From ba0a0bc9c268fd49c0e584785dbb80b8c9376cee Mon Sep 17 00:00:00 2001 From: ansuz Date: Tue, 16 Nov 2021 17:17:16 +0530 Subject: [PATCH] manually apply fabricjs update --- bower.json | 1 - www/lib/changelog.md | 2 ++ www/lib/fabric.min.js | 1 + www/whiteboard/inner.js | 21 +++++++++++---------- 4 files changed, 14 insertions(+), 11 deletions(-) create mode 100644 www/lib/fabric.min.js diff --git a/bower.json b/bower.json index 81acde661..21702ef82 100644 --- a/bower.json +++ b/bower.json @@ -27,7 +27,6 @@ "marked": "1.1.0", "rangy": "rangy-release#~1.3.0", "json.sortify": "~2.1.0", - "secure-fabric.js": "secure-v1.7.9", "hyperjson": "~1.4.0", "chainpad-crypto": "^0.2.0", "chainpad-listmap": "^1.0.0", diff --git a/www/lib/changelog.md b/www/lib/changelog.md index 486ca2f40..6a9f30320 100644 --- a/www/lib/changelog.md +++ b/www/lib/changelog.md @@ -9,3 +9,5 @@ This file is intended to be used as a log of what third-party source we have ven * [jquery.ui 1.12.1](https://jqueryui.com/) for its 'autocomplete' extension which is used for our tag picker * [pdfjs](https://mozilla.github.io/pdf.js/) with some minor modifications to prevent CSP errors * [mermaidjs 8.4.8](https://mermaid-js.github.io/mermaid/#/) extends our markdown integration to support a variety of diagram types +* [Fabricjs 4.6.0](https://github.com/fabricjs/fabric.js) and [Fabric-history](https://github.com/lyzerk/fabric-history) for the whiteboard app + diff --git a/www/lib/fabric.min.js b/www/lib/fabric.min.js new file mode 100644 index 000000000..34c1ff02f --- /dev/null +++ b/www/lib/fabric.min.js @@ -0,0 +1 @@ +var jsdom,virtualWindow,fabric=fabric||{version:"4.6.0"};function resizeCanvasIfNeeded(t){var e=t.targetCanvas,i=e.width,r=e.height,n=t.destinationWidth,t=t.destinationHeight;i===n&&r===t||(e.width=n,e.height=t)}function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.targetCanvas,t=r.getContext("2d");t.translate(0,r.height),t.scale(1,-1);e=i.height-r.height;t.drawImage(i,0,e,r.width,r.height,0,0,r.width,r.height)}function copyGLTo2DPutImageData(t,e){var i=e.targetCanvas.getContext("2d"),r=e.destinationWidth,n=e.destinationHeight,s=r*n*4,e=new Uint8Array(this.imageBuffer,0,s),s=new Uint8ClampedArray(this.imageBuffer,0,s);t.readPixels(0,0,r,n,t.RGBA,t.UNSIGNED_BYTE,e);n=new ImageData(s,r,n);i.putImageData(n,0,0)}"undefined"!=typeof exports?exports.fabric=fabric:"function"==typeof define&&define.amd&&define([],function(){return fabric}),"undefined"!=typeof document&&"undefined"!=typeof window?(document instanceof("undefined"!=typeof HTMLDocument?HTMLDocument:Document)?fabric.document=document:fabric.document=document.implementation.createHTMLDocument(""),fabric.window=window):(jsdom=require("jsdom"),virtualWindow=new jsdom.JSDOM(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]},resources:"usable"}).window,fabric.document=virtualWindow.document,fabric.jsdomImplForWrapper=require("jsdom/lib/jsdom/living/generated/utils").implForWrapper,fabric.nodeCanvas=require("jsdom/lib/jsdom/utils").Canvas,fabric.window=virtualWindow,DOMParser=fabric.window.DOMParser),fabric.isTouchSupported="ontouchstart"in fabric.window||"ontouchstart"in fabric.document||fabric.window&&fabric.window.navigator&&0_)for(var C=1,S=v.length;Ct[i-2].x?1:s.x===t[i-2].x?0:-1,h=s.y>t[i-2].y?1:s.y===t[i-2].y?0:-1),n.push(["L",s.x+c*e,s.y+h*e]),n},fabric.util.getPathSegmentsInfo=l,fabric.util.getBoundsOfCurve=v,fabric.util.getPointOnPath=function(t,e,i){i=i||l(t);for(var r=0;0/g,">")},graphemeSplit:function(t){for(var e,i=0,r=[],i=0;it.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,e){return void 0===e&&(e=.5),e=Math.max(Math.min(1,e),0),new i(this.x+(t.x-this.x)*e,this.y+(t.y-this.y)*e)},distanceFrom:function(t){var e=this.x-t.x,t=this.y-t.y;return Math.sqrt(e*e+t*t)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new i(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new i(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new i(this.x,this.y)}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var a=t.fabric||(t.fabric={});function c(t){this.status=t,this.points=[]}a.Intersection?a.warn("fabric.Intersection is already defined"):(a.Intersection=c,a.Intersection.prototype={constructor:c,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},a.Intersection.intersectLineLine=function(t,e,i,r){var n,s=(r.x-i.x)*(t.y-i.y)-(r.y-i.y)*(t.x-i.x),o=(e.x-t.x)*(t.y-i.y)-(e.y-t.y)*(t.x-i.x),r=(r.y-i.y)*(e.x-t.x)-(r.x-i.x)*(e.y-t.y);return 0!=r?