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反编译工作区
10 lines
346 KiB
JavaScript
10 lines
346 KiB
JavaScript
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d.appendPoints(l.points),d.appendPoints(c.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={});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+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}e.Color?e.warn("fabric.Color is already defined."):(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]),h=e.util.array.min([t,i,n]);if(o=(a+h)/2,a===h)r=s=0;else{var l=a-h;switch(s=o>.5?l/(2-a-h):l/(a+h),a){case t:r=(i-n)/l+(i<n?6:0);break;case i:r=(n-t)/l+2;break;case 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this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),n=e[3];return t=t||127,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,n]),this},overlayWith:function(t){t instanceof i||(t=new i(t));var e,n=[],r=this.getAlpha(),s=.5,o=this.getSource(),a=t.getSource();for(e=0;e<3;e++)n.push(Math.round(o[e]*(1-s)+a[e]*s));return n[3]=r,this.setSource(n),this}},e.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/i,e.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/i,e.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,e.Color.colorNameMap={aliceblue:"#F0F8FF",antiquewhite:"#FAEBD7",aqua:"#00FFFF",aquamarine:"#7FFFD4",azure:"#F0FFFF",beige:"#F5F5DC",bisque:"#FFE4C4",black:"#000000",blanchedalmond:"#FFEBCD",blue:"#0000FF",blueviolet:"#8A2BE2",brown:"#A52A2A",burlywood:"#DEB887",cadetblue:"#5F9EA0",chartreuse:"#7FFF00",chocolate:"#D2691E",coral:"#FF7F50",cornflowerblue:"#6495ED",cornsilk:"#FFF8DC",crimson:"#DC143C",cyan:"#00FFFF",darkblue:"#00008B",darkcyan:"#008B8B",darkgoldenrod:"#B8860B",darkgray:"#A9A9A9",darkgrey:"#A9A9A9",darkgreen:"#006400",darkkhaki:"#BDB76B",darkmagenta:"#8B008B",darkolivegreen:"#556B2F",darkorange:"#FF8C00",darkorchid:"#9932CC",darkred:"#8B0000",darksalmon:"#E9967A",darkseagreen:"#8FBC8F",darkslateblue:"#483D8B",darkslategray:"#2F4F4F",darkslategrey:"#2F4F4F",darkturquoise:"#00CED1",darkviolet:"#9400D3",deeppink:"#FF1493",deepskyblue:"#00BFFF",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1E90FF",firebrick:"#B22222",floralwhite:"#FFFAF0",forestgreen:"#228B22",fuchsia:"#FF00FF",gainsboro:"#DCDCDC",ghostwhite:"#F8F8FF",gold:"#FFD700",goldenrod:"#DAA520",gray:"#808080",grey:"#808080",green:"#008000",greenyellow:"#ADFF2F",honeydew:"#F0FFF0",hotpink:"#FF69B4",indianred:"#CD5C5C",indigo:"#4B0082",ivory:"#FFFFF0",khaki:"#F0E68C",lavender:"#E6E6FA",lavenderblush:"#FFF0F5",lawngreen:"#7CFC00",lemonchiffon:"#FFFACD",lightblue:"#ADD8E6",lightcoral:"#F08080",lightcyan:"#E0FFFF",lightgoldenrodyellow:"#FAFAD2",lightgray:"#D3D3D3",lightgrey:"#D3D3D3",lightgreen:"#90EE90",lightpink:"#FFB6C1",lightsalmon:"#FFA07A",lightseagreen:"#20B2AA",lightskyblue:"#87CEFA",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#B0C4DE",lightyellow:"#FFFFE0",lime:"#00FF00",limegreen:"#32CD32",linen:"#FAF0E6",magenta:"#FF00FF",maroon:"#800000",mediumaquamarine:"#66CDAA",mediumblue:"#0000CD",mediumorchid:"#BA55D3",mediumpurple:"#9370DB",mediumseagreen:"#3CB371",mediumslateblue:"#7B68EE",mediumspringgreen:"#00FA9A",mediumturquoise:"#48D1CC",mediumvioletred:"#C71585",midnightblue:"#191970",mintcream:"#F5FFFA",mistyrose:"#FFE4E1",moccasin:"#FFE4B5",navajowhite:"#FFDEAD",navy:"#000080",oldlace:"#FDF5E6",olive:"#808000",olivedrab:"#6B8E23",orange:"#FFA500",orangered:"#FF4500",orchid:"#DA70D6",palegoldenrod:"#EEE8AA",palegreen:"#98FB98",paleturquoise:"#AFEEEE",palevioletred:"#DB7093",papayawhip:"#FFEFD5",peachpuff:"#FFDAB9",peru:"#CD853F",pink:"#FFC0CB",plum:"#DDA0DD",powderblue:"#B0E0E6",purple:"#800080",rebeccapurple:"#663399",red:"#FF0000",rosybrown:"#BC8F8F",royalblue:"#4169E1",saddlebrown:"#8B4513",salmon:"#FA8072",sandybrown:"#F4A460",seagreen:"#2E8B57",seashell:"#FFF5EE",sienna:"#A0522D",silver:"#C0C0C0",skyblue:"#87CEEB",slateblue:"#6A5ACD",slategray:"#708090",slategrey:"#708090",snow:"#FFFAFA",springgreen:"#00FF7F",steelblue:"#4682B4",tan:"#D2B48C",teal:"#008080",thistle:"#D8BFD8",tomato:"#FF6347",turquoise:"#40E0D0",violet:"#EE82EE",wheat:"#F5DEB3",white:"#FFFFFF",whitesmoke:"#F5F5F5",yellow:"#FFFF00",yellowgreen:"#9ACD32"},e.Color.fromRgb=function(t){return i.fromSource(i.sourceFromRgb(t))},e.Color.sourceFromRgb=function(t){var e=t.match(i.reRGBa);if(e){var n=parseInt(e[1],10)/(/%$/.test(e[1])?100:1)*(/%$/.test(e[1])?255:1),r=parseInt(e[2],10)/(/%$/.test(e[2])?100:1)*(/%$/.test(e[2])?255:1),s=parseInt(e[3],10)/(/%$/.test(e[3])?100:1)*(/%$/.test(e[3])?255:1);return[parseInt(n,10),parseInt(r,10),parseInt(s,10),e[4]?parseFloat(e[4]):1]}},e.Color.fromRgba=i.fromRgb,e.Color.fromHsl=function(t){return i.fromSource(i.sourceFromHsl(t))},e.Color.sourceFromHsl=function(t){var e=t.match(i.reHSLa);if(e){var r,s,o,a=(parseFloat(e[1])%360+360)%360/360,h=parseFloat(e[2])/(/%$/.test(e[2])?100:1),l=parseFloat(e[3])/(/%$/.test(e[3])?100:1);if(0===h)r=s=o=l;else{var c=l<=.5?l*(h+1):l+h-l*h,u=2*l-c;r=n(u,c,a+1/3),s=n(u,c,a),o=n(u,c,a-1/3)}return[Math.round(255*r),Math.round(255*s),Math.round(255*o),e[4]?parseFloat(e[4]):1]}},e.Color.fromHsla=i.fromHsl,e.Color.fromHex=function(t){return i.fromSource(i.sourceFromHex(t))},e.Color.sourceFromHex=function(t){if(t.match(i.reHex)){var e=t.slice(t.indexOf("#")+1),n=3===e.length||4===e.length,r=8===e.length||4===e.length,s=n?e.charAt(0)+e.charAt(0):e.substring(0,2),o=n?e.charAt(1)+e.charAt(1):e.substring(2,4),a=n?e.charAt(2)+e.charAt(2):e.substring(4,6),h=r?n?e.charAt(3)+e.charAt(3):e.substring(6,8):"FF";return[parseInt(s,16),parseInt(o,16),parseInt(a,16),parseFloat((parseInt(h,16)/255).toFixed(2))]}},e.Color.fromSource=function(t){var e=new i;return e.setSource(t),e})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=["e","se","s","sw","w","nw","n","ne","e"],n=["ns","nesw","ew","nwse"],r={},s="left",o="top",a="right",h="bottom",l="center",c={top:h,bottom:o,left:a,right:s,center:l},u=e.util.radiansToDegrees,f=Math.sign||function(t){return(t>0)-(t<0)||+t};function d(t,e){var i=t.angle+u(Math.atan2(e.y,e.x))+360;return Math.round(i%360/45)}function g(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 p(t,e){var i=e.canvas,n=i.uniScaleKey,r=t[n];return i.uniformScaling&&!r||!i.uniformScaling&&r}function v(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)))}function y(t,e,n){var r="not-allowed",s=p(t,n),o="";if(0!==e.x&&0===e.y?o="x":0===e.x&&0!==e.y&&(o="y"),m(n,o,s))return r;var a=d(n,e);return i[a]+"-resize"}function _(t,e,i){var r="not-allowed";if(0!==e.x&&i.lockSkewingY)return r;if(0!==e.y&&i.lockSkewingX)return r;var s=d(i,e)%4;return n[s]+"-resize"}function b(t,e,i){return t[i.canvas.altActionKey]?r.skewCursorStyleHandler(t,e,i):r.scaleCursorStyleHandler(t,e,i)}function x(t,e,i){var n=t[i.canvas.altActionKey];return 0===e.x?n?"skewX":"scaleY":0===e.y?n?"skewY":"scaleX":void 0}function C(t,e,i){return i.lockRotation?"not-allowed":e.cursorStyle}function 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m=l._getTransformedDimensions().y;l.set("skewX",r),k(l,"skewY","scaleY","y",m),g("skewing",S(t,e,i,n))}return v}function E(t,e,i,n){var r,l=e.target,c=l._getTransformedDimensions(l.skewX,0),f=T(e,e.originX,e.originY,i,n),d=Math.abs(2*f.y)-c.y,p=l.skewY;d<2?r=0:(r=u(Math.atan2(d/l.scaleY,c.x/l.scaleX)),e.originX===s&&e.originY===h&&(r=-r),e.originX===a&&e.originY===o&&(r=-r),O(l)&&(r=-r));var v=p!==r;if(v){var m=l._getTransformedDimensions().x;l.set("skewY",r),k(l,"skewX","scaleX","x",m),g("skewing",S(t,e,i,n))}return v}function A(t,e,i,n){var r,h=e.target,c=h.skewX,u=e.originY;if(h.lockSkewingX)return!1;if(0===c){var f=T(e,l,l,i,n);r=f.x>0?s:a}else c>0&&(r=u===o?s:a),c<0&&(r=u===o?a:s),O(h)&&(r=r===s?a:s);e.originX=r;var d=w(P);return d(t,e,i,n)}function D(t,e,i,n){var r,a=e.target,c=a.skewY,u=e.originX;if(a.lockSkewingY)return!1;if(0===c){var f=T(e,l,l,i,n);r=f.y>0?o:h}else c>0&&(r=u===s?o:h),c<0&&(r=u===s?h:o),O(a)&&(r=r===o?h:o);e.originY=r;var d=w(E);return d(t,e,i,n)}function j(t,e,i,n){var r=e,s=r.target,o=s.translateToOriginPoint(s.getCenterPoint(),r.originX,r.originY);if(s.lockRotation)return!1;var a=Math.atan2(r.ey-o.y,r.ex-o.x),h=Math.atan2(n-o.y,i-o.x),l=u(h-a+r.theta),c=!0;if(s.snapAngle>0){var f=s.snapAngle,d=s.snapThreshold||f,p=Math.ceil(l/f)*f,v=Math.floor(l/f)*f;Math.abs(l-v)<d?l=v:Math.abs(l-p)<d&&(l=p)}return l<0&&(l=360+l),l%=360,c=s.angle!==l,s.angle=l,c&&g("rotating",S(t,e,i,n)),c}function M(t,e,i,n,r){r=r||{};var s,o,a,h,l,u,d=e.target,y=d.lockScalingX,_=d.lockScalingY,b=r.by,x=p(t,d),C=m(d,b,x),w=e.gestureScale;if(C)return!1;if(w)o=e.scaleX*w,a=e.scaleY*w;else{if(s=T(e,e.originX,e.originY,i,n),l="y"!==b?f(s.x):1,u="x"!==b?f(s.y):1,e.signX||(e.signX=l),e.signY||(e.signY=u),d.lockScalingFlip&&(e.signX!==l||e.signY!==u))return!1;if(h=d._getTransformedDimensions(),x&&!b){var O,k=Math.abs(s.x)+Math.abs(s.y),P=e.original,E=Math.abs(h.x*P.scaleX/d.scaleX)+Math.abs(h.y*P.scaleY/d.scaleY),A=k/E;o=P.scaleX*A,a=P.scaleY*A}else 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r=e.target,s=i-e.offsetX,o=n-e.offsetY,a=!r.get("lockMovementX")&&r.left!==s,h=!r.get("lockMovementY")&&r.top!==o;return a&&r.set("left",s),h&&r.set("top",o),(a||h)&&g("moving",S(t,e,i,n)),a||h}r.scaleCursorStyleHandler=y,r.skewCursorStyleHandler=_,r.scaleSkewCursorStyleHandler=b,r.rotationWithSnapping=w(j),r.scalingEqually=w(F),r.scalingX=w(I),r.scalingY=w(L),r.scalingYOrSkewingX=R,r.scalingXOrSkewingY=B,r.changeWidth=w(Y),r.skewHandlerX=A,r.skewHandlerY=D,r.dragHandler=X,r.scaleOrSkewActionName=x,r.rotationStyleHandler=C,r.fireEvent=g,r.wrapWithFixedAnchor=w,r.getLocalPoint=T,e.controlsUtils=r}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians,n=e.controlsUtils;function r(t,e,i,n,r){n=n||{};var s,o=this.sizeX||n.cornerSize||r.cornerSize,a=this.sizeY||n.cornerSize||r.cornerSize,h="undefined"!==typeof 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e=t.fabric||(t.fabric={});function i(t){for(var e in t)this[e]=t[e]}e.Control=i,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&&"undefined"!==typeof i[e]?i[e]:this.visible},setVisibility:function(t){this.visible=t},positionHandler:function(t,i){var n=e.util.transformPoint({x:this.x*t.x+this.offsetX,y:this.y*t.y+this.offsetY},i);return n},calcCornerCoords:function(t,i,n,r,s){var o,a,h,l,c=s?this.touchSizeX:this.sizeX,u=s?this.touchSizeY:this.sizeY;if(c&&u&&c!==u){var f=Math.atan2(u,c),d=Math.sqrt(c*c+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),h=d*e.util.cos(p),l=d*e.util.sin(p)}else{var v=c&&u?c:i;d=.7071067812*v;g=e.util.degreesToRadians(45-t);o=h=d*e.util.cos(g),a=l=d*e.util.sin(g)}return{tl:{x:n-l,y:r-h},tr:{x:n+o,y:r-a},bl:{x:n-o,y:r+a},br:{x:n+l,y:r+h}}},render:function(t,i,n,r,s){switch(r=r||{},r.cornerStyle||s.cornerStyle){case"circle":e.controlsUtils.renderCircleControl.call(this,t,i,n,r,s);break;default:e.controlsUtils.renderSquareControl.call(this,t,i,n,r,s)}}}}(e),function(){function t(t,e){var i,r,s,o,a=t.getAttribute("style"),h=t.getAttribute("offset")||0;if(h=parseFloat(h)/(/%$/.test(h)?100:1),h=h<0?0:h>1?1:h,a){var l=a.split(/\s*;\s*/);for(""===l[l.length-1]&&l.pop(),o=l.length;o--;){var c=l[o].split(/\s*:\s*/),u=c[0].trim(),f=c[1].trim();"stop-color"===u?i=f:"stop-opacity"===u&&(s=f)}}return i||(i=t.getAttribute("stop-color")||"rgb(0,0,0)"),s||(s=t.getAttribute("stop-opacity")),i=new n.Color(i),r=i.getAlpha(),s=isNaN(parseFloat(s))?1:parseFloat(s),s*=r*e,{offset:h,color:i.toRgb(),opacity:s}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}var r=n.util.object.clone;function s(t,e,i,n){var r,s;Object.keys(e).forEach((function(t){r=e[t],"Infinity"===r?s=1:"-Infinity"===r?s=0:(s=parseFloat(e[t],10),"string"===typeof r&&/^(\d+\.\d+)%|(\d+)%$/.test(r)&&(s*=.01,"pixels"===n&&("x1"!==t&&"x2"!==t&&"r2"!==t||(s*=i.viewBoxWidth||i.width),"y1"!==t&&"y2"!==t||(s*=i.viewBoxHeight||i.height)))),e[t]=s}))}n.Gradient=n.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+="_"+n.Object.__uid++:this.id=n.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 n.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 n.util.populateWithProperties(this,e,t),e},toSVG:function(t,e){var i,s,o,a,h=r(this.coords,!0),l=(e=e||{},r(this.colorStops,!0)),c=h.r1>h.r2,u=this.gradientTransform?this.gradientTransform.concat():n.iMatrix.concat(),f=-this.offsetX,d=-this.offsetY,g=!!e.additionalTransform,p="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(l.sort((function(t,e){return t.offset-e.offset})),"objectBoundingBox"===p?(f/=t.width,d/=t.height):(f+=t.width/2,d+=t.height/2),"path"===t.type&&"percentage"!==this.gradientUnits&&(f-=t.pathOffset.x,d-=t.pathOffset.y),u[4]-=f,u[5]-=d,a='id="SVGID_'+this.id+'" gradientUnits="'+p+'"',a+=' gradientTransform="'+(g?e.additionalTransform+" ":"")+n.util.matrixToSVG(u)+'" ',"linear"===this.type?o=["<linearGradient ",a,' x1="',h.x1,'" y1="',h.y1,'" x2="',h.x2,'" y2="',h.y2,'">\n']:"radial"===this.type&&(o=["<radialGradient ",a,' cx="',c?h.x1:h.x2,'" cy="',c?h.y1:h.y2,'" r="',c?h.r1:h.r2,'" fx="',c?h.x2:h.x1,'" fy="',c?h.y2:h.y1,'">\n']),"radial"===this.type){if(c)for(l=l.concat(),l.reverse(),i=0,s=l.length;i<s;i++)l[i].offset=1-l[i].offset;var v=Math.min(h.r1,h.r2);if(v>0){var m=Math.max(h.r1,h.r2),y=v/m;for(i=0,s=l.length;i<s;i++)l[i].offset+=y*(1-l[i].offset)}}for(i=0,s=l.length;i<s;i++){var _=l[i];o.push("<stop ",'offset="',100*_.offset+"%",'" style="stop-color:',_.color,"undefined"!==typeof _.opacity?";stop-opacity: "+_.opacity:";",'"/>\n')}return o.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),o.join("")},toLive:function(t){var e,i,r,s=n.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,r=this.colorStops.length;i<r;i++){var o=this.colorStops[i].color,a=this.colorStops[i].opacity,h=this.colorStops[i].offset;"undefined"!==typeof a&&(o=new n.Color(o).setAlpha(a).toRgba()),e.addColorStop(h,o)}return e}}}),n.util.object.extend(n.Gradient,{fromElement:function(r,o,a,h){var l=parseFloat(a)/(/%$/.test(a)?100:1);l=l<0?0:l>1?1:l,isNaN(l)&&(l=1);var c,u,f,d,g=r.getElementsByTagName("stop"),p="userSpaceOnUse"===r.getAttribute("gradientUnits")?"pixels":"percentage",v=r.getAttribute("gradientTransform")||"",m=[],y=0,_=0;for("linearGradient"===r.nodeName||"LINEARGRADIENT"===r.nodeName?(c="linear",u=e(r)):(c="radial",u=i(r)),f=g.length;f--;)m.push(t(g[f],l));d=n.parseTransformAttribute(v),s(o,u,h,p),"pixels"===p&&(y=-o.left,_=-o.top);var b=new n.Gradient({id:r.getAttribute("id"),type:c,coords:u,colorStops:m,gradientUnits:p,gradientTransform:d,offsetX:y,offsetY:_});return b}})}(),function(){"use strict";var t=n.util.toFixed;n.Pattern=n.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=n.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!==typeof t.source)e&&e(this);else{var i=this;this.source=n.util.createImage(),n.util.loadImage(t.source,(function(t,n){i.source=t,e&&e(i,n)}),null,this.crossOrigin)}},toObject:function(e){var i,r,s=n.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()),r={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},n.util.populateWithProperties(this,r,e),r},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()),'<pattern id="SVGID_'+this.id+'" x="'+r+'" y="'+s+'" width="'+i+'" height="'+n+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e=this.source;if(!e)return"";if("undefined"!==typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;e.Shadow?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)||[],r=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:r.trim(),offsetX:parseInt(n[1],10)||0,offsetY:parseInt(n[2],10)||0,blur:parseInt(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=20,h=new e.Color(this.color);return t.width&&t.height&&(n=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,r=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+r+'%" height="'+(100+2*r)+'%" x="-'+n+'%" width="'+(100+2*n)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+i(this.blur?this.blur/2:0,s)+'"></feGaussianBlur>\n\t<feOffset dx="'+i(o.x,s)+'" dy="'+i(o.y,s)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+h.toRgb()+'" flood-opacity="'+h.getAlpha()+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\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+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/)}(e),function(){"use strict";if(n.StaticCanvas)n.warn("fabric.StaticCanvas is already defined.");else{var t=n.util.object.extend,e=n.util.getElementOffset,i=n.util.removeFromArray,r=n.util.toFixed,s=n.util.transformPoint,o=n.util.invertTransform,a=n.util.getNodeCanvas,h=n.util.createCanvasElement,l=new Error("Could not initialize `canvas` element");n.StaticCanvas=n.util.createClass(n.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:n.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==n.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?n.devicePixelRatio:1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=n.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,r){return"string"===typeof e?n.util.loadImage(e,(function(e,s){if(e){var o=new n.Image(e,r);this[t]=o,o.canvas=this}i&&i(e,s)}),this,r&&r.crossOrigin):(r&&e.setOptions(r),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=h();if(!t)throw l;if(t.style||(t.style={}),"undefined"===typeof t.getContext)throw l;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=n.util.getById(t)||this._createCanvasElement(),n.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;for(var 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._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(this.viewportTransform=t,i=0,n=this._objects.length;i<n;i++)e=this._objects[i],e.group||e.setCoords(!0);return r&&r.setCoords(),s&&s.setCoords(!0),o&&o.setCoords(!0),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(t,e){var i=t,n=this.viewportTransform.slice(0);t=s(t,o(this.viewportTransform)),n[0]=e,n[3]=e;var r=s(t,n);return n[4]+=i.x-r.x,n[5]+=i.y-r.y,this.setViewportTransform(n)},setZoom:function(t){return this.zoomToPoint(new n.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new n.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:up",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var t=this.contextContainer;return this.renderCanvas(t,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||(this.isRendering=n.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,r=o(this.viewportTransform);return t.tl=s({x:0,y:0},r),t.br=s({x:e,y:i},r),t.tr=new n.Point(t.br.x,t.tl.y),t.bl=new n.Point(t.tl.x,t.br.y),this.vptCoords=t,t},cancelRequestedRender:function(){this.isRendering&&(n.util.cancelAnimFrame(this.isRendering),this.isRendering=0)},renderCanvas:function(t,e){var i=this.viewportTransform,r=this.clipPath;this.cancelRequestedRender(),this.calcViewportBoundaries(),this.clearContext(t),n.util.setImageSmoothing(t,this.imageSmoothingEnabled),this.fire("before:render",{ctx:t}),this._renderBackground(t),t.save(),t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),r&&(r.canvas=this,r.shouldCache(),r._transformDone=!0,r.renderCache({forClipping:!0}),this.drawClipPathOnCanvas(t)),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render",{ctx:t})},drawClipPathOnCanvas:function(t){var e=this.viewportTransform,i=this.clipPath;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.globalCompositeOperation="destination-in",i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},_renderObjects:function(t,e){var i,n;for(i=0,n=e.length;i<n;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i=this[e+"Color"],n=this[e+"Image"],r=this.viewportTransform,s=this[e+"Vpt"];if(i||n){if(i){t.save(),t.beginPath(),t.moveTo(0,0),t.lineTo(this.width,0),t.lineTo(this.width,this.height),t.lineTo(0,this.height),t.closePath(),t.fillStyle=i.toLive?i.toLive(t,this):i,s&&t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),t.transform(1,0,0,1,i.offsetX||0,i.offsetY||0);var o=i.gradientTransform||i.patternTransform;o&&t.transform(o[0],o[1],o[2],o[3],o[4],o[5]),t.fill(),t.restore()}n&&(t.save(),s&&t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),n.render(t),t.restore())}},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.height/2,left:this.width/2}},centerObjectH:function(t){return this._centerObject(t,new n.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new n.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new n.Point(e.left,e.top))},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new n.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new n.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=o(this.viewportTransform);return s({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),t.setCoords(),this.renderOnAddRemove&&this.requestRenderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var r=this.clipPath,s={version:n.version,objects:this._toObjects(e,i)};return r&&(s.clipPath=this._toObject(this.clipPath,e,i)),t(s,this.__serializeBgOverlay(e,i)),n.util.populateWithProperties(this,s,i),s},_toObjects:function(t,e){return this._objects.filter((function(t){return!t.excludeFromExport})).map((function(i){return this._toObject(i,t,e)}),this)},_toObject:function(t,e,i){var n;this.includeDefaultValues||(n=t.includeDefaultValues,t.includeDefaultValues=!1);var r=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=n),r},__serializeBgOverlay:function(t,e){var i={},n=this.backgroundImage,r=this.overlayImage;return this.backgroundColor&&(i.