Agent Zero
455 lines
590 KiB
JavaScript
455 lines
590 KiB
JavaScript
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|
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|
Please change the parent <Route path="${e}"> to <Route path="${e===`/`?`*`:`${e}/*`}">.`)}let u=it(),d;if(t){let e=typeof t==`string`?N(t):t;D(c===`/`||e.pathname?.startsWith(c),`When overriding the location using \`<Routes location>\` or \`useRoutes(routes, location)\`, the location pathname must begin with the portion of the URL pathname that was matched by all parent routes. 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r=t.util.invertTransform(n),i=t.util.multiplyTransformMatrices(r,e.calcOwnMatrix());t.util.applyTransformToObject(e,i)},addTransformToObject:function(e,n){t.util.applyTransformToObject(e,t.util.multiplyTransformMatrices(n,e.calcOwnMatrix()))},applyTransformToObject:function(e,n){var r=t.util.qrDecompose(n),i=new t.Point(r.translateX,r.translateY);e.flipX=!1,e.flipY=!1,e.set(`scaleX`,r.scaleX),e.set(`scaleY`,r.scaleY),e.skewX=r.skewX,e.skewY=r.skewY,e.angle=r.angle,e.setPositionByOrigin(i,`center`,`center`)},sizeAfterTransform:function(e,n,r){var i=e/2,a=n/2,o=[{x:-i,y:-a},{x:i,y:-a},{x:-i,y:a},{x:i,y:a}],s=t.util.calcDimensionsMatrix(r),c=t.util.makeBoundingBoxFromPoints(o,s);return{x:c.width,y:c.height}},mergeClipPaths:function(e,n){var r=e,i=n;r.inverted&&!i.inverted&&(r=n,i=e),t.util.applyTransformToObject(i,t.util.multiplyTransformMatrices(t.util.invertTransform(r.calcTransformMatrix()),i.calcTransformMatrix()));var a=r.inverted&&i.inverted;return a&&(r.inverted=i.inverted=!1),new 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n(e){this.status=e,this.points=[]}t.Intersection=n,t.Intersection.prototype={constructor:n,appendPoint:function(e){return this.points.push(e),this},appendPoints:function(e){return this.points=this.points.concat(e),this}},t.Intersection.intersectLineLine=function(e,r,i,a){var o,s=(a.x-i.x)*(e.y-i.y)-(a.y-i.y)*(e.x-i.x),c=(r.x-e.x)*(e.y-i.y)-(r.y-e.y)*(e.x-i.x),l=(a.y-i.y)*(r.x-e.x)-(a.x-i.x)*(r.y-e.y);if(l!==0){var u=s/l,d=c/l;0<=u&&u<=1&&0<=d&&d<=1?(o=new n(`Intersection`),o.appendPoint(new t.Point(e.x+u*(r.x-e.x),e.y+u*(r.y-e.y)))):o=new n}else o=s===0||c===0?new n(`Coincident`):new n(`Parallel`);return o},t.Intersection.intersectLinePolygon=function(e,t,r){var i=new n,a=r.length,o,s,c,l;for(l=0;l<a;l++)o=r[l],s=r[(l+1)%a],c=n.intersectLineLine(e,t,o,s),i.appendPoints(c.points);return i.points.length>0&&(i.status=`Intersection`),i},t.Intersection.intersectPolygonPolygon=function(e,t){var r=new n,i=e.length,a;for(a=0;a<i;a++){var o=e[a],s=e[(a+1)%i],c=n.intersectLinePolygon(o,s,t);r.appendPoints(c.points)}return r.points.length>0&&(r.status=`Intersection`),r},t.Intersection.intersectPolygonRectangle=function(e,r,i){var a=r.min(i),o=r.max(i),s=new t.Point(o.x,a.y),c=new t.Point(a.x,o.y),l=n.intersectLinePolygon(a,s,e),u=n.intersectLinePolygon(s,o,e),d=n.intersectLinePolygon(o,c,e),f=n.intersectLinePolygon(c,a,e),p=new n;return p.appendPoints(l.points),p.appendPoints(u.points),p.appendPoints(d.points),p.appendPoints(f.points),p.points.length>0&&(p.status=`Intersection`),p}})(e),(function(e){var t=e.fabric||={};if(t.Color){t.warn(`fabric.Color is already defined.`);return}function n(e){e?this._tryParsingColor(e):this.setSource([0,0,0,1])}t.Color=n,t.Color.prototype={_tryParsingColor:function(e){var t;e in n.colorNameMap&&(e=n.colorNameMap[e]),e===`transparent`&&(t=[255,255,255,0]),t||=n.sourceFromHex(e),t||=n.sourceFromRgb(e),t||=n.sourceFromHsl(e),t||=[0,0,0,1],t&&this.setSource(t)},_rgbToHsl:function(e,n,r){e/=255,n/=255,r/=255;var i,a,o,s=t.util.array.max([e,n,r]),c=t.util.array.min([e,n,r]);if(o=(s+c)/2,s===c)i=a=0;else{var l=s-c;switch(a=o>.5?l/(2-s-c):l/(s+c),s){case e:i=(n-r)/l+(n<r?6:0);break;case n:i=(r-e)/l+2;break;case r:i=(e-n)/l+4;break}i/=6}return[Math.round(i*360),Math.round(a*100),Math.round(o*100)]},getSource:function(){return this._source},setSource:function(e){this._source=e},toRgb:function(){var e=this.getSource();return`rgb(`+e[0]+`,`+e[1]+`,`+e[2]+`)`},toRgba:function(){var e=this.getSource();return`rgba(`+e[0]+`,`+e[1]+`,`+e[2]+`,`+e[3]+`)`},toHsl:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return`hsl(`+t[0]+`,`+t[1]+`%,`+t[2]+`%)`},toHsla:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return`hsla(`+t[0]+`,`+t[1]+`%,`+t[2]+`%,`+e[3]+`)`},toHex:function(){var e=this.getSource(),t=e[0].toString(16),n,r;return t=t.length===1?`0`+t:t,n=e[1].toString(16),n=n.length===1?`0`+n:n,r=e[2].toString(16),r=r.length===1?`0`+r:r,t.toUpperCase()+n.toUpperCase()+r.toUpperCase()},toHexa:function(){var e=this.getSource(),t=Math.round(e[3]*255);return t=t.toString(16),t=t.length===1?`0`+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(e){var t=this.getSource();return t[3]=e,this.setSource(t),this},toGrayscale:function(){var e=this.getSource(),t=parseInt((e[0]*.3+e[1]*.59+e[2]*.11).toFixed(0),10),n=e[3];return this.setSource([t,t,t,n]),this},toBlackWhite:function(e){var t=this.getSource(),n=(t[0]*.3+t[1]*.59+t[2]*.11).toFixed(0),r=t[3];return e||=127,n=Number(n)<Number(e)?0:255,this.setSource([n,n,n,r]),this},overlayWith:function(e){e instanceof n||(e=new n(e));var t=[],r=this.getAlpha(),i=.5,a=this.getSource(),o=e.getSource(),s;for(s=0;s<3;s++)t.push(Math.round(a[s]*(1-i)+o[s]*i));return t[3]=r,this.setSource(t),this}},t.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,t.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/i,t.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,t.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`};function r(e,t,n){return n<0&&(n+=1),n>1&&--n,n<1/6?e+(t-e)*6*n:n<1/2?t:n<2/3?e+(t-e)*(2/3-n)*6:e}t.Color.fromRgb=function(e){return n.fromSource(n.sourceFromRgb(e))},t.Color.sourceFromRgb=function(e){var t=e.match(n.reRGBa);if(t){var r=parseInt(t[1],10)/(/%$/.test(t[1])?100:1)*(/%$/.test(t[1])?255:1),i=parseInt(t[2],10)/(/%$/.test(t[2])?100:1)*(/%$/.test(t[2])?255:1),a=parseInt(t[3],10)/(/%$/.test(t[3])?100:1)*(/%$/.test(t[3])?255:1);return[parseInt(r,10),parseInt(i,10),parseInt(a,10),t[4]?parseFloat(t[4]):1]}},t.Color.fromRgba=n.fromRgb,t.Color.fromHsl=function(e){return n.fromSource(n.sourceFromHsl(e))},t.Color.sourceFromHsl=function(e){var t=e.match(n.reHSLa);if(t){var i=(parseFloat(t[1])%360+360)%360/360,a=parseFloat(t[2])/(/%$/.test(t[2])?100:1),o=parseFloat(t[3])/(/%$/.test(t[3])?100:1),s,c,l;if(a===0)s=c=l=o;else{var u=o<=.5?o*(a+1):o+a-o*a,d=o*2-u;s=r(d,u,i+1/3),c=r(d,u,i),l=r(d,u,i-1/3)}return[Math.round(s*255),Math.round(c*255),Math.round(l*255),t[4]?parseFloat(t[4]):1]}},t.Color.fromHsla=n.fromHsl,t.Color.fromHex=function(e){return n.fromSource(n.sourceFromHex(e))},t.Color.sourceFromHex=function(e){if(e.match(n.reHex)){var t=e.slice(e.indexOf(`#`)+1),r=t.length===3||t.length===4,i=t.length===8||t.length===4,a=r?t.charAt(0)+t.charAt(0):t.substring(0,2),o=r?t.charAt(1)+t.charAt(1):t.substring(2,4),s=r?t.charAt(2)+t.charAt(2):t.substring(4,6),c=i?r?t.charAt(3)+t.charAt(3):t.substring(6,8):`FF`;return[parseInt(a,16),parseInt(o,16),parseInt(s,16),parseFloat((parseInt(c,16)/255).toFixed(2))]}},t.Color.fromSource=function(e){var t=new n;return t.setSource(e),t}})(e),(function(e){var t=e.fabric||={},n=[`e`,`se`,`s`,`sw`,`w`,`nw`,`n`,`ne`,`e`],r=[`ns`,`nesw`,`ew`,`nwse`],i={},a=`left`,o=`top`,s=`right`,c=`bottom`,l=`center`,u={top:c,bottom:o,left:s,right:a,center:l},d=t.util.radiansToDegrees,f=Math.sign||function(e){return(e>0)-(e<0)||+e};function p(e,t){var n=e.angle+d(Math.atan2(t.y,t.x))+360;return Math.round(n%360/45)}function m(e,n){var r=n.transform.target,i=r.canvas,a=t.util.object.clone(n);a.target=r,i&&i.fire(`object:`+e,a),r.fire(e,n)}function h(e,t){var n=t.canvas,r=e[n.uniScaleKey];return n.uniformScaling&&!r||!n.uniformScaling&&r}function g(e){return e.originX===l&&e.originY===l}function _(e,t,n){var r=e.lockScalingX,i=e.lockScalingY;return!!(r&&i||!t&&(r||i)&&n||r&&t===`x`||i&&t===`y`)}function v(e,t,r){var i=`not-allowed`,a=h(e,r),o=``;return t.x!==0&&t.y===0?o=`x`:t.x===0&&t.y!==0&&(o=`y`),_(r,o,a)?i:n[p(r,t)]+`-resize`}function y(e,t,n){return t.x!==0&&n.lockSkewingY||t.y!==0&&n.lockSkewingX?`not-allowed`:r[p(n,t)%4]+`-resize`}function b(e,t,n){return e[n.canvas.altActionKey]?i.skewCursorStyleHandler(e,t,n):i.scaleCursorStyleHandler(e,t,n)}function x(e,t,n){var r=e[n.canvas.altActionKey];if(t.x===0)return r?`skewX`:`scaleY`;if(t.y===0)return r?`skewY`:`scaleX`}function S(e,t,n){return n.lockRotation?`not-allowed`:t.cursorStyle}function C(e,t,n,r){return{e,transform:t,pointer:{x:n,y:r}}}function w(e){return function(t,n,r,i){var a=n.target,o=a.getCenterPoint(),s=a.translateToOriginPoint(o,n.originX,n.originY),c=e(t,n,r,i);return a.setPositionByOrigin(s,n.originX,n.originY),c}}function T(e,t){return function(n,r,i,a){var o=t(n,r,i,a);return o&&m(e,C(n,r,i,a)),o}}function E(e,n,r,i,a){var o=e.target,s=o.controls[e.corner],c=o.canvas.getZoom(),l=o.padding/c,u=o.toLocalPoint(new t.Point(i,a),n,r);return u.x>=l&&(u.x-=l),u.x<=-l&&(u.x+=l),u.y>=l&&(u.y-=l),u.y<=l&&(u.y+=l),u.x-=s.offsetX,u.y-=s.offsetY,u}function D(e){return e.flipX!==e.flipY}function O(e,t,n,r,i){if(e[t]!==0){var a=i/e._getTransformedDimensions()[r]*e[n];e.set(n,a)}}function k(e,t,n,r){var i=t.target,l=i._getTransformedDimensions(0,i.skewY),u=E(t,t.originX,t.originY,n,r),f=Math.abs(u.x*2)-l.x,p=i.skewX,m;f<2?m=0:(m=d(Math.atan2(f/i.scaleX,l.y/i.scaleY)),t.originX===a&&t.originY===c&&(m=-m),t.originX===s&&t.originY===o&&(m=-m),D(i)&&(m=-m));var h=p!==m;if(h){var g=i._getTransformedDimensions().y;i.set(`skewX`,m),O(i,`skewY`,`scaleY`,`y`,g)}return h}function A(e,t,n,r){var i=t.target,l=i._getTransformedDimensions(i.skewX,0),u=E(t,t.originX,t.originY,n,r),f=Math.abs(u.y*2)-l.y,p=i.skewY,m;f<2?m=0:(m=d(Math.atan2(f/i.scaleY,l.x/i.scaleX)),t.originX===a&&t.originY===c&&(m=-m),t.originX===s&&t.originY===o&&(m=-m),D(i)&&(m=-m));var h=p!==m;if(h){var g=i._getTransformedDimensions().x;i.set(`skewY`,m),O(i,`skewX`,`scaleX`,`x`,g)}return h}function j(e,t,n,r){var i=t.target,c=i.skewX,u,d=t.originY;return i.lockSkewingX?!1:(c===0?u=E(t,l,l,n,r).x>0?a:s:(c>0&&(u=d===o?a:s),c<0&&(u=d===o?s:a),D(i)&&(u=u===a?s:a)),t.originX=u,T(`skewing`,w(k))(e,t,n,r))}function M(e,t,n,r){var i=t.target,s=i.skewY,u,d=t.originX;return i.lockSkewingY?!1:(s===0?u=E(t,l,l,n,r).y>0?o:c:(s>0&&(u=d===a?o:c),s<0&&(u=d===a?c:o),D(i)&&(u=u===o?c:o)),t.originY=u,T(`skewing`,w(A))(e,t,n,r))}function N(e,t,n,r){var i=t,a=i.target,o=a.translateToOriginPoint(a.getCenterPoint(),i.originX,i.originY);if(a.lockRotation)return!1;var s=Math.atan2(i.ey-o.y,i.ex-o.x),c=d(Math.atan2(r-o.y,n-o.x)-s+i.theta),l=!0;if(a.snapAngle>0){var u=a.snapAngle,f=a.snapThreshold||u,p=Math.ceil(c/u)*u,m=Math.floor(c/u)*u;Math.abs(c-m)<f?c=m:Math.abs(c-p)<f&&(c=p)}return c<0&&(c=360+c),c%=360,l=a.angle!==c,a.angle=c,l}function ee(e,t,n,r,i){i||={};var a=t.target,o=a.lockScalingX,s=a.lockScalingY,c=i.by,l,d,p,m,v=h(e,a),y=_(a,c,v),b,x,S=t.gestureScale;if(y)return!1;if(S)d=t.scaleX*S,p=t.scaleY*S;else{if(l=E(t,t.originX,t.originY,n,r),b=c===`y`?1:f(l.x),x=c===`x`?1:f(l.y),t.signX||=b,t.signY||=x,a.lockScalingFlip&&(t.signX!==b||t.signY!==x))return!1;if(m=a._getTransformedDimensions(),v&&!c){var C=Math.abs(l.x)+Math.abs(l.y),w=t.original,T=C/(Math.abs(m.x*w.scaleX/a.scaleX)+Math.abs(m.y*w.scaleY/a.scaleY));d=w.scaleX*T,p=w.scaleY*T}else d=Math.abs(l.x*a.scaleX/m.x),p=Math.abs(l.y*a.scaleY/m.y);g(t)&&(d*=2,p*=2),t.signX!==b&&c!==`y`&&(t.originX=u[t.originX],d*=-1,t.signX=b),t.signY!==x&&c!==`x`&&(t.originY=u[t.originY],p*=-1,t.signY=x)}var D=a.scaleX,O=a.scaleY;return c?(c===`x`&&a.set(`scaleX`,d),c===`y`&&a.set(`scaleY`,p)):(!o&&a.set(`scaleX`,d),!s&&a.set(`scaleY`,p)),D!==a.scaleX||O!==a.scaleY}function te(e,t,n,r){return ee(e,t,n,r)}function P(e,t,n,r){return ee(e,t,n,r,{by:`x`})}function F(e,t,n,r){return ee(e,t,n,r,{by:`y`})}function ne(e,t,n,r){return e[t.target.canvas.altActionKey]?i.skewHandlerX(e,t,n,r):i.scalingY(e,t,n,r)}function re(e,t,n,r){return e[t.target.canvas.altActionKey]?i.skewHandlerY(e,t,n,r):i.scalingX(e,t,n,r)}function ie(e,t,n,r){var i=t.target,a=E(t,t.originX,t.originY,n,r),o=i.strokeWidth/(i.strokeUniform?i.scaleX:1),s=g(t)?2:1,c=i.width,l=Math.abs(a.x*s/i.scaleX)-o;return i.set(`width`,Math.max(l,0)),c!==l}function ae(e,t,n,r){var i=t.target,a=n-t.offsetX,o=r-t.offsetY,s=!i.get(`lockMovementX`)&&i.left!==a,c=!i.get(`lockMovementY`)&&i.top!==o;return s&&i.set(`left`,a),c&&i.set(`top`,o),(s||c)&&m(`moving`,C(e,t,n,r)),s||c}i.scaleCursorStyleHandler=v,i.skewCursorStyleHandler=y,i.scaleSkewCursorStyleHandler=b,i.rotationWithSnapping=T(`rotating`,w(N)),i.scalingEqually=T(`scaling`,w(te)),i.scalingX=T(`scaling`,w(P)),i.scalingY=T(`scaling`,w(F)),i.scalingYOrSkewingX=ne,i.scalingXOrSkewingY=re,i.changeWidth=T(`resizing`,w(ie)),i.skewHandlerX=j,i.skewHandlerY=M,i.dragHandler=ae,i.scaleOrSkewActionName=x,i.rotationStyleHandler=S,i.fireEvent=m,i.wrapWithFixedAnchor=w,i.wrapWithFireEvent=T,i.getLocalPoint=E,t.controlsUtils=i})(e),(function(e){var t=e.fabric||={},n=t.util.degreesToRadians,r=t.controlsUtils;function i(e,t,n,r,i){r||={};var a=this.sizeX||r.cornerSize||i.cornerSize,o=this.sizeY||r.cornerSize||i.cornerSize,s=r.transparentCorners===void 0?i.transparentCorners:r.transparentCorners,c=s?`stroke`:`fill`,l=!s&&(r.cornerStrokeColor||i.cornerStrokeColor),u=t,d=n,f;e.save(),e.fillStyle=r.cornerColor||i.cornerColor,e.strokeStyle=r.cornerStrokeColor||i.cornerStrokeColor,a>o?(f=a,e.scale(1,o/a),d=n*a/o):o>a?(f=o,e.scale(a/o,1),u=t*o/a):f=a,e.lineWidth=1,e.beginPath(),e.arc(u,d,f/2,0,2*Math.PI,!1),e[c](),l&&e.stroke(),e.restore()}function a(e,t,r,i,a){i||={};var o=this.sizeX||i.cornerSize||a.cornerSize,s=this.sizeY||i.cornerSize||a.cornerSize,c=i.transparentCorners===void 0?a.transparentCorners:i.transparentCorners,l=c?`stroke`:`fill`,u=!c&&(i.cornerStrokeColor||a.cornerStrokeColor),d=o/2,f=s/2;e.save(),e.fillStyle=i.cornerColor||a.cornerColor,e.strokeStyle=i.cornerStrokeColor||a.cornerStrokeColor,e.lineWidth=1,e.translate(t,r),e.rotate(n(a.angle)),e[l+`Rect`](-d,-f,o,s),u&&e.strokeRect(-d,-f,o,s),e.restore()}r.renderCircleControl=i,r.renderSquareControl=a})(e),(function(e){var t=e.fabric||={};function n(e){for(var t in e)this[t]=e[t]}t.Control=n,t.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(e,t){return t.cursorStyle},getActionName:function(e,t){return t.actionName},getVisibility:function(e,t){var n=e._controlsVisibility;return n&&n[t]!==void 0?n[t]:this.visible},setVisibility:function(e){this.visible=e},positionHandler:function(e,n){return t.util.transformPoint({x:this.x*e.x+this.offsetX,y:this.y*e.y+this.offsetY},n)},calcCornerCoords:function(e,n,r,i,a){var o,s,c,l,u=a?this.touchSizeX:this.sizeX,d=a?this.touchSizeY:this.sizeY;if(u&&d&&u!==d){var f=Math.atan2(d,u),p=Math.sqrt(u*u+d*d)/2,m=f-t.util.degreesToRadians(e),h=Math.PI/2-f-t.util.degreesToRadians(e);o=p*t.util.cos(m),s=p*t.util.sin(m),c=p*t.util.cos(h),l=p*t.util.sin(h)}else{p=(u&&d?u:n)*.7071067812;var m=t.util.degreesToRadians(45-e);o=c=p*t.util.cos(m),s=l=p*t.util.sin(m)}return{tl:{x:r-l,y:i-c},tr:{x:r+o,y:i-s},bl:{x:r-o,y:i+s},br:{x:r+l,y:i+c}}},render:function(e,n,r,i,a){switch(i||={},i.cornerStyle||a.cornerStyle){case`circle`:t.controlsUtils.renderCircleControl.call(this,e,n,r,i,a);break;default:t.controlsUtils.renderSquareControl.call(this,e,n,r,i,a)}}}})(e),(function(){function e(e,n){var r=e.getAttribute(`style`),i=e.getAttribute(`offset`)||0,a,o,s,c;if(i=parseFloat(i)/(/%$/.test(i)?100:1),i=i<0?0:i>1?1:i,r){var l=r.split(/\s*;\s*/);for(l[l.length-1]===``&&l.pop(),c=l.length;c--;){var u=l[c].split(/\s*:\s*/),d=u[0].trim(),f=u[1].trim();d===`stop-color`?a=f:d===`stop-opacity`&&(s=f)}}return a||=e.getAttribute(`stop-color`)||`rgb(0,0,0)`,s||=e.getAttribute(`stop-opacity`),a=new t.Color(a),o=a.getAlpha(),s=isNaN(parseFloat(s))?1:parseFloat(s),s*=o*n,{offset:i,color:a.toRgb(),opacity:s}}function n(e){return{x1:e.getAttribute(`x1`)||0,y1:e.getAttribute(`y1`)||0,x2:e.getAttribute(`x2`)||`100%`,y2:e.getAttribute(`y2`)||0}}function r(e){return{x1:e.getAttribute(`fx`)||e.getAttribute(`cx`)||`50%`,y1:e.getAttribute(`fy`)||e.getAttribute(`cy`)||`50%`,r1:0,x2:e.getAttribute(`cx`)||`50%`,y2:e.getAttribute(`cy`)||`50%`,r2:e.getAttribute(`r`)||`50%`}}var i=t.util.object.clone;t.Gradient=t.util.createClass({offsetX:0,offsetY:0,gradientTransform:null,gradientUnits:`pixels`,type:`linear`,initialize:function(e){e||={},e.coords||={};var n,r=this;Object.keys(e).forEach(function(t){r[t]=e[t]}),this.id?this.id+=`_`+ t.Object.__uid++:this.id=t.Object.__uid++,n={x1:e.coords.x1||0,y1:e.coords.y1||0,x2:e.coords.x2||0,y2:e.coords.y2||0},this.type===`radial`&&(n.r1=e.coords.r1||0,n.r2=e.coords.r2||0),this.coords=n,this.colorStops=e.colorStops.slice()},addColorStop:function(e){for(var n in e){var r=new t.Color(e[n]);this.colorStops.push({offset:parseFloat(n),color:r.toRgb(),opacity:r.getAlpha()})}return this},toObject:function(e){var n={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 t.util.populateWithProperties(this,n,e),n},toSVG:function(e,n){var r=i(this.coords,!0),a,o,n=n||{},s,c,l=i(this.colorStops,!0),u=r.r1>r.r2,d=this.gradientTransform?this.gradientTransform.concat():t.iMatrix.concat(),f=-this.offsetX,p=-this.offsetY,m=!!n.additionalTransform,h=this.gradientUnits===`pixels`?`userSpaceOnUse`:`objectBoundingBox`;if(l.sort(function(e,t){return e.offset-t.offset}),h===`objectBoundingBox`?(f/=e.width,p/=e.height):(f+=e.width/2,p+=e.height/2),e.type===`path`&&this.gradientUnits!==`percentage`&&(f-=e.pathOffset.x,p-=e.pathOffset.y),d[4]-=f,d[5]-=p,c=`id="SVGID_`+this.id+`" gradientUnits="`+h+`"`,c+=` gradientTransform="`+(m?n.additionalTransform+` `:``)+t.util.matrixToSVG(d)+`" `,this.type===`linear`?s=[`<linearGradient `,c,` x1="`,r.x1,`" y1="`,r.y1,`" x2="`,r.x2,`" y2="`,r.y2,`">
|
|
`]:this.type===`radial`&&(s=[`<radialGradient `,c,` cx="`,u?r.x1:r.x2,`" cy="`,u?r.y1:r.y2,`" r="`,u?r.r1:r.r2,`" fx="`,u?r.x2:r.x1,`" fy="`,u?r.y2:r.y1,`">
|
|
`]),this.type===`radial`){if(u)for(l=l.concat(),l.reverse(),a=0,o=l.length;a<o;a++)l[a].offset=1-l[a].offset;var g=Math.min(r.r1,r.r2);if(g>0){var _=g/Math.max(r.r1,r.r2);for(a=0,o=l.length;a<o;a++)l[a].offset+=_*(1-l[a].offset)}}for(a=0,o=l.length;a<o;a++){var v=l[a];s.push(`<stop `,`offset="`,v.offset*100+`%`,`" style="stop-color:`,v.color,v.opacity===void 0?`;`:`;stop-opacity: `+v.opacity,`"/>
|
|
`)}return s.push(this.type===`linear`?`</linearGradient>
|
|
`:`</radialGradient>
|
|
`),s.join(``)},toLive:function(e){var n,r=t.util.object.clone(this.coords),i,a;if(this.type){for(this.type===`linear`?n=e.createLinearGradient(r.x1,r.y1,r.x2,r.y2):this.type===`radial`&&(n=e.createRadialGradient(r.x1,r.y1,r.r1,r.x2,r.y2,r.r2)),i=0,a=this.colorStops.length;i<a;i++){var o=this.colorStops[i].color,s=this.colorStops[i].opacity,c=this.colorStops[i].offset;s!==void 0&&(o=new t.Color(o).setAlpha(s).toRgba()),n.addColorStop(c,o)}return n}}}),t.util.object.extend(t.Gradient,{fromElement:function(i,o,s,c){var l=parseFloat(s)/(/%$/.test(s)?100:1);l=l<0?0:l>1?1:l,isNaN(l)&&(l=1);var u=i.getElementsByTagName(`stop`),d,f=i.getAttribute(`gradientUnits`)===`userSpaceOnUse`?`pixels`:`percentage`,p=i.getAttribute(`gradientTransform`)||``,m=[],h,g,_=0,v=0,y;for(i.nodeName===`linearGradient`||i.nodeName===`LINEARGRADIENT`?(d=`linear`,h=n(i)):(d=`radial`,h=r(i)),g=u.length;g--;)m.push(e(u[g],l));return y=t.parseTransformAttribute(p),a(o,h,c,f),f===`pixels`&&(_=-o.left,v=-o.top),new t.Gradient({id:i.getAttribute(`id`),type:d,coords:h,colorStops:m,gradientUnits:f,gradientTransform:y,offsetX:_,offsetY:v})}});function a(e,t,n,r){var i,a;Object.keys(t).forEach(function(e){i=t[e],i===`Infinity`?a=1:i===`-Infinity`?a=0:(a=parseFloat(t[e],10),typeof i==`string`&&/^(\d+\.\d+)%|(\d+)%$/.test(i)&&(a*=.01,r===`pixels`&&((e===`x1`||e===`x2`||e===`r2`)&&(a*=n.viewBoxWidth||n.width),(e===`y1`||e===`y2`)&&(a*=n.viewBoxHeight||n.height)))),t[e]=a})}})(),(function(){var e=t.util.toFixed;t.Pattern=t.util.createClass({repeat:`repeat`,offsetX:0,offsetY:0,crossOrigin:``,patternTransform:null,initialize:function(e,n){if(e||={},this.id=t.Object.__uid++,this.setOptions(e),!e.source||e.source&&typeof e.source!=`string`){n&&n(this);return}else{var r=this;this.source=t.util.createImage(),t.util.loadImage(e.source,function(e,t){r.source=e,n&&n(r,t)},null,this.crossOrigin)}},toObject:function(n){var r=t.Object.NUM_FRACTION_DIGITS,i,a;return typeof this.source.src==`string`?i=this.source.src:typeof this.source==`object`&&this.source.toDataURL&&(i=this.source.toDataURL()),a={type:`pattern`,source:i,repeat:this.repeat,crossOrigin:this.crossOrigin,offsetX:e(this.offsetX,r),offsetY:e(this.offsetY,r),patternTransform:this.patternTransform?this.patternTransform.concat():null},t.util.populateWithProperties(this,a,n),a},toSVG:function(e){var t=typeof this.source==`function`?this.source():this.source,n=t.width/e.width,r=t.height/e.height,i=this.offsetX/e.width,a=this.offsetY/e.height,o=``;return(this.repeat===`repeat-x`||this.repeat===`no-repeat`)&&(r=1,a&&(r+=Math.abs(a))),(this.repeat===`repeat-y`||this.repeat===`no-repeat`)&&(n=1,i&&(n+=Math.abs(i))),t.src?o=t.src:t.toDataURL&&(o=t.toDataURL()),`<pattern id="SVGID_`+this.id+`" x="`+i+`" y="`+a+`" width="`+n+`" height="`+r+`">
|
|
<image x="0" y="0" width="`+t.width+`" height="`+t.height+`" xlink:href="`+o+`"></image>
|
|
</pattern>
|
|
`},setOptions:function(e){for(var t in e)this[t]=e[t]},toLive:function(e){var t=this.source;return!t||t.src!==void 0&&(!t.complete||t.naturalWidth===0||t.naturalHeight===0)?``:e.createPattern(t,this.repeat)}})})(),(function(e){var t=e.fabric||={},n=t.util.toFixed;if(t.Shadow){t.warn(`fabric.Shadow is already defined.`);return}t.Shadow=t.util.createClass({color:`rgb(0,0,0)`,blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(e){for(var n in typeof e==`string`&&(e=this._parseShadow(e)),e)this[n]=e[n];this.id=t.Object.__uid++},_parseShadow:function(e){var n=e.trim(),r=t.Shadow.reOffsetsAndBlur.exec(n)||[];return{color:(n.replace(t.Shadow.reOffsetsAndBlur,``)||`rgb(0,0,0)`).trim(),offsetX:parseFloat(r[1],10)||0,offsetY:parseFloat(r[2],10)||0,blur:parseFloat(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join(`px `)},toSVG:function(e){var r=40,i=40,a=t.Object.NUM_FRACTION_DIGITS,o=t.util.rotateVector({x:this.offsetX,y:this.offsetY},t.util.degreesToRadians(-e.angle)),s=20,c=new t.Color(this.color);return e.width&&e.height&&(r=n((Math.abs(o.x)+this.blur)/e.width,a)*100+s,i=n((Math.abs(o.y)+this.blur)/e.height,a)*100+s),e.flipX&&(o.x*=-1),e.flipY&&(o.y*=-1),`<filter id="SVGID_`+this.id+`" y="-`+i+`%" height="`+(100+2*i)+`%" x="-`+r+`%" width="`+(100+2*r)+`%" >
|
|
<feGaussianBlur in="SourceAlpha" stdDeviation="`+n(this.blur?this.blur/2:0,a)+`"></feGaussianBlur>
|
|
<feOffset dx="`+n(o.x,a)+`" dy="`+n(o.y,a)+`" result="oBlur" ></feOffset>
|
|
<feFlood flood-color="`+c.toRgb()+`" flood-opacity="`+c.getAlpha()+`"/>
|
|
<feComposite in2="oBlur" operator="in" />
|
|
<feMerge>
|
|
<feMergeNode></feMergeNode>
|
|
<feMergeNode in="SourceGraphic"></feMergeNode>
|
|
</feMerge>
|
|
</filter>
|
|
`},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke,nonScaling:this.nonScaling};var e={},n=t.Shadow.prototype;return[`color`,`blur`,`offsetX`,`offsetY`,`affectStroke`,`nonScaling`].forEach(function(t){this[t]!==n[t]&&(e[t]=this[t])},this),e}}),t.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(\d+(?:\.\d*)?(?:px)?)?(?:\s?|$)(?:$|\s)/})(e),(function(){if(t.StaticCanvas){t.warn(`fabric.StaticCanvas is already defined.`);return}var e=t.util.object.extend,n=t.util.getElementOffset,r=t.util.removeFromArray,i=t.util.toFixed,a=t.util.transformPoint,o=t.util.invertTransform,s=t.util.getNodeCanvas,c=t.util.createCanvasElement,l=Error("Could not initialize `canvas` element");t.StaticCanvas=t.util.createClass(t.CommonMethods,{initialize:function(e,t){t||={},this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(e,t)},backgroundColor:``,backgroundImage:null,overlayColor:``,overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:t.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(e,t){var n=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(e),this._initOptions(t),this.interactive||this._initRetinaScaling(),t.overlayImage&&this.setOverlayImage(t.overlayImage,n),t.backgroundImage&&this.setBackgroundImage(t.backgroundImage,n),t.backgroundColor&&this.setBackgroundColor(t.backgroundColor,n),t.overlayColor&&this.setOverlayColor(t.overlayColor,n),this.calcOffset()},_isRetinaScaling:function(){return t.devicePixelRatio>1&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?Math.max(1,t.devicePixelRatio):1},_initRetinaScaling:function(){if(this._isRetinaScaling()){var e=t.devicePixelRatio;this.__initRetinaScaling(e,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(e,this.upperCanvasEl,this.contextTop)}},__initRetinaScaling:function(e,t,n){t.setAttribute(`width`,this.width*e),t.setAttribute(`height`,this.height*e),n.scale(e,e)},calcOffset:function(){return this._offset=n(this.lowerCanvasEl),this},setOverlayImage:function(e,t,n){return this.__setBgOverlayImage(`overlayImage`,e,t,n)},setBackgroundImage:function(e,t,n){return this.__setBgOverlayImage(`backgroundImage`,e,t,n)},setOverlayColor:function(e,t){return this.__setBgOverlayColor(`overlayColor`,e,t)},setBackgroundColor:function(e,t){return this.__setBgOverlayColor(`backgroundColor`,e,t)},__setBgOverlayImage:function(e,n,r,i){return typeof n==`string`?t.util.loadImage(n,function(n,a){if(n){var o=new t.Image(n,i);this[e]=o,o.canvas=this}r&&r(n,a)},this,i&&i.crossOrigin):(i&&n.setOptions(i),this[e]=n,n&&(n.canvas=this),r&&r(n,!1)),this},__setBgOverlayColor:function(e,t,n){return this[e]=t,this._initGradient(t,e),this._initPattern(t,e,n),this},_createCanvasElement:function(){var e=c();if(!e||(e.style||={},e.getContext===void 0))throw l;return e},_initOptions:function(e){var t=this.lowerCanvasEl;this._setOptions(e),this.width=this.width||parseInt(t.width,10)||0,this.height=this.height||parseInt(t.height,10)||0,this.lowerCanvasEl.style&&(t.width=this.width,t.height=this.height,t.style.width=this.width+`px`,t.style.height=this.height+`px`,this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(e){e&&e.getContext?this.lowerCanvasEl=e:this.lowerCanvasEl=t.util.getById(e)||this._createCanvasElement(),t.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(e,t){return this.setDimensions({width:e},t)},setHeight:function(e,t){return this.setDimensions({height:e},t)},setDimensions:function(e,t){var n;for(var r in t||={},e)n=e[r],t.cssOnly||(this._setBackstoreDimension(r,e[r]),n+=`px`,this.hasLostContext=!0),t.backstoreOnly||this._setCssDimension(r,n);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(this.contextTop),this._initRetinaScaling(),this.calcOffset(),t.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(e,t){return this.lowerCanvasEl[e]=t,this.upperCanvasEl&&(this.upperCanvasEl[e]=t),this.cacheCanvasEl&&(this.cacheCanvasEl[e]=t),this[e]=t,this},_setCssDimension:function(e,t){return this.lowerCanvasEl.style[e]=t,this.upperCanvasEl&&(this.upperCanvasEl.style[e]=t),this.wrapperEl&&(this.wrapperEl.style[e]=t),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(e){var t=this._activeObject,n=this.backgroundImage,r=this.overlayImage,i,a,o;for(this.viewportTransform=e,a=0,o=this._objects.length;a<o;a++)i=this._objects[a],i.group||i.setCoords(!0);return t&&t.setCoords(),n&&n.setCoords(!0),r&&r.setCoords(!0),this.calcViewportBoundaries(),this.renderOnAddRemove&&this.requestRenderAll(),this},zoomToPoint:function(e,t){var n=e,r=this.viewportTransform.slice(0);e=a(e,o(this.viewportTransform)),r[0]=t,r[3]=t;var i=a(e,r);return r[4]+=n.x-i.x,r[5]+=n.y-i.y,this.setViewportTransform(r)},setZoom:function(e){return this.zoomToPoint(new t.Point(0,0),e),this},absolutePan:function(e){var t=this.viewportTransform.slice(0);return t[4]=-e.x,t[5]=-e.y,this.setViewportTransform(t)},relativePan:function(e){return this.absolutePan(new t.Point(-e.x-this.viewportTransform[4],-e.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(e){this.stateful&&e.setupState(),e._set(`canvas`,this),e.setCoords(),this.fire(`object:added`,{target:e}),e.fire(`added`)},_onObjectRemoved:function(e){this.fire(`object:removed`,{target:e}),e.fire(`removed`),delete e.canvas},clearContext:function(e){return e.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,!1),this.clearContext(this.contextContainer),this.fire(`canvas:cleared`),this.renderOnAddRemove&&this.requestRenderAll(),this},renderAll:function(){var e=this.contextContainer;return this.renderCanvas(e,this._objects),this},renderAndReset:function(){this.isRendering=0,this.renderAll()},requestRenderAll:function(){return this.isRendering||=t.util.requestAnimFrame(this.renderAndResetBound),this},calcViewportBoundaries:function(){var e={},n=this.width,r=this.height,i=o(this.viewportTransform);return e.tl=a({x:0,y:0},i),e.br=a({x:n,y:r},i),e.tr=new t.Point(e.br.x,e.tl.y),e.bl=new t.Point(e.tl.x,e.br.y),this.vptCoords=e,e},cancelRequestedRender:function(){this.isRendering&&=(t.util.cancelAnimFrame(this.isRendering),0)},renderCanvas:function(e,n){var r=this.viewportTransform,i=this.clipPath;this.cancelRequestedRender(),this.calcViewportBoundaries(),this.clearContext(e),t.util.setImageSmoothing(e,this.imageSmoothingEnabled),this.fire(`before:render`,{ctx:e}),this._renderBackground(e),e.save(),e.transform(r[0],r[1],r[2],r[3],r[4],r[5]),this._renderObjects(e,n),e.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(e),i&&(i.canvas=this,i.shouldCache(),i._transformDone=!0,i.renderCache({forClipping:!0}),this.drawClipPathOnCanvas(e)),this._renderOverlay(e),this.controlsAboveOverlay&&this.interactive&&this.drawControls(e),this.fire(`after:render`,{ctx:e})},drawClipPathOnCanvas:function(e){var t=this.viewportTransform,n=this.clipPath;e.save(),e.transform(t[0],t[1],t[2],t[3],t[4],t[5]),e.globalCompositeOperation=`destination-in`,n.transform(e),e.scale(1/n.zoomX,1/n.zoomY),e.drawImage(n._cacheCanvas,-n.cacheTranslationX,-n.cacheTranslationY),e.restore()},_renderObjects:function(e,t){var n,r;for(n=0,r=t.length;n<r;++n)t[n]&&t[n].render(e)},_renderBackgroundOrOverlay:function(e,t){var n=this[t+`Color`],r=this[t+`Image`],i=this.viewportTransform,a=this[t+`Vpt`];if(!(!n&&!r)){if(n){e.save(),e.beginPath(),e.moveTo(0,0),e.lineTo(this.width,0),e.lineTo(this.width,this.height),e.lineTo(0,this.height),e.closePath(),e.fillStyle=n.toLive?n.toLive(e,this):n,a&&e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),e.transform(1,0,0,1,n.offsetX||0,n.offsetY||0);var o=n.gradientTransform||n.patternTransform;o&&e.transform(o[0],o[1],o[2],o[3],o[4],o[5]),e.fill(),e.restore()}if(r){e.save();var s=this.skipOffscreen;this.skipOffscreen=a,a&&e.transform(i[0],i[1],i[2],i[3],i[4],i[5]),r.render(e),this.skipOffscreen=s,e.restore()}}},_renderBackground:function(e){this._renderBackgroundOrOverlay(e,`background`)},_renderOverlay:function(e){this._renderBackgroundOrOverlay(e,`overlay`)},getCenter:function(){return{top:this.height/2,left:this.width/2}},getCenterPoint:function(){return new t.Point(this.width/2,this.height/2)},centerObjectH:function(e){return this._centerObject(e,new t.Point(this.getCenterPoint().x,e.getCenterPoint().y))},centerObjectV:function(e){return this._centerObject(e,new t.Point(e.getCenterPoint().x,this.getCenterPoint().y))},centerObject:function(e){var t=this.getCenterPoint();return this._centerObject(e,t)},viewportCenterObject:function(e){var t=this.getVpCenter();return this._centerObject(e,t)},viewportCenterObjectH:function(e){var n=this.getVpCenter();return this._centerObject(e,new t.Point(n.x,e.getCenterPoint().y)),this},viewportCenterObjectV:function(e){var n=this.getVpCenter();return this._centerObject(e,new t.Point(e.getCenterPoint().x,n.y))},getVpCenter:function(){return a(this.getCenterPoint(),o(this.viewportTransform))},_centerObject:function(e,t){return e.setPositionByOrigin(t,`center`,`center`),e.setCoords(),this.renderOnAddRemove&&this.requestRenderAll(),this},toDatalessJSON:function(e){return this.toDatalessObject(e)},toObject:function(e){return this._toObjectMethod(`toObject`,e)},toDatalessObject:function(e){return this._toObjectMethod(`toDatalessObject`,e)},_toObjectMethod:function(n,r){var i=this.clipPath,a={version:t.version,objects:this._toObjects(n,r)};return i&&!i.excludeFromExport&&(a.clipPath=this._toObject(this.clipPath,n,r)),e(a,this.__serializeBgOverlay(n,r)),t.util.populateWithProperties(this,a,r),a},_toObjects:function(e,t){return this._objects.filter(function(e){return!e.excludeFromExport}).map(function(n){return this._toObject(n,e,t)},this)},_toObject:function(e,t,n){var r;this.includeDefaultValues||(r=e.includeDefaultValues,e.includeDefaultValues=!1);var i=e[t](n);return this.includeDefaultValues||(e.includeDefaultValues=r),i},__serializeBgOverlay:function(e,t){var n={},r=this.backgroundImage,i=this.overlayImage,a=this.backgroundColor,o=this.overlayColor;return a&&a.toObject?a.excludeFromExport||(n.background=a.toObject(t)):a&&(n.background=a),o&&o.toObject?o.excludeFromExport||(n.overlay=o.toObject(t)):o&&(n.overlay=o),r&&!r.excludeFromExport&&(n.backgroundImage=this._toObject(r,e,t)),i&&!i.excludeFromExport&&(n.overlayImage=this._toObject(i,e,t)),n},svgViewportTransformation:!0,toSVG:function(e,t){e||={},e.reviver=t;var n=[];return this._setSVGPreamble(n,e),this._setSVGHeader(n,e),this.clipPath&&n.push(`<g clip-path="url(#`+this.clipPath.clipPathId+`)" >
