.push(t),!0)},_reset:function(){this._points=[],this._setBrushStyles(this.canvas.contextTop),this._setShadow(),this._hasStraightLine=!1},_captureDrawingPath:function(t){var e=new r.Point(t.x,t.y);return this._addPoint(e)},_render:function(t){var e,i,n=this._points[0],s=this._points[1];if(t=t||this.canvas.contextTop,this._saveAndTransform(t),t.beginPath(),2===this._points.length&&n.x===s.x&&n.y===s.y){var o=this.width/1e3;n=new r.Point(n.x,n.y),s=new r.Point(s.x,s.y),n.x-=o,s.x+=o}for(t.moveTo(n.x,n.y),e=1,i=this._points.length;e=n&&o.push(s=t[i]);return o.push(t[r]),o},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var t=this.convertPointsToSVGPath(this._points);if(this._isEmptySVGPath(t))return void this.canvas.requestRenderAll();var e=this.createPath(t);this.canvas.clearContext(this.canvas.contextTop),this.canvas.fire("before:path:created",{path:e}),this.canvas.add(e),this.canvas.requestRenderAll(),e.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:e})}}),r.CircleBrush=r.util.createClass(r.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),this.dot(i,e),i.restore()},dot:function(t,e){t.fillStyle=e.fill,t.beginPath(),t.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),t.closePath(),t.fill()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i=this.canvas.contextTop,n=this.points;for(this._saveAndTransform(i),t=0,e=n.length;t0&&!this.preserveObjectStacking){e=[],i=[];for(var r=0,s=this._objects.length;r1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&(this.renderTopLayer(this.contextTop),this.hasLostContext=!1);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTopLayer:function(t){t.save(),this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0),this.selection&&this._groupSelector&&(this._drawSelection(t),this.contextTopDirty=!0),t.restore()},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.renderTopLayer(t),this.fire("after:render"),this},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),n=r.util.invertTransform(i),s=this.restorePointerVpt(e);return r.util.transformPoint(s,n)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var n=this._normalizePointer(t,{x:e,y:i}),s=Math.max(t.cacheTranslationX+n.x*t.zoomX,0),o=Math.max(t.cacheTranslationY+n.y*t.zoomY,0),a=r.util.isTransparent(t._cacheContext,Math.round(s),Math.round(o),this.targetFindTolerance);return a}var l=this.contextCache,c=t.selectionBackgroundColor,h=this.viewportTransform;t.selectionBackgroundColor="",this.clearContext(l),l.save(),l.transform(h[0],h[1],h[2],h[3],h[4],h[5]),t.render(l),l.restore(),t.selectionBackgroundColor=c;var a=r.util.isTransparent(l,e,i,this.targetFindTolerance);return a},_isSelectionKeyPressed:function(t){return Array.isArray(this.selectionKey)?!!this.selectionKey.find(function(e){return!0===t[e]}):t[this.selectionKey]},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),n=this._activeObject;return!e||e&&n&&i.length>1&&-1===i.indexOf(e)&&n!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&n&&n!==e},_shouldCenterTransform:function(t,e,i){var n;if(t)return"scale"===e||"scaleX"===e||"scaleY"===e||"resizing"===e?n=this.centeredScaling||t.centeredScaling:"rotate"===e&&(n=this.centeredRotation||t.centeredRotation),n?!i:i},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":("mr"===e||"tr"===e||"br"===e)&&(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":("bl"===e||"mb"===e||"br"===e)&&(i.y="top"),i},_getActionFromCorner:function(t,e,i,n){if(!e||!t)return"drag";var r=n.controls[e];return r.getActionName(i,r,n)},_setupCurrentTransform:function(t,i,n){if(i){var s=this.getPointer(t),o=i.__corner,a=i.controls[o],l=n&&o?a.getActionHandler(t,i,a):r.controlsUtils.dragHandler,c=this._getActionFromCorner(n,o,t,i),h=this._getOriginFromCorner(i,o),u=t[this.centeredKey],f={target:i,action:c,actionHandler:l,corner:o,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:s.x-i.left,offsetY:s.y-i.top,originX:h.x,originY:h.y,ex:s.x,ey:s.y,lastX:s.x,lastY:s.y,theta:e(i.angle),width:i.width*i.scaleX,shiftKey:t.shiftKey,altKey:u,original:r.util.saveObjectTransform(i)};this._shouldCenterTransform(i,c,u)&&(f.originX="center",f.originY="center"),f.original.originX=h.x,f.original.originY=h.y,this._currentTransform=f,this._beforeTransform(t)}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,i=new r.Point(e.ex,e.ey),n=r.util.transformPoint(i,this.viewportTransform),s=new r.Point(e.ex+e.left,e.ey+e.top),o=r.util.transformPoint(s,this.viewportTransform),a=Math.min(n.x,o.x),l=Math.min(n.y,o.y),c=Math.max(n.x,o.x),h=Math.max(n.y,o.y),u=this.selectionLineWidth/2;this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(a,l,c-a,h-l)),this.selectionLineWidth&&this.selectionBorderColor&&(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,a+=u,l+=u,c-=u,h-=u,r.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(a,l,c-a,h-l))},findTarget:function(t,e){if(!this.skipTargetFind){var n,r,s=this.getPointer(t,!0),o=this._activeObject,a=this.getActiveObjects(),l=i(t),c=a.length>1&&!e||1===a.length;if(this.targets=[],c&&o._findTargetCorner(s,l)||a.length>1&&!e&&o===this._searchPossibleTargets([o],s))return o;if(1===a.length&&o===this._searchPossibleTargets([o],s))if(!this.preserveObjectStacking)return o;else n=o,r=this.targets,this.targets=[];var h=this._searchPossibleTargets(this._objects,s);return t[this.altSelectionKey]&&h&&n&&h!==n&&(h=n,this.targets=r),h}},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&e.containsPoint(t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;else if(!this.isTargetTransparent(e,i.x,i.y))return!0}},_searchPossibleTargets:function(t,e){for(var i,n,s=t.length;s--;){var o=t[s],a=o.group?this._normalizePointer(o.group,e):e;if(this._checkTarget(a,o,e)){(i=t[s]).subTargetCheck&&i instanceof r.Group&&(n=this._searchPossibleTargets(i._objects,e))&&this.targets.push(n);break}}return i},restorePointerVpt:function(t){return r.util.transformPoint(t,r.util.invertTransform(this.viewportTransform))},getPointer:function(e,i){if(this._absolutePointer&&!i)return this._absolutePointer;if(this._pointer&&i)return this._pointer;var n,r=t(e),s=this.upperCanvasEl,o=s.getBoundingClientRect(),a=o.width||0,l=o.height||0;(!a||!l)&&("top"in o&&"bottom"in o&&(l=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),r.x=r.x-this._offset.left,r.y=r.y-this._offset.top,i||(r=this.restorePointerVpt(r));var c=this.getRetinaScaling();return 1!==c&&(r.x/=c,r.y/=c),n=0===a||0===l?{width:1,height:1}:{width:s.width/a,height:s.height/l},{x:r.x*n.width,y:r.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,""),e=this.lowerCanvasEl,i=this.upperCanvasEl;i?i.className="":(i=this._createCanvasElement(),this.upperCanvasEl=i),r.util.addClass(i,"upper-canvas "+t),this.wrapperEl.appendChild(i),this._copyCanvasStyle(e,i),this._applyCanvasStyle(i),this.contextTop=i.getContext("2d")},getTopContext:function(){return this.contextTop},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=r.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),r.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),r.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;r.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none","-ms-touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=i,r.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;if(t)if("activeSelection"===t.type&&t._objects)return t._objects.slice(0);else return[t];return[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),t===this._hoveredTarget&&(this._hoveredTarget=null,this._hoveredTargets=[]),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(t,e){var i=!1,n=this.getActiveObjects(),r=[],s=[];t.forEach(function(t){-1===n.indexOf(t)&&(i=!0,t.fire("deselected",{e:e,target:t}),s.push(t))}),n.forEach(function(n){-1===t.indexOf(n)&&(i=!0,n.fire("selected",{e:e,target:n}),r.push(n))}),t.length>0&&n.length>0?i&&this.fire("selection:updated",{e:e,selected:r,deselected:s}):n.length>0?this.fire("selection:created",{e:e,selected:r}):t.length>0&&this.fire("selection:cleared",{e:e,deselected:s})},setActiveObject:function(t,e){var i=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(i,e),this},_setActiveObject:function(t,e){return!(this._activeObject===t||!this._discardActiveObject(e,t)||t.onSelect({e:e}))&&(this._activeObject=t,!0)},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects(),i=this.getActiveObject();return e.length&&this.fire("before:selection:cleared",{target:i,e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),this.contextCache=null,this.contextTop=null,["upperCanvasEl","cacheCanvasEl"].forEach((function(t){r.util.cleanUpJsdomNode(this[t]),this[t]=void 0}).bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,r.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(t),r=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,n),r},_realizeGroupTransformOnObject:function(t){if(!t.group||"activeSelection"!==t.group.type||this._activeObject!==t.group)return null;var e={};return["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"].forEach(function(i){e[i]=t[i]}),r.util.addTransformToObject(t,this._activeObject.calcOwnMatrix()),e},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,n)},setViewportTransform:function(t){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),r.StaticCanvas.prototype.setViewportTransform.call(this,t)}}),r.StaticCanvas)"prototype"!==n&&(r.Canvas[n]=r.StaticCanvas[n])}(),function(){var t=r.util.addListener,e=r.util.removeListener,i={passive:!1};function n(t,e){return t.button&&t.button===e-1}r.util.object.extend(r.Canvas.prototype,{mainTouchId:null,_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(t,"add")},_getEventPrefix:function(){return this.enablePointerEvents?"pointer":"mouse"},addOrRemove:function(t,e){var n=this.upperCanvasEl,s=this._getEventPrefix();t(r.window,"resize",this._onResize),t(n,s+"down",this._onMouseDown),t(n,s+"move",this._onMouseMove,i),t(n,s+"out",this._onMouseOut),t(n,s+"enter",this._onMouseEnter),t(n,"wheel",this._onMouseWheel),t(n,"contextmenu",this._onContextMenu),t(n,"dblclick",this._onDoubleClick),t(n,"dragover",this._onDragOver),t(n,"dragenter",this._onDragEnter),t(n,"dragleave",this._onDragLeave),t(n,"drop",this._onDrop),this.enablePointerEvents||t(n,"touchstart",this._onTouchStart,i),"undefined"!