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(i.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),n&&!n.excludeFromExport&&(i.backgroundImage=this._toObject(n,t,e)),r&&!r.excludeFromExport&&(i.overlayImage=this._toObject(r,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={}),t.reviver=e;var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this.clipPath&&i.push('<g clip-path="url(#'+this.clipPath.clipPathId+')" >\n'),this._setSVGBgOverlayColor(i,"background"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this.clipPath&&i.push("</g>\n"),this._setSVGBgOverlayColor(i,"overlay"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\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+'" ',h=n.Object.NUM_FRACTION_DIGITS;e.viewBox?a='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,a='viewBox="'+r(-i[4]/i[0],h)+" "+r(-i[5]/i[3],h)+" "+r(this.width/i[0],h)+" "+r(this.height/i[3],h)+'" '),t.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',s,'" ','height="',o,'" ',a,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",n.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"</defs>\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+n.Object.__uid++,'<clipPath id="'+e.clipPathId+'" >\n'+this.clipPath.toClipPathSVG(t.reviver)+"</clipPath>\n"):""},createSVGRefElementsMarkup:function(){var t=this,e=["background","overlay"].map((function(e){var i=t[e+"Color"];if(i&&i.toLive){var r=t[e+"Vpt"],s=t.viewportTransform,o={width:t.width/(r?s[0]:1),height:t.height/(r?s[3]:1)};return i.toSVG(o,{additionalTransform:r?n.util.matrixToSVG(s):""})}}));return e.join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,s,o,a,h,l,c="",u={},f=n.fontPaths,d=[];for(this._objects.forEach((function t(e){d.push(e),e._objects&&e._objects.forEach(t)})),h=0,l=d.length;h<l;h++)if(t=d[h],e=t.fontFamily,-1!==t.type.indexOf("text")&&!u[e]&&f[e]&&(u[e]=!0,t.styles))for(s in i=t.styles,i)for(a in r=i[s],r)o=r[a],e=o.fontFamily,!u[e]&&f[e]&&(u[e]=!0);for(var g in u)c+=["\t\t@font-face {\n","\t\t\tfont-family: '",g,"';\n","\t\t\tsrc: url('",f[g],"');\n","\t\t}\n"].join("");return c&&(c=['\t<style type="text/css">',"<![CDATA[\n",c,"]]>","</style>\n"].join("")),c},_setSVGObjects:function(t,e){var i,n,r,s=this._objects;for(n=0,r=s.length;n<r;n++)i=s[n],i.excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&!this[e].excludeFromExport&&this[e].toSVG&&t.push(this[e].toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e+"Color"],r=this.viewportTransform,s=this.width,o=this.height;if(i)if(i.toLive){var a=i.repeat,h=n.util.invertTransform(r),l=this[e+"Vpt"],c=l?n.util.matrixToSVG(h):"";t.push('<rect transform="'+c+" translate(",s/2,",",o/2,')"',' x="',i.offsetX-s/2,'" y="',i.offsetY-o/2,'" ','width="',"repeat-y"===a||"no-repeat"===a?i.source.width:s,'" height="',"repeat-x"===a||"no-repeat"===a?i.source.height:o,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" width="100%" height="100%" ','fill="',i,'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(r=s._objects,e=r.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(r=s._objects,e=0;e<r.length;e++)n=r[e],i(this._objects,n),this._objects.push(n);else i(this._objects,t),this._objects.push(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(t,e){if(!t)return this;var n,r,s,o,a,h=this._activeObject,l=0;if(t===h&&"activeSelection"===t.type)for(a=h._objects,n=0;n<a.length;n++)r=a[n],s=this._objects.indexOf(r),s>0+l&&(o=s-1,i(this._objects,r),this._objects.splice(o,0,r)),l++;else s=this._objects.indexOf(t),0!==s&&(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){var s=t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t);if(s){n=r;break}}else n=e-1;return n},bringForward:function(t,e){if(!t)return this;var n,r,s,o,a,h=this._activeObject,l=0;if(t===h&&"activeSelection"===t.type)for(a=h._objects,n=a.length;n--;)r=a[n],s=this._objects.indexOf(r),s<this._objects.length-1-l&&(o=s+1,i(this._objects,r),this._objects.splice(o,0,r)),l++;else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(t,e,i){var n,r,s;if(i)for(n=e,r=e+1,s=this._objects.length;r<s;++r){var o=t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t);if(o){n=r;break}}else n=e+1;return n},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&(n.util.cancelAnimFrame(this.isRendering),this.isRendering=0),this.forEachObject((function(t){t.dispose&&t.dispose()})),this._objects=[],this.backgroundImage&&this.backgroundImage.dispose&&this.backgroundImage.dispose(),this.backgroundImage=null,this.overlayImage&&this.overlayImage.dispose&&this.overlayImage.dispose(),this.overlayImage=null,this._iTextInstances=null,this.contextContainer=null,n.util.cleanUpJsdomNode(this.lowerCanvasEl),this.lowerCanvasEl=void 0,this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this._objects.length+" }>"}}),t(n.StaticCanvas.prototype,n.Observable),t(n.StaticCanvas.prototype,n.Collection),t(n.StaticCanvas.prototype,n.DataURLExporter),t(n.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=h();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"setLineDash":return"undefined"!==typeof i.setLineDash;default:return null}}}),n.StaticCanvas.prototype.toJSON=n.StaticCanvas.prototype.toObject,n.isLikelyNode&&(n.StaticCanvas.prototype.createPNGStream=function(){var t=a(this.lowerCanvasEl);return t&&t.createPNGStream()},n.StaticCanvas.prototype.createJPEGStream=function(t){var e=a(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}}(),n.BaseBrush=n.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,n.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas,e=this.shadow,i=t.contextTop,r=t.getZoom();t&&t._isRetinaScaling()&&(r*=n.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*r,i.shadowOffsetX=e.offsetX*r,i.shadowOffsetY=e.offsetY*r}},needsFullRender:function(){var t=new n.Color(this.color);return t.getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){n.PencilBrush=n.util.createClass(n.BaseBrush,{decimate:.4,initialize:function(t){this.canvas=t,this._points=[]},_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._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&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.oldEnd=void 0,this._finalizeAndAddPath(),!1)},_prepareForDrawing:function(t){var e=new n.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._points.push(t),!0)},_reset:function(){this._points=[],this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new n.Point(t.x,t.y);return this._addPoint(e)},_render:function(){var t,e,i=this.canvas.contextTop,r=this._points[0],s=this._points[1];if(this._saveAndTransform(i),i.beginPath(),2===this._points.length&&r.x===s.x&&r.y===s.y){var o=this.width/1e3;r=new n.Point(r.x,r.y),s=new n.Point(s.x,s.y),r.x-=o,s.x+=o}for(i.moveTo(r.x,r.y),t=1,e=this._points.length;t<e;t++)this._drawSegment(i,r,s),r=this._points[t],s=this._points[t+1];i.lineTo(r.x,r.y),i.stroke(),i.restore()},convertPointsToSVGPath:function(t){var e,i=[],r=this.width/1e3,s=new n.Point(t[0].x,t[0].y),o=new n.Point(t[1].x,t[1].y),a=t.length,h=1,l=0,c=a>2;for(c&&(h=t[2].x<o.x?-1:t[2].x===o.x?0:1,l=t[2].y<o.y?-1:t[2].y===o.y?0:1),i.push("M ",s.x-h*r," ",s.y-l*r," "),e=1;e<a;e++){if(!s.eq(o)){var u=s.midPointFrom(o);i.push("Q ",s.x," ",s.y," ",u.x," ",u.y," ")}s=t[e],e+1<t.length&&(o=t[e+1])}return c&&(h=s.x>t[e-2].x?1:s.x===t[e-2].x?0:-1,l=s.y>t[e-2].y?1:s.y===t[e-2].y?0:-1),i.push("L ",s.x+h*r," ",s.y+l*r),i},createPath:function(t){var e=new n.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeMiterLimit:this.strokeMiterLimit,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray});return this.shadow&&(this.shadow.affectStroke=!0,e.shadow=new n.Shadow(this.shadow)),e},decimatePoints:function(t,e){if(t.length<=2)return t;var i,r,s=this.canvas.getZoom(),o=Math.pow(e/s,2),a=t.length-1,h=t[0],l=[h];for(i=1;i<a;i++)r=Math.pow(h.x-t[i].x,2)+Math.pow(h.y-t[i].y,2),r>=o&&(h=t[i],l.push(h));return 1===l.length&&l.push(new n.Point(l[0].x,l[0].y)),l},_finalizeAndAddPath:function(){var t=this.canvas.contextTop;t.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var e=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"!==e){var i=this.createPath(e);this.canvas.clearContext(this.canvas.contextTop),this.canvas.fire("before:path:created",{path:i}),this.canvas.add(i),this.canvas.requestRenderAll(),i.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:i})}else this.canvas.requestRenderAll()}})}(),n.CircleBrush=n.util.createClass(n.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;t<e;t++)this.dot(i,n[t]);i.restore()},onMouseMove:function(t){this.needsFullRender()?(this.canvas.clearContext(this.canvas.contextTop),this.addPoint(t),this._render()):this.drawDot(t)},onMouseUp:function(){var t,e,i=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var r=[];for(t=0,e=this.points.length;t<e;t++){var s=this.points[t],o=new n.Circle({radius:s.radius,left:s.x,top:s.y,originX:"center",originY:"center",fill:s.fill});this.shadow&&(o.shadow=new n.Shadow(this.shadow)),r.push(o)}var a=new n.Group(r);a.canvas=this.canvas,this.canvas.fire("before:path:created",{path:a}),this.canvas.add(a),this.canvas.fire("path:created",{path:a}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=i,this.canvas.requestRenderAll()},addPoint:function(t){var e=new n.Point(t.x,t.y),i=n.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new n.Color(this.color).setAlpha(n.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=r,this.points.push(e),e}}),n.SprayBrush=n.util.createClass(n.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseMove:function(t){this.addSprayChunk(t),this.render(this.sprayChunkPoints)},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;i<r;i++)for(var s=this.sprayChunks[i],o=0,a=s.length;o<a;o++){var h=new n.Rect({width:s[o].width,height:s[o].width,left:s[o].x+1,top:s[o].y+1,originX:"center",originY:"center",fill:this.color});e.push(h)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var l=new n.Group(e);this.shadow&&l.set("shadow",new n.Shadow(this.shadow)),this.canvas.fire("before:path:created",{path:l}),this.canvas.add(l),this.canvas.fire("path:created",{path:l}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.requestRenderAll()},_getOptimizedRects:function(t){var e,i,n,r={};for(i=0,n=t.length;i<n;i++)e=t[i].left+""+t[i].top,r[e]||(r[e]=t[i]);var s=[];for(e in r)s.push(r[e]);return s},render:function(t){var e,i,n=this.canvas.contextTop;for(n.fillStyle=this.color,this._saveAndTransform(n),e=0,i=t.length;e<i;e++){var r=t[e];"undefined"!==typeof r.opacity&&(n.globalAlpha=r.opacity),n.fillRect(r.x,r.y,r.width,r.width)}n.restore()},_render:function(){var t,e,i=this.canvas.contextTop;for(i.fillStyle=this.color,this._saveAndTransform(i),t=0,e=this.sprayChunks.length;t<e;t++)this.render(this.sprayChunks[t]);i.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];var e,i,r,s,o=this.width/2;for(s=0;s<this.density;s++){e=n.util.getRandomInt(t.x-o,t.x+o),i=n.util.getRandomInt(t.y-o,t.y+o),r=this.dotWidthVariance?n.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var a=new n.Point(e,i);a.width=r,this.randomOpacity&&(a.opacity=n.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(a)}this.sprayChunks.push(this.sprayChunkPoints)}}),n.PatternBrush=n.util.createClass(n.PencilBrush,{getPatternSrc:function(){var t=20,e=5,i=n.util.createCanvasElement(),r=i.getContext("2d");return i.width=i.height=t+e,r.fillStyle=this.color,r.beginPath(),r.arc(t/2,t/2,t/2,0,2*Math.PI,!1),r.closePath(),r.fill(),i},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new n.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var t=n.util.getPointer,e=n.util.degreesToRadians,i=Math.abs,r=n.StaticCanvas.supports("setLineDash"),s=n.util.isTouchEvent,o=.5;for(var a in n.Canvas=n.util.createClass(n.StaticCanvas,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniformScaling:!0,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,selectionFullyContained:!1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",notAllowedCursor:"not-allowed",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,targets:[],_hoveredTarget:null,_hoveredTargets:[],_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=n.PencilBrush&&new n.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e,i,n=this.getActiveObjects();if(n.length>0&&!this.preserveObjectStacking){e=[],i=[];for(var r=0,s=this._objects.length;r<s;r++)t=this._objects[r],-1===n.indexOf(t)?e.push(t):i.push(t);n.length>1&&(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);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(),r=n.util.invertTransform(i),s=this.restorePointerVpt(e);return n.util.transformPoint(s,r)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var r=this._normalizePointer(t,{x:e,y:i}),s=Math.max(t.cacheTranslationX+r.x*t.zoomX,0),o=Math.max(t.cacheTranslationY+r.y*t.zoomY,0),a=n.util.isTransparent(t._cacheContext,Math.round(s),Math.round(o),this.targetFindTolerance);return a}var h=this.contextCache,l=t.selectionBackgroundColor,c=this.viewportTransform;t.selectionBackgroundColor="",this.clearContext(h),h.save(),h.transform(c[0],c[1],c[2],c[3],c[4],c[5]),t.render(h),h.restore(),t===this._activeObject&&t._renderControls(h,{hasBorders:!1,transparentCorners:!1},{hasBorders:!1}),t.selectionBackgroundColor=l;a=n.util.isTransparent(h,e,i,this.targetFindTolerance);return a},_isSelectionKeyPressed:function(t){var e=!1;return e="[object Array]"===Object.prototype.toString.call(this.selectionKey)?!!this.selectionKey.find((function(e){return!0===t[e]})):t[this.selectionKey],e},_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,r){if(i){var s=this.getPointer(t),o=i.__corner,a=i.controls[o],h=r&&o?a.getActionHandler(t,i,a):n.controlsUtils.dragHandler,l=this._getActionFromCorner(r,o,t,i),c=this._getOriginFromCorner(i,o),u=t[this.centeredKey],f={target:i,action:l,actionHandler:h,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:c.x,originY:c.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:n.util.saveObjectTransform(i)};this._shouldCenterTransform(i,l,u)&&(f.originX="center",f.originY="center"),f.original.originX=c.x,f.original.originY=c.y,this._currentTransform=f,this._beforeTransform(t)}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,s=e.left,a=e.top,h=i(s),l=i(a);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(s>0?0:-s),e.ey-(a>0?0:-a),h,l)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!r){var c=e.ex+o-(s>0?0:h),u=e.ey+o-(a>0?0:l);t.beginPath(),n.util.drawDashedLine(t,c,u,c+h,u,this.selectionDashArray),n.util.drawDashedLine(t,c,u+l-1,c+h,u+l-1,this.selectionDashArray),n.util.drawDashedLine(t,c,u,c,u+l,this.selectionDashArray),n.util.drawDashedLine(t,c+h-1,u,c+h-1,u+l,this.selectionDashArray),t.closePath(),t.stroke()}else n.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(s>0?0:h),e.ey+o-(a>0?0:l),h,l)},findTarget:function(t,e){if(!this.skipTargetFind){var i,n,r=!0,o=this.getPointer(t,r),a=this._activeObject,h=this.getActiveObjects(),l=s(t);if(this.targets=[],h.length>1&&!e&&a===this._searchPossibleTargets([a],o))return a;if(1===h.length&&a._findTargetCorner(o,l))return a;if(1===h.length&&a===this._searchPossibleTargets([a],o)){if(!this.preserveObjectStacking)return a;i=a,n=this.targets,this.targets=[]}var c=this._searchPossibleTargets(this._objects,o);return t[this.altSelectionKey]&&c&&i&&c!==i&&(c=i,this.targets=n),c}},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&(e.containsPoint(t)||e._findTargetCorner(t))){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var n=this.isTargetTransparent(e,i.x,i.y);if(!n)return!0}},_searchPossibleTargets:function(t,e){var i,r,s=t.length;while(s--){var o=t[s],a=o.group?this._normalizePointer(o.group,e):e;if(this._checkTarget(a,o,e)){i=t[s],i.subTargetCheck&&i instanceof n.Group&&(r=this._searchPossibleTargets(i._objects,e),r&&this.targets.push(r));break}}return i},restorePointerVpt:function(t){return n.util.transformPoint(t,n.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,h=o.height||0;a&&h||("top"in o&&"bottom"in o&&(h=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 l=this.getRetinaScaling();return 1!==l&&(r.x/=l,r.y/=l),n=0===a||0===h?{width:1,height:1}:{width:s.width/a,height:s.height/h},{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),n.util.addClass(i,"upper-canvas "+t),this.wrapperEl.appendChild(i),this._copyCanvasStyle(e,i),this._applyCanvasStyle(i),this.contextTop=i.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=n.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),n.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),n.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;n.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,n.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;return t?"activeSelection"===t.type&&t._objects?t._objects.slice(0):[t]:[]},_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=[],o={e:e};t.forEach((function(t){-1===n.indexOf(t)&&(i=!0,t.fire("deselected",o),s.push(t))})),n.forEach((function(e){-1===t.indexOf(e)&&(i=!0,e.fire("selected",o),r.push(e))})),t.length>0&&n.length>0?(o.selected=r,o.deselected=s,o.updated=r[0]||s[0],o.target=this._activeObject,i&&this.fire("selection:updated",o)):n.length>0?(o.selected=r,o.target=this._activeObject,this.fire("selection:created",o)):t.length>0&&(o.deselected=s,this.fire("selection:cleared",o))},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){n.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,n.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){var e=["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"],i={};return e.forEach((function(e){i[e]=t[e]})),this._activeObject.realizeTransform(t),i}return null},_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(),n.StaticCanvas.prototype.setViewportTransform.call(this,t)}}),n.StaticCanvas)"prototype"!==a&&(n.Canvas[a]=n.StaticCanvas[a])}(),function(){var t=n.util.addListener,e=n.util.removeListener,i=3,r=2,s=1,o={passive:!1};function a(t,e){return t.button&&t.button===e-1}n.util.object.extend(n.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 i=this.upperCanvasEl,r=this._getEventPrefix();t(n.window,"resize",this._onResize),t(i,r+"down",this._onMouseDown),t(i,r+"move",this._onMouseMove,o),t(i,r+"out",this._onMouseOut),t(i,r+"enter",this._onMouseEnter),t(i,"wheel",this._onMouseWheel),t(i,"contextmenu",this._onContextMenu),t(i,"dblclick",this._onDoubleClick),t(i,"dragover",this._onDragOver),t(i,"dragenter",this._onDragEnter),t(i,"dragleave",this._onDragLeave),t(i,"drop",this._onDrop),this.enablePointerEvents||t(i,"touchstart",this._onTouchStart,o),"undefined"!==typeof eventjs&&e in eventjs&&(eventjs[e](i,"gesture",this._onGesture),eventjs[e](i,"drag",this._onDrag),eventjs[e](i,"orientation",this._onOrientationChange),eventjs[e](i,"shake",this._onShake),eventjs[e](i,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(e,"remove");var t=this._getEventPrefix();e(n.document,t+"up",this._onMouseUp),e(n.document,"touchend",this._onTouchEnd,o),e(n.document,t+"move",this._onMouseMove,o),e(n.document,"touchmove",this._onMouseMove,o)},_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._simpleEventHandler.bind(this,"drop"),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(n){i.fire("mouse:out",{target:e,e:t}),n&&e.fire("mouseout",{e:t})})),this._hoveredTargets=[],this._iTextInstances&&this._iTextInstances.forEach((function(t){t.isEditing&&t.hiddenTextarea.focus()}))},_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)},_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(i){i.preventDefault(),null===this.mainTouchId&&(this.mainTouchId=this.getPointerId(i)),this.__onMouseDown(i),this._resetTransformEventData();var r=this.upperCanvasEl,s=this._getEventPrefix();t(n.document,"touchend",this._onTouchEnd,o),t(n.document,"touchmove",this._onMouseMove,o),e(r,s+"down",this._onMouseDown)},_onMouseDown:function(i){this.__onMouseDown(i),this._resetTransformEventData();var r=this.upperCanvasEl,s=this._getEventPrefix();e(r,s+"move",this._onMouseMove,o),t(n.document,s+"up",this._onMouseUp),t(n.document,s+"move",this._onMouseMove,o)},_onTouchEnd:function(i){if(!(i.touches.length>0)){this.__onMouseUp(i),this._resetTransformEventData(),this.mainTouchId=null;var r=this._getEventPrefix();e(n.document,"touchend",this._onTouchEnd,o),e(n.document,"touchmove",this._onMouseMove,o);var s=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout((function(){t(s.upperCanvasEl,r+"down",s._onMouseDown),s._willAddMouseDown=0}),400)}},_onMouseUp:function(i){this.