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O=0;O<2;++O){if(O>0&&(f=6*i-12*s+6*a,u=-3*i+9*s-9*a+3*c,d=3*s-3*i),1e-12>S(u)){if(1e-12>S(f))continue;0<(g=-d/f)&&g<1&&w.push(g);continue}!((y=f*f-4*d*u)<0)&&(0<(p=(-f+(b=x(y)))/(2*u))&&p<1&&w.push(p),0<(m=(-f-b)/(2*u))&&m<1&&w.push(m))}for(var k,E,j,M=w.length,P=M;M--;)k=(j=1-(g=w[M]))*j*j*e+3*j*j*g*n+3*j*g*g*o+g*g*g*l,T[0][M]=k,E=j*j*j*i+3*j*j*g*s+3*j*g*g*a+g*g*g*c,T[1][M]=E;T[0][P]=e,T[1][P]=i,T[0][P+1]=l,T[1][P+1]=c;var A=[{x:_.apply(null,T[0]),y:_.apply(null,T[1])},{x:C.apply(null,T[0]),y:C.apply(null,T[1])}];return r.cachesBoundsOfCurve&&(r.boundsOfCurveCache[h]=A),A},r.util.getPointOnPath=function(t,e,i){i||(i=a(t));for(var n=0;e-i[n].length>0&&n<i.length-2;)e-=i[n].length,n++;var o,l=i[n],c=e/l.length,h=l.command,u=t[n];switch(h){case"M":return{x:l.x,y:l.y,angle:0};case"Z":case"z":return(o=new r.Point(l.x,l.y).lerp(new r.Point(l.destX,l.destY),c)).angle=Math.atan2(l.destY-l.y,l.destX-l.x),o;case"L":return(o=new r.Point(l.x,l.y).lerp(new r.Point(u[1],u[2]),c)).angle=Math.atan2(u[2]-l.y,u[1]-l.x),o;case"C":case"Q":return function(t,e){for(var i,n,r,o=0,a=0,l=t.iterator,c={x:t.x,y:t.y},h=.01,u=t.angleFinder;a<e&&h>1e-4;)i=l(o),r=o,(n=s(c.x,c.y,i.x,i.y))+a>e?(o-=h,h/=2):(c=i,o+=h,a+=n);return i.angle=u(r),i}(l,e)}},r.util.transformPath=function(t,e,i){return i&&(e=r.util.multiplyTransformMatrices(e,[1,0,0,1,-i.x,-i.y])),t.map(function(t){for(var i=t.slice(0),n={},s=1;s<t.length-1;s+=2)n.x=t[s],n.y=t[s+1],n=r.util.transformPoint(n,e),i[s]=n.x,i[s+1]=n.y;return i})}}(),function(){var t=Array.prototype.slice;function e(t,e,i){if(t&&0!==t.length){var n=t.length-1,r=e?t[n][e]:t[n];if(e)for(;n--;)i(t[n][e],r)&&(r=t[n][e]);else for(;n--;)i(t[n],r)&&(r=t[n]);return r}}r.util.array={fill:function(t,e){for(var i=t.length;i--;)t[i]=e;return t},invoke:function(e,i){for(var n=t.call(arguments,2),r=[],s=0,o=e.length;s<o;s++)r[s]=n.length?e[s][i].apply(e[s],n):e[s][i].call(e[s]);return r},min:function(t,i){return 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i=t.charCodeAt(e);if(isNaN(i))return"";if(i<55296||i>57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var n=t.charCodeAt(e+1);if(56320>n||n>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var r=t.charCodeAt(e-1);if(55296>r||r>56319)throw"Low surrogate without preceding high surrogate";return!1}(t,i))&&n.push(e);return n}},function(){var t=Array.prototype.slice,e=function(){},i=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),n=function(t,e,n){for(var r in e)r in t.prototype&&"function"==typeof t.prototype[r]&&(e[r]+"").indexOf("callSuper")>-1?t.prototype[r]=function(t){return function(){var i=this.constructor.superclass;this.constructor.superclass=n;var r=e[t].apply(this,arguments);if(this.constructor.superclass=i,"initialize"!==t)return 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t=!!r.document.createElement("div").attachEvent,e=["touchstart","touchmove","touchend"];r.util.addListener=function(e,i,n,r){e&&e.addEventListener(i,n,!t&&r)},r.util.removeListener=function(e,i,n,r){e&&e.removeEventListener(i,n,!t&&r)},r.util.getPointer=function(t){var e,i=t.target,n=r.util.getScrollLeftTop(i),s=(e=t.changedTouches)&&e[0]?e[0]:t;return{x:s.clientX+n.left,y:s.clientY+n.top}},r.util.isTouchEvent=function(t){return e.indexOf(t.type)>-1||"touch"===t.pointerType}}(),function(){var t=r.document.createElement("div"),e="string"==typeof t.style.opacity,i="string"==typeof t.style.filter,n=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,s=function(t){return t};e?s=function(t,e){return t.style.opacity=e,t}:i&&(s=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),n.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(n,e)):i.filter+=" alpha(opacity="+100*e+")",t}),r.util.setStyle=function(t,e){var i=t.style;if(!i)return 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e,n=[],r=this.getAlpha(),s=this.getSource(),o=t.getSource();for(e=0;e<3;e++)n.push(Math.round(.5*s[e]+.5*o[e]));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,l=parseFloat(e[2])/(/%$/.test(e[2])?100:1),c=parseFloat(e[3])/(/%$/.test(e[3])?100:1);if(0===l)r=s=o=c;else{var h=c<=.5?c*(l+1):c+l-c*l,u=2*c-h;r=n(u,h,a+1/3),s=n(u,h,a),o=n(u,h,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),l=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(l,16)/255).toFixed(2))]}},e.Color.fromSource=function(t){var e=new i;return e.setSource(t),e}}(i),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="right",a="bottom",l="center",c={top:a,bottom:"top",left:o,right:s,center:l},h=e.util.radiansToDegrees,u=Math.sign||function(t){return(t>0)-(t<0)||+t};function f(t,e){return Math.round((t.angle+h(Math.atan2(e.y,e.x))+360)%360/45)}function d(t,i){var n=i.transform.target,r=n.canvas,s=e.util.object.clone(i);s.target=n,r&&r.fire("object:"+t,s),n.fire(t,i)}function g(t,e){var i=e.canvas,n=t[i.uniScaleKey];return i.uniformScaling&&!n||!i.uniformScaling&&n}function p(t){return t.originX===l&&t.originY===l}function m(t,e,i){var n=t.lockScalingX,r=t.lockScalingY;return!!n&&!!r||!e&&(!!n||!!r)&&!!i||!!n&&"x"===e||!!r&&"y"===e||!1}function y(t,e,i,n){return{e:t,transform:e,pointer:{x:i,y:n}}}function b(t){return function(e,i,n,r){var s=i.target,o=s.getCenterPoint(),a=s.translateToOriginPoint(o,i.originX,i.originY),l=t(e,i,n,r);return s.setPositionByOrigin(a,i.originX,i.originY),l}}function x(t,e){return function(i,n,r,s){var o=e(i,n,r,s);return o&&d(t,y(i,n,r,s)),o}}function _(t,i,n,r,s){var o=t.target,a=o.controls[t.corner],l=o.canvas.getZoom(),c=o.padding/l,h=o.toLocalPoint(new e.Point(r,s),i,n);return h.x>=c&&(h.x-=c),h.x<=-c&&(h.x+=c),h.y>=c&&(h.y-=c),h.y<=c&&(h.y+=c),h.x-=a.offsetX,h.y-=a.offsetY,h}function C(t){return t.flipX!==t.flipY}function S(t,e,i,n,r){if(0!==t[e]){var s=r/t._getTransformedDimensions()[n]*t[i];t.set(i,s)}}function w(t,e,i,n){var r,l=e.target,c=l._getTransformedDimensions(0,l.skewY),u=Math.abs(2*_(e,e.originX,e.originY,i,n).x)-c.x,f=l.skewX;u<2?r=0:(r=h(Math.atan2(u/l.scaleX,c.y/l.scaleY)),e.originX===s&&e.originY===a&&(r=-r),e.originX===o&&"top"===e.originY&&(r=-r),C(l)&&(r=-r));var d=f!==r;if(d){var g=l._getTransformedDimensions().y;l.set("skewX",r),S(l,"skewY","scaleY","y",g)}return d}function T(t,e,i,n){var r,l=e.target,c=l._getTransformedDimensions(l.skewX,0),u=Math.abs(2*_(e,e.originX,e.originY,i,n).y)-c.y,f=l.skewY;u<2?r=0:(r=h(Math.atan2(u/l.scaleY,c.x/l.scaleX)),e.originX===s&&e.originY===a&&(r=-r),e.originX===o&&"top"===e.originY&&(r=-r),C(l)&&(r=-r));var d=f!==r;if(d){var g=l._getTransformedDimensions().x;l.set("skewY",r),S(l,"skewX","scaleX","x",g)}return d}function O(t,e,i,n,r){r=r||{};var s,o,a,l,h,f,d=e.target,y=d.lockScalingX,b=d.lockScalingY,x=r.by,C=g(t,d),S=m(d,x,C),w=e.gestureScale;if(S)return!1;if(w)o=e.scaleX*w,a=e.scaleY*w;else{if(s=_(e,e.originX,e.originY,i,n),h="y"!==x?u(s.x):1,f="x"!==x?u(s.y):1,e.signX||(e.signX=h),e.signY||(e.signY=f),d.lockScalingFlip&&(e.signX!==h||e.signY!==f))return!1;if(l=d._getTransformedDimensions(),C&&!x){var T=Math.abs(s.x)+Math.abs(s.y),O=e.original,k=T/(Math.abs(l.x*O.scaleX/d.scaleX)+Math.abs(l.y*O.scaleY/d.scaleY));o=O.scaleX*k,a=O.scaleY*k}else o=Math.abs(s.x*d.scaleX/l.x),a=Math.abs(s.y*d.scaleY/l.y);p(e)&&(o*=2,a*=2),e.signX!==h&&"y"!==x&&(e.originX=c[e.originX],o*=-1,e.signX=h),e.signY!==f&&"x"!==x&&(e.originY=c[e.originY],a*=-1,e.signY=f)}var E=d.scaleX,j=d.scaleY;return x?("x"===x&&d.set("scaleX",o),"y"===x&&d.set("scaleY",a)):(y||d.set("scaleX",o),b||d.set("scaleY",a)),E!==d.scaleX||j!==d.scaleY}r.scaleCursorStyleHandler=function(t,e,n){var r=g(t,n),s="";return(0!==e.x&&0===e.y?s="x":0===e.x&&0!==e.y&&(s="y"),m(n,s,r))?"not-allowed":i[f(n,e)]+"-resize"},r.skewCursorStyleHandler=function(t,e,i){return 0!==e.x&&i.lockSkewingY||0!==e.y&&i.lockSkewingX?"not-allowed":n[f(i,e)%4]+"-resize"},r.scaleSkewCursorStyleHandler=function(t,e,i){return t[i.canvas.altActionKey]?r.skewCursorStyleHandler(t,e,i):r.scaleCursorStyleHandler(t,e,i)},r.rotationWithSnapping=x("rotating",b(function(t,e,i,n){var r=e.target,s=r.translateToOriginPoint(r.getCenterPoint(),e.originX,e.originY);if(r.lockRotation)return!1;var o=Math.atan2(e.ey-s.y,e.ex-s.x),a=h(Math.atan2(n-s.y,i-s.x)-o+e.theta),l=!0;if(r.snapAngle>0){var c=r.snapAngle,u=r.snapThreshold||c,f=Math.ceil(a/c)*c,d=Math.floor(a/c)*c;Math.abs(a-d)<u?a=d:Math.abs(a-f)<u&&(a=f)}return a<0&&(a=360+a),a%=360,l=r.angle!==a,r.angle=a,l})),r.scalingEqually=x("scaling",b(function(t,e,i,n){return O(t,e,i,n)})),r.scalingX=x("scaling",b(function(t,e,i,n){return O(t,e,i,n,{by:"x"})})),r.scalingY=x("scaling",b(function(t,e,i,n){return O(t,e,i,n,{by:"y"})})),r.scalingYOrSkewingX=function(t,e,i,n){return t[e.target.canvas.altActionKey]?r.skewHandlerX(t,e,i,n):r.scalingY(t,e,i,n)},r.scalingXOrSkewingY=function(t,e,i,n){return t[e.target.canvas.altActionKey]?r.skewHandlerY(t,e,i,n):r.scalingX(t,e,i,n)},r.changeWidth=x("resizing",b(function(t,e,i,n){var r=e.target,s=_(e,e.originX,e.originY,i,n),o=r.strokeWidth/(r.strokeUniform?r.scaleX:1),a=p(e)?2:1,l=r.width,c=Math.abs(s.x*a/r.scaleX)-o;return r.set("width",Math.max(c,0)),l!==c})),r.skewHandlerX=function(t,e,i,n){var r,a=e.target,c=a.skewX,h=e.originY;return!a.lockSkewingX&&(0===c?r=_(e,l,l,i,n).x>0?s:o:(c>0&&(r="top"===h?s:o),c<0&&(r="top"===h?o:s),C(a)&&(r=r===s?o:s)),e.originX=r,x("skewing",b(w))(t,e,i,n))},r.skewHandlerY=function(t,e,i,n){var r,o=e.target,c=o.skewY,h=e.originX;return!o.lockSkewingY&&(0===c?r=_(e,l,l,i,n).y>0?"top":a:(c>0&&(r=h===s?"top":a),c<0&&(r=h===s?a:"top"),C(o)&&(r="top"===r?a:"top")),e.originY=r,x("skewing",b(T))(t,e,i,n))},r.dragHandler=function(t,e,i,n){var r=e.target,s=i-e.offsetX,o=n-e.offsetY,a=!r.get("lockMovementX")&&r.left!==s,l=!r.get("lockMovementY")&&r.top!==o;return a&&r.set("left",s),l&&r.set("top",o),(a||l)&&d("moving",y(t,e,i,n)),a||l},r.scaleOrSkewActionName=function(t,e,i){var n=t[i.canvas.altActionKey];return 0===e.x?n?"skewX":"scaleY":0===e.y?n?"skewY":"scaleX":void 0},r.rotationStyleHandler=function(t,e,i){return i.lockRotation?"not-allowed":e.cursorStyle},r.fireEvent=d,r.wrapWithFixedAnchor=b,r.wrapWithFireEvent=x,r.getLocalPoint=_,e.controlsUtils=r}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians,n=e.controlsUtils;n.renderCircleControl=function(t,e,i,n,r){n=n||{};var s,o=this.sizeX||n.cornerSize||r.cornerSize,a=this.sizeY||n.cornerSize||r.cornerSize,l=void 0!==n.transparentCorners?n.transparentCorners:r.transparentCorners,c=!l&&(n.cornerStrokeColor||r.cornerStrokeColor),h=e,u=i;t.save(),t.fillStyle=n.cornerColor||r.cornerColor,t.strokeStyle=n.cornerStrokeColor||r.cornerStrokeColor,o>a?(s=o,t.scale(1,a/o),u=i*o/a):a>o?(s=a,t.scale(o/a,1),h=e*a/o):s=o,t.lineWidth=1,t.beginPath(),t.arc(h,u,s/2,0,2*Math.PI,!1),t[l?"stroke":"fill"](),c&&t.stroke(),t.restore()},n.renderSquareControl=function(t,e,n,r,s){r=r||{};var o=this.sizeX||r.cornerSize||s.cornerSize,a=this.sizeY||r.cornerSize||s.cornerSize,l=void 0!==r.transparentCorners?r.transparentCorners:s.transparentCorners,c=!l&&(r.cornerStrokeColor||s.cornerStrokeColor),h=o/2,u=a/2;t.save(),t.fillStyle=r.cornerColor||s.cornerColor,t.strokeStyle=r.cornerStrokeColor||s.cornerStrokeColor,t.lineWidth=1,t.translate(e,n),t.rotate(i(s.angle)),t[(l?"stroke":"fill")+"Rect"](-h,-u,o,a),c&&t.strokeRect(-h,-u,o,a),t.restore()}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Control=function(t){for(var e in t)this[e]=t[e]},e.Control.prototype={visible:!0,actionName:"scale",angle:0,x:0,y:0,offsetX:0,offsetY:0,sizeX:null,sizeY:null,touchSizeX:null,touchSizeY:null,cursorStyle:"crosshair",withConnection:!1,actionHandler:function(){},mouseDownHandler:function(){},mouseUpHandler:function(){},getActionHandler:function(){return this.actionHandler},getMouseDownHandler:function(){return this.mouseDownHandler},getMouseUpHandler:function(){return this.mouseUpHandler},cursorStyleHandler:function(t,e){return e.cursorStyle},getActionName:function(t,e){return e.actionName},getVisibility:function(t,e){var i=t._controlsVisibility;return i&&void 0!==i[e]?i[e]:this.visible},setVisibility:function(t){this.visible=t},positionHandler:function(t,i){return e.util.transformPoint({x:this.x*t.x+this.offsetX,y:this.y*t.y+this.offsetY},i)},calcCornerCoords:function(t,i,n,r,s){var o,a,l,c,h=s?this.touchSizeX:this.sizeX,u=s?this.touchSizeY:this.sizeY;if(h&&u&&h!==u){var f=Math.atan2(u,h),d=Math.sqrt(h*h+u*u)/2,g=f-e.util.degreesToRadians(t),p=Math.PI/2-f-e.util.degreesToRadians(t);o=d*e.util.cos(g),a=d*e.util.sin(g),l=d*e.util.cos(p),c=d*e.util.sin(p)}else{d=.7071067812*(h&&u?h:i);var g=e.util.degreesToRadians(45-t);o=l=d*e.util.cos(g),a=c=d*e.util.sin(g)}return{tl:{x:n-c,y:r-l},tr:{x:n+o,y:r-a},bl:{x:n-o,y:r+a},br:{x:n+c,y:r+l}}},render:function(t,i,n,r,s){"circle"===((r=r||{}).cornerStyle||s.cornerStyle)?e.controlsUtils.renderCircleControl.call(this,t,i,n,r,s):e.controlsUtils.renderSquareControl.call(this,t,i,n,r,s)}}}(i),function(){var t=r.util.object.clone;r.Gradient=r.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:"pixels",type:"linear",initialize:function(t){t||(t={}),t.coords||(t.coords={});var e,i=this;Object.keys(t).forEach(function(e){i[e]=t[e]}),this.id?this.id+="_"+r.Object.__uid++:this.id=r.Object.__uid++,e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice()},addColorStop:function(t){for(var e in t){var i=new r.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientUnits:this.gradientUnits,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return r.util.populateWithProperties(this,e,t),e},toSVG:function(e,i){var n,s,o,a,l=t(this.coords,!0),i=i||{},c=t(this.colorStops,!0),h=l.r1>l.r2,u=this.gradientTransform?this.gradientTransform.concat():r.iMatrix.concat(),f=-this.offsetX,d=-this.offsetY,g=!!i.additionalTransform,p="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(c.sort(function(t,e){return t.offset-e.offset}),"objectBoundingBox"===p?(f/=e.width,d/=e.height):(f+=e.width/2,d+=e.height/2),"path"===e.type&&"percentage"!==this.gradientUnits&&(f-=e.pathOffset.x,d-=e.pathOffset.y),u[4]-=f,u[5]-=d,a='id="SVGID_'+this.id+'" gradientUnits="'+p+'"'+(' gradientTransform="'+(g?i.additionalTransform+" ":"")+r.util.matrixToSVG(u))+'" ',"linear"===this.type?o=["<linearGradient ",a,' x1="',l.x1,'" y1="',l.y1,'" x2="',l.x2,'" y2="',l.y2,'">\n']:"radial"===this.type&&(o=["<radialGradient ",a,' cx="',h?l.x1:l.x2,'" cy="',h?l.y1:l.y2,'" r="',h?l.r1:l.r2,'" fx="',h?l.x2:l.x1,'" fy="',h?l.y2:l.y1,'">\n']),"radial"===this.type){if(h)for((c=c.concat()).reverse(),n=0,s=c.length;n<s;n++)c[n].offset=1-c[n].offset;var m=Math.min(l.r1,l.r2);if(m>0){var y=m/Math.max(l.r1,l.r2);for(n=0,s=c.length;n<s;n++)c[n].offset+=y*(1-c[n].offset)}}for(n=0,s=c.length;n<s;n++){var b=c[n];o.push("<stop ",'offset="',100*b.offset+"%",'" style="stop-color:',b.color,void 0!==b.opacity?";stop-opacity: "+b.opacity:";",'"/>\n')}return o.push("linear"===this.type?"</linearGradient>\n":"</radialGradient>\n"),o.join("")},toLive:function(t){var e,i,n,s=r.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(s.x1,s.y1,s.x2,s.y2):"radial"===this.type&&(e=t.createRadialGradient(s.x1,s.y1,s.r1,s.x2,s.y2,s.r2)),i=0,n=this.colorStops.length;i<n;i++){var o=this.colorStops[i].color,a=this.colorStops[i].opacity,l=this.colorStops[i].offset;void 0!==a&&(o=new r.Color(o).setAlpha(a).toRgba()),e.addColorStop(l,o)}return e}}}),r.util.object.extend(r.Gradient,{fromElement:function(t,e,i,n){var s,o,a,l,c,h,u=parseFloat(i)/(/%$/.test(i)?100:1);isNaN(u=u<0?0:u>1?1:u)&&(u=1);var f,d,g,p,m=t.getElementsByTagName("stop"),y="userSpaceOnUse"===t.getAttribute("gradientUnits")?"pixels":"percentage",b=t.getAttribute("gradientTransform")||"",x=[],_=0,C=0;for("linearGradient"===t.nodeName||"LINEARGRADIENT"===t.nodeName?(f="linear",d={x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}):(f="radial",d={x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}),g=m.length;g--;)x.push(function(t,e){var i,n,s,o,a=t.getAttribute("style"),l=t.getAttribute("offset")||0;if(l=(l=parseFloat(l)/(/%$/.test(l)?100:1))<0?0:l>1?1:l,a){var c=a.split(/\s*;\s*/);for(""===c[c.length-1]&&c.pop(),o=c.length;o--;){var h=c[o].split(/\s*:\s*/),u=h[0].trim(),f=h[1].trim();"stop-color"===u?i=f:"stop-opacity"===u&&(s=f)}}return i||(i=t.getAttribute("stop-color")||"rgb(0,0,0)"),s||(s=t.getAttribute("stop-opacity")),n=(i=new r.Color(i)).getAlpha(),s=(isNaN(parseFloat(s))?1:parseFloat(s))*(n*e),{offset:l,color:i.toRgb(),opacity:s}}(m[g],u));return p=r.parseTransformAttribute(b),s=0,o=d,a=n,l=y,Object.keys(o).forEach(function(t){"Infinity"===(c=o[t])?h=1:"-Infinity"===c?h=0:(h=parseFloat(o[t],10),"string"==typeof c&&/^(\d+\.\d+)%|(\d+)%$/.test(c)&&(h*=.01,"pixels"===l&&(("x1"===t||"x2"===t||"r2"===t)&&(h*=a.viewBoxWidth||a.width),("y1"===t||"y2"===t)&&(h*=a.viewBoxHeight||a.height)))),o[t]=h}),"pixels"===y&&(_=-e.left,C=-e.top),new r.Gradient({id:t.getAttribute("id"),type:f,coords:d,colorStops:x,gradientUnits:y,gradientTransform:p,offsetX:_,offsetY:C})}})}(),function(){"use strict";var t=r.util.toFixed;r.Pattern=r.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,crossOrigin:"",patternTransform:null,initialize:function(t,e){if(t||(t={}),this.id=r.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source){e&&e(this);return}var i=this;this.source=r.util.createImage(),r.util.loadImage(t.source,function(t,n){i.source=t,e&&e(i,n)},null,this.crossOrigin)},toObject:function(e){var i,n,s=r.Object.NUM_FRACTION_DIGITS;return"string"==typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),n={type:"pattern",source:i,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:t(this.offsetX,s),offsetY:t(this.offsetY,s),patternTransform:this.patternTransform?this.patternTransform.concat():null},r.util.populateWithProperties(this,n,e),n},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,n=e.height/t.height,r=this.offsetX/t.width,s=this.offsetY/t.height,o="";return("repeat-x"===this.repeat||"no-repeat"===this.repeat)&&(n=1,s&&(n+=Math.abs(s))),("repeat-y"===this.repeat||"no-repeat"===this.repeat)&&(i=1,r&&(i+=Math.abs(r))),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'<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;return e&&(void 0===e.src||e.complete&&0!==e.naturalWidth&&0!==e.naturalHeight)?t.createPattern(e,this.repeat):""}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;if(e.Shadow)return e.warn("fabric.Shadow is already defined.");e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(t){for(var i in"string"==typeof t&&(t=this._parseShadow(t)),t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),n=e.Shadow.reOffsetsAndBlur.exec(i)||[];return{color:(i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseFloat(n[1],10)||0,offsetY:parseFloat(n[2],10)||0,blur:parseFloat(n[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var n=40,r=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=new e.Color(this.color);return t.width&&t.height&&(n=100*i((Math.abs(o.x)+this.blur)/t.width,s)+20,r=100*i((Math.abs(o.y)+this.blur)/t.height,s)+20),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+r+'%" height="'+(100+2*r)+'%" x="-'+n+'%" width="'+(100+2*n)+'%" >\n	<feGaussianBlur in="SourceAlpha" stdDeviation="'+i(this.blur?this.blur/2:0,s)+'"></feGaussianBlur>\n	<feOffset dx="'+i(o.x,s)+'" dy="'+i(o.y,s)+'" result="oBlur" ></feOffset>\n	<feFlood flood-color="'+a.toRgb()+'" flood-opacity="'+a.getAlpha()+'"/>\n	<feComposite in2="oBlur" operator="in" />\n	<feMerge>\n		<feMergeNode></feMergeNode>\n		<feMergeNode in="SourceGraphic"></feMergeNode>\n	</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+(?:\.