=typeof eventjs&&e in eventjs&&(eventjs[e](n,"gesture",this._onGesture),eventjs[e](n,"drag",this._onDrag),eventjs[e](n,"orientation",this._onOrientationChange),eventjs[e](n,"shake",this._onShake),eventjs[e](n,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(e,"remove");var t=this._getEventPrefix();e(r.document,t+"up",this._onMouseUp),e(r.document,"touchend",this._onTouchEnd,i),e(r.document,t+"move",this._onMouseMove,i),e(r.document,"touchmove",this._onMouseMove,i)},_bindEvents:function(){this.eventsBound||(this._onMouseDown=this._onMouseDown.bind(this),this._onTouchStart=this._onTouchStart.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onTouchEnd=this._onTouchEnd.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this,"dragenter"),this._onDragLeave=this._simpleEventHandler.bind(this,"dragleave"),this._onDrop=this._onDrop.bind(this),this.eventsBound=!0)},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t});var i=this;this._hoveredTargets.forEach(function(e){i.fire("mouse:out",{target:e,e:t}),e&&e.fire("mouseout",{e:t})}),this._hoveredTargets=[]},_onMouseEnter:function(t){this._currentTransform||this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null,this._hoveredTargets=[])},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onDragOver:function(t){t.preventDefault();var e=this._simpleEventHandler("dragover",t);this._fireEnterLeaveEvents(e,t)},_onDrop:function(t){return this._simpleEventHandler("drop:before",t),this._simpleEventHandler("drop",t)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"dblclick"),this._resetTransformEventData(t)},getPointerId:function(t){var e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1},_isMainEvent:function(t){return!0===t.isPrimary||!1!==t.isPrimary&&("touchend"===t.type&&0===t.touches.length||!t.changedTouches||t.changedTouches[0].identifier===this.mainTouchId)},_onTouchStart:function(n){n.preventDefault(),null===this.mainTouchId&&(this.mainTouchId=this.getPointerId(n)),this.__onMouseDown(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();t(r.document,"touchend",this._onTouchEnd,i),t(r.document,"touchmove",this._onMouseMove,i),e(s,o+"down",this._onMouseDown)},_onMouseDown:function(n){this.__onMouseDown(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();e(s,o+"move",this._onMouseMove,i),t(r.document,o+"up",this._onMouseUp),t(r.document,o+"move",this._onMouseMove,i)},_onTouchEnd:function(n){if(!(n.touches.length>0)){this.__onMouseUp(n),this._resetTransformEventData(),this.mainTouchId=null;var s=this._getEventPrefix();e(r.document,"touchend",this._onTouchEnd,i),e(r.document,"touchmove",this._onMouseMove,i);var o=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout(function(){t(o.upperCanvasEl,s+"down",o._onMouseDown),o._willAddMouseDown=0},400)}},_onMouseUp:function(n){this.__onMouseUp(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();this._isMainEvent(n)&&(e(r.document,o+"up",this._onMouseUp),e(r.document,o+"move",this._onMouseMove,i),t(s,o+"move",this._onMouseMove,i))},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t){var e=this._activeObject;return!!e!=!!t||!!e&&!!t&&e!==t||(e&&e.isEditing,!1)},__onMouseUp:function(t){var e,i,s,o=this._currentTransform,a=this._groupSelector,l=!1,c=!a||0===a.left&&0===a.top;if(this._cacheTransformEventData(t),s=this._target,this._handleEvent(t,"up:before"),n(t,3)){this.fireRightClick&&this._handleEvent(t,"up",3,c);return}if(n(t,2)){this.fireMiddleClick&&this._handleEvent(t,"up",2,c),this._resetTransformEventData();return}if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(t);if(this._isMainEvent(t)){if(o&&(this._finalizeCurrentTransform(t),l=o.actionPerformed),!c){var h=s===this._activeObject;this._maybeGroupObjects(t),l||(l=this._shouldRender(s)||!h&&s===this._activeObject)}if(s){if(e=s._findTargetCorner(this.getPointer(t,!0),r.util.isTouchEvent(t)),s.selectable&&s!==this._activeObject&&"up"===s.activeOn)this.setActiveObject(s,t),l=!0;else{var u=s.controls[e],f=u&&u.getMouseUpHandler(t,s,u);f&&(i=this.getPointer(t),f(t,o,i.x,i.y))}s.isMoving=!1}if(o&&(o.target!==s||o.corner!==e)){var d=o.target&&o.target.controls[o.corner],g=d&&d.getMouseUpHandler(t,s,u);i=i||this.getPointer(t),g&&g(t,o,i.x,i.y)}this._setCursorFromEvent(t,s),this._handleEvent(t,"up",1,c),this._groupSelector=null,this._currentTransform=null,s&&(s.__corner=0),l?this.requestRenderAll():c||this.renderTop()}},_simpleEventHandler:function(t,e){var i=this.findTarget(e),n=this.targets,r={e:e,target:i,subTargets:n};if(this.fire(t,r),i&&i.fire(t,r),!n)return i;for(var s=0;s1&&(e=new r.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(i){for(var n,s=[],o=this._groupSelector.ex,a=this._groupSelector.ey,l=o+this._groupSelector.left,c=a+this._groupSelector.top,h=new r.Point(t(o,l),t(a,c)),u=new r.Point(e(o,l),e(a,c)),f=!this.selectionFullyContained,d=o===l&&a===c,g=this._objects.length;g--&&!((n=this._objects[g])&&n.selectable&&n.visible&&(f&&n.intersectsWithRect(h,u,!0)||n.isContainedWithinRect(h,u,!0)||f&&n.containsPoint(h,null,!0)||f&&n.containsPoint(u,null,!0))&&(s.push(n),d)););return s.length>1&&(s=s.filter(function(t){return!t.onSelect({e:i})})),s},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}})}(),r.util.object.extend(r.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,n=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),s=this.toCanvasElement(n,t);return r.util.toDataURL(s,e,i)},toCanvasElement:function(t,e){t=t||1;var i=((e=e||{}).width||this.width)*t,n=(e.height||this.height)*t,s=this.getZoom(),o=this.width,a=this.height,l=s*t,c=this.viewportTransform,h=(c[4]-(e.left||0))*t,u=(c[5]-(e.top||0))*t,f=this.interactive,d=this.enableRetinaScaling,g=r.util.createCanvasElement(),p=this.contextTop;return g.width=i,g.height=n,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=[l,0,0,l,h,u],this.width=i,this.height=n,this.calcViewportBoundaries(),this.renderCanvas(g.getContext("2d"),this._objects),this.viewportTransform=c,this.width=o,this.height=a,this.calcViewportBoundaries(),this.interactive=f,this.enableRetinaScaling=d,this.contextTop=p,g}}),r.util.object.extend(r.StaticCanvas.prototype,{loadFromJSON:function(t,e,i){if(t){var n="string"==typeof t?JSON.parse(t):r.util.object.clone(t),s=this,o=n.clipPath,a=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete n.clipPath,this._enlivenObjects(n.objects,function(t){s.clear(),s._setBgOverlay(n,function(){o?s._enlivenObjects([o],function(i){s.clipPath=i[0],s.__setupCanvas.call(s,n,t,a,e)}):s.__setupCanvas.call(s,n,t,a,e)})},i),this}},__setupCanvas:function(t,e,i,n){var r=this;e.forEach(function(t,e){r.insertAt(t,e)}),this.renderOnAddRemove=i,delete t.objects,delete t.backgroundImage,delete t.overlayImage,delete t.background,delete t.overlay,this._setOptions(t),this.renderAll(),n&&n()},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!t.backgroundImage&&!t.overlayImage&&!t.background&&!t.overlay){e&&e();return}var n=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,n),this.__setBgOverlay("overlayImage",t.overlayImage,i,n),this.__setBgOverlay("backgroundColor",t.background,i,n),this.__setBgOverlay("overlayColor",t.overlay,i,n)},__setBgOverlay:function(t,e,i,n){var s=this;if(!e){i[t]=!0,n&&n();return}"backgroundImage"===t||"overlayImage"===t?r.util.enlivenObjects([e],function(e){s[t]=e[0],i[t]=!0,n&&n()}):this["set"+r.util.string.capitalize(t,!0)](e,function(){i[t]=!0,n&&n()})},_enlivenObjects:function(t,e,i){if(!t||0===t.length){e&&e([]);return}r.util.enlivenObjects(t,function(t){e&&e(t)},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(n){i(n.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=r.util.createCanvasElement();e.width=this.width,e.height=this.height;var i=new r.Canvas(e);this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,touchCornerSize:24,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgb(178,204,255)",borderDashArray:null,cornerColor:"rgb(178,204,255)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeDashOffset:0,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:4,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,perPixelTargetFind:!1,includeDefaultValues:!0,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:a,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",activeOn:"down",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow visible backgroundColor skewX skewY fillRule paintFirst clipPath strokeUniform".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath".split(" "),colorProperties:"fill stroke backgroundColor".split(" "),clipPath:void 0,inverted:!1,absolutePositioned:!1,initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.util.createCanvasElement(),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,n=t.width,r=t.height,s=e.maxCacheSideLimit,o=e.minCacheSideLimit;if(n<=s&&r<=s&&n*r<=i)return nc&&(t.zoomX/=n/c,t.width=c,t.capped=!0),r>h&&(t.zoomY/=r/h,t.height=h,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.getTotalObjectScaling(),e=this._getTransformedDimensions(0,0),i=e.x*t.scaleX/this.scaleX,n=e.y*t.scaleY/this.scaleY;return{width:Math.ceil(i+2),height:Math.ceil(n+2),zoomX:t.scaleX,zoomY:t.scaleY,x:i,y:n}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var e=t._currentTransform.target,i=t._currentTransform.action;if(this===e&&i.slice&&"scale"===i.slice(0,5))return!1}var n,r,s=this._cacheCanvas,o=this._limitCacheSize(this._getCacheCanvasDimensions()),a=o.width,l=o.height,c=o.zoomX,h=o.zoomY,u=a!==this.cacheWidth||l!==this.cacheHeight,f=this.zoomX!==c||this.zoomY!==h;return(!!u||!!f)&&(u?