__onMouseUp(i),this._resetTransformEventData();var r=this.upperCanvasEl,s=this._getEventPrefix();this._isMainEvent(i)&&(e(n.document,s+"up",this._onMouseUp),e(n.document,s+"move",this._onMouseMove,o),t(r,s+"move",this._onMouseMove,o))},_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,o=this._currentTransform,h=this._groupSelector,l=!1,c=!h||0===h.left&&0===h.top;if(this._cacheTransformEventData(t),e=this._target,this._handleEvent(t,"up:before"),a(t,i))this.fireRightClick&&this._handleEvent(t,"up",i,c);else{if(a(t,r))return this.fireMiddleClick&&this._handleEvent(t,"up",r,c),void this._resetTransformEventData();if(this.isDrawingMode&&this._isCurrentlyDrawing)this._onMouseUpInDrawingMode(t);else if(this._isMainEvent(t)){if(o&&(this._finalizeCurrentTransform(t),l=o.actionPerformed),!c){var u=e===this._activeObject;this._maybeGroupObjects(t),l||(l=this._shouldRender(e)||!u&&e===this._activeObject)}if(e){var f=e._findTargetCorner(this.getPointer(t,!0),n.util.isTouchEvent(t)),d=e.controls[f],g=d&&d.getMouseUpHandler(t,e,d);if(g){var p=this.getPointer(t);g(t,o,p.x,p.y)}e.isMoving=!1}this._setCursorFromEvent(t,e),this._handleEvent(t,"up",s,c),this._groupSelector=null,this._currentTransform=null,e&&(e.__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;s<n.length;s++)n[s].fire(t,r);return i},_handleEvent:function(t,e,i,n){var r=this._target,o=this.targets||[],a={e:t,target:r,subTargets:o,button:i||s,isClick:n||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};"up"===e&&(a.currentTarget=this.findTarget(t),a.currentSubTargets=this.targets),this.fire("mouse:"+e,a),r&&r.fire("mouse"+e,a);for(var h=0;h<o.length;h++)o[h].fire("mouse"+e,a)},_finalizeCurrentTransform:function(t){var e,i=this._currentTransform,n=i.target,r={e:t,target:n,transform:i,action:i.action};n._scaling&&(n._scaling=!1),n.setCoords(),(i.actionPerformed||this.stateful&&n.hasStateChanged())&&(i.actionPerformed&&(e=this._addEventOptions(r,i),this._fire(e,r)),this._fire("modified",r))},_addEventOptions:function(t,e){var i,n;switch(e.action){case"scaleX":i="scaled",n="x";break;case"scaleY":i="scaled",n="y";break;case"skewX":i="skewed",n="x";break;case"skewY":i="skewed",n="y";break;case"scale":i="scaled",n="equally";break;case"rotate":i="rotated";break;case"drag":i="moved";break}return t.by=n,i},_onMouseDownInDrawingMode:function(t){this._isCurrentlyDrawing=!0,this.getActiveObject()&&this.discardActiveObject(t).requestRenderAll();var e=this.getPointer(t);this.freeDrawingBrush.onMouseDown(e,{e:t,pointer:e}),this._handleEvent(t,"down")},_onMouseMoveInDrawingMode:function(t){if(this._isCurrentlyDrawing){var e=this.getPointer(t);this.freeDrawingBrush.onMouseMove(e,{e:t,pointer:e})}this.setCursor(this.freeDrawingCursor),this._handleEvent(t,"move")},_onMouseUpInDrawingMode:function(t){var e=this.getPointer(t);this._isCurrentlyDrawing=this.freeDrawingBrush.onMouseUp({e:t,pointer:e}),this._handleEvent(t,"up")},__onMouseDown:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"down:before");var e=this._target;if(a(t,i))this.fireRightClick&&this._handleEvent(t,"down",i);else if(a(t,r))this.fireMiddleClick&&this._handleEvent(t,"down",r);else if(this.isDrawingMode)this._onMouseDownInDrawingMode(t);else if(this._isMainEvent(t)&&!this._currentTransform){var s=this._pointer;this._previousPointer=s;var o=this._shouldRender(e),h=this._shouldGroup(t,e);if(this._shouldClearSelection(t,e)?this.discardActiveObject(t):h&&(this._handleGrouping(t,e),e=this._activeObject),!this.selection||e&&(e.selectable||e.isEditing||e===this._activeObject)||(this._groupSelector={ex:s.x,ey:s.y,top:0,left:0}),e){var l=e===this._activeObject;e.selectable&&this.setActiveObject(e,t);var c=e._findTargetCorner(this.getPointer(t,!0),n.util.isTouchEvent(t));if(e.__corner=c,e===this._activeObject&&(c||!h)){this._setupCurrentTransform(t,e,l);var u=e.controls[c],f=(s=this.getPointer(t),u&&u.getMouseDownHandler(t,e,u));f&&f(t,this._currentTransform,s.x,s.y)}}this._handleEvent(t,"down"),(o||h)&&this.requestRenderAll()}},_resetTransformEventData:function(){this._target=null,this._pointer=null,this._absolutePointer=null},_cacheTransformEventData:function(t){this._resetTransformEventData(),this._pointer=this.getPointer(t,!0),this._absolutePointer=this.restorePointerVpt(this._pointer),this._target=this._currentTransform?this._currentTransform.target:this.findTarget(t)||null},_beforeTransform:function(t){var e=this._currentTransform;this.stateful&&e.target.saveState(),this.fire("before:transform",{e:t,transform:e})},__onMouseMove:function(t){var e,i;if(this._handleEvent(t,"move:before"),this._cacheTransformEventData(t),this.isDrawingMode)this._onMouseMoveInDrawingMode(t);else if(this._isMainEvent(t)){var n=this._groupSelector;n?(i=this._pointer,n.left=i.x-n.ex,n.top=i.y-n.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t)||null,this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move"),this._resetTransformEventData()}},_fireOverOutEvents:function(t,e){var i=this._hoveredTarget,n=this._hoveredTargets,r=this.targets,s=Math.max(n.length,r.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"mouseout",canvasEvtOut:"mouse:out",evtIn:"mouseover",canvasEvtIn:"mouse:over"});for(var o=0;o<s;o++)this.fireSyntheticInOutEvents(r[o],e,{oldTarget:n[o],evtOut:"mouseout",evtIn:"mouseover"});this._hoveredTarget=t,this._hoveredTargets=this.targets.concat()},_fireEnterLeaveEvents:function(t,e){var i=this._draggedoverTarget,n=this._hoveredTargets,r=this.targets,s=Math.max(n.length,r.length);this.fireSyntheticInOutEvents(t,e,{oldTarget:i,evtOut:"dragleave",evtIn:"dragenter"});for(var o=0;o<s;o++)this.fireSyntheticInOutEvents(r[o],e,{oldTarget:n[o],evtOut:"dragleave",evtIn:"dragenter"});this._draggedoverTarget=t},fireSyntheticInOutEvents:function(t,e,i){var n,r,s,o,a=i.oldTarget,h=a!==t,l=i.canvasEvtIn,c=i.canvasEvtOut;h&&(n={e:e,target:t,previousTarget:a},r={e:e,target:a,nextTarget:t}),o=t&&h,s=a&&h,s&&(c&&this.fire(c,r),a.fire(i.evtOut,r)),o&&(l&&this.fire(l,n),t.fire(i.evtIn,n))},__onMouseWheel:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"wheel"),this._resetTransformEventData()},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var n=i.x,r=i.y,s=e.action,o=!1,a=e.actionHandler;a&&(o=a(t,e,n,r)),"drag"===s&&o&&this.setCursor(e.target.moveCursor||this.moveCursor),e.actionPerformed=e.actionPerformed||o},_fire:n.controlsUtils.fireEvent,_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,n=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,r=(!n||!n.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));r?this.setCursor(this.getCornerCursor(r,e,t)):(e.subTargetCheck&&this.targets.concat().reverse().map((function(t){i=t.hoverCursor||i})),this.setCursor(i))},getCornerCursor:function(t,e,i){var n=e.controls[t];return n.cursorStyleHandler(i,n,e)}})}(),function(){var t=Math.min,e=Math.max;n.util.object.extend(n.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&this._isSelectionKeyPressed(t)&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)&&!e.onSelect({e:t})},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0),e&&e.selectable))&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject,n=i._objects.slice(0);i.contains(t)?(i.removeWithUpdate(t),this._hoveredTarget=t,this._hoveredTargets=this.targets.concat(),1===i.size()&&this._setActiveObject(i.item(0),e)):(i.addWithUpdate(t),this._hoveredTarget=i,this._hoveredTargets=this.targets.concat()),this._fireSelectionEvents(n,e)},_createActiveSelection:function(t,e){var i=this.getActiveObjects(),n=this._createGroup(t);this._hoveredTarget=n,this._setActiveObject(n,e),this._fireSelectionEvents(i,e)},_createGroup:function(t){var e=this._objects,i=e.indexOf(this._activeObject)<e.indexOf(t),r=i?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new n.ActiveSelection(r,{canvas:this})},_groupSelectedObjects:function(t){var e,i=this._collectObjects(t);1===i.length?this.setActiveObject(i[0],t):i.length>1&&(e=new n.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(i){for(var r,s=[],o=this._groupSelector.ex,a=this._groupSelector.ey,h=o+this._groupSelector.left,l=a+this._groupSelector.top,c=new n.Point(t(o,h),t(a,l)),u=new n.Point(e(o,h),e(a,l)),f=!this.selectionFullyContained,d=o===h&&a===l,g=this._objects.length;g--;)if(r=this._objects[g],r&&r.selectable&&r.visible&&(f&&r.intersectsWithRect(c,u)||r.isContainedWithinRect(c,u)||f&&r.containsPoint(c)||f&&r.containsPoint(u))&&(s.push(r),d))break;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}})}(),function(){n.util.object.extend(n.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),s=this.toCanvasElement(r,t);return n.util.toDataURL(s,e,i)},toCanvasElement:function(t,e){t=t||1,e=e||{};var i=(e.width||this.width)*t,r=(e.height||this.height)*t,s=this.getZoom(),o=this.width,a=this.height,h=s*t,l=this.viewportTransform,c=(l[4]-(e.left||0))*t,u=(l[5]-(e.top||0))*t,f=this.interactive,d=[h,0,0,h,c,u],g=this.enableRetinaScaling,p=n.util.createCanvasElement(),v=this.contextTop;return p.width=i,p.height=r,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=d,this.width=i,this.height=r,this.calcViewportBoundaries(),this.renderCanvas(p.getContext("2d"),this._objects),this.viewportTransform=l,this.width=o,this.height=a,this.calcViewportBoundaries(),this.interactive=f,this.enableRetinaScaling=g,this.contextTop=v,p}})}(),n.util.object.extend(n.StaticCanvas.prototype,{loadFromJSON:function(t,e,i){if(t){var r="string"===typeof t?JSON.parse(t):n.util.object.clone(t),s=this,o=r.clipPath,a=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete r.clipPath,this._enlivenObjects(r.objects,(function(t){s.clear(),s._setBgOverlay(r,(function(){o?s._enlivenObjects([o],(function(i){s.clipPath=i[0],s.__setupCanvas.call(s,r,t,a,e)})):s.__setupCanvas.call(s,r,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){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)}else e&&e()},__setBgOverlay:function(t,e,i,r){var s=this;if(!e)return i[t]=!0,void(r&&r());"backgroundImage"===t||"overlayImage"===t?n.util.enlivenObjects([e],(function(e){s[t]=e[0],i[t]=!0,r&&r()})):this["set"+n.util.string.capitalize(t,!0)](e,(function(){i[t]=!0,r&&r()}))},_enlivenObjects:function(t,e,i){t&&0!==t.length?n.util.enlivenObjects(t,(function(t){e&&e(t)}),null,i):e&&e([])},_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=n.util.createCanvasElement();e.width=this.width,e.height=this.height;var i=new n.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.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode,l=2;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:h,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",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 n<o&&(t.width=o),r<o&&(t.height=o),t;var a=n/r,h=e.util.limitDimsByArea(a,i),l=e.util.capValue,c=l(o,h.x,s),u=l(o,h.y,s);return n>c&&(t.zoomX/=n/c,t.width=c,t.capped=!0),r>u&&(t.zoomY/=r/u,t.height=u,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:i+l,height:n+l,zoomX:t.scaleX,zoomY:t.scaleY,x:i,y:n}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var i=t._currentTransform.target,n=t._currentTransform.action;if(this===i&&n.slice&&"scale"===n.slice(0,5))return!1}var r,s,o=this._cacheCanvas,a=this._limitCacheSize(this._getCacheCanvasDimensions()),h=e.minCacheSideLimit,l=a.width,c=a.height,u=a.zoomX,f=a.zoomY,d=l!==this.cacheWidth||c!==this.cacheHeight,g=this.zoomX!==u||this.zoomY!==f,p=d||g,v=0,m=0,y=!1;if(d){var _=this._cacheCanvas.width,b=this._cacheCanvas.height,x=l>_||c>b,C=(l<.9*_||c<.9*b)&&_>h&&b>h;y=x||C,x&&!a.capped&&(l>h||c>h)&&(v=.1*l,m=.1*c)}return!!p&&(y?(o.width=Math.ceil(l+v),o.height=Math.ceil(c+m)):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,o.width,o.height)),r=a.x/2,s=a.y/2,this.cacheTranslationX=Math.round(o.width/2-r)+r,this.cacheTranslationY=Math.round(o.height/2-s)+s,this.cacheWidth=l,this.cacheHeight=c,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(u,f),this.zoomX=u,this.zoomY=f,!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&&(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,n=i.stateProperties;return n.forEach((function(e){if("left"!==e&&"top"!==e){t[e]===i[e]&&delete t[e];var n="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);n&&0===t[e].length&&0===i[e].length&&delete t[e]}})),t},toString:function(){return"#<fabric."+s(this.type)+">"},getObjectScaling:function(){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._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,t.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=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){var i=this.clipPath;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.fill=i,this.stroke=n},_drawClipPath:function(t){var e=this.clipPath;e&&(e.canvas=this.canvas,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCache(t))},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&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!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.gradientTrasnform||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,i){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var n,r,s,a=this.getViewportTransform(),h=this.calcTransformMatrix();i=i||{},r="undefined"!==typeof i.hasBorders?i.hasBorders:this.hasBorders,s="undefined"!==typeof i.hasControls?i.hasControls:this.hasControls,h=e.util.multiplyTransformMatrices(a,h),n=e.util.qrDecompose(h),t.save(),t.translate(n.translateX,n.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),i.forActiveSelection?(t.rotate(o(n.angle)),r&&this.drawBordersInGroup(t,n,i)):(t.rotate(o(this.angle)),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._renderDashedStroke),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,h=r.y/this.scaleY/o;s.width=a,s.height=h,n=s.getContext("2d"),n.beginPath(),n.moveTo(0,0),n.lineTo(a,0),n.lineTo(a,h),n.lineTo(0,h),n.closePath(),n.translate(a/2,h/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 h,l,c,u,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),g=this.shadow,p={x:0,y:0};g&&(l=g.blur,h=g.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),p.x=2*Math.round(o(g.offsetX)+l)*o(h.scaleX),p.y=2*Math.round(o(g.offsetY)+l)*o(h.scaleY)),c=d.width+p.x,u=d.height+p.y,f.width=Math.ceil(c),f.height=Math.ceil(u);var v=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(v.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(v.width/2,v.height/2),"center","center");var m=this.canvas;v.add(this);var y=v.toCanvasElement(a||1,t);return this.shadow=s,this.set("canvas",m),r&&(this.group=r),this.set(n).setCoords(),v._objects=[],v.dispose(),v=null,y},toDataURL:function(t){return t||(t={}),e.util.toDataURL(this.toCanvasElement(t),t.format||"png",t.quality||1)},isType:function(t){return 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)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,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){"undefined"!==typeof t[0]&&(i.fill=t[0]),"undefined"!==typeof t[1]&&(i.stroke=t[1]),e.util.enlivenObjects([i.clipPath],(function(t){i.clipPath=t[0];var e=s?new o(i[s],i):new o(i);r&&r(e)}))}))},e.Object.__uid=0)}(e),function(){var t=n.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};n.util.object.extend(n.Object.prototype,{translateToGivenOrigin:function(t,r,s,o,a){var h,l,c,u=t.x,f=t.y;return"string"===typeof r?r=e[r]:r-=.5,"string"===typeof o?o=e[o]:o-=.5,h=o-r,"string"===typeof s?s=i[s]:s-=.5,"string"===typeof a?a=i[a]:a-=.5,l=a-s,(h||l)&&(c=this._getTransformedDimensions(),u=t.x+h*c.x,f=t.y+l*c.y),new n.Point(u,f)},translateToCenterPoint:function(e,i,r){var s=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?n.util.rotatePoint(s,e,t(this.angle)):s},translateToOriginPoint:function(e,i,r){var s=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?n.util.rotatePoint(s,e,t(this.angle)):s},getCenterPoint:function(){var t=new n.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,r){var s,o,a=this.getCenterPoint();return s="undefined"!==typeof i&&"undefined"!==typeof r?this.translateToGivenOrigin(a,"center","center",i,r):new n.Point(this.left,this.top),o=new n.Point(e.x,e.y),this.angle&&(o=n.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 r,s,o=t(this.angle),a=this.getScaledWidth(),h=n.util.cos(o)*a,l=n.util.sin(o)*a;r="string"===typeof this.originX?e[this.originX]:this.originX-.5,s="string"===typeof i?e[i]:i-.5,this.left+=h*(s-r),this.top+=l*(s-r),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(){function t(t){return[new n.Point(t.tl.x,t.tl.y),new n.Point(t.tr.x,t.tr.y),new n.Point(t.br.x,t.br.y),new n.Point(t.bl.x,t.bl.y)]}var e=n.util,i=e.degreesToRadians,r=e.multiplyTransformMatrices,s=e.transformPoint;e.object.extend(n.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(e,i){return t(this._getCoords(e,i))},intersectsWithRect:function(t,e,i,r){var s=this.getCoords(i,r),o=n.Intersection.intersectPolygonRectangle(s,t,e);return"Intersection"===o.status},intersectsWithObject:function(t,e,i){var r=n.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.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),s=(e=e||this._getImageLines(r),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,n=this.getCoords(!0,t);return!!n.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;if(this.intersectsWithRect(e,i,!0,t))return!0;var n=this.getCoords(!0,t).every((function(t){return(t.x>=i.x||t.x<=e.x)&&(t.y>=i.y||t.y<=e.y)}));return n&&this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){var e={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}};return e},_findCrossPoints:function(t,e){var i,n,r,s,o,a,h=0;for(var l in e)if(a=e[l],!(a.o.y<t.y&&a.d.y<t.y)&&!(a.o.y>=t.y&&a.d.y>=t.y)&&(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,n=(a.d.y-a.o.y)/(a.d.x-a.o.x),r=t.y-i*t.x,s=a.o.y-n*a.o.x,o=-(r-s)/(i-n)),o>=t.x&&(h+=1),2===h))break;return h},getBoundingRect:function(t,i){var n=this.getCoords(t,i);return e.makeBoundingBoxFromPoints(n)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)<this.minScaleLimit?t<0?-this.minScaleLimit:this.minScaleLimit:0===t?1e-4:t},scale:function(t){return this._set("scaleX",t),this._set("scaleY",t),this.setCoords()},scaleToWidth:function(t,e){var i=this.getBoundingRect(e).width/this.getScaledWidth();return this.scale(t/this.width/i)},scaleToHeight:function(t,e){var i=this.getBoundingRect(e).height/this.getScaledHeight();return this.scale(t/this.height/i)},calcCoords:function(t){return t?this.calcACoords():this.calcOCoords()},calcLineCoords:function(){var t=this.getViewportTransform(),n=this.padding,r=i(this.angle),o=e.cos(r),a=e.sin(r),h=o*n,l=a*n,c=h+l,u=h-l,f=this.calcACoords(),d={tl:s(f.tl,t),tr:s(f.tr,t),bl:s(f.bl,t),br:s(f.br,t)};return n&&(d.tl.x-=u,d.tl.y-=c,d.tr.x+=c,d.tr.y-=u,d.bl.x-=c,d.bl.y+=u,d.br.x+=u,d.br.y+=c),d},calcOCoords:function(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),i=this.getViewportTransform(),n=r(i,e),s=r(n,t),o=(s=r(s,[1/i[0],0,0,1/i[3],0,0]),this._calculateCurrentDimensions()),a={};return this.forEachControl((function(t,e,i){a[e]=t.positionHandler(o,s,i)})),a},calcACoords:function(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),i=r(e,t),n=this._getTransformedDimensions(),o=n.x/2,a=n.y/2;return{tl:s({x:-o,y:-a},i),tr:s({x:o,y:-a},i),bl:s({x:-o,y:a},i),br:s({x:o,y:a},i)}},setCoords:function(t){return this.aCoords=this.calcACoords(),this.lineCoords=this.group?this.aCoords:this.calcLineCoords(),t?this:(this.oCoords=this.calcOCoords(),this._setCornerCoords&&this._setCornerCoords(),this)},_calcRotateMatrix:function(){return e.calcRotateMatrix(this)},_calcTranslateMatrix:function(){var t=this.getCenterPoint();return[1,0,0,1,t.x,t.y]},transformMatrixKey:function(t){var e="_",i="";return!t&&this.group&&(i=this.group.transformMatrixKey(t)+e),i+this.top+e+this.left+e+this.scaleX+e+this.scaleY+e+this.skewX+e+this.skewY+e+this.angle+e+this.originX+e+this.originY+e+this.width+e+this.height+e+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(t){var e=this.calcOwnMatrix();if(t||!this.group)return e;var i=this.transformMatrixKey(t),n=this.matrixCache||(this.matrixCache={});return n.key===i?n.value:(this.group&&(e=r(this.group.calcTransformMatrix(!1),e)),n.key=i,n.value=e,e)},calcOwnMatrix:function(){var t=this.transformMatrixKey(!0),i=this.ownMatrixCache||(this.ownMatrixCache={});if(i.key===t)return i.value;var n=this._calcTranslateMatrix(),r={angle:this.angle,translateX:n[4],translateY:n[5],scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,flipX:this.flipX,flipY:this.flipY};return i.key=t,i.value=e.composeMatrix(r),i.value},_calcDimensionsTransformMatrix:function(t,i,n){return e.calcDimensionsMatrix({skewX:t,skewY:i,scaleX:this.scaleX*(n&&this.flipX?-1:1),scaleY:this.scaleY*(n&&this.flipY?-1:1)})},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,i){"undefined"===typeof t&&(t=this.skewX),"undefined"===typeof i&&(i=this.skewY);var n,r,s=this._getNonTransformedDimensions(),o=0===t&&0===i;if(this.strokeUniform?(n=this.width,r=this.height):(n=s.x,r=s.y),o)return this._finalizeDimensions(n*this.scaleX,r*this.scaleY);var a=e.sizeAfterTransform(n,r,{scaleX:this.scaleX,scaleY:this.scaleY,skewX:t,skewY:i});return this._finalizeDimensions(a.x,a.y)},_finalizeDimensions:function(t,e){return this.strokeUniform?{x:t+this.strokeWidth,y:e+this.strokeWidth}:{x:t,y:e}},_calculateCurrentDimensions:function(){var t=this.getViewportTransform(),e=this._getTransformedDimensions(),i=s(e,t,!0);return i.scalarAdd(2*this.padding)}})}(),n.util.object.extend(n.Object.prototype,{sendToBack:function(){return this.group?n.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas&&this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?n.