|
|
`),this._setSVGBgOverlayColor(n,`background`),this._setSVGBgOverlayImage(n,`backgroundImage`,t),this._setSVGObjects(n,t),this.clipPath&&n.push(`</g>
|
|
`),this._setSVGBgOverlayColor(n,`overlay`),this._setSVGBgOverlayImage(n,`overlayImage`,t),n.push(`</svg>`),n.join(``)},_setSVGPreamble:function(e,t){t.suppressPreamble||e.push(`<?xml version="1.0" encoding="`,t.encoding||`UTF-8`,`" standalone="no" ?>
|
|
`,`<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" `,`"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
|
|
`)},_setSVGHeader:function(e,n){var r=n.width||this.width,a=n.height||this.height,o,s=`viewBox="0 0 `+this.width+` `+this.height+`" `,c=t.Object.NUM_FRACTION_DIGITS;n.viewBox?s=`viewBox="`+n.viewBox.x+` `+n.viewBox.y+` `+n.viewBox.width+` `+n.viewBox.height+`" `:this.svgViewportTransformation&&(o=this.viewportTransform,s=`viewBox="`+i(-o[4]/o[0],c)+` `+i(-o[5]/o[3],c)+` `+i(this.width/o[0],c)+` `+i(this.height/o[3],c)+`" `),e.push(`<svg `,`xmlns="http://www.w3.org/2000/svg" `,`xmlns:xlink="http://www.w3.org/1999/xlink" `,`version="1.1" `,`width="`,r,`" `,`height="`,a,`" `,s,`xml:space="preserve">
|
|
`,`<desc>Created with Fabric.js `,t.version,`</desc>
|
|
`,`<defs>
|
|
`,this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(n),`</defs>
|
|
`)},createSVGClipPathMarkup:function(e){var n=this.clipPath;return n?(n.clipPathId=`CLIPPATH_`+ t.Object.__uid++,`<clipPath id="`+n.clipPathId+`" >
|
|
`+this.clipPath.toClipPathSVG(e.reviver)+`</clipPath>
|
|
`):``},createSVGRefElementsMarkup:function(){var e=this;return[`background`,`overlay`].map(function(n){var r=e[n+`Color`];if(r&&r.toLive){var i=e[n+`Vpt`],a=e.viewportTransform,o={width:e.width/(i?a[0]:1),height:e.height/(i?a[3]:1)};return r.toSVG(o,{additionalTransform:i?t.util.matrixToSVG(a):``})}}).join(``)},createSVGFontFacesMarkup:function(){var e=``,n={},r,i,a,o,s,c,l,u,d,f=t.fontPaths,p=[];for(this._objects.forEach(function e(t){p.push(t),t._objects&&t._objects.forEach(e)}),u=0,d=p.length;u<d;u++)if(r=p[u],i=r.fontFamily,!(r.type.indexOf(`text`)===-1||n[i]||!f[i])&&(n[i]=!0,r.styles))for(s in a=r.styles,a)for(l in o=a[s],o)c=o[l],i=c.fontFamily,!n[i]&&f[i]&&(n[i]=!0);for(var m in n)e+=[` @font-face {
|
|
`,` font-family: '`,m,`';
|
|
`,` src: url('`,f[m],`');
|
|
`,` }
|
|
`].join(``);return e&&=[` <style type="text/css">`,`<![CDATA[
|
|
`,e,`]]>`,`</style>
|
|
`].join(``),e},_setSVGObjects:function(e,t){var n,r,i,a=this._objects;for(r=0,i=a.length;r<i;r++)n=a[r],!n.excludeFromExport&&this._setSVGObject(e,n,t)},_setSVGObject:function(e,t,n){e.push(t.toSVG(n))},_setSVGBgOverlayImage:function(e,t,n){this[t]&&!this[t].excludeFromExport&&this[t].toSVG&&e.push(this[t].toSVG(n))},_setSVGBgOverlayColor:function(e,n){var r=this[n+`Color`],i=this.viewportTransform,a=this.width,o=this.height;if(r)if(r.toLive){var s=r.repeat,c=t.util.invertTransform(i),l=this[n+`Vpt`]?t.util.matrixToSVG(c):``;e.push(`<rect transform="`+l+` translate(`,a/2,`,`,o/2,`)"`,` x="`,r.offsetX-a/2,`" y="`,r.offsetY-o/2,`" `,`width="`,s===`repeat-y`||s===`no-repeat`?r.source.width:a,`" height="`,s===`repeat-x`||s===`no-repeat`?r.source.height:o,`" fill="url(#SVGID_`+r.id+`)"`,`></rect>
|
|
`)}else e.push(`<rect x="0" y="0" width="100%" height="100%" `,`fill="`,r,`"`,`></rect>
|
|
`)},sendToBack:function(e){if(!e)return this;var t=this._activeObject,n,i,a;if(e===t&&e.type===`activeSelection`)for(a=t._objects,n=a.length;n--;)i=a[n],r(this._objects,i),this._objects.unshift(i);else r(this._objects,e),this._objects.unshift(e);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(e){if(!e)return this;var t=this._activeObject,n,i,a;if(e===t&&e.type===`activeSelection`)for(a=t._objects,n=0;n<a.length;n++)i=a[n],r(this._objects,i),this._objects.push(i);else r(this._objects,e),this._objects.push(e);return this.renderOnAddRemove&&this.requestRenderAll(),this},sendBackwards:function(e,t){if(!e)return this;var n=this._activeObject,i,a,o,s,c,l=0;if(e===n&&e.type===`activeSelection`)for(c=n._objects,i=0;i<c.length;i++)a=c[i],o=this._objects.indexOf(a),o>0+l&&(s=o-1,r(this._objects,a),this._objects.splice(s,0,a)),l++;else o=this._objects.indexOf(e),o!==0&&(s=this._findNewLowerIndex(e,o,t),r(this._objects,e),this._objects.splice(s,0,e));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(e,t,n){var r,i;if(n){for(r=t,i=t-1;i>=0;--i)if(e.intersectsWithObject(this._objects[i])||e.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(e)){r=i;break}}else r=t-1;return r},bringForward:function(e,t){if(!e)return this;var n=this._activeObject,i,a,o,s,c,l=0;if(e===n&&e.type===`activeSelection`)for(c=n._objects,i=c.length;i--;)a=c[i],o=this._objects.indexOf(a),o<this._objects.length-1-l&&(s=o+1,r(this._objects,a),this._objects.splice(s,0,a)),l++;else o=this._objects.indexOf(e),o!==this._objects.length-1&&(s=this._findNewUpperIndex(e,o,t),r(this._objects,e),this._objects.splice(s,0,e));return this.renderOnAddRemove&&this.requestRenderAll(),this},_findNewUpperIndex:function(e,t,n){var r,i,a;if(n){for(r=t,i=t+1,a=this._objects.length;i<a;++i)if(e.intersectsWithObject(this._objects[i])||e.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(e)){r=i;break}}else r=t+1;return r},moveTo:function(e,t){return r(this._objects,e),this._objects.splice(t,0,e),this.renderOnAddRemove&&this.requestRenderAll()},dispose:function(){return this.isRendering&&=(t.util.cancelAnimFrame(this.isRendering),0),this.forEachObject(function(e){e.dispose&&e.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`),t.util.setStyle(this.lowerCanvasEl,this._originalCanvasStyle),delete this._originalCanvasStyle,this.lowerCanvasEl.setAttribute(`width`,this.width),this.lowerCanvasEl.setAttribute(`height`,this.height),t.util.cleanUpJsdomNode(this.lowerCanvasEl),this.lowerCanvasEl=void 0,this},toString:function(){return`#<fabric.Canvas (`+this.complexity()+`): { objects: `+this._objects.length+` }>`}}),e(t.StaticCanvas.prototype,t.Observable),e(t.StaticCanvas.prototype,t.Collection),e(t.StaticCanvas.prototype,t.DataURLExporter),e(t.StaticCanvas,{EMPTY_JSON:`{"objects": [], "background": "white"}`,supports:function(e){var t=c();if(!t||!t.getContext)return null;var n=t.getContext(`2d`);if(!n)return null;switch(e){case`setLineDash`:return n.setLineDash!==void 0;default:return null}}}),t.StaticCanvas.prototype.toJSON=t.StaticCanvas.prototype.toObject,t.isLikelyNode&&(t.StaticCanvas.prototype.createPNGStream=function(){var e=s(this.lowerCanvasEl);return e&&e.createPNGStream()},t.StaticCanvas.prototype.createJPEGStream=function(e){var t=s(this.lowerCanvasEl);return t&&t.createJPEGStream(e)})})(),t.BaseBrush=t.util.createClass({color:`rgb(0, 0, 0)`,width:1,shadow:null,strokeLineCap:`round`,strokeLineJoin:`round`,strokeMiterLimit:10,strokeDashArray:null,limitedToCanvasSize:!1,_setBrushStyles:function(e){e.strokeStyle=this.color,e.lineWidth=this.width,e.lineCap=this.strokeLineCap,e.miterLimit=this.strokeMiterLimit,e.lineJoin=this.strokeLineJoin,e.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(e){var t=this.canvas.viewportTransform;e.save(),e.transform(t[0],t[1],t[2],t[3],t[4],t[5])},_setShadow:function(){if(this.shadow){var e=this.canvas,n=this.shadow,r=e.contextTop,i=e.getZoom();e&&e._isRetinaScaling()&&(i*=t.devicePixelRatio),r.shadowColor=n.color,r.shadowBlur=n.blur*i,r.shadowOffsetX=n.offsetX*i,r.shadowOffsetY=n.offsetY*i}},needsFullRender:function(){return new t.Color(this.color).getAlpha()<1||!!this.shadow},_resetShadow:function(){var e=this.canvas.contextTop;e.shadowColor=``,e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0},_isOutSideCanvas:function(e){return e.x<0||e.x>this.canvas.getWidth()||e.y<0||e.y>this.canvas.getHeight()}}),(function(){t.PencilBrush=t.util.createClass(t.BaseBrush,{decimate:.4,drawStraightLine:!1,straightLineKey:`shiftKey`,initialize:function(e){this.canvas=e,this._points=[]},needsFullRender:function(){return this.callSuper(`needsFullRender`)||this._hasStraightLine},_drawSegment:function(e,t,n){var r=t.midPointFrom(n);return e.quadraticCurveTo(t.x,t.y,r.x,r.y),r},onMouseDown:function(e,t){this.canvas._isMainEvent(t.e)&&(this.drawStraightLine=t.e[this.straightLineKey],this._prepareForDrawing(e),this._captureDrawingPath(e),this._render())},onMouseMove:function(e,t){if(this.canvas._isMainEvent(t.e)&&(this.drawStraightLine=t.e[this.straightLineKey],!(this.limitedToCanvasSize===!0&&this._isOutSideCanvas(e))&&this._captureDrawingPath(e)&&this._points.length>1))if(this.needsFullRender())this.canvas.clearContext(this.canvas.contextTop),this._render();else{var n=this._points,r=n.length,i=this.canvas.contextTop;this._saveAndTransform(i),this.oldEnd&&(i.beginPath(),i.moveTo(this.oldEnd.x,this.oldEnd.y)),this.oldEnd=this._drawSegment(i,n[r-2],n[r-1],!0),i.stroke(),i.restore()}},onMouseUp:function(e){return this.canvas._isMainEvent(e.e)?(this.drawStraightLine=!1,this.oldEnd=void 0,this._finalizeAndAddPath(),!1):!0},_prepareForDrawing:function(e){var n=new t.Point(e.x,e.y);this._reset(),this._addPoint(n),this.canvas.contextTop.moveTo(n.x,n.y)},_addPoint:function(e){return this._points.length>1&&e.eq(this._points[this._points.length-1])?!1:(this.drawStraightLine&&this._points.length>1&&(this._hasStraightLine=!0,this._points.pop()),this._points.push(e),!0)},_reset:function(){this._points=[],this._setBrushStyles(this.canvas.contextTop),this._setShadow(),this._hasStraightLine=!1},_captureDrawingPath:function(e){var n=new t.Point(e.x,e.y);return this._addPoint(n)},_render:function(e){var n,r,i=this._points[0],a=this._points[1];if(e||=this.canvas.contextTop,this._saveAndTransform(e),e.beginPath(),this._points.length===2&&i.x===a.x&&i.y===a.y){var o=this.width/1e3;i=new t.Point(i.x,i.y),a=new t.Point(a.x,a.y),i.x-=o,a.x+=o}for(e.moveTo(i.x,i.y),n=1,r=this._points.length;n<r;n++)this._drawSegment(e,i,a),i=this._points[n],a=this._points[n+1];e.lineTo(i.x,i.y),e.stroke(),e.restore()},convertPointsToSVGPath:function(e){var n=this.width/1e3;return t.util.getSmoothPathFromPoints(e,n)},_isEmptySVGPath:function(e){return t.util.joinPath(e)===`M 0 0 Q 0 0 0 0 L 0 0`},createPath:function(e){var n=new t.Path(e,{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,n.shadow=new t.Shadow(this.shadow)),n},decimatePoints:function(e,t){if(e.length<=2)return e;var n=(t/this.canvas.getZoom())**2,r,i=e.length-1,a=e[0],o=[a],s;for(r=1;r<i-1;r++)s=(a.x-e[r].x)**2+(a.y-e[r].y)**2,s>=n&&(a=e[r],o.push(a));return o.push(e[i]),o},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath(),this.decimate&&(this._points=this.decimatePoints(this._points,this.decimate));var e=this.convertPointsToSVGPath(this._points);if(this._isEmptySVGPath(e)){this.canvas.requestRenderAll();return}var t=this.createPath(e);this.canvas.clearContext(this.canvas.contextTop),this.canvas.fire(`before:path:created`,{path:t}),this.canvas.add(t),this.canvas.requestRenderAll(),t.setCoords(),this._resetShadow(),this.canvas.fire(`path:created`,{path:t})}})})(),t.CircleBrush=t.util.createClass(t.BaseBrush,{width:10,initialize:function(e){this.canvas=e,this.points=[]},drawDot:function(e){var t=this.addPoint(e),n=this.canvas.contextTop;this._saveAndTransform(n),this.dot(n,t),n.restore()},dot:function(e,t){e.fillStyle=t.fill,e.beginPath(),e.arc(t.x,t.y,t.radius,0,Math.PI*2,!1),e.closePath(),e.fill()},onMouseDown:function(e){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(e)},_render:function(){var e=this.canvas.contextTop,t,n,r=this.points;for(this._saveAndTransform(e),t=0,n=r.length;t<n;t++)this.dot(e,r[t]);e.restore()},onMouseMove:function(e){this.limitedToCanvasSize===!0&&this._isOutSideCanvas(e)||(this.needsFullRender()?(this.canvas.clearContext(this.canvas.contextTop),this.addPoint(e),this._render()):this.drawDot(e))},onMouseUp:function(){var e=this.canvas.renderOnAddRemove,n,r;this.canvas.renderOnAddRemove=!1;var i=[];for(n=0,r=this.points.length;n<r;n++){var a=this.points[n],o=new t.Circle({radius:a.radius,left:a.x,top:a.y,originX:`center`,originY:`center`,fill:a.fill});this.shadow&&(o.shadow=new t.Shadow(this.shadow)),i.push(o)}var s=new t.Group(i);s.canvas=this.canvas,this.canvas.fire(`before:path:created`,{path:s}),this.canvas.add(s),this.canvas.fire(`path:created`,{path:s}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.requestRenderAll()},addPoint:function(e){var n=new t.Point(e.x,e.y),r=t.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,i=new t.Color(this.color).setAlpha(t.util.getRandomInt(0,100)/100).toRgba();return n.radius=r,n.fill=i,this.points.push(n),n}}),t.SprayBrush=t.util.createClass(t.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(e){this.canvas=e,this.sprayChunks=[]},onMouseDown:function(e){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(e),this.render(this.sprayChunkPoints)},onMouseMove:function(e){this.limitedToCanvasSize===!0&&this._isOutSideCanvas(e)||(this.addSprayChunk(e),this.render(this.sprayChunkPoints))},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var n=[],r=0,i=this.sprayChunks.length;r<i;r++)for(var a=this.sprayChunks[r],o=0,s=a.length;o<s;o++){var c=new t.Rect({width:a[o].width,height:a[o].width,left:a[o].x+1,top:a[o].y+1,originX:`center`,originY:`center`,fill:this.color});n.push(c)}this.optimizeOverlapping&&(n=this._getOptimizedRects(n));var l=new t.Group(n);this.shadow&&l.set(`shadow`,new t.Shadow(this.shadow)),this.canvas.fire(`before:path:created`,{path:l}),this.canvas.add(l),this.canvas.fire(`path:created`,{path:l}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.requestRenderAll()},_getOptimizedRects:function(e){var t={},n,r,i;for(r=0,i=e.length;r<i;r++)n=e[r].left+``+e[r].top,t[n]||(t[n]=e[r]);var a=[];for(n in t)a.push(t[n]);return a},render:function(e){var t=this.canvas.contextTop,n,r;for(t.fillStyle=this.color,this._saveAndTransform(t),n=0,r=e.length;n<r;n++){var i=e[n];i.opacity!==void 0&&(t.globalAlpha=i.opacity),t.fillRect(i.x,i.y,i.width,i.width)}t.restore()},_render:function(){var e=this.canvas.contextTop,t,n;for(e.fillStyle=this.color,this._saveAndTransform(e),t=0,n=this.sprayChunks.length;t<n;t++)this.render(this.sprayChunks[t]);e.restore()},addSprayChunk:function(e){this.sprayChunkPoints=[];var n,r,i,a=this.width/2,o;for(o=0;o<this.density;o++){n=t.util.getRandomInt(e.x-a,e.x+a),r=t.util.getRandomInt(e.y-a,e.y+a),i=this.dotWidthVariance?t.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var s=new t.Point(n,r);s.width=i,this.randomOpacity&&(s.opacity=t.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(s)}this.sprayChunks.push(this.sprayChunkPoints)}}),t.PatternBrush=t.util.createClass(t.PencilBrush,{getPatternSrc:function(){var e=20,n=5,r=t.util.createCanvasElement(),i=r.getContext(`2d`);return r.width=r.height=e+n,i.fillStyle=this.color,i.beginPath(),i.arc(e/2,e/2,e/2,0,Math.PI*2,!1),i.closePath(),i.fill(),r},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace(`this.color`,`"`+this.color+`"`)},getPattern:function(e){return e.createPattern(this.source||this.getPatternSrc(),`repeat`)},_setBrushStyles:function(e){this.callSuper(`_setBrushStyles`,e),e.strokeStyle=this.getPattern(e)},createPath:function(e){var n=this.callSuper(`createPath`,e),r=n._getLeftTopCoords().scalarAdd(n.strokeWidth/2);return n.stroke=new t.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-r.x,offsetY:-r.y}),n}}),(function(){var e=t.util.getPointer,n=t.util.degreesToRadians,r=t.util.isTouchEvent;for(var i in t.Canvas=t.util.createClass(t.StaticCanvas,{initialize:function(e,t){t||={},this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(e,t),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=t.PencilBrush&&new t.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var e=this.getActiveObjects(),t,n,r;if(e.length>0&&!this.preserveObjectStacking){n=[],r=[];for(var i=0,a=this._objects.length;i<a;i++)t=this._objects[i],e.indexOf(t)===-1?n.push(t):r.push(t);e.length>1&&(this._activeObject._objects=r),n.push.apply(n,r)}else n=this._objects;return n},renderAll:function(){this.contextTopDirty&&!this._groupSelector&&!this.isDrawingMode&&(this.clearContext(this.contextTop),this.contextTopDirty=!1),this.hasLostContext&&=(this.renderTopLayer(this.contextTop),!1);var e=this.contextContainer;return this.renderCanvas(e,this._chooseObjectsToRender()),this},renderTopLayer:function(e){e.save(),this.isDrawingMode&&this._isCurrentlyDrawing&&(this.freeDrawingBrush&&this.freeDrawingBrush._render(),this.contextTopDirty=!0),this.selection&&this._groupSelector&&(this._drawSelection(e),this.contextTopDirty=!0),e.restore()},renderTop:function(){var e=this.contextTop;return this.clearContext(e),this.renderTopLayer(e),this.fire(`after:render`),this},_normalizePointer:function(e,n){var r=e.calcTransformMatrix(),i=t.util.invertTransform(r),a=this.restorePointerVpt(n);return t.util.transformPoint(a,i)},isTargetTransparent:function(e,n,r){if(e.shouldCache()&&e._cacheCanvas&&e!==this._activeObject){var i=this._normalizePointer(e,{x:n,y:r}),a=Math.max(e.cacheTranslationX+i.x*e.zoomX,0),o=Math.max(e.cacheTranslationY+i.y*e.zoomY,0),s=t.util.isTransparent(e._cacheContext,Math.round(a),Math.round(o),this.targetFindTolerance);return s}var c=this.contextCache,l=e.selectionBackgroundColor,u=this.viewportTransform;e.selectionBackgroundColor=``,this.clearContext(c),c.save(),c.transform(u[0],u[1],u[2],u[3],u[4],u[5]),e.render(c),c.restore(),e.selectionBackgroundColor=l;var s=t.util.isTransparent(c,n,r,this.targetFindTolerance);return s},_isSelectionKeyPressed:function(e){var t=!1;return t=Array.isArray(this.selectionKey)?!!this.selectionKey.find(function(t){return e[t]===!0}):e[this.selectionKey],t},_shouldClearSelection:function(e,t){var n=this.getActiveObjects(),r=this._activeObject;return!t||t&&r&&n.length>1&&n.indexOf(t)===-1&&r!==t&&!this._isSelectionKeyPressed(e)||t&&!t.evented||t&&!t.selectable&&r&&r!==t},_shouldCenterTransform:function(e,t,n){if(e){var r;return t===`scale`||t===`scaleX`||t===`scaleY`||t===`resizing`?r=this.centeredScaling||e.centeredScaling:t===`rotate`&&(r=this.centeredRotation||e.centeredRotation),r?!n:n}},_getOriginFromCorner:function(e,t){var n={x:e.originX,y:e.originY};return t===`ml`||t===`tl`||t===`bl`?n.x=`right`:(t===`mr`||t===`tr`||t===`br`)&&(n.x=`left`),t===`tl`||t===`mt`||t===`tr`?n.y=`bottom`:(t===`bl`||t===`mb`||t===`br`)&&(n.y=`top`),n},_getActionFromCorner:function(e,t,n,r){if(!t||!e)return`drag`;var i=r.controls[t];return i.getActionName(n,i,r)},_setupCurrentTransform:function(e,r,i){if(r){var a=this.getPointer(e),o=r.__corner,s=r.controls[o],c=i&&o?s.getActionHandler(e,r,s):t.controlsUtils.dragHandler,l=this._getActionFromCorner(i,o,e,r),u=this._getOriginFromCorner(r,o),d=e[this.centeredKey],f={target:r,action:l,actionHandler:c,corner:o,scaleX:r.scaleX,scaleY:r.scaleY,skewX:r.skewX,skewY:r.skewY,offsetX:a.x-r.left,offsetY:a.y-r.top,originX:u.x,originY:u.y,ex:a.x,ey:a.y,lastX:a.x,lastY:a.y,theta:n(r.angle),width:r.width*r.scaleX,shiftKey:e.shiftKey,altKey:d,original:t.util.saveObjectTransform(r)};this._shouldCenterTransform(r,l,d)&&(f.originX=`center`,f.originY=`center`),f.original.originX=u.x,f.original.originY=u.y,this._currentTransform=f,this._beforeTransform(e)}},setCursor:function(e){this.upperCanvasEl.style.cursor=e},_drawSelection:function(e){var n=this._groupSelector,r=new t.Point(n.ex,n.ey),i=t.util.transformPoint(r,this.viewportTransform),a=new t.Point(n.ex+n.left,n.ey+n.top),o=t.util.transformPoint(a,this.viewportTransform),s=Math.min(i.x,o.x),c=Math.min(i.y,o.y),l=Math.max(i.x,o.x),u=Math.max(i.y,o.y),d=this.selectionLineWidth/2;this.selectionColor&&(e.fillStyle=this.selectionColor,e.fillRect(s,c,l-s,u-c)),!(!this.selectionLineWidth||!this.selectionBorderColor)&&(e.lineWidth=this.selectionLineWidth,e.strokeStyle=this.selectionBorderColor,s+=d,c+=d,l-=d,u-=d,t.Object.prototype._setLineDash.call(this,e,this.selectionDashArray),e.strokeRect(s,c,l-s,u-c))},findTarget:function(e,t){if(!this.skipTargetFind){var n=this.getPointer(e,!0),i=this._activeObject,a=this.getActiveObjects(),o,s,c=r(e),l=a.length>1&&!t||a.length===1;if(this.targets=[],l&&i._findTargetCorner(n,c)||a.length>1&&!t&&i===this._searchPossibleTargets([i],n))return i;if(a.length===1&&i===this._searchPossibleTargets([i],n))if(this.preserveObjectStacking)o=i,s=this.targets,this.targets=[];else return i;var u=this._searchPossibleTargets(this._objects,n);return e[this.altSelectionKey]&&u&&o&&u!==o&&(u=o,this.targets=s),u}},_checkTarget:function(e,t,n){if(t&&t.visible&&t.evented&&t.containsPoint(e))if((this.perPixelTargetFind||t.perPixelTargetFind)&&!t.isEditing){if(!this.isTargetTransparent(t,n.x,n.y))return!0}else return!0},_searchPossibleTargets:function(e,n){for(var r,i=e.length,a;i--;){var o=e[i],s=o.group?this._normalizePointer(o.group,n):n;if(this._checkTarget(s,o,n)){r=e[i],r.subTargetCheck&&r instanceof t.Group&&(a=this._searchPossibleTargets(r._objects,n),a&&this.targets.push(a));break}}return r},restorePointerVpt:function(e){return t.util.transformPoint(e,t.util.invertTransform(this.viewportTransform))},getPointer:function(t,n){if(this._absolutePointer&&!n)return this._absolutePointer;if(this._pointer&&n)return this._pointer;var r=e(t),i=this.upperCanvasEl,a=i.getBoundingClientRect(),o=a.width||0,s=a.height||0,c;(!o||!s)&&(`top`in a&&`bottom`in a&&(s=Math.abs(a.top-a.bottom)),`right`in a&&`left`in a&&(o=Math.abs(a.right-a.left))),this.calcOffset(),r.x-=this._offset.left,r.y-=this._offset.top,n||(r=this.restorePointerVpt(r));var l=this.getRetinaScaling();return l!==1&&(r.x/=l,r.y/=l),c=o===0||s===0?{width:1,height:1}:{width:i.width/o,height:i.height/s},{x:r.x*c.width,y:r.y*c.height}},_createUpperCanvas:function(){var e=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,``),n=this.lowerCanvasEl,r=this.upperCanvasEl;r?r.className=``:(r=this._createCanvasElement(),this.upperCanvasEl=r),t.util.addClass(r,`upper-canvas `+e),this.wrapperEl.appendChild(r),this._copyCanvasStyle(n,r),this._applyCanvasStyle(r),this.contextTop=r.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=t.util.wrapElement(this.lowerCanvasEl,`div`,{class:this.containerClass}),t.util.setStyle(this.wrapperEl,{width:this.width+`px`,height:this.height+`px`,position:`relative`}),t.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(e){var n=this.width||e.width,r=this.height||e.height;t.util.setStyle(e,{position:`absolute`,width:n+`px`,height:r+`px`,left:0,top:0,"touch-action":this.allowTouchScrolling?`manipulation`:`none`,"-ms-touch-action":this.allowTouchScrolling?`manipulation`:`none`}),e.width=n,e.height=r,t.util.makeElementUnselectable(e)},_copyCanvasStyle:function(e,t){t.style.cssText=e.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var e=this._activeObject;return e?e.type===`activeSelection`&&e._objects?e._objects.slice(0):[e]:[]},_onObjectRemoved:function(e){e===this._activeObject&&(this.fire(`before:selection:cleared`,{target:e}),this._discardActiveObject(),this.fire(`selection:cleared`,{target:e}),e.fire(`deselected`)),e===this._hoveredTarget&&(this._hoveredTarget=null,this._hoveredTargets=[]),this.callSuper(`_onObjectRemoved`,e)},_fireSelectionEvents:function(e,t){var n=!1,r=this.getActiveObjects(),i=[],a=[];e.forEach(function(e){r.indexOf(e)===-1&&(n=!0,e.fire(`deselected`,{e:t,target:e}),a.push(e))}),r.forEach(function(r){e.indexOf(r)===-1&&(n=!0,r.fire(`selected`,{e:t,target:r}),i.push(r))}),e.length>0&&r.length>0?n&&this.fire(`selection:updated`,{e:t,selected:i,deselected:a}):r.length>0?this.fire(`selection:created`,{e:t,selected:i}):e.length>0&&this.fire(`selection:cleared`,{e:t,deselected:a})},setActiveObject:function(e,t){var n=this.getActiveObjects();return this._setActiveObject(e,t),this._fireSelectionEvents(n,t),this},_setActiveObject:function(e,t){return this._activeObject===e||!this._discardActiveObject(t,e)||e.onSelect({e:t})?!1:(this._activeObject=e,!0)},_discardActiveObject:function(e,t){var n=this._activeObject;if(n){if(n.onDeselect({e,object:t}))return!1;this._activeObject=null}return!0},discardActiveObject:function(e){var t=this.getActiveObjects(),n=this.getActiveObject();return t.length&&this.fire(`before:selection:cleared`,{target:n,e}),this._discardActiveObject(e),this._fireSelectionEvents(t,e),this},dispose:function(){var e=this.wrapperEl;return this.removeListeners(),e.removeChild(this.upperCanvasEl),e.removeChild(this.lowerCanvasEl),this.contextCache=null,this.contextTop=null,[`upperCanvasEl`,`cacheCanvasEl`].forEach((function(e){t.util.cleanUpJsdomNode(this[e]),this[e]=void 0}).bind(this)),e.parentNode&&e.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,t.StaticCanvas.prototype.dispose.call(this),this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper(`clear`)},drawControls:function(e){var t=this._activeObject;t&&t._renderControls(e)},_toObject:function(e,t,n){var r=this._realizeGroupTransformOnObject(e),i=this.callSuper(`_toObject`,e,t,n);return this._unwindGroupTransformOnObject(e,r),i},_realizeGroupTransformOnObject:function(e){if(e.group&&e.group.type===`activeSelection`&&this._activeObject===e.group){var n=[`angle`,`flipX`,`flipY`,`left`,`scaleX`,`scaleY`,`skewX`,`skewY`,`top`],r={};return n.forEach(function(t){r[t]=e[t]}),t.util.addTransformToObject(e,this._activeObject.calcOwnMatrix()),r}else return null},_unwindGroupTransformOnObject:function(e,t){t&&e.set(t)},_setSVGObject:function(e,t,n){var r=this._realizeGroupTransformOnObject(t);this.callSuper(`_setSVGObject`,e,t,n),this._unwindGroupTransformOnObject(t,r)},setViewportTransform:function(e){this.renderOnAddRemove&&this._activeObject&&this._activeObject.isEditing&&this._activeObject.clearContextTop(),t.StaticCanvas.prototype.setViewportTransform.call(this,e)}}),t.StaticCanvas)i!