(s.width=a,s.height=l):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,s.width,s.height)),n=o.x/2,r=o.y/2,this.cacheTranslationX=Math.round(s.width/2-n)+n,this.cacheTranslationY=Math.round(s.height/2-r)+r,this.cacheWidth=a,this.cacheHeight=l,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(c,h),this.zoomX=c,this.zoomY=h,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e=this.group&&!this.group._transformDone||this.group&&this.canvas&&t===this.canvas.contextTop,i=this.calcTransformMatrix(!e);t.transform(i[0],i[1],i[2],i[3],i[4],i[5])},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,n={type:this.type,version:e.version,originX:this.originX,originY:this.originY,left:r(this.left,i),top:r(this.top,i),width:r(this.width,i),height:r(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeUniform:this.strokeUniform,strokeMiterLimit:r(this.strokeMiterLimit,i),scaleX:r(this.scaleX,i),scaleY:r(this.scaleY,i),angle:r(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,backgroundColor:this.backgroundColor,fillRule:this.fillRule,paintFirst:this.paintFirst,globalCompositeOperation:this.globalCompositeOperation,skewX:r(this.skewX,i),skewY:r(this.skewY,i)};return this.clipPath&&!this.clipPath.excludeFromExport&&(n.clipPath=this.clipPath.toObject(t),n.clipPath.inverted=this.clipPath.inverted,n.clipPath.absolutePositioned=this.clipPath.absolutePositioned),e.util.populateWithProperties(this,n,t),this.includeDefaultValues||(n=this._removeDefaultValues(n)),n},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype;return i.stateProperties.forEach(function(e){"left"!==e&&"top"!==e&&(t[e]===i[e]&&delete t[e],Array.isArray(t[e])&&Array.isArray(i[e])&&0===t[e].length&&0===i[e].length&&delete t[e])}),t},toString:function(){return"#"},getObjectScaling:function(){if(!this.group)return{scaleX:this.scaleX,scaleY:this.scaleY};var t=e.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 n=this.canvas.getZoom(),r=this.canvas.getRetinaScaling();e*=n*r,i*=n*r}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var n="scaleX"===t||"scaleY"===t,r=this[t]!==i,s=!1;return n&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,r&&(s=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(t)>-1?(this.dirty=!0,s&&this.group.set("dirty",!0)):s&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||!this.width&&!this.height&&0===this.strokeWidth||!this.visible},render:function(t){!this.isNotVisible()&&(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),t.restore())},renderCache:function(t){t=t||{},this._cacheCanvas&&this._cacheContext||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,t.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null,this._cacheContext=null,this.cacheWidth=0,this.cacheHeight=0},hasStroke:function(){return this.stroke&&"transparent"!==this.stroke&&0!==this.strokeWidth},hasFill:function(){return this.fill&&"transparent"!==this.fill},needsItsOwnCache:function(){return!!("stroke"===this.paintFirst&&this.hasFill()&&this.hasStroke())&&"object"==typeof this.shadow||!!this.clipPath},shouldCache:function(){return this.ownCaching=this.needsItsOwnCache()||this.objectCaching&&(!this.group||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawClipPathOnCache:function(t,i){if(t.save(),i.inverted?t.globalCompositeOperation="destination-out":t.globalCompositeOperation="destination-in",i.absolutePositioned){var n=e.util.invertTransform(this.calcTransformMatrix());t.transform(n[0],n[1],n[2],n[3],n[4],n[5])}i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},drawObject:function(t,e){var i=this.fill,n=this.stroke;e?(this.fill="black",this.stroke="",this._setClippingProperties(t)):this._renderBackground(t),this._render(t),this._drawClipPath(t,this.clipPath),this.fill=i,this.stroke=n},_drawClipPath:function(t,e){e&&(e.canvas=this.canvas,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCache(t,e))},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&this._cacheContext&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&this._cacheContext&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){var i=e.stroke;i&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineDashOffset=e.strokeDashOffset,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,i.toLive?"percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform?this._applyPatternForTransformedGradient(t,i):(t.strokeStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):t.strokeStyle=e.stroke)},_setFillStyles:function(t,e){var i=e.fill;i&&(i.toLive?(t.fillStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,e.fill)):t.fillStyle=i)},_setClippingProperties:function(t){t.globalAlpha=1,t.strokeStyle="transparent",t.fillStyle="#000000"},_setLineDash:function(t,e){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),t.setLineDash(e))},_renderControls:function(t,i){var n,r,s,a=this.getViewportTransform(),l=this.calcTransformMatrix();r=void 0!==(i=i||{}).hasBorders?i.hasBorders:this.hasBorders,s=void 0!==i.hasControls?i.hasControls:this.hasControls,l=e.util.multiplyTransformMatrices(a,l),n=e.util.qrDecompose(l),t.save(),t.translate(n.translateX,n.translateY),t.lineWidth=+this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.flipX&&(n.angle-=180),t.rotate(o(this.group?n.angle:this.angle)),i.forActiveSelection||this.group?r&&this.drawBordersInGroup(t,n,i):r&&this.drawBorders(t,i),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i,n=this.shadow,r=this.canvas,s=r&&r.viewportTransform[0]||1,o=r&&r.viewportTransform[3]||1;i=n.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),r&&r._isRetinaScaling()&&(s*=e.devicePixelRatio,o*=e.devicePixelRatio),t.shadowColor=n.color,t.shadowBlur=n.blur*e.browserShadowBlurConstant*(s+o)*(i.scaleX+i.scaleY)/4,t.shadowOffsetX=n.offsetX*s*i.scaleX,t.shadowOffsetY=n.offsetY*o*i.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,n=-this.width/2+e.offsetX||0,r=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,n,r):t.transform(1,0,0,1,n,r),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:n,offsetY:r}},_renderPaintInOrder:function(t){"stroke"===this.paintFirst?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))},_render:function(){},_renderFill:function(t){this.fill&&(t.save(),this._setFillStyles(t,this),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this.strokeUniform&&this.group){var e=this.getObjectScaling();t.scale(1/e.scaleX,1/e.scaleY)}else this.strokeUniform&&t.scale(1/this.scaleX,1/this.scaleY);this._setLineDash(t,this.strokeDashArray),this._setStrokeStyles(t,this),t.stroke(),t.restore()}},_applyPatternForTransformedGradient:function(t,i){var n,r=this._limitCacheSize(this._getCacheCanvasDimensions()),s=e.util.createCanvasElement(),o=this.canvas.getRetinaScaling(),a=r.x/this.scaleX/o,l=r.y/this.scaleY/o;s.width=Math.ceil(a),s.height=Math.ceil(l),(n=s.getContext("2d")).beginPath(),n.moveTo(0,0),n.lineTo(a,0),n.lineTo(a,l),n.lineTo(0,l),n.closePath(),n.translate(a/2,l/2),n.scale(r.zoomX/this.scaleX/o,r.zoomY/this.scaleY/o),this._applyPatternGradientTransform(n,i),n.fillStyle=i.toLive(t),n.fill(),t.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),t.scale(o*this.scaleX/r.zoomX,o*this.scaleY/r.zoomY),t.strokeStyle=n.createPattern(s,"no-repeat")},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(t){var i=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),i=e.util.transformPoint(i,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,i.x+=t.offsetLeft,i.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(i,"center","center")},clone:function(t,i){var n=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(n,t):e.Object._fromObject("Object",n,t)},cloneAsImage:function(t,i){var n=this.toCanvasElement(i);return t&&t(new e.Image(n)),this},toCanvasElement:function(t){t||(t={});var i=e.util,n=i.saveObjectTransform(this),r=this.group,s=this.shadow,o=Math.abs,a=(t.multiplier||1)*(t.enableRetinaScaling?e.devicePixelRatio:1);delete this.group,t.withoutTransform&&i.resetObjectTransform(this),t.withoutShadow&&(this.shadow=null);var l,c,h,u,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),g=this.shadow,p={x:0,y:0};g&&(c=g.blur,l=g.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),p.x=2*Math.round(o(g.offsetX)+c)*o(l.scaleX),p.y=2*Math.round(o(g.offsetY)+c)*o(l.scaleY)),h=d.width+p.x,u=d.height+p.y,f.width=Math.ceil(h),f.height=Math.ceil(u);var m=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(m.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(m.width/2,m.height/2),"center","center");var y=this.canvas;m.add(this);var b=m.toCanvasElement(a||1,t);return this.shadow=s,this.set("canvas",y),r&&(this.group=r),this.set(n).setCoords(),m._objects=[],m.dispose(),m=null,b},toDataURL:function(t){return t||(t={}),e.util.toDataURL(this.toCanvasElement(t),t.format||"png",t.quality||1)},isType:function(t){return arguments.length>1?Array.from(arguments).includes(this.type):this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var n=new e.Point(i.x,i.y),r=this._getLeftTopCoords();return this.angle&&(n=e.util.rotatePoint(n,r,o(-this.angle))),{x:n.x-r.x,y:n.y-r.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)},dispose:function(){e.runningAnimations&&e.runningAnimations.cancelByTarget(this)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.ENLIVEN_PROPS=["clipPath"],e.Object._fromObject=function(t,i,r,s){var o=e[t];i=n(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){void 0!==t[0]&&(i.fill=t[0]),void 0!==t[1]&&(i.stroke=t[1]),e.util.enlivenObjectEnlivables(i,i,function(){var t=s?new o(i[s],i):new o(i);r&&r(t)})})},e.Object.__uid=0)}(i),function(){var t=r.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};r.util.object.extend(r.Object.prototype,{translateToGivenOrigin:function(t,n,s,o,a){var l,c,h,u=t.x,f=t.y;return"string"==typeof n?n=e[n]:n-=.5,"string"==typeof o?o=e[o]:o-=.5,l=o-n,"string"==typeof s?s=i[s]:s-=.5,"string"==typeof a?a=i[a]:a-=.5,c=a-s,(l||c)&&(h=this._getTransformedDimensions(),u=t.x+l*h.x,f=t.y+c*h.y),new r.Point(u,f)},translateToCenterPoint:function(e,i,n){var s=this.translateToGivenOrigin(e,i,n,"center","center");return this.angle?r.util.rotatePoint(s,e,t(this.angle)):s},translateToOriginPoint:function(e,i,n){var s=this.translateToGivenOrigin(e,"center","center",i,n);return this.angle?r.util.rotatePoint(s,e,t(this.angle)):s},getCenterPoint:function(){var t=new r.