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas&&this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?n.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas&&this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?n.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas&&this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group&&"activeSelection"!==this.group.type?n.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas&&this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new n.Color(e),r=t+": "+i.toRgb()+"; ",s=i.getAlpha();return 1!==s&&(r+=t+"-opacity: "+s.toString()+"; "),r}return t+": none; "}var e=n.util.toFixed;n.util.object.extend(n.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule?this.fillRule:"nonzero",n=this.strokeWidth?this.strokeWidth:"0",r=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeDashOffset?this.strokeDashOffset:"0",o=this.strokeLineCap?this.strokeLineCap:"butt",a=this.strokeLineJoin?this.strokeLineJoin:"miter",h=this.strokeMiterLimit?this.strokeMiterLimit:"4",l="undefined"!==typeof this.opacity?this.opacity:"1",c=this.visible?"":" visibility: hidden;",u=e?"":this.getSvgFilter(),f=t("fill",this.fill),d=t("stroke",this.stroke);return[d,"stroke-width: ",n,"; ","stroke-dasharray: ",r,"; ","stroke-linecap: ",o,"; ","stroke-dashoffset: ",s,"; ","stroke-linejoin: ",a,"; ","stroke-miterlimit: ",h,"; ",f,"fill-rule: ",i,"; ","opacity: ",l,";",u,c].join("")},getSvgSpanStyles:function(e,i){var n="; ",r=e.fontFamily?"font-family: "+(-1===e.fontFamily.indexOf("'")&&-1===e.fontFamily.indexOf('"')?"'"+e.fontFamily+"'":e.fontFamily)+n:"",s=e.strokeWidth?"stroke-width: "+e.strokeWidth+n:"",o=(r=r,e.fontSize?"font-size: "+e.fontSize+"px"+n:""),a=e.fontStyle?"font-style: "+e.fontStyle+n:"",h=e.fontWeight?"font-weight: "+e.fontWeight+n:"",l=e.fill?t("fill",e.fill):"",c=e.stroke?t("stroke",e.stroke):"",u=this.getSvgTextDecoration(e),f=e.deltaY?"baseline-shift: "+-e.deltaY+"; ":"";return u&&(u="text-decoration: "+u+n),[c,s,r,o,a,h,u,l,f,i?"white-space: pre; ":""].join("")},getSvgTextDecoration:function(t){return["overline","underline","line-through"].filter((function(e){return t[e.replace("-","")]})).join(" ")},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgCommons:function(){return[this.id?'id="'+this.id+'" ':"",this.clipPath?'clip-path="url(#'+this.clipPath.clipPathId+')" ':""].join("")},getSvgTransform:function(t,e){var i=t?this.calcTransformMatrix():this.calcOwnMatrix(),r='transform="'+n.util.matrixToSVG(i);return r+(e||"")+'" '},_setSVGBg:function(t){if(this.backgroundColor){var i=n.Object.NUM_FRACTION_DIGITS;t.push("\t\t<rect ",this._getFillAttributes(this.backgroundColor),' x="',e(-this.width/2,i),'" y="',e(-this.height/2,i),'" width="',e(this.width,i),'" height="',e(this.height,i),'"></rect>\n')}},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){e=e||{};var i=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){e=e||{};var i,r,s=e.noStyle,o=e.reviver,a=s?"":'style="'+this.getSvgStyles()+'" ',h=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",l=this.clipPath,c=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",u=l&&l.absolutePositioned,f=this.stroke,d=this.fill,g=this.shadow,p=[],v=t.indexOf("COMMON_PARTS"),m=e.additionalTransform;return l&&(l.clipPathId="CLIPPATH_"+n.Object.__uid++,r='<clipPath id="'+l.clipPathId+'" >\n'+l.toClipPathSVG(o)+"</clipPath>\n"),u&&p.push("<g ",h,this.getSvgCommons()," >\n"),p.push("<g ",this.getSvgTransform(!1),u?"":h+this.getSvgCommons()," >\n"),i=[a,c,s?"":this.addPaintOrder()," ",m?'transform="'+m+'" ':""].join(""),t[v]=i,d&&d.toLive&&p.push(d.toSVG(this)),f&&f.toLive&&p.push(f.toSVG(this)),g&&p.push(g.toSVG(this)),l&&p.push(r),p.push(t.join("")),p.push("</g>\n"),u&&p.push("</g>\n"),o?o(p.join("")):p.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var t=n.util.object.extend,e="stateProperties";function i(e,i,n){var r={},s=!0;n.forEach((function(t){r[t]=e[t]})),t(e[i],r,s)}function r(t,e,i){if(t===e)return!0;if(Array.isArray(t)){if(!Array.isArray(e)||t.length!==e.length)return!1;for(var n=0,s=t.length;n<s;n++)if(!r(t[n],e[n]))return!1;return!0}if(t&&"object"===typeof t){var o,a=Object.keys(t);if(!e||"object"!==typeof e||!i&&a.length!==Object.keys(e).length)return!1;for(n=0,s=a.length;n<s;n++)if(o=a[n],"canvas"!==o&&"group"!==o&&!r(t[o],e[o]))return!1;return!0}}n.util.object.extend(n.Object.prototype,{hasStateChanged:function(t){t=t||e;var i="_"+t;return Object.keys(this[i]).length<this[t].length||!r(this[i],this,!0)},saveState:function(t){var n=t&&t.propertySet||e,r="_"+n;return this[r]?(i(this,r,this[n]),t&&t.stateProperties&&i(this,r,t.stateProperties),this):this.setupState(t)},setupState:function(t){t=t||{};var i=t.propertySet||e;return t.propertySet=i,this["_"+i]={},this.saveState(t),this}})}(),function(){var t=n.util.degreesToRadians;n.util.object.extend(n.Object.prototype,{_findTargetCorner:function(t,e){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var i,n,r,s=t.x,o=t.y,a=Object.keys(this.oCoords),h=a.length-1;for(this.__corner=0;h>=0;h--)if(r=a[h],this.isControlVisible(r)&&(n=this._getImageLines(e?this.oCoords[r].touchCorner:this.oCoords[r].corner),i=this._findCrossPoints({x:s,y:o},n),0!==i&&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="undefined"!==typeof e.hasControls?e.hasControls:this.hasControls,a=!1;return t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray,null),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 r=n.util.sizeAfterTransform(this.width,this.height,e),s=this.strokeWidth,o=this.strokeUniform,a=this.borderScaleFactor,h=r.x+s*(o?this.canvas.getZoom():e.scaleX)+a,l=r.y+s*(o?this.canvas.getZoom():e.scaleY)+a;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray,null),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-h/2,-l/2,h,l),t.restore(),this},drawControls:function(t,e){return e=e||{},t.save(),t.setTransform(this.canvas.getRetinaScaling(),0,0,this.canvas.getRetinaScaling(),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,null),this.setCoords(),this.forEachControl((function(i,n,r){i.getVisibility(r,n)&&i.render(t,r.oCoords[n].x,r.oCoords[n].y,e,r)})),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(){}})}(),n.util.object.extend(n.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,s=e.onChange||i,o=this;return n.util.animate({startValue:t.left,endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),r()}}),this},fxCenterObjectV:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,s=e.onChange||i,o=this;return n.util.animate({startValue:t.top,endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),r()}}),this},fxRemove:function(t,e){e=e||{};var i=function(){},r=e.onComplete||i,s=e.onChange||i,o=this;return n.util.animate({startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),o.requestRenderAll(),s()},onComplete:function(){o.remove(t),r()}}),this}}),n.util.object.extend(n.Object.prototype,{animate:function(){if(arguments[0]&&"object"===typeof arguments[0]){var t,e,i=[];for(t in arguments[0])i.push(t);for(var n=0,r=i.length;n<r;n++)t=i[n],e=n!==r-1,this._animate(t,arguments[0][t],arguments[1],e)}else this._animate.apply(this,arguments);return this},_animate:function(t,e,i,r){var s,o=this;e=e.toString(),i=i?n.util.object.clone(i):{},~t.indexOf(".")&&(s=t.split("."));var a=o.colorProperties.indexOf(t)>-1||s&&o.colorProperties.indexOf(s[1])>-1,h=s?this.get(s[0])[s[1]]:this.get(t);"from"in i||(i.from=h),a||(e=~e.indexOf("=")?h+parseFloat(e.replace("=","")):parseFloat(e));var l={startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(){return i.abort.call(o)},onChange:function(e,n,a){s?o[s[0]][s[1]]=e:o.set(t,e),r||i.onChange&&i.onChange(e,n,a)},onComplete:function(t,e,n){r||(o.setCoords(),i.onComplete&&i.onComplete(t,e,n))}};a?n.util.animateColor(l.startValue,l.endValue,l.duration,l):n.util.animate(l)}}),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},s=e.StaticCanvas.supports("setLineDash");function o(t,e){var i=t.origin,n=t.axis1,r=t.axis2,s=t.dimension,o=e.nearest,a=e.center,h=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 h:return Math.max(this.get(n),this.get(r))}}}e.Line?e.warn("fabric.Line is already defined"):(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),"undefined"!==typeof r[t]&&this._setWidthHeight(),this},_getLeftToOriginX:o({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:o({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){if(t.beginPath(),!this.strokeDashArray||this.strokeDashArray&&s){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},_renderDashedStroke:function(t){var i=this.calcLinePoints();t.beginPath(),e.util.drawDashedLine(t,i.x1,i.y1,i.x2,i.y2,this.strokeDashArray),t.closePath()},_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,r=t*this.width*-.5,s=e*this.height*-.5;return{x1:i,x2:r,y1:n,y2:s}},_toSVG:function(){var t=this.calcLinePoints();return["<line ","COMMON_PARTS",'x1="',t.x1,'" y1="',t.y1,'" x2="',t.x2,'" y2="',t.y2,'" />\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){function r(t){delete t.points,i&&i(t)}var s=n(t,!0);s.points=[t.x1,t.y1,t.x2,t.y2],e.Object._fromObject("Line",s,r,"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.PI;function n(t){return"radius"in t&&t.radius>=0}e.Circle?e.warn("fabric.Circle is already defined."):(e.Circle=e.util.createClass(e.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*i,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=0,r=0,s=(this.endAngle-this.startAngle)%(2*i);if(0===s)t=["<circle ","COMMON_PARTS",'cx="'+n+'" cy="'+r+'" ','r="',this.radius,'" />\n'];else{var o=e.util.cos(this.startAngle)*this.radius,a=e.util.sin(this.startAngle)*this.radius,h=e.util.cos(this.endAngle)*this.radius,l=e.util.sin(this.endAngle)*this.radius,c=s>i?"1":"0";t=['<path d="M '+o+" "+a," A "+this.radius+" "+this.radius," 0 ",+c+" 1"," "+h+" "+l,'" ',"COMMON_PARTS"," />\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),e.Circle.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),e.Circle.fromElement=function(t,i){var r=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!n(r))throw new Error("value of `r` attribute is required and can not be negative");r.left=(r.left||0)-r.radius,r.top=(r.top||0)-r.radius,i(new e.Circle(r))},e.Circle.fromObject=function(t,i){return e.Object._fromObject("Circle",t,i)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Triangle?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)},_renderDashedStroke:function(t){var i=this.width/2,n=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,n,0,-n,this.strokeDashArray),e.util.drawDashedLine(t,0,-n,i,n,this.strokeDashArray),e.util.drawDashedLine(t,i,n,-i,n,this.strokeDashArray),t.closePath()},_toSVG:function(){var t=this.width/2,e=this.height/2,i=[-t+" "+e,"0 "+-e,t+" "+e].join(",");return["<polygon ","COMMON_PARTS",'points="',i,'" />']}}),e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI;e.Ellipse?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);break}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["<ellipse ","COMMON_PARTS",'cx="0" cy="0" ','rx="',this.rx,'" ry="',this.ry,'" />\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){return e.Object._fromObject("Ellipse",t,i)})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;e.Rect?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,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+n-e,o),a&&t.bezierCurveTo(s+n-h*e,o,s+n,o+h*i,s+n,o+i),t.lineTo(s+n,o+r-i),a&&t.bezierCurveTo(s+n,o+r-h*i,s+n-h*e,o+r,s+n-e,o+r),t.lineTo(s+e,o+r),a&&t.bezierCurveTo(s+h*e,o+r,s,o+r-h*i,s,o+r-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i=-this.width/2,n=-this.height/2,r=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,n,i+r,n,this.strokeDashArray),e.util.drawDashedLine(t,i+r,n,i+r,n+s,this.strokeDashArray),e.util.drawDashedLine(t,i+r,n+s,i,n+s,this.strokeDashArray),e.util.drawDashedLine(t,i,n+s,i,n,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){var t=-this.width/2,e=-this.height/2;return["<rect ","COMMON_PARTS",'x="',t,'" y="',e,'" rx="',this.rx,'" ry="',this.ry,'" width="',this.width,'" height="',this.height,'" />\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)})}(e),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;e.Polyline?e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,cacheProperties:e.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._setPositionDimensions(e)},_setPositionDimensions:function(t){var e,i=this._calcDimensions(t);this.width=i.width,this.height=i.height,t.fromSVG||(e=this.translateToGivenOrigin({x:i.left-this.strokeWidth/2,y:i.top-this.strokeWidth/2},"left","top",this.originX,this.originY)),"undefined"===typeof t.left&&(this.left=t.fromSVG?i.left:e.x),"undefined"===typeof t.top&&(this.top=t.fromSVG?i.top:e.y),this.pathOffset={x:i.left+this.width/2,y:i.top+this.height/2}},_calcDimensions:function(){var t=this.points,e=n(t,"x")||0,i=n(t,"y")||0,s=r(t,"x")||0,o=r(t,"y")||0,a=s-e,h=o-i;return{left:e,top:i,width:a,height:h}},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<a;o++)t.push(s(this.points[o].x-i,r),",",s(this.points[o].y-n,r)," ");return["<"+this.type+" ","COMMON_PARTS",'points="',t.join(""),'" />\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<i;s++)e=this.points[s],t.lineTo(e.x-n,e.y-r);return!0},_render:function(t){this.commonRender(t)&&this._renderPaintInOrder(t)},_renderDashedStroke:function(t){var i,n;t.beginPath();for(var r=0,s=this.points.length;r<s;r++)i=this.points[r],n=this.points[r+1]||i,e.util.drawDashedLine(t,i.x,i.y,n.x,n.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),e.Polyline.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polyline.fromElementGenerator=function(t){return function(n,r,s){if(!n)return r(null);s||(s={});var o=e.parsePointsAttribute(n.getAttribute("points")),a=e.parseAttributes(n,e[t].ATTRIBUTE_NAMES);a.fromSVG=!0,r(new e[t](o,i(a,s)))}},e.Polyline.fromElement=e.Polyline.fromElementGenerator("Polyline"),e.Polyline.fromObject=function(t,i){return e.Object._fromObject("Polyline",t,i,"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Polygon?e.warn("fabric.Polygon is already defined"):(e.Polygon=e.util.createClass(e.Polyline,{type:"polygon",_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderPaintInOrder(t))},_renderDashedStroke:function(t){this.callSuper("_renderDashedStroke",t),t.closePath()}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=e.Polyline.fromElementGenerator("Polygon"),e.Polygon.fromObject=function(t,i){return e.Object._fromObject("Polygon",t,i,"points")})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,n=e.util.array.max,r=e.util.object.extend,s=Object.prototype.toString,o=e.util.toFixed;e.Path?e.warn("fabric.Path is already defined"):(e.Path=e.util.createClass(e.Object,{type:"path",path:null,cacheProperties:e.Object.prototype.cacheProperties.concat("path","fillRule"),stateProperties:e.Object.prototype.stateProperties.concat("path"),initialize:function(t,i){i=i||{},this.callSuper("initialize",i),t||(t=[]);var n="[object Array]"===s.call(t);this.path=n?e.util.makePathSimpler(t):e.util.makePathSimpler(e.util.parsePath(t)),this.path&&e.Polyline.prototype._setPositionDimensions.call(this,i)},_renderPathCommands:function(t){var e,i=0,n=0,r=0,s=0,o=0,a=0,h=-this.pathOffset.x,l=-this.pathOffset.y;t.beginPath();for(var c=0,u=this.path.length;c<u;++c)switch(e=this.path[c],e[0]){case"L":r=e[1],s=e[2],t.lineTo(r+h,s+l);break;case"M":r=e[1],s=e[2],i=r,n=s,t.moveTo(r+h,s+l);break;case"C":r=e[5],s=e[6],o=e[3],a=e[4],t.bezierCurveTo(e[1]+h,e[2]+l,o+h,a+l,r+h,s+l);break;case"Q":t.quadraticCurveTo(e[1]+h,e[2]+l,e[3]+h,e[4]+l),r=e[3],s=e[4],o=e[1],a=e[2];break;case"z":case"Z":r=i,s=n,t.closePath();break}},_render:function(t){this._renderPathCommands(t),this._renderPaintInOrder(t)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},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(){var t=this.path.map((function(t){return t.join(" ")})).join(" ");return["<path ","COMMON_PARTS",'d="',t,'" stroke-linecap="round" ',"/>\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"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var t,r,s=[],o=[],a=0,h=0,l=0,c=0,u=0,f=this.path.length;u<f;++u){switch(t=this.path[u],t[0]){case"L":l=t[1],c=t[2],r=[];break;case"M":l=t[1],c=t[2],a=l,h=c,r=[];break;case"C":r=e.util.getBoundsOfCurve(l,c,t[1],t[2],t[3],t[4],t[5],t[6]),l=t[5],c=t[6];break;case"Q":r=e.util.getBoundsOfCurve(l,c,t[1],t[2],t[1],t[2],t[3],t[4]),l=t[3],c=t[4];break;case"z":case"Z":l=a,c=h;break}r.forEach((function(t){s.push(t.x),o.push(t.y)})),s.push(l),o.push(c)}var d=i(s)||0,g=i(o)||0,p=n(s)||0,v=n(o)||0,m=p-d,y=v-g;return{left:d,top:g,width:m,height:y}}}),e.Path.fromObject=function(t,i){if("string"===typeof t.sourcePath){var n=t.sourcePath;e.loadSVGFromURL(n,(function(e){var n=e[0];n.setOptions(t),i&&i(n)}))}else e.Object._fromObject("Path",t,i,"path")},e.Path.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(["d"]),e.Path.fromElement=function(t,i,n){var s=e.parseAttributes(t,e.Path.ATTRIBUTE_NAMES);s.fromSVG=!0,i(new e.Path(s.d,r(s,n)))})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.array.min,n=e.util.array.max;e.Group||(e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var n=this._objects.length;n--;)this._objects[n].group=this;if(i)this._updateObjectsACoords();else{var r=e&&e.centerPoint;void 0!==e.originX&&(this.originX=e.originX),void 0!==e.originY&&(this.originY=e.originY),r||this._calcBounds(),this._updateObjectsCoords(r),delete e.centerPoint,this.callSuper("initialize",e)}this.setCoords()},_updateObjectsACoords:function(){for(var t=!0,e=this._objects.length;e--;)this._objects[e].setCoords(t)},_updateObjectsCoords:function(t){t=t||this.getCenterPoint();for(var e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,n=t.top,r=!0;t.set({left:i-e.x,top:n-e.y}),t.group=this,t.setCoords(r)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),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)while(n--)this._objects[n].setOnGroup(t,i);if("canvas"===t)while(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.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++)if(this._objects[i].willDrawShadow())return this.ownCaching=!1,!1;return t},willDrawShadow:function(){if(e.Object.prototype.willDrawShadow.call(this))return!0;for(var t=0,i=this._objects.length;t<i;t++)if(this._objects[t].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(t){for(var e=0,i=this._objects.length;e<i;e++)this._objects[e].render(t);this._drawClipPath(t)},isCacheDirty:function(t){if(this.callSuper("isCacheDirty",t))return!0;if(!this.statefullCache)return!1;for(var e=0,i=this._objects.length;e<i;e++)if(this._objects[e].isCacheDirty(!0)){if(this._cacheCanvas){var n=this.cacheWidth/this.zoomX,r=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-n/2,-r/2,n,r)}return!0}return!1},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},realizeTransform:function(t){var i=t.calcTransformMatrix(),n=e.util.qrDecompose(i),r=new e.Point(n.translateX,n.translateY);return t.flipX=!1,t.flipY=!1,t.set("scaleX",n.scaleX),t.set("scaleY",n.scaleY),t.skewX=n.skewX,t.skewY=n.skewY,t.angle=n.angle,t.setPositionByOrigin(r,"center","center"),t},_restoreObjectState:function(t){return this.realizeTransform(t),delete t.group,t.setCoords(),this},destroy:function(){return this._objects.forEach((function(t){t.set("dirty",!0)})),this._restoreObjectsState()},toActiveSelection:function(){if(this.canvas){var t=this._objects,i=this.canvas;this._objects=[];var n=this.toObject();delete n.objects;var r=new e.ActiveSelection([]);return r.set(n),r.type="activeSelection",i.remove(this),t.forEach((function(t){t.group=r,t.dirty=!0,i.add(t)})),r.canvas=i,r._objects=t,i._activeObject=r,r.setCoords(),r}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){var t=!0;return this.forEachObject((function(e){e.setCoords(t)})),this},_calcBounds:function(t){for(var e,i,n,r=[],s=[],o=["tr","br","bl","tl"],a=0,h=this._objects.length,l=o.length;a<h;++a)for(e=this._objects[a],e.aCoords=e.calcACoords(),n=0;n<l;n++)i=o[n],r.push(e.aCoords[i].x),s.push(e.aCoords[i].y);this._getBounds(r,s,t)},_getBounds:function(t,r,s){var o=new e.Point(i(t),i(r)),a=new e.Point(n(t),n(r)),h=o.y||0,l=o.x||0,c=a.x-o.x||0,u=a.y-o.y||0;this.width=c,this.height=u,s||this.setPositionByOrigin({x:l,y:h},"left","top")},_toSVG:function(t){for(var e=["<g ","COMMON_PARTS"," >\n"],i=0,n=this._objects.length;i<n;i++)e.push("\t\t",this._objects[i].toSVG(t));return e.push("</g>\n"),e},getSvgStyles:function(){var t="undefined"!==typeof 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<n;i++)e.push("\t",this._objects[i].toClipPathSVG(t));return this._createBaseClipPathSVGMarkup(e,{reviver:t})}}),e.Group.fromObject=function(t,i){var n=t.objects,r=e.util.object.clone(t,!0);delete r.objects,"string"!==typeof n?e.util.enlivenObjects(n,(function(n){e.util.enlivenObjects([t.clipPath],(function(r){var s=e.util.object.clone(t,!0);s.clipPath=r[0],delete s.objects,i&&i(new e.Group(n,s,!0))}))})):e.loadSVGFromURL(n,(function(s){var o=e.util.groupSVGElements(s,t,n);o.set(r),i&&i(o)}))})}(e),function(t){"use strict";var e=t.fabric||(t.fabric={});e.ActiveSelection||(e.ActiveSelection=e.util.createClass(e.Group,{type:"activeSelection",initialize:function(t,i){i=i||{},this._objects=t||[];for(var n=this._objects.length;n--;)this._objects[n].group=this;i.originX&&(this.originX=i.originX),i.originY&&(this.originY=i.