diff --git a/CHANGELOG.md b/CHANGELOG.md index 64172d8a070..9c8423fbe22 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,3 +1,10 @@ +**Version 1.6.6** + +- Add: Contrast and Saturate filters [#3341](https://github.com/kangax/fabric.js/pull/3341) +- Fix: Correct registering and removal of events to handle iText objects. [#3349](https://github.com/kangax/fabric.js/pull/3349) +- Fix: Corrected 2 regression of 1.6.5 (dataurl export and itext clicks) +- Fix: Corrected path boundaries calculation for Arcs ( a and A ) [#3347](https://github.com/kangax/fabric.js/pull/3347) + **Version 1.6.5** - Fix: charspacing, do not get subzero with charwidth. diff --git a/HEADER.js b/HEADER.js index 577cb842d7f..51e45d5c950 100644 --- a/HEADER.js +++ b/HEADER.js @@ -1,6 +1,6 @@ /*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */ -var fabric = fabric || { version: "1.6.5" }; +var fabric = fabric || { version: "1.6.6" }; if (typeof exports !== 'undefined') { exports.fabric = fabric; } diff --git a/dist/fabric.js b/dist/fabric.js index 27bdd479ac0..9057c3257c6 100644 --- a/dist/fabric.js +++ b/dist/fabric.js @@ -1,7 +1,7 @@ /* build: `node build.js modules=ALL exclude=json,gestures minifier=uglifyjs` */ /*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */ -var fabric = fabric || { version: "1.6.5" }; +var fabric = fabric || { version: "1.6.6" }; if (typeof exports !== 'undefined') { exports.fabric = fabric; } @@ -1174,18 +1174,13 @@ fabric.Collection = { */ fabric.util.getBoundsOfArc = function(fx, fy, rx, ry, rot, large, sweep, tx, ty) { - var fromX = 0, fromY = 0, bound = [], bounds = [], - segs = arcToSegments(tx - fx, ty - fy, rx, ry, large, sweep, rot), - boundCopy = [[], []]; + var fromX = 0, fromY = 0, bound, bounds = [], + segs = arcToSegments(tx - fx, ty - fy, rx, ry, large, sweep, rot); for (var i = 0, len = segs.length; i < len; i++) { bound = getBoundsOfCurve(fromX, fromY, segs[i][0], segs[i][1], segs[i][2], segs[i][3], segs[i][4], segs[i][5]); - boundCopy[0].x = bound[0].x + fx; - boundCopy[0].y = bound[0].y + fy; - boundCopy[1].x = bound[1].x + fx; - boundCopy[1].y = bound[1].y + fy; - bounds.push(boundCopy[0]); - bounds.push(boundCopy[1]); + bounds.push({ x: bound[0].x + fx, y: bound[0].y + fy }); + bounds.push({ x: bound[1].x + fx, y: bound[1].y + fy }); fromX = segs[i][4]; fromY = segs[i][5]; } @@ -1549,7 +1544,6 @@ fabric.Collection = { (function() { - /** * Copies all enumerable properties of one object to another * @memberOf fabric.util.object @@ -1557,12 +1551,17 @@ fabric.Collection = { * @param {Object} source Where to copy from * @return {Object} */ + function extend(destination, source, deep) { // JScript DontEnum bug is not taken care of // the deep clone is for internal use, is not meant to avoid // javascript traps or cloning html element or self referenced objects. if (deep) { - if (source instanceof Array) { + if (!fabric.isLikelyNode && source instanceof Element) { + // avoid cloning deep images, canvases, + destination = source; + } + else if (source instanceof Array) { destination = source.map(function(v) { return clone(v, deep) }) @@ -6779,6 +6778,13 @@ fabric.Pattern = fabric.util.createClass(/** @lends fabric.Pattern.prototype */ this.overlayImage = null; this.backgroundColor = ''; this.overlayColor = '' + if (this._hasITextHandlers) { + this.off('selection:cleared', this._canvasITextSelectionClearedHanlder); + this.off('object:selected', this._canvasITextSelectionClearedHanlder); + this.off('mouse:up', this._mouseUpITextHandler); + this._iTextInstances = null; + this._hasITextHandlers = false; + } this.clearContext(this.contextContainer); this.fire('canvas:cleared'); this.renderAll(); @@ -10958,7 +10964,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab var origWidth = this.getWidth(), origHeight = this.getHeight(), scaledWidth = (cropping.width || this.getWidth()) * multiplier, - scaledHeight = (cropping.width || this.getHeight()) * multiplier, + scaledHeight = (cropping.height || this.getHeight()) * multiplier, zoom = this.getZoom(), newZoom = zoom * multiplier, vp = this.viewportTransform, @@ -13897,7 +13903,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } function _isEqual(origValue, currentValue) { - if (origValue instanceof Array) { + if (!fabric.isLikelyNode && origValue instanceof Element) { + // avoid checking deep html elements + return origValue === currentValue; + } + else if (origValue instanceof Array) { if (origValue.length !