==`prototype`&&(t.Canvas[i]=t.StaticCanvas[i])})(),(function(){var e=t.util.addListener,n=t.util.removeListener,r=3,i=2,a=1,o={passive:!1};function s(e,t){return e.button&&e.button===t-1}t.util.object.extend(t.Canvas.prototype,{mainTouchId:null,_initEventListeners:function(){this.removeListeners(),this._bindEvents(),this.addOrRemove(e,`add`)},_getEventPrefix:function(){return this.enablePointerEvents?`pointer`:`mouse`},addOrRemove:function(e,n){var r=this.upperCanvasEl,i=this._getEventPrefix();e(t.window,`resize`,this._onResize),e(r,i+`down`,this._onMouseDown),e(r,i+`move`,this._onMouseMove,o),e(r,i+`out`,this._onMouseOut),e(r,i+`enter`,this._onMouseEnter),e(r,`wheel`,this._onMouseWheel),e(r,`contextmenu`,this._onContextMenu),e(r,`dblclick`,this._onDoubleClick),e(r,`dragover`,this._onDragOver),e(r,`dragenter`,this._onDragEnter),e(r,`dragleave`,this._onDragLeave),e(r,`drop`,this._onDrop),this.enablePointerEvents||e(r,`touchstart`,this._onTouchStart,o),typeof eventjs<`u`&&n in eventjs&&(eventjs[n](r,`gesture`,this._onGesture),eventjs[n](r,`drag`,this._onDrag),eventjs[n](r,`orientation`,this._onOrientationChange),eventjs[n](r,`shake`,this._onShake),eventjs[n](r,`longpress`,this._onLongPress))},removeListeners:function(){this.addOrRemove(n,`remove`);var e=this._getEventPrefix();n(t.document,e+`up`,this._onMouseUp),n(t.document,`touchend`,this._onTouchEnd,o),n(t.document,e+`move`,this._onMouseMove,o),n(t.document,`touchmove`,this._onMouseMove,o)},_bindEvents:function(){this.eventsBound||=(this._onMouseDown=this._onMouseDown.bind(this),this._onTouchStart=this._onTouchStart.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onTouchEnd=this._onTouchEnd.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this._onDragOver=this._onDragOver.bind(this),this._onDragEnter=this._simpleEventHandler.bind(this,`dragenter`),this._onDragLeave=this._simpleEventHandler.bind(this,`dragleave`),this._onDrop=this._onDrop.bind(this),!0)},_onGesture:function(e,t){this.__onTransformGesture&&this.__onTransformGesture(e,t)},_onDrag:function(e,t){this.__onDrag&&this.__onDrag(e,t)},_onMouseWheel:function(e){this.__onMouseWheel(e)},_onMouseOut:function(e){var t=this._hoveredTarget;this.fire(`mouse:out`,{target:t,e}),this._hoveredTarget=null,t&&t.fire(`mouseout`,{e});var n=this;this._hoveredTargets.forEach(function(t){n.fire(`mouse:out`,{target:t,e}),t&&t.fire(`mouseout`,{e})}),this._hoveredTargets=[]},_onMouseEnter:function(e){!this._currentTransform&&!this.findTarget(e)&&(this.fire(`mouse:over`,{target:null,e}),this._hoveredTarget=null,this._hoveredTargets=[])},_onOrientationChange:function(e,t){this.__onOrientationChange&&this.__onOrientationChange(e,t)},_onShake:function(e,t){this.__onShake&&this.__onShake(e,t)},_onLongPress:function(e,t){this.__onLongPress&&this.__onLongPress(e,t)},_onDragOver:function(e){e.preventDefault();var t=this._simpleEventHandler(`dragover`,e);this._fireEnterLeaveEvents(t,e)},_onDrop:function(e){return this._simpleEventHandler(`drop:before`,e),this._simpleEventHandler(`drop`,e)},_onContextMenu:function(e){return this.stopContextMenu&&(e.stopPropagation(),e.preventDefault()),!1},_onDoubleClick:function(e){this._cacheTransformEventData(e),this._handleEvent(e,`dblclick`),this._resetTransformEventData(e)},getPointerId:function(e){var t=e.changedTouches;return t?t[0]&&t[0].identifier:this.enablePointerEvents?e.pointerId:-1},_isMainEvent:function(e){return e.isPrimary===!0?!0:e.isPrimary===!1?!1:e.type===`touchend`&&e.touches.length===0?!0:e.changedTouches?e.changedTouches[0].identifier===this.mainTouchId:!0},_onTouchStart:function(r){r.preventDefault(),this.mainTouchId===null&&(this.mainTouchId=this.getPointerId(r)),this.__onMouseDown(r),this._resetTransformEventData();var i=this.upperCanvasEl,a=this._getEventPrefix();e(t.document,`touchend`,this._onTouchEnd,o),e(t.document,`touchmove`,this._onMouseMove,o),n(i,a+`down`,this._onMouseDown)},_onMouseDown:function(r){this.__onMouseDown(r),this._resetTransformEventData();var i=this.upperCanvasEl,a=this._getEventPrefix();n(i,a+`move`,this._onMouseMove,o),e(t.document,a+`up`,this._onMouseUp),e(t.document,a+`move`,this._onMouseMove,o)},_onTouchEnd:function(r){if(!(r.touches.length>0)){this.__onMouseUp(r),this._resetTransformEventData(),this.mainTouchId=null;var i=this._getEventPrefix();n(t.document,`touchend`,this._onTouchEnd,o),n(t.document,`touchmove`,this._onMouseMove,o);var a=this;this._willAddMouseDown&&clearTimeout(this._willAddMouseDown),this._willAddMouseDown=setTimeout(function(){e(a.upperCanvasEl,i+`down`,a._onMouseDown),a._willAddMouseDown=0},400)}},_onMouseUp:function(r){this.__onMouseUp(r),this._resetTransformEventData();var i=this.upperCanvasEl,a=this._getEventPrefix();this._isMainEvent(r)&&(n(t.document,a+`up`,this._onMouseUp),n(t.document,a+`move`,this._onMouseMove,o),e(i,a+`move`,this._onMouseMove,o))},_onMouseMove:function(e){!this.allowTouchScrolling&&e.preventDefault&&e.preventDefault(),this.__onMouseMove(e)},_onResize:function(){this.calcOffset()},_shouldRender:function(e){var t=this._activeObject;return!!t!=!!e||t&&e&&t!==e?!0:(t&&t.isEditing,!1)},__onMouseUp:function(e){var n,o=this._currentTransform,c=this._groupSelector,l=!1,u=!c||c.left===0&&c.top===0;if(this._cacheTransformEventData(e),n=this._target,this._handleEvent(e,`up:before`),s(e,r)){this.fireRightClick&&this._handleEvent(e,`up`,r,u);return}if(s(e,i)){this.fireMiddleClick&&this._handleEvent(e,`up`,i,u),this._resetTransformEventData();return}if(this.isDrawingMode&&this._isCurrentlyDrawing){this._onMouseUpInDrawingMode(e);return}if(this._isMainEvent(e)){if(o&&(this._finalizeCurrentTransform(e),l=o.actionPerformed),!u){var d=n===this._activeObject;this._maybeGroupObjects(e),l||=this._shouldRender(n)||!d&&n===this._activeObject}var f,p;if(n){if(f=n._findTargetCorner(this.getPointer(e,!0),t.util.isTouchEvent(e)),n.selectable&&n!==this._activeObject&&n.activeOn===`up`)this.setActiveObject(n,e),l=!0;else{var m=n.controls[f],h=m&&m.getMouseUpHandler(e,n,m);h&&(p=this.getPointer(e),h(e,o,p.x,p.y))}n.isMoving=!1}if(o&&(o.target!==n||o.corner!==f)){var g=o.target&&o.target.controls[o.corner],_=g&&g.getMouseUpHandler(e,n,m);p||=this.getPointer(e),_&&_(e,o,p.x,p.y)}this._setCursorFromEvent(e,n),this._handleEvent(e,`up`,a,u),this._groupSelector=null,this._currentTransform=null,n&&(n.__corner=0),l?this.requestRenderAll():u||this.renderTop()}},_simpleEventHandler:function(e,t){var n=this.findTarget(t),r=this.targets,i={e:t,target:n,subTargets:r};if(this.fire(e,i),n&&n.fire(e,i),!r)return n;for(var a=0;a<r.length;a++)r[a].fire(e,i);return n},_handleEvent:function(e,t,n,r){var i=this._target,o=this.targets||[],s={e,target:i,subTargets:o,button:n||a,isClick:r||!1,pointer:this._pointer,absolutePointer:this._absolutePointer,transform:this._currentTransform};t===`up`&&(s.currentTarget=this.findTarget(e),s.currentSubTargets=this.targets),this.fire(`mouse:`+t,s),i&&i.fire(`mouse`+t,s);for(var c=0;c<o.length;c++)o[c].fire(`mouse`+t,s)},_finalizeCurrentTransform:function(e){var t=this._currentTransform,n=t.target,r={e,target:n,transform:t,action:t.action};n._scaling&&=!1,n.setCoords(),(t.actionPerformed||this.stateful&&n.hasStateChanged())&&this._fire(`modified`,r)},_onMouseDownInDrawingMode:function(e){this._isCurrentlyDrawing=!0,this.getActiveObject()&&this.discardActiveObject(e).requestRenderAll();var t=this.getPointer(e);this.freeDrawingBrush.onMouseDown(t,{e,pointer:t}),this._handleEvent(e,`down`)},_onMouseMoveInDrawingMode:function(e){if(this._isCurrentlyDrawing){var t=this.getPointer(e);this.freeDrawingBrush.onMouseMove(t,{e,pointer:t})}this.setCursor(this.freeDrawingCursor),this._handleEvent(e,`move`)},_onMouseUpInDrawingMode:function(e){var t=this.getPointer(e);this._isCurrentlyDrawing=this.freeDrawingBrush.onMouseUp({e,pointer:t}),this._handleEvent(e,`up`)},__onMouseDown:function(e){this._cacheTransformEventData(e),this._handleEvent(e,`down:before`);var n=this._target;if(s(e,r)){this.fireRightClick&&this._handleEvent(e,`down`,r);return}if(s(e,i)){this.fireMiddleClick&&this._handleEvent(e,`down`,i);return}if(this.isDrawingMode){this._onMouseDownInDrawingMode(e);return}if(this._isMainEvent(e)&&!this._currentTransform){var a=this._pointer;this._previousPointer=a;var o=this._shouldRender(n),c=this._shouldGroup(e,n);if(this._shouldClearSelection(e,n)?this.discardActiveObject(e):c&&(this._handleGrouping(e,n),n=this._activeObject),this.selection&&(!n||!n.selectable&&!n.isEditing&&n!==this._activeObject)&&(this._groupSelector={ex:this._absolutePointer.x,ey:this._absolutePointer.y,top:0,left:0}),n){var l=n===this._activeObject;n.selectable&&n.activeOn===`down`&&this.setActiveObject(n,e);var u=n._findTargetCorner(this.getPointer(e,!0),t.util.isTouchEvent(e));if(n.__corner=u,n===this._activeObject&&(u||!c)){this._setupCurrentTransform(e,n,l);var d=n.controls[u],a=this.getPointer(e),f=d&&d.getMouseDownHandler(e,n,d);f&&f(e,this._currentTransform,a.x,a.y)}}this._handleEvent(e,`down`),(o||c)&&this.requestRenderAll()}},_resetTransformEventData:function(){this._target=null,this._pointer=null,this._absolutePointer=null},_cacheTransformEventData:function(e){this._resetTransformEventData(),this._pointer=this.getPointer(e,!0),this._absolutePointer=this.restorePointerVpt(this._pointer),this._target=this._currentTransform?this._currentTransform.target:this.findTarget(e)||null},_beforeTransform:function(e){var t=this._currentTransform;this.stateful&&t.target.saveState(),this.fire(`before:transform`,{e,transform:t})},__onMouseMove:function(e){this._handleEvent(e,`move:before`),this._cacheTransformEventData(e);var t,n;if(this.isDrawingMode){this._onMouseMoveInDrawingMode(e);return}if(this._isMainEvent(e)){var r=this._groupSelector;r?(n=this._absolutePointer,r.left=n.x-r.ex,r.top=n.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(e):(t=this.findTarget(e)||null,this._setCursorFromEvent(e,t),this._fireOverOutEvents(t,e)),this._handleEvent(e,`move`),this._resetTransformEventData()}},_fireOverOutEvents:function(e,t){var n=this._hoveredTarget,r=this._hoveredTargets,i=this.targets,a=Math.max(r.length,i.length);this.fireSyntheticInOutEvents(e,t,{oldTarget:n,evtOut:`mouseout`,canvasEvtOut:`mouse:out`,evtIn:`mouseover`,canvasEvtIn:`mouse:over`});for(var o=0;o<a;o++)this.fireSyntheticInOutEvents(i[o],t,{oldTarget:r[o],evtOut:`mouseout`,evtIn:`mouseover`});this._hoveredTarget=e,this._hoveredTargets=this.targets.concat()},_fireEnterLeaveEvents:function(e,t){var n=this._draggedoverTarget,r=this._hoveredTargets,i=this.targets,a=Math.max(r.length,i.length);this.fireSyntheticInOutEvents(e,t,{oldTarget:n,evtOut:`dragleave`,evtIn:`dragenter`});for(var o=0;o<a;o++)this.fireSyntheticInOutEvents(i[o],t,{oldTarget:r[o],evtOut:`dragleave`,evtIn:`dragenter`});this._draggedoverTarget=e},fireSyntheticInOutEvents:function(e,t,n){var r,i,a=n.oldTarget,o,s,c=a!==e,l=n.canvasEvtIn,u=n.canvasEvtOut;c&&(r={e:t,target:e,previousTarget:a},i={e:t,target:a,nextTarget:e}),s=e&&c,o=a&&c,o&&(u&&this.fire(u,i),a.fire(n.evtOut,i)),s&&(l&&this.fire(l,r),e.fire(n.evtIn,r))},__onMouseWheel:function(e){this._cacheTransformEventData(e),this._handleEvent(e,`wheel`),this._resetTransformEventData()},_transformObject:function(e){var t=this.getPointer(e),n=this._currentTransform;n.reset=!1,n.shiftKey=e.shiftKey,n.altKey=e[this.centeredKey],this._performTransformAction(e,n,t),n.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(e,t,n){var r=n.x,i=n.y,a=t.action,o=!1,s=t.actionHandler;s&&(o=s(e,t,r,i)),a===`drag`&&o&&(t.target.isMoving=!0,this.setCursor(t.target.moveCursor||this.moveCursor)),t.actionPerformed=t.actionPerformed||o},_fire:t.controlsUtils.fireEvent,_setCursorFromEvent:function(e,t){if(!t)return this.setCursor(this.defaultCursor),!1;var n=t.hoverCursor||this.hoverCursor,r=this._activeObject&&this._activeObject.type===`activeSelection`?this._activeObject:null,i=(!r||!r.contains(t))&&t._findTargetCorner(this.getPointer(e,!0));i?this.setCursor(this.getCornerCursor(i,t,e)):(t.subTargetCheck&&this.targets.concat().reverse().map(function(e){n=e.hoverCursor||n}),this.setCursor(n))},getCornerCursor:function(e,t,n){var r=t.controls[e];return r.cursorStyleHandler(n,r,t)}})})(),(function(){var e=Math.min,n=Math.max;t.util.object.extend(t.Canvas.prototype,{_shouldGroup:function(e,t){var n=this._activeObject;return n&&this._isSelectionKeyPressed(e)&&t&&t.selectable&&this.selection&&(n!==t||n.type===`activeSelection`)&&!t.onSelect({e})},_handleGrouping:function(e,t){var n=this._activeObject;n.__corner||t===n&&(t=this.findTarget(e,!0),!t||!t.selectable)||(n&&n.type===`activeSelection`?this._updateActiveSelection(t,e):this._createActiveSelection(t,e))},_updateActiveSelection:function(e,t){var n=this._activeObject,r=n._objects.slice(0);n.contains(e)?(n.removeWithUpdate(e),this._hoveredTarget=e,this._hoveredTargets=this.targets.concat(),n.size()===1&&this._setActiveObject(n.item(0),t)):(n.addWithUpdate(e),this._hoveredTarget=n,this._hoveredTargets=this.targets.concat()),this._fireSelectionEvents(r,t)},_createActiveSelection:function(e,t){var n=this.getActiveObjects(),r=this._createGroup(e);this._hoveredTarget=r,this._setActiveObject(r,t),this._fireSelectionEvents(n,t)},_createGroup:function(e){var n=this._objects,r=n.indexOf(this._activeObject)<n.indexOf(e)?[this._activeObject,e]:[e,this._activeObject];return this._activeObject.isEditing&&this._activeObject.exitEditing(),new t.ActiveSelection(r,{canvas:this})},_groupSelectedObjects:function(e){var n=this._collectObjects(e),r;n.length===1?this.setActiveObject(n[0],e):n.length>1&&(r=new t.ActiveSelection(n.reverse(),{canvas:this}),this.setActiveObject(r,e))},_collectObjects:function(r){for(var i=[],a,o=this._groupSelector.ex,s=this._groupSelector.ey,c=o+this._groupSelector.left,l=s+this._groupSelector.top,u=new t.Point(e(o,c),e(s,l)),d=new t.Point(n(o,c),n(s,l)),f=!this.selectionFullyContained,p=o===c&&s===l,m=this._objects.length;m--&&(a=this._objects[m],!(!(!a||!a.selectable||!a.visible)&&(f&&a.intersectsWithRect(u,d,!0)||a.isContainedWithinRect(u,d,!0)||f&&a.containsPoint(u,null,!0)||f&&a.containsPoint(d,null,!0))&&(i.push(a),p))););return i.length>1&&(i=i.filter(function(e){return!e.onSelect({e:r})})),i},_maybeGroupObjects:function(e){this.selection&&this._groupSelector&&this._groupSelectedObjects(e),this.setCursor(this.defaultCursor),this._groupSelector=null}})})(),(function(){t.util.object.extend(t.StaticCanvas.prototype,{toDataURL:function(e){e||={};var n=e.format||`png`,r=e.quality||1,i=(e.multiplier||1)*(e.enableRetinaScaling?this.getRetinaScaling():1),a=this.toCanvasElement(i,e);return t.util.toDataURL(a,n,r)},toCanvasElement:function(e,n){e||=1,n||={};var r=(n.width||this.width)*e,i=(n.height||this.height)*e,a=this.getZoom(),o=this.width,s=this.height,c=a*e,l=this.viewportTransform,u=(l[4]-(n.left||0))*e,d=(l[5]-(n.top||0))*e,f=this.interactive,p=[c,0,0,c,u,d],m=this.enableRetinaScaling,h=t.util.createCanvasElement(),g=this.contextTop;return h.width=r,h.height=i,this.contextTop=null,this.enableRetinaScaling=!1,this.interactive=!1,this.viewportTransform=p,this.width=r,this.height=i,this.calcViewportBoundaries(),this.renderCanvas(h.getContext(`2d`),this._objects),this.viewportTransform=l,this.width=o,this.height=s,this.calcViewportBoundaries(),this.interactive=f,this.enableRetinaScaling=m,this.contextTop=g,h}})})(),t.util.object.extend(t.StaticCanvas.prototype,{loadFromJSON:function(e,n,r){if(e){var i=typeof e==`string`?JSON.parse(e):t.util.object.clone(e),a=this,o=i.clipPath,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,delete i.clipPath,this._enlivenObjects(i.objects,function(e){a.clear(),a._setBgOverlay(i,function(){o?a._enlivenObjects([o],function(t){a.clipPath=t[0],a.__setupCanvas.call(a,i,e,s,n)}):a.__setupCanvas.call(a,i,e,s,n)})},r),this}},__setupCanvas:function(e,t,n,r){var i=this;t.forEach(function(e,t){i.insertAt(e,t)}),this.renderOnAddRemove=n,delete e.objects,delete e.backgroundImage,delete e.overlayImage,delete e.background,delete e.overlay,this._setOptions(e),this.renderAll(),r&&r()},_setBgOverlay:function(e,t){var n={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!e.backgroundImage&&!e.overlayImage&&!e.background&&!e.overlay){t&&t();return}var r=function(){n.backgroundImage&&n.overlayImage&&n.backgroundColor&&n.overlayColor&&t&&t()};this.__setBgOverlay(`backgroundImage`,e.backgroundImage,n,r),this.__setBgOverlay(`overlayImage`,e.overlayImage,n,r),this.__setBgOverlay(`backgroundColor`,e.background,n,r),this.__setBgOverlay(`overlayColor`,e.overlay,n,r)},__setBgOverlay:function(e,n,r,i){var a=this;if(!n){r[e]=!0,i&&i();return}e===`backgroundImage`||e===`overlayImage`?t.util.enlivenObjects([n],function(t){a[e]=t[0],r[e]=!0,i&&i()}):this[`set`+t.util.string.capitalize(e,!0)](n,function(){r[e]=!0,i&&i()})},_enlivenObjects:function(e,n,r){if(!e||e.length===0){n&&n([]);return}t.util.enlivenObjects(e,function(e){n&&n(e)},null,r)},_toDataURL:function(e,t){this.clone(function(n){t(n.toDataURL(e))})},_toDataURLWithMultiplier:function(e,t,n){this.clone(function(r){n(r.toDataURLWithMultiplier(e,t))})},clone:function(e,t){var n=JSON.stringify(this.toJSON(t));this.cloneWithoutData(function(t){t.loadFromJSON(n,function(){e&&e(t)})})},cloneWithoutData:function(e){var n=t.util.createCanvasElement();n.width=this.width,n.height=this.height;var r=new t.Canvas(n);this.backgroundImage?(r.setBackgroundImage(this.backgroundImage.src,function(){r.renderAll(),e&&e(r)}),r.backgroundImageOpacity=this.backgroundImageOpacity,r.backgroundImageStretch=this.backgroundImageStretch):e&&e(r)}}),(function(e){var t=e.fabric||={},n=t.util.object.extend,r=t.util.object.clone,i=t.util.toFixed,a=t.util.string.capitalize,o=t.util.degreesToRadians,s=!t.isLikelyNode,c=2;t.Object||(t.Object=t.util.createClass(t.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:s,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(e){e&&this.setOptions(e)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=t.util.createCanvasElement(),this._cacheContext=this._cacheCanvas.getContext(`2d`),this._updateCacheCanvas(),this.dirty=!0},_limitCacheSize:function(e){var n=t.perfLimitSizeTotal,r=e.width,i=e.height,a=t.maxCacheSideLimit,o=t.minCacheSideLimit;if(r<=a&&i<=a&&r*i<=n)return r<o&&(e.width=o),i<o&&(e.height=o),e;var s=r/i,c=t.util.limitDimsByArea(s,n),l=t.util.capValue,u=l(o,c.x,a),d=l(o,c.y,a);return r>u&&(e.zoomX/=r/u,e.width=u,e.capped=!0),i>d&&(e.zoomY/=i/d,e.height=d,e.capped=!0),e},_getCacheCanvasDimensions:function(){var e=this.getTotalObjectScaling(),t=this._getTransformedDimensions(0,0),n=t.x*e.scaleX/this.scaleX,r=t.y*e.scaleY/this.scaleY;return{width:Math.ceil(n+c),height:Math.ceil(r+c),zoomX:e.scaleX,zoomY:e.scaleY,x:n,y:r}},_updateCacheCanvas:function(){var e=this.canvas;if(this.noScaleCache&&e&&e._currentTransform){var t=e._currentTransform.target,n=e._currentTransform.action;if(this===t&&n.slice&&n.slice(0,5)===`scale`)return!1}var r=this._cacheCanvas,i=this._limitCacheSize(this._getCacheCanvasDimensions()),a=i.width,o=i.height,s,c,l=i.zoomX,u=i.zoomY,d=a!==this.cacheWidth||o!==this.cacheHeight,f=this.zoomX!==l||this.zoomY!==u;return d||f?(d?(r.width=a,r.height=o):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,r.width,r.height)),s=i.x/2,c=i.y/2,this.cacheTranslationX=Math.round(r.width/2-s)+s,this.cacheTranslationY=Math.round(r.height/2-c)+c,this.cacheWidth=a,this.cacheHeight=o,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(l,u),this.zoomX=l,this.zoomY=u,!0):!1},setOptions:function(e){this._setOptions(e),this._initGradient(e.fill,`fill`),this._initGradient(e.stroke,`stroke`),this._initPattern(e.fill,`fill`),this._initPattern(e.stroke,`stroke`)},transform:function(e){var t=this.group&&!this.group._transformDone||this.group&&this.canvas&&e===this.canvas.contextTop,n=this.calcTransformMatrix(!t);e.transform(n[0],n[1],n[2],n[3],n[4],n[5])},toObject:function(e){var n=t.Object.NUM_FRACTION_DIGITS,r={type:this.type,version:t.version,originX:this.originX,originY:this.originY,left:i(this.left,n),top:i(this.top,n),width:i(this.width,n),height:i(this.height,n),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:i(this.strokeWidth,n),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeDashOffset:this.strokeDashOffset,strokeLineJoin:this.strokeLineJoin,strokeUniform:this.strokeUniform,strokeMiterLimit:i(this.strokeMiterLimit,n),scaleX:i(this.scaleX,n),scaleY:i(this.scaleY,n),angle:i(this.angle,n),flipX:this.flipX,flipY:this.flipY,opacity:i(this.opacity,n),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:i(this.skewX,n),skewY:i(this.skewY,n)};return this.clipPath&&!this.clipPath.excludeFromExport&&(r.clipPath=this.clipPath.toObject(e),r.clipPath.inverted=this.clipPath.inverted,r.clipPath.absolutePositioned=this.clipPath.absolutePositioned),t.util.populateWithProperties(this,r,e),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(e){return this.toObject(e)},_removeDefaultValues:function(e){var n=t.util.getKlass(e.type).prototype;return n.stateProperties.forEach(function(t){t===`left`||t===`top`||(e[t]===n[t]&&delete e[t],Array.isArray(e[t])&&Array.isArray(n[t])&&e[t].length===0&&n[t].length===0&&delete e[t])}),e},toString:function(){return`#<fabric.`+a(this.type)+`>`},getObjectScaling:function(){if(!this.group)return{scaleX:this.scaleX,scaleY:this.scaleY};var e=t.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(e.scaleX),scaleY:Math.abs(e.scaleY)}},getTotalObjectScaling:function(){var e=this.getObjectScaling(),t=e.scaleX,n=e.scaleY;if(this.canvas){var r=this.canvas.getZoom(),i=this.canvas.getRetinaScaling();t*=r*i,n*=r*i}return{scaleX:t,scaleY:n}},getObjectOpacity:function(){var e=this.opacity;return this.group&&(e*=this.group.getObjectOpacity()),e},_set:function(e,n){var r=e===`scaleX`||e===`scaleY`,i=this[e]!==n,a=!1;return r&&(n=this._constrainScale(n)),e===`scaleX`&&n<0?(this.flipX=!this.flipX,n*=-1):e===`scaleY`&&n<0?(this.flipY=!this.flipY,n*=-1):e===`shadow`&&n&&!(n instanceof t.Shadow)?n=new t.Shadow(n):e===`dirty`&&this.group&&this.group.set(`dirty`,n),this[e]=n,i&&(a=this.group&&this.group.isOnACache(),this.cacheProperties.indexOf(e)>-1?(this.dirty=!0,a&&this.group.set(`dirty`,!0)):a&&this.stateProperties.indexOf(e)>-1&&this.group.set(`dirty`,!0)),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:t.iMatrix.concat()},isNotVisible:function(){return this.opacity===0||!this.width&&!this.height&&this.strokeWidth===0||!this.visible},render:function(e){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(e.save(),this._setupCompositeOperation(e),this.drawSelectionBackground(e),this.transform(e),this._setOpacity(e),this._setShadow(e,this),this.shouldCache()?(this.renderCache(),this.drawCacheOnCanvas(e)):(this._removeCacheCanvas(),this.dirty=!1,this.drawObject(e),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:`cacheProperties`})),e.restore())},renderCache:function(e){e||={},(!this._cacheCanvas||!this._cacheContext)&&this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:`cacheProperties`}),this.drawObject(this._cacheContext,e.forClipping),this.dirty=!1)},_removeCacheCanvas:function(){this._cacheCanvas=null,this._cacheContext=null,this.cacheWidth=0,this.cacheHeight=0},hasStroke:function(){return this.stroke&&this.stroke!==`transparent`&&this.strokeWidth!==0},hasFill:function(){return this.fill&&this.fill!==`transparent`},needsItsOwnCache:function(){return!!(this.paintFirst===`stroke`&&this.hasFill()&&this.hasStroke()&&typeof this.shadow==`object`||this.clipPath)},shouldCache:function(){return this.ownCaching=this.needsItsOwnCache()||this.objectCaching&&(!this.group||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(this.shadow.offsetX!==0||this.shadow.offsetY!==0)},drawClipPathOnCache:function(e,n){if(e.save(),n.inverted?e.globalCompositeOperation=`destination-out`:e.globalCompositeOperation=`destination-in`,n.absolutePositioned){var r=t.util.invertTransform(this.calcTransformMatrix());e.transform(r[0],r[1],r[2],r[3],r[4],r[5])}n.transform(e),e.scale(1/n.zoomX,1/n.zoomY),e.drawImage(n._cacheCanvas,-n.cacheTranslationX,-n.cacheTranslationY),e.restore()},drawObject:function(e,t){var n=this.fill,r=this.stroke;t?(this.fill=`black`,this.stroke=``,this._setClippingProperties(e)):this._renderBackground(e),this._render(e),this._drawClipPath(e,this.clipPath),this.fill=n,this.stroke=r},_drawClipPath:function(e,t){t&&(t.canvas=this.canvas,t.shouldCache(),t._transformDone=!0,t.renderCache({forClipping:!0}),this.drawClipPathOnCache(e,t))},drawCacheOnCanvas:function(e){e.scale(1/this.zoomX,1/this.zoomY),e.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(e){if(this.isNotVisible())return!1;if(this._cacheCanvas&&this._cacheContext&&!e&&this._updateCacheCanvas())return!0;if(this.dirty||this.clipPath&&this.clipPath.absolutePositioned||this.statefullCache&&this.hasStateChanged(`cacheProperties`)){if(this._cacheCanvas&&this._cacheContext&&!e){var t=this.cacheWidth/this.zoomX,n=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-t/2,-n/2,t,n)}return!0}return!1},_renderBackground:function(e){if(this.backgroundColor){var t=this._getNonTransformedDimensions();e.fillStyle=this.backgroundColor,e.fillRect(-t.x/2,-t.y/2,t.x,t.y),this._removeShadow(e)}},_setOpacity:function(e){this.group&&!this.group._transformDone?e.globalAlpha=this.getObjectOpacity():e.globalAlpha*=this.opacity},_setStrokeStyles:function(e,t){var n=t.stroke;n&&(e.lineWidth=t.strokeWidth,e.lineCap=t.strokeLineCap,e.lineDashOffset=t.strokeDashOffset,e.lineJoin=t.strokeLineJoin,e.miterLimit=t.strokeMiterLimit,n.toLive?n.gradientUnits===`percentage`||n.gradientTransform||n.patternTransform?this._applyPatternForTransformedGradient(e,n):(e.strokeStyle=n.toLive(e,this),this._applyPatternGradientTransform(e,n)):e.strokeStyle=t.stroke)},_setFillStyles:function(e,t){var n=t.fill;n&&(n.toLive?(e.fillStyle=n.toLive(e,this),this._applyPatternGradientTransform(e,t.fill)):e.fillStyle=n)},_setClippingProperties:function(e){e.globalAlpha=1,e.strokeStyle=`transparent`,e.fillStyle=`#000000`},_setLineDash:function(e,t){!t||t.length===0||(1&t.length&&t.push.apply(t,t),e.setLineDash(t))},_renderControls:function(e,n){var r=this.getViewportTransform(),i=this.calcTransformMatrix(),a,s,c;n||={},s=n.hasBorders===void 0?this.hasBorders:n.hasBorders,c=n.hasControls===void 0?this.hasControls:n.hasControls,i=t.util.multiplyTransformMatrices(r,i),a=t.util.qrDecompose(i),e.save(),e.translate(a.translateX,a.translateY),e.lineWidth=1*this.borderScaleFactor,this.group||(e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.flipX&&(a.angle-=180),e.rotate(o(this.group?a.angle:this.angle)),n.forActiveSelection||this.group?s&&this.drawBordersInGroup(e,a,n):s&&this.drawBorders(e,n),c&&this.drawControls(e,n),e.restore()},_setShadow:function(e){if(this.shadow){var n=this.shadow,r=this.canvas,i,a=r&&r.viewportTransform[0]||1,o=r&&r.viewportTransform[3]||1;i=n.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),r&&r._isRetinaScaling()&&(a*=t.devicePixelRatio,o*=t.devicePixelRatio),e.shadowColor=n.color,e.shadowBlur=n.blur*t.browserShadowBlurConstant*(a+o)*(i.scaleX+i.scaleY)/4,e.shadowOffsetX=n.offsetX*a*i.scaleX,e.shadowOffsetY=n.offsetY*o*i.scaleY}},_removeShadow:function(e){this.shadow&&(e.shadowColor=``,e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0)},_applyPatternGradientTransform:function(e,t){if(!t||!t.toLive)return{offsetX:0,offsetY:0};var n=t.gradientTransform||t.patternTransform,r=-this.width/2+t.offsetX||0,i=-this.height/2+t.offsetY||0;return t.gradientUnits===`percentage`?e.transform(this.width,0,0,this.height,r,i):e.transform(1,0,0,1,r,i),n&&e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),{offsetX:r,offsetY:i}},_renderPaintInOrder:function(e){this.paintFirst===`stroke`?(this._renderStroke(e),this._renderFill(e)):(this._renderFill(e),this._renderStroke(e))},_render:function(){},_renderFill:function(e){this.fill&&(e.save(),this._setFillStyles(e,this),this.fillRule===`evenodd`?e.fill(`evenodd`):e.fill(),e.restore())},_renderStroke:function(e){if(!(!this.stroke||this.strokeWidth===0)){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e),e.save(),this.strokeUniform&&this.group){var t=this.getObjectScaling();e.scale(1/t.scaleX,1/t.scaleY)}else this.strokeUniform&&e.scale(1/this.scaleX,1/this.scaleY);this._setLineDash(e,this.strokeDashArray),this._setStrokeStyles(e,this),e.stroke(),e.restore()}},_applyPatternForTransformedGradient:function(e,n){var r=this._limitCacheSize(this._getCacheCanvasDimensions()),i=t.util.createCanvasElement(),a,o=this.canvas.getRetinaScaling(),s=r.x/this.scaleX/o,c=r.y/this.scaleY/o;i.width=Math.ceil(s),i.height=Math.ceil(c),a=i.getContext(`2d`),a.beginPath(),a.moveTo(0,0),a.lineTo(s,0),a.lineTo(s,c),a.lineTo(0,c),a.closePath(),a.translate(s/2,c/2),a.scale(r.zoomX/this.scaleX/o,r.zoomY/this.scaleY/o),this._applyPatternGradientTransform(a,n),a.fillStyle=n.toLive(e),a.fill(),e.translate(-this.width/2-this.strokeWidth/2,-this.height/2-this.strokeWidth/2),e.scale(o*this.scaleX/r.zoomX,o*this.scaleY/r.zoomY),e.strokeStyle=a.createPattern(i,`no-repeat`)},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var e=t.