(i=o/r,0<=(r=s/r)&&r<=1&&0<=i&&i<=1?(n=new c("Intersection")).appendPoint(new a.Point(t.x+r*(e.x-t.x),t.y+r*(e.y-t.y))):n=new c):n=new c(0==s||0==o?"Coincident":"Parallel"),n},a.Intersection.intersectLinePolygon=function(t,e,i){for(var r,n,s=new c,o=i.length,a=0;a=t&&(i.x-=t),i.x<=-t&&(i.x+=t),i.y>=t&&(i.y-=t),i.y<=t&&(i.y+=t),i.x-=o.offsetX,i.y-=o.offsetY,i}function w(t){return t.flipX!==t.flipY}function O(t,e,i,r,n){0!==t[e]&&(r=n/t._getTransformedDimensions()[r]*t[i],t.set(i,r))}function k(t,e,i,r){var n,s=e.target,o=s._getTransformedDimensions(0,s.skewY),i=T(e,e.originX,e.originY,i,r),r=Math.abs(2*i.x)-o.x,i=s.skewX;r<2?n=0:(n=g(Math.atan2(r/s.scaleX,o.y/s.scaleY)),e.originX===c&&e.originY===u&&(n=-n),e.originX===l&&e.originY===h&&(n=-n),w(s)&&(n=-n));e=i!==n;return e&&(i=s._getTransformedDimensions().y,s.set("skewX",n),O(s,"skewY","scaleY","y",i)),e}function P(t,e,i,r){var n,s=e.target,o=s._getTransformedDimensions(s.skewX,0),i=T(e,e.originX,e.originY,i,r),r=Math.abs(2*i.y)-o.y,i=s.skewY;r<2?n=0:(n=g(Math.atan2(r/s.scaleY,o.x/s.scaleX)),e.originX===c&&e.originY===u&&(n=-n),e.originX===l&&e.originY===h&&(n=-n),w(s)&&(n=-n));e=i!==n;return e&&(i=s._getTransformedDimensions().x,s.set("skewY",n),O(s,"skewX","scaleX","x",i)),e}function E(t,e,i,r,n){var s=e.target,o=s.lockScalingX,a=s.lockScalingY,c=(n=n||{}).by,h=b(t,s),n=_(s,c,h),t=e.gestureScale;if(n)return!1;if(t)l=e.scaleX*t,u=e.scaleY*t;else{if(n=T(e,e.originX,e.originY,i,r),t="y"!==c?p(n.x):1,f="x"!==c?p(n.y):1,e.signX||(e.signX=t),e.signY||(e.signY=f),s.lockScalingFlip&&(e.signX!==t||e.signY!==f))return!1;var l,u,i=s._getTransformedDimensions();u=h&&!c?(r=Math.abs(n.x)+Math.abs(n.y),h=e.original,r=r/(Math.abs(i.x*h.scaleX/s.scaleX)+Math.abs(i.y*h.scaleY/s.scaleY)),l=h.scaleX*r,h.scaleY*r):(l=Math.abs(n.x*s.scaleX/i.x),Math.abs(n.y*s.scaleY/i.y)),y(e)&&(l*=2,u*=2),e.signX!==t&&"y"!==c&&(e.originX=d[e.originX],l*=-1,e.signX=t),e.signY!==f&&"x"!==c&&(e.originY=d[e.originY],u*=-1,e.signY=f)}var e=s.scaleX,f=s.scaleY;return c?("x"===c&&s.set("scaleX",l),"y"===c&&s.set("scaleY",u)):(o||s.set("scaleX",l),a||s.set("scaleY",u)),e!==s.scaleX||f!==s.scaleY}o.scaleCursorStyleHandler=function(t,e,i){var r=b(t,i),t="";return 0!==e.x&&0===e.y?t="x":0===e.x&&0!==e.y&&(t="y"),_(i,t,r)?"not-allowed":(e=m(i,e),n[e]+"-resize")},o.skewCursorStyleHandler=function(t,e,i){var r="not-allowed";return 0!==e.x&&i.lockSkewingY||0!==e.y&&i.lockSkewingX?r:(e=m(i,e)%4,s[e]+"-resize")},o.scaleSkewCursorStyleHandler=function(t,e,i){return t[i.canvas.altActionKey]?o.skewCursorStyleHandler(t,e,i):o.scaleCursorStyleHandler(t,e,i)},o.rotationWithSnapping=S("rotating",C(function(t,e,i,r){var n=e,s=n.target,o=s.translateToOriginPoint(s.getCenterPoint(),n.originX,n.originY);return!s.lockRotation&&(e=Math.atan2(n.ey-o.y,n.ex-o.x),r=Math.atan2(r-o.y,i-o.x),i=g(r-e+n.theta),0r.r2,o=(this.gradientTransform||fabric.iMatrix).concat(),a=-this.offsetX,c=-this.offsetY,h=!!e.additionalTransform,l="pixels"===this.gradientUnits?"userSpaceOnUse":"objectBoundingBox";if(n.sort(function(t,e){return t.offset-e.offset}),"objectBoundingBox"==l?(a/=t.width,c/=t.height):(a+=t.width/2,c+=t.height/2),"path"===t.type&&"percentage"!==this.gradientUnits&&(a-=t.pathOffset.x,c-=t.pathOffset.y),o[4]-=a,o[5]-=c,l='id="SVGID_'+this.id+'" gradientUnits="'+l+'"',l+=' gradientTransform="'+(h?e.additionalTransform+" ":"")+fabric.util.matrixToSVG(o)+'" ',"linear"===this.type?i=["\n']:"radial"===this.type&&(i=["\n']),"radial"===this.type){if(s)for((n=n.concat()).reverse(),f=0,d=n.length;f\n')}return i.push("linear"===this.type?"\n":"\n"),i.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e=this.source;if(!e)return"";if(void 0!==e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var o=t.fabric||(t.fabric={}),a=o.util.toFixed;o.Shadow?o.warn("fabric.Shadow is already defined."):(o.Shadow=o.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,nonScaling:!1,initialize:function(t){for(var e in t="string"==typeof t?this._parseShadow(t):t)this[e]=t[e];this.id=o.Object.__uid++},_parseShadow:function(t){var e=t.trim(),t=o.Shadow.reOffsetsAndBlur.exec(e)||[];return{color:(e.replace(o.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").trim(),offsetX:parseFloat(t[1],10)||0,offsetY:parseFloat(t[2],10)||0,blur:parseFloat(t[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var e=40,i=40,r=o.Object.NUM_FRACTION_DIGITS,n=o.util.rotateVector({x:this.offsetX,y:this.offsetY},o.util.degreesToRadians(-t.angle)),s=new o.Color(this.color);return t.width&&t.height&&(e=100*a((Math.abs(n.x)+this.blur)/t.width,r)+20,i=100*a((Math.abs(n.y)+this.blur)/t.height,r)+20),t.flipX&&(n.x*=-1),t.flipY&&(n.y*=-1),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke,nonScaling:this.nonScaling};var e={},i=o.