\d*)?(?:px)?(?:\s?|$))?(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(\d+(?:\.\d*)?(?:px)?)?(?:\s?|$)(?:$|\s)/}(i),function(){"use strict";if(r.StaticCanvas)return r.warn("fabric.StaticCanvas is already defined.");var t=r.util.object.extend,e=r.util.getElementOffset,i=r.util.removeFromArray,n=r.util.toFixed,s=r.util.transformPoint,o=r.util.invertTransform,a=r.util.getNodeCanvas,l=r.util.createCanvasElement,c=Error("Could not initialize `canvas` element");r.StaticCanvas=r.util.createClass(r.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:r.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return r.devicePixelRatio>1&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?Math.max(1,r.devicePixelRatio):1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var t=r.devicePixelRatio;this.__initRetinaScaling(t,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(t,this.upperCanvasEl,this.contextTop)}},__initRetinaScaling:function(t,e,i){e.setAttribute("width",this.width*t),e.setAttribute("height",this.height*t),i.scale(t,t)},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},__setBgOverlayImage:function(t,e,i,n){return"string"==typeof e?r.util.loadImage(e,function(e,s){if(e){var o=new r.Image(e,n);this[t]=o,o.canvas=this}i&&i(e,s)},this,n&&n.crossOrigin):(n&&e.setOptions(n),this[t]=e,e&&(e.canvas=this),i&&i(e,!1)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=l();if(!t||(t.style||(t.style={}),void 0===t.getContext))throw c;return t},_initOptions:function(t){var e=this.lowerCanvasEl;this._setOptions(t),this.width=this.width||parseInt(e.width,10)||0,this.height=this.height||parseInt(e.height,10)||0,this.lowerCanvasEl.style&&(e.width=this.width,e.height=this.height,e.style.width=this.width+"px",e.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=r.util.getById(t)||this._createCanvasElement(),r.util.addClass(this.lowerCanvasEl,"lower-canvas"),this._originalCanvasStyle=this.lowerCanvasEl.style,this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;for(var n in e=e||{},t)i=t[n],e.cssOnly||(this._setBackstoreDimension(n,t[n]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(n,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(this.contextTop),this._initRetinaScaling(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,n,r=this._activeObject,s=this.backgroundImage,o=this.overlayImage;for(i=0,this.viewportTransform=t,n=this._objects.length;i<n;i++)(e=this._objects[i]).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 r.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 r.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.remove.apply(this,this.getObjects()),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=r.util.requestAnimFrame(this.renderAndResetBound)),this},calcViewportBoundaries:function(){var t={},e=this.width,i=this.height,n=o(this.viewportTransform);return t.tl=s({x:0,y:0},n),t.br=s({x:e,y:i},n),t.tr=new r.Point(t.br.x,t.tl.y),t.bl=new r.Point(t.tl.x,t.br.y),this.vptCoords=t,t},cancelRequestedRender:function(){this.isRendering&&(r.util.cancelAnimFrame(this.isRendering),this.isRendering=0)},renderCanvas:function(t,e){var i=this.viewportTransform,n=this.clipPath;this.cancelRequestedRender(),this.calcViewportBoundaries(),this.clearContext(t),r.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),n&&(n.canvas=this,n.shouldCache(),n._transformDone=!0,n.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()}if(n){t.save();var a=this.skipOffscreen;this.skipOffscreen=s,s&&t.transform(r[0],r[1],r[2],r[3],r[4],r[5]),n.render(t),this.skipOffscreen=a,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}},getCenterPoint:function(){return new r.Point(this.width/2,this.height/2)},centerObjectH:function(t){return this._centerObject(t,new r.Point(this.getCenterPoint().x,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new r.Point(t.getCenterPoint().x,this.getCenterPoint().y))},centerObject:function(t){var e=this.getCenterPoint();return this._centerObject(t,e)},viewportCenterObject:function(t){var e=this.getVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new r.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new r.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){return s(this.getCenterPoint(),o(this.viewportTransform))},_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 n=this.clipPath,s={version:r.version,objects:this._toObjects(e,i)};return n&&!n.excludeFromExport&&(s.clipPath=this._toObject(this.clipPath,e,i)),t(s,this.__serializeBgOverlay(e,i)),r.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){this.includeDefaultValues||(n=t.includeDefaultValues,t.includeDefaultValues=!1);var n,r=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=n),r},__serializeBgOverlay:function(t,e){var i={},n=this.backgroundImage,r=this.overlayImage,s=this.backgroundColor,o=this.overlayColor;return s&&s.toObject?s.excludeFromExport||(i.background=s.toObject(e)):s&&(i.background=s),o&&o.toObject?o.excludeFromExport||(i.overlay=o.toObject(e)):o&&(i.overlay=o),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+'" ',l=r.Object.NUM_FRACTION_DIGITS;e.viewBox?a='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(a='viewBox="'+n(-(i=this.viewportTransform)[4]/i[0],l)+" "+n(-i[5]/i[3],l)+" "+n(this.width/i[0],l)+" "+n(this.height/i[3],l)+'" '),t.push("<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 ",r.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_"+r.Object.__uid++,'<clipPath id="'+e.clipPathId+'" >\n'+this.clipPath.toClipPathSVG(t.reviver)+"</clipPath>\n"):""},createSVGRefElementsMarkup:function(){var t=this;return["background","overlay"].map(function(e){var i=t[e+"Color"];if(i&&i.toLive){var n=t[e+"Vpt"],s=t.viewportTransform,o={width:t.width/(n?s[0]:1),height:t.height/(n?s[3]:1)};return i.toSVG(o,{additionalTransform:n?r.util.matrixToSVG(s):""})}}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,n,s,o,a,l,c="",h={},u=r.fontPaths,f=[];for(this._objects.forEach(function t(e){f.push(e),e._objects&&e._objects.forEach(t)}),a=0,l=f.length;a<l;a++)if((e=(t=f[a]).fontFamily,-1!==t.type.indexOf("text")&&!h[e]&&u[e])&&(h[e]=!0,t.styles))for(s in i=t.styles)for(o in n=i[s])!h[e=n[o].fontFamily]&&u[e]&&(h[e]=!0);for(var d in h)c+="		@font-face {\n			font-family: '"+d+"';\n			src: url('"+u[d]+"');\n		}\n";return c&&(c='	<style type="text/css"><![CDATA[\n'+c+"]]></style>\n"),c},_setSVGObjects:function(t,e){var i,n,r,s=this._objects;for(n=0,r=s.length;n<r;n++)(i=s[n]).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"],n=this.viewportTransform,s=this.width,o=this.height;if(i)if(i.toLive){var a=i.repeat,l=r.util.invertTransform(n),c=this[e+"Vpt"]?r.util.matrixToSVG(l):"";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(e=(r=s._objects).length;e--;)n=r[e],i(this._objects,n),this._objects.unshift(n);else i(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,n,r,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(e=0,r=s._objects;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,l=this._activeObject,c=0;if(t===l&&"activeSelection"===t.type)for(n=0,a=l._objects;n<a.length;n++)r=a[n],(s=this._objects.indexOf(r))>0+c&&(o=s-1,i(this._objects,r),this._objects.splice(o,0,r)),c++;else 0!==(s=this._objects.indexOf(t))&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var n,r;if(i){for(n=e,r=e-1;r>=0;--r)if(t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t)){n=r;break}}else n=e-1;return n},bringForward:function(t,e){if(!t)return this;var n,r,s,o,a,l=this._activeObject,c=0;if(t===l&&"activeSelection"===t.type)for(n=(a=l._objects).length;n--;)r=a[n],(s=this._objects.indexOf(r))<this._objects.length-1-c&&(o=s+1,i(this._objects,r),this._objects.splice(o,0,r)),c++;else(s=this._objects.indexOf(t))!==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)if(t.intersectsWithObject(this._objects[r])||t.isContainedWithinObject(this._objects[r])||this._objects[r].isContainedWithinObject(t)){n=r;break}}else n=e+1;return n},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&(r.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,this.lowerCanvasEl.classList.remove("lower-canvas"),r.util.setStyle(this.lowerCanvasEl,this._originalCanvasStyle),delete this._originalCanvasStyle,this.lowerCanvasEl.setAttribute("width",this.width),this.lowerCanvasEl.setAttribute("height",this.height),r.util.cleanUpJsdomNode(this.lowerCanvasEl),this.lowerCanvasEl=void 0,this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this._objects.length+" }>"}}),t(r.StaticCanvas.prototype,r.Observable),t(r.StaticCanvas.prototype,r.Collection),t(r.StaticCanvas.prototype,r.DataURLExporter),t(r.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=l();if(!e||!e.getContext)return null;var i=e.getContext("2d");return i&&"setLineDash"===t?void 0!==i.setLineDash:null}}),r.StaticCanvas.prototype.toJSON=r.StaticCanvas.prototype.toObject,r.isLikelyNode&&(r.StaticCanvas.prototype.createPNGStream=function(){var t=a(this.lowerCanvasEl);return t&&t.createPNGStream()},r.StaticCanvas.prototype.createJPEGStream=function(t){var e=a(this.lowerCanvasEl);return e&&e.createJPEGStream(t)})}(),r.BaseBrush=r.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,limitedToCanvasSize:!1,_setBrushStyles:function(t){t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){if(this.shadow){var t=this.canvas,e=this.shadow,i=t.contextTop,n=t.getZoom();t&&t._isRetinaScaling()&&(n*=r.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*n,i.shadowOffsetX=e.offsetX*n,i.shadowOffsetY=e.offsetY*n}},needsFullRender:function(){return 1>new r.Color(this.color).getAlpha()||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0},_isOutSideCanvas:function(t){return t.x<0||t.x>this.canvas.getWidth()||t.y<0||t.y>this.canvas.getHeight()}}),r.PencilBrush=r.util.createClass(r.BaseBrush,{decimate:.4,drawStraightLine:!1,straightLineKey:"shiftKey",initialize:function(t){this.canvas=t,this._points=[]},needsFullRender:function(){return this.callSuper("needsFullRender")||this._hasStraightLine},_drawSegment:function(t,e,i){var n=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,n.x,n.y),n},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){if(this.canvas._isMainEvent(e.e)&&(this.drawStraightLine=e.e[this.straightLineKey],!(!0===this.limitedToCanvasSize&&this._isOutSideCanvas(t))&&this._captureDrawingPath(t)&&this._points.length>1))if(this.needsFullRender())this.canvas.clearContext(this.canvas.contextTop),this._render();else{var i=this._points,n=i.length,r=this.canvas.contextTop;this._saveAndTransform(r),this.oldEnd&&(r.beginPath(),r.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(r,i[n-2],i[n-1],!0),r.stroke(),r.restore()}},onMouseUp:function(t){return!this.canvas._isMainEvent(t.e)||(this.drawStraightLine=!1,this.oldEnd=void 0,this._finalizeAndAddPath(),!1)},_prepareForDrawing:function(t){var e=new r.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){return!(this._points.length>1&&t.eq(this._points[this._points.length-1]))&&(this.drawStraightLine&&this._points.length>1&&(this._hasStraightLine=!0,this._points.pop()),this._points.push(t),!0)},_reset:function(){this._points=[],this._setBrushStyles(this.canvas.contextTop),this._setShadow(),this._hasStraightLine=!1},_captureDrawingPath:function(t){var e=new r.Point(t.x,t.y);return this._addPoint(e)},_render:function(t){var e,i,n=this._points[0],s=this._points[1];if(t=t||this.canvas.contextTop,this._saveAndTransform(t),t.beginPath(),2===this._points.length&&n.x===s.x&&n.y===s.y){var o=this.width/1e3;n=new r.Point(n.x,n.y),s=new r.Point(s.x,s.y),n.x-=o,s.x+=o}for(t.moveTo(n.x,n.y),e=1,i=this._points.length;e<i;e++)this._drawSegment(t,n,s),n=this._points[e],s=this._points[e+1];t.lineTo(n.x,n.y),t.stroke(),t.restore()},convertPointsToSVGPath:function(t){var e=this.width/1e3;return r.util.getSmoothPathFromPoints(t,e)},_isEmptySVGPath:function(t){return"M 0 0 Q 0 0 0 0 L 0 0"===r.util.joinPath(t)},createPath:function(t){var e=new r.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 r.Shadow(this.shadow)),e},decimatePoints:function(t,e){if(t.length<=2)return t;var i,n=Math.pow(e/this.canvas.getZoom(),2),r=t.length-1,s=t[0],o=[s];for(i=1;i<r-1;i++)Math.pow(s.x-t[i].x,2)+Math.pow(s.y-t[i].y,2)>=n&&o.push(s=t[i]);return o.push(t[r]),o},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var t=this.convertPointsToSVGPath(this._points);if(this._isEmptySVGPath(t))return void this.canvas.requestRenderAll();var e=this.createPath(t);this.canvas.clearContext(this.canvas.contextTop),this.canvas.fire("before:path:created",{path:e}),this.canvas.add(e),this.canvas.requestRenderAll(),e.setCoords(),this._resetShadow(),this.canvas.fire("path:created",{path:e})}}),r.CircleBrush=r.util.createClass(r.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop;this._saveAndTransform(i),this.dot(i,e),i.restore()},dot:function(t,e){t.fillStyle=e.fill,t.beginPath(),t.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),t.closePath(),t.fill()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},_render:function(){var t,e,i=this.canvas.contextTop,n=this.points;for(this._saveAndTransform(i),t=0,e=n.length;t<e;t++)this.dot(i,n[t]);i.restore()},onMouseMove:function(t){!0===this.limitedToCanvasSize&&this._isOutSideCanvas(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 n=[];for(t=0,e=this.points.length;t<e;t++){var s=this.points[t],o=new r.Circle({radius:s.radius,left:s.x,top:s.y,originX:"center",originY:"center",fill:s.fill});this.shadow&&(o.shadow=new r.Shadow(this.shadow)),n.push(o)}var a=new r.Group(n);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 r.Point(t.x,t.y),i=r.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,n=new r.Color(this.color).setAlpha(r.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=n,this.points.push(e),e}}),r.SprayBrush=r.util.createClass(r.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){!0===this.limitedToCanvasSize&&this._isOutSideCanvas(t)||(this.addSprayChunk(t),this.render(this.sprayChunkPoints))},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,n=this.sprayChunks.length;i<n;i++)for(var s=this.sprayChunks[i],o=0,a=s.length;o<a;o++){var l=new r.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(l)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var c=new r.Group(e);this.shadow&&c.set("shadow",new r.Shadow(this.shadow)),this.canvas.fire("before:path:created",{path:c}),this.canvas.add(c),this.canvas.fire("path:created",{path:c}),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++)r[e=t[i].left+""+t[i].top]||(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];void 0!==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,n,s,o=this.width/2;for(s=0;s<this.density;s++){e=r.util.getRandomInt(t.x-o,t.x+o),i=r.util.getRandomInt(t.y-o,t.y+o),n=this.dotWidthVariance?r.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var a=new r.Point(e,i);a.width=n,this.randomOpacity&&(a.opacity=r.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(a)}this.sprayChunks.push(this.sprayChunkPoints)}}),r.PatternBrush=r.util.createClass(r.PencilBrush,{getPatternSrc:function(){var t=r.util.createCanvasElement(),e=t.getContext("2d");return t.width=t.height=25,e.fillStyle=this.color,e.beginPath(),e.arc(10,10,10,0,2*Math.PI,!1),e.closePath(),e.fill(),t},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(t){return t.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(t){this.callSuper("_setBrushStyles",t),t.strokeStyle=this.getPattern(t)},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new r.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var t=r.util.getPointer,e=r.util.degreesToRadians,i=r.util.isTouchEvent;for(var n in r.Canvas=r.util.createClass(r.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",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:[],enablePointerEvents:!1,_hoveredTarget:null,_hoveredTargets:[],_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=r.PencilBrush&&new r.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),this.hasLostContext=!1);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTopLayer:function(t){t.save(),this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0),this.selection&&this._groupSelector&&(this._drawSelection(t),this.contextTopDirty=!0),t.restore()},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.renderTopLayer(t),this.fire("after:render"),this},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),n=r.util.invertTransform(i),s=this.restorePointerVpt(e);return r.util.transformPoint(s,n)},isTargetTransparent:function(t,e,i){if(t.shouldCache()&&t._cacheCanvas&&t!==this._activeObject){var n=this._normalizePointer(t,{x:e,y:i}),s=Math.max(t.cacheTranslationX+n.x*t.zoomX,0),o=Math.max(t.cacheTranslationY+n.y*t.zoomY,0),a=r.util.isTransparent(t._cacheContext,Math.round(s),Math.round(o),this.targetFindTolerance);return a}var l=this.contextCache,c=t.selectionBackgroundColor,h=this.viewportTransform;t.selectionBackgroundColor="",this.clearContext(l),l.save(),l.transform(h[0],h[1],h[2],h[3],h[4],h[5]),t.render(l),l.restore(),t.selectionBackgroundColor=c;var a=r.util.isTransparent(l,e,i,this.targetFindTolerance);return a},_isSelectionKeyPressed:function(t){return Array.isArray(this.selectionKey)?!!this.selectionKey.find(function(e){return!0===t[e]}):t[this.selectionKey]},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),n=this._activeObject;return!e||e&&n&&i.length>1&&-1===i.indexOf(e)&&n!==e&&!this._isSelectionKeyPressed(t)||e&&!e.evented||e&&!e.selectable&&n&&n!==e},_shouldCenterTransform:function(t,e,i){var n;if(t)return"scale"===e||"scaleX"===e||"scaleY"===e||"resizing"===e?n=this.centeredScaling||t.centeredScaling:"rotate"===e&&(n=this.centeredRotation||t.centeredRotation),n?!i:i},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":("mr"===e||"tr"===e||"br"===e)&&(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":("bl"===e||"mb"===e||"br"===e)&&(i.y="top"),i},_getActionFromCorner:function(t,e,i,n){if(!e||!t)return"drag";var r=n.controls[e];return r.getActionName(i,r,n)},_setupCurrentTransform:function(t,i,n){if(i){var s=this.getPointer(t),o=i.