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set(`scaleX`,e.scaleX),this.set(`scaleY`,e.scaleY),this.angle=e.angle,this.skewX=e.skewX,this.skewY=0}},_removeTransformMatrix:function(e){var n=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),n=t.util.transformPoint(n,this.transformMatrix)),this.transformMatrix=null,e&&(this.scaleX*=e.scaleX,this.scaleY*=e.scaleY,this.cropX=e.cropX,this.cropY=e.cropY,n.x+=e.offsetLeft,n.y+=e.offsetTop,this.width=e.width,this.height=e.height),this.setPositionByOrigin(n,`center`,`center`)},clone:function(e,n){var r=this.toObject(n);this.constructor.fromObject?this.constructor.fromObject(r,e):t.Object._fromObject(`Object`,r,e)},cloneAsImage:function(e,n){var r=this.toCanvasElement(n);return e&&e(new t.Image(r)),this},toCanvasElement:function(e){e||={};var n=t.util,r=n.saveObjectTransform(this),i=this.group,a=this.shadow,o=Math.abs,s=(e.multiplier||1)*(e.enableRetinaScaling?t.devicePixelRatio:1);delete this.group,e.withoutTransform&&n.resetObjectTransform(this),e.withoutShadow&&(this.shadow=null);var c=t.util.createCanvasElement(),l=this.getBoundingRect(!0,!0),u=this.shadow,d,f={x:0,y:0},p,m,h;u&&(p=u.blur,d=u.nonScaling?{scaleX:1,scaleY:1}:this.getObjectScaling(),f.x=2*Math.round(o(u.offsetX)+p)*o(d.scaleX),f.y=2*Math.round(o(u.offsetY)+p)*o(d.scaleY)),m=l.width+f.x,h=l.height+f.y,c.width=Math.ceil(m),c.height=Math.ceil(h);var g=new t.StaticCanvas(c,{enableRetinaScaling:!1,renderOnAddRemove:!1,skipOffscreen:!1});e.format===`jpeg`&&(g.backgroundColor=`#fff`),this.setPositionByOrigin(new t.Point(g.width/2,g.height/2),`center`,`center`);var _=this.canvas;g.add(this);var v=g.toCanvasElement(s||1,e);return this.shadow=a,this.set(`canvas`,_),i&&(this.group=i),this.set(r).setCoords(),g._objects=[],g.dispose(),g=null,v},toDataURL:function(e){return e||={},t.util.toDataURL(this.toCanvasElement(e),e.format||`png`,e.quality||1)},isType:function(e){return arguments.length>1?Array.from(arguments).includes(this.type):this.type===e},complexity:function(){return 1},toJSON:function(e){return this.toObject(e)},rotate:function(e){var t=(this.originX!==`center`||this.originY!==`center`)&&this.centeredRotation;return t&&this._setOriginToCenter(),this.set(`angle`,e),t&&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(e,n){n||=this.canvas.getPointer(e);var r=new t.Point(n.x,n.y),i=this._getLeftTopCoords();return this.angle&&(r=t.util.rotatePoint(r,i,o(-this.angle))),{x:r.x-i.x,y:r.y-i.y}},_setupCompositeOperation:function(e){this.globalCompositeOperation&&(e.globalCompositeOperation=this.globalCompositeOperation)},dispose:function(){t.runningAnimations&&t.runningAnimations.cancelByTarget(this)}}),t.util.createAccessors&&t.util.createAccessors(t.Object),n(t.Object.prototype,t.Observable),t.Object.NUM_FRACTION_DIGITS=2,t.Object.ENLIVEN_PROPS=[`clipPath`],t.Object._fromObject=function(e,n,i,a){var o=t[e];n=r(n,!0),t.util.enlivenPatterns([n.fill,n.stroke],function(e){e[0]!==void 0&&(n.fill=e[0]),e[1]!==void 0&&(n.stroke=e[1]),t.util.enlivenObjectEnlivables(n,n,function(){var e=a?new o(n[a],n):new o(n);i&&i(e)})})},t.Object.__uid=0)})(e),(function(){var e=t.util.degreesToRadians,n={left:-.5,center:0,right:.5},r={top:-.5,center:0,bottom:.5};t.util.object.extend(t.Object.prototype,{translateToGivenOrigin:function(e,i,a,o,s){var c=e.x,l=e.y,u,d,f;return typeof i==`string`?i=n[i]:i-=.5,typeof o==`string`?o=n[o]:o-=.5,u=o-i,typeof a==`string`?a=r[a]:a-=.5,typeof s==`string`?s=r[s]:s-=.5,d=s-a,(u||d)&&(f=this._getTransformedDimensions(),c=e.x+u*f.x,l=e.y+d*f.y),new t.Point(c,l)},translateToCenterPoint:function(n,r,i){var a=this.translateToGivenOrigin(n,r,i,`center`,`center`);return this.angle?t.util.rotatePoint(a,n,e(this.angle)):a},translateToOriginPoint:function(n,r,i){var a=this.translateToGivenOrigin(n,`center`,`center`,r,i);return this.angle?t.util.rotatePoint(a,n,e(this.angle)):a},getCenterPoint:function(){var e=new t.Point(this.left,this.top);return this.translateToCenterPoint(e,this.originX,this.originY)},getPointByOrigin:function(e,t){var n=this.getCenterPoint();return this.translateToOriginPoint(n,e,t)},toLocalPoint:function(n,r,i){var a=this.getCenterPoint(),o=r!==void 0&&i!==void 0?this.translateToGivenOrigin(a,`center`,`center`,r,i):new t.Point(this.left,this.top),s=new t.Point(n.x,n.y);return this.angle&&(s=t.util.rotatePoint(s,a,-e(this.angle))),s.subtractEquals(o)},setPositionByOrigin:function(e,t,n){var r=this.translateToCenterPoint(e,t,n),i=this.translateToOriginPoint(r,this.originX,this.originY);this.set(`left`,i.x),this.set(`top`,i.y)},adjustPosition:function(r){var i=e(this.angle),a=this.getScaledWidth(),o=t.util.cos(i)*a,s=t.util.sin(i)*a,c=typeof this.originX==`string`?n[this.originX]:this.originX-.5,l=typeof r==`string`?n[r]:r-.5;this.left+=o*(l-c),this.top+=s*(l-c),this.setCoords(),this.originX=r},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var e=this.getCenterPoint();this.originX=`center`,this.originY=`center`,this.left=e.x,this.top=e.y},_resetOrigin:function(){var e=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=e.x,this.top=e.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),`left`,`top`)}})})(),(function(){function e(e){return[new t.Point(e.tl.x,e.tl.y),new t.Point(e.tr.x,e.tr.y),new t.Point(e.br.x,e.br.y),new t.Point(e.bl.x,e.bl.y)]}var n=t.util,r=n.degreesToRadians,i=n.multiplyTransformMatrices,a=n.transformPoint;n.object.extend(t.Object.prototype,{oCoords:null,aCoords:null,lineCoords:null,ownMatrixCache:null,matrixCache:null,controls:{},_getCoords:function(e,t){return t?e?this.calcACoords():this.calcLineCoords():((!this.aCoords||!this.lineCoords)&&this.setCoords(!0),e?this.aCoords:this.lineCoords)},getCoords:function(t,n){return e(this._getCoords(t,n))},intersectsWithRect:function(e,n,r,i){var a=this.getCoords(r,i);return t.Intersection.intersectPolygonRectangle(a,e,n).status===`Intersection`},intersectsWithObject:function(e,n,r){return t.Intersection.intersectPolygonPolygon(this.getCoords(n,r),e.getCoords(n,r)).status===`Intersection`||e.isContainedWithinObject(this,n,r)||this.isContainedWithinObject(e,n,r)},isContainedWithinObject:function(e,t,n){for(var r=this.getCoords(t,n),i=t?e.aCoords:e.lineCoords,a=0,o=e._getImageLines(i);a<4;a++)if(!e.containsPoint(r[a],o))return!1;return!0},isContainedWithinRect:function(e,t,n,r){var i=this.getBoundingRect(n,r);return i.left>=e.x&&i.left+i.width<=t.x&&i.top>=e.y&&i.top+i.height<=t.y},containsPoint:function(e,t,n,r){var i=this._getCoords(n,r),t=t||this._getImageLines(i),a=this._findCrossPoints(e,t);return a!==0&&a%2==1},isOnScreen:function(e){if(!this.canvas)return!1;var t=this.canvas.vptCoords.tl,n=this.canvas.vptCoords.br;return this.getCoords(!0,e).some(function(e){return e.x<=n.x&&e.x>=t.x&&e.y<=n.y&&e.y>=t.y})||this.intersectsWithRect(t,n,!0,e)?!0:this._containsCenterOfCanvas(t,n,e)},_containsCenterOfCanvas:function(e,t,n){var r={x:(e.x+t.x)/2,y:(e.y+t.y)/2};return!!this.containsPoint(r,null,!0,n)},isPartiallyOnScreen:function(e){if(!this.canvas)return!1;var t=this.canvas.vptCoords.tl,n=this.canvas.vptCoords.br;return this.intersectsWithRect(t,n,!0,e)?!0:this.getCoords(!0,e).every(function(e){return(e.x>=n.x||e.x<=t.x)&&(e.y>=n.y||e.y<=t.y)})&&this._containsCenterOfCanvas(t,n,e)},_getImageLines:function(e){return{topline:{o:e.tl,d:e.tr},rightline:{o:e.tr,d:e.br},bottomline:{o:e.br,d:e.bl},leftline:{o:e.bl,d:e.tl}}},_findCrossPoints:function(e,t){var n,r,i,a,o,s=0,c;for(var l in t)if(c=t[l],!(c.o.y<e.y&&c.d.y<e.y)&&!(c.o.y>=e.y&&c.d.y>=e.y)&&(c.o.x===c.d.x&&c.o.x>=e.x?o=c.o.x:(n=0,r=(c.d.y-c.o.y)/(c.d.x-c.o.x),i=e.y-n*e.x,a=c.o.y-r*c.o.x,o=-(i-a)/(n-r)),o>=e.x&&(s+=1),s===2))break;return s},getBoundingRect:function(e,t){var r=this.getCoords(e,t);return n.makeBoundingBoxFromPoints(r)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(e){return Math.abs(e)<this.minScaleLimit?e<0?-this.minScaleLimit:this.minScaleLimit:e===0?1e-4:e},scale:function(e){return this._set(`scaleX`,e),this._set(`scaleY`,e),this.setCoords()},scaleToWidth:function(e,t){var n=this.getBoundingRect(t).width/this.getScaledWidth();return this.scale(e/this.width/n)},scaleToHeight:function(e,t){var n=this.getBoundingRect(t).height/this.getScaledHeight();return this.scale(e/this.height/n)},calcLineCoords:function(){var e=this.getViewportTransform(),t=this.padding,i=r(this.angle),o=n.cos(i),s=n.sin(i),c=o*t,l=s*t,u=c+l,d=c-l,f=this.calcACoords(),p={tl:a(f.tl,e),tr:a(f.tr,e),bl:a(f.bl,e),br:a(f.br,e)};return t&&(p.tl.x-=d,p.tl.y-=u,p.tr.x+=u,p.tr.y-=d,p.bl.x-=u,p.bl.y+=d,p.br.x+=d,p.br.y+=u),p},calcOCoords:function(){var e=this._calcRotateMatrix(),t=this._calcTranslateMatrix(),n=this.getViewportTransform(),r=i(i(n,t),e),r=i(r,[1/n[0],0,0,1/n[3],0,0]),a=this._calculateCurrentDimensions(),o={};return this.forEachControl(function(e,t,n){o[t]=e.positionHandler(a,r,n)}),o},calcACoords:function(){var e=this._calcRotateMatrix(),t=i(this._calcTranslateMatrix(),e),n=this._getTransformedDimensions(),r=n.x/2,o=n.y/2;return{tl:a({x:-r,y:-o},t),tr:a({x:r,y:-o},t),bl:a({x:-r,y:o},t),br:a({x:r,y:o},t)}},setCoords:function(e){return this.aCoords=this.calcACoords(),this.lineCoords=this.group?this.aCoords:this.calcLineCoords(),e?this:(this.oCoords=this.calcOCoords(),this._setCornerCoords&&this._setCornerCoords(),this)},_calcRotateMatrix:function(){return n.calcRotateMatrix(this)},_calcTranslateMatrix:function(){var e=this.getCenterPoint();return[1,0,0,1,e.x,e.y]},transformMatrixKey:function(e){var t=`_`,n=``;return!e&&this.group&&(n=this.group.transformMatrixKey(e)+t),n+this.top+t+this.left+t+this.scaleX+t+this.scaleY+t+this.skewX+t+this.skewY+t+this.angle+t+this.originX+t+this.originY+t+this.width+t+this.height+t+this.strokeWidth+this.flipX+this.flipY},calcTransformMatrix:function(e){var t=this.calcOwnMatrix();if(e||!this.group)return t;var n=this.transformMatrixKey(e),r=this.matrixCache||={};return r.key===n?r.value:(this.group&&(t=i(this.group.calcTransformMatrix(!1),t)),r.key=n,r.value=t,t)},calcOwnMatrix:function(){var e=this.transformMatrixKey(!0),t=this.ownMatrixCache||={};if(t.key===e)return t.value;var r=this._calcTranslateMatrix(),i={angle:this.angle,translateX:r[4],translateY:r[5],scaleX:this.scaleX,scaleY:this.scaleY,skewX:this.skewX,skewY:this.skewY,flipX:this.flipX,flipY:this.flipY};return t.key=e,t.value=n.composeMatrix(i),t.value},_getNonTransformedDimensions:function(){var e=this.strokeWidth;return{x:this.width+e,y:this.height+e}},_getTransformedDimensions:function(e,t){e===void 0&&(e=this.skewX),t===void 0&&(t=this.skewY);var r,i,a,o=e===0&&t===0;if(this.strokeUniform?(i=this.width,a=this.height):(r=this._getNonTransformedDimensions(),i=r.x,a=r.y),o)return this._finalizeDimensions(i*this.scaleX,a*this.scaleY);var s=n.sizeAfterTransform(i,a,{scaleX:this.scaleX,scaleY:this.scaleY,skewX:e,skewY:t});return this._finalizeDimensions(s.x,s.y)},_finalizeDimensions:function(e,t){return this.strokeUniform?{x:e+this.strokeWidth,y:t+this.strokeWidth}:{x:e,y:t}},_calculateCurrentDimensions:function(){var e=this.getViewportTransform();return a(this._getTransformedDimensions(),e,!0).scalarAdd(2*this.padding)}})})(),t.util.object.extend(t.Object.prototype,{sendToBack:function(){return this.group?t.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas&&this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?t.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas&&this.canvas.bringToFront(this),this},sendBackwards:function(e){return this.group?t.StaticCanvas.prototype.sendBackwards.call(this.group,this,e):this.canvas&&this.canvas.sendBackwards(this,e),this},bringForward:function(e){return this.group?t.StaticCanvas.prototype.bringForward.call(this.group,this,e):this.canvas&&this.canvas.bringForward(this,e),this},moveTo:function(e){return this.group&&this.group.type!==`activeSelection`?t.StaticCanvas.prototype.moveTo.call(this.group,this,e):this.canvas&&this.canvas.moveTo(this,e),this}}),(function(){function e(e,n){if(!n)return e+`: none; `;if(n.toLive)return e+`: url(#SVGID_`+n.id+`); `;var r=new t.Color(n),i=e+`: `+r.toRgb()+`; `,a=r.getAlpha();return a!==1&&(i+=e+`-opacity: `+a.toString()+`; `),i}var n=t.util.toFixed;t.util.object.extend(t.Object.prototype,{getSvgStyles:function(t){var n=this.fillRule?this.fillRule:`nonzero`,r=this.strokeWidth?this.strokeWidth:`0`,i=this.strokeDashArray?this.strokeDashArray.join(` `):`none`,a=this.strokeDashOffset?this.strokeDashOffset:`0`,o=this.strokeLineCap?this.strokeLineCap:`butt`,s=this.strokeLineJoin?this.strokeLineJoin:`miter`,c=this.strokeMiterLimit?this.strokeMiterLimit:`4`,l=this.opacity===void 0?`1`:this.opacity,u=this.visible?``:` visibility: hidden;`,d=t?``:this.getSvgFilter(),f=e(`fill`,this.fill);return[e(`stroke`,this.stroke),`stroke-width: `,r,`; `,`stroke-dasharray: `,i,`; `,`stroke-linecap: `,o,`; `,`stroke-dashoffset: `,a,`; `,`stroke-linejoin: `,s,`; `,`stroke-miterlimit: `,c,`; `,f,`fill-rule: `,n,`; `,`opacity: `,l,`;`,d,u].join(``)},getSvgSpanStyles:function(t,n){var r=`; `,i=t.fontFamily?`font-family: `+(t.fontFamily.indexOf(`'`)===-1&&t.fontFamily.indexOf(`"`)===-1?`'`+t.fontFamily+`'`:t.fontFamily)+r:``,a=t.strokeWidth?`stroke-width: `+t.strokeWidth+r:``,i=i,o=t.fontSize?`font-size: `+t.fontSize+`px`+r:``,s=t.fontStyle?`font-style: `+t.fontStyle+r:``,c=t.fontWeight?`font-weight: `+t.fontWeight+r:``,l=t.fill?e(`fill`,t.fill):``,u=t.stroke?e(`stroke`,t.stroke):``,d=this.getSvgTextDecoration(t),f=t.deltaY?`baseline-shift: `+-t.deltaY+`; `:``;return d&&=`text-decoration: `+d+r,[u,a,i,o,s,c,d,l,f,n?`white-space: pre; `:``].join(``)},getSvgTextDecoration:function(e){return[`overline`,`underline`,`line-through`].filter(function(t){return e[t.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(e,n){var r=e?this.calcTransformMatrix():this.calcOwnMatrix();return`transform="`+t.util.matrixToSVG(r)+(n||``)+`" `},_setSVGBg:function(e){if(this.backgroundColor){var r=t.Object.NUM_FRACTION_DIGITS;e.push(` <rect `,this._getFillAttributes(this.backgroundColor),` x="`,n(-this.width/2,r),`" y="`,n(-this.height/2,r),`" width="`,n(this.width,r),`" height="`,n(this.height,r),`"></rect>
|
|
`)}},toSVG:function(e){return this._createBaseSVGMarkup(this._toSVG(e),{reviver:e})},toClipPathSVG:function(e){return` `+this._createBaseClipPathSVGMarkup(this._toSVG(e),{reviver:e})},_createBaseClipPathSVGMarkup:function(e,t){t||={};var n=t.reviver,r=t.additionalTransform||``,i=[this.getSvgTransform(!0,r),this.getSvgCommons()].join(``),a=e.indexOf(`COMMON_PARTS`);return e[a]=i,n?n(e.join(``)):e.join(``)},_createBaseSVGMarkup:function(e,n){n||={};var r=n.noStyle,i=n.reviver,a=r?``:`style="`+this.getSvgStyles()+`" `,o=n.withShadow?`style="`+this.getSvgFilter()+`" `:``,s=this.clipPath,c=this.strokeUniform?`vector-effect="non-scaling-stroke" `:``,l=s&&s.absolutePositioned,u=this.stroke,d=this.fill,f=this.shadow,p,m=[],h,g=e.indexOf(`COMMON_PARTS`),_=n.additionalTransform;return s&&(s.clipPathId=`CLIPPATH_`+ t.Object.__uid++,h=`<clipPath id="`+s.clipPathId+`" >
|
|
`+s.toClipPathSVG(i)+`</clipPath>
|
|
`),l&&m.push(`<g `,o,this.getSvgCommons(),` >
|
|
`),m.push(`<g `,this.getSvgTransform(!1),l?``:o+this.getSvgCommons(),` >
|
|
`),p=[a,c,r?``:this.addPaintOrder(),` `,_?`transform="`+_+`" `:``].join(``),e[g]=p,d&&d.toLive&&m.push(d.toSVG(this)),u&&u.toLive&&m.push(u.toSVG(this)),f&&m.push(f.toSVG(this)),s&&m.push(h),m.push(e.join(``)),m.push(`</g>
|
|
`),l&&m.push(`</g>
|
|
`),i?i(m.join(``)):m.join(``)},addPaintOrder:function(){return this.paintFirst===`fill`?``:` paint-order="`+this.paintFirst+`" `}})})(),(function(){var e=t.util.object.extend,n=`stateProperties`;function r(t,n,r){var i={};r.forEach(function(e){i[e]=t[e]}),e(t[n],i,!0)}function i(e,t,n){if(e===t)return!0;if(Array.isArray(e)){if(!Array.isArray(t)||e.length!==t.length)return!1;for(var r=0,a=e.length;r<a;r++)if(!i(e[r],t[r]))return!1;return!0}else if(e&&typeof e==`object`){var o=Object.keys(e),s;if(!t||typeof t!=`object`||!n&&o.length!==Object.keys(t).length)return!1;for(var r=0,a=o.length;r<a;r++)if(s=o[r],!(s===`canvas`||s===`group`)&&!i(e[s],t[s]))return!1;return!0}}t.util.object.extend(t.Object.prototype,{hasStateChanged:function(e){e||=n;var t=`_`+e;return Object.keys(this[t]).length<this[e].length?!0:!i(this[t],this,!0)},saveState:function(e){var t=e&&e.propertySet||n,i=`_`+t;return this[i]?(r(this,i,this[t]),e&&e.stateProperties&&r(this,i,e.stateProperties),this):this.setupState(e)},setupState:function(e){e||={};var t=e.propertySet||n;return e.propertySet=t,this[`_`+t]={},this.saveState(e),this}})})(),(function(){var e=t.util.degreesToRadians;t.util.object.extend(t.Object.prototype,{_findTargetCorner:function(e,t){if(!this.hasControls||this.group||!this.canvas||this.canvas._activeObject!==this)return!1;var n=e.x,r=e.y,i,a,o=Object.keys(this.oCoords),s=o.length-1,c;for(this.__corner=0;s>=0;s--)if(c=o[s],this.isControlVisible(c)&&(a=this._getImageLines(t?this.oCoords[c].touchCorner:this.oCoords[c].corner),i=this._findCrossPoints({x:n,y:r},a),i!==0&&i%2==1))return this.__corner=c,c;return!1},forEachControl:function(e){for(var t in this.controls)e(this.controls[t],t,this)},_setCornerCoords:function(){var e=this.oCoords;for(var t in e){var n=this.controls[t];e[t].corner=n.calcCornerCoords(this.angle,this.cornerSize,e[t].x,e[t].y,!1),e[t].touchCorner=n.calcCornerCoords(this.angle,this.touchCornerSize,e[t].x,e[t].y,!0)}},drawSelectionBackground:function(t){if(!this.selectionBackgroundColor||this.canvas&&!this.canvas.interactive||this.canvas&&this.canvas._activeObject!==this)return this;t.save();var n=this.getCenterPoint(),r=this._calculateCurrentDimensions(),i=this.canvas.viewportTransform;return t.translate(n.x,n.y),t.scale(1/i[0],1/i[3]),t.rotate(e(this.angle)),t.fillStyle=this.selectionBackgroundColor,t.fillRect(-r.x/2,-r.y/2,r.x,r.y),t.restore(),this},drawBorders:function(e,t){t||={};var n=this._calculateCurrentDimensions(),r=this.borderScaleFactor,i=n.x+r,a=n.y+r,o=t.hasControls===void 0?this.hasControls:t.hasControls,s=!1;return e.save(),e.strokeStyle=t.borderColor||this.borderColor,this._setLineDash(e,t.borderDashArray||this.borderDashArray),e.strokeRect(-i/2,-a/2,i,a),o&&(e.beginPath(),this.forEachControl(function(t,n,r){t.withConnection&&t.getVisibility(r,n)&&(s=!0,e.moveTo(t.x*i,t.y*a),e.lineTo(t.x*i+t.offsetX,t.y*a+t.offsetY))}),s&&e.stroke()),e.restore(),this},drawBordersInGroup:function(e,n,r){r||={};var i=t.util.sizeAfterTransform(this.width,this.height,n),a=this.strokeWidth,o=this.strokeUniform,s=this.borderScaleFactor,c=i.x+a*(o?this.canvas.getZoom():n.scaleX)+s,l=i.y+a*(o?this.canvas.getZoom():n.scaleY)+s;return e.save(),this._setLineDash(e,r.borderDashArray||this.borderDashArray),e.strokeStyle=r.borderColor||this.borderColor,e.strokeRect(-c/2,-l/2,c,l),e.restore(),this},drawControls:function(e,n){n||={},e.save();var r=1,i,a;return this.canvas&&(r=this.canvas.getRetinaScaling()),e.setTransform(r,0,0,r,0,0),e.strokeStyle=e.fillStyle=n.cornerColor||this.cornerColor,this.transparentCorners||(e.strokeStyle=n.cornerStrokeColor||this.cornerStrokeColor),this._setLineDash(e,n.cornerDashArray||this.cornerDashArray),this.setCoords(),this.group&&(i=this.group.calcTransformMatrix()),this.forEachControl(function(r,o,s){a=s.oCoords[o],r.getVisibility(s,o)&&(i&&(a=t.util.transformPoint(a,i)),r.render(e,a.x,a.y,n,s))}),e.restore(),this},isControlVisible:function(e){return this.controls[e]&&this.controls[e].getVisibility(this,e)},setControlVisible:function(e,t){return this._controlsVisibility||={},this._controlsVisibility[e]=t,this},setControlsVisibility:function(e){for(var t in e||={},e)this.setControlVisible(t,e[t]);return this},onDeselect:function(){},onSelect:function(){}})})(),t.util.object.extend(t.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(e,n){n||={};var r=function(){},i=n.onComplete||r,a=n.onChange||r,o=this;return t.util.animate({target:this,startValue:e.left,endValue:this.getCenterPoint().x,duration:this.FX_DURATION,onChange:function(t){e.set(`left`,t),o.requestRenderAll(),a()},onComplete:function(){e.setCoords(),i()}})},fxCenterObjectV:function(e,n){n||={};var r=function(){},i=n.onComplete||r,a=n.onChange||r,o=this;return t.util.animate({target:this,startValue:e.top,endValue:this.getCenterPoint().y,duration:this.FX_DURATION,onChange:function(t){e.set(`top`,t),o.requestRenderAll(),a()},onComplete:function(){e.setCoords(),i()}})},fxRemove:function(e,n){n||={};var r=function(){},i=n.onComplete||r,a=n.onChange||r,o=this;return t.util.animate({target:this,startValue:e.opacity,endValue:0,duration:this.FX_DURATION,onChange:function(t){e.set(`opacity`,t),o.requestRenderAll(),a()},onComplete:function(){o.remove(e),i()}})}}),t.util.object.extend(t.Object.prototype,{animate:function(){if(arguments[0]&&typeof arguments[0]==`object`){var e=[],t,n,r=[];for(t in arguments[0])e.push(t);for(var i=0,a=e.length;i<a;i++)t=e[i],n=i!==a-1,r.push(this._animate(t,arguments[0][t],arguments[1],n));return r}else return this._animate.apply(this,arguments)},_animate:function(e,n,r,i){var a=this,o;n=n.toString(),r=r?t.util.object.clone(r):{},~e.indexOf(`.`)&&(o=e.split(`.`));var s=a.colorProperties.indexOf(e)>-1||o&&a.colorProperties.indexOf(o[1])>-1,c=o?this.get(o[0])[o[1]]:this.get(e);`from`in r||(r.from=c),s||(n=~n.indexOf(`=`)?c+parseFloat(n.replace(`=`,``)):parseFloat(n));var l={target:this,startValue:r.from,endValue:n,byValue:r.by,easing:r.easing,duration:r.duration,abort:r.abort&&function(e,t,n){return r.abort.call(a,e,t,n)},onChange:function(t,n,s){o?a[o[0]][o[1]]=t:a.set(e,t),!i&&r.onChange&&r.onChange(t,n,s)},onComplete:function(e,t,n){i||(a.setCoords(),r.onComplete&&r.onComplete(e,t,n))}};return s?t.util.animateColor(l.startValue,l.endValue,l.duration,l):t.util.animate(l)}}),(function(e){var t=e.fabric||={},n=t.util.object.extend,r=t.util.object.clone,i={x1:1,x2:1,y1:1,y2:1};if(t.Line){t.warn(`fabric.Line is already defined`);return}t.Line=t.util.createClass(t.Object,{type:`line`,x1:0,y1:0,x2:0,y2:0,cacheProperties:t.Object.prototype.cacheProperties.concat(`x1`,`x2`,`y1`,`y2`),initialize:function(e,t){e||=[0,0,0,0],this.callSuper(`initialize`,t),this.set(`x1`,e[0]),this.set(`y1`,e[1]),this.set(`x2`,e[2]),this.set(`y2`,e[3]),this._setWidthHeight(t)},_setWidthHeight:function(e){e||={},this.width=Math.abs(this.x2-this.x1),this.height=Math.abs(this.y2-this.y1),this.left=`left`in e?e.left:this._getLeftToOriginX(),this.top=`top`in e?e.top:this._getTopToOriginY()},_set:function(e,t){return this.callSuper(`_set`,e,t),i[e]!==void 0&&this._setWidthHeight(),this},_getLeftToOriginX:a({origin:`originX`,axis1:`x1`,axis2:`x2`,dimension:`width`},{nearest:`left`,center:`center`,farthest:`right`}),_getTopToOriginY:a({origin:`originY`,axis1:`y1`,axis2:`y2`,dimension:`height`},{nearest:`top`,center:`center`,farthest:`bottom`}),_render:function(e){e.beginPath();var t=this.calcLinePoints();e.moveTo(t.x1,t.y1),e.lineTo(t.x2,t.y2),e.lineWidth=this.strokeWidth;var n=e.strokeStyle;e.strokeStyle=this.stroke||e.fillStyle,this.stroke&&this._renderStroke(e),e.strokeStyle=n},_findCenterFromElement:function(){return{x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2}},toObject:function(e){return n(this.callSuper(`toObject`,e),this.calcLinePoints())},_getNonTransformedDimensions:function(){var e=this.callSuper(`_getNonTransformedDimensions`);return this.strokeLineCap===`butt`&&(this.width===0&&(e.y-=this.strokeWidth),this.height===0&&(e.x-=this.strokeWidth)),e},calcLinePoints:function(){var e=this.x1<=this.x2?-1:1,t=this.y1<=this.y2?-1:1,n=e*this.width*.5,r=t*this.height*.5;return{x1:n,x2:e*this.width*-.5,y1:r,y2:t*this.height*-.5}},_toSVG:function(){var e=this.calcLinePoints();return[`<line `,`COMMON_PARTS`,`x1="`,e.x1,`" y1="`,e.y1,`" x2="`,e.x2,`" y2="`,e.y2,`" />
|
|
`]}}),t.Line.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(`x1 y1 x2 y2`.split(` `)),t.Line.fromElement=function(e,r,i){i||={};var a=t.parseAttributes(e,t.Line.ATTRIBUTE_NAMES),o=[a.x1||0,a.y1||0,a.x2||0,a.y2||0];r(new t.Line(o,n(a,i)))},t.Line.fromObject=function(e,n){function i(e){delete e.points,n&&n(e)}var a=r(e,!0);a.points=[e.x1,e.y1,e.x2,e.y2],t.Object._fromObject(`Line`,a,i,`points`)};function a(e,t){var n=e.origin,r=e.axis1,i=e.axis2,a=e.dimension,o=t.nearest,s=t.center,c=t.farthest;return function(){switch(this.get(n)){case o:return Math.min(this.get(r),this.get(i));case s:return Math.min(this.get(r),this.get(i))+.5*this.get(a);case c:return Math.max(this.get(r),this.get(i))}}}})(e),(function(e){var t=e.fabric||={},n=t.util.degreesToRadians;if(t.Circle){t.warn(`fabric.Circle is already defined.`);return}t.Circle=t.util.createClass(t.Object,{type:`circle`,radius:0,startAngle:0,endAngle:360,cacheProperties:t.Object.prototype.cacheProperties.concat(`radius`,`startAngle`,`endAngle`),_set:function(e,t){return this.callSuper(`_set`,e,t),e===`radius`&&this.setRadius(t),this},toObject:function(e){return this.callSuper(`toObject`,[`radius`,`startAngle`,`endAngle`].concat(e))},_toSVG:function(){var e,r=0,i=0,a=(this.endAngle-this.startAngle)%360;if(a===0)e=[`<circle `,`COMMON_PARTS`,`cx="`+r+`" cy="`+i+`" `,`r="`,this.radius,`" />
|
|
`];else{var o=n(this.startAngle),s=n(this.endAngle),c=this.radius,l=t.util.cos(o)*c,u=t.util.sin(o)*c,d=t.util.cos(s)*c,f=t.util.sin(s)*c,p=a>180?`1`:`0`;e=[`<path d="M `+l+` `+u,` A `+c+` `+c,` 0 `,+p+` 1`,` `+d+` `+f,`" `,`COMMON_PARTS`,` />
|
|
`]}return e},_render:function(e){e.beginPath(),e.arc(0,0,this.radius,n(this.startAngle),n(this.endAngle),!1),this._renderPaintInOrder(e)},getRadiusX:function(){return this.get(`radius`)*this.get(`scaleX`)},getRadiusY:function(){return this.get(`radius`)*this.get(`scaleY`)},setRadius:function(e){return this.radius=e,this.set(`width`,e*2).set(`height`,e*2)}}),t.Circle.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(`cx cy r`.split(` `)),t.Circle.fromElement=function(e,n){var i=t.parseAttributes(e,t.Circle.ATTRIBUTE_NAMES);if(!r(i))throw Error("value of `r` attribute is required and can not be negative");i.left=(i.left||0)-i.radius,i.top=(i.top||0)-i.radius,n(new t.Circle(i))};function r(e){return`radius`in e&&e.radius>=0}t.Circle.fromObject=function(e,n){t.Object._fromObject(`Circle`,e,n)}})(e),(function(e){var t=e.fabric||={};if(t.Triangle){t.warn(`fabric.Triangle is already defined`);return}t.Triangle=t.util.createClass(t.Object,{type:`triangle`,width:100,height:100,_render:function(e){var t=this.width/2,n=this.height/2;e.beginPath(),e.moveTo(-t,n),e.lineTo(0,-n),e.lineTo(t,n),e.closePath(),this._renderPaintInOrder(e)},_toSVG:function(){var e=this.width/2,t=this.height/2;return[`<polygon `,`COMMON_PARTS`,`points="`,[-e+` `+t,`0 `+-t,e+` `+t].join(`,`),`" />`]}}),t.Triangle.fromObject=function(e,n){return t.Object._fromObject(`Triangle`,e,n)}})(e),(function(e){var t=e.fabric||={},n=Math.PI*2;if(t.Ellipse){t.warn(`fabric.Ellipse is already defined.`);return}t.Ellipse=t.util.createClass(t.Object,{type:`ellipse`,rx:0,ry:0,cacheProperties:t.Object.prototype.cacheProperties.concat(`rx`,`ry`),initialize:function(e){this.callSuper(`initialize`,e),this.set(`rx`,e&&e.rx||0),this.set(`ry`,e&&e.ry||0)},_set:function(e,t){switch(this.callSuper(`_set`,e,t),e){case`rx`:this.rx=t,this.set(`width`,t*2);break;case`ry`:this.ry=t,this.set(`height`,t*2);break}return this},getRx:function(){return this.get(`rx`)*this.get(`scaleX`)},getRy:function(){return this.get(`ry`)*this.get(`scaleY`)},toObject:function(e){return this.callSuper(`toObject`,[`rx`,`ry`].concat(e))},_toSVG:function(){return[`<ellipse `,`COMMON_PARTS`,`cx="0" cy="0" `,`rx="`,this.rx,`" ry="`,this.ry,`" />
|
|
`]},_render:function(e){e.beginPath(),e.save(),e.transform(1,0,0,this.ry/this.rx,0,0),e.arc(0,0,this.rx,0,n,!1),e.restore(),this._renderPaintInOrder(e)}}),t.Ellipse.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(`cx cy rx ry`.split(` `)),t.Ellipse.fromElement=function(e,n){var r=t.parseAttributes(e,t.Ellipse.ATTRIBUTE_NAMES);r.left=(r.left||0)-r.rx,r.top=(r.top||0)-r.ry,n(new t.Ellipse(r))},t.Ellipse.fromObject=function(e,n){t.Object._fromObject(`Ellipse`,e,n)}})(e),(function(e){var t=e.fabric||={},n=t.util.object.extend;if(t.Rect){t.warn(`fabric.Rect is already defined`);return}t.Rect=t.util.createClass(t.Object,{stateProperties:t.Object.prototype.stateProperties.concat(`rx`,`ry`),type:`rect`,rx:0,ry:0,cacheProperties:t.Object.prototype.cacheProperties.concat(`rx`,`ry`),initialize:function(e){this.callSuper(`initialize`,e),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(e){var t=this.rx?Math.min(this.rx,this.width/2):0,n=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,i=this.height,a=-this.width/2,o=-this.height/2,s=t!==0||n!==0,c=.4477152502;e.beginPath(),e.moveTo(a+t,o),e.lineTo(a+r-t,o),s&&e.bezierCurveTo(a+r-c*t,o,a+r,o+c*n,a+r,o+n),e.lineTo(a+r,o+i-n),s&&e.bezierCurveTo(a+r,o+i-c*n,a+r-c*t,o+i,a+r-t,o+i),e.lineTo(a+t,o+i),s&&e.bezierCurveTo(a+c*t,o+i,a,o+i-c*n,a,o+i-n),e.lineTo(a,o+n),s&&e.bezierCurveTo(a,o+c*n,a+c*t,o,a+t,o),e.closePath(),this._renderPaintInOrder(e)},toObject:function(e){return this.callSuper(`toObject`,[`rx`,`ry`].concat(e))},_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,`" />
|
|
`]}}),t.Rect.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(`x y rx ry width height`.split(` `)),t.Rect.fromElement=function(e,r,i){if(!e)return r(null);i||={};var a=t.parseAttributes(e,t.Rect.ATTRIBUTE_NAMES);a.left=a.left||0,a.top=a.top||0,a.height=a.height||0,a.width=a.width||0;var o=new t.Rect(n(i?t.util.object.clone(i):{},a));o.visible=o.visible&&o.width>0&&o.height>0,r(o)},t.Rect.fromObject=function(e,n){return t.Object._fromObject(`Rect`,e,n)}})(e),(function(e){var t=e.fabric||={},n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,a=t.util.toFixed,o=t.util.projectStrokeOnPoints;if(t.Polyline){t.warn(`fabric.Polyline is already defined`);return}t.Polyline=t.util.createClass(t.Object,{type:`polyline`,points:null,exactBoundingBox:!1,cacheProperties:t.Object.prototype.cacheProperties.concat(`points`),initialize:function(e,t){t||={},this.points=e||[],this.callSuper(`initialize`,t),this._setPositionDimensions(t)},_projectStrokeOnPoints:function(){return o(this.points,this,!0)},_setPositionDimensions:function(e){var t=this._calcDimensions(e),n,r=this.exactBoundingBox?this.strokeWidth:0;this.width=t.width-r,this.height=t.height-r,e.fromSVG||(n=this.translateToGivenOrigin({x:t.left-this.strokeWidth/2+r/2,y:t.top-this.strokeWidth/2+r/2},`left`,`top`,this.originX,this.originY)),e.left===void 0&&(this.left=e.fromSVG?t.left:n.x),e.top===void 0&&(this.top=e.fromSVG?t.top:n.y),this.pathOffset={x:t.left+this.width/2+r/2,y:t.top+this.height/2+r/2}},_calcDimensions:function(){var e=this.exactBoundingBox?this._projectStrokeOnPoints():this.points,t=r(e,`x`)||0,n=r(e,`y`)||0,a=i(e,`x`)||0,o=i(e,`y`)||0;return{left:t,top:n,width:a-t,height:o-n}},toObject:function(e){return n(this.callSuper(`toObject`,e),{points:this.points.concat()})},_toSVG:function(){for(var e=[],n=this.pathOffset.x,r=this.pathOffset.y,i=t.Object.NUM_FRACTION_DIGITS,o=0,s=this.points.length;o<s;o++)e.push(a(this.points[o].x-n,i),`,`,a(this.points[o].y-r,i),` `);return[`<`+this.type+` `,`COMMON_PARTS`,`points="`,e.join(``),`" />