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,i),this.setCoords()},toGroup:function(){var t=this._objects.concat();this._objects=[];var i=e.Object.prototype.toObject.call(this),n=new e.Group([]);if(delete i.type,n.set(i),t.forEach((function(t){t.canvas.remove(t),t.group=n})),n._objects=t,!this.canvas)return n;var r=this.canvas;return r.add(n),r._activeObject=n,n.setCoords(),n},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#<fabric.ActiveSelection: ("+this.complexity()+")>"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),i=i||{},"undefined"===typeof i.hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var n=0,r=this._objects.length;n<r;n++)this._objects[n]._renderControls(t,i);t.restore()}}),e.ActiveSelection.fromObject=function(t,i){e.util.enlivenObjects(t.objects,(function(n){delete t.objects,i&&i(new e.ActiveSelection(n,t,!0))}))})}(e),function(t){"use strict";var e=n.util.object.extend;t.fabric||(t.fabric={}),t.fabric.Image?n.warn("fabric.Image is already defined."):(n.Image=n.util.createClass(n.Object,{type:"image",strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:n.Object.prototype.stateProperties.concat("cropX","cropY"),cacheKey:"",cropX:0,cropY:0,imageSmoothing:!0,initialize:function(t,e){e||(e={}),this.filters=[],this.cacheKey="texture"+n.Object.__uid++,this.callSuper("initialize",e),this._initElement(t,e)},getElement:function(){return this._element||{}},setElement:function(t,e){return this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._element=t,this._originalElement=t,this._initConfig(e),0!==this.filters.length&&this.applyFilters(),this.resizeFilter&&this.applyResizeFilters(),this},removeTexture:function(t){var e=n.filterBackend;e&&e.evictCachesForKey&&e.evictCachesForKey(t)},dispose:function(){this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._cacheContext=void 0,["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach(function(t){n.util.cleanUpJsdomNode(this[t]),this[t]=void 0}.bind(this))},getCrossOrigin:function(){return this._originalElement&&(this._originalElement.crossOrigin||null)},getOriginalSize:function(){var t=this.getElement();return{width:t.naturalWidth||t.width,height:t.naturalHeight||t.height}},_stroke:function(t){if(this.stroke&&0!==this.strokeWidth){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,-i),t.lineTo(e,-i),t.lineTo(e,i),t.lineTo(-e,i),t.lineTo(-e,-i),t.closePath()}},_renderDashedStroke:function(t){var e=-this.width/2,i=-this.height/2,r=this.width,s=this.height;t.save(),this._setStrokeStyles(t,this),t.beginPath(),n.util.drawDashedLine(t,e,i,e+r,i,this.strokeDashArray),n.util.drawDashedLine(t,e+r,i,e+r,i+s,this.strokeDashArray),n.util.drawDashedLine(t,e+r,i+s,e,i+s,this.strokeDashArray),n.util.drawDashedLine(t,e,i+s,e,i,this.strokeDashArray),t.closePath(),t.restore()},toObject:function(t){var i=[];this.filters.forEach((function(t){t&&i.push(t.toObject())}));var n=e(this.callSuper("toObject",["cropX","cropY"].concat(t)),{src:this.getSrc(),crossOrigin:this.getCrossOrigin(),filters:i});return this.resizeFilter&&(n.resizeFilter=this.resizeFilter.toObject()),n},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},_toSVG:function(){var t,e=[],i=[],r=this._element,s=-this.width/2,o=-this.height/2,a="",h="";if(!r)return[];if(this.hasCrop()){var l=n.Object.__uid++;e.push('<clipPath id="imageCrop_'+l+'">\n','\t<rect x="'+s+'" y="'+o+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),a=' clip-path="url(#imageCrop_'+l+')" '}if(this.imageSmoothing||(h='" image-rendering="optimizeSpeed'),i.push("\t<image ","COMMON_PARTS",'xlink:href="',this.getSvgSrc(!0),'" x="',s-this.cropX,'" y="',o-this.cropY,'" width="',r.width||r.naturalWidth,'" height="',r.height||r.height,h,'"',a,"></image>\n"),this.stroke||this.strokeDashArray){var c=this.fill;this.fill=null,t=["\t<rect ",'x="',s,'" y="',o,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'],this.fill=c}return e="fill"!==this.paintFirst?e.concat(t,i):e.concat(i,t),e},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 n.util.loadImage(t,(function(t,n){this.setElement(t,i),this._setWidthHeight(),e&&e(this,n)}),this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),r=i.scaleX,s=i.scaleY,o=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||r>e&&s>e)return this._element=o,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=r,void(this._lastScaleY=s);n.filterBackend||(n.filterBackend=n.initFilterBackend());var a=n.util.createCanvasElement(),h=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,l=o.width,c=o.height;a.width=l,a.height=c,this._element=a,this._lastScaleX=t.scaleX=r,this._lastScaleY=t.scaleY=s,n.filterBackend.applyFilters([t],o,l,c,this._element,h),this._filterScalingX=a.width/this._originalElement.width,this._filterScalingY=a.height/this._originalElement.height},applyFilters:function(t){if(t=t||this.filters||[],t=t.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,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var s=n.util.createCanvasElement();s.width=i,s.height=r,this._element=s,this._filteredEl=s}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,r),this._lastScaleX=1,this._lastScaleY=1;return n.filterBackend||(n.filterBackend=n.initFilterBackend()),n.filterBackend.applyFilters(t,this._originalElement,i,r,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){n.util.setImageSmoothing(t,this.imageSmoothing),!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)},drawCacheOnCanvas:function(t){n.util.setImageSmoothing(t,this.imageSmoothing),n.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,h=a(this.cropX,0),l=a(this.cropY,0),c=e.naturalWidth||e.width,u=e.naturalHeight||e.height,f=h*i,d=l*n,g=o(r*i,c-f),p=o(s*n,u-d),v=-r/2,m=-s/2,y=o(r,c/i-h),_=o(s,u/i-l);e&&t.drawImage(e,f,d,g,p,v,m,y,_)}},_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(n.util.getById(t),e),n.util.addClass(this.getElement(),n.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t)},_initFilters:function(t,e){t&&t.length?n.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=n.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,r=this._element.height,s=1,o=1,a=0,h=0,l=0,c=0,u=this.width,f=this.height,d={width:u,height:f};return!e||"none"===e.alignX&&"none"===e.alignY?(s=u/i,o=f/r):("meet"===e.meetOrSlice&&(s=o=n.util.findScaleToFit(this._element,d),t=(u-i*s)/2,"Min"===e.alignX&&(a=-t),"Max"===e.alignX&&(a=t),t=(f-r*o)/2,"Min"===e.alignY&&(h=-t),"Max"===e.alignY&&(h=t)),"slice"===e.meetOrSlice&&(s=o=n.util.findScaleToCover(this._element,d),t=i-u/s,"Mid"===e.alignX&&(l=t/2),"Max"===e.alignX&&(l=t),t=r-f/o,"Mid"===e.alignY&&(c=t/2),"Max"===e.alignY&&(c=t),i=u/s,r=f/o)),{width:i,height:r,scaleX:s,scaleY:o,offsetLeft:a,offsetTop:h,cropX:l,cropY:c}}}),n.Image.CSS_CANVAS="canvas-img",n.Image.prototype.getSvgSrc=n.Image.prototype.getSrc,n.Image.fromObject=function(t,e){var i=n.util.object.clone(t);n.util.loadImage(i.src,(function(t,r){r?e&&e(null,!0):n.Image.prototype._initFilters.call(i,i.filters,(function(r){i.filters=r||[],n.Image.prototype._initFilters.call(i,[i.resizeFilter],(function(r){i.resizeFilter=r[0],n.util.enlivenObjects([i.clipPath],(function(r){i.clipPath=r[0];var s=new n.Image(t,i);e(s,!1)}))}))}))}),null,i.crossOrigin)},n.Image.fromURL=function(t,e,i){n.util.loadImage(t,(function(t,r){e&&e(new n.Image(t,i),r)}),null,i&&i.crossOrigin)},n.Image.ATTRIBUTE_NAMES=n.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin image-rendering".split(" ")),n.Image.fromElement=function(t,i,r){var s=n.parseAttributes(t,n.Image.ATTRIBUTE_NAMES);n.Image.fromURL(s["xlink:href"],i,e(r?n.util.object.clone(r):{},s))})}(e),n.util.object.extend(n.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()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,s=this;return n.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){s.rotate(t),r()},onComplete:function(){s.setCoords(),i()}}),this}}),n.util.object.extend(n.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound}),this}}),function(){"use strict";function t(t,e){var i="precision "+e+" float;\nvoid main(){}",n=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(n,i),t.compileShader(n),!!t.getShaderParameter(n,t.COMPILE_STATUS)}function e(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}n.isWebglSupported=function(e){if(n.isLikelyNode)return!1;e=e||n.WebglFilterBackend.prototype.tileSize;var i=document.createElement("canvas"),r=i.getContext("webgl")||i.getContext("experimental-webgl"),s=!1;if(r){n.maxTextureSize=r.getParameter(r.MAX_TEXTURE_SIZE),s=n.maxTextureSize>=e;for(var o=["highp","mediump","lowp"],a=0;a<3;a++)if(t(r,o[a])){n.webGlPrecision=o[a];break}}return this.isSupported=s,s},n.WebglFilterBackend=e,e.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r="undefined"!==typeof window.performance;try{new ImageData(1,1),i=!0}catch(p){i=!1}var s="undefined"!==typeof ArrayBuffer,o="undefined"!==typeof Uint8ClampedArray;if(r&&i&&s&&o){var l=n.util.createCanvasElement(),c=new ArrayBuffer(t*e*4);if(n.forceGLPutImageData)return this.imageBuffer=c,void(this.copyGLTo2D=h);var u,f,d,g={imageBuffer:c,destinationWidth:t,destinationHeight:e,targetCanvas:l};l.width=t,l.height=e,u=window.performance.now(),a.call(g,this.gl,g),f=window.performance.now()-u,u=window.performance.now(),h.call(g,this.gl,g),d=window.performance.now()-u,f>d?(this.imageBuffer=c,this.copyGLTo2D=h):this.copyGLTo2D=a}},createWebGLCanvas:function(t,e){var i=n.util.createCanvasElement();i.width=t,i.height=e;var r={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},s=i.getContext("webgl",r);s||(s=i.getContext("experimental-webgl",r)),s&&(s.clearColor(0,0,0,0),this.canvas=i,this.gl=s)},applyFilters:function(t,e,i,n,r,s){var a,h=this.gl;s&&(a=this.getCachedTexture(s,e));var l={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:n,destinationWidth:i,destinationHeight:n,context:h,sourceTexture:this.createTexture(h,i,n,!a&&e),targetTexture:this.createTexture(h,i,n),originalTexture:a||this.createTexture(h,i,n,!a&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:r},c=h.createFramebuffer();return h.bindFramebuffer(h.FRAMEBUFFER,c),t.forEach((function(t){t&&t.applyTo(l)})),o(l),this.copyGLTo2D(h,l),h.bindTexture(h.TEXTURE_2D,null),h.deleteTexture(l.sourceTexture),h.deleteTexture(l.targetTexture),h.deleteFramebuffer(c),r.getContext("2d").setTransform(1,0,0,1,0,0),l},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,n){var r=t.createTexture();return t.bindTexture(t.TEXTURE_2D,r),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,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),r},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:a,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(){}n.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),h={sourceWidth:i,sourceHeight:n,imageData:o,originalEl:e,originalImageData:a,canvasEl:r,ctx:s,filterBackend:this};return t.forEach((function(t){t.applyTo(h)})),h.imageData.width===i&&h.imageData.height===n||(r.width=h.imageData.width,r.height=h.imageData.height),s.putImageData(h.imageData,0,0),h}}}(),n.Image=n.Image||{},n.Image.filters=n.Image.filters||{},n.Image.filters.BaseFilter=n.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"!==n.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+n.webGlPrecision+" float"));var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(r));var s=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(s,e),t.compileShader(s),!t.getShaderParameter(s,t.COMPILE_STATUS))throw new Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(s));var o=t.createProgram();if(t.attachShader(o,r),t.attachShader(o,s),t.linkProgram(o),!t.getProgramParameter(o,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(o));var a=this.getAttributeLocations(t,o),h=this.getUniformLocations(t,o)||{};return h.uStepW=t.getUniformLocation(o,"uStepW"),h.uStepH=t.getUniformLocation(o,"uStepH"),{program:o,attributeLocations:a,uniformLocations:h}},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=n.Image.filters[this.type].prototype;if(t){if(Array.isArray(e[t])){for(var i=e[t].length;i--;)if(this[t][i]!==e[t][i])return!1;return!0}return e[t]===this[t]}return!1},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()}}),n.Image.filters.BaseFilter.fromObject=function(t,e){var i=new n.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.ColorMatrix=n(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,a=o.data,h=a.length,l=this.matrix,c=this.colorsOnly;for(s=0;s<h;s+=4)e=a[s],i=a[s+1],n=a[s+2],c?(a[s]=e*l[0]+i*l[1]+n*l[2]+255*l[4],a[s+1]=e*l[5]+i*l[6]+n*l[7]+255*l[9],a[s+2]=e*l[10]+i*l[11]+n*l[12]+255*l[14]):(r=a[s+3],a[s]=e*l[0]+i*l[1]+n*l[2]+r*l[3]+255*l[4],a[s+1]=e*l[5]+i*l[6]+n*l[7]+r*l[8]+255*l[9],a[s+2]=e*l[10]+i*l[11]+n*l[12]+r*l[13]+255*l[14],a[s+3]=e*l[15]+i*l[16]+n*l[17]+r*l[18]+255*l[19])},getUniformLocations:function(t,e){return{uColorMatrix:t.getUniformLocation(e,"uColorMatrix"),uConstants:t.getUniformLocation(e,"uConstants")}},sendUniformData:function(t,e){var i=this.matrix,n=[i[0],i[1],i[2],i[3],i[5],i[6],i[7],i[8],i[10],i[11],i[12],i[13],i[15],i[16],i[17],i[18]],r=[i[4],i[9],i[14],i[19]];t.uniformMatrix4fv(e.uColorMatrix,!1,n),t.uniform4fv(e.uConstants,r)}}),e.Image.filters.ColorMatrix.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Brightness=n(i.BaseFilter,{type:"Brightness",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBrightness;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += uBrightness;\ngl_FragColor = color;\n}",brightness:0,mainParameter:"brightness",applyTo2d:function(t){if(0!==this.brightness){var e,i=t.imageData,n=i.data,r=n.length,s=Math.round(255*this.brightness);for(e=0;e<r;e+=4)n[e]=n[e]+s,n[e+1]=n[e+1]+s,n[e+2]=n[e+2]+s}},getUniformLocations:function(t,e){return{uBrightness:t.getUniformLocation(e,"uBrightness")}},sendUniformData:function(t,e){t.uniform1f(e.uBrightness,this.brightness)}}),e.Image.filters.Brightness.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters,r=e.util.createClass;n.Convolute=r(n.BaseFilter,{type:"Convolute",opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_3_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[9];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 3.0; h+=1.0) {\nfor (float w = 0.0; w < 3.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_5_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_5_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[25];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 5.0; h+=1.0) {\nfor (float w = 0.0; w < 5.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_7_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_7_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[49];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 7.0; h+=1.0) {\nfor (float w = 0.0; w < 7.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}",Convolute_9_1:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 0);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\n}\n}\ngl_FragColor = color;\n}",Convolute_9_0:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uMatrix[81];\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = vec4(0, 0, 0, 1);\nfor (float h = 0.0; h < 9.0; h+=1.0) {\nfor (float w = 0.0; w < 9.0; w+=1.0) {\nvec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\ncolor.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\n}\n}\nfloat alpha = texture2D(uTexture, vTexCoord).a;\ngl_FragColor = color;\ngl_FragColor.a = alpha;\n}"},retrieveShader:function(t){var e=Math.sqrt(this.matrix.length),i=this.type+"_"+e+"_"+(this.opaque?1:0),n=this.fragmentSource[i];return t.programCache.hasOwnProperty(i)||(t.programCache[i]=this.createProgram(t.context,n)),t.programCache[i]},applyTo2d:function(t){var e,i,n,r,s,o,a,h,l,c,u,f,d,g=t.imageData,p=g.data,v=this.matrix,m=Math.round(Math.sqrt(v.length)),y=Math.floor(m/2),_=g.width,b=g.height,x=t.ctx.createImageData(_,b),C=x.data,S=this.opaque?1:0;for(u=0;u<b;u++)for(c=0;c<_;c++){for(s=4*(u*_+c),e=0,i=0,n=0,r=0,d=0;d<m;d++)for(f=0;f<m;f++)a=u+d-y,o=c+f-y,a<0||a>=b||o<0||o>=_||(h=4*(a*_+o),l=v[d*m+f],e+=p[h]*l,i+=p[h+1]*l,n+=p[h+2]*l,S||(r+=p[h+3]*l));C[s]=e,C[s+1]=i,C[s+2]=n,C[s+3]=S?p[s+3]:r}t.imageData=x},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}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Grayscale=n(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,r=n.data,s=r.length,o=this.mode;for(e=0;e<s;e+=4)"average"===o?i=(r[e]+r[e+1]+r[e+2])/3:"lightness"===o?i=(Math.min(r[e],r[e+1],r[e+2])+Math.max(r[e],r[e+1],r[e+2]))/2:"luminosity"===o&&(i=.21*r[e]+.72*r[e+1]+.07*r[e+2]),r[e]=i,r[e+1]=i,r[e+2]=i},retrieveShader:function(t){var e=this.type+"_"+this.mode;if(!t.programCache.hasOwnProperty(e)){var i=this.fragmentSource[this.mode];t.programCache[e]=this.createProgram(t.context,i)}return t.programCache[e]},getUniformLocations:function(t,e){return{uMode:t.getUniformLocation(e,"uMode")}},sendUniformData:function(t,e){var i=1;t.uniform1i(e.uMode,i)},isNeutralState:function(){return!1}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Invert=n(i.BaseFilter,{type:"Invert",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uInvert;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nif (uInvert == 1) {\ngl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\n} else {\ngl_FragColor = color;\n}\n}",invert:!0,mainParameter:"invert",applyTo2d:function(t){var e,i=t.imageData,n=i.data,r=n.length;for(e=0;e<r;e+=4)n[e]=255-n[e],n[e+1]=255-n[e+1],n[e+2]=255-n[e+2]},isNeutralState:function(){return!this.invert},getUniformLocations:function(t,e){return{uInvert:t.getUniformLocation(e,"uInvert")}},sendUniformData:function(t,e){t.uniform1i(e.uInvert,this.invert)}}),e.Image.filters.Invert.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters,r=e.util.createClass;n.Noise=r(n.BaseFilter,{type:"Noise",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uStepH;\nuniform float uNoise;\nuniform float uSeed;\nvarying vec2 vTexCoord;\nfloat rand(vec2 co, float seed, float vScale) {\nreturn fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n}\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\ngl_FragColor = color;\n}",mainParameter:"noise",noise:0,applyTo2d:function(t){if(0!==this.noise){var e,i,n=t.imageData,r=n.data,s=r.length,o=this.noise;for(e=0,s=r.length;e<s;e+=4)i=(.5-Math.random())*o,r[e]+=i,r[e+1]+=i,r[e+2]+=i}},getUniformLocations:function(t,e){return{uNoise:t.getUniformLocation(e,"uNoise"),uSeed:t.getUniformLocation(e,"uSeed")}},sendUniformData:function(t,e){t.uniform1f(e.uNoise,this.noise/255),t.uniform1f(e.uSeed,Math.random())},toObject:function(){return i(this.callSuper("toObject"),{noise:this.noise})}}),e.Image.filters.Noise.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Pixelate=n(i.BaseFilter,{type:"Pixelate",blocksize:4,mainParameter:"blocksize",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uBlocksize;\nuniform float uStepW;\nuniform float uStepH;\nvarying vec2 vTexCoord;\nvoid main() {\nfloat blockW = uBlocksize * uStepW;\nfloat blockH = uBlocksize * uStepW;\nint posX = int(vTexCoord.x / blockW);\nint posY = int(vTexCoord.y / blockH);\nfloat fposX = float(posX);\nfloat fposY = float(posY);\nvec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\nvec4 color = texture2D(uTexture, squareCoords);\ngl_FragColor = color;\n}",applyTo2d:function(t){var e,i,n,r,s,o,a,h,l,c,u,f=t.imageData,d=f.data,g=f.height,p=f.width;for(i=0;i<g;i+=this.blocksize)for(n=0;n<p;n+=this.blocksize)for(e=4*i*p+4*n,r=d[e],s=d[e+1],o=d[e+2],a=d[e+3],c=Math.min(i+this.blocksize,g),u=Math.min(n+this.blocksize,p),h=i;h<c;h++)for(l=n;l<u;l++)e=4*h*p+4*l,d[e]=r,d[e+1]=s,d[e+2]=o,d[e+3]=a},isNeutralState:function(){return 1===this.blocksize},getUniformLocations:function(t,e){return{uBlocksize:t.getUniformLocation(e,"uBlocksize"),uStepW:t.getUniformLocation(e,"uStepW"),uStepH:t.getUniformLocation(e,"uStepH")}},sendUniformData:function(t,e){t.uniform1f(e.uBlocksize,this.blocksize)}}),e.Image.filters.Pixelate.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters,r=e.util.createClass;n.RemoveColor=r(n.BaseFilter,{type:"RemoveColor",color:"#FFFFFF",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uLow;\nuniform vec4 uHigh;\nvarying vec2 vTexCoord;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\nif(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\ngl_FragColor.a = 0.0;\n}\n}",distance:.02,useAlpha:!1,applyTo2d:function(t){var i,n,r,s,o=t.imageData,a=o.data,h=255*this.distance,l=new e.Color(this.color).getSource(),c=[l[0]-h,l[1]-h,l[2]-h],u=[l[0]+h,l[1]+h,l[2]+h];for(i=0;i<a.length;i+=4)n=a[i],r=a[i+1],s=a[i+2],n>c[0]&&r>c[1]&&s>c[2]&&n<u[0]&&r<u[1]&&s<u[2]&&(a[i+3]=0)},getUniformLocations:function(t,e){return{uLow:t.getUniformLocation(e,"uLow"),uHigh:t.getUniformLocation(e,"uHigh")}},sendUniformData:function(t,i){var n=new e.Color(this.color).getSource(),r=parseFloat(this.distance),s=[0+n[0]/255-r,0+n[1]/255-r,0+n[2]/255-r,1],o=[n[0]/255+r,n[1]/255+r,n[2]/255+r,1];t.uniform4fv(i.uLow,s),t.uniform4fv(i.uHigh,o)},toObject:function(){return i(this.callSuper("toObject"),{color:this.color,distance:this.distance})}}),e.Image.filters.RemoveColor.