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,n){var s,o,a=this.getCenterPoint();return s=void 0!==i&&void 0!==n?this.translateToGivenOrigin(a,"center","center",i,n):new r.Point(this.left,this.top),o=new r.Point(e.x,e.y),this.angle&&(o=r.util.rotatePoint(o,a,-t(this.angle))),o.subtractEquals(s)},setPositionByOrigin:function(t,e,i){var n=this.translateToCenterPoint(t,e,i),r=this.translateToOriginPoint(n,this.originX,this.originY);this.set("left",r.x),this.set("top",r.y)},adjustPosition:function(i){var n,s,o=t(this.angle),a=this.getScaledWidth(),l=r.util.cos(o)*a,c=r.util.sin(o)*a;n="string"==typeof this.originX?e[this.originX]:this.originX-.5,s="string"==typeof i?e[i]:i-.5,this.left+=l*(s-n),this.top+=c*(s-n),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}(),function(){var t=r.util,e=t.degreesToRadians,i=t.multiplyTransformMatrices,n=t.transformPoint;t.object.extend(r.Object.prototype,{oCoords:null,aCoords:null,lineCoords:null,ownMatrixCache:null,matrixCache:null,controls:{},_getCoords:function(t,e){return e?t?this.calcACoords():this.calcLineCoords():(this.aCoords&&this.lineCoords||this.setCoords(!0),t?this.aCoords:this.lineCoords)},getCoords:function(t,e){var i;return i=this._getCoords(t,e),[new r.Point(i.tl.x,i.tl.y),new r.Point(i.tr.x,i.tr.y),new r.Point(i.br.x,i.br.y),new r.Point(i.bl.x,i.bl.y)]},intersectsWithRect:function(t,e,i,n){var s=this.getCoords(i,n);return"Intersection"===r.Intersection.intersectPolygonRectangle(s,t,e).status},intersectsWithObject:function(t,e,i){return"Intersection"===r.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i)).status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var n=this.getCoords(e,i),r=e?t.aCoords:t.lineCoords,s=0,o=t._getImageLines(r);s<4;s++)if(!t.containsPoint(n[s],o))return!1;return!0},isContainedWithinRect:function(t,e,i,n){var r=this.getBoundingRect(i,n);return r.left>=t.x&&r.left+r.width<=e.x&&r.top>=t.y&&r.top+r.height<=e.y},containsPoint:function(t,e,i,n){var r=this._getCoords(i,n),e=e||this._getImageLines(r),s=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 n={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(n,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,n,r,s=0;for(var o in e)if((!((r=e[o]).o.y=t.y)||!(r.d.y>=t.y))&&(r.o.x===r.d.x&&r.o.x>=t.x?n=r.o.x:(i=(r.d.y-r.o.y)/(r.d.x-r.o.x),n=-(t.y-0*t.x-(r.o.y-i*r.o.x))/(0-i)),n>=t.x&&(s+=1),2===s))break;return s},getBoundingRect:function(e,i){var n=this.getCoords(e,i);return t.makeBoundingBoxFromPoints(n)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){if(Math.abs(t)\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return" "+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,n=e.additionalTransform||"",r=[this.getSvgTransform(!0,n),this.getSvgCommons()].join(""),s=t.indexOf("COMMON_PARTS");return t[s]=r,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,n,s=(e=e||{}).noStyle,o=e.reviver,a=s?"":'style="'+this.getSvgStyles()+'" ',l=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",c=this.clipPath,h=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",u=c&&c.absolutePositioned,f=this.stroke,d=this.fill,g=this.shadow,p=[],m=t.indexOf("COMMON_PARTS"),y=e.additionalTransform;return c&&(c.clipPathId="CLIPPATH_"+r.Object.__uid++,n='\n'+c.toClipPathSVG(o)+"\n"),u&&p.push("\n"),p.push("\n"),i=""+a+h+(s?"":this.addPaintOrder())+" "+(y?'transform="'+y+'" ':""),t[m]=i,d&&d.toLive&&p.push(d.toSVG(this)),f&&f.toLive&&p.push(f.toSVG(this)),g&&p.push(g.toSVG(this)),c&&p.push(n),p.push(t.join("")),p.push("\n"),u&&p.push("\n"),o?o(p.join("")):p.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var t=r.util.object.extend,e="stateProperties";function i(e,i,n){var r={};n.forEach(function(t){r[t]=e[t]}),t(e[i],r,!0)}r.util.object.extend(r.Object.prototype,{hasStateChanged:function(t){var i="_"+(t=t||e);return Object.keys(this[i]).length=0;l--)if(r=a[l],this.isControlVisible(r)&&(n=this._getImageLines(e?this.oCoords[r].touchCorner:this.oCoords[r].corner),0!==(i=this._findCrossPoints({x:s,y:o},n))&&i%2==1))return this.__corner=r,r;return!1},forEachControl:function(t){for(var e in this.controls)t(this.controls[e],e,this)},_setCornerCoords:function(){var t=this.oCoords;for(var e in t){var i=this.controls[e];t[e].corner=i.calcCornerCoords(this.angle,this.cornerSize,t[e].x,t[e].y,!1),t[e].touchCorner=i.calcCornerCoords(this.angle,this.touchCornerSize,t[e].x,t[e].y,!0)}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;e.save();var i=this.getCenterPoint(),n=this._calculateCurrentDimensions(),r=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/r[0],1/r[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-n.x/2,-n.y/2,n.x,n.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),n=this.borderScaleFactor,r=i.x+n,s=i.y+n,o=void 0!==e.hasControls?e.hasControls:this.hasControls,a=!1;return t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray),t.strokeRect(-r/2,-s/2,r,s),o&&(t.beginPath(),this.forEachControl(function(e,i,n){e.withConnection&&e.getVisibility(n,i)&&(a=!0,t.moveTo(e.x*r,e.y*s),t.lineTo(e.x*r+e.offsetX,e.y*s+e.offsetY))}),a&&t.stroke()),t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var n=r.util.sizeAfterTransform(this.width,this.height,e),s=this.strokeWidth,o=this.strokeUniform,a=this.borderScaleFactor,l=n.x+s*(o?this.canvas.getZoom():e.scaleX)+a,c=n.y+s*(o?this.canvas.getZoom():e.scaleY)+a;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-l/2,-c/2,l,c),t.restore(),this},drawControls:function(t,e){e=e||{},t.save();var i,n,s=1;return this.canvas&&(s=this.canvas.getRetinaScaling()),t.setTransform(s,0,0,s,0,0),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray),this.setCoords(),this.group&&(i=this.group.calcTransformMatrix()),this.forEachControl(function(s,o,a){n=a.oCoords[o],s.getVisibility(a,o)&&(i&&(n=r.util.transformPoint(n,i)),s.render(t,n.x,n.y,e,a))}),t.restore(),this},isControlVisible:function(t){return this.controls[t]&&this.controls[t].getVisibility(this,t)},setControlVisible:function(t,e){return this._controlsVisibility||(this._controlsVisibility={}),this._controlsVisibility[t]=e,this},setControlsVisibility:function(t){for(var e in t||(t={}),t)this.setControlVisible(e,t[e]);return this},onDeselect:function(){},onSelect:function(){}})}(),r.util.object.extend(r.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.left,endValue:this.getCenterPoint().x,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),n()}})},fxCenterObjectV:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.top,endValue:this.getCenterPoint().y,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),n()}})},fxRemove:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),o.requestRenderAll(),s()},onComplete:function(){o.remove(t),n()}})}}),r.util.object.extend(r.Object.prototype,{animate:function(){if(!arguments[0]||"object"!=typeof arguments[0])return this._animate.apply(this,arguments);var t,e,i=[],n=[];for(t in arguments[0])i.push(t);for(var r=0,s=i.length;r-1||s&&o.colorProperties.indexOf(s[1])>-1,l=s?this.get(s[0])[s[1]]:this.get(t);"from"in i||(i.from=l),a||(e=~e.indexOf("=")?l+parseFloat(e.replace("=","")):parseFloat(e));var c={target:this,startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(t,e,n){return i.abort.call(o,t,e,n)},onChange:function(e,r,a){s?o[s[0]][s[1]]=e:o.set(t,e),!n&&i.onChange&&i.onChange(e,r,a)},onComplete:function(t,e,r){!n&&(o.setCoords(),i.onComplete&&i.onComplete(t,e,r))}};return a?r.util.animateColor(c.startValue,c.endValue,c.duration,c):r.util.animate(c)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r={x1:1,x2:1,y1:1,y2:1};if(e.Line)return e.warn("fabric.Line is already defined");function s(t,e){var i=t.origin,n=t.axis1,r=t.axis2,s=t.dimension,o=e.nearest,a=e.center,l=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(n),this.get(r));case a:return Math.min(this.get(n),this.get(r))+.5*this.get(s);case l:return Math.max(this.get(n),this.get(r))}}}e.Line=e.util.createClass(e.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:e.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),void 0!==r[t]&&this._setWidthHeight(),this},_getLeftToOriginX:s({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:s({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){t.beginPath();var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2),t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return i(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,n=e*this.height*.5;return{x1:i,x2:-(t*this.width*.5),y1:n,y2:-(e*this.height*.5)}},_toSVG:function(){var t=this.calcLinePoints();return["\n']}}),e.Line.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),e.Line.fromElement=function(t,n,r){r=r||{};var s=e.parseAttributes(t,e.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];n(new e.Line(o,i(s,r)))},e.Line.fromObject=function(t,i){var r=n(t,!0);r.points=[t.x1,t.y1,t.x2,t.y2],e.Object._fromObject("Line",r,function(t){delete t.points,i&&i(t)},"points")}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians;if(e.Circle)return e.warn("fabric.Circle is already defined.");e.Circle=e.util.createClass(e.Object,{type:"circle",radius:0,startAngle:0,endAngle:360,cacheProperties:e.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,n=(this.endAngle-this.startAngle)%360;if(0===n)t=["\n'];else{var r=i(this.startAngle),s=i(this.endAngle),o=this.radius,a=e.util.cos(r)*o,l=e.util.sin(r)*o,c=e.util.cos(s)*o,h=e.util.sin(s)*o;t=['180?"1":"0")+" 1"," "+c+" "+h,'" ',"COMMON_PARTS"," />\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,i(this.startAngle),i(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)}}),e.Circle.