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke","nonScaling"].forEach(function(t){this[t]!==i[t]&&(e[t]=this[t])},this),e}}),o.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(-?\d+(?:\.\d*)?(?:px)?(?:\s?|$))?(\d+(?:\.\d*)?(?:px)?)?(?:\s?|$)(?:$|\s)/)}("undefined"!=typeof exports?exports:this),function(){"use strict";var n,t,h,a,s,o,i,r,e;fabric.StaticCanvas?fabric.warn("fabric.StaticCanvas is already defined."):(n=fabric.util.object.extend,t=fabric.util.getElementOffset,h=fabric.util.removeFromArray,a=fabric.util.toFixed,s=fabric.util.transformPoint,o=fabric.util.invertTransform,i=fabric.util.getNodeCanvas,r=fabric.util.createCanvasElement,e=new Error("Could not initialize `canvas` element"),fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e=e||{},this.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,clipPath:void 0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){var t;this._isRetinaScaling()&&(t=fabric.devicePixelRatio,this.__initRetinaScaling(t,this.lowerCanvasEl,this.contextContainer),this.upperCanvasEl&&this.__initRetinaScaling(t,this.upperCanvasEl,this.contextTop))},__initRetinaScaling:function(t,e,i){e.setAttribute("width",this.width*t),e.setAttribute("height",this.height*t),i.scale(t,t)},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},__setBgOverlayImage:function(r,t,n,s){return"string"==typeof t?fabric.util.loadImage(t,function(t,e){var i;t&&(i=new fabric.Image(t,s),(this[r]=i).canvas=this),n&&n(t,e)},this,s&&s.crossOrigin):(s&&t.setOptions(s),(this[r]=t)&&(t.canvas=this),n&&n(t,!1)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=r();if(!t)throw e;if(t.style||(t.style={}),void 0===t.getContext)throw e;return t},_initOptions:function(t){var e=this.lowerCanvasEl;this._setOptions(t),this.width=this.width||parseInt(e.width,10)||0,this.height=this.height||parseInt(e.height,10)||0,this.lowerCanvasEl.style&&(e.width=this.width,e.height=this.height,e.style.width=this.width+"px",e.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this._originalCanvasStyle=this.lowerCanvasEl.style,this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i,r;for(r in e=e||{},t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px",this.hasLostContext=!0),e.backstoreOnly||this._setCssDimension(r,i);return this._isCurrentlyDrawing&&this.freeDrawingBrush&&this.freeDrawingBrush._setBrushStyles(),this._initRetinaScaling(),this.calcOffset(),e.cssOnly||this.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject,s=this.backgroundImage,o=this.overlayImage;for(this.viewportTransform=t,i=0,r=this._objects.length;i\n'),this._setSVGBgOverlayColor(i,"background"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this.clipPath&&i.push("\n"),this._setSVGBgOverlayColor(i,"overlay"),this._setSVGBgOverlayImage(i,"overlayImage",e),i.push(""),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,r=e.width||this.width,n=e.height||this.height,s='viewBox="0 0 '+this.width+" "+this.height+'" ',o=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?s='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,s='viewBox="'+a(-i[4]/i[0],o)+" "+a(-i[5]/i[3],o)+" "+a(this.width/i[0],o)+" "+a(this.height/i[3],o)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),this.createSVGClipPathMarkup(e),"\n")},createSVGClipPathMarkup:function(t){var e=this.clipPath;return e?(e.clipPathId="CLIPPATH_"+fabric.Object.__uid++,'\n'+this.clipPath.toClipPathSVG(t.reviver)+"\n"):""},createSVGRefElementsMarkup:function(){var n=this;return["background","overlay"].map(function(t){var e=n[t+"Color"];if(e&&e.toLive){var i=n[t+"Vpt"],r=n.viewportTransform,t={width:n.width/(i?r[0]:1),height:n.height/(i?r[3]:1)};return e.toSVG(t,{additionalTransform:i?fabric.util.matrixToSVG(r):""})}}).join("")},createSVGFontFacesMarkup:function(){var t,e,i,r,n,s,o,a,c,h="",l={},u=fabric.fontPaths,f=[];for(this._objects.forEach(function t(e){f.push(e),e._objects&&e._objects.forEach(t)}),o=0,a=f.length;o',"\n",h,"","\n"].join("")},_setSVGObjects:function(t,e){for(var i,r=this._objects,n=0,s=r.length;n\n")):t.push('\n"))},sendToBack:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(e=(r=n._objects).length;e--;)i=r[e],h(this._objects,i),this._objects.unshift(i);else h(this._objects,t),this._objects.unshift(t);return this.