== currentValue.length) { return false } @@ -18944,7 +18954,7 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag * Constructor * @memberOf fabric.Image.filters.Brightness.prototype * @param {Object} [options] Options object - * @param {Number} [options.brightness=0] Value to brighten the image up (0..255) + * @param {Number} [options.brightness=0] Value to brighten the image up (-255..255) */ initialize: function(options) { options = options || { }; @@ -20746,6 +20756,180 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag })(typeof exports !== 'undefined' ? exports : this); +(function(global) { + + 'use strict'; + + var fabric = global.fabric || (global.fabric = { }), + extend = fabric.util.object.extend, + filters = fabric.Image.filters, + createClass = fabric.util.createClass; + + /** + * Contrast filter class + * @class fabric.Image.filters.Contrast + * @memberOf fabric.Image.filters + * @extends fabric.Image.filters.BaseFilter + * @see {@link fabric.Image.filters.Contrast#initialize} for constructor definition + * @see {@link http://fabricjs.com/image-filters|ImageFilters demo} + * @example + * var filter = new fabric.Image.filters.Contrast({ + * contrast: 40 + * }); + * object.filters.push(filter); + * object.applyFilters(canvas.renderAll.bind(canvas)); + */ + filters.Contrast = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Contrast.prototype */ { + + /** + * Filter type + * @param {String} type + * @default + */ + type: 'Contrast', + + /** + * Constructor + * @memberOf fabric.Image.filters.Contrast.prototype + * @param {Object} [options] Options object + * @param {Number} [options.contrast=0] Value to contrast the image up (-255...255) + */ + initialize: function(options) { + options = options || { }; + this.contrast = options.contrast || 0; + }, + + /** + * Applies filter to canvas element + * @param {Object} canvasEl Canvas element to apply filter to + */ + applyTo: function(canvasEl) { + var context = canvasEl.getContext('2d'), + imageData = context.getImageData(0, 0, canvasEl.width, canvasEl.height), + data = imageData.data, + contrastF = 259 * (this.contrast + 255) / (255 * (259 - this.contrast)); + + for (var i = 0, len = data.length; i < len; i += 4) { + data[i] = contrastF * (data[i] - 128) + 128; + data[i + 1] = contrastF * (data[i + 1] - 128) + 128; + data[i + 2] = contrastF * (data[i + 2] - 128) + 128; + } + + context.putImageData(imageData, 0, 0); + }, + + /** + * Returns object representation of an instance + * @return {Object} Object representation of an instance + */ + toObject: function() { + return extend(this.callSuper('toObject'), { + contrast: this.contrast + }); + } + }); + + /** + * Returns filter instance from an object representation + * @static + * @param {Object} object Object to create an instance from + * @return {fabric.Image.filters.Contrast} Instance of fabric.Image.filters.Contrast + */ + fabric.Image.filters.Contrast.fromObject = function(object) { + return new fabric.Image.filters.Contrast(object); + }; + +})(typeof exports !== 'undefined' ? exports : this); + + +(function(global) { + + 'use strict'; + + var fabric = global.fabric || (global.fabric = { }), + extend = fabric.util.object.extend, + filters = fabric.Image.filters, + createClass = fabric.util.createClass; + + /** + * Saturate filter class + * @class fabric.Image.filters.Saturate + * @memberOf fabric.Image.filters + * @extends fabric.Image.filters.BaseFilter + * @see {@link fabric.Image.filters.Saturate#initialize} for constructor definition + * @see {@link http://fabricjs.com/image-filters|ImageFilters demo} + * @example + * var filter = new fabric.Image.filters.Saturate({ + * saturate: 100 + * }); + * object.filters.push(filter); + * object.applyFilters(canvas.renderAll.bind(canvas)); + */ + filters.Saturate = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Saturate.prototype */ { + + /** + * Filter type + * @param {String} type + * @default + */ + type: 'Saturate', + + /** + * Constructor + * @memberOf fabric.Image.filters.Saturate.prototype + * @param {Object} [options] Options object + * @param {Number} [options.contrast=0] Value to saturate the image (-255...255) + */ + initialize: function(options) { + options = options || { }; + this.saturate = options.saturate || 0; + this.loadProgram(); + }, + + /** + * Applies filter to canvas element + * @param {Object} canvasEl Canvas element to apply filter to + */ + applyTo: function(canvasEl) { + var context = canvasEl.getContext('2d'), + imageData = context.getImageData(0, 0, canvasEl.width, canvasEl.height), + data = imageData.data, + max, adjust = -this.saturate * 0.01; + + for (var i = 0, len = data.length; i < len; i += 4) { + max = Math.max(data[i], data[i + 1], data[i + 2]); + data[i] += max !== data[i] ? (max - data[i]) * adjust : 0; + data[i + 1] += max !== data[i + 1] ? (max - data[i + 1]) * adjust : 0; + data[i + 2] += max !