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),e.Circle.fromElement=function(t,i){var n,r=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!("radius"in(n=r)&&n.radius>=0))throw 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,i(new e.Circle(r))},e.Circle.fromObject=function(t,i){e.Object._fromObject("Circle",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});if(e.Triangle)return e.warn("fabric.Triangle is already defined");e.Triangle=e.util.createClass(e.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)},_toSVG:function(){var t=this.width/2,e=this.height/2;return["']}}),e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI;if(e.Ellipse)return e.warn("fabric.Ellipse is already defined.");e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:e.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,i,!1),t.restore(),this._renderPaintInOrder(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){var n=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);n.left=(n.left||0)-n.rx,n.top=(n.top||0)-n.ry,i(new e.Ellipse(n))},e.Ellipse.fromObject=function(t,i){e.Object._fromObject("Ellipse",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return e.warn("fabric.Rect is already defined");e.Rect=e.util.createClass(e.Object,{stateProperties:e.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:e.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,n=this.width,r=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+n-e,o),a&&t.bezierCurveTo(s+n-.4477152502*e,o,s+n,o+.4477152502*i,s+n,o+i),t.lineTo(s+n,o+r-i),a&&t.bezierCurveTo(s+n,o+r-.4477152502*i,s+n-.4477152502*e,o+r,s+n-e,o+r),t.lineTo(s+e,o+r),a&&t.bezierCurveTo(s+.4477152502*e,o+r,s,o+r-.4477152502*i,s,o+r-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+.4477152502*i,s+.4477152502*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,n,r){if(!t)return n(null);r=r||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0,s.height=s.height||0,s.width=s.width||0;var o=new e.Rect(i(r?e.util.object.clone(r):{},s));o.visible=o.visible&&o.width>0&&o.height>0,n(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.array.min,r=e.util.array.max,s=e.util.toFixed,o=e.util.projectStrokeOnPoints;if(e.Polyline)return e.warn("fabric.Polyline is already defined");e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,exactBoundingBox:!1,cacheProperties:e.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._setPositionDimensions(e)},_projectStrokeOnPoints:function(){return o(this.points,this,!0)},_setPositionDimensions:function(t){var e,i=this._calcDimensions(t),n=this.exactBoundingBox?this.strokeWidth:0;this.width=i.width-n,this.height=i.height-n,t.fromSVG||(e=this.translateToGivenOrigin({x:i.left-this.strokeWidth/2+n/2,y:i.top-this.strokeWidth/2+n/2},"left","top",this.originX,this.originY)),void 0===t.left&&(this.left=t.fromSVG?i.left:e.x),void 0===t.top&&(this.top=t.fromSVG?i.top:e.y),this.pathOffset={x:i.left+this.width/2+n/2,y:i.top+this.height/2+n/2}},_calcDimensions:function(){var t=this.exactBoundingBox?this._projectStrokeOnPoints():this.points,e=n(t,"x")||0,i=n(t,"y")||0;return{left:e,top:i,width:(r(t,"x")||0)-e,height:(r(t,"y")||0)-i}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},_toSVG:function(){for(var t=[],i=this.pathOffset.x,n=this.pathOffset.y,r=e.Object.NUM_FRACTION_DIGITS,o=0,a=this.points.length;o\n']},commonRender:function(t){var e,i=this.points.length,n=this.pathOffset.x,r=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-n,this.points[0].y-r);for(var s=0;s"},toObject:function(t){return r(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=e.Object.NUM_FRACTION_DIGITS;return" translate("+o(-this.pathOffset.x,t)+", "+o(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return" "+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,r,s=[],o=[],a=0,l=0,c=0,h=0,u=0,f=this.path.length;u"},addWithUpdate:function(t){var i=!!this.group;return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(i&&e.util.removeTransformFromObject(t,this.group.calcTransformMatrix()),this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.dirty=!0,i?this.group.addWithUpdate():this.setCoords(),this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,i){var n=this._objects.length;if(this.useSetOnGroup)for(;n--;)this._objects[n].setOnGroup(t,i);if("canvas"===t)for(;n--;)this._objects[n]._set(t,i);e.Object.prototype._set.call(this,t,i)},toObject:function(t){var i=this.includeDefaultValues,n=this._objects.filter(function(t){return!t.excludeFromExport}).map(function(e){var n=e.includeDefaultValues;e.includeDefaultValues=i;var r=e.toObject(t);return e.includeDefaultValues=n,r}),r=e.Object.prototype.toObject.call(this,t);return r.objects=n,r},toDatalessObject:function(t){var i,n=this.sourcePath;if(n)i=n;else{var r=this.includeDefaultValues;i=this._objects.map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=r;var n=e.toDatalessObject(t);return e.includeDefaultValues=i,n})}var s=e.Object.prototype.toDatalessObject.call(this,t);return s.objects=i,s},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=e.Object.prototype.shouldCache.call(this);if(t){for(var i=0,n=this._objects.length;i\n"],i=0,n=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,n=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,void 0===(i=i||{}).hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var n=0,r=this._objects.length;n\n',' \n',"\n"),a=' clip-path="url(#imageCrop_'+c+')" '}if(this.imageSmoothing||(l='" image-rendering="optimizeSpeed'),i.push(" \n"),this.stroke||this.strokeDashArray){var h=this.fill;this.fill=null,t=[" \n'],this.fill=h}return"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,e,i){return r.util.loadImage(t,function(t,n){this.setElement(t,i),this._setWidthHeight(),e&&e(this,n)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),n=i.scaleX,s=i.scaleY,o=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||n>e&&s>e){this._element=o,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=n,this._lastScaleY=s;return}r.filterBackend||(r.filterBackend=r.initFilterBackend());var a=r.util.createCanvasElement(),l=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,c=o.width,h=o.height;a.width=c,a.height=h,this._element=a,this._lastScaleX=t.scaleX=n,this._lastScaleY=t.scaleY=s,r.filterBackend.applyFilters([t],o,c,h,this._element,l),this._filterScalingX=a.width/this._originalElement.width,this._filterScalingY=a.height/this._originalElement.height},applyFilters:function(t){if(t=(t=t||this.filters||[]).filter(function(t){return t&&!t.isNeutralState()}),this.set("dirty",!0),this.removeTexture(this.cacheKey+"_filtered"),0===t.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,n=e.naturalHeight||e.height;if(this._element===this._originalElement){var s=r.util.createCanvasElement();s.width=i,s.height=n,this._element=s,this._filteredEl=s}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,n),this._lastScaleX=1,this._lastScaleY=1;return r.filterBackend||(r.filterBackend=r.initFilterBackend()),r.filterBackend.applyFilters(t,this._originalElement,i,n,this._element,this.cacheKey),(this._originalElement.width!==this._element.width||this._originalElement.height!==this._element.height)&&(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){r.util.setImageSmoothing(t,this.imageSmoothing),!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)},drawCacheOnCanvas:function(t){r.util.setImageSmoothing(t,this.imageSmoothing),r.Object.prototype.drawCacheOnCanvas.call(this,t)},shouldCache:function(){return this.needsItsOwnCache()},_renderFill:function(t){var e=this._element;if(e){var i=this._filterScalingX,n=this._filterScalingY,r=this.width,s=this.height,o=Math.min,a=Math.max,l=a(this.cropX,0),c=a(this.cropY,0),h=e.naturalWidth||e.width,u=e.naturalHeight||e.height,f=l*i,d=c*n,g=o(r*i,h-f),p=o(s*n,u-d),m=-r/2,y=-s/2,b=o(r,h/i-l),x=o(s,u/n-c);e&&t.drawImage(e,f,d,g,p,m,y,b,x)}},_needsResize:function(){var t=this.getTotalObjectScaling();return t.scaleX!==this._lastScaleX||t.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(t,e){this.setElement(r.util.getById(t),e),r.util.addClass(this.getElement(),r.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t)},_initFilters:function(t,e){t&&t.length?r.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){t||(t={});var e=this.getElement();this.width=t.width||e.naturalWidth||e.width||0,this.height=t.height||e.naturalHeight||e.height||0},parsePreserveAspectRatioAttribute:function(){var t,e=r.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,n=this._element.height,s=1,o=1,a=0,l=0,c=0,h=0,u=this.width,f=this.height,d={width:u,height:f};return e&&("none"!==e.alignX||"none"!==e.alignY)?("meet"===e.meetOrSlice&&(t=(u-i*(s=o=r.util.findScaleToFit(this._element,d)))/2,"Min"===e.alignX&&(a=-t),"Max"===e.alignX&&(a=t),t=(f-n*o)/2,"Min"===e.alignY&&(l=-t),"Max"===e.alignY&&(l=t)),"slice"===e.meetOrSlice&&(t=i-u/(s=o=r.util.findScaleToCover(this._element,d)),"Mid"===e.alignX&&(c=t/2),"Max"===e.alignX&&(c=t),t=n-f/o,"Mid"===e.alignY&&(h=t/2),"Max"===e.alignY&&(h=t),i=u/s,n=f/o)):(s=u/i,o=f/n),{width:i,height:n,scaleX:s,scaleY:o,offsetLeft:a,offsetTop:l,cropX:c,cropY:h}}}),r.Image.CSS_CANVAS="canvas-img",r.Image.prototype.getSvgSrc=r.Image.prototype.getSrc,r.Image.fromObject=function(t,e){var i=r.util.object.clone(t);r.util.loadImage(i.src,function(t,n){if(n){e&&e(null,!0);return}r.Image.prototype._initFilters.call(i,i.filters,function(n){i.filters=n||[],r.Image.prototype._initFilters.call(i,[i.resizeFilter],function(n){i.resizeFilter=n[0],r.util.enlivenObjectEnlivables(i,i,function(){e(new r.Image(t,i),!1)})})})},null,i.crossOrigin)},r.Image.fromURL=function(t,e,i){r.util.loadImage(t,function(t,n){e&&e(new r.Image(t,i),n)},null,i&&i.crossOrigin)},r.Image.ATTRIBUTE_NAMES=r.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin image-rendering".split(" ")),r.Image.fromElement=function(t,i,n){var s=r.parseAttributes(t,r.Image.ATTRIBUTE_NAMES);r.Image.fromURL(s["xlink:href"],i,e(n?r.util.object.clone(n):{},s))}}(i),r.util.object.extend(r.