__corner,a=i.controls[o],l=n&&o?a.getActionHandler(t,i,a):r.controlsUtils.dragHandler,c=this._getActionFromCorner(n,o,t,i),h=this._getOriginFromCorner(i,o),u=t[this.centeredKey],f={target:i,action:c,actionHandler:l,corner:o,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:s.x-i.left,offsetY:s.y-i.top,originX:h.x,originY:h.y,ex:s.x,ey:s.y,lastX:s.x,lastY:s.y,theta:e(i.angle),width:i.width*i.scaleX,shiftKey:t.shiftKey,altKey:u,original:r.util.saveObjectTransform(i)};this._shouldCenterTransform(i,c,u)&&(f.originX="center",f.originY="center"),f.original.originX=h.x,f.original.originY=h.y,this._currentTransform=f,this._beforeTransform(t)}},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_drawSelection:function(t){var e=this._groupSelector,i=new r.Point(e.ex,e.ey),n=r.util.transformPoint(i,this.viewportTransform),s=new r.Point(e.ex+e.left,e.ey+e.top),o=r.util.transformPoint(s,this.viewportTransform),a=Math.min(n.x,o.x),l=Math.min(n.y,o.y),c=Math.max(n.x,o.x),h=Math.max(n.y,o.y),u=this.selectionLineWidth/2;this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(a,l,c-a,h-l)),this.selectionLineWidth&&this.selectionBorderColor&&(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,a+=u,l+=u,c-=u,h-=u,r.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(a,l,c-a,h-l))},findTarget:function(t,e){if(!this.skipTargetFind){var n,r,s=this.getPointer(t,!0),o=this._activeObject,a=this.getActiveObjects(),l=i(t),c=a.length>1&&!e||1===a.length;if(this.targets=[],c&&o._findTargetCorner(s,l)||a.length>1&&!e&&o===this._searchPossibleTargets([o],s))return o;if(1===a.length&&o===this._searchPossibleTargets([o],s))if(!this.preserveObjectStacking)return o;else n=o,r=this.targets,this.targets=[];var h=this._searchPossibleTargets(this._objects,s);return t[this.altSelectionKey]&&h&&n&&h!==n&&(h=n,this.targets=r),h}},_checkTarget:function(t,e,i){if(e&&e.visible&&e.evented&&e.containsPoint(t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;else if(!this.isTargetTransparent(e,i.x,i.y))return!0}},_searchPossibleTargets:function(t,e){for(var i,n,s=t.length;s--;){var o=t[s],a=o.group?this._normalizePointer(o.group,e):e;if(this._checkTarget(a,o,e)){(i=t[s]).subTargetCheck&&i instanceof r.Group&&(n=this._searchPossibleTargets(i._objects,e))&&this.targets.push(n);break}}return i},restorePointerVpt:function(t){return r.util.transformPoint(t,r.util.invertTransform(this.viewportTransform))},getPointer:function(e,i){if(this._absolutePointer&&!i)return this._absolutePointer;if(this._pointer&&i)return this._pointer;var n,r=t(e),s=this.upperCanvasEl,o=s.getBoundingClientRect(),a=o.width||0,l=o.height||0;(!a||!l)&&("top"in o&&"bottom"in o&&(l=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),r.x=r.x-this._offset.left,r.y=r.y-this._offset.top,i||(r=this.restorePointerVpt(r));var c=this.getRetinaScaling();return 1!==c&&(r.x/=c,r.y/=c),n=0===a||0===l?{width:1,height:1}:{width:s.width/a,height:s.height/l},{x:r.x*n.width,y:r.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,""),e=this.lowerCanvasEl,i=this.upperCanvasEl;i?i.className="":(i=this._createCanvasElement(),this.upperCanvasEl=i),r.util.addClass(i,"upper-canvas "+t),this.wrapperEl.appendChild(i),this._copyCanvasStyle(e,i),this._applyCanvasStyle(i),this.contextTop=i.getContext("2d")},getTopContext:function(){return this.contextTop},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=r.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),r.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),r.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;r.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":this.allowTouchScrolling?"manipulation":"none","-ms-touch-action":this.allowTouchScrolling?"manipulation":"none"}),t.width=e,t.height=i,r.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;if(t)if("activeSelection"===t.type&&t._objects)return t._objects.slice(0);else return[t];return[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),t===this._hoveredTarget&&(this._hoveredTarget=null,this._hoveredTargets=[]),this.callSuper("_onObjectRemoved",t)},_fireSelectionEvents:function(t,e){var i=!1,n=this.getActiveObjects(),r=[],s=[];t.forEach(function(t){-1===n.indexOf(t)&&(i=!0,t.fire("deselected",{e:e,target:t}),s.push(t))}),n.forEach(function(n){-1===t.indexOf(n)&&(i=!0,n.fire("selected",{e:e,target:n}),r.push(n))}),t.length>0&&n.length>0?i&&this.fire("selection:updated",{e:e,selected:r,deselected:s}):n.length>0?this.fire("selection:created",{e:e,selected:r}):t.length>0&&this.fire("selection:cleared",{e:e,deselected:s})},setActiveObject:function(t,e){var i=this.getActiveObjects();return this._setActiveObject(t,e),this._fireSelectionEvents(i,e),this},_setActiveObject:function(t,e){return!(this._activeObject===t||!this._discardActiveObject(e,t)||t.onSelect({e:e}))&&(this._activeObject=t,!0)},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this.getActiveObjects(),i=this.getActiveObject();return e.length&&this.fire("before:selection:cleared",{target:i,e:t}),this._discardActiveObject(t),this._fireSelectionEvents(e,t),this},dispose:function(){var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),this.contextCache=null,this.contextTop=null,["upperCanvasEl","cacheCanvasEl"].forEach((function(t){r.util.cleanUpJsdomNode(this[t]),this[t]=void 0}).bind(this)),t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,r.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(t),r=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,n),r},_realizeGroupTransformOnObject:function(t){if(!t.group||"activeSelection"!==t.group.type||this._activeObject!==t.group)return null;var e={};return["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"].forEach(function(i){e[i]=t[i]}),r.util.addTransformToObject(t,this._activeObject.calcOwnMatrix()),e},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var n=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,n)},setViewportTransform:function(t){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),r.StaticCanvas.prototype.setViewportTransform.call(this,t)}}),r.StaticCanvas)"prototype"!==n&&(r.Canvas[n]=r.StaticCanvas[n])}(),function(){var t=r.util.addListener,e=r.util.removeListener,i={passive:!1};function n(t,e){return t.button&&t.button===e-1}r.util.object.extend(r.Canvas.prototype,{mainTouchId:null,_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(t,"add")},_getEventPrefix:function(){return this.enablePointerEvents?"pointer":"mouse"},addOrRemove:function(t,e){var n=this.upperCanvasEl,s=this._getEventPrefix();t(r.window,"resize",this._onResize),t(n,s+"down",this._onMouseDown),t(n,s+"move",this._onMouseMove,i),t(n,s+"out",this._onMouseOut),t(n,s+"enter",this._onMouseEnter),t(n,"wheel",this._onMouseWheel),t(n,"contextmenu",this._onContextMenu),t(n,"dblclick",this._onDoubleClick),t(n,"dragover",this._onDragOver),t(n,"dragenter",this._onDragEnter),t(n,"dragleave",this._onDragLeave),t(n,"drop",this._onDrop),this.enablePointerEvents||t(n,"touchstart",this._onTouchStart,i),"undefined"!=typeof eventjs&&e in eventjs&&(eventjs[e](n,"gesture",this._onGesture),eventjs[e](n,"drag",this._onDrag),eventjs[e](n,"orientation",this._onOrientationChange),eventjs[e](n,"shake",this._onShake),eventjs[e](n,"longpress",this._onLongPress))},removeListeners:function(){this.addOrRemove(e,"remove");var t=this._getEventPrefix();e(r.document,t+"up",this._onMouseUp),e(r.document,"touchend",this._onTouchEnd,i),e(r.document,t+"move",this._onMouseMove,i),e(r.document,"touchmove",this._onMouseMove,i)},_bindEvents:function(){this.eventsBound||(this._onMouseDown=this._onMouseDown.bind(this),this._onTouchStart=this._onTouchStart.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onTouchEnd=this._onTouchEnd.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this,"dragenter"),this._onDragLeave=this._simpleEventHandler.bind(this,"dragleave"),this._onDrop=this._onDrop.bind(this),this.eventsBound=!0)},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t});var i=this;this._hoveredTargets.forEach(function(e){i.fire("mouse:out",{target:e,e:t}),e&&e.fire("mouseout",{e:t})}),this._hoveredTargets=[]},_onMouseEnter:function(t){this._currentTransform||this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null,this._hoveredTargets=[])},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onDragOver:function(t){t.preventDefault();var e=this._simpleEventHandler("dragover",t);this._fireEnterLeaveEvents(e,t)},_onDrop:function(t){return this._simpleEventHandler("drop:before",t),this._simpleEventHandler("drop",t)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._cacheTransformEventData(t),this._handleEvent(t,"dblclick"),this._resetTransformEventData(t)},getPointerId:function(t){var e=t.changedTouches;return e?e[0]&&e[0].identifier:this.enablePointerEvents?t.pointerId:-1},_isMainEvent:function(t){return!0===t.isPrimary||!1!==t.isPrimary&&("touchend"===t.type&&0===t.touches.length||!t.changedTouches||t.changedTouches[0].identifier===this.mainTouchId)},_onTouchStart:function(n){n.preventDefault(),null===this.mainTouchId&&(this.mainTouchId=this.getPointerId(n)),this.__onMouseDown(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();t(r.document,"touchend",this._onTouchEnd,i),t(r.document,"touchmove",this._onMouseMove,i),e(s,o+"down",this._onMouseDown)},_onMouseDown:function(n){this.__onMouseDown(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();e(s,o+"move",this._onMouseMove,i),t(r.document,o+"up",this._onMouseUp),t(r.document,o+"move",this._onMouseMove,i)},_onTouchEnd:function(n){if(!(n.touches.length>0)){this.__onMouseUp(n),this._resetTransformEventData(),this.mainTouchId=null;var s=this._getEventPrefix();e(r.document,"touchend",this._onTouchEnd,i),e(r.document,"touchmove",this._onMouseMove,i);var o=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout(function(){t(o.upperCanvasEl,s+"down",o._onMouseDown),o._willAddMouseDown=0},400)}},_onMouseUp:function(n){this.__onMouseUp(n),this._resetTransformEventData();var s=this.upperCanvasEl,o=this._getEventPrefix();this._isMainEvent(n)&&(e(r.document,o+"up",this._onMouseUp),e(r.document,o+"move",this._onMouseMove,i),t(s,o+"move",this._onMouseMove,i))},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t){var e=this._activeObject;return!!e!=!!t||!!e&&!!t&&e!==t||(e&&e.isEditing,!1)},__onMouseUp:function(t){var e,i,s,o=this._currentTransform,a=this._groupSelector,l=!1,c=!a||0===a.left&&0===a.top;if(this._cacheTransformEventData(t),s=this._target,this._handleEvent(t,"up:before"),n(t,3)){this.fireRightClick&&this._handleEvent(t,"up",3,c);return}if(n(t,2)){this.fireMiddleClick&&this._handleEvent(t,"up",2,c),this._resetTransformEventData();return}if(this.isDrawingMode&&this._isCurrentlyDrawing)return void this._onMouseUpInDrawingMode(t);if(this._isMainEvent(t)){if(o&&(this._finalizeCurrentTransform(t),l=o.actionPerformed),!c){var h=s===this._activeObject;this._maybeGroupObjects(t),l||(l=this._shouldRender(s)||!h&&s===this._activeObject)}if(s){if(e=s._findTargetCorner(this.getPointer(t,!0),r.util.isTouchEvent(t)),s.selectable&&s!==this._activeObject&&"up"===s.activeOn)this.setActiveObject(s,t),l=!0;else{var u=s.controls[e],f=u&&u.getMouseUpHandler(t,s,u);f&&(i=this.getPointer(t),f(t,o,i.x,i.y))}s.isMoving=!1}if(o&&(o.target!==s||o.corner!==e)){var d=o.target&&o.target.controls[o.corner],g=d&&d.getMouseUpHandler(t,s,u);i=i||this.getPointer(t),g&&g(t,o,i.x,i.y)}this._setCursorFromEvent(t,s),this._handleEvent(t,"up",1,c),this._groupSelector=null,this._currentTransform=null,s&&(s.__corner=0),l?this.requestRenderAll():c||this.renderTop()}},_simpleEventHandler:function(t,e){var i=this.findTarget(e),n=this.targets,r={e:e,target:i,subTargets:n};if(this.fire(t,r),i&&i.fire(t,r),!n)return i;for(var s=0;s<n.length;s++)n[s].fire(t,r);return i},_handleEvent:function(t,e,i,n){var r=this._target,s=this.targets||[],o={e:t,target:r,subTargets:s,button:i||1,isClick:n||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};"up"===e&&(o.currentTarget=this.findTarget(t),o.currentSubTargets=this.targets),this.fire("mouse:"+e,o),r&&r.fire("mouse"+e,o);for(var a=0;a<s.length;a++)s[a].fire("mouse"+e,o)},_finalizeCurrentTransform:function(t){var e=this._currentTransform,i=e.target,n={e:t,target:i,transform:e,action:e.action};i._scaling&&(i._scaling=!1),i.setCoords(),(e.actionPerformed||this.stateful&&i.hasStateChanged())&&this._fire("modified",n)},_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(n(t,3)){this.fireRightClick&&this._handleEvent(t,"down",3);return}if(n(t,2)){this.fireMiddleClick&&this._handleEvent(t,"down",2);return}if(this.isDrawingMode)return void this._onMouseDownInDrawingMode(t);if(this._isMainEvent(t)&&!this._currentTransform){var i=this._pointer;this._previousPointer=i;var s=this._shouldRender(e),o=this._shouldGroup(t,e);if(this._shouldClearSelection(t,e)?this.discardActiveObject(t):o&&(this._handleGrouping(t,e),e=this._activeObject),!this.selection||e&&(e.selectable||e.isEditing||e===this._activeObject)||(this._groupSelector={ex:this._absolutePointer.x,ey:this._absolutePointer.y,top:0,left:0}),e){var a=e===this._activeObject;e.selectable&&"down"===e.activeOn&&this.setActiveObject(e,t);var l=e._findTargetCorner(this.getPointer(t,!0),r.util.isTouchEvent(t));if(e.__corner=l,e===this._activeObject&&(l||!o)){this._setupCurrentTransform(t,e,a);var c=e.controls[l],i=this.getPointer(t),h=c&&c.getMouseDownHandler(t,e,c);h&&h(t,this._currentTransform,i.x,i.y)}}this._handleEvent(t,"down"),(s||o)&&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){if(this._handleEvent(t,"move:before"),this._cacheTransformEventData(t),this.isDrawingMode)return void this._onMouseMoveInDrawingMode(t);if(this._isMainEvent(t)){var e,i,n=this._groupSelector;n?(n.left=(i=this._absolutePointer).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=i.oldTarget,a=o!==t,l=i.canvasEvtIn,c=i.canvasEvtOut;a&&(n={e:e,target:t,previousTarget:o},r={e:e,target:o,nextTarget:t}),s=t&&a,o&&a&&(c&&this.fire(c,r),o.fire(i.evtOut,r)),s&&(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.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&&(e.target.isMoving=!0,this.setCursor(e.target.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||o},_fire:r.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;r.util.object.extend(r.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;if(!i.__corner){if(e===i&&(!(e=this.findTarget(t,!0))||!e.selectable))return;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)?[this._activeObject,t]:[t,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new r.ActiveSelection(i,{canvas:this})},_groupSelectedObjects:function(t){var e,i=this._collectObjects(t);1===i.length?this.setActiveObject(i[0],t):i.length>1&&(e=new r.ActiveSelection(i.reverse(),{canvas:this}),this.setActiveObject(e,t))},_collectObjects:function(i){for(var n,s=[],o=this._groupSelector.ex,a=this._groupSelector.ey,l=o+this._groupSelector.left,c=a+this._groupSelector.top,h=new r.Point(t(o,l),t(a,c)),u=new r.Point(e(o,l),e(a,c)),f=!this.selectionFullyContained,d=o===l&&a===c,g=this._objects.length;g--&&!((n=this._objects[g])&&n.selectable&&n.visible&&(f&&n.intersectsWithRect(h,u,!0)||n.isContainedWithinRect(h,u,!0)||f&&n.containsPoint(h,null,!0)||f&&n.containsPoint(u,null,!0))&&(s.push(n),d)););return s.length>1&&(s=s.filter(function(t){return!t.onSelect({e:i})})),s},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null}})}(),r.util.object.extend(r.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,n=(t.multiplier||1)*(t.enableRetinaScaling?this.getRetinaScaling():1),s=this.toCanvasElement(n,t);return r.util.toDataURL(s,e,i)},toCanvasElement:function(t,e){t=t||1;var i=((e=e||{}).width||this.width)*t,n=(e.height||this.height)*t,s=this.getZoom(),o=this.width,a=this.height,l=s*t,c=this.viewportTransform,h=(c[4]-(e.left||0))*t,u=(c[5]-(e.top||0))*t,f=this.interactive,d=this.enableRetinaScaling,g=r.util.createCanvasElement(),p=this.contextTop;return g.width=i,g.height=n,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=[l,0,0,l,h,u],this.width=i,this.height=n,this.calcViewportBoundaries(),this.renderCanvas(g.getContext("2d"),this._objects),this.viewportTransform=c,this.width=o,this.height=a,this.calcViewportBoundaries(),this.interactive=f,this.enableRetinaScaling=d,this.contextTop=p,g}}),r.util.object.extend(r.StaticCanvas.prototype,{loadFromJSON:function(t,e,i){if(t){var n="string"==typeof t?JSON.parse(t):r.util.object.clone(t),s=this,o=n.clipPath,a=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete n.clipPath,this._enlivenObjects(n.objects,function(t){s.clear(),s._setBgOverlay(n,function(){o?s._enlivenObjects([o],function(i){s.clipPath=i[0],s.__setupCanvas.call(s,n,t,a,e)}):s.__setupCanvas.call(s,n,t,a,e)})},i),this}},__setupCanvas:function(t,e,i,n){var r=this;e.forEach(function(t,e){r.insertAt(t,e)}),this.renderOnAddRemove=i,delete t.objects,delete t.backgroundImage,delete t.overlayImage,delete t.background,delete t.overlay,this._setOptions(t),this.renderAll(),n&&n()},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!t.backgroundImage&&!t.overlayImage&&!t.background&&!t.overlay){e&&e();return}var n=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,n),this.__setBgOverlay("overlayImage",t.overlayImage,i,n),this.__setBgOverlay("backgroundColor",t.background,i,n),this.__setBgOverlay("overlayColor",t.overlay,i,n)},__setBgOverlay:function(t,e,i,n){var s=this;if(!e){i[t]=!0,n&&n();return}"backgroundImage"===t||"overlayImage"===t?r.util.enlivenObjects([e],function(e){s[t]=e[0],i[t]=!0,n&&n()}):this["set"+r.util.string.capitalize(t,!0)](e,function(){i[t]=!0,n&&n()})},_enlivenObjects:function(t,e,i){if(!t||0===t.length){e&&e([]);return}r.util.enlivenObjects(t,function(t){e&&e(t)},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(n){i(n.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=r.util.createCanvasElement();e.width=this.width,e.height=this.height;var i=new r.Canvas(e);this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,touchCornerSize:24,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgb(178,204,255)",borderDashArray:null,cornerColor:"rgb(178,204,255)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeDashOffset:0,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:4,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,perPixelTargetFind:!1,includeDefaultValues:!0,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:a,statefullCache:!1,noScaleCache:!0,strokeUniform:!1,dirty:!0,__corner:0,paintFirst:"fill",activeOn:"down",stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow visible backgroundColor skewX skewY fillRule paintFirst clipPath strokeUniform".