== data[i + 2] ? (max - data[i + 2]) * adjust : 0; + } + + context.putImageData(imageData, 0, 0); + }, + + /** + * Returns object representation of an instance + * @return {Object} Object representation of an instance + */ + toObject: function() { + return extend(this.callSuper('toObject'), { + saturate: this.saturate + }); + } + }); + + /** + * Returns filter instance from an object representation + * @static + * @param {Object} object Object to create an instance from + * @return {fabric.Image.filters.Saturate} Instance of fabric.Image.filters.Saturate + */ + fabric.Image.filters.Saturate.fromObject = function(object) { + return new fabric.Image.filters.Saturate(object); + }; + +})(typeof exports !== 'undefined' ? exports : this); + + (function(global) { 'use strict'; @@ -23132,6 +23316,7 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag this.initRemovedHandler(); this.initCursorSelectionHandlers(); this.initDoubleClickSimulation(); + this.mouseMoveHandler = this.mouseMoveHandler.bind(this); }, /** @@ -23153,18 +23338,14 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag initAddedHandler: function() { var _this = this; this.on('added', function() { - if (this.canvas && !this.canvas._hasITextHandlers) { - this.canvas._hasITextHandlers = true; - this._initCanvasHandlers(); - } - - // Track IText instances per-canvas. Only register in this array once added - // to a canvas; we don't want to leak a reference to the instance forever - // simply because it existed at some point. - // (Might be added to a collection, but not on a canvas.) - if (_this.canvas) { - _this.canvas._iTextInstances = _this.canvas._iTextInstances || []; - _this.canvas._iTextInstances.push(_this); + var canvas = _this.canvas; + if (canvas) { + if (!canvas._hasITextHandlers) { + canvas._hasITextHandlers = true; + _this._initCanvasHandlers(canvas); + } + canvas._iTextInstances = canvas._iTextInstances || []; + canvas._iTextInstances.push(_this); } }); }, @@ -23172,35 +23353,46 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag initRemovedHandler: function() { var _this = this; this.on('removed', function() { - // (Might be removed from a collection, but not on a canvas.) - if (_this.canvas) { - _this.canvas._iTextInstances = _this.canvas._iTextInstances || []; - fabric.util.removeFromArray(_this.canvas._iTextInstances, _this); + var canvas = _this.canvas; + if (canvas) { + canvas._iTextInstances = canvas._iTextInstances || []; + fabric.util.removeFromArray(canvas._iTextInstances, _this); + if (canvas._iTextInstances.length === 0) { + canvas._hasITextHandlers = false; + _this._removeCanvasHandlers(canvas); + } } }); }, /** + * register canvas event to manage exiting on other instances * @private */ - _initCanvasHandlers: function() { - var _this = this; - - this.canvas.on('selection:cleared', function() { - fabric.IText.prototype.exitEditingOnOthers(_this.canvas); - }); - - this.canvas.on('mouse:up', function() { - if (_this.canvas._iTextInstances) { - _this.canvas._iTextInstances.forEach(function(obj) { + _initCanvasHandlers: function(canvas) { + canvas._canvasITextSelectionClearedHanlder = (function() { + fabric.IText.prototype.exitEditingOnOthers(canvas); + }).bind(this); + canvas._mouseUpITextHandler = (function() { + if (canvas._iTextInstances) { + canvas._iTextInstances.forEach(function(obj) { obj.__isMousedown = false; }); } - }); + }).bind(this); + canvas.on('selection:cleared', canvas._canvasITextSelectionClearedHanlder); + canvas.on('object:selected', canvas._canvasITextSelectionClearedHanlder); + canvas.on('mouse:up', canvas._mouseUpITextHandler); + }, - this.canvas.on('object:selected', function() { - fabric.IText.prototype.exitEditingOnOthers(_this.canvas); - }); + /** + * remove canvas event to manage exiting on other instances + * @private + */ + _removeCanvasHandlers: function(canvas) { + canvas.off('selection:cleared', canvas._canvasITextSelectionClearedHanlder); + canvas.off('object:selected', canvas._canvasITextSelectionClearedHanlder); + canvas.off('mouse:up', canvas._mouseUpITextHandler); }, /** @@ -23487,8 +23679,8 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag return this; } this.canvas.fire('text:editing:entered', { target: this }); - this.canvas.renderAll(); this.initMouseMoveHandler(); + this.canvas.renderAll(); return this; }, @@ -23507,7 +23699,7 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag * Initializes "mousemove" event handler */ initMouseMoveHandler: function() { - this.canvas.on('mouse:move', this.mouseMoveHandler.bind(this)); + this.canvas.on('mouse:move', this.mouseMoveHandler); }, /** diff --git a/dist/fabric.min.js b/dist/fabric.min.js index 8ed014f07ba..ae1a1e80ea9 100644 --- a/dist/fabric.min.js +++ b/dist/fabric.min.js @@ -1,8 +1,8 @@ -var fabric=fabric||{version:"1.6.5"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(""),fabric.document.createWindow?fabric.window=fabric.document.createWindow():fabric.window=fabric.document.parentWindow),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.charWidthsCache={},fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function 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o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;c0&&(a.status="Intersection"),a},i.Intersection.intersectPolygonPolygon=function(t,i){for(var r=new e,n=t.length,s=0;s0&&(r.status="Intersection"),r},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e1?1:s,n){var 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e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:e,color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform}},toSVG:function(t){var e,i,r=fabric.util.object.clone(this.coords);if(this.colorStops.sort(function(t,e){return t.offset-e.offset}),!t.group||"path-group"!==t.group.type)for(var n in r)"x1"===n||"x2"===n||"r2"===n?r[n]+=this.offsetX-t.width/2:"y1"!==n&&"y2"!==n||(r[n]+=this.offsetY-t.height/2);i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["\n']:"radial"===this.type&&(e=["\n']);for(var s=0;s\n');return e.push("linear"===this.type?"\n":"\n"),e.join("")},toLive:function(t,e){var i,r,n=fabric.util.object.clone(this.coords);if(this.type){if(e.group&&"path-group"===e.group.type)for(r in n)"x1"===r||"x2"===r?n[r]+=-this.offsetX+e.width/2:"y1"!==r&&"y2"!==r||(n[r]+=-this.offsetY+e.height/2);"linear"===this.type?i=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(i=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2));for(var s=0,o=this.colorStops.length;s\n\n\n'},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.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};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(t,e){e||(e={}),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:[1,0,0,1,0,0],backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,_initStatic:function(t,e){var i=fabric.StaticCanvas.prototype.renderAll.bind(this);this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),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(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){if(e&&e.source){var r=this;fabric.util.loadImage(e.source,function(n){r[t]=new fabric.Pattern({source:n,repeat:e.repeat,offsetX:e.offsetX,offsetY:e.offsetY}),i&&i()})}else this[t]=e,i&&i();return this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw n;if("undefined"==typeof e.getContext)throw n;return e},_initOptions:function(t){for(var e in t)this[e]=t[e];this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(t),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.renderAll(),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 Math.sqrt(this.viewportTransform[0]*this.viewportTransform[3])},setViewportTransform:function(t){var e,i=this._activeGroup;this.viewportTransform=t;for(var r=0,n=this._objects.length;r"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"\n")},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r\n"):this[e]&&"overlayColor"===e&&t.push('\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderAll&&this.renderAll()},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=0;e=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup;if(t===h)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s!==this._objects.length-1&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n));else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var n=e+1;n"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop;t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur,t.shadowOffsetX=this.shadow.offsetX,t.shadowOffsetY=this.shadow.offsetY}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var n=1,s=this._points.length;n0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&ci.padding?t.x<0?t.x+=i.padding:t.x-=i.padding:t.x=0,n(t.y)>i.padding?t.y<0?t.y+=i.padding:t.y-=i.padding:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta);return a<0&&(a=360+a),n.target.angle=a%360,!0},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.setAngle(0)},_drawSelection:function(t){var e=this._groupSelector,i=e.left,r=e.top,a=n(i),h=n(r);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this.getActiveGroup(),o=this.getActiveObject();if(s&&!e&&this._checkTarget(n,s))return this._fireOverOutEvents(s,t),s;if(o&&o._findTargetCorner(n))return this._fireOverOutEvents(o,t),o;if(o&&this._checkTarget(n,o)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(o,t),o;i=o}this.targets=[];var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){t?this._hoveredTarget!