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,i,r,n=this._activeObject;if(t===n&&"activeSelection"===t.type)for(r=n._objects,e=0;e"}}),n(fabric.StaticCanvas.prototype,fabric.Observable),n(fabric.StaticCanvas.prototype,fabric.Collection),n(fabric.StaticCanvas.prototype,fabric.DataURLExporter),n(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=r();if(!e||!e.getContext)return null;e=e.getContext("2d");return!e||"setLineDash"!==t?null:void 0!==e.setLineDash}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject,fabric.isLikelyNode&&(fabric.StaticCanvas.prototype.createPNGStream=function(){var t=i(this.lowerCanvasEl);return t&&t.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){var e=i(this.lowerCanvasEl);return e&&e.createJPEGStream(t)}))}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeMiterLimit:10,strokeDashArray:null,limitedToCanvasSize:!1,_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.miterLimit=this.strokeMiterLimit,t.lineJoin=this.strokeLineJoin,t.setLineDash(this.strokeDashArray||[])},_saveAndTransform:function(t){var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5])},_setShadow:function(){var t,e,i,r;this.shadow&&(t=this.canvas,e=this.shadow,i=t.contextTop,r=t.getZoom(),t&&t._isRetinaScaling()&&(r*=fabric.devicePixelRatio),i.shadowColor=e.color,i.shadowBlur=e.blur*r,i.shadowOffsetX=e.offsetX*r,i.shadowOffsetY=e.offsetY*r)},needsFullRender:function(){return new fabric.Color(this.color).getAlpha()<1||!!this.shadow},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0},_isOutSideCanvas:function(t){return t.x<0||t.x>this.canvas.getWidth()||t.y<0||t.y>this.canvas.getHeight()}}),fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{decimate:.4,initialize:function(t){this.canvas=t,this._points=[]},_drawSegment:function(t,e,i){i=e.midPointFrom(i);return t.quadraticCurveTo(e.x,e.y,i.x,i.y),i},onMouseDown:function(t,e){this.canvas._isMainEvent(e.e)&&(this._prepareForDrawing(t),this._captureDrawingPath(t),this._render())},onMouseMove:function(t,e){var i;this.canvas._isMainEvent(e.e)&&(!0===this.limitedToCanvasSize&&this._isOutSideCanvas(t)||this._captureDrawingPath(t)&&1"},getObjectScaling:function(){if(!this.group)return{scaleX:this.scaleX,scaleY:this.scaleY};var t=g.util.qrDecompose(this.calcTransformMatrix());return{scaleX:Math.abs(t.scaleX),scaleY:Math.abs(t.scaleY)}},getTotalObjectScaling:function(){var t,e=this.getObjectScaling(),i=e.scaleX,r=e.scaleY;return this.canvas&&(i*=(t=this.canvas.getZoom())*(e=this.canvas.getRetinaScaling()),r*=t*e),{scaleX:i,scaleY:r}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,e){var i,r=this[t]!==e;return("scaleX"===t||"scaleY"===t)&&(e=this._constrainScale(e)),"scaleX"===t&&e<0?(this.flipX=!this.flipX,e*=-1):"scaleY"===t&&e<0?(this.flipY=!this.flipY,e*=-1):"shadow"!==t||!e||e instanceof g.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",e):e=new g.Shadow(e),this[t]=e,r&&(i=this.group&&this.group.isOnACache(),-1=t.x&&r.left+r.width<=e.x&&r.top>=t.y&&r.top+r.height<=e.y},containsPoint:function(t,e,i,r){r=this._getCoords(i,r),e=e||this._getImageLines(r),e=this._findCrossPoints(t,e);return 0!==e&&e%2==1},isOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.getCoords(!0,t).some(function(t){return t.x<=i.x&&t.x>=e.x&&t.y<=i.y&&t.y>=e.y})||(!!this.intersectsWithRect(e,i,!0,t)||this._containsCenterOfCanvas(e,i,t))},_containsCenterOfCanvas:function(t,e,i){e={x:(t.x+e.x)/2,y:(t.y+e.y)/2};return!!this.containsPoint(e,null,!0,i)},isPartiallyOnScreen:function(t){if(!this.canvas)return!1;var e=this.canvas.vptCoords.tl,i=this.canvas.vptCoords.br;return!!this.intersectsWithRect(e,i,!0,t)||this.getCoords(!0,t).every(function(t){return(t.x>=i.x||t.x<=e.x)&&(t.y>=i.y||t.y<=e.y)})&&this._containsCenterOfCanvas(e,i,t)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s=0;for(n in e)if(!((r=e[n]).o.y=t.y&&r.d.y>=t.y||((r.o.x===r.d.x&&r.o.x>=t.x?r.o.x:(i=(r.d.y-r.o.y)/(r.d.x-r.o.x),-(t.y-0*t.x-(r.o.y-i*r.o.x))/(0-i)))>=t.x&&(s+=1),2!