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath".split(" "),colorProperties:"fill stroke backgroundColor".split(" "),clipPath:void 0,inverted:!1,absolutePositioned:!1,initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.util.createCanvasElement(),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,n=t.width,r=t.height,s=e.maxCacheSideLimit,o=e.minCacheSideLimit;if(n<=s&&r<=s&&n*r<=i)return n<o&&(t.width=o),r<o&&(t.height=o),t;var a=e.util.limitDimsByArea(n/r,i),l=e.util.capValue,c=l(o,a.x,s),h=l(o,a.y,s);return n>c&&(t.zoomX/=n/c,t.width=c,t.capped=!0),r>h&&(t.zoomY/=r/h,t.height=h,t.capped=!0),t},_getCacheCanvasDimensions:function(){var t=this.getTotalObjectScaling(),e=this._getTransformedDimensions(0,0),i=e.x*t.scaleX/this.scaleX,n=e.y*t.scaleY/this.scaleY;return{width:Math.ceil(i+2),height:Math.ceil(n+2),zoomX:t.scaleX,zoomY:t.scaleY,x:i,y:n}},_updateCacheCanvas:function(){var t=this.canvas;if(this.noScaleCache&&t&&t._currentTransform){var e=t._currentTransform.target,i=t._currentTransform.action;if(this===e&&i.slice&&"scale"===i.slice(0,5))return!1}var n,r,s=this._cacheCanvas,o=this._limitCacheSize(this._getCacheCanvasDimensions()),a=o.width,l=o.height,c=o.zoomX,h=o.zoomY,u=a!==this.cacheWidth||l!==this.cacheHeight,f=this.zoomX!==c||this.zoomY!==h;return(!!u||!!f)&&(u?(s.width=a,s.height=l):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,s.width,s.height)),n=o.x/2,r=o.y/2,this.cacheTranslationX=Math.round(s.width/2-n)+n,this.cacheTranslationY=Math.round(s.height/2-r)+r,this.cacheWidth=a,this.cacheHeight=l,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(c,h),this.zoomX=c,this.zoomY=h,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t){var e=this.group&&!this.group._transformDone||this.group&&this.canvas&&t===this.canvas.contextTop,i=this.calcTransformMatrix(!e);t.transform(i[0],i[1],i[2],i[3],i[4],i[5])},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,n={type:this.type,version:e.version,originX:this.originX,originY:this.originY,left:r(this.left,i),top:r(this.top,i),width:r(this.width,i),height:r(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeUniform:this.strokeUniform,strokeMiterLimit:r(this.strokeMiterLimit,i),scaleX:r(this.scaleX,i),scaleY:r(this.scaleY,i),angle:r(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,backgroundColor:this.backgroundColor,fillRule:this.fillRule,paintFirst:this.paintFirst,globalCompositeOperation:this.globalCompositeOperation,skewX:r(this.skewX,i),skewY:r(this.skewY,i)};return this.clipPath&&!this.clipPath.excludeFromExport&&(n.clipPath=this.clipPath.toObject(t),n.clipPath.inverted=this.clipPath.inverted,n.clipPath.absolutePositioned=this.clipPath.absolutePositioned),e.util.populateWithProperties(this,n,t),this.includeDefaultValues||(n=this._removeDefaultValues(n)),n},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype;return i.stateProperties.forEach(function(e){"left"!==e&&"top"!==e&&(t[e]===i[e]&&delete t[e],Array.isArray(t[e])&&Array.isArray(i[e])&&0===t[e].length&&0===i[e].length&&delete t[e])}),t},toString:function(){return"#<fabric."+s(this.type)+">"},getObjectScaling:function(){if(!this.group)return{scaleX:this.scaleX,scaleY:this.scaleY};var t=e.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(t.scaleX),scaleY:Math.abs(t.scaleY)}},getTotalObjectScaling:function(){var t=this.getObjectScaling(),e=t.scaleX,i=t.scaleY;if(this.canvas){var n=this.canvas.getZoom(),r=this.canvas.getRetinaScaling();e*=n*r,i*=n*r}return{scaleX:e,scaleY:i}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var n="scaleX"===t||"scaleY"===t,r=this[t]!==i,s=!1;return n&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,r&&(s=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(t)>-1?(this.dirty=!0,s&&this.group.set("dirty",!0)):s&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||!this.width&&!this.height&&0===this.strokeWidth||!this.visible},render:function(t){!this.isNotVisible()&&(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(t)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),t.restore())},renderCache:function(t){t=t||{},this._cacheCanvas&&this._cacheContext||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext,t.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null,this._cacheContext=null,this.cacheWidth=0,this.cacheHeight=0},hasStroke:function(){return this.stroke&&"transparent"!==this.stroke&&0!==this.strokeWidth},hasFill:function(){return this.fill&&"transparent"!==this.fill},needsItsOwnCache:function(){return!!("stroke"===this.paintFirst&&this.hasFill()&&this.hasStroke())&&"object"==typeof this.shadow||!!this.clipPath},shouldCache:function(){return this.ownCaching=this.needsItsOwnCache()||this.objectCaching&&(!this.group||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawClipPathOnCache:function(t,i){if(t.save(),i.inverted?t.globalCompositeOperation="destination-out":t.globalCompositeOperation="destination-in",i.absolutePositioned){var n=e.util.invertTransform(this.calcTransformMatrix());t.transform(n[0],n[1],n[2],n[3],n[4],n[5])}i.transform(t),t.scale(1/i.zoomX,1/i.zoomY),t.drawImage(i._cacheCanvas,-i.cacheTranslationX,-i.cacheTranslationY),t.restore()},drawObject:function(t,e){var i=this.fill,n=this.stroke;e?(this.fill="black",this.stroke="",this._setClippingProperties(t)):this._renderBackground(t),this._render(t),this._drawClipPath(t,this.clipPath),this.fill=i,this.stroke=n},_drawClipPath:function(t,e){e&&(e.canvas=this.canvas,e.shouldCache(),e._transformDone=!0,e.renderCache({forClipping:!0}),this.drawClipPathOnCache(t,e))},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&this._cacheContext&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&this._cacheContext&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){var i=e.stroke;i&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineDashOffset=e.strokeDashOffset,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,i.toLive?"percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform?this._applyPatternForTransformedGradient(t,i):(t.strokeStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,i)):t.strokeStyle=e.stroke)},_setFillStyles:function(t,e){var i=e.fill;i&&(i.toLive?(t.fillStyle=i.toLive(t,this),this._applyPatternGradientTransform(t,e.fill)):t.fillStyle=i)},_setClippingProperties:function(t){t.globalAlpha=1,t.strokeStyle="transparent",t.fillStyle="#000000"},_setLineDash:function(t,e){e&&0!==e.length&&(1&e.length&&e.push.apply(e,e),t.setLineDash(e))},_renderControls:function(t,i){var n,r,s,a=this.getViewportTransform(),l=this.calcTransformMatrix();r=void 0!==(i=i||{}).hasBorders?i.hasBorders:this.hasBorders,s=void 0!==i.hasControls?i.hasControls:this.hasControls,l=e.util.multiplyTransformMatrices(a,l),n=e.util.qrDecompose(l),t.save(),t.translate(n.translateX,n.translateY),t.lineWidth=+this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.flipX&&(n.angle-=180),t.rotate(o(this.group?n.angle:this.angle)),i.forActiveSelection||this.group?r&&this.drawBordersInGroup(t,n,i):r&&this.drawBorders(t,i),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i,n=this.shadow,r=this.canvas,s=r&&r.viewportTransform[0]||1,o=r&&r.viewportTransform[3]||1;i=n.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),r&&r._isRetinaScaling()&&(s*=e.devicePixelRatio,o*=e.devicePixelRatio),t.shadowColor=n.color,t.shadowBlur=n.blur*e.browserShadowBlurConstant*(s+o)*(i.scaleX+i.scaleY)/4,t.shadowOffsetX=n.offsetX*s*i.scaleX,t.shadowOffsetY=n.offsetY*o*i.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,n=-this.width/2+e.offsetX||0,r=-this.height/2+e.offsetY||0;return"percentage"===e.gradientUnits?t.transform(this.width,0,0,this.height,n,r):t.transform(1,0,0,1,n,r),i&&t.transform(i[0],i[1],i[2],i[3],i[4],i[5]),{offsetX:n,offsetY:r}},_renderPaintInOrder:function(t){"stroke"===this.paintFirst?(this._renderStroke(t),this._renderFill(t)):(this._renderFill(t),this._renderStroke(t))},_render:function(){},_renderFill:function(t){this.fill&&(t.save(),this._setFillStyles(t,this),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this.strokeUniform&&this.group){var e=this.getObjectScaling();t.scale(1/e.scaleX,1/e.scaleY)}else this.strokeUniform&&t.scale(1/this.scaleX,1/this.scaleY);this._setLineDash(t,this.strokeDashArray),this._setStrokeStyles(t,this),t.stroke(),t.restore()}},_applyPatternForTransformedGradient:function(t,i){var n,r=this._limitCacheSize(this._getCacheCanvasDimensions()),s=e.util.createCanvasElement(),o=this.canvas.getRetinaScaling(),a=r.x/this.scaleX/o,l=r.y/this.scaleY/o;s.width=Math.ceil(a),s.height=Math.ceil(l),(n=s.getContext("2d")).beginPath(),n.moveTo(0,0),n.lineTo(a,0),n.lineTo(a,l),n.lineTo(0,l),n.closePath(),n.translate(a/2,l/2),n.scale(r.zoomX/this.scaleX/o,r.zoomY/this.scaleY/o),this._applyPatternGradientTransform(n,i),n.fillStyle=i.toLive(t),n.fill(),t.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),t.scale(o*this.scaleX/r.zoomX,o*this.scaleY/r.zoomY),t.strokeStyle=n.createPattern(s,"no-repeat")},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(t){var i=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),i=e.util.transformPoint(i,this.transformMatrix)),this.transformMatrix=null,t&&(this.scaleX*=t.scaleX,this.scaleY*=t.scaleY,this.cropX=t.cropX,this.cropY=t.cropY,i.x+=t.offsetLeft,i.y+=t.offsetTop,this.width=t.width,this.height=t.height),this.setPositionByOrigin(i,"center","center")},clone:function(t,i){var n=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(n,t):e.Object._fromObject("Object",n,t)},cloneAsImage:function(t,i){var n=this.toCanvasElement(i);return t&&t(new e.Image(n)),this},toCanvasElement:function(t){t||(t={});var i=e.util,n=i.saveObjectTransform(this),r=this.group,s=this.shadow,o=Math.abs,a=(t.multiplier||1)*(t.enableRetinaScaling?e.devicePixelRatio:1);delete this.group,t.withoutTransform&&i.resetObjectTransform(this),t.withoutShadow&&(this.shadow=null);var l,c,h,u,f=e.util.createCanvasElement(),d=this.getBoundingRect(!0,!0),g=this.shadow,p={x:0,y:0};g&&(c=g.blur,l=g.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),p.x=2*Math.round(o(g.offsetX)+c)*o(l.scaleX),p.y=2*Math.round(o(g.offsetY)+c)*o(l.scaleY)),h=d.width+p.x,u=d.height+p.y,f.width=Math.ceil(h),f.height=Math.ceil(u);var m=new e.StaticCanvas(f,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});"jpeg"===t.format&&(m.backgroundColor="#fff"),this.setPositionByOrigin(new e.Point(m.width/2,m.height/2),"center","center");var y=this.canvas;m.add(this);var b=m.toCanvasElement(a||1,t);return this.shadow=s,this.set("canvas",y),r&&(this.group=r),this.set(n).setCoords(),m._objects=[],m.dispose(),m=null,b},toDataURL:function(t){return t||(t={}),e.util.toDataURL(this.toCanvasElement(t),t.format||"png",t.quality||1)},isType:function(t){return arguments.length>1?Array.from(arguments).includes(this.type):this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var n=new e.Point(i.x,i.y),r=this._getLeftTopCoords();return this.angle&&(n=e.util.rotatePoint(n,r,o(-this.angle))),{x:n.x-r.x,y:n.y-r.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)},dispose:function(){e.runningAnimations&&e.runningAnimations.cancelByTarget(this)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.ENLIVEN_PROPS=["clipPath"],e.Object._fromObject=function(t,i,r,s){var o=e[t];i=n(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){void 0!==t[0]&&(i.fill=t[0]),void 0!==t[1]&&(i.stroke=t[1]),e.util.enlivenObjectEnlivables(i,i,function(){var t=s?new o(i[s],i):new o(i);r&&r(t)})})},e.Object.__uid=0)}(i),function(){var t=r.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};r.util.object.extend(r.Object.prototype,{translateToGivenOrigin:function(t,n,s,o,a){var l,c,h,u=t.x,f=t.y;return"string"==typeof n?n=e[n]:n-=.5,"string"==typeof o?o=e[o]:o-=.5,l=o-n,"string"==typeof s?s=i[s]:s-=.5,"string"==typeof a?a=i[a]:a-=.5,c=a-s,(l||c)&&(h=this._getTransformedDimensions(),u=t.x+l*h.x,f=t.y+c*h.y),new r.Point(u,f)},translateToCenterPoint:function(e,i,n){var s=this.translateToGivenOrigin(e,i,n,"center","center");return this.angle?r.util.rotatePoint(s,e,t(this.angle)):s},translateToOriginPoint:function(e,i,n){var s=this.translateToGivenOrigin(e,"center","center",i,n);return this.angle?r.util.rotatePoint(s,e,t(this.angle)):s},getCenterPoint:function(){var t=new r.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,n){var s,o,a=this.getCenterPoint();return s=void 0!==i&&void 0!==n?this.translateToGivenOrigin(a,"center","center",i,n):new r.Point(this.left,this.top),o=new r.Point(e.x,e.y),this.angle&&(o=r.util.rotatePoint(o,a,-t(this.angle))),o.subtractEquals(s)},setPositionByOrigin:function(t,e,i){var n=this.translateToCenterPoint(t,e,i),r=this.translateToOriginPoint(n,this.originX,this.originY);this.set("left",r.x),this.set("top",r.y)},adjustPosition:function(i){var n,s,o=t(this.angle),a=this.getScaledWidth(),l=r.util.cos(o)*a,c=r.util.sin(o)*a;n="string"==typeof this.originX?e[this.originX]:this.originX-.5,s="string"==typeof i?e[i]:i-.5,this.left+=l*(s-n),this.top+=c*(s-n),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}(),function(){var t=r.util,e=t.degreesToRadians,i=t.multiplyTransformMatrices,n=t.transformPoint;t.object.extend(r.Object.prototype,{oCoords:null,aCoords:null,lineCoords:null,ownMatrixCache:null,matrixCache:null,controls:{},_getCoords:function(t,e){return e?t?this.calcACoords():this.calcLineCoords():(this.aCoords&&this.lineCoords||this.setCoords(!0),t?this.aCoords:this.lineCoords)},getCoords:function(t,e){var i;return i=this._getCoords(t,e),[new r.Point(i.tl.x,i.tl.y),new r.Point(i.tr.x,i.tr.y),new r.Point(i.br.x,i.br.y),new r.Point(i.bl.x,i.bl.y)]},intersectsWithRect:function(t,e,i,n){var s=this.getCoords(i,n);return"Intersection"===r.Intersection.intersectPolygonRectangle(s,t,e).status},intersectsWithObject:function(t,e,i){return"Intersection"===r.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i)).status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var n=this.getCoords(e,i),r=e?t.aCoords:t.lineCoords,s=0,o=t._getImageLines(r);s<4;s++)if(!t.containsPoint(n[s],o))return!1;return!0},isContainedWithinRect:function(t,e,i,n){var r=this.getBoundingRect(i,n);return r.left>=t.x&&r.left+r.width<=e.x&&r.top>=t.y&&r.top+r.height<=e.y},containsPoint:function(t,e,i,n){var r=this._getCoords(i,n),e=e||this._getImageLines(r),s=this._findCrossPoints(t,e);return 0!==s&&s%2==1},isOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!(this.getCoords(!0,t).some(function(t){return t.x<=i.x&&t.x>=e.x&&t.y<=i.y&&t.y>=e.y})||this.intersectsWithRect(e,i,!0,t))||this._containsCenterOfCanvas(e,i,t)},_containsCenterOfCanvas:function(t,e,i){var n={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(n,null,!0,i)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,i,!0,t)||this.getCoords(!0,t).every(function(t){return(t.x>=i.x||t.x<=e.x)&&(t.y>=i.y||t.y<=e.y)})&&this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,n,r,s=0;for(var o in e)if((!((r=e[o]).o.y<t.y)||!(r.d.y<t.y))&&(!(r.o.y>=t.y)||!(r.d.y>=t.y))&&(r.o.x===r.d.x&&r.o.x>=t.x?n=r.o.x:(i=(r.d.y-r.o.y)/(r.d.x-r.o.x),n=-(t.y-0*t.x-(r.o.y-i*r.o.x))/(0-i)),n>=t.x&&(s+=1),2===s))break;return s},getBoundingRect:function(e,i){var n=this.getCoords(e,i);return t.makeBoundingBoxFromPoints(n)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){if(Math.abs(t)<this.minScaleLimit)if(t<0)return-this.minScaleLimit;else return this.minScaleLimit;return 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)},calcLineCoords:function(){var i=this.getViewportTransform(),r=this.padding,s=e(this.angle),o=t.cos(s),a=t.sin(s),l=o*r,c=a*r,h=l+c,u=l-c,f=this.calcACoords(),d={tl:n(f.tl,i),tr:n(f.tr,i),bl:n(f.bl,i),br:n(f.br,i)};return r&&(d.tl.x-=u,d.tl.y-=h,d.tr.x+=h,d.tr.y-=u,d.bl.x-=h,d.bl.y+=u,d.br.x+=u,d.br.y+=h),d},calcOCoords:function(){var t=this._calcRotateMatrix(),e=this._calcTranslateMatrix(),n=this.getViewportTransform(),r=i(n,e),s=i(r,t),s=i(s,[1/n[0],0,0,1/n[3],0,0]),o=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=i(this._calcTranslateMatrix(),t),r=this._getTransformedDimensions(),s=r.x/2,o=r.y/2;return{tl:n({x:-s,y:-o},e),tr:n({x:s,y:-o},e),bl:n({x:-s,y:o},e),br:n({x:s,y:o},e)}},setCoords:function(t){return this.aCoords=this.calcACoords(),this.lineCoords=this.group?this.aCoords:this.calcLineCoords(),t||(this.oCoords=this.calcOCoords(),this._setCornerCoords&&this._setCornerCoords()),this},_calcRotateMatrix:function(){return t.calcRotateMatrix(this)},_calcTranslateMatrix:function(){var t=this.getCenterPoint();return[1,0,0,1,t.x,t.y]},transformMatrixKey:function(t){var e="";return!t&&this.group&&(e=this.group.transformMatrixKey(t)+"_"),e+this.top+"_"+this.left+"_"+this.scaleX+"_"+this.scaleY+"_"+this.skewX+"_"+this.skewY+"_"+this.angle+"_"+this.originX+"_"+this.originY+"_"+this.width+"_"+this.height+"_"+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(t){var e=this.calcOwnMatrix();if(t||!this.group)return e;var n=this.transformMatrixKey(t),r=this.matrixCache||(this.matrixCache={});return r.key===n?r.value:(this.group&&(e=i(this.group.calcTransformMatrix(!1),e)),r.key=n,r.value=e,e)},calcOwnMatrix:function(){var e=this.transformMatrixKey(!0),i=this.ownMatrixCache||(this.ownMatrixCache={});if(i.key===e)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=e,i.value=t.composeMatrix(r),i.value},_getNonTransformedDimensions:function(){var t=this.strokeWidth;return{x:this.width+t,y:this.height+t}},_getTransformedDimensions:function(e,i){void 0===e&&(e=this.skewX),void 0===i&&(i=this.skewY);var n,r,s,o=0===e&&0===i;if(this.strokeUniform?(r=this.width,s=this.height):(r=(n=this._getNonTransformedDimensions()).x,s=n.y),o)return this._finalizeDimensions(r*this.scaleX,s*this.scaleY);var a=t.sizeAfterTransform(r,s,{scaleX:this.scaleX,scaleY:this.scaleY,skewX:e,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();return n(this._getTransformedDimensions(),t,!0).scalarAdd(2*this.padding)}})}(),r.util.object.extend(r.Object.prototype,{sendToBack:function(){return this.group?r.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas&&this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?r.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas&&this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?r.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas&&this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?r.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?r.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas&&this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(!e)return t+": none; ";if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new r.Color(e),n=t+": "+i.toRgb()+"; ",s=i.getAlpha();return 1!==s&&(n+=t+"-opacity: "+s.toString()+"; "),n}var e=r.util.toFixed;r.util.object.extend(r.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",l=this.strokeMiterLimit?this.strokeMiterLimit:"4",c=void 0!==this.opacity?this.opacity:"1",h=this.visible?"":" visibility: hidden;",u=e?"":this.getSvgFilter(),f=t("fill",this.fill);return t("stroke",this.stroke)+"stroke-width: "+n+"; stroke-dasharray: "+r+"; stroke-linecap: "+o+"; stroke-dashoffset: "+s+"; stroke-linejoin: "+a+"; stroke-miterlimit: "+l+"; "+f+"fill-rule: "+i+"; opacity: "+c+";"+u+h},getSvgSpanStyles:function(e,i){var n=e.fontFamily?"font-family: "+(-1===e.fontFamily.indexOf("'")&&-1===e.fontFamily.indexOf('"')?"'"