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten())},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,n=t.onChange||e,s=this;return r.util.animate({target:this,startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){s.rotate(t),n()},onComplete:function(){s.setCoords(),i()}})}}),r.util.object.extend(r.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound})}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}r.isWebglSupported=function(t){if(r.isLikelyNode)return!1;t=t||r.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),n=!1;if(i){r.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),n=r.maxTextureSize>=t;for(var s=["highp","mediump","lowp"],o=0;o<3;o++)if(function(t,e){var i=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(i,"precision "+e+" float;\nvoid main(){}"),t.compileShader(i),!!t.getShaderParameter(i,t.COMPILE_STATUS)}(i,s[o])){r.webGlPrecision=s[o];break}}return this.isSupported=n,n},r.WebglFilterBackend=t,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,n,s,l=void 0!==window.performance;try{new ImageData(1,1),s=!0}catch(t){s=!1}var c="undefined"!=typeof ArrayBuffer,h="undefined"!=typeof Uint8ClampedArray;if(l&&s&&c&&h){var u=r.util.createCanvasElement(),f=new ArrayBuffer(t*e*4);if(r.forceGLPutImageData){this.imageBuffer=f,this.copyGLTo2D=a;return}var d={imageBuffer:f,destinationWidth:t,destinationHeight:e,targetCanvas:u};u.width=t,u.height=e,i=window.performance.now(),o.call(d,this.gl,d),n=window.performance.now()-i,i=window.performance.now(),a.call(d,this.gl,d),n>window.performance.now()-i?(this.imageBuffer=f,this.copyGLTo2D=a):this.copyGLTo2D=o}},createWebGLCanvas:function(t,e){var i=r.util.createCanvasElement();i.width=t,i.height=e;var n={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},s=i.getContext("webgl",n);s||(s=i.getContext("experimental-webgl",n)),s&&(s.clearColor(0,0,0,0),this.canvas=i,this.gl=s)},applyFilters:function(t,e,i,n,r,s){var o,a,l,c,h,u,f,d=this.gl;s&&(f=this.getCachedTexture(s,e));var g={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:n,destinationWidth:i,destinationHeight:n,context:d,sourceTexture:this.createTexture(d,i,n,!f&&e),targetTexture:this.createTexture(d,i,n),originalTexture:f||this.createTexture(d,i,n,!f&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:r},p=d.createFramebuffer();return d.bindFramebuffer(d.FRAMEBUFFER,p),t.forEach(function(t){t&&t.applyTo(g)}),l=(a=(o=g).targetCanvas).width,c=a.height,h=o.destinationWidth,u=o.destinationHeight,(l!==h||c!==u)&&(a.width=h,a.height=u),this.copyGLTo2D(d,g),d.bindTexture(d.TEXTURE_2D,null),d.deleteTexture(g.sourceTexture),d.deleteTexture(g.targetTexture),d.deleteFramebuffer(p),r.getContext("2d").setTransform(1,0,0,1,0,0),g},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,n,r){var s=t.createTexture();return t.bindTexture(t.TEXTURE_2D,s),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,r||t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,r||t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),n?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,n):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),s},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:o,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e={renderer:"",vendor:""};if(!t)return e;var i=t.getExtension("WEBGL_debug_renderer_info");if(i){var n=t.getParameter(i.UNMASKED_RENDERER_WEBGL),r=t.getParameter(i.UNMASKED_VENDOR_WEBGL);n&&(e.renderer=n.toLowerCase()),r&&(e.vendor=r.toLowerCase())}return this.gpuInfo=e,e}}}(),!function(){"use strict";var t=function(){};function e(){}r.Canvas2dFilterBackend=e,e.prototype={evictCachesForKey:t,dispose:t,clearWebGLCaches:t,resources:{},applyFilters:function(t,e,i,n,r){var s=r.getContext("2d");s.drawImage(e,0,0,i,n);var o=s.getImageData(0,0,i,n),a=s.getImageData(0,0,i,n),l={sourceWidth:i,sourceHeight:n,imageData:o,originalEl:e,originalImageData:a,canvasEl:r,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(l)}),(l.imageData.width!==i||l.imageData.height!==n)&&(r.width=l.imageData.width,r.height=l.imageData.height),s.putImageData(l.imageData,0,0),l}}}(),r.Image=r.Image||{},r.Image.filters=r.Image.filters||{},r.Image.filters.BaseFilter=r.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aPosition;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){e=e||this.fragmentSource,i=i||this.vertexSource,"highp"!==r.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+r.webGlPrecision+" float"));var n=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(n,i),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(n));var s=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(s,e),t.compileShader(s),!t.getShaderParameter(s,t.COMPILE_STATUS))throw Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(s));var o=t.createProgram();if(t.attachShader(o,n),t.attachShader(o,s),t.linkProgram(o),!t.getProgramParameter(o,t.LINK_STATUS))throw Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(o));var a=this.getAttributeLocations(t,o),l=this.getUniformLocations(t,o)||{};return l.uStepW=t.getUniformLocation(o,"uStepW"),l.uStepH=t.getUniformLocation(o,"uStepH"),{program:o,attributeLocations:a,uniformLocations:l}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,i){var n=e.aPosition,r=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,r),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,i,n=t.context;t.passes>1?(e=t.destinationWidth,i=t.destinationHeight,(t.sourceWidth!==e||t.sourceHeight!==i)&&(n.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(n,e,i)),n.framebufferTexture2D(n.FRAMEBUFFER,n.COLOR_ATTACHMENT0,n.TEXTURE_2D,t.targetTexture,0)):(n.bindFramebuffer(n.FRAMEBUFFER,null),n.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){var t=this.mainParameter,e=r.Image.filters[this.type].prototype;if(!t)return!1;if(!Array.isArray(e[t]))return e[t]===this[t];for(var i=e[t].length;i--;)if(this[t][i]!==e[t][i])return!1;return!0},applyTo:function(t){t.webgl?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.aPosition),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),r.Image.filters.BaseFilter.fromObject=function(t,e){var i=new r.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.ColorMatrix=(0,e.util.createClass)(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,n,r,s,o=t.imageData.data,a=o.length,l=this.matrix,c=this.colorsOnly;for(s=0;s=_||o<0||o>=x||(l=(a*x+o)*4,c=m[d*y+f],e+=p[l]*c,i+=p[l+1]*c,n+=p[l+2]*c,w||(r+=p[l+3]*c));S[s]=e,S[s+1]=i,S[s+2]=n,w?S[s+3]=p[s+3]:S[s+3]=r}t.imageData=C},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Grayscale=(0,e.util.createClass)(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,n=t.imageData.data,r=n.length,s=this.mode;for(e=0;ec[0]&&r>c[1]&&s>c[2]&&n 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 i,n,r,s,o,a,l,c=t.imageData.data,h=c.length,u=1-this.alpha;i=(l=new e.Color(this.color).getSource())[0]*this.alpha,n=l[1]*this.alpha,r=l[2]*this.alpha;for(var f=0;f=t||e<=-t)return 0;if(e<11920929e-14&&e>-11920929e-14)return 1;var i=(e*=Math.PI)/t;return a(e)/e*a(i)/i}},applyTo2d:function(t){var e=t.imageData,i=this.scaleX,n=this.scaleY;this.rcpScaleX=1/i,this.rcpScaleY=1/n;var r,s=e.width,a=e.height,l=o(s*i),c=o(a*n);"sliceHack"===this.resizeType?r=this.sliceByTwo(t,s,a,l,c):"hermite"===this.resizeType?r=this.hermiteFastResize(t,s,a,l,c):"bilinear"===this.resizeType?r=this.bilinearFiltering(t,s,a,l,c):"lanczos"===this.resizeType&&(r=this.lanczosResize(t,s,a,l,c)),t.imageData=r},sliceByTwo:function(t,i,r,s,o){var a,l,c=t.imageData,h=!1,u=!1,f=.5*i,d=.5*r,g=e.filterBackend.resources,p=0,m=0,y=i,b=0;for(g.sliceByTwo||(g.sliceByTwo=document.createElement("canvas")),((a=g.sliceByTwo).width<1.5*i||a.height=e)){_[D=n(1e3*s(T-C.x))]||(_[D]={});for(var R=S.y-x;R<=S.y+x;R++)R<0||R>=o||(F=n(1e3*s(R-C.y)),_[D][F]||(_[D][F]=d(r(i(D*m,2)+i(F*y,2))/1e3)),(O=_[D][F])>0&&(k=(R*e+T)*4,E+=O,j+=O*h[k],M+=O*h[k+1],P+=O*h[k+2],A+=O*h[k+3]))}f[k=(w*a+l)*4]=j/E,f[k+1]=M/E,f[k+2]=P/E,f[k+3]=A/E}return++l1&&F<-1||(x=2*F*F*F-3*F*F+1)>0&&(O+=x*d[(D=4*(A+E*e))+3],C+=x,d[D+3]<255&&(x=x*d[D+3]/250),S+=x*d[D],w+=x*d[D+1],T+=x*d[D+2],_+=x)}p[b]=S/_,p[b+1]=w/_,p[b+2]=T/_,p[b+3]=O/C}return g},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Contrast=(0,e.util.createClass)(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,n=t.imageData.data,i=n.length,r=Math.floor(255*this.contrast),s=259*(r+255)/(255*(259-r));for(e=0;e1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Gamma=(0,e.util.createClass)(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",initialize:function(t){this.gamma=[1,1,1],i.BaseFilter.prototype.initialize.call(this,t)},applyTo2d:function(t){var e,i=t.imageData.data,n=this.gamma,r=i.length,s=1/n[0],o=1/n[1],a=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,r=256;e'},_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){var e=this.path;e&&!e.isNotVisible()&&e._render(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){if(t.textBaseline="alphabetic",this.path)switch(this.pathAlign){case"center":t.textBaseline="middle";break;case"ascender":t.textBaseline="top";break;case"descender":t.textBaseline="bottom"}t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;et&&(t=n)}return t},_renderTextLine:function(t,e,i,n,r,s){this._renderChars(t,e,i,n,r,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,n,r,s,o,a,l=t.fillStyle,c=this._getLeftOffset(),h=this._getTopOffset(),u=0,f=0,d=this.path,g=0,p=this._textLines.length;g=0:ia?u%=a:u<0&&(u+=a),this._setGraphemeOnPath(u,s,o),u+=s.kernedWidth}return{width:l,numOfSpaces:0}},_setGraphemeOnPath:function(t,i,n){var r=t+i.kernedWidth/2,s=this.path,o=e.util.getPointOnPath(s.path,r,s.segmentsInfo);i.renderLeft=o.x-n.x,i.renderTop=o.y-n.y,i.angle=o.angle+("right"===this.pathSide?Math.PI:0)},_getGraphemeBox:function(t,e,i,n,r){var s,o=this.getCompleteStyleDeclaration(e,i),a=n?this.getCompleteStyleDeclaration(e,i-1):{},l=this._measureChar(t,o,n,a),c=l.kernedWidth,h=l.width;0!