==s)))break;return s},getBoundingRect:function(t,e){e=this.getCoords(t,e);return s.makeBoundingBoxFromPoints(e)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)\n'))},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(t),{reviver:t})},toClipPathSVG:function(t){return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(t),{reviver:t})},_createBaseClipPathSVGMarkup:function(t,e){var i=(e=e||{}).reviver,r=e.additionalTransform||"",e=[this.getSvgTransform(!0,r),this.getSvgCommons()].join(""),r=t.indexOf("COMMON_PARTS");return t[r]=e,i?i(t.join("")):t.join("")},_createBaseSVGMarkup:function(t,e){var i,r=(e=e||{}).noStyle,n=e.reviver,s=r?"":'style="'+this.getSvgStyles()+'" ',o=e.withShadow?'style="'+this.getSvgFilter()+'" ':"",a=this.clipPath,c=this.strokeUniform?'vector-effect="non-scaling-stroke" ':"",h=a&&a.absolutePositioned,l=this.stroke,u=this.fill,f=this.shadow,d=[],g=t.indexOf("COMMON_PARTS"),e=e.additionalTransform;return a&&(a.clipPathId="CLIPPATH_"+fabric.Object.__uid++,i='\n'+a.toClipPathSVG(n)+"\n"),h&&d.push("\n"),d.push("\n"),e=[s,c,r?"":this.addPaintOrder()," ",e?'transform="'+e+'" ':""].join(""),t[g]=e,u&&u.toLive&&d.push(u.toSVG(this)),l&&l.toLive&&d.push(l.toSVG(this)),f&&d.push(f.toSVG(this)),a&&d.push(i),d.push(t.join("")),d.push("\n"),h&&d.push("\n"),n?n(d.join("")):d.join("")},addPaintOrder:function(){return"fill"!==this.paintFirst?' paint-order="'+this.paintFirst+'" ':""}})}(),function(){var n=fabric.util.object.extend,r="stateProperties";function s(e,t,i){var r={};i.forEach(function(t){r[t]=e[t]}),n(e[t],r,!0)}fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(t){var e="_"+(t=t||r);return Object.keys(this[e]).length\n']}}),n.Line.ATTRIBUTE_NAMES=n.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),n.Line.fromElement=function(t,e,i){i=i||{};var r=n.parseAttributes(t,n.Line.ATTRIBUTE_NAMES),t=[r.x1||0,r.y1||0,r.x2||0,r.y2||0];e(new n.Line(t,s(r,i)))},n.Line.fromObject=function(t,e){var i=r(t,!0);i.points=[t.x1,t.y1,t.x2,t.y2],n.Object._fromObject("Line",i,function(t){delete t.points,e&&e(t)},"points")})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var s=t.fabric||(t.fabric={}),o=Math.PI;s.Circle?s.warn("fabric.Circle is already defined."):(s.Circle=s.util.createClass(s.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*o,cacheProperties:s.Object.prototype.cacheProperties.concat("radius","startAngle","endAngle"),_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},_toSVG:function(){var t,e,i,r,n=(this.endAngle-this.startAngle)%(2*o);return 0==n?["\n']:(t=s.util.cos(this.startAngle)*this.radius,e=s.util.sin(this.startAngle)*this.radius,i=s.util.cos(this.endAngle)*this.radius,r=s.util.sin(this.endAngle)*this.radius,['\n"])},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderPaintInOrder(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),s.Circle.ATTRIBUTE_NAMES=s.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),s.Circle.fromElement=function(t,e){var i=s.parseAttributes(t,s.Circle.ATTRIBUTE_NAMES);if(!("radius"in(t=i)&&0<=t.radius))throw new 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,e(new s.Circle(i))},s.Circle.fromObject=function(t,e){s.Object._fromObject("Circle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var i=t.fabric||(t.fabric={});i.Triangle?i.warn("fabric.Triangle is already defined"):(i.Triangle=i.util.createClass(i.Object,{type:"triangle",width:100,height:100,_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderPaintInOrder(t)},_toSVG:function(){var t=this.width/2,e=this.height/2;return["']}}),i.Triangle.fromObject=function(t,e){return i.Object._fromObject("Triangle",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var i=t.fabric||(t.fabric={}),e=2*Math.PI;i.Ellipse?i.warn("fabric.Ellipse is already defined."):(i.Ellipse=i.util.createClass(i.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:i.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,e,!1),t.restore(),this._renderPaintInOrder(t)}}),i.Ellipse.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),i.Ellipse.fromElement=function(t,e){t=i.parseAttributes(t,i.Ellipse.ATTRIBUTE_NAMES);t.left=(t.left||0)-t.rx,t.top=(t.top||0)-t.ry,e(new i.Ellipse(t))},i.Ellipse.fromObject=function(t,e){i.Object._fromObject("Ellipse",t,e)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var r=t.fabric||(t.fabric={}),n=r.util.object.extend;r.Rect?r.warn("fabric.Rect is already defined"):(r.Rect=r.util.createClass(r.Object,{stateProperties:r.Object.prototype.stateProperties.concat("rx","ry"),type:"rect",rx:0,ry:0,cacheProperties:r.Object.prototype.cacheProperties.concat("rx","ry"),initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,c=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-c*e,o,s+r,o+c*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-c*i,s+r-c*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+c*e,o+n,s,o+n-c*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+c*i,s+c*e,o,s+e,o),t.closePath(),this._renderPaintInOrder(t)},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},_toSVG:function(){return["\n']}}),r.Rect.ATTRIBUTE_NAMES=r.