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass,r={Brownie:[.5997,.34553,-.27082,0,.186,-.0377,.86095,.15059,0,-.1449,.24113,-.07441,.44972,0,-.02965,0,0,0,1,0],Vintage:[.62793,.32021,-.03965,0,.03784,.02578,.64411,.03259,0,.02926,.0466,-.08512,.52416,0,.02023,0,0,0,1,0],Kodachrome:[1.12855,-.39673,-.03992,0,.24991,-.16404,1.08352,-.05498,0,.09698,-.16786,-.56034,1.60148,0,.13972,0,0,0,1,0],Technicolor:[1.91252,-.85453,-.09155,0,.04624,-.30878,1.76589,-.10601,0,-.27589,-.2311,-.75018,1.84759,0,.12137,0,0,0,1,0],Polaroid:[1.438,-.062,-.062,0,0,-.122,1.378,-.122,0,0,-.016,-.016,1.483,0,0,0,0,0,1,0],Sepia:[.393,.769,.189,0,0,.349,.686,.168,0,0,.272,.534,.131,0,0,0,0,0,1,0],BlackWhite:[1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,1.5,1.5,1.5,0,-1,0,0,0,1,0]};for(var s in r)i[s]=n(i.ColorMatrix,{type:s,matrix:r[s],mainParameter:!1,colorsOnly:!0}),e.Image.filters[s].fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric,i=e.Image.filters,n=e.util.createClass;i.BlendColor=n(i.BaseFilter,{type:"BlendColor",color:"#F95C63",mode:"multiply",alpha:1,fragmentSource:{multiply:"gl_FragColor.rgb *= uColor.rgb;\n",screen:"gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);\n",add:"gl_FragColor.rgb += uColor.rgb;\n",diff:"gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\n",subtract:"gl_FragColor.rgb -= uColor.rgb;\n",lighten:"gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\n",darken:"gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\n",exclusion:"gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\n",overlay:"if (uColor.r < 0.5) {\ngl_FragColor.r *= 2.0 * uColor.r;\n} else {\ngl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\n}\nif (uColor.g < 0.5) {\ngl_FragColor.g *= 2.0 * uColor.g;\n} else {\ngl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\n}\nif (uColor.b < 0.5) {\ngl_FragColor.b *= 2.0 * uColor.b;\n} else {\ngl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\n}\n",tint:"gl_FragColor.rgb *= (1.0 - uColor.a);\ngl_FragColor.rgb += uColor.rgb;\n"},buildSource:function(t){return"precision highp float;\nuniform sampler2D uTexture;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ngl_FragColor = color;\nif (color.a > 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,h,l=t.imageData,c=l.data,u=c.length,f=1-this.alpha;h=new e.Color(this.color).getSource(),i=h[0]*this.alpha,n=h[1]*this.alpha,r=h[2]*this.alpha;for(var d=0;d<u;d+=4)switch(s=c[d],o=c[d+1],a=c[d+2],this.mode){case"multiply":c[d]=s*i/255,c[d+1]=o*n/255,c[d+2]=a*r/255;break;case"screen":c[d]=255-(255-s)*(255-i)/255,c[d+1]=255-(255-o)*(255-n)/255,c[d+2]=255-(255-a)*(255-r)/255;break;case"add":c[d]=s+i,c[d+1]=o+n,c[d+2]=a+r;break;case"diff":case"difference":c[d]=Math.abs(s-i),c[d+1]=Math.abs(o-n),c[d+2]=Math.abs(a-r);break;case"subtract":c[d]=s-i,c[d+1]=o-n,c[d+2]=a-r;break;case"darken":c[d]=Math.min(s,i),c[d+1]=Math.min(o,n),c[d+2]=Math.min(a,r);break;case"lighten":c[d]=Math.max(s,i),c[d+1]=Math.max(o,n),c[d+2]=Math.max(a,r);break;case"overlay":c[d]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,c[d+1]=n<128?2*o*n/255:255-2*(255-o)*(255-n)/255,c[d+2]=r<128?2*a*r/255:255-2*(255-a)*(255-r)/255;break;case"exclusion":c[d]=i+s-2*i*s/255,c[d+1]=n+o-2*n*o/255,c[d+2]=r+a-2*r*a/255;break;case"tint":c[d]=i+s*f,c[d+1]=n+o*f,c[d+2]=r+a*f}},getUniformLocations:function(t,e){return{uColor:t.getUniformLocation(e,"uColor")}},sendUniformData:function(t,i){var n=new e.Color(this.color).getSource();n[0]=this.alpha*n[0]/255,n[1]=this.alpha*n[1]/255,n[2]=this.alpha*n[2]/255,n[3]=this.alpha,t.uniform4fv(i.uColor,n)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendColor.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric,i=e.Image.filters,n=e.util.createClass;i.BlendImage=n(i.BaseFilter,{type:"BlendImage",image:null,mode:"multiply",alpha:1,vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nuniform mat3 uTransformMatrix;\nvoid main() {\nvTexCoord = aPosition;\nvTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:{multiply:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.rgba *= color2.rgba;\ngl_FragColor = color;\n}",mask:"precision highp float;\nuniform sampler2D uTexture;\nuniform sampler2D uImage;\nuniform vec4 uColor;\nvarying vec2 vTexCoord;\nvarying vec2 vTexCoord2;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec4 color2 = texture2D(uImage, vTexCoord2);\ncolor.a = color2.a;\ngl_FragColor = color;\n}"},retrieveShader:function(t){var e=this.type+"_"+this.mode,i=this.fragmentSource[this.mode];return t.programCache.hasOwnProperty(e)||(t.programCache[e]=this.createProgram(t.context,i)),t.programCache[e]},applyToWebGL:function(t){var e=t.context,i=this.createTexture(t.filterBackend,this.image);this.bindAdditionalTexture(e,i,e.TEXTURE1),this.callSuper("applyToWebGL",t),this.unbindAdditionalTexture(e,e.TEXTURE1)},createTexture:function(t,e){return t.getCachedTexture(e.cacheKey,e._element)},calculateMatrix:function(){var t=this.image,e=t._element.width,i=t._element.height;return[1/t.scaleX,0,0,0,1/t.scaleY,0,-t.left/e,-t.top/i,1]},applyTo2d:function(t){var i,n,r,s,o,a,h,l,c,u,f,d=t.imageData,g=t.filterBackend.resources,p=d.data,v=p.length,m=d.width,y=d.height,_=this.image;g.blendImage||(g.blendImage=e.util.createCanvasElement()),c=g.blendImage,u=c.getContext("2d"),c.width!==m||c.height!==y?(c.width=m,c.height=y):u.clearRect(0,0,m,y),u.setTransform(_.scaleX,0,0,_.scaleY,_.left,_.top),u.drawImage(_._element,0,0,m,y),f=u.getImageData(0,0,m,y).data;for(var b=0;b<v;b+=4)switch(o=p[b],a=p[b+1],h=p[b+2],l=p[b+3],i=f[b],n=f[b+1],r=f[b+2],s=f[b+3],this.mode){case"multiply":p[b]=o*i/255,p[b+1]=a*n/255,p[b+2]=h*r/255,p[b+3]=l*s/255;break;case"mask":p[b+3]=s;break}},getUniformLocations:function(t,e){return{uTransformMatrix:t.getUniformLocation(e,"uTransformMatrix"),uImage:t.getUniformLocation(e,"uImage")}},sendUniformData:function(t,e){var i=this.calculateMatrix();t.uniform1i(e.uImage,1),t.uniformMatrix3fv(e.uTransformMatrix,!1,i)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),e.Image.filters.BlendImage.fromObject=function(t,i){e.Image.fromObject(t.image,(function(n){var r=e.util.object.clone(t);r.image=n,i(new e.Image.filters.BlendImage(r))}))}}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=Math.pow,n=Math.floor,r=Math.sqrt,s=Math.abs,o=Math.round,a=Math.sin,h=Math.ceil,l=e.Image.filters,c=e.util.createClass;l.Resize=c(l.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:1,scaleY:1,lanczosLobes:3,getUniformLocations:function(t,e){return{uDelta:t.getUniformLocation(e,"uDelta"),uTaps:t.getUniformLocation(e,"uTaps")}},sendUniformData:function(t,e){t.uniform2fv(e.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),t.uniform1fv(e.uTaps,this.taps)},retrieveShader:function(t){var e=this.getFilterWindow(),i=this.type+"_"+e;if(!t.programCache.hasOwnProperty(i)){var n=this.generateShader(e);t.programCache[i]=this.createProgram(t.context,n)}return t.programCache[i]},getFilterWindow:function(){var t=this.tempScale;return Math.ceil(this.lanczosLobes/t)},getTaps:function(){for(var t=this.lanczosCreate(this.lanczosLobes),e=this.tempScale,i=this.getFilterWindow(),n=new Array(i),r=1;r<=i;r++)n[r-1]=t(r*e);return n},generateShader:function(t){for(var e=new Array(t),i=this.fragmentSourceTOP,n=1;n<=t;n++)e[n-1]=n+".0 * uDelta";return i+="uniform float uTaps["+t+"];\n",i+="void main() {\n",i+=" vec4 color = texture2D(uTexture, vTexCoord);\n",i+=" float sum = 1.0;\n",e.forEach((function(t,e){i+=" color += texture2D(uTexture, vTexCoord + "+t+") * uTaps["+e+"];\n",i+=" color += texture2D(uTexture, vTexCoord - "+t+") * uTaps["+e+"];\n",i+=" sum += 2.0 * uTaps["+e+"];\n"})),i+=" gl_FragColor = color / sum;\n",i+="}",i},fragmentSourceTOP:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\n",applyTo:function(t){t.webgl?(t.passes++,this.width=t.sourceWidth,this.horizontal=!0,this.dW=Math.round(this.width*this.scaleX),this.dH=t.sourceHeight,this.tempScale=this.dW/this.width,this.taps=this.getTaps(),t.destinationWidth=this.dW,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceWidth=t.destinationWidth,this.height=t.sourceHeight,this.horizontal=!1,this.dH=Math.round(this.height*this.scaleY),this.tempScale=this.dH/this.height,this.taps=this.getTaps(),t.destinationHeight=this.dH,this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t),t.sourceHeight=t.destinationHeight):this.applyTo2d(t)},isNeutralState:function(){return 1===this.scaleX&&1===this.scaleY},lanczosCreate:function(t){return function(e){if(e>=t||e<=-t)return 0;if(e<1.1920929e-7&&e>-1.1920929e-7)return 1;e*=Math.PI;var i=e/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,h=o(s*i),l=o(a*n);"sliceHack"===this.resizeType?r=this.sliceByTwo(t,s,a,h,l):"hermite"===this.resizeType?r=this.hermiteFastResize(t,s,a,h,l):"bilinear"===this.resizeType?r=this.bilinearFiltering(t,s,a,h,l):"lanczos"===this.resizeType&&(r=this.lanczosResize(t,s,a,h,l)),t.imageData=r},sliceByTwo:function(t,i,r,s,o){var a,h,l=t.imageData,c=.5,u=!1,f=!1,d=i*c,g=r*c,p=e.filterBackend.resources,v=0,m=0,y=i,_=0;p.sliceByTwo||(p.sliceByTwo=document.createElement("canvas")),a=p.sliceByTwo,(a.width<1.5*i||a.height<r)&&(a.width=1.5*i,a.height=r),h=a.getContext("2d"),h.clearRect(0,0,1.5*i,r),h.putImageData(l,0,0),s=n(s),o=n(o);while(!u||!f)i=d,r=g,s<n(d*c)?d=n(d*c):(d=s,u=!0),o<n(g*c)?g=n(g*c):(g=o,f=!0),h.drawImage(a,v,m,i,r,y,_,d,g),v=y,m=_,_+=g;return h.getImageData(v,m,s,o)},lanczosResize:function(t,e,o,a,l){function c(t){var h,w,T,O,k,P,E,A,D,j,M;for(C.x=(t+.5)*p,S.x=n(C.x),h=0;h<l;h++){for(C.y=(h+.5)*v,S.y=n(C.y),k=0,P=0,E=0,A=0,D=0,w=S.x-_;w<=S.x+_;w++)if(!(w<0||w>=e)){j=n(1e3*s(w-C.x)),x[j]||(x[j]={});for(var F=S.y-b;F<=S.y+b;F++)F<0||F>=o||(M=n(1e3*s(F-C.y)),x[j][M]||(x[j][M]=g(r(i(j*m,2)+i(M*y,2))/1e3)),T=x[j][M],T>0&&(O=4*(F*e+w),k+=T,P+=T*u[O],E+=T*u[O+1],A+=T*u[O+2],D+=T*u[O+3]))}O=4*(h*a+t),d[O]=P/k,d[O+1]=E/k,d[O+2]=A/k,d[O+3]=D/k}return++t<a?c(t):f}var u=t.imageData.data,f=t.ctx.createImageData(a,l),d=f.data,g=this.lanczosCreate(this.lanczosLobes),p=this.rcpScaleX,v=this.rcpScaleY,m=2/this.rcpScaleX,y=2/this.rcpScaleY,_=h(p*this.lanczosLobes/2),b=h(v*this.lanczosLobes/2),x={},C={},S={};return c(0)},bilinearFiltering:function(t,e,i,r,s){var o,a,h,l,c,u,f,d,g,p,v,m,y,_=0,b=this.rcpScaleX,x=this.rcpScaleY,C=4*(e-1),S=t.imageData,w=S.data,T=t.ctx.createImageData(r,s),O=T.data;for(f=0;f<s;f++)for(d=0;d<r;d++)for(c=n(b*d),u=n(x*f),g=b*d-c,p=x*f-u,y=4*(u*e+c),v=0;v<4;v++)o=w[y+v],a=w[y+4+v],h=w[y+C+v],l=w[y+C+4+v],m=o*(1-g)*(1-p)+a*g*(1-p)+h*p*(1-g)+l*g*p,O[_++]=m;return T},hermiteFastResize:function(t,e,i,o,a){for(var l=this.rcpScaleX,c=this.rcpScaleY,u=h(l/2),f=h(c/2),d=t.imageData,g=d.data,p=t.ctx.createImageData(o,a),v=p.data,m=0;m<a;m++)for(var y=0;y<o;y++){for(var _=4*(y+m*o),b=0,x=0,C=0,S=0,w=0,T=0,O=0,k=(m+.5)*c,P=n(m*c);P<(m+1)*c;P++)for(var E=s(k-(P+.5))/f,A=(y+.5)*l,D=E*E,j=n(y*l);j<(y+1)*l;j++){var M=s(A-(j+.5))/u,F=r(D+M*M);F>1&&F<-1||(b=2*F*F*F-3*F*F+1,b>0&&(M=4*(j+P*e),O+=b*g[M+3],C+=b,g[M+3]<255&&(b=b*g[M+3]/250),S+=b*g[M],w+=b*g[M+1],T+=b*g[M+2],x+=b))}v[_]=S/x,v[_+1]=w/x,v[_+2]=T/x,v[_+3]=O/C}return p},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}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Contrast=n(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=t.imageData,n=i.data,r=n.length,s=Math.floor(255*this.contrast),o=259*(s+255)/(255*(259-s));for(e=0;e<r;e+=4)n[e]=o*(n[e]-128)+128,n[e+1]=o*(n[e+1]-128)+128,n[e+2]=o*(n[e+2]-128)+128}},getUniformLocations:function(t,e){return{uContrast:t.getUniformLocation(e,"uContrast")}},sendUniformData:function(t,e){t.uniform1f(e.uContrast,this.contrast)}}),e.Image.filters.Contrast.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Saturation=n(i.BaseFilter,{type:"Saturation",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uSaturation;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat rgMax = max(color.r, color.g);\nfloat rgbMax = max(rgMax, color.b);\ncolor.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\ncolor.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\ncolor.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\ngl_FragColor = color;\n}",saturation:0,mainParameter:"saturation",applyTo2d:function(t){if(0!==this.saturation){var e,i,n=t.imageData,r=n.data,s=r.length,o=-this.saturation;for(e=0;e<s;e+=4)i=Math.max(r[e],r[e+1],r[e+2]),r[e]+=i!==r[e]?(i-r[e])*o:0,r[e+1]+=i!==r[e+1]?(i-r[e+1])*o:0,r[e+2]+=i!==r[e+2]?(i-r[e+2])*o:0}},getUniformLocations:function(t,e){return{uSaturation:t.getUniformLocation(e,"uSaturation")}},sendUniformData:function(t,e){t.uniform1f(e.uSaturation,-this.saturation)}}),e.Image.filters.Saturation.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Blur=n(i.BaseFilter,{type:"Blur",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec2 uDelta;\nvarying vec2 vTexCoord;\nconst float nSamples = 15.0;\nvec3 v3offset = vec3(12.9898, 78.233, 151.7182);\nfloat random(vec3 scale) {\nreturn fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\n}\nvoid main() {\nvec4 color = vec4(0.0);\nfloat total = 0.0;\nfloat offset = random(v3offset);\nfor (float t = -nSamples; t <= nSamples; t++) {\nfloat percent = (t + offset - 0.5) / nSamples;\nfloat weight = 1.0 - abs(percent);\ncolor += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\ntotal += weight;\n}\ngl_FragColor = color / total;\n}",blur:0,mainParameter:"blur",applyTo:function(t){t.webgl?(this.aspectRatio=t.sourceWidth/t.sourceHeight,t.passes++,this._setupFrameBuffer(t),this.horizontal=!0,this.applyToWebGL(t),this._swapTextures(t),this._setupFrameBuffer(t),this.horizontal=!1,this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},applyTo2d:function(t){t.imageData=this.simpleBlur(t)},simpleBlur:function(t){var i,n,r=t.filterBackend.resources,s=t.imageData.width,o=t.imageData.height;r.blurLayer1||(r.blurLayer1=e.util.createCanvasElement(),r.blurLayer2=e.util.createCanvasElement()),i=r.blurLayer1,n=r.blurLayer2,i.width===s&&i.height===o||(n.width=i.width=s,n.height=i.height=o);var a,h,l,c,u=i.getContext("2d"),f=n.getContext("2d"),d=15,g=.06*this.blur*.5;for(u.putImageData(t.imageData,0,0),f.clearRect(0,0,s,o),c=-d;c<=d;c++)a=(Math.random()-.5)/4,h=c/d,l=g*h*s+a,f.globalAlpha=1-Math.abs(h),f.drawImage(i,l,a),u.drawImage(n,0,0),f.globalAlpha=1,f.clearRect(0,0,n.width,n.height);for(c=-d;c<=d;c++)a=(Math.random()-.5)/4,h=c/d,l=g*h*o+a,f.globalAlpha=1-Math.abs(h),f.drawImage(i,a,l),u.drawImage(n,0,0),f.globalAlpha=1,f.clearRect(0,0,n.width,n.height);t.ctx.drawImage(i,0,0);var p=t.ctx.getImageData(0,0,i.width,i.height);return u.globalAlpha=1,u.clearRect(0,0,i.width,i.height),p},getUniformLocations:function(t,e){return{delta:t.getUniformLocation(e,"uDelta")}},sendUniformData:function(t,e){var i=this.chooseRightDelta();t.uniform2fv(e.delta,i)},chooseRightDelta:function(){var t,e=1,i=[0,0];return this.horizontal?this.aspectRatio>1&&(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}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Gamma=n(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,n=i.data,r=this.gamma,s=n.length,o=1/r[0],a=1/r[1],h=1/r[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,s=256;e<s;e++)this.rVals[e]=255*Math.pow(e/255,o),this.gVals[e]=255*Math.pow(e/255,a),this.bVals[e]=255*Math.pow(e/255,h);for(e=0,s=n.length;e<s;e+=4)n[e]=this.rVals[n[e]],n[e+1]=this.gVals[n[e+1]],n[e+2]=this.bVals[n[e+2]]},getUniformLocations:function(t,e){return{uGamma:t.getUniformLocation(e,"uGamma")}},sendUniformData:function(t,e){t.uniform3fv(e.uGamma,this.gamma)}}),e.Image.filters.Gamma.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.Composed=n(i.BaseFilter,{type:"Composed",subFilters:[],initialize:function(t){this.callSuper("initialize",t),this.subFilters=this.subFilters.slice(0)},applyTo:function(t){t.passes+=this.subFilters.length-1,this.subFilters.forEach((function(e){e.applyTo(t)}))},toObject:function(){return e.util.object.extend(this.callSuper("toObject"),{subFilters:this.subFilters.map((function(t){return t.toObject()}))})},isNeutralState:function(){return!this.subFilters.some((function(t){return!t.isNeutralState()}))}}),e.Image.filters.Composed.fromObject=function(t,i){var n=t.subFilters||[],r=n.map((function(t){return new e.Image.filters[t.type](t)})),s=new e.Image.filters.Composed({subFilters:r});return i&&i(s),s}}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,n=e.util.createClass;i.HueRotation=n(i.ColorMatrix,{type:"HueRotation",rotation:0,mainParameter:"rotation",calculateMatrix:function(){var t=this.rotation*Math.PI,i=e.util.cos(t),n=e.util.sin(t),r=1/3,s=Math.sqrt(r)*n,o=1-i;this.matrix=[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],this.matrix[0]=i+o/3,this.matrix[1]=r*o-s,this.matrix[2]=r*o+s,this.matrix[5]=r*o+s,this.matrix[6]=i+r*o,this.matrix[7]=r*o-s,this.matrix[10]=r*o-s,this.matrix[11]=r*o+s,this.matrix[12]=i+r*o},isNeutralState:function(t){return this.calculateMatrix(),i.BaseFilter.prototype.isNeutralState.call(this,t)},applyTo:function(t){this.calculateMatrix(),i.BaseFilter.prototype.applyTo.call(this,t)}}),e.Image.filters.HueRotation.fromObject=e.Image.filters.BaseFilter.fromObject}(e),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone;if(e.Text)e.warn("fabric.Text is already defined");else{var n="fontFamily fontWeight fontSize text underline overline linethrough textAlign fontStyle lineHeight textBackgroundColor charSpacing styles path".split(" ");e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles","path"],_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]/g,_reSpaceAndTab:/[ \t\r]/,_reWords:/\S+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",underline:!1,overline:!1,linethrough:!1,textAlign:"left",fontStyle:"normal",lineHeight:1.16,superscript:{size:.6,baseline:-.35},subscript:{size:.6,baseline:.11},textBackgroundColor:"",stateProperties:e.Object.prototype.stateProperties.concat(n),cacheProperties:e.Object.prototype.cacheProperties.concat(n),stroke:null,shadow:null,_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,deltaY:0,_styleProperties:["stroke","strokeWidth","fill","fontFamily","fontSize","fontWeight","fontStyle","underline","overline","linethrough","deltaY","textBackgroundColor"],__charBounds:[],CACHE_FONT_SIZE:400,MIN_TEXT_WIDTH:2,initialize:function(t,e){this.styles=e&&e.styles||{},this.text=t,this.__skipDimension=!0,this.callSuper("initialize",e),this.path&&this.setPathInfo(),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:"_dimensionAffectingProps"})},setPathInfo:function(){var t=this.path;t&&(t.segmentsInfo=e.util.getPathSegmentsInfo(t.path))},getMeasuringContext:function(){return e._measuringContext||(e._measuringContext=this.canvas&&this.canvas.contextCache||e.util.createCanvasElement().getContext("2d")),e._measuringContext},_splitText:function(){var t=this._splitTextIntoLines(this.text);return this.textLines=t.lines,this._textLines=t.graphemeLines,this._unwrappedTextLines=t._unwrappedLines,this._text=t.graphemeText,t},initDimensions:function(){this.__skipDimension||(this._splitText(),this._clearCache(),this.path?(this.width=this.path.width,this.height=this.path.height):(this.width=this.calcTextWidth()||this.cursorWidth||this.MIN_TEXT_WIDTH,this.height=this.calcTextHeight()),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.saveState({propertySet:"_dimensionAffectingProps"}))},enlargeSpaces:function(){for(var t,e,i,n,r,s,o,a=0,h=this._textLines.length;a<h;a++)if(("justify"===this.textAlign||a!==h-1&&!this.isEndOfWrapping(a))&&(n=0,r=this._textLines[a],e=this.getLineWidth(a),e<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs)))){i=o.length,t=(this.width-e)/i;for(var l=0,c=r.length;l<=c;l++)s=this.__charBounds[a][l],this._reSpaceAndTab.test(r[l])?(s.width+=t,s.kernedWidth+=t,s.left+=n,n+=t):s.left+=n}},isEndOfWrapping:function(t){return t===this._textLines.length-1},missingNewlineOffset:function(){return 1},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;e<i;e++){var n=this.getLineWidth(e);n>t&&(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=t.fillStyle,h=this._getLeftOffset(),l=this._getTopOffset(),c=0,u=0,f=this.path,d=0,g=this._textLines.length;d<g;d++)if(e=this.getHeightOfLine(d),this.textBackgroundColor||this.styleHas("textBackgroundColor",d)){n=this._textLines[d],i=this._getLineLeftOffset(d),u=0,c=0,r=this.getValueOfPropertyAt(d,0,"textBackgroundColor");for(var p=0,v=n.length;p<v;p++)s=this.__charBounds[d][p],o=this.getValueOfPropertyAt(d,p,"textBackgroundColor"),f?(t.save(),t.translate(s.renderLeft,s.renderTop),t.rotate(s.angle),t.fillStyle=o,o&&t.fillRect(-s.width/2,-e/this.lineHeight*(1-this._fontSizeFraction),s.width,e/this.lineHeight),t.restore()):o!==r?(t.fillStyle=r,r&&t.fillRect(h+i+c,l,u,e/this.lineHeight),c=s.left,u=s.width,r=o):u+=s.kernedWidth;o&&!f&&(t.fillStyle=o,t.fillRect(h+i+c,l,u,e/this.lineHeight)),l+=e}else l+=e;t.fillStyle=a,this._removeShadow(t)}},getFontCache:function(t){var i=t.fontFamily.toLowerCase();e.charWidthsCache[i]||(e.charWidthsCache[i]={});var n=e.charWidthsCache[i],r=t.fontStyle.toLowerCase()+"_"+(t.fontWeight+"").toLowerCase();return n[r]||(n[r]={}),n[r]},_measureChar:function(t,e,i,n){var r,s,o,a,h=this.getFontCache(e),l=this._getFontDeclaration(e),c=this._getFontDeclaration(n),u=i+t,f=l===c,d=e.fontSize/this.CACHE_FONT_SIZE;if(i&&void 0!