+e.fontFamily+"'":e.fontFamily)+"; ":"",r=e.strokeWidth?"stroke-width: "+e.strokeWidth+"; ":"",n=n,s=e.fontSize?"font-size: "+e.fontSize+"px; ":"",o=e.fontStyle?"font-style: "+e.fontStyle+"; ":"",a=e.fontWeight?"font-weight: "+e.fontWeight+"; ":"",l=e.fill?t("fill",e.fill):"",c=e.stroke?t("stroke",e.stroke):"",h=this.getSvgTextDecoration(e);return h&&(h="text-decoration: "+h+"; "),[c,r,n,s,o,a,h,l,e.deltaY?"baseline-shift: "+-e.deltaY+"; ":"",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();return'transform="'+r.util.matrixToSVG(i)+(e||"")+'" '},_setSVGBg:function(t){if(this.backgroundColor){var i=r.Object.NUM_FRACTION_DIGITS;t.push("		<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"	"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,n=e.additionalTransform||"",r=[this.getSvgTransform(!0,n),this.getSvgCommons()].join(""),s=t.indexOf("COMMON_PARTS");return t[s]=r,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,n,s=(e=e||{}).noStyle,o=e.reviver,a=s?"":'style="'+this.getSvgStyles()+'" ',l=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",c=this.clipPath,h=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",u=c&&c.absolutePositioned,f=this.stroke,d=this.fill,g=this.shadow,p=[],m=t.indexOf("COMMON_PARTS"),y=e.additionalTransform;return c&&(c.clipPathId="CLIPPATH_"+r.Object.__uid++,n='<clipPath id="'+c.clipPathId+'" >\n'+c.toClipPathSVG(o)+"</clipPath>\n"),u&&p.push("<g ",l,this.getSvgCommons()," >\n"),p.push("<g ",this.getSvgTransform(!1),u?"":l+this.getSvgCommons()," >\n"),i=""+a+h+(s?"":this.addPaintOrder())+" "+(y?'transform="'+y+'" ':""),t[m]=i,d&&d.toLive&&p.push(d.toSVG(this)),f&&f.toLive&&p.push(f.toSVG(this)),g&&p.push(g.toSVG(this)),c&&p.push(n),p.push(t.join("")),p.push("</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=r.util.object.extend,e="stateProperties";function i(e,i,n){var r={};n.forEach(function(t){r[t]=e[t]}),t(e[i],r,!0)}r.util.object.extend(r.Object.prototype,{hasStateChanged:function(t){var i="_"+(t=t||e);return Object.keys(this[i]).length<this[t].length||!function t(e,i,n){if(e===i)return!0;if(Array.isArray(e)){if(!Array.isArray(i)||e.length!==i.length)return!1;for(var r=0,s=e.length;r<s;r++)if(!t(e[r],i[r]))return!1;return!0}if(e&&"object"==typeof e){var o,a=Object.keys(e);if(!i||"object"!=typeof i||!n&&a.length!==Object.keys(i).length)return!1;for(var r=0,s=a.length;r<s;r++)if("canvas"!==(o=a[r])&&"group"!==o&&!t(e[o],i[o]))return!1;return!0}}(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){var i=(t=t||{}).propertySet||e;return t.propertySet=i,this["_"+i]={},this.saveState(t),this}})}(),function(){var t=r.util.degreesToRadians;r.util.object.extend(r.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),l=a.length-1;for(this.__corner=0;l>=0;l--)if(r=a[l],this.isControlVisible(r)&&(n=this._getImageLines(e?this.oCoords[r].touchCorner:this.oCoords[r].corner),0!==(i=this._findCrossPoints({x:s,y:o},n))&&i%2==1))return this.__corner=r,r;return!1},forEachControl:function(t){for(var e in this.controls)t(this.controls[e],e,this)},_setCornerCoords:function(){var t=this.oCoords;for(var e in t){var i=this.controls[e];t[e].corner=i.calcCornerCoords(this.angle,this.cornerSize,t[e].x,t[e].y,!1),t[e].touchCorner=i.calcCornerCoords(this.angle,this.touchCornerSize,t[e].x,t[e].y,!0)}},drawSelectionBackground:function(e){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;e.save();var i=this.getCenterPoint(),n=this._calculateCurrentDimensions(),r=this.canvas.viewportTransform;return e.translate(i.x,i.y),e.scale(1/r[0],1/r[3]),e.rotate(t(this.angle)),e.fillStyle=this.selectionBackgroundColor,e.fillRect(-n.x/2,-n.y/2,n.x,n.y),e.restore(),this},drawBorders:function(t,e){e=e||{};var i=this._calculateCurrentDimensions(),n=this.borderScaleFactor,r=i.x+n,s=i.y+n,o=void 0!==e.hasControls?e.hasControls:this.hasControls,a=!1;return t.save(),t.strokeStyle=e.borderColor||this.borderColor,this._setLineDash(t,e.borderDashArray||this.borderDashArray),t.strokeRect(-r/2,-s/2,r,s),o&&(t.beginPath(),this.forEachControl(function(e,i,n){e.withConnection&&e.getVisibility(n,i)&&(a=!0,t.moveTo(e.x*r,e.y*s),t.lineTo(e.x*r+e.offsetX,e.y*s+e.offsetY))}),a&&t.stroke()),t.restore(),this},drawBordersInGroup:function(t,e,i){i=i||{};var n=r.util.sizeAfterTransform(this.width,this.height,e),s=this.strokeWidth,o=this.strokeUniform,a=this.borderScaleFactor,l=n.x+s*(o?this.canvas.getZoom():e.scaleX)+a,c=n.y+s*(o?this.canvas.getZoom():e.scaleY)+a;return t.save(),this._setLineDash(t,i.borderDashArray||this.borderDashArray),t.strokeStyle=i.borderColor||this.borderColor,t.strokeRect(-l/2,-c/2,l,c),t.restore(),this},drawControls:function(t,e){e=e||{},t.save();var i,n,s=1;return this.canvas&&(s=this.canvas.getRetinaScaling()),t.setTransform(s,0,0,s,0,0),t.strokeStyle=t.fillStyle=e.cornerColor||this.cornerColor,this.transparentCorners||(t.strokeStyle=e.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(t,e.cornerDashArray||this.cornerDashArray),this.setCoords(),this.group&&(i=this.group.calcTransformMatrix()),this.forEachControl(function(s,o,a){n=a.oCoords[o],s.getVisibility(a,o)&&(i&&(n=r.util.transformPoint(n,i)),s.render(t,n.x,n.y,e,a))}),t.restore(),this},isControlVisible:function(t){return this.controls[t]&&this.controls[t].getVisibility(this,t)},setControlVisible:function(t,e){return this._controlsVisibility||(this._controlsVisibility={}),this._controlsVisibility[t]=e,this},setControlsVisibility:function(t){for(var e in t||(t={}),t)this.setControlVisible(e,t[e]);return this},onDeselect:function(){},onSelect:function(){}})}(),r.util.object.extend(r.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.left,endValue:this.getCenterPoint().x,duration:this.FX_DURATION,onChange:function(e){t.set("left",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),n()}})},fxCenterObjectV:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.top,endValue:this.getCenterPoint().y,duration:this.FX_DURATION,onChange:function(e){t.set("top",e),o.requestRenderAll(),s()},onComplete:function(){t.setCoords(),n()}})},fxRemove:function(t,e){var i=function(){},n=(e=e||{}).onComplete||i,s=e.onChange||i,o=this;return r.util.animate({target:this,startValue:t.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(e){t.set("opacity",e),o.requestRenderAll(),s()},onComplete:function(){o.remove(t),n()}})}}),r.util.object.extend(r.Object.prototype,{animate:function(){if(!arguments[0]||"object"!=typeof arguments[0])return this._animate.apply(this,arguments);var t,e,i=[],n=[];for(t in arguments[0])i.push(t);for(var r=0,s=i.length;r<s;r++)t=i[r],e=r!==s-1,n.push(this._animate(t,arguments[0][t],arguments[1],e));return n},_animate:function(t,e,i,n){var s,o=this;e=e.toString(),i=i?r.util.object.clone(i):{},~t.indexOf(".")&&(s=t.split("."));var a=o.colorProperties.indexOf(t)>-1||s&&o.colorProperties.indexOf(s[1])>-1,l=s?this.get(s[0])[s[1]]:this.get(t);"from"in i||(i.from=l),a||(e=~e.indexOf("=")?l+parseFloat(e.replace("=","")):parseFloat(e));var c={target:this,startValue:i.from,endValue:e,byValue:i.by,easing:i.easing,duration:i.duration,abort:i.abort&&function(t,e,n){return i.abort.call(o,t,e,n)},onChange:function(e,r,a){s?o[s[0]][s[1]]=e:o.set(t,e),!n&&i.onChange&&i.onChange(e,r,a)},onComplete:function(t,e,r){!n&&(o.setCoords(),i.onComplete&&i.onComplete(t,e,r))}};return a?r.util.animateColor(c.startValue,c.endValue,c.duration,c):r.util.animate(c)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.object.clone,r={x1:1,x2:1,y1:1,y2:1};if(e.Line)return e.warn("fabric.Line is already defined");function s(t,e){var i=t.origin,n=t.axis1,r=t.axis2,s=t.dimension,o=e.nearest,a=e.center,l=e.farthest;return function(){switch(this.get(i)){case o:return Math.min(this.get(n),this.get(r));case a:return Math.min(this.get(n),this.get(r))+.5*this.get(s);case l:return Math.max(this.get(n),this.get(r))}}}e.Line=e.util.createClass(e.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:e.Object.prototype.cacheProperties.concat("x1","x2","y1","y2"),initialize:function(t,e){t||(t=[0,0,0,0]),this.callSuper("initialize",e),this.set("x1",t[0]),this.set("y1",t[1]),this.set("x2",t[2]),this.set("y2",t[3]),this._setWidthHeight(e)},_setWidthHeight:function(t){t||(t={}),this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left="left"in t?t.left:this._getLeftToOriginX(),this.top="top"in t?t.top:this._getTopToOriginY()},_set:function(t,e){return this.callSuper("_set",t,e),void 0!==r[t]&&this._setWidthHeight(),this},_getLeftToOriginX:s({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:s({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(t){t.beginPath();var e=this.calcLinePoints();t.moveTo(e.x1,e.y1),t.lineTo(e.x2,e.y2),t.lineWidth=this.strokeWidth;var i=t.strokeStyle;t.strokeStyle=this.stroke||t.fillStyle,this.stroke&&this._renderStroke(t),t.strokeStyle=i},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(t){return i(this.callSuper("toObject",t),this.calcLinePoints())},_getNonTransformedDimensions:function(){var t=this.callSuper("_getNonTransformedDimensions");return"butt"===this.strokeLineCap&&(0===this.width&&(t.y-=this.strokeWidth),0===this.height&&(t.x-=this.strokeWidth)),t},calcLinePoints:function(){var t=this.x1<=this.x2?-1:1,e=this.y1<=this.y2?-1:1,i=t*this.width*.5,n=e*this.height*.5;return{x1:i,x2:-(t*this.width*.5),y1:n,y2:-(e*this.height*.5)}},_toSVG:function(){var t=this.calcLinePoints();return["<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){var r=n(t,!0);r.points=[t.x1,t.y1,t.x2,t.y2],e.Object._fromObject("Line",r,function(t){delete t.points,i&&i(t)},"points")}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.degreesToRadians;if(e.Circle)return e.warn("fabric.Circle is already defined.");e.Circle=e.util.createClass(e.Object,{type:"circle",radius:0,startAngle:0,endAngle:360,cacheProperties:e.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},_toSVG:function(){var t,n=(this.endAngle-this.startAngle)%360;if(0===n)t=["<circle ","COMMON_PARTS",'cx="0" cy="0" ','r="',this.radius,'" />\n'];else{var r=i(this.startAngle),s=i(this.endAngle),o=this.radius,a=e.util.cos(r)*o,l=e.util.sin(r)*o,c=e.util.cos(s)*o,h=e.util.sin(s)*o;t=['<path d="M '+a+" "+l," A "+o+" "+o," 0 ",+(n>180?"1":"0")+" 1"," "+c+" "+h,'" ',"COMMON_PARTS"," />\n"]}return t},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,i(this.startAngle),i(this.endAngle),!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),e.Circle.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),e.Circle.fromElement=function(t,i){var n,r=e.parseAttributes(t,e.Circle.ATTRIBUTE_NAMES);if(!("radius"in(n=r)&&n.radius>=0))throw Error("value of `r` attribute is required and can not be negative");r.left=(r.left||0)-r.radius,r.top=(r.top||0)-r.radius,i(new e.Circle(r))},e.Circle.fromObject=function(t,i){e.Object._fromObject("Circle",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={});if(e.Triangle)return e.warn("fabric.Triangle is already defined");e.Triangle=e.util.createClass(e.Object,{type:"triangle",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_toSVG:function(){var t=this.width/2,e=this.height/2;return["<polygon ","COMMON_PARTS",'points="',[-t+" "+e,"0 "+-e,t+" "+e].join(","),'" />']}}),e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI;if(e.Ellipse)return e.warn("fabric.Ellipse is already defined.");e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["<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){e.Object._fromObject("Ellipse",t,i)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return e.warn("fabric.Rect is already defined");e.Rect=e.util.createClass(e.Object,{stateProperties:e.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:e.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,n=this.width,r=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+n-e,o),a&&t.bezierCurveTo(s+n-.4477152502*e,o,s+n,o+.4477152502*i,s+n,o+i),t.lineTo(s+n,o+r-i),a&&t.bezierCurveTo(s+n,o+r-.4477152502*i,s+n-.4477152502*e,o+r,s+n-e,o+r),t.lineTo(s+e,o+r),a&&t.bezierCurveTo(s+.4477152502*e,o+r,s,o+r-.4477152502*i,s,o+r-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+.4477152502*i,s+.4477152502*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["<rect ","COMMON_PARTS",'x="',-this.width/2,'" y="',-this.height/2,'" 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)}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.util.array.min,r=e.util.array.max,s=e.util.toFixed,o=e.util.projectStrokeOnPoints;if(e.Polyline)return e.warn("fabric.Polyline is already defined");e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,exactBoundingBox:!1,cacheProperties:e.Object.prototype.cacheProperties.concat("points"),initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._setPositionDimensions(e)},_projectStrokeOnPoints:function(){return o(this.points,this,!0)},_setPositionDimensions:function(t){var e,i=this._calcDimensions(t),n=this.exactBoundingBox?this.strokeWidth:0;this.width=i.width-n,this.height=i.height-n,t.fromSVG||(e=this.translateToGivenOrigin({x:i.left-this.strokeWidth/2+n/2,y:i.top-this.strokeWidth/2+n/2},"left","top",this.originX,this.originY)),void 0===t.left&&(this.left=t.fromSVG?i.left:e.x),void 0===t.top&&(this.top=t.fromSVG?i.top:e.y),this.pathOffset={x:i.left+this.width/2+n/2,y:i.top+this.height/2+n/2}},_calcDimensions:function(){var t=this.exactBoundingBox?this._projectStrokeOnPoints():this.points,e=n(t,"x")||0,i=n(t,"y")||0;return{left:e,top:i,width:(r(t,"x")||0)-e,height:(r(t,"y")||0)-i}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},_toSVG:function(){for(var t=[],i=this.pathOffset.x,n=this.pathOffset.y,r=e.Object.NUM_FRACTION_DIGITS,o=0,a=this.points.length;o<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)},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")}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.projectStrokeOnPoints;if(e.Polygon)return e.warn("fabric.Polygon is already defined");e.Polygon=e.util.createClass(e.Polyline,{type:"polygon",_projectStrokeOnPoints:function(){return i(this.points,this)},_render:function(t){this.commonRender(t)&&(t.closePath(),this._renderPaintInOrder(t))}}),e.Polygon.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat(),e.Polygon.fromElement=e.Polyline.fromElementGenerator("Polygon"),e.Polygon.fromObject=function(t,i){e.Object._fromObject("Polygon",t,i,"points")}}(i),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=e.util.object.clone,o=e.util.toFixed;if(e.Path)return 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,e){e=s(e||{}),delete e.path,this.callSuper("initialize",e),this._setPath(t||[],e)},_setPath:function(t,i){this.path=e.util.makePathSimpler(Array.isArray(t)?t:e.util.parsePath(t)),e.Polyline.prototype._setPositionDimensions.call(this,i||{})},_renderPathCommands:function(t){var e,i=0,n=0,r=0,s=0,o=0,a=0,l=-this.pathOffset.x,c=-this.pathOffset.y;t.beginPath();for(var h=0,u=this.path.length;h<u;++h)switch((e=this.path[h])[0]){case"L":r=e[1],s=e[2],t.lineTo(r+l,s+c);break;case"M":r=e[1],s=e[2],i=r,n=s,t.moveTo(r+l,s+c);break;case"C":r=e[5],s=e[6],o=e[3],a=e[4],t.bezierCurveTo(e[1]+l,e[2]+c,o+l,a+c,r+l,s+c);break;case"Q":t.quadraticCurveTo(e[1]+l,e[2]+c,e[3]+l,e[4]+c),r=e[3],s=e[4],o=e[1],a=e[2];break;case"z":case"Z":r=i,s=n,t.closePath()}},_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(){return["<path ","COMMON_PARTS",'d="',e.util.joinPath(this.path),'" 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"	"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var t,r,s=[],o=[],a=0,l=0,c=0,h=0,u=0,f=this.path.length;u<f;++u){switch((t=this.path[u])[0]){case"L":c=t[1],h=t[2],r=[];break;case"M":c=t[1],h=t[2],a=c,l=h,r=[];break;case"C":r=e.util.getBoundsOfCurve(c,h,t[1],t[2],t[3],t[4],t[5],t[6]),c=t[5],h=t[6];break;case"Q":r=e.util.getBoundsOfCurve(c,h,t[1],t[2],t[1],t[2],t[3],t[4]),c=t[3],h=t[4];break;case"z":case"Z":c=a,h=l}r.forEach(function(t){s.push(t.x),o.push(t.y)}),s.push(c),o.push(h)}var d=i(s)||0,g=i(o)||0;return{left:d,top:g,width:(n(s)||0)-d,height:(n(o)||0)-g}}}),e.Path.fromObject=function(t,i){if("string"==typeof t.sourcePath){var n=t.sourcePath;e.loadSVGFromURL(n,function(n){var r=n[0];r.setOptions(t),t.clipPath?e.util.enlivenObjects([t.clipPath],function(t){r.clipPath=t[0],i&&i(r)}):i&&i(r)})}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)))}}(i),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=this._objects.length;t--;)this._objects[t].setCoords(!0)},_updateObjectsCoords:function(t){for(var t=t||this.getCenterPoint(),e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){var i=t.left,n=t.top;t.set({left:i-e.x,top:n-e.y}),t.group=this,t.setCoords(!0)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(t){var i=!!this.group;return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(i&&e.util.removeTransformFromObject(t,this.group.calcTransformMatrix()),this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.dirty=!0,i?this.group.addWithUpdate():this.setCoords(),this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,i){var n=this._objects.length;if(this.useSetOnGroup)for(;n--;)this._objects[n].setOnGroup(t,i);if("canvas"===t)for(;n--;)this._objects[n]._set(t,i);e.Object.prototype._set.call(this,t,i)},toObject:function(t){var i=this.includeDefaultValues,n=this._objects.filter(function(t){return!t.excludeFromExport}).map(function(e){var n=e.includeDefaultValues;e.includeDefaultValues=i;var r=e.toObject(t);return e.includeDefaultValues=n,r}),r=e.Object.prototype.toObject.call(this,t);return r.objects=n,r},toDatalessObject:function(t){var i,n=this.sourcePath;if(n)i=n;else{var r=this.includeDefaultValues;i=this._objects.map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=r;var n=e.toDatalessObject(t);return e.includeDefaultValues=i,n})}var s=e.Object.prototype.toDatalessObject.call(this,t);return s.objects=i,s},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=e.Object.prototype.shouldCache.call(this);if(t){for(var i=0,n=this._objects.length;i<n;i++)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,this.clipPath)},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(){var t=this.calcOwnMatrix();return this._objects.forEach(function(i){e.util.addTransformToObject(i,t),delete i.group,i.setCoords()}),this},destroy:function(){return this._objects.forEach(function(t){t.set("dirty",!0)}),this._restoreObjectsState()},dispose:function(){this.callSuper("dispose"),this.forEachObject(function(t){t.dispose&&t.dispose()}),this._objects=[]},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(){return this.forEachObject(function(t){t.setCoords(!0)}),this},_calcBounds:function(t){for(var e,i,n,r,s=[],o=[],a=["tr","br","bl","tl"],l=0,c=this._objects.length,h=a.length;l<c;++l){for(r=0,n=(e=this._objects[l]).calcACoords();r<h;r++)i=a[r],s.push(n[i].x),o.push(n[i].y);e.aCoords=n}this._getBounds(s,o,t)},_getBounds:function(t,r,s){var o=new e.Point(i(t),i(r)),a=new e.Point(n(t),n(r)),l=o.y||0,c=o.x||0,h=a.x-o.x||0,u=a.y-o.y||0;this.width=h,this.height=u,s||this.setPositionByOrigin({x:c,y:l},"left","top")},_toSVG:function(t){for(var e=["<g ","COMMON_PARTS"," >\n"],i=0,n=this._objects.length;i<n;i++)e.push("		",this._objects[i].toSVG(t));return e.push("</g>\n"),e},getSvgStyles:function(){var t=void 0!