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),r.Rect.fromElement=function(t,e,i){if(!t)return e(null);i=i||{};t=r.parseAttributes(t,r.Rect.ATTRIBUTE_NAMES);t.left=t.left||0,t.top=t.top||0,t.height=t.height||0,t.width=t.width||0;t=new r.Rect(n(i?r.util.object.clone(i):{},t));t.visible=t.visible&&0\n']},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){return r(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()})})},toDatalessObject:function(t){t=this.toObject(["sourcePath"].concat(t));return t.sourcePath&&delete t.path,t},_toSVG:function(){return["\n"]},_getOffsetTransform:function(){var t=f.Object.NUM_FRACTION_DIGITS;return" translate("+e(-this.pathOffset.x,t)+", "+e(-this.pathOffset.y,t)+")"},toClipPathSVG:function(t){var e=this._getOffsetTransform();return"\t"+this._createBaseClipPathSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},toSVG:function(t){var e=this._getOffsetTransform();return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,additionalTransform:e})},complexity:function(){return this.path.length},_calcDimensions:function(){for(var t,e,i=[],r=[],n=0,s=0,o=0,a=0,c=0,h=this.path.length;c"},addWithUpdate:function(t){var e=!!this.group;return this._restoreObjectsState(),o.util.resetObjectTransform(this),t&&(e&&o.util.removeTransformFromObject(t,this.group.calcTransformMatrix()),this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.dirty=!0,e?this.group.addWithUpdate():this.setCoords(),this},removeWithUpdate:function(t){return this._restoreObjectsState(),o.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);if("canvas"===t)for(;i--;)this._objects[i]._set(t,e);o.Object.prototype._set.call(this,t,e)},toObject:function(r){var n=this.includeDefaultValues,t=this._objects.filter(function(t){return!t.excludeFromExport}).map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=n;var i=t.toObject(r);return t.includeDefaultValues=e,i}),e=o.Object.prototype.toObject.call(this,r);return e.objects=t,e},toDatalessObject:function(r){var n,t,e=this.sourcePath;t=e||(n=this.includeDefaultValues,this._objects.map(function(t){var e=t.includeDefaultValues;t.includeDefaultValues=n;var i=t.toDatalessObject(r);return t.includeDefaultValues=e,i}));e=o.Object.prototype.toDatalessObject.call(this,r);return e.objects=t,e},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=o.Object.prototype.shouldCache.call(this);if(t)for(var e=0,i=this._objects.length;e\n"],i=0,r=this._objects.length;i\n"),e},getSvgStyles:function(){var t=void 0!==this.opacity&&1!==this.opacity?"opacity: "+this.opacity+";":"",e=this.visible?"":" visibility: hidden;";return[t,this.getSvgFilter(),e].join("")},toClipPathSVG:function(t){for(var e=[],i=0,r=this._objects.length;i"},shouldCache:function(){return!1},isOnACache:function(){return!1},_renderControls:function(t,e,i){t.save(),t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.callSuper("_renderControls",t,e),void 0===(i=i||{}).hasControls&&(i.hasControls=!1),i.forActiveSelection=!0;for(var r=0,n=this._objects.length;r\n','\t\n',"\n"),a=' clip-path="url(#imageCrop_'+e+')" '),this.imageSmoothing||(c='" image-rendering="optimizeSpeed'),r.push("\t\n"),(this.stroke||this.strokeDashArray)&&(a=this.fill,this.fill=null,t=["\t\n'],this.fill=a),i="fill"!==this.paintFirst?i.concat(t,r):i.concat(r,t)):[]},getSrc:function(t){t=t?this._element:this._originalElement;return t?t.toDataURL?t.toDataURL():this.srcFromAttribute?t.getAttribute("src"):t.src:this.src||""},setSrc:function(t,i,r){return fabric.util.loadImage(t,function(t,e){this.setElement(t,r),this._setWidthHeight(),i&&i(this,e)},this,r&&r.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.minimumScaleTrigger,i=this.getTotalObjectScaling(),r=i.scaleX,n=i.scaleY,s=this._filteredEl||this._originalElement;if(this.group&&this.set("dirty",!0),!t||e=t,o=["highp","mediump","lowp"],a=0;a<3;a++)if(r=void 0,r="precision "+(i=o[a])+" float;\nvoid main(){}",i=(e=s).createShader(e.FRAGMENT_SHADER),e.shaderSource(i,r),e.compileShader(i),!!e.getShaderParameter(i,e.COMPILE_STATUS)){fabric.webGlPrecision=o[a];break}}return this.isSupported=n},(fabric.WebglFilterBackend=t).prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.aPosition=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i=void 0!==window.performance;try{new ImageData(1,1),s=!0}catch(t){s=!1}var r="undefined"!=typeof ArrayBuffer,n="undefined"!