==h[i]&&(o=h[i]),void 0!==h[t]&&(a=r=h[t]),f&&void 0!==h[u]&&(s=h[u],a=s-o),void 0===r||void 0===o||void 0===s){var g=this.getMeasuringContext();this._setTextStyles(g,e,!0)}return void 0===r&&(a=r=g.measureText(t).width,h[t]=r),void 0===o&&f&&i&&(o=g.measureText(i).width,h[i]=o),f&&void 0===s&&(s=g.measureText(u).width,h[u]=s,a=s-o),{width:r*d,kernedWidth:a*d}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var i,n,r,s,o,a,h=0,l=this._textLines[t],c=0,u=new Array(l.length),f=0,d=this.path;for(this.__charBounds[t]=u,d&&(o=e.util.getPointOnPath(d.path,0,d.segmentsInfo),a=d.segmentsInfo[d.segmentsInfo.length-1].length,o.x+=d.pathOffset.x,o.y+=d.pathOffset.y),i=0;i<l.length;i++)n=l[i],s=this._getGraphemeBox(n,t,i,r),d&&(f>a&&(f%=a),this._setGraphemeOnPath(f,s,o)),u[i]=s,h+=s.kernedWidth,f+=s.kernedWidth,r=n;return u[i]={left:s?s.left+s.width:0,width:0,kernedWidth:0,height:this.fontSize},{width:h,numOfSpaces:c}},_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},_getGraphemeBox:function(t,e,i,n,r){var s,o=this.getCompleteStyleDeclaration(e,i),a=n?this.getCompleteStyleDeclaration(e,i-1):{},h=this._measureChar(t,o,n,a),l=h.kernedWidth,c=h.width;0!==this.charSpacing&&(s=this._getWidthOfCharSpacing(),c+=s,l+=s);var u={width:c,left:0,height:o.fontSize,kernedWidth:l,deltaY:o.deltaY};if(i>0&&!r){var f=this.__charBounds[e][i-1];u.left=f.left+f.width+h.kernedWidth-h.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;n<r;n++)i=Math.max(this.getHeightOfChar(t,n),i);return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var t,e=0,i=0,n=this._textLines.length;i<n;i++)t=this.getHeightOfLine(i),e+=i===n-1?t/this.lineHeight:t;return e},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(t,e){t.save();for(var i=0,n=this._getLeftOffset(),r=this._getTopOffset(),s=0,o=this._textLines.length;s<o;s++){var a=this.getHeightOfLine(s),h=a/this.lineHeight,l=this._getLineLeftOffset(s);this._renderTextLine(e,t,this._textLines[s],n+l,r+i+h,s),i+=a}t.restore()},_renderTextFill:function(t){(this.fill||this.styleHas("fill"))&&this._renderTextCommon(t,"fillText")},_renderTextStroke:function(t){(this.stroke&&0!==this.strokeWidth||!this.isEmptyStyles())&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray),t.beginPath(),this._renderTextCommon(t,"strokeText"),t.closePath(),t.restore())},_renderChars:function(t,e,i,n,r,s){var o,a,h,l,c=this.getHeightOfLine(s),u=-1!==this.textAlign.indexOf("justify"),f="",d=0,g=this.path,p=!u&&0===this.charSpacing&&this.isEmptyStyles(s)&&!g;if(e.save(),r-=c*this._fontSizeFraction/this.lineHeight,p)return this._renderChar(t,e,s,0,i.join(""),n,r,c),void e.restore();for(var v=0,m=i.length-1;v<=m;v++)l=v===m||this.charSpacing||g,f+=i[v],h=this.__charBounds[s][v],0===d?(n+=h.kernedWidth-h.width,d+=h.width):d+=h.kernedWidth,u&&!l&&this._reSpaceAndTab.test(i[v])&&(l=!0),l||(o=o||this.getCompleteStyleDeclaration(s,v),a=this.getCompleteStyleDeclaration(s,v+1),l=this._hasStyleChanged(o,a)),l&&(g?(e.save(),e.translate(h.renderLeft,h.renderTop),e.rotate(h.angle),this._renderChar(t,e,s,v,f,-d/2,0,c),e.restore()):this._renderChar(t,e,s,v,f,n,r,c),f="",o=a,n+=d,d=0);e.restore()},_applyPatternGradientTransformText:function(t){var i,n=e.util.createCanvasElement(),r=this.width+this.strokeWidth,s=this.height+this.strokeWidth;return n.width=r,n.height=s,i=n.getContext("2d"),i.beginPath(),i.moveTo(0,0),i.lineTo(r,0),i.lineTo(r,s),i.lineTo(0,s),i.closePath(),i.translate(r/2,s/2),i.fillStyle=t.toLive(i),this._applyPatternGradientTransform(i,t),i.fill(),i.createPattern(n,"no-repeat")},handleFiller:function(t,e,i){var n,r;return i.toLive?"percentage"===i.gradientUnits||i.gradientTrasnform||i.patternTransform?(n=-this.width/2,r=-this.height/2,t.translate(n,r),t[e]=this._applyPatternGradientTransformText(i),{offsetX:n,offsetY:r}):(t[e]=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):(t[e]=i,{offsetX:0,offsetY:0})},_setStrokeStyles:function(t,e){return t.lineWidth=e.strokeWidth,t.lineCap=this.strokeLineCap,t.lineDashOffset=this.strokeDashOffset,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,this.handleFiller(t,"strokeStyle",e.stroke)},_setFillStyles:function(t,e){return this.handleFiller(t,"fillStyle",e.fill)},_renderChar:function(t,e,i,n,r,s,o){var a,h,l=this._getStyleDeclaration(i,n),c=this.getCompleteStyleDeclaration(i,n),u="fillText"===t&&c.fill,f="strokeText"===t&&c.stroke&&c.strokeWidth;(f||u)&&(e.save(),u&&(a=this._setFillStyles(e,c)),f&&(h=this._setStrokeStyles(e,c)),e.font=this._getFontDeclaration(c),l&&l.textBackgroundColor&&this._removeShadow(e),l&&l.deltaY&&(o+=l.deltaY),u&&e.fillText(r,s-a.offsetX,o-a.offsetY),f&&e.strokeText(r,s-h.offsetX,o-h.offsetY),e.restore())},setSuperscript:function(t,e){return this._setScript(t,e,this.superscript)},setSubscript:function(t,e){return this._setScript(t,e,this.subscript)},_setScript:function(t,e,i){var n=this.get2DCursorLocation(t,!0),r=this.getValueOfPropertyAt(n.lineIndex,n.charIndex,"fontSize"),s=this.getValueOfPropertyAt(n.lineIndex,n.charIndex,"deltaY"),o={fontSize:r*i.size,deltaY:s+r*i.baseline};return this.setSelectionStyles(o,t,e),this},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth||t.fontSize!==e.fontSize||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.deltaY!==e.deltaY},_hasStyleChangedForSvg:function(t,e){return this._hasStyleChanged(t,e)||t.overline!==e.overline||t.underline!==e.underline||t.linethrough!==e.linethrough},_getLineLeftOffset:function(t){var e=this.getLineWidth(t);return"center"===this.textAlign?(this.width-e)/2:"right"===this.textAlign?this.width-e:"justify-center"===this.textAlign&&this.isEndOfWrapping(t)?(this.width-e)/2:"justify-right"===this.textAlign&&this.isEndOfWrapping(t)?this.width-e:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var t=this._forceClearCache;return t||(t=this.hasStateChanged("_dimensionAffectingProps")),t&&(this.dirty=!0,this._forceClearCache=!1),t},getLineWidth:function(t){if(this.__lineWidths[t])return this.__lineWidths[t];var e,i,n=this._textLines[t];return""===n?e=0:(i=this.measureLine(t),e=i.width),this.__lineWidths[t]=e,e},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},getValueOfPropertyAt:function(t,e,i){var n=this._getStyleDeclaration(t,e);return n&&"undefined"!==typeof n[i]?n[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){for(var i,n,r,s,o,a,h,l,c,u,f,d,g,p,v,m,y=this._getLeftOffset(),_=this._getTopOffset(),b=this.path,x=this._getWidthOfCharSpacing(),C=0,S=this._textLines.length;C<S;C++)if(i=this.getHeightOfLine(C),this[e]||this.styleHas(e,C)){h=this._textLines[C],p=i/this.lineHeight,s=this._getLineLeftOffset(C),u=0,f=0,l=this.getValueOfPropertyAt(C,0,e),m=this.getValueOfPropertyAt(C,0,"fill"),c=_+p*(1-this._fontSizeFraction),n=this.getHeightOfChar(C,0),o=this.getValueOfPropertyAt(C,0,"deltaY");for(var w=0,T=h.length;w<T;w++)d=this.__charBounds[C][w],g=this.getValueOfPropertyAt(C,w,e),v=this.getValueOfPropertyAt(C,w,"fill"),r=this.getHeightOfChar(C,w),a=this.getValueOfPropertyAt(C,w,"deltaY"),b&&g&&v?(t.save(),t.fillStyle=m,t.translate(d.renderLeft,d.renderTop),t.rotate(d.angle),t.fillRect(-d.kernedWidth/2,this.offsets[e]*r+a,d.kernedWidth,this.fontSize/15),t.restore()):(g!==l||v!==m||r!==n||a!==o)&&f>0?(l&&m&&t.fillRect(y+s+u,c+this.offsets[e]*n+o,f,this.fontSize/15),u=d.left,f=d.width,l=g,m=v,n=r,o=a):f+=d.kernedWidth;t.fillStyle=v,g&&v&&t.fillRect(y+s+u,c+this.offsets[e]*n+o,f-x,this.fontSize/15),_+=i}else _+=i;this._removeShadow(t)}},_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=new Array(i.length),r=["\n"],s=[],o=0;o<i.length;o++)n[o]=e.util.string.graphemeSplit(i[o]),s=s.concat(n[o],r);return s.pop(),{_unwrappedLines:n,lines:i,graphemeText:s,graphemeLines:n}},toObject:function(t){var e=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","underline","overline","linethrough","textAlign","textBackgroundColor","charSpacing"].concat(t),n=this.callSuper("toObject",e);return n.styles=i(this.styles,!0),n},set:function(t,e){this.callSuper("set",t,e);var i=!1,n=!1;if("object"===typeof t)for(var r in t)"path"===r&&this.setPathInfo(),i=i||-1!==this._dimensionAffectingProps.indexOf(r),n=n||"path"===r;else i=-1!==this._dimensionAffectingProps.indexOf(t),n="path"===t;return n&&this.setPathInfo(),i&&(this.initDimensions(),this.setCoords()),this},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,n,r){if(!t)return n(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES),o=s.textAnchor||"left";if(r=e.util.object.extend(r?i(r):{},s),r.top=r.top||0,r.left=r.left||0,s.textDecoration){var a=s.textDecoration;-1!==a.indexOf("underline")&&(r.underline=!0),-1!==a.indexOf("overline")&&(r.overline=!0),-1!==a.indexOf("line-through")&&(r.linethrough=!0),delete r.textDecoration}"dx"in s&&(r.left+=s.dx),"dy"in s&&(r.top+=s.dy),"fontSize"in r||(r.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE);var h="";"textContent"in t?h=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(h=t.firstChild.data),h=h.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var l=r.strokeWidth;r.strokeWidth=0;var c=new e.Text(h,r),u=c.getScaledHeight()/c.height,f=(c.height+c.strokeWidth)*c.lineHeight-c.height,d=f*u,g=c.getScaledHeight()+d,p=0;"center"===o&&(p=c.getScaledWidth()/2),"right"===o&&(p=c.getScaledWidth()),c.set({left:c.left-p,top:c.top-(g-c.fontSize*(.07+c._fontSizeFraction))/c.lineHeight,strokeWidth:"undefined"!==typeof l?l:1}),n(c)},e.Text.fromObject=function(t,i){return e.Object._fromObject("Text",t,i,"text")},e.Text.genericFonts=["sans-serif","serif","cursive","fantasy","monospace"],e.util.createAccessors&&e.util.createAccessors(e.Text)}}(e),function(){n.util.object.extend(n.Text.prototype,{isEmptyStyles:function(t){if(!this.styles)return!0;if("undefined"!==typeof t&&!this.styles[t])return!0;var e="undefined"===typeof t?this.styles:{line:this.styles[t]};for(var i in e)for(var n in e[i])for(var r in e[i][n])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if("undefined"!==typeof e&&!this.styles[e])return!1;var i="undefined"===typeof e?this.styles:{0:this.styles[e]};for(var n in i)for(var r in i[n])if("undefined"!==typeof i[n][r][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,n=this.styles,r=0,s=!0,o=0;for(var a in n){for(var h in e=0,n[a]){var l=n[a][h],c=l.hasOwnProperty(t);r++,c?(i?l[t]!==i&&(s=!1):i=l[t],l[t]===this[t]&&delete l[t]):s=!1,0!==Object.keys(l).length?e++:delete n[a][h]}0===e&&delete n[a]}for(var u=0;u<this._textLines.length;u++)o+=this._textLines[u].length;s&&r===o&&(this[t]=i,this.removeStyle(t))},removeStyle:function(t){if(this.styles&&t&&""!==t){var e,i,n,r=this.styles;for(i in r){for(n in e=r[i],e)delete e[n][t],0===Object.keys(e[n]).length&&delete e[n];0===Object.keys(e).length&&delete r[i]}}},_extendStyles:function(t,e){var i=this.get2DCursorLocation(t);this._getLineStyle(i.lineIndex)||this._setLineStyle(i.lineIndex),this._getStyleDeclaration(i.lineIndex,i.charIndex)||this._setStyleDeclaration(i.lineIndex,i.charIndex,{}),n.util.object.extend(this._getStyleDeclaration(i.lineIndex,i.charIndex),e)},get2DCursorLocation:function(t,e){"undefined"===typeof t&&(t=this.selectionStart);for(var i=e?this._unwrappedTextLines:this._textLines,n=i.length,r=0;r<n;r++){if(t<=i[r].length)return{lineIndex:r,charIndex:t};t-=i[r].length+this.missingNewlineOffset(r)}return{lineIndex:r-1,charIndex:i[r-1].length<t?i[r-1].length:t}},getSelectionStyles:function(t,e,i){"undefined"===typeof t&&(t=this.selectionStart||0),"undefined"===typeof e&&(e=this.selectionEnd||t);for(var n=[],r=t;r<e;r++)n.push(this.getStyleAtPosition(r,i));return n},getStyleAtPosition:function(t,e){var i=this.get2DCursorLocation(t),n=e?this.getCompleteStyleDeclaration(i.lineIndex,i.charIndex):this._getStyleDeclaration(i.lineIndex,i.charIndex);return n||{}},setSelectionStyles:function(t,e,i){"undefined"===typeof e&&(e=this.selectionStart||0),"undefined"===typeof i&&(i=this.selectionEnd||e);for(var n=e;n<i;n++)this._extendStyles(n,t);return this._forceClearCache=!0,this},_getStyleDeclaration:function(t,e){var i=this.styles&&this.styles[t];return i?i[e]:null},getCompleteStyleDeclaration:function(t,e){for(var i,n=this._getStyleDeclaration(t,e)||{},r={},s=0;s<this._styleProperties.length;s++)i=this._styleProperties[s],r[i]="undefined"===typeof n[i]?this[i]:n[i];return r},_setStyleDeclaration:function(t,e,i){this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){delete this.styles[t][e]},_getLineStyle:function(t){return!!this.styles[t]},_setLineStyle:function(t){this.styles[t]={}},_deleteLineStyle:function(t){delete this.styles[t]}})}(),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}n.IText=n.util.createClass(n.Text,n.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,_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){"undefined"===typeof 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 h=0;h<i;h++)s+=this.getHeightOfLine(h);e=this._getLineLeftOffset(i);var l=this.__charBounds[i][n];return l&&(o=l.left),0!==this.charSpacing&&n===this._textLines[i].length&&(o-=this._getWidthOfCharSpacing()),r={top:s,left:e+(o>0?o:0)},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,h=t.topOffset,l=this.getValueOfPropertyAt(n,r,"deltaY");h+=(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,h+t.top+l,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,h=o.lineIndex,l=s.charIndex<0?0:s.charIndex,c=o.charIndex<0?0:o.charIndex,u=a;u<=h;u++){var f=this._getLineLeftOffset(u)||0,d=this.getHeightOfLine(u),g=0,p=0,v=0;if(u===a&&(p=this.__charBounds[a][l].left),u>=a&&u<h)v=r&&!this.isEndOfWrapping(u)?this.width:this.getLineWidth(u)||5;else if(u===h)if(0===c)v=this.__charBounds[h][c].left;else{var m=this._getWidthOfCharSpacing();v=this.__charBounds[h][c-1].left+this.__charBounds[h][c-1].width-m}g=d,(this.lineHeight<1||u===h&&this.lineHeight>1)&&(d/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+f+p,t.top+t.topOffset+d,v-p,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+f+p,t.top+t.topOffset,v-p,d)),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}}}),n.IText.fromObject=function(e,i){if(t(e),e.styles)for(var r in e.styles)for(var s in e.styles[r])t(e.styles[r][s]);n.Object._fromObject("IText",e,i,"text")}}(),function(){var t=n.util.object.clone;n.util.object.extend(n.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||[],n.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]))while(this._reSpace.test(this._text[i]))e++,i--;while(/\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]))while(this._reSpace.test(this._text[i]))e++,i++;while(/\S/.test(this._text[i])&&i<this._text.length)e++,i++;return t+e},findLineBoundaryLeft:function(t){var e=0,i=t-1;while(!/\n/.test(this._text[i])&&i>-1)e++,i--;return t-e},findLineBoundaryRight:function(t){var e=0,i=t;while(!/\n/.test(this._text[i])&&i<this._text.length)e++,i++;return t+e},searchWordBoundary:function(t,e){var i=this._text,r=this._reSpace.test(i[t])?t-1:t,s=i[r],o=n.reNonWord;while(!o.test(s)&&r>0&&r<i.length)r+=e,s=i[r];return o.test(s)&&(r+=1===e?0:1),r},selectWord:function(t){t=t||this.selectionStart;var e=this.searchWordBoundary(t,-1),i=this.searchWordBoundary(t,1);this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(t){t=t||this.selectionStart;var e=this.findLineBoundaryLeft(t),i=this.findLineBoundaryRight(t);return this.selectionStart=e,this.selectionEnd=i,this._fireSelectionChanged(),this._updateTextarea(),this},enterEditing:function(t){if(!this.isEditing&&this.editable)return this.canvas&&(this.canvas.calcOffset(),this.exitEditingOnOthers(this.canvas)),this.isEditing=!0,this.initHiddenTextarea(t),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire("editing:entered"),this._fireSelectionChanged(),this.canvas?(this.canvas.fire("text:editing:entered",{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll(),this):this},exitEditingOnOthers:function(t){t._iTextInstances&&t._iTextInstances.forEach((function(t){t.selected=!1,t.isEditing&&t.exitEditing()}))},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(t){if(this.__isMousedown&&this.isEditing){var e=this.getSelectionStartFromPointer(t.e),i=this.selectionStart,n=this.selectionEnd;(e===this.__selectionStartOnMouseDown&&i!==n||i!==e&&n!==e)&&(e>this.__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 r=i.slice(0,t),s=n.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:s,selectionEnd:s};var o=i.slice(t,e),a=n.util.string.graphemeSplit(o).length;return{selectionStart:s,selectionEnd:s+a}},fromGraphemeToStringSelection:function(t,e,i){var n=i.slice(0,t),r=n.join("").length;if(t===e)return{selectionStart:r,selectionEnd:r};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:r,selectionEnd:r+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,s=i.charIndex,o=this.getValueOfPropertyAt(r,s,"fontSize")*this.lineHeight,a=e.leftOffset,h=this.calcTransformMatrix(),l={x:e.left+a,y:e.top+e.topOffset+o},c=this.canvas.getRetinaScaling(),u=this.canvas.upperCanvasEl,f=u.width/c,d=u.height/c,g=f-o,p=d-o,v=u.clientWidth/f,m=u.clientHeight/d;return l=n.util.transformPoint(l,h),l=n.util.transformPoint(l,this.canvas.viewportTransform),l.x*=v,l.y*=m,l.x<0&&(l.x=0),l.x>g&&(l.x=g),l.y<0&&(l.y=0),l.y>p&&(l.y=p),l.x+=this.canvas._offset.left,l.y+=this.canvas._offset.top,{left:l.x+"px",top:l.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,h=s.lineIndex,l=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;i<this._unwrappedTextLines[o].length;i++)delete this.styles[o][i];if(this.styles[h])for(i=l;i<this._unwrappedTextLines[h].length;i++)n=this.styles[h][i],n&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-l]=n);for(i=o+1;i<=h;i++)delete this.styles[i];this.shiftLineStyles(h,o-h)}else if(this.styles[o]){n=this.styles[o];var c,u,f=l-a;for(i=a;i<l;i++)delete n[i];for(u in this.styles[o])c=parseInt(u,10),c>=l&&(n[c-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,h=this._unwrappedTextLines[e].length===i;for(var l in n||(n=1),this.shiftLineStyles(e,n),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]),this.styles[e]){var c=parseInt(l,10);c>=i&&(a=!0,o[c-i]=this.styles[e][l],h&&0===i||delete this.styles[e][l])}var u=!1;a&&!h&&(this.styles[e+n]=o,u=!0),u&&n--;while(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 h=parseInt(a,10);h>=i&&(s[h+n]=o[h],o[h-n]||delete s[h])}if(this._forceClearCache=!0,r)while(n--)Object.keys(r[n]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+n]=t(r[n]));else if(s){var l=s[i?i-1:1];while(l&&n--)this.styles[e][i+n]=t(l)}},insertNewStyleBlock:function(t,e,i){for(var n=this.get2DCursorLocation(e,!0),r=[0],s=0,o=0;o<t.length;o++)"\n"===t[o]?(s++,r[s]=0):r[s]++;r[0]>0&&(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(o=1;o<s;o++)r[o]>0?this.insertCharStyleObject(n.lineIndex+o,0,r[o],i):i&&(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&&i<e?"right"===this._selectionDirection?this.selectionEnd=i:this.selectionStart=i:(e===t?this._selectionDirection="right":"left"===this._selectionDirection&&(this._selectionDirection="right",this.selectionStart=e),this.selectionEnd=i)},setSelectionInBoundaries:function(){var t=this.text.length;this.selectionStart>t?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),n.util.object.extend(n.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,n=this.getLocalPointer(t),r=0,s=0,o=0,a=0,h=0,l=0,c=this._textLines.length;l<c;l++){if(!(o<=n.y))break;o+=this.getHeightOfLine(l)*this.scaleY,h=l,l>0&&(a+=this._textLines[l-1].length+this.missingNewlineOffset(l-1))}e=this._getLineLeftOffset(h),s=e*this.scaleX,i=this._textLines[h];for(var u=0,f=i.length;u<f;u++){if(r=s,s+=this.__charBounds[h][u].kernedWidth*this.scaleX,!(s<=n.x))break;a++}return this._getNewSelectionStartFromOffset(n,r,s,a,f)},_getNewSelectionStartFromOffset:function(t,e,i,n,r){var s=t.x-e,o=i-t.x,a=o>s||o<0?0:1,h=n+a;return this.flipX&&(h=r-h),h>this._text.length&&(h=this._text.length),h}}),n.util.object.extend(n.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=n.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+t.fontSize+";",n.document.body.appendChild(this.hiddenTextarea),n.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),n.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),n.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),n.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),n.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),n.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),n.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),n.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),n.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(n.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,s,o,a,h=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,l=this._text.length,c=h.length,u=c-l,f=this.selectionStart,d=this.selectionEnd,g=f!==d;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var p=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),v=f>p.selectionStart;g?