|
|
`]},commonRender:function(e){var t,n=this.points.length,r=this.pathOffset.x,i=this.pathOffset.y;if(!n||isNaN(this.points[n-1].y))return!1;e.beginPath(),e.moveTo(this.points[0].x-r,this.points[0].y-i);for(var a=0;a<n;a++)t=this.points[a],e.lineTo(t.x-r,t.y-i);return!0},_render:function(e){this.commonRender(e)&&this._renderPaintInOrder(e)},complexity:function(){return this.get(`points`).length}}),t.Polyline.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polyline.fromElementGenerator=function(e){return function(r,i,a){if(!r)return i(null);a||={};var o=t.parsePointsAttribute(r.getAttribute(`points`)),s=t.parseAttributes(r,t[e].ATTRIBUTE_NAMES);s.fromSVG=!0,i(new t[e](o,n(s,a)))}},t.Polyline.fromElement=t.Polyline.fromElementGenerator(`Polyline`),t.Polyline.fromObject=function(e,n){return t.Object._fromObject(`Polyline`,e,n,`points`)}})(e),(function(e){var t=e.fabric||={},n=t.util.projectStrokeOnPoints;if(t.Polygon){t.warn(`fabric.Polygon is already defined`);return}t.Polygon=t.util.createClass(t.Polyline,{type:`polygon`,_projectStrokeOnPoints:function(){return n(this.points,this)},_render:function(e){this.commonRender(e)&&(e.closePath(),this._renderPaintInOrder(e))}}),t.Polygon.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polygon.fromElement=t.Polyline.fromElementGenerator(`Polygon`),t.Polygon.fromObject=function(e,n){t.Object._fromObject(`Polygon`,e,n,`points`)}})(e),(function(e){var t=e.fabric||={},n=t.util.array.min,r=t.util.array.max,i=t.util.object.extend,a=t.util.object.clone,o=t.util.toFixed;if(t.Path){t.warn(`fabric.Path is already defined`);return}t.Path=t.util.createClass(t.Object,{type:`path`,path:null,cacheProperties:t.Object.prototype.cacheProperties.concat(`path`,`fillRule`),stateProperties:t.Object.prototype.stateProperties.concat(`path`),initialize:function(e,t){t=a(t||{}),delete t.path,this.callSuper(`initialize`,t),this._setPath(e||[],t)},_setPath:function(e,n){this.path=t.util.makePathSimpler(Array.isArray(e)?e:t.util.parsePath(e)),t.Polyline.prototype._setPositionDimensions.call(this,n||{})},_renderPathCommands:function(e){var t,n=0,r=0,i=0,a=0,o=0,s=0,c=-this.pathOffset.x,l=-this.pathOffset.y;e.beginPath();for(var u=0,d=this.path.length;u<d;++u)switch(t=this.path[u],t[0]){case`L`:i=t[1],a=t[2],e.lineTo(i+c,a+l);break;case`M`:i=t[1],a=t[2],n=i,r=a,e.moveTo(i+c,a+l);break;case`C`:i=t[5],a=t[6],o=t[3],s=t[4],e.bezierCurveTo(t[1]+c,t[2]+l,o+c,s+l,i+c,a+l);break;case`Q`:e.quadraticCurveTo(t[1]+c,t[2]+l,t[3]+c,t[4]+l),i=t[3],a=t[4],o=t[1],s=t[2];break;case`z`:case`Z`:i=n,a=r,e.closePath();break}},_render:function(e){this._renderPathCommands(e),this._renderPaintInOrder(e)},toString:function(){return`#<fabric.Path (`+this.complexity()+`): { "top": `+this.top+`, "left": `+this.left+` }>`},toObject:function(e){return i(this.callSuper(`toObject`,e),{path:this.path.map(function(e){return e.slice()})})},toDatalessObject:function(e){var t=this.toObject([`sourcePath`].concat(e));return t.sourcePath&&delete t.path,t},_toSVG:function(){return[`<path `,`COMMON_PARTS`,`d="`,t.util.joinPath(this.path),`" stroke-linecap="round" `,`/>
|
|
`]},_getOffsetTransform:function(){var e=t.Object.NUM_FRACTION_DIGITS;return` translate(`+o(-this.pathOffset.x,e)+`, `+o(-this.pathOffset.y,e)+`)`},toClipPathSVG:function(e){var t=this._getOffsetTransform();return` `+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:e,additionalTransform:t})},toSVG:function(e){var t=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:e,additionalTransform:t})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var e=[],i=[],a,o=0,s=0,c=0,l=0,u,d=0,f=this.path.length;d<f;++d){switch(a=this.path[d],a[0]){case`L`:c=a[1],l=a[2],u=[];break;case`M`:c=a[1],l=a[2],o=c,s=l,u=[];break;case`C`:u=t.util.getBoundsOfCurve(c,l,a[1],a[2],a[3],a[4],a[5],a[6]),c=a[5],l=a[6];break;case`Q`:u=t.util.getBoundsOfCurve(c,l,a[1],a[2],a[1],a[2],a[3],a[4]),c=a[3],l=a[4];break;case`z`:case`Z`:c=o,l=s;break}u.forEach(function(t){e.push(t.x),i.push(t.y)}),e.push(c),i.push(l)}var p=n(e)||0,m=n(i)||0,h=r(e)||0,g=r(i)||0;return{left:p,top:m,width:h-p,height:g-m}}}),t.Path.fromObject=function(e,n){if(typeof e.sourcePath==`string`){var r=e.sourcePath;t.loadSVGFromURL(r,function(r){var i=r[0];i.setOptions(e),e.clipPath?t.util.enlivenObjects([e.clipPath],function(e){i.clipPath=e[0],n&&n(i)}):n&&n(i)})}else t.Object._fromObject(`Path`,e,n,`path`)},t.Path.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat([`d`]),t.Path.fromElement=function(e,n,r){var a=t.parseAttributes(e,t.Path.ATTRIBUTE_NAMES);a.fromSVG=!0,n(new t.Path(a.d,i(a,r)))}})(e),(function(e){var t=e.fabric||={},n=t.util.array.min,r=t.util.array.max;t.Group||(t.Group=t.util.createClass(t.Object,t.Collection,{type:`group`,strokeWidth:0,subTargetCheck:!1,cacheProperties:[],useSetOnGroup:!1,initialize:function(e,t,n){t||={},this._objects=[],n&&this.callSuper(`initialize`,t),this._objects=e||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;if(n)this._updateObjectsACoords();else{var i=t&&t.centerPoint;t.originX!==void 0&&(this.originX=t.originX),t.originY!==void 0&&(this.originY=t.originY),i||this._calcBounds(),this._updateObjectsCoords(i),delete t.centerPoint,this.callSuper(`initialize`,t)}this.setCoords()},_updateObjectsACoords:function(){for(var e=!0,t=this._objects.length;t--;)this._objects[t].setCoords(e)},_updateObjectsCoords:function(e){for(var e=e||this.getCenterPoint(),t=this._objects.length;t--;)this._updateObjectCoords(this._objects[t],e)},_updateObjectCoords:function(e,t){var n=e.left,r=e.top;e.set({left:n-t.x,top:r-t.y}),e.group=this,e.setCoords(!0)},toString:function(){return`#<fabric.Group: (`+this.complexity()+`)>`},addWithUpdate:function(e){var n=!!this.group;return this._restoreObjectsState(),t.util.resetObjectTransform(this),e&&(n&&t.util.removeTransformFromObject(e,this.group.calcTransformMatrix()),this._objects.push(e),e.group=this,e._set(`canvas`,this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.dirty=!0,n?this.group.addWithUpdate():this.setCoords(),this},removeWithUpdate:function(e){return this._restoreObjectsState(),t.util.resetObjectTransform(this),this.remove(e),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(e){this.dirty=!0,e.group=this,e._set(`canvas`,this.canvas)},_onObjectRemoved:function(e){this.dirty=!0,delete e.group},_set:function(e,n){var r=this._objects.length;if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(e,n);if(e===`canvas`)for(;r--;)this._objects[r]._set(e,n);t.Object.prototype._set.call(this,e,n)},toObject:function(e){var n=this.includeDefaultValues,r=this._objects.filter(function(e){return!e.excludeFromExport}).map(function(t){var r=t.includeDefaultValues;t.includeDefaultValues=n;var i=t.toObject(e);return t.includeDefaultValues=r,i}),i=t.Object.prototype.toObject.call(this,e);return i.objects=r,i},toDatalessObject:function(e){var n,r=this.sourcePath;if(r)n=r;else{var i=this.includeDefaultValues;n=this._objects.map(function(t){var n=t.includeDefaultValues;t.includeDefaultValues=i;var r=t.toDatalessObject(e);return t.includeDefaultValues=n,r})}var a=t.Object.prototype.toDatalessObject.call(this,e);return a.objects=n,a},render:function(e){this._transformDone=!0,this.callSuper(`render`,e),this._transformDone=!1},shouldCache:function(){var e=t.Object.prototype.shouldCache.call(this);if(e){for(var n=0,r=this._objects.length;n<r;n++)if(this._objects[n].willDrawShadow())return this.ownCaching=!1,!1}return e},willDrawShadow:function(){if(t.Object.prototype.willDrawShadow.call(this))return!0;for(var e=0,n=this._objects.length;e<n;e++)if(this._objects[e].willDrawShadow())return!0;return!1},isOnACache:function(){return this.ownCaching||this.group&&this.group.isOnACache()},drawObject:function(e){for(var t=0,n=this._objects.length;t<n;t++)this._objects[t].render(e);this._drawClipPath(e,this.clipPath)},isCacheDirty:function(e){if(this.callSuper(`isCacheDirty`,e))return!0;if(!this.statefullCache)return!1;for(var t=0,n=this._objects.length;t<n;t++)if(this._objects[t].isCacheDirty(!0)){if(this._cacheCanvas){var r=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-r/2,-i/2,r,i)}return!0}return!1},_restoreObjectsState:function(){var e=this.calcOwnMatrix();return this._objects.forEach(function(n){t.util.addTransformToObject(n,e),delete n.group,n.setCoords()}),this},destroy:function(){return this._objects.forEach(function(e){e.set(`dirty`,!0)}),this._restoreObjectsState()},dispose:function(){this.callSuper(`dispose`),this.forEachObject(function(e){e.dispose&&e.dispose()}),this._objects=[]},toActiveSelection:function(){if(this.canvas){var e=this._objects,n=this.canvas;this._objects=[];var r=this.toObject();delete r.objects;var i=new t.ActiveSelection([]);return i.set(r),i.type=`activeSelection`,n.remove(this),e.forEach(function(e){e.group=i,e.dirty=!0,n.add(e)}),i.canvas=n,i._objects=e,n._activeObject=i,i.setCoords(),i}},ungroupOnCanvas:function(){return this._restoreObjectsState()},setObjectsCoords:function(){var e=!0;return this.forEachObject(function(t){t.setCoords(e)}),this},_calcBounds:function(e){for(var t=[],n=[],r,i,a,o=[`tr`,`br`,`bl`,`tl`],s=0,c=this._objects.length,l,u=o.length;s<c;++s){for(r=this._objects[s],a=r.calcACoords(),l=0;l<u;l++)i=o[l],t.push(a[i].x),n.push(a[i].y);r.aCoords=a}this._getBounds(t,n,e)},_getBounds:function(e,i,a){var o=new t.Point(n(e),n(i)),s=new t.Point(r(e),r(i)),c=o.y||0,l=o.x||0,u=s.x-o.x||0,d=s.y-o.y||0;this.width=u,this.height=d,a||this.setPositionByOrigin({x:l,y:c},`left`,`top`)},_toSVG:function(e){for(var t=[`<g `,`COMMON_PARTS`,` >
|
|
`],n=0,r=this._objects.length;n<r;n++)t.push(` `,this._objects[n].toSVG(e));return t.push(`</g>
|
|
`),t},getSvgStyles:function(){var e=this.opacity!==void 0&&this.opacity!==1?`opacity: `+this.opacity+`;`:``,t=this.visible?``:` visibility: hidden;`;return[e,this.getSvgFilter(),t].join(``)},toClipPathSVG:function(e){for(var t=[],n=0,r=this._objects.length;n<r;n++)t.push(` `,this._objects[n].toClipPathSVG(e));return this._createBaseClipPathSVGMarkup(t,{reviver:e})}}),t.Group.fromObject=function(e,n){var r=e.objects,i=t.util.object.clone(e,!0);if(delete i.objects,typeof r==`string`){t.loadSVGFromURL(r,function(a){var o=t.util.groupSVGElements(a,e,r),s=i.clipPath;delete i.clipPath,o.set(i),s?t.util.enlivenObjects([s],function(e){o.clipPath=e[0],n&&n(o)}):n&&n(o)});return}t.util.enlivenObjects(r,function(r){t.util.enlivenObjectEnlivables(e,i,function(){n&&n(new t.Group(r,i,!0))})})})})(e),(function(e){var t=e.fabric||={};t.ActiveSelection||(t.ActiveSelection=t.util.createClass(t.Group,{type:`activeSelection`,initialize:function(e,n){n||={},this._objects=e||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;n.originX&&(this.originX=n.originX),n.originY&&(this.originY=n.originY),this._calcBounds(),this._updateObjectsCoords(),t.Object.prototype.initialize.call(this,n),this.setCoords()},toGroup:function(){var e=this._objects.concat();this._objects=[];var n=t.Object.prototype.toObject.call(this),r=new t.Group([]);if(delete n.type,r.set(n),e.forEach(function(e){e.canvas.remove(e),e.group=r}),r._objects=e,!this.canvas)return r;var i=this.canvas;return i.add(r),i._activeObject=r,r.setCoords(),r},onDeselect:function(){return this.destroy(),!1},toString:function(){return`#<fabric.ActiveSelection: (`+this.complexity()+`)>`},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(e,t,n){e.save(),e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,n||={},n.hasControls===void 0&&(n.hasControls=!1),n.forActiveSelection=!0;for(var r=0,i=this._objects.length;r<i;r++)this._objects[r]._renderControls(e,n);this.callSuper(`_renderControls`,e,t),e.restore()}}),t.ActiveSelection.fromObject=function(e,n){t.util.enlivenObjects(e.objects,function(r){delete e.objects,n&&n(new t.ActiveSelection(r,e,!0))})})})(e),(function(e){var n=t.util.object.extend;if(e.fabric||={},e.fabric.Image){t.warn(`fabric.Image is already defined.`);return}t.Image=t.util.createClass(t.Object,{type:`image`,strokeWidth:0,srcFromAttribute:!1,_lastScaleX:1,_lastScaleY:1,_filterScalingX:1,_filterScalingY:1,minimumScaleTrigger:.5,stateProperties:t.Object.prototype.stateProperties.concat(`cropX`,`cropY`),cacheProperties:t.Object.prototype.cacheProperties.concat(`cropX`,`cropY`),cacheKey:``,cropX:0,cropY:0,imageSmoothing:!0,initialize:function(e,n){n||={},this.filters=[],this.cacheKey=`texture`+ t.Object.__uid++,this.callSuper(`initialize`,n),this._initElement(e,n)},getElement:function(){return this._element||{}},setElement:function(e,t){return this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+`_filtered`),this._element=e,this._originalElement=e,this._initConfig(t),this.filters.length!==0&&this.applyFilters(),this.resizeFilter&&this.applyResizeFilters(),this},removeTexture:function(e){var n=t.filterBackend;n&&n.evictCachesForKey&&n.evictCachesForKey(e)},dispose:function(){this.callSuper(`dispose`),this.removeTexture(this.cacheKey),this.removeTexture(this.cacheKey+`_filtered`),this._cacheContext=void 0,[`_originalElement`,`_element`,`_filteredEl`,`_cacheCanvas`].forEach((function(e){t.util.cleanUpJsdomNode(this[e]),this[e]=void 0}).bind(this))},getCrossOrigin:function(){return this._originalElement&&(this._originalElement.crossOrigin||null)},getOriginalSize:function(){var e=this.getElement();return{width:e.naturalWidth||e.width,height:e.naturalHeight||e.height}},_stroke:function(e){if(!(!this.stroke||this.strokeWidth===0)){var t=this.width/2,n=this.height/2;e.beginPath(),e.moveTo(-t,-n),e.lineTo(t,-n),e.lineTo(t,n),e.lineTo(-t,n),e.lineTo(-t,-n),e.closePath()}},toObject:function(e){var t=[];this.filters.forEach(function(e){e&&t.push(e.toObject())});var r=n(this.callSuper(`toObject`,[`cropX`,`cropY`].concat(e)),{src:this.getSrc(),crossOrigin:this.getCrossOrigin(),filters:t});return this.resizeFilter&&(r.resizeFilter=this.resizeFilter.toObject()),r},hasCrop:function(){return this.cropX||this.cropY||this.width<this._element.width||this.height<this._element.height},_toSVG:function(){var e=[],n=[],r,i=this._element,a=-this.width/2,o=-this.height/2,s=``,c=``;if(!i)return[];if(this.hasCrop()){var l=t.Object.__uid++;e.push(`<clipPath id="imageCrop_`+l+`">
|
|
`,` <rect x="`+a+`" y="`+o+`" width="`+this.width+`" height="`+this.height+`" />
|
|
`,`</clipPath>
|
|
`),s=` clip-path="url(#imageCrop_`+l+`)" `}if(this.imageSmoothing||(c=`" image-rendering="optimizeSpeed`),n.push(` <image `,`COMMON_PARTS`,`xlink:href="`,this.getSvgSrc(!0),`" x="`,a-this.cropX,`" y="`,o-this.cropY,`" width="`,i.width||i.naturalWidth,`" height="`,i.height||i.height,c,`"`,s,`></image>
|
|
`),this.stroke||this.strokeDashArray){var u=this.fill;this.fill=null,r=[` <rect `,`x="`,a,`" y="`,o,`" width="`,this.width,`" height="`,this.height,`" style="`,this.getSvgStyles(),`"/>
|
|
`],this.fill=u}return e=this.paintFirst===`fill`?e.concat(n,r):e.concat(r,n),e},getSrc:function(e){var t=e?this._element:this._originalElement;return t?t.toDataURL?t.toDataURL():this.srcFromAttribute?t.getAttribute(`src`):t.src:this.src||``},setSrc:function(e,n,r){return t.util.loadImage(e,function(e,t){this.setElement(e,r),this._setWidthHeight(),n&&n(this,t)},this,r&&r.crossOrigin),this},toString:function(){return`#<fabric.Image: { src: "`+this.getSrc()+`" }>`},applyResizeFilters:function(){var e=this.resizeFilter,n=this.minimumScaleTrigger,r=this.getTotalObjectScaling(),i=r.scaleX,a=r.scaleY,o=this._filteredEl||this._originalElement;if(this.group&&this.set(`dirty`,!0),!e||i>n&&a>n){this._element=o,this._filterScalingX=1,this._filterScalingY=1,this._lastScaleX=i,this._lastScaleY=a;return}t.filterBackend||=t.initFilterBackend();var s=t.util.createCanvasElement(),c=this._filteredEl?this.cacheKey+`_filtered`:this.cacheKey,l=o.width,u=o.height;s.width=l,s.height=u,this._element=s,this._lastScaleX=e.scaleX=i,this._lastScaleY=e.scaleY=a,t.filterBackend.applyFilters([e],o,l,u,this._element,c),this._filterScalingX=s.width/this._originalElement.width,this._filterScalingY=s.height/this._originalElement.height},applyFilters:function(e){if(e=e||this.filters||[],e=e.filter(function(e){return e&&!e.isNeutralState()}),this.set(`dirty`,!0),this.removeTexture(this.cacheKey+`_filtered`),e.length===0)return this._element=this._originalElement,this._filteredEl=null,this._filterScalingX=1,this._filterScalingY=1,this;var n=this._originalElement,r=n.naturalWidth||n.width,i=n.naturalHeight||n.height;if(this._element===this._originalElement){var a=t.util.createCanvasElement();a.width=r,a.height=i,this._element=a,this._filteredEl=a}else this._element=this._filteredEl,this._filteredEl.getContext(`2d`).clearRect(0,0,r,i),this._lastScaleX=1,this._lastScaleY=1;return t.filterBackend||=t.initFilterBackend(),t.filterBackend.applyFilters(e,this._originalElement,r,i,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(e){t.util.setImageSmoothing(e,this.imageSmoothing),this.isMoving!==!0&&this.resizeFilter&&this._needsResize()&&this.applyResizeFilters(),this._stroke(e),this._renderPaintInOrder(e)},drawCacheOnCanvas:function(e){t.util.setImageSmoothing(e,this.imageSmoothing),t.Object.prototype.drawCacheOnCanvas.call(this,e)},shouldCache:function(){return this.needsItsOwnCache()},_renderFill:function(e){var t=this._element;if(t){var n=this._filterScalingX,r=this._filterScalingY,i=this.width,a=this.height,o=Math.min,s=Math.max,c=s(this.cropX,0),l=s(this.cropY,0),u=t.naturalWidth||t.width,d=t.naturalHeight||t.height,f=c*n,p=l*r,m=o(i*n,u-f),h=o(a*r,d-p),g=-i/2,_=-a/2,v=o(i,u/n-c),y=o(a,d/r-l);t&&e.drawImage(t,f,p,m,h,g,_,v,y)}},_needsResize:function(){var e=this.getTotalObjectScaling();return e.scaleX!==this._lastScaleX||e.scaleY!==this._lastScaleY},_resetWidthHeight:function(){this.set(this.getOriginalSize())},_initElement:function(e,n){this.setElement(t.util.getById(e),n),t.util.addClass(this.getElement(),t.Image.CSS_CANVAS)},_initConfig:function(e){e||={},this.setOptions(e),this._setWidthHeight(e)},_initFilters:function(e,n){e&&e.length?t.util.enlivenObjects(e,function(e){n&&n(e)},`fabric.Image.filters`):n&&n()},_setWidthHeight:function(e){e||={};var t=this.getElement();this.width=e.width||t.naturalWidth||t.width||0,this.height=e.height||t.naturalHeight||t.height||0},parsePreserveAspectRatioAttribute:function(){var e=t.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio||``),n=this._element.width,r=this._element.height,i=1,a=1,o=0,s=0,c=0,l=0,u,d=this.width,f=this.height,p={width:d,height:f};return e&&(e.alignX!==`none`||e.alignY!==`none`)?(e.meetOrSlice===`meet`&&(i=a=t.util.findScaleToFit(this._element,p),u=(d-n*i)/2,e.alignX===`Min`&&(o=-u),e.alignX===`Max`&&(o=u),u=(f-r*a)/2,e.alignY===`Min`&&(s=-u),e.alignY===`Max`&&(s=u)),e.meetOrSlice===`slice`&&(i=a=t.util.findScaleToCover(this._element,p),u=n-d/i,e.alignX===`Mid`&&(c=u/2),e.alignX===`Max`&&(c=u),u=r-f/a,e.alignY===`Mid`&&(l=u/2),e.alignY===`Max`&&(l=u),n=d/i,r=f/a)):(i=d/n,a=f/r),{width:n,height:r,scaleX:i,scaleY:a,offsetLeft:o,offsetTop:s,cropX:c,cropY:l}}}),t.Image.CSS_CANVAS=`canvas-img`,t.Image.prototype.getSvgSrc=t.Image.prototype.getSrc,t.Image.fromObject=function(e,n){var r=t.util.object.clone(e);t.util.loadImage(r.src,function(e,i){if(i){n&&n(null,!0);return}t.Image.prototype._initFilters.call(r,r.filters,function(i){r.filters=i||[],t.Image.prototype._initFilters.call(r,[r.resizeFilter],function(i){r.resizeFilter=i[0],t.util.enlivenObjectEnlivables(r,r,function(){n(new t.Image(e,r),!1)})})})},null,r.crossOrigin)},t.Image.fromURL=function(e,n,r){t.util.loadImage(e,function(e,i){n&&n(new t.Image(e,r),i)},null,r&&r.crossOrigin)},t.Image.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(`x y width height preserveAspectRatio xlink:href crossOrigin image-rendering`.split(` `)),t.Image.fromElement=function(e,r,i){var a=t.parseAttributes(e,t.Image.ATTRIBUTE_NAMES);t.Image.fromURL(a[`xlink:href`],r,n(i?t.util.object.clone(i):{},a))}})(e),t.util.object.extend(t.Object.prototype,{_getAngleValueForStraighten:function(){var e=this.angle%360;return e>0?Math.round((e-1)/90)*90:Math.round(e/90)*90},straighten:function(){return this.rotate(this._getAngleValueForStraighten())},fxStraighten:function(e){e||={};var n=function(){},r=e.onComplete||n,i=e.onChange||n,a=this;return t.util.animate({target:this,startValue:this.get(`angle`),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(e){a.rotate(e),i()},onComplete:function(){a.setCoords(),r()}})}}),t.util.object.extend(t.StaticCanvas.prototype,{straightenObject:function(e){return e.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(e){return e.fxStraighten({onChange:this.requestRenderAllBound})}}),(function(){function e(e,t){var n=`precision `+t+` float;
|
|
void main(){}`,r=e.createShader(e.FRAGMENT_SHADER);return e.shaderSource(r,n),e.compileShader(r),!!e.getShaderParameter(r,e.COMPILE_STATUS)}t.isWebglSupported=function(n){if(t.isLikelyNode)return!1;n||=t.WebglFilterBackend.prototype.tileSize;var r=document.createElement(`canvas`),i=r.getContext(`webgl`)||r.getContext(`experimental-webgl`),a=!1;if(i){t.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),a=t.maxTextureSize>=n;for(var o=[`highp`,`mediump`,`lowp`],s=0;s<3;s++)if(e(i,o[s])){t.webGlPrecision=o[s];break}}return this.isSupported=a,a},t.WebglFilterBackend=n;function n(e){e&&e.tileSize&&(this.tileSize=e.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}n.prototype={tileSize:2048,resources:{},setupGLContext:function(e,t){this.dispose(),this.createWebGLCanvas(e,t),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(e,t)},chooseFastestCopyGLTo2DMethod:function(e,n){var r=window.performance!==void 0,o;try{new ImageData(1,1),o=!0}catch{o=!1}if(r&&o&&typeof ArrayBuffer<`u`&&typeof Uint8ClampedArray<`u`){var s=t.util.createCanvasElement(),c=new ArrayBuffer(e*n*4);if(t.forceGLPutImageData){this.imageBuffer=c,this.copyGLTo2D=a;return}var l={imageBuffer:c,destinationWidth:e,destinationHeight:n,targetCanvas:s},u,d,f;s.width=e,s.height=n,u=window.performance.now(),i.call(l,this.gl,l),d=window.performance.now()-u,u=window.performance.now(),a.call(l,this.gl,l),f=window.performance.now()-u,d>f?(this.imageBuffer=c,this.copyGLTo2D=a):this.copyGLTo2D=i}},createWebGLCanvas:function(e,n){var r=t.util.createCanvasElement();r.width=e,r.height=n;var i={alpha:!0,premultipliedAlpha:!1,depth:!1,stencil:!1,antialias:!1},a=r.getContext(`webgl`,i);a||=r.getContext(`experimental-webgl`,i),a&&(a.clearColor(0,0,0,0),this.canvas=r,this.gl=a)},applyFilters:function(e,t,n,i,a,o){var s=this.gl,c;o&&(c=this.getCachedTexture(o,t));var l={originalWidth:t.width||t.originalWidth,originalHeight:t.height||t.originalHeight,sourceWidth:n,sourceHeight:i,destinationWidth:n,destinationHeight:i,context:s,sourceTexture:this.createTexture(s,n,i,!c&&t),targetTexture:this.createTexture(s,n,i),originalTexture:c||this.createTexture(s,n,i,!c&&t),passes:e.length,webgl:!0,aPosition:this.aPosition,programCache:this.programCache,pass:0,filterBackend:this,targetCanvas:a},u=s.createFramebuffer();return s.bindFramebuffer(s.FRAMEBUFFER,u),e.forEach(function(e){e&&e.applyTo(l)}),r(l),this.copyGLTo2D(s,l),s.bindTexture(s.TEXTURE_2D,null),s.deleteTexture(l.sourceTexture),s.deleteTexture(l.targetTexture),s.deleteFramebuffer(u),a.getContext(`2d`).setTransform(1,0,0,1,0,0),l},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(e,t,n,r,i){var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,i||e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,i||e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),r?e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,r):e.texImage2D(e.TEXTURE_2D,0,e.RGBA,t,n,0,e.RGBA,e.UNSIGNED_BYTE,null),a},getCachedTexture:function(e,t){if(this.textureCache[e])return this.textureCache[e];var n=this.createTexture(this.gl,t.width,t.height,t);return this.textureCache[e]=n,n},evictCachesForKey:function(e){this.textureCache[e]&&(this.gl.deleteTexture(this.textureCache[e]),delete this.textureCache[e])},copyGLTo2D:i,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var e=this.gl,t={renderer:``,vendor:``};if(!e)return t;var n=e.getExtension(`WEBGL_debug_renderer_info`);if(n){var r=e.getParameter(n.UNMASKED_RENDERER_WEBGL),i=e.getParameter(n.UNMASKED_VENDOR_WEBGL);r&&(t.renderer=r.toLowerCase()),i&&(t.vendor=i.toLowerCase())}return this.gpuInfo=t,t}}})();function r(e){var t=e.targetCanvas,n=t.width,r=t.height,i=e.destinationWidth,a=e.destinationHeight;(n!==i||r!==a)&&(t.width=i,t.height=a)}function i(e,t){var n=e.canvas,r=t.targetCanvas,i=r.getContext(`2d`);i.translate(0,r.height),i.scale(1,-1);var a=n.height-r.height;i.drawImage(n,0,a,r.width,r.height,0,0,r.width,r.height)}function a(e,t){var n=t.targetCanvas.getContext(`2d`),r=t.destinationWidth,i=t.destinationHeight,a=r*i*4,o=new Uint8Array(this.imageBuffer,0,a),s=new Uint8ClampedArray(this.imageBuffer,0,a);e.readPixels(0,0,r,i,e.RGBA,e.UNSIGNED_BYTE,o);var c=new ImageData(s,r,i);n.putImageData(c,0,0)}(function(){var e=function(){};t.Canvas2dFilterBackend=n;function n(){}n.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(e,t,n,r,i){var a=i.getContext(`2d`);a.drawImage(t,0,0,n,r);var o={sourceWidth:n,sourceHeight:r,imageData:a.getImageData(0,0,n,r),originalEl:t,originalImageData:a.getImageData(0,0,n,r),canvasEl:i,ctx:a,filterBackend:this};return e.forEach(function(e){e.applyTo(o)}),(o.imageData.width!==n||o.imageData.height!==r)&&(i.width=o.imageData.width,i.height=o.imageData.height),a.putImageData(o.imageData,0,0),o}}})(),t.Image=t.Image||{},t.Image.filters=t.Image.filters||{},t.Image.filters.BaseFilter=t.util.createClass({type:`BaseFilter`,vertexSource:`attribute vec2 aPosition;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vTexCoord = aPosition;
|
|
gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);
|
|
}`,fragmentSource:`precision highp float;
|
|
varying vec2 vTexCoord;
|
|
uniform sampler2D uTexture;
|
|
void main() {
|
|
gl_FragColor = texture2D(uTexture, vTexCoord);
|
|
}`,initialize:function(e){e&&this.setOptions(e)},setOptions:function(e){for(var t in e)this[t]=e[t]},createProgram:function(e,n,r){n||=this.fragmentSource,r||=this.vertexSource,t.webGlPrecision!==`highp`&&(n=n.replace(/precision highp float/g,`precision `+t.webGlPrecision+` float`));var i=e.createShader(e.VERTEX_SHADER);if(e.shaderSource(i,r),e.compileShader(i),!e.getShaderParameter(i,e.COMPILE_STATUS))throw Error(`Vertex shader compile error for `+this.type+`: `+e.getShaderInfoLog(i));var a=e.createShader(e.FRAGMENT_SHADER);if(e.shaderSource(a,n),e.compileShader(a),!e.getShaderParameter(a,e.COMPILE_STATUS))throw Error(`Fragment shader compile error for `+this.type+`: `+e.getShaderInfoLog(a));var o=e.createProgram();if(e.attachShader(o,i),e.attachShader(o,a),e.linkProgram(o),!e.getProgramParameter(o,e.LINK_STATUS))throw Error('Shader link error for "${this.type}" '+e.getProgramInfoLog(o));var s=this.getAttributeLocations(e,o),c=this.getUniformLocations(e,o)||{};return c.uStepW=e.getUniformLocation(o,`uStepW`),c.uStepH=e.getUniformLocation(o,`uStepH`),{program:o,attributeLocations:s,uniformLocations:c}},getAttributeLocations:function(e,t){return{aPosition:e.getAttribLocation(t,`aPosition`)}},getUniformLocations:function(){return{}},sendAttributeData:function(e,t,n){var r=t.aPosition,i=e.createBuffer();e.bindBuffer(e.ARRAY_BUFFER,i),e.enableVertexAttribArray(r),e.vertexAttribPointer(r,2,e.FLOAT,!1,0,0),e.bufferData(e.ARRAY_BUFFER,n,e.STATIC_DRAW)},_setupFrameBuffer:function(e){var t=e.context,n,r;e.passes>1?(n=e.destinationWidth,r=e.destinationHeight,(e.sourceWidth!==n||e.sourceHeight!==r)&&(t.deleteTexture(e.targetTexture),e.targetTexture=e.filterBackend.createTexture(t,n,r)),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e.targetTexture,0)):(t.bindFramebuffer(t.FRAMEBUFFER,null),t.finish())},_swapTextures:function(e){e.passes--,e.pass++;var t=e.targetTexture;e.targetTexture=e.sourceTexture,e.sourceTexture=t},isNeutralState:function(){var e=this.mainParameter,n=t.Image.filters[this.type].prototype;if(e)if(Array.isArray(n[e])){for(var r=n[e].length;r--;)if(this[e][r]!==n[e][r])return!1;return!0}else return n[e]===this[e];else return!1},applyTo:function(e){e.webgl?(this._setupFrameBuffer(e),this.applyToWebGL(e),this._swapTextures(e)):this.applyTo2d(e)},retrieveShader:function(e){return e.programCache.hasOwnProperty(this.type)||(e.programCache[this.type]=this.createProgram(e.context)),e.programCache[this.type]},applyToWebGL:function(e){var t=e.context,n=this.retrieveShader(e);e.pass===0&&e.originalTexture?t.bindTexture(t.TEXTURE_2D,e.originalTexture):t.bindTexture(t.TEXTURE_2D,e.sourceTexture),t.useProgram(n.program),this.sendAttributeData(t,n.attributeLocations,e.aPosition),t.uniform1f(n.uniformLocations.uStepW,1/e.sourceWidth),t.uniform1f(n.uniformLocations.uStepH,1/e.sourceHeight),this.sendUniformData(t,n.uniformLocations),t.viewport(0,0,e.destinationWidth,e.destinationHeight),t.drawArrays(t.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(e,t,n){e.activeTexture(n),e.bindTexture(e.TEXTURE_2D,t),e.activeTexture(e.TEXTURE0)},unbindAdditionalTexture:function(e,t){e.activeTexture(t),e.bindTexture(e.TEXTURE_2D,null),e.activeTexture(e.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(e){this[this.mainParameter]=e},sendUniformData:function(){},createHelpLayer:function(e){if(!e.helpLayer){var t=document.createElement(`canvas`);t.width=e.sourceWidth,t.height=e.sourceHeight,e.helpLayer=t}},toObject:function(){var e={type:this.type},t=this.mainParameter;return t&&(e[t]=this[t]),e},toJSON:function(){return this.toObject()}}),t.Image.filters.BaseFilter.fromObject=function(e,n){var r=new t.Image.filters[e.type](e);return n&&n(r),r},(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.ColorMatrix=r(n.BaseFilter,{type:`ColorMatrix`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