=typeof Uint8ClampedArray;if(i&&s&&r&&n){var s=fabric.util.createCanvasElement(),r=new ArrayBuffer(t*e*4);if(fabric.forceGLPutImageData)return this.imageBuffer=r,void(this.copyGLTo2D=copyGLTo2DPutImageData);n={imageBuffer:r,destinationWidth:t,destinationHeight:e,targetCanvas:s};s.width=t,s.height=e,s=window.performance.now(),copyGLTo2DDrawImage.call(n,this.gl,n),e=window.performance.now()-s,s=window.performance.now(),copyGLTo2DPutImageData.call(n,this.gl,n),window.performance.now()-s 0.0) {\n"+this.fragmentSource[t]+"}\n}"},retrieveShader:function(t){var e,i=this.type+"_"+this.mode;return t.programCache.hasOwnProperty(i)||(e=this.buildSource(this.mode),t.programCache[i]=this.createProgram(t.context,e)),t.programCache[i]},applyTo2d:function(t){for(var e,i,r,n=t.imageData.data,s=n.length,o=1-this.alpha,t=new u.Color(this.color).getSource(),a=t[0]*this.alpha,c=t[1]*this.alpha,h=t[2]*this.alpha,l=0;l'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){var e=this.path;e&&!e.isNotVisible()&&e._render(t),this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){"stroke"===this.paintFirst?(this._renderTextStroke(t),this._renderTextFill(t)):(this._renderTextFill(t),this._renderTextStroke(t))},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;ethis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===t||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection())))},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),r=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:r,selectionEnd:r};e=i.slice(t,e);return{selectionStart:r,selectionEnd:r+fabric.util.string.graphemeSplit(e).length}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+i.slice(t,e).join("").length}},_updateTextarea:function(){var t;this.cursorOffsetCache={},this.hiddenTextarea&&(this.inCompositionMode||(t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text),this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd),this.updateTextareaPosition())},updateFromTextArea:function(){var t;this.hiddenTextarea&&(this.cursorOffsetCache={},this.text=this.hiddenTextarea.value,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition())},updateTextareaPosition:function(){var t;this.selectionStart===this.selectionEnd&&(t=this._calcTextareaPosition(),this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top)},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),t={x:e.left+o,y:e.top+e.topOffset+s},i=this.canvas.getRetinaScaling(),r=this.canvas.upperCanvasEl,n=r.width/i,o=r.height/i,e=n-s,i=o-s,n=r.clientWidth/n,o=r.clientHeight/o,t=fabric.util.transformPoint(t,a);return(t=fabric.util.transformPoint(t,this.canvas.viewportTransform)).x*=n,t.y*=o,t.x<0&&(t.x=0),t.x>e&&(t.x=e),t.y<0&&(t.y=0),t.y>i&&(t.y=i),t.x+=this.canvas._offset.left,t.y+=this.canvas._offset.top,{left:t.x+"px",top:t.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,selectable:this.selectable,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.hoverCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.selectable=this._savedProps.selectable,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text,e=this.hiddenTextarea;return this.selected=!1,this.isEditing=!1,this.selectionEnd=this.selectionStart,e&&(e.blur&&e.blur(),e.parentNode&&e.parentNode.removeChild(e)),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var t=this.get2DCursorLocation(t,!0),e=this.get2DCursorLocation(e,!0),i=t.lineIndex,r=t.charIndex,n=e.lineIndex,s=e.charIndex;if(i!==n){if(this.styles[i])for(l=r;lt?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown)},onMouseDown:function(t){var e;this.canvas&&(this.__newClickTime=+new Date,e=t.pointer,this.isTripleClick(e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected)},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},doubleClickHandler:function(t){this.isEditing&&this.selectWord(this.getSelectionStartFromPointer(t.e))},tripleClickHandler:function(t){this.isEditing&&this.selectLine(this.getSelectionStartFromPointer(t.e))},initClicks:function(){this.on("mousedblclick",this.doubleClickHandler),this.on("tripleclick",this.tripleClickHandler)},_mouseDownHandler:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.__isMousedown=!0,this.selected&&(this.inCompositionMode=!1,this.setCursorByClick(t.e)),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection()))},_mouseDownHandlerBefore:function(t){!this.canvas||!this.editable||t.e.button&&1!