(i=this._text.slice(f,d),u+=d-f):c<l&&(i=v?this._text.slice(d+u,d):this._text.slice(f,f-u)),r=h.slice(p.selectionEnd-u,p.selectionEnd),i&&i.length&&(r.length&&(s=this.getSelectionStyles(f,f+1,!1),s=r.map((function(){return s[0]}))),g?(o=f,a=d):v?(o=d-i.length,a=d):(o=d,a=d+i.length),this.removeStyleFromTo(o,a)),r.length&&(e&&r.join("")===n.copiedText&&!n.disableStyleCopyPaste&&(s=n.copiedTextStyle),this.insertNewStyleBlock(r,f,s)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(n.copiedText=this.getSelectedText(),n.disableStyleCopyPaste?n.copiedTextStyle=null:n.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||n.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,n=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],n+=i.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),h=this._textLines[r].slice(s);return h.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),h=this._textLines[r].slice(0,s),l=this.missingNewlineOffset(r-1);return-this._textLines[r-1].length+a-h.length+(1-l)},_getIndexOnLine:function(t,e){for(var i,n,r=this._textLines[t],s=this._getLineLeftOffset(t),o=s,a=0,h=0,l=r.length;h<l;h++)if(i=this.__charBounds[t][h].width,o+=i,o>e){n=!0;var c=o-i,u=o,f=Math.abs(c-e),d=Math.abs(u-e);a=d<f?h:h-1;break}return n||(a=r.length-1),a},moveCursorDown:function(t){this.selectionStart>=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="get"+t+"CursorOffset",n=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(n):this.moveCursorWithoutShift(n),0!==n&&(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!==typeof 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){"undefined"===typeof e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,r){"undefined"===typeof r&&(r=i),r>i&&this.removeStyleFromTo(i,r);var s=n.util.string.graphemeSplit(t);this.insertNewStyleBlock(s,i,e),this._text=[].concat(this._text.slice(0,i),s,this._text.slice(r)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),function(){var t=n.util.toFixed,e=/ +/g;n.util.object.extend(n.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0})},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t){var e=!0,i=this.getSvgTextDecoration(this);return[t.textBgRects.join(""),'\t\t<text xml:space="preserve" ',this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",i?'text-decoration="'+i+'" ':"",'style="',this.getSvgStyles(e),'"',this.addPaintOrder()," >",t.textSpans.join(""),"</text>\n"]},_getSVGTextAndBg:function(t,e){var i,n=[],r=[],s=t;this._setSVGBg(r);for(var o=0,a=this._textLines.length;o<a;o++)i=this._getLineLeftOffset(o),(this.textBackgroundColor||this.styleHas("textBackgroundColor",o))&&this._setSVGTextLineBg(r,o,e+i,s),this._setSVGTextLineText(n,o,e+i,s),s+=this.getHeightOfLine(o);return{textSpans:n,textBgRects:r}},_createTextCharSpan:function(i,r,s,o){var a=i!==i.trim()||i.match(e),h=this.getSvgSpanStyles(r,a),l=h?'style="'+h+'"':"",c=r.deltaY,u="",f=n.Object.NUM_FRACTION_DIGITS;return c&&(u=' dy="'+t(c,f)+'" '),['<tspan x="',t(s,f),'" y="',t(o,f),'" ',u,l,">",n.util.string.escapeXml(i),"</tspan>"].join("")},_setSVGTextLineText:function(t,e,i,n){var r,s,o,a,h,l=this.getHeightOfLine(e),c=-1!==this.textAlign.indexOf("justify"),u="",f=0,d=this._textLines[e];n+=l*(1-this._fontSizeFraction)/this.lineHeight;for(var g=0,p=d.length-1;g<=p;g++)h=g===p||this.charSpacing,u+=d[g],o=this.__charBounds[e][g],0===f?(i+=o.kernedWidth-o.width,f+=o.width):f+=o.kernedWidth,c&&!h&&this._reSpaceAndTab.test(d[g])&&(h=!0),h||(r=r||this.getCompleteStyleDeclaration(e,g),s=this.getCompleteStyleDeclaration(e,g+1),h=this._hasStyleChangedForSvg(r,s)),h&&(a=this._getStyleDeclaration(e,g)||{},t.push(this._createTextCharSpan(u,a,i,n)),u="",r=s,i+=f,f=0)},_pushTextBgRect:function(e,i,r,s,o,a){var h=n.Object.NUM_FRACTION_DIGITS;e.push("\t\t<rect ",this._getFillAttributes(i),' x="',t(r,h),'" y="',t(s,h),'" width="',t(o,h),'" height="',t(a,h),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,n){for(var r,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,l=0,c=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;u<f;u++)r=this.__charBounds[e][u],s=this.getValueOfPropertyAt(e,u,"textBackgroundColor"),s!==c?(c&&this._pushTextBgRect(t,c,i+l,n,h,a),l=r.left,h=r.width,c=s):h+=r.kernedWidth;s&&this._pushTextBgRect(t,s,i+l,n,h,a)},_getFillAttributes:function(t){var e=t&&"string"===typeof t?new n.Color(t):"";return e&&e.getSource()&&1!==e.getAlpha()?'opacity="'+e.getAlpha()+'" fill="'+e.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_getSVGLineTopOffset:function(t){for(var e=0,i=0,n=0;n<t;n++)e+=this.getHeightOfLine(n);return i=this.getHeightOfLine(n),{lineTop:e,offset:(this._fontSizeMult-this._fontSizeFraction)*i/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(t){var e=n.Object.prototype.getSvgStyles.call(this,t);return e+" white-space: pre;"}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,_dimensionAffectingProps:e.Text.prototype._dimensionAffectingProps.concat("width"),_wordJoiners:/[ \t\r]/,splitByGrapheme:!1,initDimensions:function(){this.__skipDimension||(this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this._clearCache(),this.dynamicMinWidth=0,this._styleMap=this._generateStyleMap(this._splitText()),this.dynamicMinWidth>this.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;s<t.graphemeLines.length;s++)"\n"===t.graphemeText[n]&&s>0?(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=t+1,s=!1,o=this._styleMap[t],a=this._styleMap[t+1];for(var h in o&&(t=o.line,n=o.offset),a&&(r=a.line,s=r===t,e=a.offset),i="undefined"===typeof t?this.styles:{line:this.styles[t]},i)for(var l in i[h])if(l>=n&&(!s||l<e))for(var c in i[h][l])return!1;return!0},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var n=this._styleMap[t];t=n.line,e=n.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return!!this.styles[e.line]},_setLineStyle:function(t){var e=this._styleMap[t];this.styles[e.line]={}},_wrapText:function(t,e){var i,n=[];for(this.isWrapping=!0,i=0;i<t.length;i++)n=n.concat(this._wrapLine(t[i],i,e));return this.isWrapping=!1,n},_measureWord:function(t,e,i){var n,r=0,s=!0;i=i||0;for(var o=0,a=t.length;o<a;o++){var h=this._getGraphemeBox(t[o],e,o+i,n,s);r+=h.kernedWidth,n=t[o]}return r},_wrapLine:function(t,i,n,r){var s=0,o=this.splitByGrapheme,a=[],h=[],l=o?e.util.string.graphemeSplit(t):t.split(this._wordJoiners),c="",u=0,f=o?"":" ",d=0,g=0,p=0,v=!0,m=this._getWidthOfCharSpacing();r=r||0;0===l.length&&l.push([]),n-=r;for(var y=0;y<l.length;y++)c=o?l[y]:e.util.string.graphemeSplit(l[y]),d=this._measureWord(c,i,u),u+=c.length,s+=g+d-m,s>n&&!v?(a.push(h),h=[],s=d,v=!0):s+=m,v||o||h.push(f),h=h.concat(c),g=o?0:this._measureWord([f],i,u),u++,v=!1,d>p&&(p=d);return y&&a.push(h),p+r>this.dynamicMinWidth&&(this.dynamicMinWidth=p-m+r),a},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t){return this.splitByGrapheme?this.isEndOfWrapping(t)?1:0:1},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),n=this._wrapText(i.lines,this.width),r=new Array(n.length),s=0;s<n.length;s++)r[s]=n[s].join("");return i.lines=r,i.graphemeLines=n,i},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},_removeExtraneousStyles:function(){var t={};for(var e in this._styleMap)this._textLines[e]&&(t[this._styleMap[e].line]=1);for(var e in this.styles)t[e]||delete 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e=this.label,i=0,n=0,r=0,s=0,o=0;o<e.length;o++){if(n+=t.measureText(e[o]).width,n>=s&&(s=n),n>100){var a=e.substring(i,o);t.fillText(a,-n/2,r),r+=20,n=0,i=o}if(r>=40){t.fillText("......",-s/2,r);break}o==e.length-1&&t.fillText(e.substring(i,o+1),-n/2,r)}}}),v=r["fabric"].util.createClass(r["fabric"].Polygon,{type:"polygon",initialize:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[],e=arguments.length>1?arguments[1]:void 0;e||(e={}),this.callSuper("initialize",t,e),this.set("label",e.label||""),this.set("labelFontFamily",e.labelFontFamily||"Helvetica"),this.set("labelFontSize",e.labelFontSize||14),this.set("labelFill",e.labelFill||""),this.set("custom",e.custom||{}),this.set("originLeft",e.left||0),this.set("originTop",e.top||0)},toObject:function(){return 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n=232,r=34;this.viewWidth=e.width-n-r,this.id=e.id,document.getElementById(e.id).style.width=e.width+"PX",this.viewHeight=e.width,this.deviceName=e.deviceName,this.historyData=e.historyData,this.roiName=e.roiName,this.mode=e.mode,this.deviceCode=e.deviceCode,this.scale=1,this.img={width:0,height:0},this.callback=i,this.init()}return a(t,[{key:"init",value:function(){var t=this;this.loadImage().then((function(){t.viewHeight=Number((t.viewWidth*t.img.height/t.img.width).toFixed(2)),t.scale=Number((t.viewWidth/t.img.width).toFixed(2));var e=document.getElementById("".concat(t.id,"_canvas"));e.width=t.viewWidth,e.height=t.viewHeight,t.canvas=new r["fabric"].Canvas("".concat(t.id,"_canvas"),{perPixelTargetFind:!0,selection:!1}),t.historyData.length>0&&t.setData(t.historyData),t.addEventListener(),"[object String]"===Object.prototype.toString.call(t.imageUrl)&&t.setBackgroundImage(t.imageUrl),t.callback("loaded")}))}},{key:"loadImage",value:function(){var t=this;return new 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i=t.target;e||(e=t.target.label),i.set({label:""})})),this.canvas.on("object:scaled",(function(i){var n=i.target,r=n.scaleX,s=n.scaleY;n.set({label:e,width:n.width*r,height:n.height*s,scaleX:1,scaleY:1}),e="",t.canvas.renderAll(),t.callback("select")})),this.canvas.off("object:moving").on("object:moving",(function(e){var i=e.target,n=t.viewHeight-i.height*i.scaleY,r=t.viewWidth-i.width*i.scaleX;null!=i&&(i.top>=n+2?i.top=n:i.top<0&&(i.top=0),i.left>r+2?i.left=r:i.left<0&&(i.left=0))})),this.canvas.off("object:moved").on("object:moved",(function(e){var i=e.target;if("rect"!==i.type){var n={label:i.label,custom:i.custom};t.remove();var r=t.getPointsByCenter(i.points,i.left,i.top,i.originLeft,i.originTop);t.add("polygon",c({points:r},n))}t.callback("select")})),this.canvas.off("mouse:down").on("mouse:down",this.mouseDownUpHandler.bind(this,arguments)),this.canvas.off("mouse:up").on("mouse:up",this.mouseDownUpHandler.bind(this,arguments))}},{key:"mouseDownUpHandler",value:function(t){t.target?("rect"!==t.target.type&&t.target.set({originLeft:t.target.left,originTop:t.target.top}),this.clearSelection(),this.setSelected().renderAll(),this.callback("select")):(this.clearSelection().renderAll(),this.callback())}},{key:"setSelected",value:function(){return this.canvas.getActiveObject().set({fill:f.selection.fill,labelFill:f.selection.labelFill}),this.canvas}},{key:"clearSelection",value:function(){return this.canvas.getObjects().map((function(t){t.set({fill:f.default.fill,labelFill:f.default.labelFill})})),this.canvas}},{key:"calcPosition",value:function(t,e){return Number("y"===e?(t*this.scale).toFixed(2):(t/this.scale).toFixed(2))}},{key:"generateAreaName",value:function(){var t="".concat(this.deviceName,"-围栏区域");this.roiName&&(t=this.roiName);var e=[];this.getOriginData().map((function(i){var n=i.label.replace(t,"");e.push(n)}));for(var i=u[0],n=0,r=u.length;n<r;n++){var s=u[n];if(-1===e.indexOf(s)){i=s;break}}return t+i}},{key:"getPointsByCoord",value:function(t){var e=[];return e.push({x:t.x,y:t.y}),e.push({x:Number((t.x+t.width).toFixed(2)),y:t.y}),e.push({x:Number((t.x+t.width).toFixed(2)),y:Number((t.y+t.height).toFixed(2))}),e.push({x:t.x,y:Number((t.y+t.height).toFixed(2))}),e}},{key:"getCoordByPoint",value:function(t){var e=[],i=[];t.map((function(t){e.push(t.x),i.push(t.y)}));var n=Math.min.apply(Math,e),r=Math.max.apply(Math,e),s=Math.min.apply(Math,i),o=Math.max.apply(Math,i);return{x:n,y:s,width:Number((r-n).toFixed(2)),height:Number((o-s).toFixed(2))}}},{key:"getDataBylLabel",value:function(t){var e=null;return this.getData().map((function(i){i.name==t&&(e=i)})),e}},{key:"add",value:function(t,e){var i=null;if(t=t||"polygon","rect"===t)i=new p(c(c({label:this.generateAreaName(),labelFill:"rgba(51, 51, 51, 1)"},d),e)),i.controls.mtr.visible=!1;else{var n=e&&e.points?e.points:[];if(!n||0===n.length)return;var s=this.getCoordByPoint(n);i=new v(n,c(c(c({label:this.generateAreaName(),labelFill:"rgba(51, 51, 51, 1)"},g),e),{},{left:s.x,top:s.y}));var o=this.viewHeight,a=this.viewWidth;function h(t,e,i){var n=i.points[this.pointIndex].x-i.pathOffset.x,s=i.points[this.pointIndex].y-i.pathOffset.y;return r["fabric"].util.transformPoint({x:n,y:s},r["fabric"].util.multiplyTransformMatrices(i.canvas.viewportTransform,i.calcTransformMatrix()))}function l(t,e,i,n){var s=e.target,h=s.controls[s.__corner],l=s.toLocalPoint(new 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r["fabric"].Control({positionHandler:h,actionHandler:u(n>0?n-1:i.points.length-1,l),actionName:"modifyPolygon",pointIndex:n}),t}),{})}this.canvas.add(i),this.canvas.setActiveObject(i),this.clearSelection(),this.setSelected(),this.canvas.renderAll(),this.callback("add")}},{key:"remove",value:function(){var t=this.canvas.getActiveObject(),e=null;return t&&(e=this.getDataBylLabel(t.label),this.canvas.remove(t),this.callback("remove")),e}},{key:"getSelect",value:function(){return this.canvas.getActiveObject()}},{key:"getData",value:function(){var t=this,e=[];return this.getRoi(this.canvas.toJSON().objects,"x").map((function(i){var n={name:i.label,deviceCode:t.deviceCode,custom:i.custom,points:"rect"===i.type?t.getPointsByCoord(i):i.points,type:i.type};e.push(n)})),e}},{key:"getOriginData",value:function(){return this.canvas.toJSON().objects}},{key:"getRoi",value:function(t,e){var i=this,n=[];return t.forEach((function(t){var r={label:t.label,custom:t.custom,width:i.calcPosition(t.width*t.scaleX,e),height:i.calcPosition(t.height*t.scaleY,e),x:i.calcPosition(t.left,e),y:i.calcPosition(t.top,e),type:t.type};"rect"!==t.type&&(r["points"]=t.points.map((function(t){return{x:i.calcPosition(t.x,e),y:i.calcPosition(t.y,e)}}))),n.push(r)})),n}},{key:"getPointsByCenter",value:function(t,e,i,n,r){return t.map((function(t){return{x:t.x+(e-n),y:t.y+(i-r)}}))}},{key:"setData",value:function(t){var e=this;t.forEach((function(t){var i=e.getCoordByPoint(t.points);e.add(t.type,{label:t.name,custom:t.custom,left:e.calcPosition(i.x,"y"),top:e.calcPosition(i.y,"y"),width:e.calcPosition(i.width,"y"),height:e.calcPosition(i.height,"y"),points:t.points.map((function(t){return{x:e.calcPosition(t.x,"y"),y:e.calcPosition(t.y,"y")}}))})})),this.canvas.renderAll(),this.callback()}},{key:"setActiveByLabel",value:function(t){var e=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"",n=i;void 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i=this;t&&t!=e&&this.$nextTick((function(){i.destroy()}))},deep:!0},inputAreaName:function(t){this.validateInputAreaName(t)},image:function(t,e){var i=this;t!==e?this.$nextTick((function(){i.produce()})):t||this.$nextTick((function(){i.destroy()}))}},computed:{isDevelop:function(){return!1}},created:function(){this.id="qz_roi_container_".concat(this._uid),this.registerComponent()},mounted:function(){var t=this;this.$nextTick((function(){t.produce()}))},methods:{registerComponent:function(){if(this.formComponent&&Object.keys(this.formComponent).length>0){var t=this.isVueOptions(this.formComponent.button||null);if(!t)return;if(n["default"].component("roi-button",t?this.formComponent.button:P),t=this.isVueOptions(this.formComponent.input||null),!t)return;n["default"].component("roi-input",t?this.formComponent.input:R),this.loadSuccess=!0}},validateInputAreaName:function(t){var e=this;if(this.customizeAreaName&&t!==this.currentLabel){var i=this.value.filter((function(e){return e.name===t})).length;if(i>=1)this.$message.warning("区域名称不可重复");else{var n=JSON.parse(JSON.stringify(this.value)),r=n.findIndex((function(t){return t.name===e.currentLabel}));-1!==r&&(n[r].name=t,this.$set(n,r,n[r]),this.canvas&&this.canvas.setActiveByLabel(t,this.currentLabel),this.currentLabel=t,this.$emit("input",n),this.$emit("select",n[r]))}}},produce:function(){"image"===this.mode&&this.image&&this.draw(this.image)},onStreamStatus:function(t,e){this.streamEvent.target=e,2===t.status?"live"===this.mode&&this.getCapture():(this.interval&&clearInterval(this.interval),this.intervalCount=0)},getCapture:function(){var t=this,e=this;this.interval=setInterval((function(){if(e.intervalCount>=t.maxListenTime)return e.intervalCount=0,void clearInterval(e.interval);if(e.intervalCount++,e.streamEvent.target&&e.streamEvent.target.getStreamInfo){var i=e.streamEvent.target.getStreamInfo();Object.keys(i).length>0&&i.width&&i.height&&(e.intervalCount=0,clearInterval(e.interval),e.draw(i))}}),100)},destroy:function(){this.canvas&&(this.canvas.destroy(),this.canvas=null),this.inputAreaName=""},handleRestore:function(){this.canvas&&this.canvas.setData(this.value)},handleRemove:function(){if(this.canvas){var t=this.canvas.remove();this.$emit("remove",t)}},handleAdd:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"rect";if(this.canvas){if(this.canvas.getData().length>=this.limit)return void this.$message.error("抱歉，你最多只可以添加".concat(this.limit,"个围栏区域"));"rect"===e?this.canvas.add(e):"polygon"===e&&new y(this.id,(function(e){t.canvas&&t.canvas.add("polygon",{points:e})}))}},handleConfirm:function(){this.$emit("confirm",this.value)},handleLableSelect:function(t){this.currentLabel=t.name,this.inputAreaName=t.name,this.canvas&&(this.canvas.setActiveByLabel(t.name,t.name),this.$emit("select",t))},refresh:function(){"image"===this.mode||this.reConnect()},reConnect:function(){this.streamEvent.target&&this.streamEvent.target.reconnect()},draw:function(t){var e=this;this.canvas||(this.canvas=new m({id:this.id,img:t,width:this.width,deviceName:this.device.deviceName,deviceCode:this.device.deviceCode,historyData:this.value,roiName:this.roiName,mode:this.mode},(function(t){if(e.canvas){var i=e.canvas.getSelect();e.currentLabel=i?i.label:"",e.inputAreaName=e.currentLabel,e.removeButtonDisable=!i,e.confirmEvent.removeButtonDisable=!i;var n=e.canvas.getData();e.$emit("input",n),"select"===t||"add"===t?e.$emit("select",e.canvas.getDataBylLabel(e.currentLabel)):"loaded"===t?e.setPlayerSize():e.$emit("canvasClick")}})))},setPlayerSize:function(){var t=this.$refs.roiStream;t&&this.canvas&&(t.style.width="".concat(this.canvas.viewWidth,"px"),t.style.height="".concat(this.canvas.viewHeight,"px"),t.style.opacity=1)},getImage:function(){return this.canvas?this.canvas.getImageInfo():"null"},isVueOptions:function(t){return!!t&&("string"===typeof t.template||"function"===typeof t.render)},clear:function(){if(this.canvas)return this.canvas.clearMap()}}});const Y="undefined"!==typeof navigator&&/msie [6-9]\\b/.test(navigator.userAgent.toLowerCase());function X(t){return(t,e)=>z(t,e)}let N;const U={};function z(t,e){const i=Y?e.media||"default":t,n=U[i]||(U[i]={ids:new Set,styles:[]});if(!n.ids.has(t)){n.ids.add(t);let i=e.source;if(e.map&&(i+="\n/*# sourceURL="+e.map.sources[0]+" */",i+="\n/*# 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t.handleAdd("rect")}}},[t._v("新增矩形"+t._s(t.roiName||"围栏区域"))]),t._v(" "),i("roi-button",{staticClass:"roi-button",attrs:{type:"primary"},on:{click:function(e){return t.handleAdd("polygon")}}},[t._v("新增多边形"+t._s(t.roiName||"围栏区域"))])],1)],2),t._v(" "),i("div",{ref:"roiContainer",staticClass:"roi-canvas"},[i("canvas",{staticClass:"canvas-container",attrs:{id:t.id+"_canvas"}}),t._v(" "),"live"===t.mode?i("div",{ref:"roiStream",staticClass:"roi-stream"},[t._t("player",null,{stream:t.streamEvent})],2):t._e()]),t._v(" "),i("div",{staticClass:"roi-confirm"},[t.customizeAreaName?i("div",{staticClass:"roi-name-wrp"},[i("span",[t._v("区域名称")]),t._v(" "),i("roi-input",{staticClass:"roi-name-input",attrs:{size:t.size,placeholder:"请输入围栏名称"},model:{value:t.inputAreaName,callback:function(e){t.inputAreaName=e},expression:"inputAreaName"}})],1):t._e(),t._v(" "),t._t("bottom"),t._v(" "),i("roi-button",{attrs:{size:t.size,type:"primary"},on:{click:t.handleConfirm}},[t._v("确认")]),t._v(" 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#e4e7ed;display:flex;align-items:center;justify-content:space-between}.canvas-container[data-v-b5d171a6]{width:544px;height:306px;z-index:5;border:1px solid #e4e7ed}.roi-confirm[data-v-b5d171a6]{display:flex;align-items:center;border-top:1px solid #e4e7ed;height:64px;line-height:64px}.roi-canvas[data-v-b5d171a6]{position:relative;padding:16px}.roi-stream[data-v-b5d171a6]{position:absolute;left:16px;top:16px;width:544px;height:306px;z-index:1}.roi-main .roi-confirm[data-v-b5d171a6]{padding-left:16px}.roi-aside[data-v-b5d171a6]{width:230px}.roi-aside-title[data-v-b5d171a6]{height:64px;line-height:64px;font-size:14px;border:1px solid #e4e7ed;text-align:left;border-left:none;border-bottom:0;font-size:16px;font-weight:500;color:#33332d;padding-left:12px}.roi-aside-areas[data-v-b5d171a6]{height:calc(100% - 65px);overflow-y:auto;border:1px solid #e4e7ed;border-left:none;font-size:14px;padding:6px;box-sizing:border-box}.roi-aside-areas 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|
|
/*!
|
|
* The buffer module from node.js, for the browser.
|
|
*
|
|
* @author Feross Aboukhadijeh <http://feross.org>
|
|
* @license MIT
|
|
*/
|
|
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