varying vec2 vTexCoord;
|
|
uniform mat4 uColorMatrix;
|
|
uniform vec4 uConstants;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
color *= uColorMatrix;
|
|
color += uConstants;
|
|
gl_FragColor = color;
|
|
}`,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(e){this.callSuper(`initialize`,e),this.matrix=this.matrix.slice(0)},applyTo2d:function(e){var t=e.imageData.data,n=t.length,r=this.matrix,i,a,o,s,c,l=this.colorsOnly;for(c=0;c<n;c+=4)i=t[c],a=t[c+1],o=t[c+2],l?(t[c]=i*r[0]+a*r[1]+o*r[2]+r[4]*255,t[c+1]=i*r[5]+a*r[6]+o*r[7]+r[9]*255,t[c+2]=i*r[10]+a*r[11]+o*r[12]+r[14]*255):(s=t[c+3],t[c]=i*r[0]+a*r[1]+o*r[2]+s*r[3]+r[4]*255,t[c+1]=i*r[5]+a*r[6]+o*r[7]+s*r[8]+r[9]*255,t[c+2]=i*r[10]+a*r[11]+o*r[12]+s*r[13]+r[14]*255,t[c+3]=i*r[15]+a*r[16]+o*r[17]+s*r[18]+r[19]*255)},getUniformLocations:function(e,t){return{uColorMatrix:e.getUniformLocation(t,`uColorMatrix`),uConstants:e.getUniformLocation(t,`uConstants`)}},sendUniformData:function(e,t){var n=this.matrix,r=[n[0],n[1],n[2],n[3],n[5],n[6],n[7],n[8],n[10],n[11],n[12],n[13],n[15],n[16],n[17],n[18]],i=[n[4],n[9],n[14],n[19]];e.uniformMatrix4fv(t.uColorMatrix,!1,r),e.uniform4fv(t.uConstants,i)}}),t.Image.filters.ColorMatrix.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Brightness=r(n.BaseFilter,{type:`Brightness`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uBrightness;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
color.rgb += uBrightness;
|
|
gl_FragColor = color;
|
|
}`,brightness:0,mainParameter:`brightness`,applyTo2d:function(e){if(this.brightness!==0){var t=e.imageData.data,n,r=t.length,i=Math.round(this.brightness*255);for(n=0;n<r;n+=4)t[n]=t[n]+i,t[n+1]=t[n+1]+i,t[n+2]=t[n+2]+i}},getUniformLocations:function(e,t){return{uBrightness:e.getUniformLocation(t,`uBrightness`)}},sendUniformData:function(e,t){e.uniform1f(t.uBrightness,this.brightness)}}),t.Image.filters.Brightness.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.util.object.extend,r=t.Image.filters,i=t.util.createClass;r.Convolute=i(r.BaseFilter,{type:`Convolute`,opaque:!1,matrix:[0,0,0,0,1,0,0,0,0],fragmentSource:{Convolute_3_1:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[9];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 0);
|
|
for (float h = 0.0; h < 3.0; h+=1.0) {
|
|
for (float w = 0.0; w < 3.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));
|
|
color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];
|
|
}
|
|
}
|
|
gl_FragColor = color;
|
|
}`,Convolute_3_0:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[9];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 1);
|
|
for (float h = 0.0; h < 3.0; h+=1.0) {
|
|
for (float w = 0.0; w < 3.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));
|
|
color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];
|
|
}
|
|
}
|
|
float alpha = texture2D(uTexture, vTexCoord).a;
|
|
gl_FragColor = color;
|
|
gl_FragColor.a = alpha;
|
|
}`,Convolute_5_1:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[25];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 0);
|
|
for (float h = 0.0; h < 5.0; h+=1.0) {
|
|
for (float w = 0.0; w < 5.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));
|
|
color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];
|
|
}
|
|
}
|
|
gl_FragColor = color;
|
|
}`,Convolute_5_0:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[25];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 1);
|
|
for (float h = 0.0; h < 5.0; h+=1.0) {
|
|
for (float w = 0.0; w < 5.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));
|
|
color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];
|
|
}
|
|
}
|
|
float alpha = texture2D(uTexture, vTexCoord).a;
|
|
gl_FragColor = color;
|
|
gl_FragColor.a = alpha;
|
|
}`,Convolute_7_1:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[49];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 0);
|
|
for (float h = 0.0; h < 7.0; h+=1.0) {
|
|
for (float w = 0.0; w < 7.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));
|
|
color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];
|
|
}
|
|
}
|
|
gl_FragColor = color;
|
|
}`,Convolute_7_0:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[49];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 1);
|
|
for (float h = 0.0; h < 7.0; h+=1.0) {
|
|
for (float w = 0.0; w < 7.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));
|
|
color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];
|
|
}
|
|
}
|
|
float alpha = texture2D(uTexture, vTexCoord).a;
|
|
gl_FragColor = color;
|
|
gl_FragColor.a = alpha;
|
|
}`,Convolute_9_1:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[81];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 0);
|
|
for (float h = 0.0; h < 9.0; h+=1.0) {
|
|
for (float w = 0.0; w < 9.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));
|
|
color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];
|
|
}
|
|
}
|
|
gl_FragColor = color;
|
|
}`,Convolute_9_0:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uMatrix[81];
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = vec4(0, 0, 0, 1);
|
|
for (float h = 0.0; h < 9.0; h+=1.0) {
|
|
for (float w = 0.0; w < 9.0; w+=1.0) {
|
|
vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));
|
|
color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];
|
|
}
|
|
}
|
|
float alpha = texture2D(uTexture, vTexCoord).a;
|
|
gl_FragColor = color;
|
|
gl_FragColor.a = alpha;
|
|
}`},retrieveShader:function(e){var t=Math.sqrt(this.matrix.length),n=this.type+`_`+t+`_`+ +!!this.opaque,r=this.fragmentSource[n];return e.programCache.hasOwnProperty(n)||(e.programCache[n]=this.createProgram(e.context,r)),e.programCache[n]},applyTo2d:function(e){var t=e.imageData,n=t.data,r=this.matrix,i=Math.round(Math.sqrt(r.length)),a=Math.floor(i/2),o=t.width,s=t.height,c=e.ctx.createImageData(o,s),l=c.data,u=+!!this.opaque,d,f,p,m,h,g,_,v,y,b,x,S,C;for(x=0;x<s;x++)for(b=0;b<o;b++){for(h=(x*o+b)*4,d=0,f=0,p=0,m=0,C=0;C<i;C++)for(S=0;S<i;S++)_=x+C-a,g=b+S-a,!(_<0||_>=s||g<0||g>=o)&&(v=(_*o+g)*4,y=r[C*i+S],d+=n[v]*y,f+=n[v+1]*y,p+=n[v+2]*y,u||(m+=n[v+3]*y));l[h]=d,l[h+1]=f,l[h+2]=p,u?l[h+3]=n[h+3]:l[h+3]=m}e.imageData=c},getUniformLocations:function(e,t){return{uMatrix:e.getUniformLocation(t,`uMatrix`),uOpaque:e.getUniformLocation(t,`uOpaque`),uHalfSize:e.getUniformLocation(t,`uHalfSize`),uSize:e.getUniformLocation(t,`uSize`)}},sendUniformData:function(e,t){e.uniform1fv(t.uMatrix,this.matrix)},toObject:function(){return n(this.callSuper(`toObject`),{opaque:this.opaque,matrix:this.matrix})}}),t.Image.filters.Convolute.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Grayscale=r(n.BaseFilter,{type:`Grayscale`,fragmentSource:{average:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
float average = (color.r + color.b + color.g) / 3.0;
|
|
gl_FragColor = vec4(average, average, average, color.a);
|
|
}`,lightness:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform int uMode;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 col = texture2D(uTexture, vTexCoord);
|
|
float average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;
|
|
gl_FragColor = vec4(average, average, average, col.a);
|
|
}`,luminosity:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform int uMode;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 col = texture2D(uTexture, vTexCoord);
|
|
float average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;
|
|
gl_FragColor = vec4(average, average, average, col.a);
|
|
}`},mode:`average`,mainParameter:`mode`,applyTo2d:function(e){var t=e.imageData.data,n,r=t.length,i,a=this.mode;for(n=0;n<r;n+=4)a===`average`?i=(t[n]+t[n+1]+t[n+2])/3:a===`lightness`?i=(Math.min(t[n],t[n+1],t[n+2])+Math.max(t[n],t[n+1],t[n+2]))/2:a===`luminosity`&&(i=.21*t[n]+.72*t[n+1]+.07*t[n+2]),t[n]=i,t[n+1]=i,t[n+2]=i},retrieveShader:function(e){var t=this.type+`_`+this.mode;if(!e.programCache.hasOwnProperty(t)){var n=this.fragmentSource[this.mode];e.programCache[t]=this.createProgram(e.context,n)}return e.programCache[t]},getUniformLocations:function(e,t){return{uMode:e.getUniformLocation(t,`uMode`)}},sendUniformData:function(e,t){e.uniform1i(t.uMode,1)},isNeutralState:function(){return!1}}),t.Image.filters.Grayscale.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Invert=r(n.BaseFilter,{type:`Invert`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform int uInvert;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
if (uInvert == 1) {
|
|
gl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);
|
|
} else {
|
|
gl_FragColor = color;
|
|
}
|
|
}`,invert:!0,mainParameter:`invert`,applyTo2d:function(e){var t=e.imageData.data,n,r=t.length;for(n=0;n<r;n+=4)t[n]=255-t[n],t[n+1]=255-t[n+1],t[n+2]=255-t[n+2]},isNeutralState:function(){return!this.invert},getUniformLocations:function(e,t){return{uInvert:e.getUniformLocation(t,`uInvert`)}},sendUniformData:function(e,t){e.uniform1i(t.uInvert,this.invert)}}),t.Image.filters.Invert.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.util.object.extend,r=t.Image.filters,i=t.util.createClass;r.Noise=i(r.BaseFilter,{type:`Noise`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uStepH;
|
|
uniform float uNoise;
|
|
uniform float uSeed;
|
|
varying vec2 vTexCoord;
|
|
float rand(vec2 co, float seed, float vScale) {
|
|
return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);
|
|
}
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;
|
|
gl_FragColor = color;
|
|
}`,mainParameter:`noise`,noise:0,applyTo2d:function(e){if(this.noise!==0){var t=e.imageData.data,n,r=t.length,i=this.noise,a;for(n=0,r=t.length;n<r;n+=4)a=(.5-Math.random())*i,t[n]+=a,t[n+1]+=a,t[n+2]+=a}},getUniformLocations:function(e,t){return{uNoise:e.getUniformLocation(t,`uNoise`),uSeed:e.getUniformLocation(t,`uSeed`)}},sendUniformData:function(e,t){e.uniform1f(t.uNoise,this.noise/255),e.uniform1f(t.uSeed,Math.random())},toObject:function(){return n(this.callSuper(`toObject`),{noise:this.noise})}}),t.Image.filters.Noise.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Pixelate=r(n.BaseFilter,{type:`Pixelate`,blocksize:4,mainParameter:`blocksize`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uBlocksize;
|
|
uniform float uStepW;
|
|
uniform float uStepH;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
float blockW = uBlocksize * uStepW;
|
|
float blockH = uBlocksize * uStepW;
|
|
int posX = int(vTexCoord.x / blockW);
|
|
int posY = int(vTexCoord.y / blockH);
|
|
float fposX = float(posX);
|
|
float fposY = float(posY);
|
|
vec2 squareCoords = vec2(fposX * blockW, fposY * blockH);
|
|
vec4 color = texture2D(uTexture, squareCoords);
|
|
gl_FragColor = color;
|
|
}`,applyTo2d:function(e){var t=e.imageData,n=t.data,r=t.height,i=t.width,a,o,s,c,l,u,d,f,p,m,h;for(o=0;o<r;o+=this.blocksize)for(s=0;s<i;s+=this.blocksize)for(a=o*4*i+s*4,c=n[a],l=n[a+1],u=n[a+2],d=n[a+3],m=Math.min(o+this.blocksize,r),h=Math.min(s+this.blocksize,i),f=o;f<m;f++)for(p=s;p<h;p++)a=f*4*i+p*4,n[a]=c,n[a+1]=l,n[a+2]=u,n[a+3]=d},isNeutralState:function(){return this.blocksize===1},getUniformLocations:function(e,t){return{uBlocksize:e.getUniformLocation(t,`uBlocksize`),uStepW:e.getUniformLocation(t,`uStepW`),uStepH:e.getUniformLocation(t,`uStepH`)}},sendUniformData:function(e,t){e.uniform1f(t.uBlocksize,this.blocksize)}}),t.Image.filters.Pixelate.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.util.object.extend,r=t.Image.filters,i=t.util.createClass;r.RemoveColor=i(r.BaseFilter,{type:`RemoveColor`,color:`#FFFFFF`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform vec4 uLow;
|
|
uniform vec4 uHigh;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
gl_FragColor = texture2D(uTexture, vTexCoord);
|
|
if(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {
|
|
gl_FragColor.a = 0.0;
|
|
}
|
|
}`,distance:.02,useAlpha:!1,applyTo2d:function(e){var n=e.imageData.data,r,i=this.distance*255,a,o,s,c=new t.Color(this.color).getSource(),l=[c[0]-i,c[1]-i,c[2]-i],u=[c[0]+i,c[1]+i,c[2]+i];for(r=0;r<n.length;r+=4)a=n[r],o=n[r+1],s=n[r+2],a>l[0]&&o>l[1]&&s>l[2]&&a<u[0]&&o<u[1]&&s<u[2]&&(n[r+3]=0)},getUniformLocations:function(e,t){return{uLow:e.getUniformLocation(t,`uLow`),uHigh:e.getUniformLocation(t,`uHigh`)}},sendUniformData:function(e,n){var r=new t.Color(this.color).getSource(),i=parseFloat(this.distance),a=[0+r[0]/255-i,0+r[1]/255-i,0+r[2]/255-i,1],o=[r[0]/255+i,r[1]/255+i,r[2]/255+i,1];e.uniform4fv(n.uLow,a),e.uniform4fv(n.uHigh,o)},toObject:function(){return n(this.callSuper(`toObject`),{color:this.color,distance:this.distance})}}),t.Image.filters.RemoveColor.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass,i={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 a in i)n[a]=r(n.ColorMatrix,{type:a,matrix:i[a],mainParameter:!1,colorsOnly:!0}),t.Image.filters[a].fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric,n=t.Image.filters,r=t.util.createClass;n.BlendColor=r(n.BaseFilter,{type:`BlendColor`,color:`#F95C63`,mode:`multiply`,alpha:1,fragmentSource:{multiply:`gl_FragColor.rgb *= uColor.rgb;
|
|
`,screen:`gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);
|
|
`,add:`gl_FragColor.rgb += uColor.rgb;
|
|
`,diff:`gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);
|
|
`,subtract:`gl_FragColor.rgb -= uColor.rgb;
|
|
`,lighten:`gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);
|
|
`,darken:`gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);
|
|
`,exclusion:`gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);
|
|
`,overlay:`if (uColor.r < 0.5) {
|
|
gl_FragColor.r *= 2.0 * uColor.r;
|
|
} else {
|
|
gl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);
|
|
}
|
|
if (uColor.g < 0.5) {
|
|
gl_FragColor.g *= 2.0 * uColor.g;
|
|
} else {
|
|
gl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);
|
|
}
|
|
if (uColor.b < 0.5) {
|
|
gl_FragColor.b *= 2.0 * uColor.b;
|
|
} else {
|
|
gl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);
|
|
}
|
|
`,tint:`gl_FragColor.rgb *= (1.0 - uColor.a);
|
|
gl_FragColor.rgb += uColor.rgb;
|
|
`},buildSource:function(e){return`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform vec4 uColor;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
gl_FragColor = color;
|
|
if (color.a > 0.0) {
|
|
`+this.fragmentSource[e]+`}
|
|
}`},retrieveShader:function(e){var t=this.type+`_`+this.mode,n;return e.programCache.hasOwnProperty(t)||(n=this.buildSource(this.mode),e.programCache[t]=this.createProgram(e.context,n)),e.programCache[t]},applyTo2d:function(e){var n=e.imageData.data,r=n.length,i,a,o,s,c,l,u,d=1-this.alpha;u=new t.Color(this.color).getSource(),i=u[0]*this.alpha,a=u[1]*this.alpha,o=u[2]*this.alpha;for(var f=0;f<r;f+=4)switch(s=n[f],c=n[f+1],l=n[f+2],this.mode){case`multiply`:n[f]=s*i/255,n[f+1]=c*a/255,n[f+2]=l*o/255;break;case`screen`:n[f]=255-(255-s)*(255-i)/255,n[f+1]=255-(255-c)*(255-a)/255,n[f+2]=255-(255-l)*(255-o)/255;break;case`add`:n[f]=s+i,n[f+1]=c+a,n[f+2]=l+o;break;case`diff`:case`difference`:n[f]=Math.abs(s-i),n[f+1]=Math.abs(c-a),n[f+2]=Math.abs(l-o);break;case`subtract`:n[f]=s-i,n[f+1]=c-a,n[f+2]=l-o;break;case`darken`:n[f]=Math.min(s,i),n[f+1]=Math.min(c,a),n[f+2]=Math.min(l,o);break;case`lighten`:n[f]=Math.max(s,i),n[f+1]=Math.max(c,a),n[f+2]=Math.max(l,o);break;case`overlay`:n[f]=i<128?2*s*i/255:255-2*(255-s)*(255-i)/255,n[f+1]=a<128?2*c*a/255:255-2*(255-c)*(255-a)/255,n[f+2]=o<128?2*l*o/255:255-2*(255-l)*(255-o)/255;break;case`exclusion`:n[f]=i+s-2*i*s/255,n[f+1]=a+c-2*a*c/255,n[f+2]=o+l-2*o*l/255;break;case`tint`:n[f]=i+s*d,n[f+1]=a+c*d,n[f+2]=o+l*d}},getUniformLocations:function(e,t){return{uColor:e.getUniformLocation(t,`uColor`)}},sendUniformData:function(e,n){var r=new t.Color(this.color).getSource();r[0]=this.alpha*r[0]/255,r[1]=this.alpha*r[1]/255,r[2]=this.alpha*r[2]/255,r[3]=this.alpha,e.uniform4fv(n.uColor,r)},toObject:function(){return{type:this.type,color:this.color,mode:this.mode,alpha:this.alpha}}}),t.Image.filters.BlendColor.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric,n=t.Image.filters,r=t.util.createClass;n.BlendImage=r(n.BaseFilter,{type:`BlendImage`,image:null,mode:`multiply`,alpha:1,vertexSource:`attribute vec2 aPosition;
|
|
varying vec2 vTexCoord;
|
|
varying vec2 vTexCoord2;
|
|
uniform mat3 uTransformMatrix;
|
|
void main() {
|
|
vTexCoord = aPosition;
|
|
vTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;
|
|
gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);
|
|
}`,fragmentSource:{multiply:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform sampler2D uImage;
|
|
uniform vec4 uColor;
|
|
varying vec2 vTexCoord;
|
|
varying vec2 vTexCoord2;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
vec4 color2 = texture2D(uImage, vTexCoord2);
|
|
color.rgba *= color2.rgba;
|
|
gl_FragColor = color;
|
|
}`,mask:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform sampler2D uImage;
|
|
uniform vec4 uColor;
|
|
varying vec2 vTexCoord;
|
|
varying vec2 vTexCoord2;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
vec4 color2 = texture2D(uImage, vTexCoord2);
|
|
color.a = color2.a;
|
|
gl_FragColor = color;
|
|
}`},retrieveShader:function(e){var t=this.type+`_`+this.mode,n=this.fragmentSource[this.mode];return e.programCache.hasOwnProperty(t)||(e.programCache[t]=this.createProgram(e.context,n)),e.programCache[t]},applyToWebGL:function(e){var t=e.context,n=this.createTexture(e.filterBackend,this.image);this.bindAdditionalTexture(t,n,t.TEXTURE1),this.callSuper(`applyToWebGL`,e),this.unbindAdditionalTexture(t,t.TEXTURE1)},createTexture:function(e,t){return e.getCachedTexture(t.cacheKey,t._element)},calculateMatrix:function(){var e=this.image,t=e._element.width,n=e._element.height;return[1/e.scaleX,0,0,0,1/e.scaleY,0,-e.left/t,-e.top/n,1]},applyTo2d:function(e){var n=e.imageData,r=e.filterBackend.resources,i=n.data,a=i.length,o=n.width,s=n.height,c,l,u,d,f,p,m,h,g,_,v=this.image,y;r.blendImage||=t.util.createCanvasElement(),g=r.blendImage,_=g.getContext(`2d`),g.width!==o||g.height!==s?(g.width=o,g.height=s):_.clearRect(0,0,o,s),_.setTransform(v.scaleX,0,0,v.scaleY,v.left,v.top),_.drawImage(v._element,0,0,o,s),y=_.getImageData(0,0,o,s).data;for(var b=0;b<a;b+=4)switch(f=i[b],p=i[b+1],m=i[b+2],h=i[b+3],c=y[b],l=y[b+1],u=y[b+2],d=y[b+3],this.mode){case`multiply`:i[b]=f*c/255,i[b+1]=p*l/255,i[b+2]=m*u/255,i[b+3]=h*d/255;break;case`mask`:i[b+3]=d;break}},getUniformLocations:function(e,t){return{uTransformMatrix:e.getUniformLocation(t,`uTransformMatrix`),uImage:e.getUniformLocation(t,`uImage`)}},sendUniformData:function(e,t){var n=this.calculateMatrix();e.uniform1i(t.uImage,1),e.uniformMatrix3fv(t.uTransformMatrix,!1,n)},toObject:function(){return{type:this.type,image:this.image&&this.image.toObject(),mode:this.mode,alpha:this.alpha}}}),t.Image.filters.BlendImage.fromObject=function(e,n){t.Image.fromObject(e.image,function(r){var i=t.util.object.clone(e);i.image=r,n(new t.Image.filters.BlendImage(i))})}})(e),(function(e){var t=e.fabric||={},n=Math.pow,r=Math.floor,i=Math.sqrt,a=Math.abs,o=Math.round,s=Math.sin,c=Math.ceil,l=t.Image.filters,u=t.util.createClass;l.Resize=u(l.BaseFilter,{type:`Resize`,resizeType:`hermite`,scaleX:1,scaleY:1,lanczosLobes:3,getUniformLocations:function(e,t){return{uDelta:e.getUniformLocation(t,`uDelta`),uTaps:e.getUniformLocation(t,`uTaps`)}},sendUniformData:function(e,t){e.uniform2fv(t.uDelta,this.horizontal?[1/this.width,0]:[0,1/this.height]),e.uniform1fv(t.uTaps,this.taps)},retrieveShader:function(e){var t=this.getFilterWindow(),n=this.type+`_`+t;if(!e.programCache.hasOwnProperty(n)){var r=this.generateShader(t);e.programCache[n]=this.createProgram(e.context,r)}return e.programCache[n]},getFilterWindow:function(){var e=this.tempScale;return Math.ceil(this.lanczosLobes/e)},getTaps:function(){for(var e=this.lanczosCreate(this.lanczosLobes),t=this.tempScale,n=this.getFilterWindow(),r=Array(n),i=1;i<=n;i++)r[i-1]=e(i*t);return r},generateShader:function(e){for(var t=Array(e),n=this.fragmentSourceTOP,e,r=1;r<=e;r++)t[r-1]=r+`.0 * uDelta`;return n+=`uniform float uTaps[`+e+`];
|
|
`,n+=`void main() {
|
|
`,n+=` vec4 color = texture2D(uTexture, vTexCoord);
|
|
`,n+=` float sum = 1.0;
|
|
`,t.forEach(function(e,t){n+=` color += texture2D(uTexture, vTexCoord + `+e+`) * uTaps[`+t+`];
|
|
`,n+=` color += texture2D(uTexture, vTexCoord - `+e+`) * uTaps[`+t+`];
|
|
`,n+=` sum += 2.0 * uTaps[`+t+`];
|
|
`}),n+=` gl_FragColor = color / sum;
|
|
`,n+=`}`,n},fragmentSourceTOP:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform vec2 uDelta;
|
|
varying vec2 vTexCoord;
|
|
`,applyTo:function(e){e.webgl?(e.passes++,this.width=e.sourceWidth,this.horizontal=!0,this.dW=Math.round(this.width*this.scaleX),this.dH=e.sourceHeight,this.tempScale=this.dW/this.width,this.taps=this.getTaps(),e.destinationWidth=this.dW,this._setupFrameBuffer(e),this.applyToWebGL(e),this._swapTextures(e),e.sourceWidth=e.destinationWidth,this.height=e.sourceHeight,this.horizontal=!1,this.dH=Math.round(this.height*this.scaleY),this.tempScale=this.dH/this.height,this.taps=this.getTaps(),e.destinationHeight=this.dH,this._setupFrameBuffer(e),this.applyToWebGL(e),this._swapTextures(e),e.sourceHeight=e.destinationHeight):this.applyTo2d(e)},isNeutralState:function(){return this.scaleX===1&&this.scaleY===1},lanczosCreate:function(e){return function(t){if(t>=e||t<=-e)return 0;if(t<1.1920929e-7&&t>-1.1920929e-7)return 1;t*=Math.PI;var n=t/e;return s(t)/t*s(n)/n}},applyTo2d:function(e){var t=e.imageData,n=this.scaleX,r=this.scaleY;this.rcpScaleX=1/n,this.rcpScaleY=1/r;var i=t.width,a=t.height,s=o(i*n),c=o(a*r),l;this.resizeType===`sliceHack`?l=this.sliceByTwo(e,i,a,s,c):this.resizeType===`hermite`?l=this.hermiteFastResize(e,i,a,s,c):this.resizeType===`bilinear`?l=this.bilinearFiltering(e,i,a,s,c):this.resizeType===`lanczos`&&(l=this.lanczosResize(e,i,a,s,c)),e.imageData=l},sliceByTwo:function(e,n,i,a,o){var s=e.imageData,c=.5,l=!1,u=!1,d=n*c,f=i*c,p=t.filterBackend.resources,m,h,g=0,_=0,v=n,y=0;for(p.sliceByTwo||=document.createElement(`canvas`),m=p.sliceByTwo,(m.width<n*1.5||m.height<i)&&(m.width=n*1.5,m.height=i),h=m.getContext(`2d`),h.clearRect(0,0,n*1.5,i),h.putImageData(s,0,0),a=r(a),o=r(o);!l||!u;)n=d,i=f,a<r(d*c)?d=r(d*c):(d=a,l=!0),o<r(f*c)?f=r(f*c):(f=o,u=!0),h.drawImage(m,g,_,n,i,v,y,d,f),g=v,_=y,y+=f;return h.getImageData(g,_,a,o)},lanczosResize:function(e,t,o,s,l){function u(e){var c,w,T,E,D,O,k,A,j,M,N;for(S.x=(e+.5)*h,C.x=r(S.x),c=0;c<l;c++){for(S.y=(c+.5)*g,C.y=r(S.y),D=0,O=0,k=0,A=0,j=0,w=C.x-y;w<=C.x+y;w++)if(!(w<0||w>=t)){M=r(1e3*a(w-S.x)),x[M]||(x[M]={});for(var ee=C.y-b;ee<=C.y+b;ee++)ee<0||ee>=o||(N=r(1e3*a(ee-S.y)),x[M][N]||(x[M][N]=m(i(n(M*_,2)+n(N*v,2))/1e3)),T=x[M][N],T>0&&(E=(ee*t+w)*4,D+=T,O+=T*d[E],k+=T*d[E+1],A+=T*d[E+2],j+=T*d[E+3]))}E=(c*s+e)*4,p[E]=O/D,p[E+1]=k/D,p[E+2]=A/D,p[E+3]=j/D}return++e<s?u(e):f}var d=e.imageData.data,f=e.ctx.createImageData(s,l),p=f.data,m=this.lanczosCreate(this.lanczosLobes),h=this.rcpScaleX,g=this.rcpScaleY,_=2/this.rcpScaleX,v=2/this.rcpScaleY,y=c(h*this.lanczosLobes/2),b=c(g*this.lanczosLobes/2),x={},S={},C={};return u(0)},bilinearFiltering:function(e,t,n,i,a){var o,s,c,l,u,d,f,p,m,h,g,_,v=0,y,b=this.rcpScaleX,x=this.rcpScaleY,S=4*(t-1),C=e.imageData.data,w=e.ctx.createImageData(i,a),T=w.data;for(f=0;f<a;f++)for(p=0;p<i;p++)for(u=r(b*p),d=r(x*f),m=b*p-u,h=x*f-d,y=4*(d*t+u),g=0;g<4;g++)o=C[y+g],s=C[y+4+g],c=C[y+S+g],l=C[y+S+4+g],_=o*(1-m)*(1-h)+s*m*(1-h)+c*h*(1-m)+l*m*h,T[v++]=_;return w},hermiteFastResize:function(e,t,n,o,s){for(var l=this.rcpScaleX,u=this.rcpScaleY,d=c(l/2),f=c(u/2),p=e.imageData.data,m=e.ctx.createImageData(o,s),h=m.data,g=0;g<s;g++)for(var _=0;_<o;_++){for(var v=(_+g*o)*4,y=0,b=0,x=0,S=0,C=0,w=0,T=0,E=(g+.5)*u,D=r(g*u);D<(g+1)*u;D++)for(var O=a(E-(D+.5))/f,k=(_+.5)*l,A=O*O,j=r(_*l);j<(_+1)*l;j++){var M=a(k-(j+.5))/d,N=i(A+M*M);N>1&&N<-1||(y=2*N*N*N-3*N*N+1,y>0&&(M=4*(j+D*t),T+=y*p[M+3],x+=y,p[M+3]<255&&(y=y*p[M+3]/250),S+=y*p[M],C+=y*p[M+1],w+=y*p[M+2],b+=y))}h[v]=S/b,h[v+1]=C/b,h[v+2]=w/b,h[v+3]=T/x}return m},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),t.Image.filters.Resize.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Contrast=r(n.BaseFilter,{type:`Contrast`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uContrast;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
float contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));
|
|
color.rgb = contrastF * (color.rgb - 0.5) + 0.5;
|
|
gl_FragColor = color;
|
|
}`,contrast:0,mainParameter:`contrast`,applyTo2d:function(e){if(this.contrast!==0){var t=e.imageData,n,r,i=t.data,r=i.length,a=Math.floor(this.contrast*255),o=259*(a+255)/(255*(259-a));for(n=0;n<r;n+=4)i[n]=o*(i[n]-128)+128,i[n+1]=o*(i[n+1]-128)+128,i[n+2]=o*(i[n+2]-128)+128}},getUniformLocations:function(e,t){return{uContrast:e.getUniformLocation(t,`uContrast`)}},sendUniformData:function(e,t){e.uniform1f(t.uContrast,this.contrast)}}),t.Image.filters.Contrast.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Saturation=r(n.BaseFilter,{type:`Saturation`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uSaturation;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
float rgMax = max(color.r, color.g);
|
|
float rgbMax = max(rgMax, color.b);
|
|
color.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;
|
|
color.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;
|
|
color.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;
|
|
gl_FragColor = color;
|
|
}`,saturation:0,mainParameter:`saturation`,applyTo2d:function(e){if(this.saturation!==0){var t=e.imageData.data,n=t.length,r=-this.saturation,i,a;for(i=0;i<n;i+=4)a=Math.max(t[i],t[i+1],t[i+2]),t[i]+=a===t[i]?0:(a-t[i])*r,t[i+1]+=a===t[i+1]?0:(a-t[i+1])*r,t[i+2]+=a===t[i+2]?0:(a-t[i+2])*r}},getUniformLocations:function(e,t){return{uSaturation:e.getUniformLocation(t,`uSaturation`)}},sendUniformData:function(e,t){e.uniform1f(t.uSaturation,-this.saturation)}}),t.Image.filters.Saturation.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Vibrance=r(n.BaseFilter,{type:`Vibrance`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform float uVibrance;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
float max = max(color.r, max(color.g, color.b));
|
|
float avg = (color.r + color.g + color.b) / 3.0;
|
|
float amt = (abs(max - avg) * 2.0) * uVibrance;
|
|
color.r += max != color.r ? (max - color.r) * amt : 0.00;
|
|
color.g += max != color.g ? (max - color.g) * amt : 0.00;
|
|
color.b += max != color.b ? (max - color.b) * amt : 0.00;
|
|
gl_FragColor = color;
|
|
}`,vibrance:0,mainParameter:`vibrance`,applyTo2d:function(e){if(this.vibrance!==0){var t=e.imageData.data,n=t.length,r=-this.vibrance,i,a,o,s;for(i=0;i<n;i+=4)a=Math.max(t[i],t[i+1],t[i+2]),o=(t[i]+t[i+1]+t[i+2])/3,s=Math.abs(a-o)*2/255*r,t[i]+=a===t[i]?0:(a-t[i])*s,t[i+1]+=a===t[i+1]?0:(a-t[i+1])*s,t[i+2]+=a===t[i+2]?0:(a-t[i+2])*s}},getUniformLocations:function(e,t){return{uVibrance:e.getUniformLocation(t,`uVibrance`)}},sendUniformData:function(e,t){e.uniform1f(t.uVibrance,-this.vibrance)}}),t.Image.filters.Vibrance.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Blur=r(n.BaseFilter,{type:`Blur`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform vec2 uDelta;
|
|
varying vec2 vTexCoord;
|
|
const float nSamples = 15.0;
|
|
vec3 v3offset = vec3(12.9898, 78.233, 151.7182);
|
|
float random(vec3 scale) {
|
|
return fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);
|
|
}
|
|
void main() {
|
|
vec4 color = vec4(0.0);
|
|
float total = 0.0;
|
|
float offset = random(v3offset);
|
|
for (float t = -nSamples; t <= nSamples; t++) {
|
|
float percent = (t + offset - 0.5) / nSamples;
|
|
float weight = 1.0 - abs(percent);
|
|
color += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;
|
|
total += weight;
|
|
}
|
|
gl_FragColor = color / total;
|
|