==t.e.button||(this.selected=this===this.canvas._activeObject)},initMousedownHandler:function(){this.on("mousedown",this._mouseDownHandler),this.on("mousedown:before",this._mouseDownHandlerBefore)},initMouseupHandler:function(){this.on("mouseup",this.mouseUpHandler)},mouseUpHandler:function(t){if(this.__isMousedown=!1,!(!this.editable||this.group||t.transform&&t.transform.actionPerformed||t.e.button&&1!==t.e.button)){if(this.canvas){var e=this.canvas._activeObject;if(e&&e!==this)return}this.__lastSelected&&!this.__corner?(this.selected=!1,this.__lastSelected=!1,this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()):this.selected=!0}},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e=this.getLocalPointer(t),i=0,r=0,n=0,s=0,o=0,a=0,c=this._textLines.length;athis._text.length?this._text.length:t}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; paddingｰtop: "+t.fontSize+";",(this.hiddenTextareaContainer||fabric.document.body).appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},keysMapRtl:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorLeft",36:"moveCursorRight",37:"moveCursorRight",38:"moveCursorUp",39:"moveCursorLeft",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){var e="rtl"===this.direction?this.keysMapRtl:this.keysMap;if(t.keyCode in e)this[e[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),33<=t.keyCode&&t.keyCode<=40?(this.inCompositionMode=!1,this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n,s=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,o=this._text.length,a=s.length,c=a-o,h=this.selectionStart,l=this.selectionEnd,u=h!==l;if(""===this.hiddenTextarea.value)return this.styles={},this.updateFromTextArea(),this.fire("changed"),void(this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll()));var f=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value),t=h>f.selectionStart;u?(n=this._text.slice(h,l),c+=l-h):a=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){t=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(t):this.moveCursorWithoutShift(t),0!==t&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){t="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?t+="Shift":t+="outShift",this[t](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t,e){this.removeStyleFromTo(t,e=void 0===e?t+1:e),this._text.splice(t,e-t),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()},insertChars:function(t,e,i,r){i<(r=void 0===r?i:r)&&this.removeStyleFromTo(i,r);t=fabric.util.string.graphemeSplit(t);this.insertNewStyleBlock(t,i,e),this._text=[].concat(this._text.slice(0,i),t,this._text.slice(r)),this.text=this._text.join(""),this.set("dirty",!0),this._shouldClearDimensionCache()&&(this.initDimensions(),this.setCoords()),this._removeExtraneousStyles()}}),function(){var a=fabric.util.toFixed,c=/ +/g;fabric.util.object.extend(fabric.Text.prototype,{_toSVG:function(){var t=this._getSVGLeftTopOffsets(),t=this._getSVGTextAndBg(t.textTop,t.textLeft);return this._wrapSVGTextAndBg(t)},toSVG:function(t){return this._createBaseSVGMarkup(this._toSVG(),{reviver:t,noStyle:!0,withShadow:!0})},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t){var e=this.getSvgTextDecoration(this);return[t.textBgRects.join(""),'\t\t",t.textSpans.join(""),"\n"]},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(t),""].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,c=this.getHeightOfLine(e),h=-1!==this.textAlign.indexOf("justify"),l="",u=0,f=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)a=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u?(i+=o.kernedWidth-o.width,u+=o.width):u+=o.kernedWidth,(a=h&&!a&&this._reSpaceAndTab.test(f[d])?!0:a)||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),a=this._hasStyleChangedForSvg(n,s)),a&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(t,e,i,r,n,s){var o=fabric.Object.NUM_FRACTION_DIGITS;t.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,c=0,h=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),-1!==this.textAlign.indexOf("justify")&&this.enlargeSpaces(),this.height=this.calcTextHeight(),this.saveState({propertySet:"_dimensionAffectingProps"}))},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;sthis.dynamicMinWidth&&(this.dynamicMinWidth=g-m+r),c},isEndOfWrapping:function(t){return!this._styleMap[t+1]||this._styleMap[t+1].line!==this._styleMap[t].line},missingNewlineOffset:function(t){return!this.splitByGrapheme||this.isEndOfWrapping(t)?1:0},_splitTextIntoLines:function(t){for(var t=b.Text.prototype._splitTextIntoLines.call(this,t),e=this._wrapText(t.lines,this.width),i=new Array(e.length),r=0;r