==t&&(this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget,e:e}),this._hoveredTarget.fire("mouseout")),this.fire("mouse:over",{target:t,e:e}),t.fire("mouseover"),this._hoveredTarget=t):this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget,e:e}),this._hoveredTarget.fire("mouseout"),this._hoveredTarget=null)},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(t){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){return this._setActiveObject(t),this.renderAll(),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this},getActiveObject:function(){return this._activeObject},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this.callSuper("_onObjectRemoved",t)},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(t){var e=this._activeObject;return this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(),this.fire("selection:cleared",{e:t}),e&&e.fire("deselected",{e:t}),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){var e=this.getActiveGroup();return this.fire("before:selection:cleared",{e:t,target:e}),this._discardActiveGroup(),this.fire("selection:cleared",{e:t}),this},deactivateAll:function(){for(var t=this.getObjects(),e=0,i=t.length;e1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this.fire("mouse:wheel",{e:t})},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.renderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return!t[this.uniScaleKey]&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally")):(e.currentAction="scale",this._scaleObject(i,r))},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor;if(e.selectable){var r=this.getActiveGroup(),n=e._findTargetCorner&&(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this._setCornerCursor(n,e,t):this.setCursor(i)}else this.setCursor(i);return!0},_setCornerCursor:function(e,i,r){if(e in t)this.setCursor(this._getRotatedCornerCursor(e,i,r));else{if("mtr"!==e||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(e,i,r){var n=Math.round(i.getAngle()%360/45);return n<0&&(n+=8),n+=t[e],r[this.altActionKey]&&t[e]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t[this.selectionKey]&&e&&e.selectable&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){var i=this.getActiveGroup();(e!==i||(e=this.findTarget(t,!0)))&&(i?this._updateActiveGroup(e,t):this._createActiveGroup(e,t),this._activeGroup&&this._activeGroup.saveCoords())},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0))}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)1&&(e=new fabric.Group(e.reverse(),{canvas:this}),e.addWithUpdate(),this.setActiveGroup(e,t),e.saveCoords(),this.fire("selection:created",{target:e}),this.renderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(i.set("active",!0),r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.getWidth(),s=this.getHeight(),o=(i.width||this.getWidth())*r,a=(i.width||this.getHeight())*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive;this.viewportTransform=d,this.interactive&&(this.interactive=!1),n!==o||s!==a?this.setDimensions({width:o,height:a}):this.renderAll();var p=this.__toDataURL(t,e,i);return g&&(this.interactive=g),this.viewportTransform=l,this.setDimensions({width:n,height:s}),p},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t);this.clear();var n=this;return this._enlivenObjects(r.objects,function(){n._setBgOverlay(r,function(){delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay;for(var t in r)n[t]=r[t];e&&e()})},i),this}},_setBgOverlay:function(t,e){var i=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var n=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(i.renderAll(),e&&e())};this.__setBgOverlay("backgroundImage",t.backgroundImage,r,n),this.__setBgOverlay("overlayImage",t.overlayImage,r,n),this.__setBgOverlay("backgroundColor",t.background,r,n),this.__setBgOverlay("overlayColor",t.overlay,r,n),n()},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.Image.fromObject(e,function(e){n[t]=e,i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):void(i[t]=!0)},_enlivenObjects:function(t,e,i){var r=this;if(!t||0===t.length)return void(e&&e());var n=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(t,function(t){t.forEach(function(t,e){r.insertAt(t,e)}),r.renderOnAddRemove=n,e&&e()},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.toFixed,n=e.util.string.capitalize,s=e.util.degreesToRadians,o=e.StaticCanvas.supports("setLineDash");e.Object||(e.Object=e.util.createClass({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,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",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,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY".split(" "),initialize:function(t){t&&this.setOptions(t)},_initGradient:function(t){!t.fill||!t.fill.colorStops||t.fill instanceof e.Gradient||this.set("fill",new e.Gradient(t.fill)),!t.stroke||!t.stroke.colorStops||t.stroke instanceof e.Gradient||this.set("stroke",new e.Gradient(t.stroke))},_initPattern:function(t){!t.fill||!t.fill.source||t.fill instanceof e.Pattern||this.set("fill",new e.Pattern(t.fill)),!t.stroke||!t.stroke.source||t.stroke instanceof e.Pattern||this.set("stroke",new e.Pattern(t.stroke))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var i=e.util.getFunctionBody(t.clipTo);"undefined"!