}`,blur:0,mainParameter:`blur`,applyTo:function(e){e.webgl?(this.aspectRatio=e.sourceWidth/e.sourceHeight,e.passes++,this._setupFrameBuffer(e),this.horizontal=!0,this.applyToWebGL(e),this._swapTextures(e),this._setupFrameBuffer(e),this.horizontal=!1,this.applyToWebGL(e),this._swapTextures(e)):this.applyTo2d(e)},applyTo2d:function(e){e.imageData=this.simpleBlur(e)},simpleBlur:function(e){var n=e.filterBackend.resources,r,i,a=e.imageData.width,o=e.imageData.height;n.blurLayer1||(n.blurLayer1=t.util.createCanvasElement(),n.blurLayer2=t.util.createCanvasElement()),r=n.blurLayer1,i=n.blurLayer2,(r.width!==a||r.height!==o)&&(i.width=r.width=a,i.height=r.height=o);var s=r.getContext(`2d`),c=i.getContext(`2d`),l=15,u,d,f,p,m=this.blur*.06*.5;for(s.putImageData(e.imageData,0,0),c.clearRect(0,0,a,o),p=-l;p<=l;p++)u=(Math.random()-.5)/4,d=p/l,f=m*d*a+u,c.globalAlpha=1-Math.abs(d),c.drawImage(r,f,u),s.drawImage(i,0,0),c.globalAlpha=1,c.clearRect(0,0,i.width,i.height);for(p=-l;p<=l;p++)u=(Math.random()-.5)/4,d=p/l,f=m*d*o+u,c.globalAlpha=1-Math.abs(d),c.drawImage(r,u,f),s.drawImage(i,0,0),c.globalAlpha=1,c.clearRect(0,0,i.width,i.height);e.ctx.drawImage(r,0,0);var h=e.ctx.getImageData(0,0,r.width,r.height);return s.globalAlpha=1,s.clearRect(0,0,r.width,r.height),h},getUniformLocations:function(e,t){return{delta:e.getUniformLocation(t,`uDelta`)}},sendUniformData:function(e,t){var n=this.chooseRightDelta();e.uniform2fv(t.delta,n)},chooseRightDelta:function(){var e=1,t=[0,0],n;return this.horizontal?this.aspectRatio>1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),n=e*this.blur*.12,this.horizontal?t[0]=n:t[1]=n,t}}),n.Blur.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Gamma=r(n.BaseFilter,{type:`Gamma`,fragmentSource:`precision highp float;
|
|
uniform sampler2D uTexture;
|
|
uniform vec3 uGamma;
|
|
varying vec2 vTexCoord;
|
|
void main() {
|
|
vec4 color = texture2D(uTexture, vTexCoord);
|
|
vec3 correction = (1.0 / uGamma);
|
|
color.r = pow(color.r, correction.r);
|
|
color.g = pow(color.g, correction.g);
|
|
color.b = pow(color.b, correction.b);
|
|
gl_FragColor = color;
|
|
gl_FragColor.rgb *= color.a;
|
|
}`,gamma:[1,1,1],mainParameter:`gamma`,initialize:function(e){this.gamma=[1,1,1],n.BaseFilter.prototype.initialize.call(this,e)},applyTo2d:function(e){var t=e.imageData.data,n=this.gamma,r=t.length,i=1/n[0],a=1/n[1],o=1/n[2],s;for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),s=0,r=256;s<r;s++)this.rVals[s]=(s/255)**i*255,this.gVals[s]=(s/255)**a*255,this.bVals[s]=(s/255)**o*255;for(s=0,r=t.length;s<r;s+=4)t[s]=this.rVals[t[s]],t[s+1]=this.gVals[t[s+1]],t[s+2]=this.bVals[t[s+2]]},getUniformLocations:function(e,t){return{uGamma:e.getUniformLocation(t,`uGamma`)}},sendUniformData:function(e,t){e.uniform3fv(t.uGamma,this.gamma)}}),t.Image.filters.Gamma.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.Composed=r(n.BaseFilter,{type:`Composed`,subFilters:[],initialize:function(e){this.callSuper(`initialize`,e),this.subFilters=this.subFilters.slice(0)},applyTo:function(e){e.passes+=this.subFilters.length-1,this.subFilters.forEach(function(t){t.applyTo(e)})},toObject:function(){return t.util.object.extend(this.callSuper(`toObject`),{subFilters:this.subFilters.map(function(e){return e.toObject()})})},isNeutralState:function(){return!this.subFilters.some(function(e){return!e.isNeutralState()})}}),t.Image.filters.Composed.fromObject=function(e,n){var r=(e.subFilters||[]).map(function(e){return new t.Image.filters[e.type](e)}),i=new t.Image.filters.Composed({subFilters:r});return n&&n(i),i}})(e),(function(e){var t=e.fabric||={},n=t.Image.filters,r=t.util.createClass;n.HueRotation=r(n.ColorMatrix,{type:`HueRotation`,rotation:0,mainParameter:`rotation`,calculateMatrix:function(){var e=this.rotation*Math.PI,n=t.util.cos(e),r=t.util.sin(e),i=1/3,a=Math.sqrt(i)*r,o=1-n;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]=n+o/3,this.matrix[1]=i*o-a,this.matrix[2]=i*o+a,this.matrix[5]=i*o+a,this.matrix[6]=n+i*o,this.matrix[7]=i*o-a,this.matrix[10]=i*o-a,this.matrix[11]=i*o+a,this.matrix[12]=n+i*o},isNeutralState:function(e){return this.calculateMatrix(),n.BaseFilter.prototype.isNeutralState.call(this,e)},applyTo:function(e){this.calculateMatrix(),n.BaseFilter.prototype.applyTo.call(this,e)}}),t.Image.filters.HueRotation.fromObject=t.Image.filters.BaseFilter.fromObject})(e),(function(e){var t=e.fabric||={},n=t.util.object.clone;if(t.Text){t.warn(`fabric.Text is already defined`);return}var r=`fontFamily fontWeight fontSize text underline overline linethrough textAlign fontStyle lineHeight textBackgroundColor charSpacing styles direction path pathStartOffset pathSide pathAlign`.split(` `);t.Text=t.util.createClass(t.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:t.Object.prototype.stateProperties.concat(r),cacheProperties:t.Object.prototype.cacheProperties.concat(r),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(e,t){this.styles=t&&t.styles||{},this.text=e,this.__skipDimension=!0,this.callSuper(`initialize`,t),this.path&&this.setPathInfo(),this.__skipDimension=!1,this.initDimensions(),this.setCoords(),this.setupState({propertySet:`_dimensionAffectingProps`})},setPathInfo:function(){var e=this.path;e&&(e.segmentsInfo=t.util.getPathSegmentsInfo(e.path))},getMeasuringContext:function(){return t._measuringContext||=this.canvas&&this.canvas.contextCache||t.util.createCanvasElement().getContext(`2d`),t._measuringContext},_splitText:function(){var e=this._splitTextIntoLines(this.text);return this.textLines=e.lines,this._textLines=e.graphemeLines,this._unwrappedTextLines=e._unwrappedLines,this._text=e.graphemeText,e},initDimensions:function(){if(!this.__skipDimension){if(this._splitText(),this._clearCache(),this.path){var e=this.getHeightOfLine(0)*1.1;this.width=this.path.width+e,this.height=this.path.height+e}else this.width=this.calcTextWidth()||this.cursorWidth||this.MIN_TEXT_WIDTH,this.height=this.calcTextHeight();this.textAlign.indexOf(`justify`)!==-1&&this.enlargeSpaces(),this.saveState({propertySet:`_dimensionAffectingProps`})}},enlargeSpaces:function(){for(var e,t,n,r,i,a,o,s=0,c=this._textLines.length;s<c;s++)if(!(this.textAlign!==`justify`&&(s===c-1||this.isEndOfWrapping(s)))&&(r=0,i=this._textLines[s],t=this.getLineWidth(s),t<this.width&&(o=this.textLines[s].match(this._reSpacesAndTabs)))){n=o.length,e=(this.width-t)/n;for(var l=0,u=i.length;l<=u;l++)a=this.__charBounds[s][l],this._reSpaceAndTab.test(i[l])?(a.width+=e,a.kernedWidth+=e,a.left+=r,r+=e):a.left+=r}},isEndOfWrapping:function(e){return e===this._textLines.length-1},missingNewlineOffset:function(){return 1},toString:function(){return`#<fabric.Text (`+this.complexity()+`): { "text": "`+this.text+`", "fontFamily": "`+this.fontFamily+`" }>`},_getCacheCanvasDimensions:function(){var e=this.callSuper(`_getCacheCanvasDimensions`),t=this.fontSize;return e.width+=t*e.zoomX,e.height+=t*e.zoomY,e},_render:function(e){var t=this.path;t&&!t.isNotVisible()&&t._render(e),this._setTextStyles(e),this._renderTextLinesBackground(e),this._renderTextDecoration(e,`underline`),this._renderText(e),this._renderTextDecoration(e,`overline`),this._renderTextDecoration(e,`linethrough`)},_renderText:function(e){this.paintFirst===`stroke`?(this._renderTextStroke(e),this._renderTextFill(e)):(this._renderTextFill(e),this._renderTextStroke(e))},_setTextStyles:function(e,t,n){if(e.textBaseline=`alphabetic`,this.path)switch(this.pathAlign){case`center`:e.textBaseline=`middle`;break;case`ascender`:e.textBaseline=`top`;break;case`descender`:e.textBaseline=`bottom`;break}e.font=this._getFontDeclaration(t,n)},calcTextWidth:function(){for(var e=this.getLineWidth(0),t=1,n=this._textLines.length;t<n;t++){var r=this.getLineWidth(t);r>e&&(e=r)}return e},_renderTextLine:function(e,t,n,r,i,a){this._renderChars(e,t,n,r,i,a)},_renderTextLinesBackground:function(e){if(!(!this.textBackgroundColor&&!this.styleHas(`textBackgroundColor`))){for(var t,n,r=e.fillStyle,i,a,o=this._getLeftOffset(),s=this._getTopOffset(),c=0,l=0,u,d,f=this.path,p,m=0,h=this._textLines.length;m<h;m++){if(t=this.getHeightOfLine(m),!this.textBackgroundColor&&!this.styleHas(`textBackgroundColor`,m)){s+=t;continue}i=this._textLines[m],n=this._getLineLeftOffset(m),l=0,c=0,a=this.getValueOfPropertyAt(m,0,`textBackgroundColor`);for(var g=0,_=i.length;g<_;g++)u=this.__charBounds[m][g],d=this.getValueOfPropertyAt(m,g,`textBackgroundColor`),f?(e.save(),e.translate(u.renderLeft,u.renderTop),e.rotate(u.angle),e.fillStyle=d,d&&e.fillRect(-u.width/2,-t/this.lineHeight*(1-this._fontSizeFraction),u.width,t/this.lineHeight),e.restore()):d===a?l+=u.kernedWidth:(p=o+n+c,this.direction===`rtl`&&(p=this.width-p-l),e.fillStyle=a,a&&e.fillRect(p,s,l,t/this.lineHeight),c=u.left,l=u.width,a=d);d&&!f&&(p=o+n+c,this.direction===`rtl`&&(p=this.width-p-l),e.fillStyle=d,e.fillRect(p,s,l,t/this.lineHeight)),s+=t}e.fillStyle=r,this._removeShadow(e)}},getFontCache:function(e){var n=e.fontFamily.toLowerCase();t.charWidthsCache[n]||(t.charWidthsCache[n]={});var r=t.charWidthsCache[n],i=e.fontStyle.toLowerCase()+`_`+(e.fontWeight+``).toLowerCase();return r[i]||(r[i]={}),r[i]},_measureChar:function(e,t,n,r){var i=this.getFontCache(t),a=this._getFontDeclaration(t),o=this._getFontDeclaration(r),s=n+e,c=a===o,l,u,d,f=t.fontSize/this.CACHE_FONT_SIZE,p;if(n&&i[n]!==void 0&&(d=i[n]),i[e]!==void 0&&(p=l=i[e]),c&&i[s]!==void 0&&(u=i[s],p=u-d),l===void 0||d===void 0||u===void 0){var m=this.getMeasuringContext();this._setTextStyles(m,t,!0)}return l===void 0&&(p=l=m.measureText(e).width,i[e]=l),d===void 0&&c&&n&&(d=m.measureText(n).width,i[n]=d),c&&u===void 0&&(u=m.measureText(s).width,i[s]=u,p=u-d),{width:l*f,kernedWidth:p*f}},getHeightOfChar:function(e,t){return this.getValueOfPropertyAt(e,t,`fontSize`)},measureLine:function(e){var t=this._measureLine(e);return this.charSpacing!==0&&(t.width-=this._getWidthOfCharSpacing()),t.width<0&&(t.width=0),t},_measureLine:function(e){var n=0,r,i,a=this._textLines[e],o,s,c=0,l=Array(a.length),u=0,d,f,p=this.path,m=this.pathSide===`right`;for(this.__charBounds[e]=l,r=0;r<a.length;r++)i=a[r],s=this._getGraphemeBox(i,e,r,o),l[r]=s,n+=s.kernedWidth,o=i;if(l[r]={left:s?s.left+s.width:0,width:0,kernedWidth:0,height:this.fontSize},p){switch(f=p.segmentsInfo[p.segmentsInfo.length-1].length,d=t.util.getPointOnPath(p.path,0,p.segmentsInfo),d.x+=p.pathOffset.x,d.y+=p.pathOffset.y,this.textAlign){case`left`:u=m?f-n:0;break;case`center`:u=(f-n)/2;break;case`right`:u=m?0:f-n;break}for(u+=this.pathStartOffset*(m?-1:1),r=m?a.length-1:0;m?r>=0:r<a.length;m?r--:r++)s=l[r],u>f?u%=f:u<0&&(u+=f),this._setGraphemeOnPath(u,s,d),u+=s.kernedWidth}return{width:n,numOfSpaces:c}},_setGraphemeOnPath:function(e,n,r){var i=e+n.kernedWidth/2,a=this.path,o=t.util.getPointOnPath(a.path,i,a.segmentsInfo);n.renderLeft=o.x-r.x,n.renderTop=o.y-r.y,n.angle=o.angle+(this.pathSide===`right`?Math.PI:0)},_getGraphemeBox:function(e,t,n,r,i){var a=this.getCompleteStyleDeclaration(t,n),o=r?this.getCompleteStyleDeclaration(t,n-1):{},s=this._measureChar(e,a,r,o),c=s.kernedWidth,l=s.width,u;this.charSpacing!==0&&(u=this._getWidthOfCharSpacing(),l+=u,c+=u);var d={width:l,left:0,height:a.fontSize,kernedWidth:c,deltaY:a.deltaY};if(n>0&&!i){var f=this.__charBounds[t][n-1];d.left=f.left+f.width+s.kernedWidth-s.width}return d},getHeightOfLine:function(e){if(this.__lineHeights[e])return this.__lineHeights[e];for(var t=this._textLines[e],n=this.getHeightOfChar(e,0),r=1,i=t.length;r<i;r++)n=Math.max(this.getHeightOfChar(e,r),n);return this.__lineHeights[e]=n*this.lineHeight*this._fontSizeMult},calcTextHeight:function(){for(var e,t=0,n=0,r=this._textLines.length;n<r;n++)e=this.getHeightOfLine(n),t+=n===r-1?e/this.lineHeight:e;return t},_getLeftOffset:function(){return this.direction===`ltr`?-this.width/2:this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextCommon:function(e,t){e.save();for(var n=0,r=this._getLeftOffset(),i=this._getTopOffset(),a=0,o=this._textLines.length;a<o;a++){var s=this.getHeightOfLine(a),c=s/this.lineHeight,l=this._getLineLeftOffset(a);this._renderTextLine(t,e,this._textLines[a],r+l,i+n+c,a),n+=s}e.restore()},_renderTextFill:function(e){!this.fill&&!this.styleHas(`fill`)||this._renderTextCommon(e,`fillText`)},_renderTextStroke:function(e){(!this.stroke||this.strokeWidth===0)&&this.isEmptyStyles()||(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e),e.save(),this._setLineDash(e,this.strokeDashArray),e.beginPath(),this._renderTextCommon(e,`strokeText`),e.closePath(),e.restore())},_renderChars:function(e,n,r,i,a,o){var s=this.getHeightOfLine(o),c=this.textAlign.indexOf(`justify`)!==-1,l,u,d=``,f,p=0,m,h=this.path,g=!c&&this.charSpacing===0&&this.isEmptyStyles(o)&&!h,_=this.direction===`ltr`,v=this.direction===`ltr`?1:-1,y,b=n.canvas.getAttribute(`dir`);if(n.save(),b!==this.direction&&(n.canvas.setAttribute(`dir`,_?`ltr`:`rtl`),n.direction=_?`ltr`:`rtl`,n.textAlign=_?`left`:`right`),a-=s*this._fontSizeFraction/this.lineHeight,g){this._renderChar(e,n,o,0,r.join(``),i,a,s),n.restore();return}for(var x=0,S=r.length-1;x<=S;x++)m=x===S||this.charSpacing||h,d+=r[x],f=this.__charBounds[o][x],p===0?(i+=v*(f.kernedWidth-f.width),p+=f.width):p+=f.kernedWidth,c&&!m&&this._reSpaceAndTab.test(r[x])&&(m=!0),m||=(l||=this.getCompleteStyleDeclaration(o,x),u=this.getCompleteStyleDeclaration(o,x+1),t.util.hasStyleChanged(l,u,!1)),m&&(h?(n.save(),n.translate(f.renderLeft,f.renderTop),n.rotate(f.angle),this._renderChar(e,n,o,x,d,-p/2,0,s),n.restore()):(y=i,this._renderChar(e,n,o,x,d,y,a,s)),d=``,l=u,i+=v*p,p=0);n.restore()},_applyPatternGradientTransformText:function(e){var n=t.util.createCanvasElement(),r,i=this.width+this.strokeWidth,a=this.height+this.strokeWidth;return n.width=i,n.height=a,r=n.getContext(`2d`),r.beginPath(),r.moveTo(0,0),r.lineTo(i,0),r.lineTo(i,a),r.lineTo(0,a),r.closePath(),r.translate(i/2,a/2),r.fillStyle=e.toLive(r),this._applyPatternGradientTransform(r,e),r.fill(),r.createPattern(n,`no-repeat`)},handleFiller:function(e,t,n){var r,i;return n.toLive?n.gradientUnits===`percentage`||n.gradientTransform||n.patternTransform?(r=-this.width/2,i=-this.height/2,e.translate(r,i),e[t]=this._applyPatternGradientTransformText(n),{offsetX:r,offsetY:i}):(e[t]=n.toLive(e,this),this._applyPatternGradientTransform(e,n)):(e[t]=n,{offsetX:0,offsetY:0})},_setStrokeStyles:function(e,t){return e.lineWidth=t.strokeWidth,e.lineCap=this.strokeLineCap,e.lineDashOffset=this.strokeDashOffset,e.lineJoin=this.strokeLineJoin,e.miterLimit=this.strokeMiterLimit,this.handleFiller(e,`strokeStyle`,t.stroke)},_setFillStyles:function(e,t){return this.handleFiller(e,`fillStyle`,t.fill)},_renderChar:function(e,t,n,r,i,a,o){var s=this._getStyleDeclaration(n,r),c=this.getCompleteStyleDeclaration(n,r),l=e===`fillText`&&c.fill,u=e===`strokeText`&&c.stroke&&c.strokeWidth,d,f;!u&&!l||(t.save(),l&&(d=this._setFillStyles(t,c)),u&&(f=this._setStrokeStyles(t,c)),t.font=this._getFontDeclaration(c),s&&s.textBackgroundColor&&this._removeShadow(t),s&&s.deltaY&&(o+=s.deltaY),l&&t.fillText(i,a-d.offsetX,o-d.offsetY),u&&t.strokeText(i,a-f.offsetX,o-f.offsetY),t.restore())},setSuperscript:function(e,t){return this._setScript(e,t,this.superscript)},setSubscript:function(e,t){return this._setScript(e,t,this.subscript)},_setScript:function(e,t,n){var r=this.get2DCursorLocation(e,!0),i=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,`fontSize`),a=this.getValueOfPropertyAt(r.lineIndex,r.charIndex,`deltaY`),o={fontSize:i*n.size,deltaY:a+i*n.baseline};return this.setSelectionStyles(o,e,t),this},_getLineLeftOffset:function(e){var t=this.getLineWidth(e),n=this.width-t,r=this.textAlign,i=this.direction,a,o=0,a=this.isEndOfWrapping(e);return r===`justify`||r===`justify-center`&&!a||r===`justify-right`&&!a||r===`justify-left`&&!a?0:(r===`center`&&(o=n/2),r===`right`&&(o=n),r===`justify-center`&&(o=n/2),r===`justify-right`&&(o=n),i===`rtl`&&(o-=n),o)},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[],this.__charBounds=[]},_shouldClearDimensionCache:function(){var e=this._forceClearCache;return e||=this.hasStateChanged(`_dimensionAffectingProps`),e&&(this.dirty=!0,this._forceClearCache=!1),e},getLineWidth:function(e){if(this.__lineWidths[e]!==void 0)return this.__lineWidths[e];var t=this.measureLine(e).width;return this.__lineWidths[e]=t,t},_getWidthOfCharSpacing:function(){return this.charSpacing===0?0:this.fontSize*this.charSpacing/1e3},getValueOfPropertyAt:function(e,t,n){var r=this._getStyleDeclaration(e,t);return r&&r[n]!==void 0?r[n]:this[n]},_renderTextDecoration:function(e,t){if(!(!this[t]&&!this.styleHas(t))){e.save(),(t===`overline`||t===`linethrough`)&&this._removeShadow(e);for(var n,r,i,a,o,s,c,l,u=this._getLeftOffset(),d=this._getTopOffset(),f,p,m,h,g,_,v,y,b=this.path,x=this._getWidthOfCharSpacing(),S=this.offsets[t],C=0,w=this._textLines.length;C<w;C++){if(n=this.getHeightOfLine(C),!this[t]&&!this.styleHas(t,C)){d+=n;continue}c=this._textLines[C],_=n/this.lineHeight,a=this._getLineLeftOffset(C),p=0,m=0,l=this.getValueOfPropertyAt(C,0,t),y=this.getValueOfPropertyAt(C,0,`fill`),f=d+_*(1-this._fontSizeFraction),r=this.getHeightOfChar(C,0),o=this.getValueOfPropertyAt(C,0,`deltaY`);for(var T=0,E=c.length;T<E;T++)if(h=this.__charBounds[C][T],g=this.getValueOfPropertyAt(C,T,t),v=this.getValueOfPropertyAt(C,T,`fill`),i=this.getHeightOfChar(C,T),s=this.getValueOfPropertyAt(C,T,`deltaY`),b&&g&&v)e.save(),e.fillStyle=y,e.translate(h.renderLeft,h.renderTop),e.rotate(h.angle),e.fillRect(-h.kernedWidth/2,S*i+s,h.kernedWidth,this.fontSize/15),e.restore();else if((g!==l||v!==y||i!==r||s!==o)&&m>0){var D=u+a+p;this.direction===`rtl`&&(D=this.width-D-m),l&&y&&(e.fillStyle=y,e.fillRect(D,f+S*r+o,m,this.fontSize/15)),p=h.left,m=h.width,l=g,y=v,r=i,o=s}else m+=h.kernedWidth;var D=u+a+p;this.direction===`rtl`&&(D=this.width-D-m),e.fillStyle=v,g&&v&&e.fillRect(D,f+S*r+o,m-x,this.fontSize/15),d+=n}e.restore()}},_getFontDeclaration:function(e,n){var r=e||this,i=this.fontFamily,a=t.Text.genericFonts.indexOf(i.toLowerCase())>-1,o=i===void 0||i.indexOf(`'`)>-1||i.indexOf(`,`)>-1||i.indexOf(`"`)>-1||a?r.fontFamily:`"`+r.fontFamily+`"`;return[t.isLikelyNode?r.fontWeight:r.fontStyle,t.isLikelyNode?r.fontStyle:r.fontWeight,n?this.CACHE_FONT_SIZE+`px`:r.fontSize+`px`,o].join(` `)},render:function(e){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper(`render`,e)))},_splitTextIntoLines:function(e){for(var n=e.split(this._reNewline),r=Array(n.length),i=[`
|
|
`],a=[],o=0;o<n.length;o++)r[o]=t.util.string.graphemeSplit(n[o]),a=a.concat(r[o],i);return a.pop(),{_unwrappedLines:r,lines:n,graphemeText:a,graphemeLines:r}},toObject:function(e){var n=r.concat(e),i=this.callSuper(`toObject`,n);return i.styles=t.util.stylesToArray(this.styles,this.text),i.path&&=this.path.toObject(),i},set:function(e,t){this.callSuper(`set`,e,t);var n=!1,r=!1;if(typeof e==`object`)for(var i in e)i===`path`&&this.setPathInfo(),n||=this._dimensionAffectingProps.indexOf(i)!==-1,r||=i===`path`;else n=this._dimensionAffectingProps.indexOf(e)!==-1,r=e===`path`;return r&&this.setPathInfo(),n&&(this.initDimensions(),this.setCoords()),this},complexity:function(){return 1}}),t.Text.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(`x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor`.split(` `)),t.Text.DEFAULT_SVG_FONT_SIZE=16,t.Text.fromElement=function(e,r,i){if(!e)return r(null);var a=t.parseAttributes(e,t.Text.ATTRIBUTE_NAMES),o=a.textAnchor||`left`;if(i=t.util.object.extend(i?n(i):{},a),i.top=i.top||0,i.left=i.left||0,a.textDecoration){var s=a.textDecoration;s.indexOf(`underline`)!==-1&&(i.underline=!0),s.indexOf(`overline`)!==-1&&(i.overline=!0),s.indexOf(`line-through`)!==-1&&(i.linethrough=!0),delete i.textDecoration}`dx`in a&&(i.left+=a.dx),`dy`in a&&(i.top+=a.dy),`fontSize`in i||(i.fontSize=t.Text.DEFAULT_SVG_FONT_SIZE);var c=``;`textContent`in e?c=e.textContent:`firstChild`in e&&e.firstChild!==null&&`data`in e.firstChild&&e.firstChild.data!==null&&(c=e.firstChild.data),c=c.replace(/^\s+|\s+$|\n+/g,``).replace(/\s+/g,` `);var l=i.strokeWidth;i.strokeWidth=0;var u=new t.Text(c,i),d=u.getScaledHeight()/u.height,f=((u.height+u.strokeWidth)*u.lineHeight-u.height)*d,p=u.getScaledHeight()+f,m=0;o===`center`&&(m=u.getScaledWidth()/2),o===`right`&&(m=u.getScaledWidth()),u.set({left:u.left-m,top:u.top-(p-u.fontSize*(.07+u._fontSizeFraction))/u.lineHeight,strokeWidth:l===void 0?1:l}),r(u)},t.Text.fromObject=function(e,r){var i=n(e),a=e.path;return delete i.path,t.Object._fromObject(`Text`,i,function(n){n.styles=t.util.stylesFromArray(e.styles,e.text),a?t.Object._fromObject(`Path`,a,function(e){n.set(`path`,e),r(n)},`path`):r(n)},`text`)},t.Text.genericFonts=[`sans-serif`,`serif`,`cursive`,`fantasy`,`monospace`],t.util.createAccessors&&t.util.createAccessors(t.Text)})(e),(function(){t.util.object.extend(t.Text.prototype,{isEmptyStyles:function(e){if(!this.styles||e!==void 0&&!this.styles[e])return!0;var t=e===void 0?this.styles:{line:this.styles[e]};for(var n in t)for(var r in t[n])for(var i in t[n][r])return!1;return!0},styleHas:function(e,t){if(!this.styles||!e||e===``||t!==void 0&&!this.styles[t])return!1;var n=t===void 0?this.styles:{0:this.styles[t]};for(var r in n)for(var i in n[r])if(n[r][i][e]!==void 0)return!0;return!1},cleanStyle:function(e){if(!this.styles||!e||e===``)return!1;var t=this.styles,n=0,r,i,a=!0,o=0,s;for(var c in t){for(var l in r=0,t[c]){var s=t[c][l],u=s.hasOwnProperty(e);n++,u?(i?s[e]!==i&&(a=!1):i=s[e],s[e]===this[e]&&delete s[e]):a=!1,Object.keys(s).length===0?delete t[c][l]:r++}r===0&&delete t[c]}for(var d=0;d<this._textLines.length;d++)o+=this._textLines[d].length;a&&n===o&&(this[e]=i,this.removeStyle(e))},removeStyle:function(e){if(!(!this.styles||!e||e===``)){var t=this.styles,n,r,i;for(r in t){for(i in n=t[r],n)delete n[i][e],Object.keys(n[i]).length===0&&delete n[i];Object.keys(n).length===0&&delete t[r]}}},_extendStyles:function(e,n){var r=this.get2DCursorLocation(e);this._getLineStyle(r.lineIndex)||this._setLineStyle(r.lineIndex),this._getStyleDeclaration(r.lineIndex,r.charIndex)||this._setStyleDeclaration(r.lineIndex,r.charIndex,{}),t.util.object.extend(this._getStyleDeclaration(r.lineIndex,r.charIndex),n)},get2DCursorLocation:function(e,t){e===void 0&&(e=this.selectionStart);for(var n=t?this._unwrappedTextLines:this._textLines,r=n.length,i=0;i<r;i++){if(e<=n[i].length)return{lineIndex:i,charIndex:e};e-=n[i].length+this.missingNewlineOffset(i,t)}return{lineIndex:i-1,charIndex:n[i-1].length<e?n[i-1].length:e}},getSelectionStyles:function(e,t,n){e===void 0&&(e=this.selectionStart||0),t===void 0&&(t=this.selectionEnd||e);for(var r=[],i=e;i<t;i++)r.push(this.getStyleAtPosition(i,n));return r},getStyleAtPosition:function(e,t){var n=this.get2DCursorLocation(e);return(t?this.getCompleteStyleDeclaration(n.lineIndex,n.charIndex):this._getStyleDeclaration(n.lineIndex,n.charIndex))||{}},setSelectionStyles:function(e,t,n){t===void 0&&(t=this.selectionStart||0),n===void 0&&(n=this.selectionEnd||t);for(var r=t;r<n;r++)this._extendStyles(r,e);return this._forceClearCache=!0,this},_getStyleDeclaration:function(e,t){var n=this.styles&&this.styles[e];return n?n[t]:null},getCompleteStyleDeclaration:function(e,t){for(var n=this._getStyleDeclaration(e,t)||{},r={},i,a=0;a<this._styleProperties.length;a++)i=this._styleProperties[a],r[i]=n[i]===void 0?this[i]:n[i];return r},_setStyleDeclaration:function(e,t,n){this.styles[e][t]=n},_deleteStyleDeclaration:function(e,t){delete this.styles[e][t]},_getLineStyle:function(e){return!!this.styles[e]},_setLineStyle:function(e){this.styles[e]={}},_deleteLineStyle:function(e){delete this.styles[e]}})})(),(function(){function e(e){e.textDecoration&&(e.textDecoration.indexOf(`underline`)>-1&&(e.underline=!0),e.textDecoration.indexOf(`line-through`)>-1&&(e.linethrough=!0),e.textDecoration.indexOf(`overline`)>-1&&(e.overline=!0),delete e.textDecoration)}t.IText=t.util.createClass(t.Text,t.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(e,t){this.callSuper(`initialize`,e,t),this.initBehavior()},setSelectionStart:function(e){e=Math.max(e,0),this._updateAndFire(`selectionStart`,e)},setSelectionEnd:function(e){e=Math.min(e,this.text.length),this._updateAndFire(`selectionEnd`,e)},_updateAndFire:function(e,t){this[e]!==t&&(this._fireSelectionChanged(),this[e]=t),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(e){this.clearContextTop(),this.callSuper(`render`,e),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(e){this.callSuper(`_render`,e)},clearContextTop:function(e){if(!(!this.isEditing||!this.canvas||!this.canvas.contextTop)){var t=this.canvas.contextTop,n=this.canvas.viewportTransform;t.save(),t.transform(n[0],n[1],n[2],n[3],n[4],n[5]),this.transform(t),this._clearTextArea(t),e||t.restore()}},renderCursorOrSelection:function(){if(!(!this.isEditing||!this.canvas||!this.canvas.contextTop)){var e=this._getCursorBoundaries(),t=this.canvas.contextTop;this.clearContextTop(!0),this.selectionStart===this.selectionEnd?this.renderCursor(e,t):this.renderSelection(e,t),t.restore()}},_clearTextArea:function(e){var t=this.width+4,n=this.height+4;e.clearRect(-t/2,-n/2,t,n)},_getCursorBoundaries:function(e){e===void 0&&(e=this.selectionStart);var t=this._getLeftOffset(),n=this._getTopOffset(),r=this._getCursorBoundariesOffsets(e);return{left:t,top:n,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(e){if(this.cursorOffsetCache&&`top`in this.cursorOffsetCache)return this.cursorOffsetCache;var t,n,r,i=0,a=0,o,s=this.get2DCursorLocation(e);r=s.charIndex,n=s.lineIndex;for(var c=0;c<n;c++)i+=this.getHeightOfLine(c);t=this._getLineLeftOffset(n);var l=this.__charBounds[n][r];return l&&(a=l.left),this.charSpacing!==0&&r===this._textLines[n].length&&(a-=this._getWidthOfCharSpacing()),o={top:i,left:t+(a>0?a:0)},this.direction===`rtl`&&(o.left*=-1),this.cursorOffsetCache=o,this.cursorOffsetCache},renderCursor:function(e,t){var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex>0?n.charIndex-1:0,a=this.getValueOfPropertyAt(r,i,`fontSize`),o=this.scaleX*this.canvas.getZoom(),s=this.cursorWidth/o,c=e.topOffset,l=this.getValueOfPropertyAt(r,i,`deltaY`);c+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-a*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(e,t),t.fillStyle=this.cursorColor||this.getValueOfPropertyAt(r,i,`fill`),t.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,t.fillRect(e.left+e.leftOffset-s/2,c+e.top+l,s,a)},renderSelection:function(e,t){for(var n=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,i=this.textAlign.indexOf(`justify`)!==-1,a=this.get2DCursorLocation(n),o=this.get2DCursorLocation(r),s=a.lineIndex,c=o.lineIndex,l=a.charIndex<0?0:a.charIndex,u=o.charIndex<0?0:o.charIndex,d=s;d<=c;d++){var f=this._getLineLeftOffset(d)||0,p=this.getHeightOfLine(d),m=0,h=0,g=0;if(d===s&&(h=this.__charBounds[s][l].left),d>=s&&d<c)g=i&&!this.isEndOfWrapping(d)?this.width:this.getLineWidth(d)||5;else if(d===c)if(u===0)g=this.__charBounds[c][u].left;else{var _=this._getWidthOfCharSpacing();g=this.__charBounds[c][u-1].left+this.__charBounds[c][u-1].width-_}m=p,(this.lineHeight<1||d===c&&this.lineHeight>1)&&(p/=this.lineHeight);var v=e.left+f+h,y=g-h,b=p,x=0;this.inCompositionMode?(t.fillStyle=this.compositionColor||`black`,b=1,x=p):t.fillStyle=this.selectionColor,this.direction===`rtl`&&(v=this.width-v-y),t.fillRect(v,e.top+e.topOffset+x,y,b),e.topOffset+=m}},getCurrentCharFontSize:function(){var e=this._getCurrentCharIndex();return this.getValueOfPropertyAt(e.l,e.c,`fontSize`)},getCurrentCharColor:function(){var e=this._getCurrentCharIndex();return this.getValueOfPropertyAt(e.l,e.c,`fill`)},_getCurrentCharIndex:function(){var e=this.get2DCursorLocation(this.selectionStart,!0),t=e.charIndex>0?e.charIndex-1:0;return{l:e.lineIndex,c:t}}}),t.IText.fromObject=function(n,r){var i=t.util.stylesFromArray(n.styles,n.text),a=Object.assign({},n,{styles:i});if(delete a.path,e(a),a.styles)for(var o in a.styles)for(var s in a.styles[o])e(a.styles[o][s]);t.Object._fromObject(`IText`,a,function(e){n.path?t.Object._fromObject(`Path`,n.path,function(t){e.set(`path`,t),r(e)},`path`):r(e)},`text`)}})(),(function(){var e=t.util.object.clone;t.util.object.extend(t.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 e=this;this.on(`added`,function(){var t=e.canvas;t&&(t._hasITextHandlers||(t._hasITextHandlers=!0,e._initCanvasHandlers(t)),t._iTextInstances=t._iTextInstances||[],t._iTextInstances.push(e))})},initRemovedHandler:function(){var e=this;this.on(`removed`,function(){var n=e.canvas;n&&(n._iTextInstances=n._iTextInstances||[],t.util.removeFromArray(n._iTextInstances,e),n._iTextInstances.length===0&&(n._hasITextHandlers=!1,e._removeCanvasHandlers(n)))})},_initCanvasHandlers:function(e){e._mouseUpITextHandler=function(){e._iTextInstances&&e._iTextInstances.forEach(function(e){e.__isMousedown=!1})},e.on(`mouse:up`,e._mouseUpITextHandler)},_removeCanvasHandlers:function(e){e.off(`mouse:up`,e._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,`_onTickComplete`)},_animateCursor:function(e,t,n,r){var i={isAborted:!1,abort:function(){this.isAborted=!0}};return e.animate(`_currentCursorOpacity`,t,{duration:n,onComplete:function(){i.isAborted||e[r]()},onChange:function(){e.canvas&&e.selectionStart===e.selectionEnd&&e.renderCursorOrSelection()},abort:function(){return i.isAborted}}),i},_onTickComplete:function(){var e=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){e._currentTickCompleteState=e._animateCursor(e,0,this.cursorDuration/2,`_tick`)},100)},initDelayedCursor:function(e){var t=this,n=e?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){t._tick()},n)},abortCursorAnimation:function(){var e=this._currentTickState||this._currentTickCompleteState,t=this.canvas;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,e&&t&&t.clearContext(t.contextTop||t.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(e){var t=0,n=e-1;if(this._reSpace.test(this._text[n]))for(;this._reSpace.test(this._text[n]);)t++,n--;for(;/\S/.test(this._text[n])&&n>-1;)t++,n--;return e-t},findWordBoundaryRight:function(e){var t=0,n=e;if(this._reSpace.test(this._text[n]))for(;this._reSpace.test(this._text[n]);)t++,n++;for(;/\S/.test(this._text[n])&&n<this._text.length;)t++,n++;return e+t},findLineBoundaryLeft:function(e){for(var t=0,n=e-1;!/\n/.test(this._text[n])&&n>-1;)t++,n--;return e-t},findLineBoundaryRight:function(e){for(var t=0,n=e;!