==this.charSpacing&&(h+=s=this._getWidthOfCharSpacing(),c+=s);var u={width:h,left:0,height:o.fontSize,kernedWidth:c,deltaY:o.deltaY};if(i>0&&!r){var f=this.__charBounds[e][i-1];u.left=f.left+f.width+l.kernedWidth-l.width}return u},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),n=1,r=e.length;n0){var E=b+s+u;"rtl"===this.direction&&(E=this.width-E-f),c&&y&&(t.fillStyle=y,t.fillRect(E,h+S*n+o,f,this.fontSize/15)),u=d.left,f=d.width,c=g,y=m,n=r,o=a}else f+=d.kernedWidth;var E=b+s+u;"rtl"===this.direction&&(E=this.width-E-f),t.fillStyle=m,g&&m&&t.fillRect(E,h+S*n+o,f-C,this.fontSize/15),x+=i}t.restore()}},_getFontDeclaration:function(t,i){var n=t||this,r=this.fontFamily,s=e.Text.genericFonts.indexOf(r.toLowerCase())>-1,o=void 0===r||r.indexOf("'")>-1||r.indexOf(",")>-1||r.indexOf('"')>-1||s?n.fontFamily:'"'+n.fontFamily+'"';return[e.isLikelyNode?n.fontWeight:n.fontStyle,e.isLikelyNode?n.fontStyle:n.fontWeight,i?this.CACHE_FONT_SIZE+"px":n.fontSize+"px",o].join(" ")},render:function(t){this.visible&&(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),n=Array(i.length),r=["\n"],s=[],o=0;o-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}r.IText=r.util.createClass(r.Text,r.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"",cursorDelay:1e3,cursorDuration:600,caching:!0,hiddenTextareaContainer:null,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t)},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop,i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var t=this._getCursorBoundaries(),e=this.canvas.contextTop;this.clearContextTop(!0),this.selectionStart===this.selectionEnd?this.renderCursor(t,e):this.renderSelection(t,e),e.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){void 0===t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),n=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:n.left,topOffset:n.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,i,n,r,s=0,o=0,a=this.get2DCursorLocation(t);n=a.charIndex,i=a.lineIndex;for(var l=0;l0?o:0)},"rtl"===this.direction&&(r.left*=-1),this.cursorOffsetCache=r,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),n=i.lineIndex,r=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(n,r,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,l=t.topOffset,c=this.getValueOfPropertyAt(n,r,"deltaY");l+=(1-this._fontSizeFraction)*this.getHeightOfLine(n)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.cursorColor||this.getValueOfPropertyAt(n,r,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,l+t.top+c,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,n=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,r=-1!==this.textAlign.indexOf("justify"),s=this.get2DCursorLocation(i),o=this.get2DCursorLocation(n),a=s.lineIndex,l=o.lineIndex,c=s.charIndex<0?0:s.charIndex,h=o.charIndex<0?0:o.charIndex,u=a;u<=l;u++){var f=this._getLineLeftOffset(u)||0,d=this.getHeightOfLine(u),g=0,p=0,m=0;if(u===a&&(p=this.__charBounds[a][c].left),u>=a&&u1)&&(d/=this.lineHeight);var b=t.left+f+p,x=m-p,_=d,C=0;this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",_=1,C=d):e.fillStyle=this.selectionColor,"rtl"===this.direction&&(b=this.width-b-x),e.fillRect(b,t.top+t.topOffset+C,x,_),t.topOffset+=g}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),r.IText.fromObject=function(e,i){var n=r.util.stylesFromArray(e.styles,e.text),s=Object.assign({},e,{styles:n});if(delete s.path,t(s),s.styles)for(var o in s.styles)for(var a in s.styles[o])t(s.styles[o][a]);r.Object._fromObject("IText",s,function(t){e.path?r.Object._fromObject("Path",e.path,function(e){t.set("path",e),i(t)},"path"):i(t)},"text")}}(),function(){var t=r.util.object.clone;r.util.object.extend(r.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],r.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})},t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,n){var r;return r={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){r.isAborted||t[n]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return r.isAborted}}),r},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState,e=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&e&&e.clearContext(e.contextTop||e.contextContainer)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i0&&nthis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),(this.selectionStart!==i||this.selectionEnd!==n)&&(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 n=i.slice(0,t),s=r.util.string.graphemeSplit(n).length;if(t===e)return{selectionStart:s,selectionEnd:s};var o=i.slice(t,e);return{selectionStart:s,selectionEnd:s+r.util.string.graphemeSplit(o).length}},fromGraphemeToStringSelection:function(t,e,i){var n=i.slice(0,t).join("").length;return t===e?{selectionStart:n,selectionEnd:n}:{selectionStart:n,selectionEnd:n+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),n=i.lineIndex,s=i.charIndex,o=this.getValueOfPropertyAt(n,s,"fontSize")*this.lineHeight,a=e.leftOffset,l=this.calcTransformMatrix(),c={x:e.left+a,y:e.top+e.topOffset+o},h=this.canvas.getRetinaScaling(),u=this.canvas.upperCanvasEl,f=u.width/h,d=u.height/h,g=f-o,p=d-o,m=u.clientWidth/f,y=u.clientHeight/d;return c=r.util.transformPoint(c,l),c=r.util.transformPoint(c,this.canvas.viewportTransform),c.x*=m,c.y*=y,c.x<0&&(c.x=0),c.x>g&&(c.x=g),c.y<0&&(c.y=0),c.y>p&&(c.y=p),c.x+=this.canvas._offset.left,c.y+=this.canvas._offset.top,{left:c.x+"px",top:c.y+"px",fontSize:o+"px",charHeight:o}},_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,n,r=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=r.lineIndex,a=r.charIndex,l=s.lineIndex,c=s.charIndex;if(o!==l){if(this.styles[o])for(i=a;i=c&&(n[h-f]=n[u],delete n[u])}},shiftLineStyles:function(e,i){var n=t(this.styles);for(var r in this.styles){var s=parseInt(r,10);s>e&&(this.styles[s+i]=n[s],n[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){(!this._currentTickState||this._currentTickState.isAborted||!this._currentTickCompleteState||this._currentTickCompleteState.isAborted)&&this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,n,r){var s,o={},a=!1,l=this._unwrappedTextLines[e].length,c=l===i;for(var h in n||(n=1),this.shiftLineStyles(e,n),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]),this.styles[e]){var u=parseInt(h,10);u>=i&&(a=!0,o[u-i]=this.styles[e][h],c&&0===i||delete this.styles[e][h])}var f=!1;for(a&&!c&&(this.styles[e+n]=o,f=!0),(f||l>i)&&n--;n>0;)r&&r[n-1]?this.styles[e+n]={0:t(r[n-1])}:s?this.styles[e+n]={0:t(s)}:delete this.styles[e+n],n--;this._forceClearCache=!0},insertCharStyleObject:function(e,i,n,r){this.styles||(this.styles={});var s=this.styles[e],o=s?t(s):{};for(var a in n||(n=1),o){var l=parseInt(a,10);l>=i&&(s[l+n]=o[l],o[l-n]||delete s[l])}if(this._forceClearCache=!0,r){for(;n--;)Object.keys(r[n]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+n]=t(r[n]));return}if(s)for(var c=s[i?i-1:1];c&&n--;)this.styles[e][i+n]=t(c)},insertNewStyleBlock:function(t,e,i){for(var n=this.get2DCursorLocation(e,!0),r=[0],s=0,o=0;o0&&(this.insertCharStyleObject(n.lineIndex,n.charIndex,r[0],i),i=i&&i.slice(r[0]+1)),s&&this.insertNewlineStyleObject(n.lineIndex,n.charIndex+r[0],s);for(var o=1;o0?this.insertCharStyleObject(n.lineIndex+o,0,r[o],i):i&&this.styles[n.lineIndex+o]&&i[0]&&(this.styles[n.lineIndex+o][0]=i[0]),i=i&&i.slice(r[o]+1);r[o]>0&&this.insertCharStyleObject(n.lineIndex+o,0,r[o],i)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),r.util.object.extend(r.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,n=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,n,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i=this.getLocalPointer(t),n=0,r=0,s=0,o=0,a=0,l=0,c=this._textLines.length;l0&&(o+=this._textLines[l-1].length+this.missingNewlineOffset(l-1));else break;r=this._getLineLeftOffset(a)*this.scaleX,e=this._textLines[a],"rtl"===this.direction&&(i.x=this.width*this.scaleX-i.x+r);for(var h=0,u=e.length;hs||o<0?0:1);return this.flipX&&(a=r-a),a>this._text.length&&(a=this._text.length),a}}),r.util.object.extend(r.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=r.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-top: "+t.fontSize+";",this.hiddenTextareaContainer?this.hiddenTextareaContainer.appendChild(this.hiddenTextarea):r.document.body.appendChild(this.hiddenTextarea),r.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),r.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),r.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),r.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),r.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),r.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(r.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"},keysMapRtl:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorLeft",36:"moveCursorRight",37:"moveCursorRight",38:"moveCursorUp",39:"moveCursorLeft",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){var e="rtl"===this.direction?this.keysMapRtl:this.keysMap;if(t.keyCode in e)this[e[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown)||!t.ctrlKey&&!t.metaKey)return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){if(!this.isEditing||this._copyDone||this.inCompositionMode){this._copyDone=!1;return}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,n,s,o,a,l=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,c=this._text.length,h=l.length,u=h-c,f=this.selectionStart,d=this.selectionEnd,g=f!==d;if(""===this.hiddenTextarea.value){this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll());return}var p=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),m=f>p.selectionStart;g?(i=this._text.slice(f,d),u+=d-f):h0&&(n+=(i=this.