==this.opacity&&1!==this.opacity?"opacity: "+this.opacity+";":"",e=this.visible?"":" visibility: hidden;";return[t,this.getSvgFilter(),e].join("")},toClipPathSVG:function(t){for(var e=[],i=0,n=this._objects.length;i<n;i++)e.push("	",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);if(delete r.objects,"string"==typeof n)return void e.loadSVGFromURL(n,function(s){var o=e.util.groupSVGElements(s,t,n),a=r.clipPath;delete r.clipPath,o.set(r),a?e.util.enlivenObjects([a],function(t){o.clipPath=t[0],i&&i(o)}):i&&i(o)});e.util.enlivenObjects(n,function(n){e.util.enlivenObjectEnlivables(t,r,function(){i&&i(new e.Group(n,r,!0))})})})}(i),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,void 0===(i=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);this.callSuper("_renderControls",t,e),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))})})}(i),function(t){"use strict";var e=r.util.object.extend;if(t.fabric||(t.fabric={}),t.fabric.Image)return r.warn("fabric.Image is already defined.");r.Image=r.util.createClass(r.Object,{type:"image",strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:r.Object.prototype.stateProperties.concat("cropX","cropY"),cacheProperties:r.Object.prototype.cacheProperties.concat("cropX","cropY"),cacheKey:"",cropX:0,cropY:0,imageSmoothing:!0,initialize:function(t,e){e||(e={}),this.filters=[],this.cacheKey="texture"+r.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=r.filterBackend;e&&e.evictCachesForKey&&e.evictCachesForKey(t)},dispose:function(){this.callSuper("dispose"),this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+"_filtered"),this._cacheContext=void 0,["_originalElement","_element","_filteredEl","_cacheCanvas"].forEach((function(t){r.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()}},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=[],n=this._element,s=-this.width/2,o=-this.height/2,a="",l="";if(!n)return[];if(this.hasCrop()){var c=r.Object.__uid++;e.push('<clipPath id="imageCrop_'+c+'">\n','	<rect x="'+s+'" y="'+o+'" width="'+this.width+'" height="'+this.height+'" />\n',"</clipPath>\n"),a=' clip-path="url(#imageCrop_'+c+')" '}if(this.imageSmoothing||(l='" image-rendering="optimizeSpeed'),i.push("	<image ","COMMON_PARTS",'xlink:href="',this.getSvgSrc(!0),'" x="',s-this.cropX,'" y="',o-this.cropY,'" width="',n.width||n.naturalWidth,'" height="',n.height||n.height,l,'"',a,"></image>\n"),this.stroke||this.strokeDashArray){var h=this.fill;this.fill=null,t=["	<rect ",'x="',s,'" y="',o,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'],this.fill=h}return"fill"!==this.paintFirst?e.concat(t,i):e.concat(i,t)},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():this.srcFromAttribute?e.getAttribute("src"):e.src:this.src||""},setSrc:function(t,e,i){return r.util.loadImage(t,function(t,n){this.setElement(t,i),this._setWidthHeight(),e&&e(this,n)},this,i&&i.crossOrigin),this},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),n=i.scaleX,s=i.scaleY,o=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||n>e&&s>e){this._element=o,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=n,this._lastScaleY=s;return}r.filterBackend||(r.filterBackend=r.initFilterBackend());var a=r.util.createCanvasElement(),l=this._filteredEl?this.cacheKey+"_filtered":this.cacheKey,c=o.width,h=o.height;a.width=c,a.height=h,this._element=a,this._lastScaleX=t.scaleX=n,this._lastScaleY=t.scaleY=s,r.filterBackend.applyFilters([t],o,c,h,this._element,l),this._filterScalingX=a.width/this._originalElement.width,this._filterScalingY=a.height/this._originalElement.height},applyFilters:function(t){if(t=(t=t||this.filters||[]).filter(function(t){return t&&!t.isNeutralState()}),this.set("dirty",!0),this.removeTexture(this.cacheKey+"_filtered"),0===t.length)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,n=e.naturalHeight||e.height;if(this._element===this._originalElement){var s=r.util.createCanvasElement();s.width=i,s.height=n,this._element=s,this._filteredEl=s}else this._element=this._filteredEl,this._filteredEl.getContext("2d").clearRect(0,0,i,n),this._lastScaleX=1,this._lastScaleY=1;return r.filterBackend||(r.filterBackend=r.initFilterBackend()),r.filterBackend.applyFilters(t,this._originalElement,i,n,this._element,this.cacheKey),(this._originalElement.width!==this._element.width||this._originalElement.height!==this._element.height)&&(this._filterScalingX=this._element.width/this._originalElement.width,this._filterScalingY=this._element.height/this._originalElement.height),this},_render:function(t){r.util.setImageSmoothing(t,this.imageSmoothing),!0!==this.isMoving&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(t),this._renderPaintInOrder(t)},drawCacheOnCanvas:function(t){r.util.setImageSmoothing(t,this.imageSmoothing),r.Object.prototype.drawCacheOnCanvas.call(this,t)},shouldCache:function(){return this.needsItsOwnCache()},_renderFill:function(t){var e=this._element;if(e){var i=this._filterScalingX,n=this._filterScalingY,r=this.width,s=this.height,o=Math.min,a=Math.max,l=a(this.cropX,0),c=a(this.cropY,0),h=e.naturalWidth||e.width,u=e.naturalHeight||e.height,f=l*i,d=c*n,g=o(r*i,h-f),p=o(s*n,u-d),m=-r/2,y=-s/2,b=o(r,h/i-l),x=o(s,u/n-c);e&&t.drawImage(e,f,d,g,p,m,y,b,x)}},_needsResize:function(){var t=this.getTotalObjectScaling();return t.scaleX!==this._lastScaleX||t.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(t,e){this.setElement(r.util.getById(t),e),r.util.addClass(this.getElement(),r.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t)},_initFilters:function(t,e){t&&t.length?r.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){t||(t={});var e=this.getElement();this.width=t.width||e.naturalWidth||e.width||0,this.height=t.height||e.naturalHeight||e.height||0},parsePreserveAspectRatioAttribute:function(){var t,e=r.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||""),i=this._element.width,n=this._element.height,s=1,o=1,a=0,l=0,c=0,h=0,u=this.width,f=this.height,d={width:u,height:f};return e&&("none"!==e.alignX||"none"!==e.alignY)?("meet"===e.meetOrSlice&&(t=(u-i*(s=o=r.util.findScaleToFit(this._element,d)))/2,"Min"===e.alignX&&(a=-t),"Max"===e.alignX&&(a=t),t=(f-n*o)/2,"Min"===e.alignY&&(l=-t),"Max"===e.alignY&&(l=t)),"slice"===e.meetOrSlice&&(t=i-u/(s=o=r.util.findScaleToCover(this._element,d)),"Mid"===e.alignX&&(c=t/2),"Max"===e.alignX&&(c=t),t=n-f/o,"Mid"===e.alignY&&(h=t/2),"Max"===e.alignY&&(h=t),i=u/s,n=f/o)):(s=u/i,o=f/n),{width:i,height:n,scaleX:s,scaleY:o,offsetLeft:a,offsetTop:l,cropX:c,cropY:h}}}),r.Image.CSS_CANVAS="canvas-img",r.Image.prototype.getSvgSrc=r.Image.prototype.getSrc,r.Image.fromObject=function(t,e){var i=r.util.object.clone(t);r.util.loadImage(i.src,function(t,n){if(n){e&&e(null,!0);return}r.Image.prototype._initFilters.call(i,i.filters,function(n){i.filters=n||[],r.Image.prototype._initFilters.call(i,[i.resizeFilter],function(n){i.resizeFilter=n[0],r.util.enlivenObjectEnlivables(i,i,function(){e(new r.Image(t,i),!1)})})})},null,i.crossOrigin)},r.Image.fromURL=function(t,e,i){r.util.loadImage(t,function(t,n){e&&e(new r.Image(t,i),n)},null,i&&i.crossOrigin)},r.Image.ATTRIBUTE_NAMES=r.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin image-rendering".split(" ")),r.Image.fromElement=function(t,i,n){var s=r.parseAttributes(t,r.Image.ATTRIBUTE_NAMES);r.Image.fromURL(s["xlink:href"],i,e(n?r.util.object.clone(n):{},s))}}(i),r.util.object.extend(r.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten())},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,n=t.onChange||e,s=this;return r.util.animate({target:this,startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){s.rotate(t),n()},onComplete:function(){s.setCoords(),i()}})}}),r.util.object.extend(r.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound})}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}r.isWebglSupported=function(t){if(r.isLikelyNode)return!1;t=t||r.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),n=!1;if(i){r.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),n=r.maxTextureSize>=t;for(var s=["highp","mediump","lowp"],o=0;o<3;o++)if(function(t,e){var i=t.createShader(t.FRAGMENT_SHADER);return t.shaderSource(i,"precision "+e+" float;\nvoid main(){}"),t.compileShader(i),!!t.getShaderParameter(i,t.COMPILE_STATUS)}(i,s[o])){r.webGlPrecision=s[o];break}}return this.isSupported=n,n},r.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,n,s,l=void 0!==window.performance;try{new ImageData(1,1),s=!0}catch(t){s=!1}var c="undefined"!=typeof ArrayBuffer,h="undefined"!=typeof Uint8ClampedArray;if(l&&s&&c&&h){var u=r.util.createCanvasElement(),f=new ArrayBuffer(t*e*4);if(r.forceGLPutImageData){this.imageBuffer=f,this.copyGLTo2D=a;return}var d={imageBuffer:f,destinationWidth:t,destinationHeight:e,targetCanvas:u};u.width=t,u.height=e,i=window.performance.now(),o.call(d,this.gl,d),n=window.performance.now()-i,i=window.performance.now(),a.call(d,this.gl,d),n>window.performance.now()-i?(this.imageBuffer=f,this.copyGLTo2D=a):this.copyGLTo2D=o}},createWebGLCanvas:function(t,e){var i=r.util.createCanvasElement();i.width=t,i.height=e;var n={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},s=i.getContext("webgl",n);s||(s=i.getContext("experimental-webgl",n)),s&&(s.clearColor(0,0,0,0),this.canvas=i,this.gl=s)},applyFilters:function(t,e,i,n,r,s){var o,a,l,c,h,u,f,d=this.gl;s&&(f=this.getCachedTexture(s,e));var g={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:n,destinationWidth:i,destinationHeight:n,context:d,sourceTexture:this.createTexture(d,i,n,!f&&e),targetTexture:this.createTexture(d,i,n),originalTexture:f||this.createTexture(d,i,n,!f&&e),passes:t.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:r},p=d.createFramebuffer();return d.bindFramebuffer(d.FRAMEBUFFER,p),t.forEach(function(t){t&&t.applyTo(g)}),l=(a=(o=g).targetCanvas).width,c=a.height,h=o.destinationWidth,u=o.destinationHeight,(l!==h||c!==u)&&(a.width=h,a.height=u),this.copyGLTo2D(d,g),d.bindTexture(d.TEXTURE_2D,null),d.deleteTexture(g.sourceTexture),d.deleteTexture(g.targetTexture),d.deleteFramebuffer(p),r.getContext("2d").setTransform(1,0,0,1,0,0),g},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,n,r){var s=t.createTexture();return t.bindTexture(t.TEXTURE_2D,s),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,r||t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,r||t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),n?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,n):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),s},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:o,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e={renderer:"",vendor:""};if(!t)return e;var i=t.getExtension("WEBGL_debug_renderer_info");if(i){var n=t.getParameter(i.UNMASKED_RENDERER_WEBGL),r=t.getParameter(i.UNMASKED_VENDOR_WEBGL);n&&(e.renderer=n.toLowerCase()),r&&(e.vendor=r.toLowerCase())}return this.gpuInfo=e,e}}}(),!function(){"use strict";var t=function(){};function e(){}r.Canvas2dFilterBackend=e,e.prototype={evictCachesForKey:t,dispose:t,clearWebGLCaches:t,resources:{},applyFilters:function(t,e,i,n,r){var s=r.getContext("2d");s.drawImage(e,0,0,i,n);var o=s.getImageData(0,0,i,n),a=s.getImageData(0,0,i,n),l={sourceWidth:i,sourceHeight:n,imageData:o,originalEl:e,originalImageData:a,canvasEl:r,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(l)}),(l.imageData.width!==i||l.imageData.height!==n)&&(r.width=l.imageData.width,r.height=l.imageData.height),s.putImageData(l.imageData,0,0),l}}}(),r.Image=r.Image||{},r.Image.filters=r.Image.filters||{},r.Image.filters.BaseFilter=r.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aPosition;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){e=e||this.fragmentSource,i=i||this.vertexSource,"highp"!==r.webGlPrecision&&(e=e.replace(/precision highp float/g,"precision "+r.webGlPrecision+" float"));var n=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(n,i),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw Error("Vertex shader compile error for "+this.type+": "+t.getShaderInfoLog(n));var s=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(s,e),t.compileShader(s),!t.getShaderParameter(s,t.COMPILE_STATUS))throw Error("Fragment shader compile error for "+this.type+": "+t.getShaderInfoLog(s));var o=t.createProgram();if(t.attachShader(o,n),t.attachShader(o,s),t.linkProgram(o),!t.getProgramParameter(o,t.LINK_STATUS))throw Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(o));var a=this.getAttributeLocations(t,o),l=this.getUniformLocations(t,o)||{};return l.uStepW=t.getUniformLocation(o,"uStepW"),l.uStepH=t.getUniformLocation(o,"uStepH"),{program:o,attributeLocations:a,uniformLocations:l}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition")}},getUniformLocations:function(){return{}},sendAttributeData:function(t,e,i){var n=e.aPosition,r=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,r),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)},_setupFrameBuffer:function(t){var e,i,n=t.context;t.passes>1?(e=t.destinationWidth,i=t.destinationHeight,(t.sourceWidth!==e||t.sourceHeight!==i)&&(n.deleteTexture(t.targetTexture),t.targetTexture=t.filterBackend.createTexture(n,e,i)),n.framebufferTexture2D(n.FRAMEBUFFER,n.COLOR_ATTACHMENT0,n.TEXTURE_2D,t.targetTexture,0)):(n.bindFramebuffer(n.FRAMEBUFFER,null),n.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){var t=this.mainParameter,e=r.Image.filters[this.type].prototype;if(!t)return!1;if(!Array.isArray(e[t]))return e[t]===this[t];for(var i=e[t].length;i--;)if(this[t][i]!==e[t][i])return!1;return!0},applyTo:function(t){t.webgl?(this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)):this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.aPosition),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.destinationWidth,t.destinationHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),r.Image.filters.BaseFilter.fromObject=function(t,e){var i=new r.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.ColorMatrix=(0,e.util.createClass)(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,n,r,s,o=t.imageData.data,a=o.length,l=this.matrix,c=this.colorsOnly;for(s=0;s<a;s+=4)e=o[s],i=o[s+1],n=o[s+2],c?(o[s]=e*l[0]+i*l[1]+n*l[2]+255*l[4],o[s+1]=e*l[5]+i*l[6]+n*l[7]+255*l[9],o[s+2]=e*l[10]+i*l[11]+n*l[12]+255*l[14]):(r=o[s+3],o[s]=e*l[0]+i*l[1]+n*l[2]+r*l[3]+255*l[4],o[s+1]=e*l[5]+i*l[6]+n*l[7]+r*l[8]+255*l[9],o[s+2]=e*l[10]+i*l[11]+n*l[12]+r*l[13]+255*l[14],o[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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Brightness=(0,e.util.createClass)(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.data,n=i.length,r=Math.round(255*this.brightness);for(e=0;e<n;e+=4)i[e]=i[e]+r,i[e+1]=i[e+1]+r,i[e+2]=i[e+2]+r}},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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters;n.Convolute=(0,e.util.createClass)(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,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,l,c,h,u,f,d,g=t.imageData,p=g.data,m=this.matrix,y=Math.round(Math.sqrt(m.length)),b=Math.floor(y/2),x=g.width,_=g.height,C=t.ctx.createImageData(x,_),S=C.data,w=+!!this.opaque;for(u=0;u<_;u++)for(h=0;h<x;h++){for(d=0,s=(u*x+h)*4,e=0,i=0,n=0,r=0;d<y;d++)for(f=0;f<y;f++)a=u+d-b,o=h+f-b,a<0||a>=_||o<0||o>=x||(l=(a*x+o)*4,c=m[d*y+f],e+=p[l]*c,i+=p[l+1]*c,n+=p[l+2]*c,w||(r+=p[l+3]*c));S[s]=e,S[s+1]=i,S[s+2]=n,w?S[s+3]=p[s+3]:S[s+3]=r}t.imageData=C},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Grayscale=(0,e.util.createClass)(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,n=t.imageData.data,r=n.length,s=this.mode;for(e=0;e<r;e+=4)"average"===s?i=(n[e]+n[e+1]+n[e+2])/3:"lightness"===s?i=(Math.min(n[e],n[e+1],n[e+2])+Math.max(n[e],n[e+1],n[e+2]))/2:"luminosity"===s&&(i=.21*n[e]+.72*n[e+1]+.07*n[e+2]),n[e]=i,n[e+1]=i,n[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){t.uniform1i(e.uMode,1)},isNeutralState:function(){return!1}}),e.Image.filters.Grayscale.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Invert=(0,e.util.createClass)(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.data,n=i.length;for(e=0;e<n;e+=4)i[e]=255-i[e],i[e+1]=255-i[e+1],i[e+2]=255-i[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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters;n.Noise=(0,e.util.createClass)(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.data,r=n.length,s=this.noise;for(e=0,r=n.length;e<r;e+=4)i=(.5-Math.random())*s,n[e]+=i,n[e+1]+=i,n[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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Pixelate=(0,e.util.createClass)(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,l,c,h,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(r=d[e=4*i*p+4*n],s=d[e+1],o=d[e+2],a=d[e+3],h=Math.min(i+this.blocksize,g),u=Math.min(n+this.blocksize,p),l=i;l<h;l++)for(c=n;c<u;c++)d[e=4*l*p+4*c]=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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,n=e.Image.filters;n.RemoveColor=(0,e.util.createClass)(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.data,a=255*this.distance,l=new e.Color(this.color).getSource(),c=[l[0]-a,l[1]-a,l[2]-a],h=[l[0]+a,l[1]+a,l[2]+a];for(i=0;i<o.length;i+=4)n=o[i],r=o[i+1],s=o[i+2],n>c[0]&&r>c[1]&&s>c[2]&&n<h[0]&&r<h[1]&&s<h[2]&&(o[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}(i),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}(i),function(t){"use strict";var e=t.fabric,i=e.Image.filters;i.BlendColor=(0,e.util.createClass)(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,l,c=t.imageData.data,h=c.length,u=1-this.alpha;i=(l=new e.Color(this.color).getSource())[0]*this.alpha,n=l[1]*this.alpha,r=l[2]*this.alpha;for(var f=0;f<h;f+=4)switch(s=c[f],o=c[f+1],a=c[f+2],this.mode){case"multiply":c[f]=s*i/255,c[f+1]=o*n/255,c[f+2]=a*r/255;break;case"screen":c[f]=255-(255-s)*(255-i)/255,c[f+1]=255-(255-o)*(255-n)/255,c[f+2]=255-(255-a)*(255-r)/255;break;case"add":c[f]=s+i,c[f+1]=o+n,c[f+2]=a+r;break;case"diff":case"difference":c[f]=Math.abs(s-i),c[f+1]=Math.abs(o-n),c[f+2]=Math.abs(a-r);break;case"subtract":c[f]=s-i,c[f+1]=o-n,c[f+2]=a-r;break;case"darken":c[f]=Math.min(s,i),c[f+1]=Math.min(o,n),c[f+2]=Math.min(a,r);break;case"lighten":c[f]=Math.max(s,i),c[f+1]=Math.max(o,n),c[f+2]=Math.max(a,r);break;case"overlay":c[f]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,c[f+1]=n<128?2*o*n/255:255-2*(255-o)*(255-n)/255,c[f+2]=r<128?2*a*r/255:255-2*(255-a)*(255-r)/255;break;case"exclusion":c[f]=i+s-2*i*s/255,c[f+1]=n+o-2*n*o/255,c[f+2]=r+a-2*r*a/255;break;case"tint":c[f]=i+s*u,c[f+1]=n+o*u,c[f+2]=r+a*u}},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}(i),function(t){"use strict";var e=t.fabric,i=e.Image.filters;i.BlendImage=(0,e.util.createClass)(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,l,c,h,u,f,d=t.imageData,g=t.filterBackend.resources,p=d.data,m=p.length,y=d.width,b=d.height,x=this.image;g.blendImage||(g.blendImage=e.util.createCanvasElement()),u=(h=g.blendImage).getContext("2d"),h.width!