/\n/.test(this._text[n])&&n<this._text.length;)t++,n++;return e+t},searchWordBoundary:function(e,n){for(var r=this._text,i=this._reSpace.test(r[e])?e-1:e,a=r[i],o=t.reNonWord;!o.test(a)&&i>0&&i<r.length;)i+=n,a=r[i];return o.test(a)&&(i+=n===1?0:1),i},selectWord:function(e){e||=this.selectionStart;var t=this.searchWordBoundary(e,-1),n=this.searchWordBoundary(e,1);this.selectionStart=t,this.selectionEnd=n,this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()},selectLine:function(e){e||=this.selectionStart;var t=this.findLineBoundaryLeft(e),n=this.findLineBoundaryRight(e);return this.selectionStart=t,this.selectionEnd=n,this._fireSelectionChanged(),this._updateTextarea(),this},enterEditing:function(e){if(!(this.isEditing||!this.editable))return this.canvas&&(this.canvas.calcOffset(),this.exitEditingOnOthers(this.canvas)),this.isEditing=!0,this.initHiddenTextarea(e),this.hiddenTextarea.focus(),this.hiddenTextarea.value=this.text,this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._textBeforeEdit=this.text,this._tick(),this.fire(`editing:entered`),this._fireSelectionChanged(),this.canvas?(this.canvas.fire(`text:editing:entered`,{target:this}),this.initMouseMoveHandler(),this.canvas.requestRenderAll(),this):this},exitEditingOnOthers:function(e){e._iTextInstances&&e._iTextInstances.forEach(function(e){e.selected=!1,e.isEditing&&e.exitEditing()})},initMouseMoveHandler:function(){this.canvas.on(`mouse:move`,this.mouseMoveHandler)},mouseMoveHandler:function(e){if(!(!this.__isMousedown||!this.isEditing)){document.activeElement!==this.hiddenTextarea&&this.hiddenTextarea.focus();var t=this.getSelectionStartFromPointer(e.e),n=this.selectionStart,r=this.selectionEnd;(t!==this.__selectionStartOnMouseDown||n===r)&&(n===t||r===t)||(t>this.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=t):(this.selectionStart=t,this.selectionEnd=this.__selectionStartOnMouseDown),(this.selectionStart!==n||this.selectionEnd!==r)&&(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor=`text`,this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor=`text`),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(e,n,r){var i=r.slice(0,e),a=t.util.string.graphemeSplit(i).length;if(e===n)return{selectionStart:a,selectionEnd:a};var o=r.slice(e,n);return{selectionStart:a,selectionEnd:a+t.util.string.graphemeSplit(o).length}},fromGraphemeToStringSelection:function(e,t,n){var r=n.slice(0,e).join(``).length;return e===t?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+n.slice(e,t).join(``).length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var e=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=e.selectionStart,this.hiddenTextarea.selectionEnd=e.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords());var e=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=e.selectionEnd,this.inCompositionMode||(this.selectionStart=e.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var e=this._calcTextareaPosition();this.hiddenTextarea.style.left=e.left,this.hiddenTextarea.style.top=e.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var e=this.inCompositionMode?this.compositionStart:this.selectionStart,n=this._getCursorBoundaries(e),r=this.get2DCursorLocation(e),i=r.lineIndex,a=r.charIndex,o=this.getValueOfPropertyAt(i,a,`fontSize`)*this.lineHeight,s=n.leftOffset,c=this.calcTransformMatrix(),l={x:n.left+s,y:n.top+n.topOffset+o},u=this.canvas.getRetinaScaling(),d=this.canvas.upperCanvasEl,f=d.width/u,p=d.height/u,m=f-o,h=p-o,g=d.clientWidth/f,_=d.clientHeight/p;return l=t.util.transformPoint(l,c),l=t.util.transformPoint(l,this.canvas.viewportTransform),l.x*=g,l.y*=_,l.x<0&&(l.x=0),l.x>m&&(l.x=m),l.y<0&&(l.y=0),l.y>h&&(l.y=h),l.x+=this.canvas._offset.left,l.y+=this.canvas._offset.top,{left:l.x+`px`,top:l.y+`px`,fontSize:o+`px`,charHeight:o}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var e=this._textBeforeEdit!==this.text,t=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,t&&(t.blur&&t.blur(),t.parentNode&&t.parentNode.removeChild(t)),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire(`editing:exited`),e&&this.fire(`modified`),this.canvas&&(this.canvas.off(`mouse:move`,this.mouseMoveHandler),this.canvas.fire(`text:editing:exited`,{target:this}),e&&this.canvas.fire(`object:modified`,{target:this})),this},_removeExtraneousStyles:function(){for(var e in this.styles)this._textLines[e]||delete this.styles[e]},removeStyleFromTo:function(e,t){var n=this.get2DCursorLocation(e,!0),r=this.get2DCursorLocation(t,!0),i=n.lineIndex,a=n.charIndex,o=r.lineIndex,s=r.charIndex,c,l;if(i!==o){if(this.styles[i])for(c=a;c<this._unwrappedTextLines[i].length;c++)delete this.styles[i][c];if(this.styles[o])for(c=s;c<this._unwrappedTextLines[o].length;c++)l=this.styles[o][c],l&&(this.styles[i]||(this.styles[i]={}),this.styles[i][a+c-s]=l);for(c=i+1;c<=o;c++)delete this.styles[c];this.shiftLineStyles(o,i-o)}else if(this.styles[i]){l=this.styles[i];var u=s-a,d,f;for(c=a;c<s;c++)delete l[c];for(f in this.styles[i])d=parseInt(f,10),d>=s&&(l[d-u]=l[f],delete l[f])}},shiftLineStyles:function(t,n){var r=e(this.styles);for(var i in this.styles){var a=parseInt(i,10);a>t&&(this.styles[a+n]=r[a],r[a-n]||delete this.styles[a])}},restartCursorIfNeeded:function(){(!this._currentTickState||this._currentTickState.isAborted||!this._currentTickCompleteState||this._currentTickCompleteState.isAborted)&&this.initDelayedCursor()},insertNewlineStyleObject:function(t,n,r,i){var a,o={},s=!1,c=this._unwrappedTextLines[t].length,l=c===n;for(var u in r||=1,this.shiftLineStyles(t,r),this.styles[t]&&(a=this.styles[t][n===0?n:n-1]),this.styles[t]){var d=parseInt(u,10);d>=n&&(s=!0,o[d-n]=this.styles[t][u],l&&n===0||delete this.styles[t][u])}var f=!1;for(s&&!l&&(this.styles[t+r]=o,f=!0),(f||c>n)&&r--;r>0;)i&&i[r-1]?this.styles[t+r]={0:e(i[r-1])}:a?this.styles[t+r]={0:e(a)}:delete this.styles[t+r],r--;this._forceClearCache=!0},insertCharStyleObject:function(t,n,r,i){this.styles||={};var a=this.styles[t],o=a?e(a):{};for(var s in r||=1,o){var c=parseInt(s,10);c>=n&&(a[c+r]=o[c],o[c-r]||delete a[c])}if(this._forceClearCache=!0,i){for(;r--;)Object.keys(i[r]).length&&(this.styles[t]||(this.styles[t]={}),this.styles[t][n+r]=e(i[r]));return}if(a)for(var l=a[n?n-1:1];l&&r--;)this.styles[t][n+r]=e(l)},insertNewStyleBlock:function(e,t,n){for(var r=this.get2DCursorLocation(t,!0),i=[0],a=0,o=0;o<e.length;o++)e[o]===`
|
|
`?(a++,i[a]=0):i[a]++;i[0]>0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,i[0],n),n&&=n.slice(i[0]+1)),a&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+i[0],a);for(var o=1;o<a;o++)i[o]>0?this.insertCharStyleObject(r.lineIndex+o,0,i[o],n):n&&this.styles[r.lineIndex+o]&&n[0]&&(this.styles[r.lineIndex+o][0]=n[0]),n&&=n.slice(i[o]+1);i[o]>0&&this.insertCharStyleObject(r.lineIndex+o,0,i[o],n)},setSelectionStartEndWithShift:function(e,t,n){n<=e?(t===e?this._selectionDirection=`left`:this._selectionDirection===`right`&&(this._selectionDirection=`left`,this.selectionEnd=e),this.selectionStart=n):n>e&&n<t?this._selectionDirection===`right`?this.selectionEnd=n:this.selectionStart=n:(t===e?this._selectionDirection=`right`:this._selectionDirection===`left`&&(this._selectionDirection=`right`,this.selectionStart=t),this.selectionEnd=n)},setSelectionInBoundaries:function(){var e=this.text.length;this.selectionStart>e?this.selectionStart=e:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>e?this.selectionEnd=e:this.selectionEnd<0&&(this.selectionEnd=0)}})})(),t.util.object.extend(t.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on(`mousedown`,this.onMouseDown)},onMouseDown:function(e){if(this.canvas){this.__newClickTime=+new Date;var t=e.pointer;this.isTripleClick(t)&&(this.fire(`tripleclick`,e),this._stopEvent(e.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=t,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected}},isTripleClick:function(e){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===e.x&&this.__lastPointer.y===e.y},_stopEvent:function(e){e.preventDefault&&e.preventDefault(),e.stopPropagation&&e.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(e){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(e.e))},tripleClickHandler:function(e){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(e.e))},initClicks:function(){this.on(`mousedblclick`,this.doubleClickHandler),this.on(`tripleclick`,this.tripleClickHandler)},_mouseDownHandler:function(e){!this.canvas||!this.editable||e.e.button&&e.e.button!==1||(this.__isMousedown=!0,this.selected&&(this.inCompositionMode=!1,this.setCursorByClick(e.e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(e){!this.canvas||!this.editable||e.e.button&&e.e.button!==1||(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(e){if(this.__isMousedown=!1,!(!this.editable||this.group||e.transform&&e.transform.actionPerformed||e.e.button&&e.e.button!==1)){if(this.canvas){var t=this.canvas._activeObject;if(t&&t!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(e.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(e){var t=this.getSelectionStartFromPointer(e),n=this.selectionStart,r=this.selectionEnd;e.shiftKey?this.setSelectionStartEndWithShift(n,r,t):(this.selectionStart=t,this.selectionEnd=t),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(e){for(var t=this.getLocalPointer(e),n=0,r=0,i=0,a=0,o=0,s,c,l=0,u=this._textLines.length;l<u&&i<=t.y;l++)i+=this.getHeightOfLine(l)*this.scaleY,o=l,l>0&&(a+=this._textLines[l-1].length+this.missingNewlineOffset(l-1));s=this._getLineLeftOffset(o),r=s*this.scaleX,c=this._textLines[o],this.direction===`rtl`&&(t.x=this.width*this.scaleX-t.x+r);for(var d=0,f=c.length;d<f&&(n=r,r+=this.__charBounds[o][d].kernedWidth*this.scaleX,r<=t.x);d++)a++;return this._getNewSelectionStartFromOffset(t,n,r,a,f)},_getNewSelectionStartFromOffset:function(e,t,n,r,i){var a=e.x-t,o=n-e.x,s=r+(o>a||o<0?0:1);return this.flipX&&(s=i-s),s>this._text.length&&(s=this._text.length),s}}),t.util.object.extend(t.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=t.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 e=this._calcTextareaPosition();this.hiddenTextarea.style.cssText=`position: absolute; top: `+e.top+`; left: `+e.left+`; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; padding-top: `+e.fontSize+`;`,this.hiddenTextareaContainer?this.hiddenTextareaContainer.appendChild(this.hiddenTextarea):t.document.body.appendChild(this.hiddenTextarea),t.util.addListener(this.hiddenTextarea,`keydown`,this.onKeyDown.bind(this)),t.util.addListener(this.hiddenTextarea,`keyup`,this.onKeyUp.bind(this)),t.util.addListener(this.hiddenTextarea,`input`,this.onInput.bind(this)),t.util.addListener(this.hiddenTextarea,`copy`,this.copy.bind(this)),t.util.addListener(this.hiddenTextarea,`cut`,this.copy.bind(this)),t.util.addListener(this.hiddenTextarea,`paste`,this.paste.bind(this)),t.util.addListener(this.hiddenTextarea,`compositionstart`,this.onCompositionStart.bind(this)),t.util.addListener(this.hiddenTextarea,`compositionupdate`,this.onCompositionUpdate.bind(this)),t.util.addListener(this.hiddenTextarea,`compositionend`,this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(t.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(e){if(this.isEditing){var t=this.direction===`rtl`?this.keysMapRtl:this.keysMap;if(e.keyCode in t)this[t[e.keyCode]](e);else if(e.keyCode in this.ctrlKeysMapDown&&(e.ctrlKey||e.metaKey))this[this.ctrlKeysMapDown[e.keyCode]](e);else return;e.stopImmediatePropagation(),e.preventDefault(),e.keyCode>=33&&e.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(e){if(!this.isEditing||this._copyDone||this.inCompositionMode){this._copyDone=!1;return}if(e.keyCode in this.ctrlKeysMapUp&&(e.ctrlKey||e.metaKey))this[this.ctrlKeysMapUp[e.keyCode]](e);else return;e.stopImmediatePropagation(),e.preventDefault(),this.canvas&&this.canvas.requestRenderAll()},onInput:function(e){var n=this.fromPaste;if(this.fromPaste=!1,e&&e.stopPropagation(),this.isEditing){var r=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,i=this._text.length,a=r.length,o,s,c=a-i,l=this.selectionStart,u=this.selectionEnd,d=l!==u,f,p,m;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 h=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),g=l>h.selectionStart;d?(o=this._text.slice(l,u),c+=u-l):a<i&&(o=g?this._text.slice(u+c,u):this._text.slice(l,l-c)),s=r.slice(h.selectionEnd-c,h.selectionEnd),o&&o.length&&(s.length&&(f=this.getSelectionStyles(l,l+1,!1),f=s.map(function(){return f[0]})),d?(p=l,m=u):g?(p=u-o.length,m=u):(p=u,m=u+o.length),this.removeStyleFromTo(p,m)),s.length&&(n&&s.join(``)===t.copiedText&&!t.disableStyleCopyPaste&&(f=t.copiedTextStyle),this.insertNewStyleBlock(s,l,f)),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(e){this.compositionStart=e.target.selectionStart,this.compositionEnd=e.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(t.copiedText=this.getSelectedText(),t.disableStyleCopyPaste?t.copiedTextStyle=null:t.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(e){return e&&e.clipboardData||t.window.clipboardData},_getWidthBeforeCursor:function(e,t){var n=this._getLineLeftOffset(e),r;return t>0&&(r=this.__charBounds[e][t-1],n+=r.left+r.width),n},getDownCursorOffset:function(e,t){var n=this._getSelectionForOffset(e,t),r=this.get2DCursorLocation(n),i=r.lineIndex;if(i===this._textLines.length-1||e.metaKey||e.keyCode===34)return this._text.length-n;var a=r.charIndex,o=this._getWidthBeforeCursor(i,a),s=this._getIndexOnLine(i+1,o);return this._textLines[i].slice(a).length+s+1+this.missingNewlineOffset(i)},_getSelectionForOffset:function(e,t){return e.shiftKey&&this.selectionStart!==this.selectionEnd&&t?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(e,t){var n=this._getSelectionForOffset(e,t),r=this.get2DCursorLocation(n),i=r.lineIndex;if(i===0||e.metaKey||e.keyCode===33)return-n;var a=r.charIndex,o=this._getWidthBeforeCursor(i,a),s=this._getIndexOnLine(i-1,o),c=this._textLines[i].slice(0,a),l=this.missingNewlineOffset(i-1);return-this._textLines[i-1].length+s-c.length+(1-l)},_getIndexOnLine:function(e,t){for(var n=this._textLines[e],r=this._getLineLeftOffset(e),i=0,a,o,s=0,c=n.length;s<c;s++)if(a=this.__charBounds[e][s].width,r+=a,r>t){o=!0;var l=r-a,u=r,d=Math.abs(l-t);i=Math.abs(u-t)<d?s:s-1;break}return o||(i=n.length-1),i},moveCursorDown:function(e){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown(`Down`,e)},moveCursorUp:function(e){this.selectionStart===0&&this.selectionEnd===0||this._moveCursorUpOrDown(`Up`,e)},_moveCursorUpOrDown:function(e,t){var n=`get`+e+`CursorOffset`,r=this[n](t,this._selectionDirection===`right`);t.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),r!==0&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(e){var t=this._selectionDirection===`left`?this.selectionStart+e:this.selectionEnd+e;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,t),e!==0},moveCursorWithoutShift:function(e){return e<0?(this.selectionStart+=e,this.selectionEnd=this.selectionStart):(this.selectionEnd+=e,this.selectionStart=this.selectionEnd),e!==0},moveCursorLeft:function(e){this.selectionStart===0&&this.selectionEnd===0||this._moveCursorLeftOrRight(`Left`,e)},_move:function(e,t,n){var r;if(e.altKey)r=this[`findWordBoundary`+n](this[t]);else if(e.metaKey||e.keyCode===35||e.keyCode===36)r=this[`findLineBoundary`+n](this[t]);else return this[t]+=n===`Left`?-1:1,!0;if(r!==void 0&&this[t]!==r)return this[t]=r,!0},_moveLeft:function(e,t){return this._move(e,t,`Left`)},_moveRight:function(e,t){return this._move(e,t,`Right`)},moveCursorLeftWithoutShift:function(e){var t=!0;return this._selectionDirection=`left`,this.selectionEnd===this.selectionStart&&this.selectionStart!==0&&(t=this._moveLeft(e,`selectionStart`)),this.selectionEnd=this.selectionStart,t},moveCursorLeftWithShift:function(e){if(this._selectionDirection===`right`&&this.selectionStart!==this.selectionEnd)return this._moveLeft(e,`selectionEnd`);if(this.selectionStart!==0)return this._selectionDirection=`left`,this._moveLeft(e,`selectionStart`)},moveCursorRight:function(e){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight(`Right`,e)},_moveCursorLeftOrRight:function(e,t){var n=`moveCursor`+e+`With`;this._currentCursorOpacity=1,t.shiftKey?n+=`Shift`:n+=`outShift`,this[n](t)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(e){if(this._selectionDirection===`left`&&this.selectionStart!==this.selectionEnd)return this._moveRight(e,`selectionStart`);if(this.selectionEnd!==this._text.length)return this._selectionDirection=`right`,this._moveRight(e,`selectionEnd`)},moveCursorRightWithoutShift:function(e){var t=!0;return this._selectionDirection=`right`,this.selectionStart===this.selectionEnd?(t=this._moveRight(e,`selectionStart`),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,t},removeChars:function(e,t){t===void 0&&(t=e+1),this.removeStyleFromTo(e,t),this._text.splice(e,t-e),this.text=this._text.join(``),this.set(`dirty`,!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(e,n,r,i){i===void 0&&(i=r),i>r&&this.removeStyleFromTo(r,i);var a=t.util.string.graphemeSplit(e);this.insertNewStyleBlock(a,r,n),this._text=[].concat(this._text.slice(0,r),a,this._text.slice(i)),this.text=this._text.join(``),this.set(`dirty`,!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),(function(){var e=t.util.toFixed,n=t.util.radiansToDegrees,r=t.util.calcRotateMatrix,i=t.util.transformPoint,a=/ +/g;t.util.object.extend(t.Text.prototype,{_toSVG:function(){var e=this._getSVGLeftTopOffsets(),t=this._getSVGTextAndBg(e.textTop,e.textLeft);return this._wrapSVGTextAndBg(t)},toSVG:function(e){var t=this._createBaseSVGMarkup(this._toSVG(),{reviver:e,noStyle:!0,withShadow:!0}),n=this.path;return n?t+n._createBaseSVGMarkup(n._toSVG(),{reviver:e,withShadow:!0}):t},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(e){var t=!0,n=this.getSvgTextDecoration(this);return[e.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+`" `:``,n?`text-decoration="`+n+`" `:``,`style="`,this.getSvgStyles(t),`"`,this.addPaintOrder(),` >`,e.textSpans.join(``),`</text>
|
|
`]},_getSVGTextAndBg:function(e,t){var n=[],r=[],i=e,a;this._setSVGBg(r);for(var o=0,s=this._textLines.length;o<s;o++)a=this._getLineLeftOffset(o),(this.textBackgroundColor||this.styleHas(`textBackgroundColor`,o))&&this._setSVGTextLineBg(r,o,t+a,i),this._setSVGTextLineText(n,o,t+a,i),i+=this.getHeightOfLine(o);return{textSpans:n,textBgRects:r}},_createTextCharSpan:function(o,s,c,l,u){var d=o!==o.trim()||o.match(a),f=this.getSvgSpanStyles(s,d),p=f?`style="`+f+`"`:``,m=s.deltaY,h=``,g=t.Object.NUM_FRACTION_DIGITS,_=``;if(m&&(h=` dy="`+e(m,g)+`" `),u.renderLeft!==void 0){var v=u.angle;_=` rotate="`+e(n(v),t.Object.NUM_FRACTION_DIGITS)+`" `;var y=u.width/2,b=r({angle:n(v)});b[4]=u.renderLeft,b[5]=u.renderTop;var x=i({x:-y,y:0},b);c=x.x,l=x.y}return[`<tspan x="`,e(c,g),`" y="`,e(l,g),`" `,h,p,_,`>`,t.util.string.escapeXml(o),`</tspan>`].join(``)},_setSVGTextLineText:function(e,n,r,i){var a=this.getHeightOfLine(n),o=this.textAlign.indexOf(`justify`)!==-1,s,c,l=``,u,d,f=0,p=this._textLines[n],m;i+=a*(1-this._fontSizeFraction)/this.lineHeight;for(var h=0,g=p.length-1;h<=g;h++)m=h===g||this.charSpacing||this.path,l+=p[h],u=this.__charBounds[n][h],f===0?(r+=u.kernedWidth-u.width,f+=u.width):f+=u.kernedWidth,o&&!m&&this._reSpaceAndTab.test(p[h])&&(m=!0),m||=(s||=this.getCompleteStyleDeclaration(n,h),c=this.getCompleteStyleDeclaration(n,h+1),t.util.hasStyleChanged(s,c,!0)),m&&(d=this._getStyleDeclaration(n,h)||{},e.push(this._createTextCharSpan(l,d,r,i,u)),l=``,s=c,r+=f,f=0)},_pushTextBgRect:function(n,r,i,a,o,s){var c=t.Object.NUM_FRACTION_DIGITS;n.push(` <rect `,this._getFillAttributes(r),` x="`,e(i,c),`" y="`,e(a,c),`" width="`,e(o,c),`" height="`,e(s,c),`"></rect>
|
|
`)},_setSVGTextLineBg:function(e,t,n,r){for(var i=this._textLines[t],a=this.getHeightOfLine(t)/this.lineHeight,o=0,s=0,c,l,u=this.getValueOfPropertyAt(t,0,`textBackgroundColor`),d=0,f=i.length;d<f;d++)c=this.__charBounds[t][d],l=this.getValueOfPropertyAt(t,d,`textBackgroundColor`),l===u?o+=c.kernedWidth:(u&&this._pushTextBgRect(e,u,n+s,r,o,a),s=c.left,o=c.width,u=l);l&&this._pushTextBgRect(e,l,n+s,r,o,a)},_getFillAttributes:function(e){var n=e&&typeof e==`string`?new t.Color(e):``;return!n||!n.getSource()||n.getAlpha()===1?`fill="`+e+`"`:`opacity="`+n.getAlpha()+`" fill="`+n.setAlpha(1).toRgb()+`"`},_getSVGLineTopOffset:function(e){for(var t=0,n=0,r=0;r<e;r++)t+=this.getHeightOfLine(r);return n=this.getHeightOfLine(r),{lineTop:t,offset:(this._fontSizeMult-this._fontSizeFraction)*n/(this.lineHeight*this._fontSizeMult)}},getSvgStyles:function(e){return t.Object.prototype.getSvgStyles.call(this,e)+` white-space: pre;`}})})(),(function(e){var t=e.fabric||={};t.Textbox=t.util.createClass(t.IText,t.Observable,{type:`textbox`,minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingFlip:!0,noScaleCache:!1,_dimensionAffectingProps:t.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),this.textAlign.indexOf(`justify`)!==-1&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:`_dimensionAffectingProps`}))},_generateStyleMap:function(e){for(var t=0,n=0,r=0,i={},a=0;a<e.graphemeLines.length;a++)e.graphemeText[r]===`
|
|
`&&a>0?(n=0,r++,t++):!this.splitByGrapheme&&this._reSpaceAndTab.test(e.graphemeText[r])&&a>0&&(n++,r++),i[a]={line:t,offset:n},r+=e.graphemeLines[a].length,n+=e.graphemeLines[a].length;return i},styleHas:function(e,n){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[n];r&&(n=r.line)}return t.Text.prototype.styleHas.call(this,e,n)},isEmptyStyles:function(e){if(!this.styles)return!0;var t=0,n=e+1,r,i,a=!1,o=this._styleMap[e],s=this._styleMap[e+1];for(var c in o&&(e=o.line,t=o.offset),s&&(n=s.line,a=n===e,r=s.offset),i=e===void 0?this.styles:{line:this.styles[e]},i)for(var l in i[c])if(l>=t&&(!a||l<r))for(var u in i[c][l])return!1;return!0},_getStyleDeclaration:function(e,t){if(this._styleMap&&!this.isWrapping){var n=this._styleMap[e];if(!n)return null;e=n.line,t=n.offset+t}return this.callSuper(`_getStyleDeclaration`,e,t)},_setStyleDeclaration:function(e,t,n){var r=this._styleMap[e];e=r.line,t=r.offset+t,this.styles[e][t]=n},_deleteStyleDeclaration:function(e,t){var n=this._styleMap[e];e=n.line,t=n.offset+t,delete this.styles[e][t]},_getLineStyle:function(e){var t=this._styleMap[e];return!!this.styles[t.line]},_setLineStyle:function(e){var t=this._styleMap[e];this.styles[t.line]={}},_wrapText:function(e,t){var n=[],r;for(this.isWrapping=!0,r=0;r<e.length;r++)n=n.concat(this._wrapLine(e[r],r,t));return this.isWrapping=!1,n},_measureWord:function(e,t,n){var r=0,i,a=!0;n||=0;for(var o=0,s=e.length;o<s;o++){var c=this._getGraphemeBox(e[o],t,o+n,i,a);r+=c.kernedWidth,i=e[o]}return r},_wrapLine:function(e,n,r,i){var a=0,o=this.splitByGrapheme,s=[],c=[],l=o?t.util.string.graphemeSplit(e):e.split(this._wordJoiners),u=``,d=0,f=o?``:` `,p=0,m=0,h=0,g=!0,_=this._getWidthOfCharSpacing(),i=i||0;l.length===0&&l.push([]),r-=i;for(var v=0;v<l.length;v++)u=o?l[v]:t.util.string.graphemeSplit(l[v]),p=this._measureWord(u,n,d),d+=u.length,a+=m+p-_,a>r&&!g?(s.push(c),c=[],a=p,g=!0):a+=_,!g&&!o&&c.push(f),c=c.concat(u),m=o?0:this._measureWord([f],n,d),d++,g=!1,p>h&&(h=p);return v&&s.push(c),h+i>this.dynamicMinWidth&&(this.dynamicMinWidth=h-_+i),s},isEndOfWrapping:function(e){return!this._styleMap[e+1]||this._styleMap[e+1].line!==this._styleMap[e].line},missingNewlineOffset:function(e,t){return this.splitByGrapheme&&!t?+!!this.isEndOfWrapping(e):1},_splitTextIntoLines:function(e){for(var n=t.Text.prototype._splitTextIntoLines.call(this,e),r=this._wrapText(n.lines,this.width),i=Array(r.length),a=0;a<r.length;a++)i[a]=r[a].join(``);return n.lines=i,n.graphemeLines=r,n},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},_removeExtraneousStyles:function(){var e={};for(var t in this._styleMap)this._textLines[t]&&(e[this._styleMap[t].line]=1);for(var t in this.styles)e[t]||delete this.styles[t]},toObject:function(e){return this.callSuper(`toObject`,[`minWidth`,`splitByGrapheme`].concat(e))}}),t.Textbox.fromObject=function(e,n){var r=t.util.stylesFromArray(e.styles,e.text),i=Object.assign({},e,{styles:r});return delete i.path,t.Object._fromObject(`Textbox`,i,function(r){e.path?t.Object._fromObject(`Path`,e.path,function(e){r.set(`path`,e),n(r)},`path`):n(r)},`text`)}})(e),(function(){var e=t.controlsUtils,n=e.scaleSkewCursorStyleHandler,r=e.scaleCursorStyleHandler,i=e.scalingEqually,a=e.scalingYOrSkewingX,o=e.scalingXOrSkewingY,s=e.scaleOrSkewActionName,c=t.Object.prototype.controls;if(c.ml=new t.Control({x:-.5,y:0,cursorStyleHandler:n,actionHandler:o,getActionName:s}),c.mr=new t.Control({x:.5,y:0,cursorStyleHandler:n,actionHandler:o,getActionName:s}),c.mb=new t.Control({x:0,y:.5,cursorStyleHandler:n,actionHandler:a,getActionName:s}),c.mt=new t.Control({x:0,y:-.5,cursorStyleHandler:n,actionHandler:a,getActionName:s}),c.tl=new t.Control({x:-.5,y:-.5,cursorStyleHandler:r,actionHandler:i}),c.tr=new t.Control({x:.5,y:-.5,cursorStyleHandler:r,actionHandler:i}),c.bl=new t.Control({x:-.5,y:.5,cursorStyleHandler:r,actionHandler:i}),c.br=new t.Control({x:.5,y:.5,cursorStyleHandler:r,actionHandler:i}),c.mtr=new t.Control({x:0,y:-.5,actionHandler:e.rotationWithSnapping,cursorStyleHandler:e.rotationStyleHandler,offsetY:-40,withConnection:!0,actionName:`rotate`}),t.Textbox){var l=t.Textbox.prototype.controls={};l.mtr=c.mtr,l.tr=c.tr,l.br=c.br,l.tl=c.tl,l.bl=c.bl,l.mt=c.mt,l.mb=c.mb,l.mr=new t.Control({x:.5,y:0,actionHandler:e.changeWidth,cursorStyleHandler:n,actionName:`resizing`}),l.ml=new t.Control({x:-.5,y:0,actionHandler:e.changeWidth,cursorStyleHandler:n,actionName:`resizing`})}})()}))(),ro=(0,v.forwardRef)(({activeTool:e,setActiveTool:t,onCanvasReady:n},r)=>{let i=(0,v.useRef)(null),a=(0,v.useRef)(null),[o,s]=(0,v.useState)(1),c=(0,v.useRef)(!1),l=(0,v.useRef)(null),u=(0,v.useRef)(null);return(0,v.useImperativeHandle)(r,()=>({getCanvas:()=>a.current,toJSON:()=>a.current?.toJSON(),loadFromJSON:e=>{a.current&&a.current.loadFromJSON(e,a.current.renderAll.bind(a.current))},addSvgObject:e=>{a.current&&no.fabric.loadSVGFromString(e,(e,t)=>{let n=no.fabric.util.groupSVGElements(e,t);n.set({left:100,top:100,scaleX:.5,scaleY:.5}),a.current.add(n),a.current.setActiveObject(n),a.current.renderAll()})},addObjects:e=>{a.current&&(e.forEach(e=>{let t;e.type===`line`?t=new no.fabric.Line([e.x1,e.y1,e.x2,e.y2],{stroke:e.stroke||`#000`,strokeWidth:e.strokeWidth||1}):e.type===`circle`?t=new no.fabric.Circle({left:e.left,top:e.top,radius:e.radius,fill:e.fill||`transparent`,stroke:e.stroke||`#000`,strokeWidth:e.strokeWidth||1}):e.type===`polygon`?t=new no.fabric.Polygon(e.points.map(e=>({x:e.x,y:e.y})),{fill:e.fill||`transparent`,stroke:e.stroke||`#000`,strokeWidth:e.strokeWidth||1}):e.type===`rect`&&(t=new no.fabric.Rect({left:e.left,top:e.top,width:e.width,height:e.height,fill:e.fill||`transparent`,stroke:e.stroke||`#000`,strokeWidth:e.strokeWidth||1})),t&&a.current.add(t)}),a.current.renderAll())}})),(0,v.useEffect)(()=>{if(i.current&&!a.current){a.current=new no.fabric.Canvas(i.current,{width:i.current.parentElement.clientWidth,height:i.current.parentElement.clientHeight,backgroundColor:`#fff`,selection:!0}),n&&n(a.current);let e=()=>{i.current&&a.current&&(a.current.setWidth(i.current.parentElement.clientWidth),a.current.setHeight(i.current.parentElement.clientHeight),a.current.renderAll())};return window.addEventListener(`resize`,e),()=>{window.removeEventListener(`resize`,e),a.current&&=(a.current.dispose(),null)}}},[]),(0,v.useEffect)(()=>{if(!a.current)return;let e=a.current,t=t=>{let n=t.e.deltaY,r=e.getZoom();r*=.999**n,r>20&&(r=20),r<.01&&(r=.01),e.zoomToPoint({x:t.e.offsetX,y:t.e.offsetY},r),t.e.preventDefault(),t.e.stopPropagation(),s(Math.round(r*100)/100)};return e.on(`mouse:wheel`,t),()=>e.off(`mouse:wheel`,t)},[]),(0,v.useEffect)(()=>{if(!a.current)return;let t=a.current;if(t.off(`mouse:down`),t.off(`mouse:move`),t.off(`mouse:up`),e===`select`){t.isDrawingMode=!1,t.selection=!0,t.forEachObject(e=>e.selectable=!0);return}if(t.selection=!1,t.forEachObject(e=>e.selectable=!1),e===`freehand`){t.isDrawingMode=!0,t.freeDrawingBrush.width=2,t.freeDrawingBrush.color=`#000`;return}t.isDrawingMode=!1,t.on(`mouse:down`,n=>{c.current=!0;let r=t.getPointer(n.e);if(l.current={x:r.x,y:r.y},e===`line`)u.current=new no.fabric.Line([r.x,r.y,r.x,r.y],{stroke:`#000`,strokeWidth:2});else if(e===`rect`)u.current=new no.fabric.Rect({left:r.x,top:r.y,width:0,height:0,fill:`transparent`,stroke:`#000`,strokeWidth:2});else if(e===`circle`)u.current=new no.fabric.Circle({left:r.x,top:r.y,radius:0,fill:`transparent`,stroke:`#000`,strokeWidth:2});else if(e===`text`){let e=new no.fabric.IText(`Text`,{left:r.x,top:r.y,fontSize:20,fill:`#000`});t.add(e),t.setActiveObject(e),c.current=!1;return}else if(e===`dimension`){let e=new no.fabric.Line([r.x,r.y,r.x,r.y],{stroke:`#e74c3c`,strokeWidth:1,strokeDashArray:[5,5]}),n=new no.fabric.Line([r.x,r.y,r.x+10,r.y],{stroke:`#e74c3c`,strokeWidth:1}),i=new no.fabric.Line([r.x+10,r.y,r.x+10,r.y+10],{stroke:`#e74c3c`,strokeWidth:1}),a=new no.fabric.Text(`0`,{left:r.x,top:r.y-20,fontSize:12,fill:`#e74c3c`}),o=new no.fabric.Group([e,n,i,a],{selectable:!1,hasControls:!1,hasBorders:!1});u.current={group:o,line:e,text:a,tick1:n,tick2:i,start:{x:r.x,y:r.y}},t.add(o)}u.current&&e!==`dimension`&&t.add(u.current)}),t.on(`mouse:move`,n=>{if(!c.current||!u.current)return;let r=t.getPointer(n.e);if(e===`line`)u.current.set({x2:r.x,y2:r.y});else if(e===`rect`){let 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