__charBounds[t][e-1]).left+i.width),n},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(r===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r+1,o);return this._textLines[r].slice(s).length+a+1+this.missingNewlineOffset(r)},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(0===r||t.metaKey||33===t.keyCode)return-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r-1,o),l=this._textLines[r].slice(0,s),c=this.missingNewlineOffset(r-1);return-this._textLines[r-1].length+a-l.length+(1-c)},_getIndexOnLine:function(t,e){for(var i,n,r=this._textLines[t],s=this._getLineLeftOffset(t),o=0,a=0,l=r.length;ae){n=!0;var c=Math.abs(s-i-e);o=Math.abs(s-e)=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 n;if(t.altKey)n=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;n=this["findLineBoundary"+i](this[e])}if(void 0!==n&&this[e]!==n)return this[e]=n,!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,n){void 0===n&&(n=i),n>i&&this.removeStyleFromTo(i,n);var s=r.util.string.graphemeSplit(t);this.insertNewStyleBlock(s,i,e),this._text=[].concat(this._text.slice(0,i),s,this._text.slice(n)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),function(){var t=r.util.toFixed,e=r.util.radiansToDegrees,i=r.util.calcRotateMatrix,n=r.util.transformPoint,s=/ +/g;r.util.object.extend(r.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)},toSVG:function(t){var e=this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0}),i=this.path;return i?e+i._createBaseSVGMarkup(i._toSVG(),{reviver:t,withShadow:!0}):e},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t){var e=this.getSvgTextDecoration(this);return[t.textBgRects.join(""),' ",t.textSpans.join(""),"\n"]},_getSVGTextAndBg:function(t,e){var i,n=[],r=[],s=t;this._setSVGBg(r);for(var o=0,a=this._textLines.length;o"+r.util.string.escapeXml(o)+""},_setSVGTextLineText:function(t,e,i,n){var s,o,a,l,c,h=this.getHeightOfLine(e),u=-1!==this.textAlign.indexOf("justify"),f="",d=0,g=this._textLines[e];n+=h*(1-this._fontSizeFraction)/this.lineHeight;for(var p=0,m=g.length-1;p<=m;p++)c=p===m||this.charSpacing||this.path,f+=g[p],a=this.__charBounds[e][p],0===d?(i+=a.kernedWidth-a.width,d+=a.width):d+=a.kernedWidth,u&&!c&&this._reSpaceAndTab.test(g[p])&&(c=!0),c||(s=s||this.getCompleteStyleDeclaration(e,p),o=this.getCompleteStyleDeclaration(e,p+1),c=r.util.hasStyleChanged(s,o,!0)),c&&(l=this._getStyleDeclaration(e,p)||{},t.push(this._createTextCharSpan(f,l,i,n,a)),f="",s=o,i+=d,d=0)},_pushTextBgRect:function(e,i,n,s,o,a){var l=r.Object.NUM_FRACTION_DIGITS;e.push(" \n')},_setSVGTextLineBg:function(t,e,i,n){for(var r,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,l=0,c=0,h=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,n=0,r={},s=0;s0?(i=0,n++,e++):!this.splitByGrapheme&&this._reSpaceAndTab.test(t.graphemeText[n])&&s>0&&(i++,n++),r[s]={line:e,offset:i},n+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return r},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var n=this._styleMap[i];n&&(i=n.line)}return e.Text.prototype.styleHas.call(this,t,i)},isEmptyStyles:function(t){if(!this.styles)return!0;var e,i,n=0,r=!1,s=this._styleMap[t],o=this._styleMap[t+1];for(var a in s&&(t=s.line,n=s.offset),o&&(r=o.line===t,e=o.offset),i=void 0===t?this.styles:{line:this.styles[t]})for(var l in i[a])if(l>=n&&(!r||ln&&!m?(a.push(l),l=[],s=d,m=!0):s+=y,m||o||l.push(f),l=l.concat(h),g=o?0:this._measureWord([f],i,u),u++,m=!1,d>p&&(p=d);return b&&a.push(l),p+r>this.dynamicMinWidth&&(this.dynamicMinWidth=p-y+r),a},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t,e){return 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i,n,r;switch(t.type){case"failed":return{...e,fetchFailureCount:t.failureCount,fetchFailureReason:t.error};case"pause":return{...e,fetchStatus:"paused"};case"continue":return{...e,fetchStatus:"fetching"};case"fetch":return{...e,...(r=e.data,{fetchFailureCount:0,fetchFailureReason:null,fetchStatus:r1(this.options.networkMode)?"fetching":"paused",...void 0===r&&{error:null,status:"pending"}}),fetchMeta:null!=(i=t.meta)?i:null};case"success":let s={...e,data:t.data,dataUpdateCount:e.dataUpdateCount+1,dataUpdatedAt:null!=(n=t.dataUpdatedAt)?n:Date.now(),error:null,isInvalidated:!1,status:"success",...!t.manual&&{fetchStatus:"idle",fetchFailureCount:0,fetchFailureReason:null}};return rk(this,f,t.manual?s:void 0),s;case"error":let o=t.error;return{...e,error:o,errorUpdateCount:e.errorUpdateCount+1,errorUpdatedAt:Date.now(),fetchFailureCount:e.fetchFailureCount+1,fetchFailureReason:o,fetchStatus:"idle",status:"error"};case"invalidate":return{...e,isInvalidated:!0};case"setState":return{...e,...t.state}}};this.state=e(this.state),rQ.batch(()=>{this.observers.forEach(t=>{t.onQueryUpdate()}),rw(this,d).notify({query:this,type:"updated",action:t})})}var r8=(x=new WeakMap,class extends rJ{build(t,e,i){var n;let r=e.queryKey,s=null!=(n=e.queryHash)?n:rL(r,e),o=this.get(s);return o||(o=new r3({client:t,queryKey:r,queryHash:s,options:t.defaultQueryOptions(e),state:i,defaultOptions:t.getQueryDefaults(r)}),this.add(o)),o}add(t){rw(this,x).has(t.queryHash)||(rw(this,x).set(t.queryHash,t),this.notify({type:"added",query:t}))}remove(t){let e=rw(this,x).get(t.queryHash);e&&(t.destroy(),e===t&&rw(this,x).delete(t.queryHash),this.notify({type:"removed",query:t}))}clear(){rQ.batch(()=>{this.getAll().forEach(t=>{this.remove(t)})})}get(t){return rw(this,x).get(t)}getAll(){return[...rw(this,x).values()]}find(t){let e={exact:!0,...t};return this.getAll().find(t=>rF(e,t))}findAll(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},e=this.getAll();return Object.keys(t).length>0?e.filter(e=>rF(t,e)):e}notify(t){rQ.batch(()=>{this.listeners.forEach(e=>{e(t)})})}onFocus(){rQ.batch(()=>{this.getAll().forEach(t=>{t.onFocus()})})}onOnline(){rQ.batch(()=>{this.getAll().forEach(t=>{t.onOnline()})})}constructor(t={}){super(),rO(this,x,{writable:!0,value:void 0}),this.config=t,rk(this,x,new Map)}}),r7=(_=new WeakMap,C=new WeakMap,S=new WeakMap,w=new WeakMap,T=new WeakSet,class extends r4{setOptions(t){this.options=t,this.updateGcTime(this.options.gcTime)}get meta(){return 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Set),rk(this,k,new Map),rk(this,E,0)}});function si(t){var e;return null==(e=t.options.scope)?void 0:e.id}function sn(t){return{onFetch:(e,i)=>{var n,r,s,o,a;let l=e.options,c=null==(s=e.fetchOptions)||null==(r=s.meta)||null==(n=r.fetchMore)?void 0:n.direction,h=(null==(o=e.state.data)?void 0:o.pages)||[],u=(null==(a=e.state.data)?void 0:a.pageParams)||[],f={pages:[],pageParams:[]},d=0,g=async()=>{let i=!1,n=rG(e.options,e.fetchOptions),r=async(t,r,s)=>{if(i)return Promise.reject();if(null==r&&t.pages.length)return Promise.resolve(t);let o=(()=>{let t={client:e.client,queryKey:e.queryKey,pageParam:r,direction:s?"backward":"forward",meta:e.options.meta};return Object.defineProperty(t,"signal",{enumerable:!0,get:()=>(e.signal.aborted?i=!0:e.signal.addEventListener("abort",()=>{i=!0}),e.signal)}),t})(),a=await n(o),{maxPages:l}=e.options,c=s?rz:rX;return{pages:c(t.pages,a,l),pageParams:c(t.pageParams,r,l)}};if(c&&h.length){let t="backward"===c,e={pages:h,pageParams:u},i=(t?function(t,e){var i;let{pages:n,pageParams:r}=e;return n.length>0?null==(i=t.getPreviousPageParam)?void 0:i.call(t,n[0],n,r[0],r):void 0}:sr)(l,e);f=await r(e,i,t)}else{let e=null!=t?t:h.length;do{var s;let t=0===d?null!=(s=u[0])?s:l.initialPageParam:sr(l,f);if(d>0&&null==t)break;f=await r(f,t),d++}while(d{var t,n;return null==(t=(n=e.options).persister)?void 0:t.call(n,g,{client:e.client,queryKey:e.queryKey,meta:e.options.meta,signal:e.signal},i)}:e.fetchFn=g}}}function sr(t,e){let{pages:i,pageParams:n}=e,r=i.length-1;return i.length>0?t.getNextPageParam(i[r],i,n[r],n):void 0}let ss=new(j=new WeakMap,M=new WeakMap,P=new WeakMap,A=new WeakMap,D=new WeakMap,F=new WeakMap,R=new WeakMap,L=new WeakMap,class{mount(){rE(this,F).value++,1===rw(this,F)&&(rk(this,R,r$.subscribe(async t=>{t&&(await this.resumePausedMutations(),rw(this,j).onFocus())})),rk(this,L,rZ.subscribe(async t=>{t&&(await this.resumePausedMutations(),rw(this,j).onOnline())})))}unmount(){var t,e;rE(this,F).value--,0===rw(this,F)&&(null==(t=rw(this,R))||t.call(this),rk(this,R,void 0),null==(e=rw(this,L))||e.call(this),rk(this,L,void 0))}isFetching(t){return rw(this,j).findAll({...t,fetchStatus:"fetching"}).length}isMutating(t){return rw(this,M).findAll({...t,status:"pending"}).length}getQueryData(t){var e;let i=this.defaultQueryOptions({queryKey:t});return null==(e=rw(this,j).get(i.queryHash))?void 0:e.state.data}ensureQueryData(t){let e=this.defaultQueryOptions(t),i=rw(this,j).build(this,e),n=i.state.data;return void 0===n?this.fetchQuery(t):(t.revalidateIfStale&&i.isStaleByTime(rD(e.staleTime,i))&&this.prefetchQuery(e),Promise.resolve(n))}getQueriesData(t){return rw(this,j).findAll(t).map(t=>{let{queryKey:e,state:i}=t;return[e,i.data]})}setQueryData(t,e,i){let n=this.defaultQueryOptions({queryKey:t}),r=rw(this,j).get(n.queryHash),s=null==r?void 0:r.state.data,o="function"==typeof e?e(s):e;if(void 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t.behavior=sn(t.pages),this.ensureQueryData(t)}resumePausedMutations(){return rZ.isOnline()?rw(this,M).resumePausedMutations():Promise.resolve()}getQueryCache(){return rw(this,j)}getMutationCache(){return rw(this,M)}getDefaultOptions(){return rw(this,P)}setDefaultOptions(t){rk(this,P,t)}setQueryDefaults(t,e){rw(this,A).set(rI(t),{queryKey:t,defaultOptions:e})}getQueryDefaults(t){let e=[...rw(this,A).values()],i={};return e.forEach(e=>{rB(t,e.queryKey)&&Object.assign(i,e.defaultOptions)}),i}setMutationDefaults(t,e){rw(this,D).set(rI(t),{mutationKey:t,defaultOptions:e})}getMutationDefaults(t){let e=[...rw(this,D).values()],i={};return e.forEach(e=>{rB(t,e.mutationKey)&&Object.assign(i,e.defaultOptions)}),i}defaultQueryOptions(t){if(t._defaulted)return t;let e={...rw(this,P).queries,...this.getQueryDefaults(t.queryKey),...t,_defaulted:!0};return e.queryHash||(e.queryHash=rL(e.queryKey,e)),void 0===e.refetchOnReconnect&&(e.refetchOnReconnect="always"!==e.networkMode),void 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