==y||h.height!==b?(h.width=y,h.height=b):u.clearRect(0,0,y,b),u.setTransform(x.scaleX,0,0,x.scaleY,x.left,x.top),u.drawImage(x._element,0,0,y,b),f=u.getImageData(0,0,y,b).data;for(var _=0;_<m;_+=4)switch(o=p[_],a=p[_+1],l=p[_+2],c=p[_+3],i=f[_],n=f[_+1],r=f[_+2],s=f[_+3],this.mode){case"multiply":p[_]=o*i/255,p[_+1]=a*n/255,p[_+2]=l*r/255,p[_+3]=c*s/255;break;case"mask":p[_+3]=s}},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))})}}(i),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,l=Math.ceil,c=e.Image.filters;c.Resize=(0,e.util.createClass)(c.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=Array(i),r=1;r<=i;r++)n[r-1]=t(r*e);return n},generateShader:function(t){for(var e=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+="}"},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<11920929e-14&&e>-11920929e-14)return 1;var i=(e*=Math.PI)/t;return a(e)/e*a(i)/i}},applyTo2d:function(t){var e=t.imageData,i=this.scaleX,n=this.scaleY;this.rcpScaleX=1/i,this.rcpScaleY=1/n;var r,s=e.width,a=e.height,l=o(s*i),c=o(a*n);"sliceHack"===this.resizeType?r=this.sliceByTwo(t,s,a,l,c):"hermite"===this.resizeType?r=this.hermiteFastResize(t,s,a,l,c):"bilinear"===this.resizeType?r=this.bilinearFiltering(t,s,a,l,c):"lanczos"===this.resizeType&&(r=this.lanczosResize(t,s,a,l,c)),t.imageData=r},sliceByTwo:function(t,i,r,s,o){var a,l,c=t.imageData,h=!1,u=!1,f=.5*i,d=.5*r,g=e.filterBackend.resources,p=0,m=0,y=i,b=0;for(g.sliceByTwo||(g.sliceByTwo=document.createElement("canvas")),((a=g.sliceByTwo).width<1.5*i||a.height<r)&&(a.width=1.5*i,a.height=r),(l=a.getContext("2d")).clearRect(0,0,1.5*i,r),l.putImageData(c,0,0),s=n(s),o=n(o);!h||!u;)i=f,r=d,s<n(.5*f)?f=n(.5*f):(f=s,h=!0),o<n(.5*d)?d=n(.5*d):(d=o,u=!0),l.drawImage(a,p,m,i,r,y,b,f,d),p=y,m=b,b+=d;return l.getImageData(p,m,s,o)},lanczosResize:function(t,e,o,a,c){var h=t.imageData.data,u=t.ctx.createImageData(a,c),f=u.data,d=this.lanczosCreate(this.lanczosLobes),g=this.rcpScaleX,p=this.rcpScaleY,m=2/this.rcpScaleX,y=2/this.rcpScaleY,b=l(g*this.lanczosLobes/2),x=l(p*this.lanczosLobes/2),_={},C={},S={};return function t(l){var w,T,O,k,E,j,M,P,A,D,F;for(w=0,C.x=(l+.5)*g,S.x=n(C.x);w<c;w++){for(C.y=(w+.5)*p,S.y=n(C.y),E=0,j=0,M=0,P=0,A=0,T=S.x-b;T<=S.x+b;T++)if(!(T<0)&&!(T>=e)){_[D=n(1e3*s(T-C.x))]||(_[D]={});for(var R=S.y-x;R<=S.y+x;R++)R<0||R>=o||(F=n(1e3*s(R-C.y)),_[D][F]||(_[D][F]=d(r(i(D*m,2)+i(F*y,2))/1e3)),(O=_[D][F])>0&&(k=(R*e+T)*4,E+=O,j+=O*h[k],M+=O*h[k+1],P+=O*h[k+2],A+=O*h[k+3]))}f[k=(w*a+l)*4]=j/E,f[k+1]=M/E,f[k+2]=P/E,f[k+3]=A/E}return++l<a?t(l):u}(0)},bilinearFiltering:function(t,e,i,r,s){var o,a,l,c,h,u,f,d,g,p,m,y=0,b=this.rcpScaleX,x=this.rcpScaleY,_=4*(e-1),C=t.imageData.data,S=t.ctx.createImageData(r,s),w=S.data;for(h=0;h<s;h++)for(u=0;u<r;u++)for(g=0,l=n(b*u),c=n(x*h),f=b*u-l,d=x*h-c,m=4*(c*e+l);g<4;g++)o=C[m+g],a=C[m+4+g],p=o*(1-f)*(1-d)+a*f*(1-d)+C[m+_+g]*d*(1-f)+C[m+_+4+g]*f*d,w[y++]=p;return S},hermiteFastResize:function(t,e,i,o,a){for(var c=this.rcpScaleX,h=this.rcpScaleY,u=l(c/2),f=l(h/2),d=t.imageData.data,g=t.ctx.createImageData(o,a),p=g.data,m=0;m<a;m++)for(var y=0;y<o;y++){for(var b=(y+m*o)*4,x=0,_=0,C=0,S=0,w=0,T=0,O=0,k=(m+.5)*h,E=n(m*h);E<(m+1)*h;E++)for(var j=s(k-(E+.5))/f,M=(y+.5)*c,P=j*j,A=n(y*c);A<(y+1)*c;A++){var D=s(M-(A+.5))/u,F=r(P+D*D);F>1&&F<-1||(x=2*F*F*F-3*F*F+1)>0&&(O+=x*d[(D=4*(A+E*e))+3],C+=x,d[D+3]<255&&(x=x*d[D+3]/250),S+=x*d[D],w+=x*d[D+1],T+=x*d[D+2],_+=x)}p[b]=S/_,p[b+1]=w/_,p[b+2]=T/_,p[b+3]=O/C}return g},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Contrast=(0,e.util.createClass)(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,n=t.imageData.data,i=n.length,r=Math.floor(255*this.contrast),s=259*(r+255)/(255*(259-r));for(e=0;e<i;e+=4)n[e]=s*(n[e]-128)+128,n[e+1]=s*(n[e+1]-128)+128,n[e+2]=s*(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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Saturation=(0,e.util.createClass)(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.data,r=n.length,s=-this.saturation;for(e=0;e<r;e+=4)i=Math.max(n[e],n[e+1],n[e+2]),n[e]+=i!==n[e]?(i-n[e])*s:0,n[e+1]+=i!==n[e+1]?(i-n[e+1])*s:0,n[e+2]+=i!==n[e+2]?(i-n[e+2])*s: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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Vibrance=(0,e.util.createClass)(i.BaseFilter,{type:"Vibrance",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uVibrance;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat max = max(color.r, max(color.g, color.b));\nfloat avg = (color.r + color.g + color.b) / 3.0;\nfloat amt = (abs(max - avg) * 2.0) * uVibrance;\ncolor.r += max != color.r ? (max - color.r) * amt : 0.00;\ncolor.g += max != color.g ? (max - color.g) * amt : 0.00;\ncolor.b += max != color.b ? (max - color.b) * amt : 0.00;\ngl_FragColor = color;\n}",vibrance:0,mainParameter:"vibrance",applyTo2d:function(t){if(0!==this.vibrance){var e,i,n,r=t.imageData.data,s=r.length,o=-this.vibrance;for(e=0;e<s;e+=4)n=2*Math.abs((i=Math.max(r[e],r[e+1],r[e+2]))-(r[e]+r[e+1]+r[e+2])/3)/255*o,r[e]+=i!==r[e]?(i-r[e])*n:0,r[e+1]+=i!==r[e+1]?(i-r[e+1])*n:0,r[e+2]+=i!==r[e+2]?(i-r[e+2])*n:0}},getUniformLocations:function(t,e){return{uVibrance:t.getUniformLocation(e,"uVibrance")}},sendUniformData:function(t,e){t.uniform1f(e.uVibrance,-this.vibrance)}}),e.Image.filters.Vibrance.fromObject=e.Image.filters.BaseFilter.fromObject}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Blur=(0,e.util.createClass)(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,l,c,h,u=i.getContext("2d"),f=n.getContext("2d"),d=.06*this.blur*.5;for(u.putImageData(t.imageData,0,0),f.clearRect(0,0,s,o),h=-15;h<=15;h++)a=(Math.random()-.5)/4,c=d*(l=h/15)*s+a,f.globalAlpha=1-Math.abs(l),f.drawImage(i,c,a),u.drawImage(n,0,0),f.globalAlpha=1,f.clearRect(0,0,n.width,n.height);for(h=-15;h<=15;h++)a=(Math.random()-.5)/4,c=d*(l=h/15)*o+a,f.globalAlpha=1-Math.abs(l),f.drawImage(i,a,c),u.drawImage(n,0,0),f.globalAlpha=1,f.clearRect(0,0,n.width,n.height);t.ctx.drawImage(i,0,0);var g=t.ctx.getImageData(0,0,i.width,i.height);return u.globalAlpha=1,u.clearRect(0,0,i.width,i.height),g},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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Gamma=(0,e.util.createClass)(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",initialize:function(t){this.gamma=[1,1,1],i.BaseFilter.prototype.initialize.call(this,t)},applyTo2d:function(t){var e,i=t.imageData.data,n=this.gamma,r=i.length,s=1/n[0],o=1/n[1],a=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,r=256;e<r;e++)this.rVals[e]=255*Math.pow(e/255,s),this.gVals[e]=255*Math.pow(e/255,o),this.bVals[e]=255*Math.pow(e/255,a);for(e=0,r=i.length;e<r;e+=4)i[e]=this.rVals[i[e]],i[e+1]=this.gVals[i[e+1]],i[e+2]=this.bVals[i[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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.Composed=(0,e.util.createClass)(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||[]).map(function(t){return new e.Image.filters[t.type](t)}),r=new e.Image.filters.Composed({subFilters:n});return i&&i(r),r}}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters;i.HueRotation=(0,e.util.createClass)(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(1/3)*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}(i),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone;if(e.Text)return e.warn("fabric.Text is already defined");var n="fontFamily fontWeight fontSize text underline overline linethrough textAlign fontStyle lineHeight textBackgroundColor charSpacing styles direction path pathStartOffset pathSide pathAlign".split(" ");e.Text=e.util.createClass(e.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign","styles","path","pathStartOffset","pathSide","pathAlign"],_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,path:null,pathStartOffset:0,pathSide:"left",pathAlign:"baseline",_fontSizeFraction:.222,offsets:{underline:.1,linethrough:-.315,overline:-.88},_fontSizeMult:1.13,charSpacing:0,styles:null,_measuringContext:null,deltaY:0,direction:"ltr",_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(){if(!this.__skipDimension){if(this._splitText(),this._clearCache(),this.path){var t=1.1*this.getHeightOfLine(0);this.width=this.path.width+t,this.height=this.path.height+t}else 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,l=this._textLines.length;a<l;a++)if(!("justify"!==this.textAlign&&(a===l-1||this.isEndOfWrapping(a)))&&(n=0,r=this._textLines[a],(e=this.getLineWidth(a))<this.width&&(o=this.textLines[a].match(this._reSpacesAndTabs)))){i=o.length,t=(this.width-e)/i;for(var c=0,h=r.length;c<=h;c++)s=this.__charBounds[a][c],this._reSpaceAndTab.test(r[c])?(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){var e=this.path;e&&!e.isNotVisible()&&e._render(t),this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){if(t.textBaseline="alphabetic",this.path)switch(this.pathAlign){case"center":t.textBaseline="middle";break;case"ascender":t.textBaseline="top";break;case"descender":t.textBaseline="bottom"}t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;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,l=t.fillStyle,c=this._getLeftOffset(),h=this._getTopOffset(),u=0,f=0,d=this.path,g=0,p=this._textLines.length;g<p;g++){if(e=this.getHeightOfLine(g),!this.textBackgroundColor&&!this.styleHas("textBackgroundColor",g)){h+=e;continue}n=this._textLines[g],i=this._getLineLeftOffset(g),f=0,u=0,r=this.getValueOfPropertyAt(g,0,"textBackgroundColor");for(var m=0,y=n.length;m<y;m++)s=this.__charBounds[g][m],o=this.getValueOfPropertyAt(g,m,"textBackgroundColor"),d?(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?(a=c+i+u,"rtl"===this.direction&&(a=this.width-a-f),t.fillStyle=r,r&&t.fillRect(a,h,f,e/this.lineHeight),u=s.left,f=s.width,r=o):f+=s.kernedWidth;o&&!d&&(a=c+i+u,"rtl"===this.direction&&(a=this.width-a-f),t.fillStyle=o,t.fillRect(a,h,f,e/this.lineHeight)),h+=e}t.fillStyle=l,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,l=this.getFontCache(e),c=this._getFontDeclaration(e),h=this._getFontDeclaration(n),u=i+t,f=c===h,d=e.fontSize/this.CACHE_FONT_SIZE;if(i&&void 0!==l[i]&&(o=l[i]),void 0!==l[t]&&(a=r=l[t]),f&&void 0!==l[u]&&(a=(s=l[u])-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,l[t]=r),void 0===o&&f&&i&&(o=g.measureText(i).width,l[i]=o),f&&void 0===s&&(s=g.measureText(u).width,l[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,l=0,c=this._textLines[t],h=Array(c.length),u=0,f=this.path,d="right"===this.pathSide;for(i=0,this.__charBounds[t]=h;i<c.length;i++)n=c[i],s=this._getGraphemeBox(n,t,i,r),h[i]=s,l+=s.kernedWidth,r=n;if(h[i]={left:s?s.left+s.width:0,width:0,kernedWidth:0,height:this.fontSize},f){switch(a=f.segmentsInfo[f.segmentsInfo.length-1].length,o=e.util.getPointOnPath(f.path,0,f.segmentsInfo),o.x+=f.pathOffset.x,o.y+=f.pathOffset.y,this.textAlign){case"left":u=d?a-l:0;break;case"center":u=(a-l)/2;break;case"right":u=d?0:a-l}for(u+=this.pathStartOffset*(d?-1:1),i=d?c.length-1:0;d?i>=0:i<c.length;d?i--:i++)s=h[i],u>a?u%=a:u<0&&(u+=a),this._setGraphemeOnPath(u,s,o),u+=s.kernedWidth}return{width:l,numOfSpaces:0}},_setGraphemeOnPath:function(t,i,n){var r=t+i.kernedWidth/2,s=this.path,o=e.util.getPointOnPath(s.path,r,s.segmentsInfo);i.renderLeft=o.x-n.x,i.renderTop=o.y-n.y,i.angle=o.angle+("right"===this.pathSide?Math.PI:0)},_getGraphemeBox:function(t,e,i,n,r){var s,o=this.getCompleteStyleDeclaration(e,i),a=n?this.getCompleteStyleDeclaration(e,i-1):{},l=this._measureChar(t,o,n,a),c=l.kernedWidth,h=l.width;0!==this.charSpacing&&(h+=s=this._getWidthOfCharSpacing(),c+=s);var u={width:h,left:0,height:o.fontSize,kernedWidth:c,deltaY:o.deltaY};if(i>0&&!r){var f=this.__charBounds[e][i-1];u.left=f.left+f.width+l.kernedWidth-l.width}return u},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),n=1,r=e.length;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"ltr"===this.direction?-this.width/2: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),l=a/this.lineHeight,c=this._getLineLeftOffset(s);this._renderTextLine(e,t,this._textLines[s],n+c,r+i+l,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,i,n,r,s,o){var a,l,c,h,u,f=this.getHeightOfLine(o),d=-1!==this.textAlign.indexOf("justify"),g="",p=0,m=this.path,y=!d&&0===this.charSpacing&&this.isEmptyStyles(o)&&!m,b="ltr"===this.direction,x="ltr"===this.direction?1:-1,_=i.canvas.getAttribute("dir");if(i.save(),_!==this.direction&&(i.canvas.setAttribute("dir",b?"ltr":"rtl"),i.direction=b?"ltr":"rtl",i.textAlign=b?"left":"right"),s-=f*this._fontSizeFraction/this.lineHeight,y){this._renderChar(t,i,o,0,n.join(""),r,s,f),i.restore();return}for(var C=0,S=n.length-1;C<=S;C++)h=C===S||this.charSpacing||m,g+=n[C],c=this.__charBounds[o][C],0===p?(r+=x*(c.kernedWidth-c.width),p+=c.width):p+=c.kernedWidth,d&&!h&&this._reSpaceAndTab.test(n[C])&&(h=!0),h||(a=a||this.getCompleteStyleDeclaration(o,C),l=this.getCompleteStyleDeclaration(o,C+1),h=e.util.hasStyleChanged(a,l,!1)),h&&(m?(i.save(),i.translate(c.renderLeft,c.renderTop),i.rotate(c.angle),this._renderChar(t,i,o,C,g,-p/2,0,f),i.restore()):(u=r,this._renderChar(t,i,o,C,g,u,s,f)),g="",a=l,r+=x*p,p=0);i.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")).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;if(i.toLive)if("percentage"===i.gradientUnits||i.gradientTransform||i.patternTransform)return n=-this.width/2,r=-this.height/2,t.translate(n,r),t[e]=this._applyPatternGradientTransformText(i),{offsetX:n,offsetY:r};else return t[e]=i.toLive(t,this),this._applyPatternGradientTransform(t,i);return 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,l,c=this._getStyleDeclaration(i,n),h=this.getCompleteStyleDeclaration(i,n),u="fillText"===t&&h.fill,f="strokeText"===t&&h.stroke&&h.strokeWidth;(f||u)&&(e.save(),u&&(a=this._setFillStyles(e,h)),f&&(l=this._setStrokeStyles(e,h)),e.font=this._getFontDeclaration(h),c&&c.textBackgroundColor&&this._removeShadow(e),c&&c.deltaY&&(o+=c.deltaY),u&&e.fillText(r,s-a.offsetX,o-a.offsetY),f&&e.strokeText(r,s-l.offsetX,o-l.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},_getLineLeftOffset:function(t){var e,i=this.getLineWidth(t),n=this.width-i,r=this.textAlign,s=this.direction,o=0,e=this.isEndOfWrapping(t);return"justify"!==r&&("justify-center"!==r||e)&&("justify-right"!==r||e)&&("justify-left"!==r||e)?("center"===r&&(o=n/2),"right"===r&&(o=n),"justify-center"===r&&(o=n/2),"justify-right"===r&&(o=n),"rtl"===s&&(o-=n),o):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(void 0!==this.__lineWidths[t])return this.__lineWidths[t];var e=this.measureLine(t).width;return 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&&void 0!==n[i]?n[i]:this[i]},_renderTextDecoration:function(t,e){if(this[e]||this.styleHas(e)){t.save(),("overline"===e||"linethrough"===e)&&this._removeShadow(t);for(var i,n,r,s,o,a,l,c,h,u,f,d,g,p,m,y,b=this._getLeftOffset(),x=this._getTopOffset(),_=this.path,C=this._getWidthOfCharSpacing(),S=this.offsets[e],w=0,T=this._textLines.length;w<T;w++){if(i=this.getHeightOfLine(w),!this[e]&&!this.styleHas(e,w)){x+=i;continue}l=this._textLines[w],p=i/this.lineHeight,s=this._getLineLeftOffset(w),u=0,f=0,c=this.getValueOfPropertyAt(w,0,e),y=this.getValueOfPropertyAt(w,0,"fill"),h=x+p*(1-this._fontSizeFraction),n=this.getHeightOfChar(w,0),o=this.getValueOfPropertyAt(w,0,"deltaY");for(var O=0,k=l.length;O<k;O++)if(d=this.__charBounds[w][O],g=this.getValueOfPropertyAt(w,O,e),m=this.getValueOfPropertyAt(w,O,"fill"),r=this.getHeightOfChar(w,O),a=this.getValueOfPropertyAt(w,O,"deltaY"),_&&g&&m)t.save(),t.fillStyle=y,t.translate(d.renderLeft,d.renderTop),t.rotate(d.angle),t.fillRect(-d.kernedWidth/2,S*r+a,d.kernedWidth,this.fontSize/15),t.restore();else if((g!==c||m!==y||r!==n||a!==o)&&f>0){var E=b+s+u;"rtl"===this.direction&&(E=this.width-E-f),c&&y&&(t.fillStyle=y,t.fillRect(E,h+S*n+o,f,this.fontSize/15)),u=d.left,f=d.width,c=g,y=m,n=r,o=a}else f+=d.kernedWidth;var E=b+s+u;"rtl"===this.direction&&(E=this.width-E-f),t.fillStyle=m,g&&m&&t.fillRect(E,h+S*n+o,f-C,this.fontSize/15),x+=i}t.restore()}},_getFontDeclaration:function(t,i){var n=t||this,r=this.fontFamily,s=e.Text.genericFonts.indexOf(r.toLowerCase())>-1,o=void 0===r||r.indexOf("'")>-1||r.indexOf(",")>-1||r.indexOf('"')>-1||s?n.fontFamily:'"'+n.fontFamily+'"';return[e.isLikelyNode?n.fontWeight:n.fontStyle,e.isLikelyNode?n.fontStyle:n.fontWeight,i?this.CACHE_FONT_SIZE+"px":n.fontSize+"px",o].join(" ")},render:function(t){this.visible&&(!this.canvas||!this.canvas.skipOffscreen||this.group||this.isOnScreen())&&(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),n=Array(i.length),r=["\n"],s=[],o=0;o<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 i=n.concat(t),r=this.callSuper("toObject",i);return r.styles=e.util.stylesToArray(this.styles,this.text),r.path&&(r.path=this.path.toObject()),r},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)).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 l="";"textContent"in t?l=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(l=t.firstChild.data),l=l.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var c=r.strokeWidth;r.strokeWidth=0;var h=new e.Text(l,r),u=h.getScaledHeight()/h.height,f=(h.height+h.strokeWidth)*h.lineHeight-h.height,d=h.getScaledHeight()+f*u,g=0;"center"===o&&(g=h.getScaledWidth()/2),"right"===o&&(g=h.getScaledWidth()),h.set({left:h.left-g,top:h.top-(d-h.fontSize*(.07+h._fontSizeFraction))/h.lineHeight,strokeWidth:void 0!==c?c:1}),n(h)},e.Text.fromObject=function(t,n){var r=i(t),s=t.path;return delete r.path,e.Object._fromObject("Text",r,function(i){i.styles=e.util.stylesFromArray(t.styles,t.text),s?e.Object._fromObject("Path",s,function(t){i.set("path",t),n(i)},"path"):n(i)},"text")},e.Text.genericFonts=["sans-serif","serif","cursive","fantasy","monospace"],e.util.createAccessors&&e.util.createAccessors(e.Text)}(i),r.util.object.extend(r.Text.prototype,{isEmptyStyles:function(t){if(!this.styles||void 0!==t&&!this.styles[t])return!0;var e=void 0===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||void 0!==e&&!this.styles[e])return!1;var i=void 0===e?this.styles:{0:this.styles[e]};for(var n in i)for(var r in i[n])if(void 0!==i[n][r][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,n,r=this.styles,s=0,o=!0,a=0;for(var l in r){for(var c in e=0,r[l]){var n=r[l][c],h=n.hasOwnProperty(t);s++,h?(i?n[t]!==i&&(o=!1):i=n[t],n[t]===this[t]&&delete n[t]):o=!1,0!==Object.keys(n).length?e++:delete r[l][c]}0===e&&delete r[l]}for(var u=0;u<this._textLines.length;u++)a+=this._textLines[u].length;o&&s===a&&(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])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,{}),r.util.object.extend(this._getStyleDeclaration(i.lineIndex,i.charIndex),e)},get2DCursorLocation:function(t,e){void 0===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,e)}return{lineIndex:r-1,charIndex:i[r-1].length<t?i[r-1].length:t}},getSelectionStyles:function(t,e,i){void 0===t&&(t=this.selectionStart||0),void 0===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);return(e?this.getCompleteStyleDeclaration(i.lineIndex,i.charIndex):this._getStyleDeclaration(i.lineIndex,i.charIndex))||{}},setSelectionStyles:function(t,e,i){void 0===e&&(e=this.selectionStart||0),void 0===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++)r[i=this._styleProperties[s]]=void 0===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)}r.IText=r.util.createClass(r.Text,r.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"",cursorDelay:1e3,cursorDuration:600,caching:!0,hiddenTextareaContainer:null,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t)},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop,i=this.canvas.viewportTransform;e.save(),e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),this.transform(e),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var t=this._getCursorBoundaries(),e=this.canvas.contextTop;this.clearContextTop(!0),this.selectionStart===this.selectionEnd?this.renderCursor(t,e):this.renderSelection(t,e),e.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){void 0===t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),n=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:n.left,topOffset:n.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;var e,i,n,r,s=0,o=0,a=this.get2DCursorLocation(t);n=a.charIndex,i=a.lineIndex;for(var l=0;l<i;l++)s+=this.getHeightOfLine(l);e=this._getLineLeftOffset(i);var c=this.__charBounds[i][n];return c&&(o=c.left),0!==this.charSpacing&&n===this._textLines[i].length&&(o-=this._getWidthOfCharSpacing()),r={top:s,left:e+(o>0?o:0)},"rtl"===this.direction&&(r.left*=-1),this.cursorOffsetCache=r,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),n=i.lineIndex,r=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(n,r,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,l=t.topOffset,c=this.getValueOfPropertyAt(n,r,"deltaY");l+=(1-this._fontSizeFraction)*this.getHeightOfLine(n)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.cursorColor||this.getValueOfPropertyAt(n,r,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,l+t.top+c,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,n=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,r=-1!==this.textAlign.indexOf("justify"),s=this.get2DCursorLocation(i),o=this.get2DCursorLocation(n),a=s.lineIndex,l=o.lineIndex,c=s.charIndex<0?0:s.charIndex,h=o.charIndex<0?0:o.charIndex,u=a;u<=l;u++){var f=this._getLineLeftOffset(u)||0,d=this.getHeightOfLine(u),g=0,p=0,m=0;if(u===a&&(p=this.__charBounds[a][c].left),u>=a&&u<l)m=r&&!this.isEndOfWrapping(u)?this.width:this.getLineWidth(u)||5;else if(u===l)if(0===h)m=this.__charBounds[l][h].left;else{var y=this._getWidthOfCharSpacing();m=this.__charBounds[l][h-1].left+this.__charBounds[l][h-1].width-y}g=d,(this.lineHeight<1||u===l&&this.lineHeight>1)&&(d/=this.lineHeight);var b=t.left+f+p,x=m-p,_=d,C=0;this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",_=1,C=d):e.fillStyle=this.selectionColor,"rtl"===this.direction&&(b=this.width-b-x),e.fillRect(b,t.top+t.topOffset+C,x,_),t.topOffset+=g}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),r.IText.fromObject=function(e,i){var n=r.util.stylesFromArray(e.styles,e.text),s=Object.assign({},e,{styles:n});if(delete s.path,t(s),s.styles)for(var o in s.styles)for(var a in s.styles[o])t(s.styles[o][a]);r.Object._fromObject("IText",s,function(t){e.path?r.Object._fromObject("Path",e.path,function(e){t.set("path",e),i(t)},"path"):i(t)},"text")}}(),function(){var t=r.util.object.clone;r.util.object.extend(r.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],r.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})},t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,n){var r;return r={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){r.isAborted||t[n]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return r.isAborted}}),r},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState,e=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&e&&e.clearContext(e.contextTop||e.contextContainer)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},findLineBoundaryLeft:function(t){for(var e=0,i=t-1;!/\n/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i<this._text.length;)e++,i++;return t+e},searchWordBoundary:function(t,e){for(var i=this._text,n=this._reSpace.test(i[t])?t-1:t,s=i[n],o=r.reNonWord;!o.test(s)&&n>0&&n<i.length;)n+=e,s=i[n];return o.test(s)&&(n+=+(1!==e)),n},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},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){document.activeElement!==this.hiddenTextarea&&this.hiddenTextarea.focus();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 n=i.slice(0,t),s=r.util.string.graphemeSplit(n).length;if(t===e)return{selectionStart:s,selectionEnd:s};var o=i.slice(t,e);return{selectionStart:s,selectionEnd:s+r.util.string.graphemeSplit(o).length}},fromGraphemeToStringSelection:function(t,e,i){var n=i.slice(0,t).join("").length;return t===e?{selectionStart:n,selectionEnd:n}:{selectionStart:n,selectionEnd:n+i.slice(t,e).join("").length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),n=i.lineIndex,s=i.charIndex,o=this.getValueOfPropertyAt(n,s,"fontSize")*this.lineHeight,a=e.leftOffset,l=this.calcTransformMatrix(),c={x:e.left+a,y:e.top+e.topOffset+o},h=this.canvas.getRetinaScaling(),u=this.canvas.upperCanvasEl,f=u.width/h,d=u.height/h,g=f-o,p=d-o,m=u.clientWidth/f,y=u.clientHeight/d;return c=r.util.transformPoint(c,l),c=r.util.transformPoint(c,this.canvas.viewportTransform),c.x*=m,c.y*=y,c.x<0&&(c.x=0),c.x>g&&(c.x=g),c.y<0&&(c.y=0),c.y>p&&(c.y=p),c.x+=this.canvas._offset.left,c.y+=this.canvas._offset.top,{left:c.x+"px",top:c.y+"px",fontSize:o+"px",charHeight:o}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text,e=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,e&&(e.blur&&e.blur(),e.parentNode&&e.parentNode.removeChild(e)),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,n,r=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=r.lineIndex,a=r.charIndex,l=s.lineIndex,c=s.charIndex;if(o!==l){if(this.styles[o])for(i=a;i<this._unwrappedTextLines[o].length;i++)delete this.styles[o][i];if(this.styles[l])for(i=c;i<this._unwrappedTextLines[l].length;i++)(n=this.styles[l][i])&&(this.styles[o]||(this.styles[o]={}),this.styles[o][a+i-c]=n);for(i=o+1;i<=l;i++)delete this.styles[i];this.shiftLineStyles(l,o-l)}else if(this.styles[o]){n=this.styles[o];var h,u,f=c-a;for(i=a;i<c;i++)delete n[i];for(u in this.styles[o])(h=parseInt(u,10))>=c&&(n[h-f]=n[u],delete n[u])}},shiftLineStyles:function(e,i){var n=t(this.styles);for(var r in this.styles){var s=parseInt(r,10);s>e&&(this.styles[s+i]=n[s],n[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){(!this._currentTickState||this._currentTickState.isAborted||!this._currentTickCompleteState||this._currentTickCompleteState.isAborted)&&this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,n,r){var s,o={},a=!1,l=this._unwrappedTextLines[e].length,c=l===i;for(var h in n||(n=1),this.shiftLineStyles(e,n),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]),this.styles[e]){var u=parseInt(h,10);u>=i&&(a=!0,o[u-i]=this.styles[e][h],c&&0===i||delete this.styles[e][h])}var f=!1;for(a&&!c&&(this.styles[e+n]=o,f=!0),(f||l>i)&&n--;n>0;)r&&r[n-1]?this.styles[e+n]={0:t(r[n-1])}:s?this.styles[e+n]={0:t(s)}:delete this.styles[e+n],n--;this._forceClearCache=!0},insertCharStyleObject:function(e,i,n,r){this.styles||(this.styles={});var s=this.styles[e],o=s?t(s):{};for(var a in n||(n=1),o){var l=parseInt(a,10);l>=i&&(s[l+n]=o[l],o[l-n]||delete s[l])}if(this._forceClearCache=!0,r){for(;n--;)Object.keys(r[n]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+n]=t(r[n]));return}if(s)for(var c=s[i?i-1:1];c&&n--;)this.styles[e][i+n]=t(c)},insertNewStyleBlock:function(t,e,i){for(var n=this.get2DCursorLocation(e,!0),r=[0],s=0,o=0;o<t.length;o++)"\n"===t[o]?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(var o=1;o<s;o++)r[o]>0?this.insertCharStyleObject(n.lineIndex+o,0,r[o],i):i&&this.styles[n.lineIndex+o]&&i[0]&&(this.styles[n.lineIndex+o][0]=i[0]),i=i&&i.slice(r[o]+1);r[o]>0&&this.insertCharStyleObject(n.lineIndex+o,0,r[o],i)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&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)}})}(),r.util.object.extend(r.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){if(this.canvas){this.__newClickTime=+new Date;var e=t.pointer;this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(t){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(t.e))},tripleClickHandler:function(t){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(t.e))},initClicks:function(){this.on("mousedblclick",this.doubleClickHandler),this.on("tripleclick",this.tripleClickHandler)},_mouseDownHandler:function(t){this.canvas&&this.editable&&(!t.e.button||1===t.e.button)&&(this.__isMousedown=!0,this.selected&&(this.inCompositionMode=!1,this.setCursorByClick(t.e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){this.canvas&&this.editable&&(!t.e.button||1===t.e.button)&&(this.selected=this===this.canvas._activeObject)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler),this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){if(this.__isMousedown=!1,this.editable&&!this.group&&(!t.transform||!t.transform.actionPerformed)&&(!t.e.button||1===t.e.button)){if(this.canvas){var e=this.canvas._activeObject;if(e&&e!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,n=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,n,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i=this.getLocalPointer(t),n=0,r=0,s=0,o=0,a=0,l=0,c=this._textLines.length;l<c;l++)if(s<=i.y)s+=this.getHeightOfLine(l)*this.scaleY,a=l,l>0&&(o+=this._textLines[l-1].length+this.missingNewlineOffset(l-1));else break;r=this._getLineLeftOffset(a)*this.scaleX,e=this._textLines[a],"rtl"===this.direction&&(i.x=this.width*this.scaleX-i.x+r);for(var h=0,u=e.length;h<u;h++)if(n=r,(r+=this.__charBounds[a][h].kernedWidth*this.scaleX)<=i.x)o++;else break;return this._getNewSelectionStartFromOffset(i,n,r,o,u)},_getNewSelectionStartFromOffset:function(t,e,i,n,r){var s=t.x-e,o=i-t.x,a=n+(o>s||o<0?0:1);return this.flipX&&(a=r-a),a>this._text.length&&(a=this._text.length),a}}),r.util.object.extend(r.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=r.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; padding-top: "+t.fontSize+";",this.hiddenTextareaContainer?this.hiddenTextareaContainer.appendChild(this.hiddenTextarea):r.document.body.appendChild(this.hiddenTextarea),r.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),r.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),r.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),r.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),r.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),r.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),r.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(r.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},keysMapRtl:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorLeft",36:"moveCursorRight",37:"moveCursorRight",38:"moveCursorUp",39:"moveCursorLeft",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){var e="rtl"===this.direction?this.keysMapRtl:this.keysMap;if(t.keyCode in e)this[e[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown)||!t.ctrlKey&&!t.metaKey)return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){if(!this.isEditing||this._copyDone||this.inCompositionMode){this._copyDone=!1;return}t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,n,s,o,a,l=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,c=this._text.length,h=l.length,u=h-c,f=this.selectionStart,d=this.selectionEnd,g=f!==d;if(""===this.hiddenTextarea.value){this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll());return}var p=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),m=f>p.selectionStart;g?(i=this._text.slice(f,d),u+=d-f):h<c&&(i=m?this._text.slice(d+u,d):this._text.slice(f,f-u)),n=l.slice(p.selectionEnd-u,p.selectionEnd),i&&i.length&&(n.length&&(s=this.getSelectionStyles(f,f+1,!1),s=n.map(function(){return s[0]})),g?(o=f,a=d):m?(o=d-i.length,a=d):(o=d,a=d+i.length),this.removeStyleFromTo(o,a)),n.length&&(e&&n.join("")===r.copiedText&&!r.disableStyleCopyPaste&&(s=r.copiedTextStyle),this.insertNewStyleBlock(n,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&&(r.copiedText=this.getSelectedText(),r.disableStyleCopyPaste?r.copiedTextStyle=null:r.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||r.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,n=this._getLineLeftOffset(t);return e>0&&(n+=(i=this.__charBounds[t][e-1]).left+i.width),n},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(r===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r+1,o);return this._textLines[r].slice(s).length+a+1+this.missingNewlineOffset(r)},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),n=this.get2DCursorLocation(i),r=n.lineIndex;if(0===r||t.metaKey||33===t.keyCode)return-i;var s=n.charIndex,o=this._getWidthBeforeCursor(r,s),a=this._getIndexOnLine(r-1,o),l=this._textLines[r].slice(0,s),c=this.missingNewlineOffset(r-1);return-this._textLines[r-1].length+a-l.length+(1-c)},_getIndexOnLine:function(t,e){for(var i,n,r=this._textLines[t],s=this._getLineLeftOffset(t),o=0,a=0,l=r.length;a<l;a++)if((s+=i=this.__charBounds[t][a].width)>e){n=!0;var c=Math.abs(s-i-e);o=Math.abs(s-e)<c?a:a-1;break}return n||(o=r.length-1),o},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=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){(0!==this.selectionStart||0!==this.selectionEnd)&&this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var n;if(t.altKey)n=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;n=this["findLineBoundary"+i](this[e])}if(void 0!==n&&this[e]!==n)return this[e]=n,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?i+="Shift":i+="outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){void 0===e&&(e=t+1),this.removeStyleFromTo(t,e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,n){void 0===n&&(n=i),n>i&&this.removeStyleFromTo(i,n);var s=r.util.string.graphemeSplit(t);this.insertNewStyleBlock(s,i,e),this._text=[].concat(this._text.slice(0,i),s,this._text.slice(n)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),function(){var t=r.util.toFixed,e=r.util.radiansToDegrees,i=r.util.calcRotateMatrix,n=r.util.transformPoint,s=/  +/g;r.util.object.extend(r.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),e=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(e)},toSVG:function(t){var e=this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0}),i=this.path;return i?e+i._createBaseSVGMarkup(i._toSVG(),{reviver:t,withShadow:!0}):e},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t){var e=this.getSvgTextDecoration(this);return[t.textBgRects.join(""),'		<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+'" ':"",e?'text-decoration="'+e+'" ':"",'style="',this.getSvgStyles(!0),'"',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(o,a,l,c,h){var u=o!==o.trim()||o.match(s),f=this.getSvgSpanStyles(a,u),d=a.deltaY,g="",p=r.Object.NUM_FRACTION_DIGITS,m="";if(d&&(g=' dy="'+t(d,p)+'" '),void 0!==h.renderLeft){var y=h.angle;m=' rotate="'+t(e(y),r.Object.NUM_FRACTION_DIGITS)+'" ';var b=h.width/2,x=i({angle:e(y)});x[4]=h.renderLeft,x[5]=h.renderTop;var _=n({x:-b,y:0},x);l=_.x,c=_.y}return'<tspan x="'+t(l,p)+'" y="'+t(c,p)+'" '+g+(f?'style="'+f+'"':"")+m+">"+r.util.string.escapeXml(o)+"</tspan>"},_setSVGTextLineText:function(t,e,i,n){var s,o,a,l,c,h=this.getHeightOfLine(e),u=-1!==this.textAlign.indexOf("justify"),f="",d=0,g=this._textLines[e];n+=h*(1-this._fontSizeFraction)/this.lineHeight;for(var p=0,m=g.length-1;p<=m;p++)c=p===m||this.charSpacing||this.path,f+=g[p],a=this.__charBounds[e][p],0===d?(i+=a.kernedWidth-a.width,d+=a.width):d+=a.kernedWidth,u&&!c&&this._reSpaceAndTab.test(g[p])&&(c=!0),c||(s=s||this.getCompleteStyleDeclaration(e,p),o=this.getCompleteStyleDeclaration(e,p+1),c=r.util.hasStyleChanged(s,o,!0)),c&&(l=this._getStyleDeclaration(e,p)||{},t.push(this._createTextCharSpan(f,l,i,n,a)),f="",s=o,i+=d,d=0)},_pushTextBgRect:function(e,i,n,s,o,a){var l=r.Object.NUM_FRACTION_DIGITS;e.push("		<rect ",this._getFillAttributes(i),' x="',t(n,l),'" y="',t(s,l),'" width="',t(o,l),'" height="',t(a,l),'"></rect>\n')},_setSVGTextLineBg:function(t,e,i,n){for(var r,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,l=0,c=0,h=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;u<f;u++)r=this.__charBounds[e][u],(s=this.getValueOfPropertyAt(e,u,"textBackgroundColor"))!==h?(h&&this._pushTextBgRect(t,h,i+c,n,l,a),c=r.left,l=r.width,h=s):l+=r.kernedWidth;s&&this._pushTextBgRect(t,s,i+c,n,l,a)},_getFillAttributes:function(t){var e=t&&"string"==typeof t?new r.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){return r.Object.prototype.getSvgStyles.call(this,t)+" 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=!1,s=this._styleMap[t],o=this._styleMap[t+1];for(var a in s&&(t=s.line,n=s.offset),o&&(r=o.line===t,e=o.offset),i=void 0===t?this.styles:{line:this.styles[t]})for(var l in i[a])if(l>=n&&(!r||l<e))for(var c in i[a][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(i=0,this.isWrapping=!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;i=i||0;for(var s=0,o=t.length;s<o;s++)r+=this._getGraphemeBox(t[s],e,s+i,n,!0).kernedWidth,n=t[s];return r},_wrapLine:function(t,i,n,r){var s=0,o=this.splitByGrapheme,a=[],l=[],c=o?e.util.string.graphemeSplit(t):t.split(this._wordJoiners),h="",u=0,f=o?"":" ",d=0,g=0,p=0,m=!0,y=this._getWidthOfCharSpacing(),r=r||0;0===c.length&&c.push([]),n-=r;for(var b=0;b<c.length;b++)h=o?c[b]:e.util.string.graphemeSplit(c[b]),d=this._measureWord(h,i,u),u+=h.length,(s+=g+d-y)>n&&!m?(a.push(l),l=[],s=d,m=!0):s+=y,m||o||l.push(f),l=l.concat(h),g=o?0:this._measureWord([f],i,u),u++,m=!1,d>p&&(p=d);return b&&a.push(l),p+r>this.dynamicMinWidth&&(this.dynamicMinWidth=p-y+r),a},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t,e){return this.splitByGrapheme&&!e?+!!this.isEndOfWrapping(t):1},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),n=this._wrapText(i.lines,this.width),r=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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