=typeof i&&(this.clipTo=new Function("ctx",i))}},setOptions:function(t){for(var e in t)this.set(e,t[e]);this._initGradient(t),this._initPattern(t),this._initClipping(t)},transform:function(t,e){this.group&&!this.group._transformDone&&this.group===this.canvas._activeGroup&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),t.rotate(s(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),t.transform(1,0,Math.tan(s(this.skewX)),1,0,0),t.transform(1,Math.tan(s(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,n={type:this.type,originX:this.originX,originY:this.originY,left:r(this.left,i),top:r(this.top,i),width:r(this.width,i),height:r(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,i),scaleX:r(this.scaleX,i),scaleY:r(this.scaleY,i),angle:r(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():this.transformMatrix,skewX:r(this.skewX,i),skewY:r(this.skewY,i)};return this.includeDefaultValues||(n=this._removeDefaultValues(n)),e.util.populateWithProperties(this,n,t),n},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#"},get:function(t){return this[t]},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow||(i=new e.Shadow(i)),this[t]=i,"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},setSourcePath:function(t){return this.sourcePath=t,this},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:[1,0,0,1,0,0]},render:function(t,i){0===this.width&&0===this.height||!this.visible||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),i||this.transform(t),this._setOpacity(t),this._setShadow(t),this._renderBackground(t),this._setStrokeStyles(t),this._setFillStyles(t),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this._render(t,i),this.clipTo&&t.restore(),t.restore())},_renderBackground:function(t){this.backgroundColor&&(t.fillStyle=this.backgroundColor,t.fillRect(-this.width/2,-this.height/2,this.width,this.height),this._removeShadow(t))},_setOpacity:function(t){this.group&&this.group._setOpacity(t),t.globalAlpha*=this.opacity},_setStrokeStyles:function(t){this.stroke&&(t.lineWidth=this.strokeWidth,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,t.strokeStyle=this.stroke.toLive?this.stroke.toLive(t,this):this.stroke)},_setFillStyles:function(t){this.fill&&(t.fillStyle=this.fill.toLive?this.fill.toLive(t,this):this.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),o?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){if(!(!this.active||i||this.group&&this.group!==this.canvas.getActiveGroup())){var r,n=this.getViewportTransform(),o=this.calcTransformMatrix();o=e.util.multiplyTransformMatrices(n,o),r=e.util.qrDecompose(o),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.group&&this.group===this.canvas.getActiveGroup()?(t.rotate(s(r.angle)),this.drawBordersInGroup(t,r)):(t.rotate(s(this.angle)),this.drawBorders(t)),this.drawControls(t),t.restore()}},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_renderFill:function(t){if(this.fill){if(t.save(),this.fill.gradientTransform){var e=this.fill.gradientTransform;t.transform.apply(t,e)}this.fill.toLive&&t.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore()}},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this.stroke.gradientTransform){var e=this.stroke.gradientTransform;t.transform.apply(t,e)}this.stroke.toLive&&t.translate(-this.width/2+this.stroke.offsetX||0,-this.height/2+this.stroke.offsetY||0),t.stroke(),t.restore()}},clone:function(t,i){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(i),t):new e.Object(this.toObject(i))},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.getWidth()/2,n.getHeight()/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 0},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),i.gradientTransform&&(r.gradientTransform=i.gradientTransform);for(var n in i.colorStops){var s=new e.Color(i.colorStops[n]);r.colorStops.push({offset:n,color:s.toRgb(),opacity:s.getAlpha()})}return this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},remove:function(){return this.canvas&&this.canvas.remove(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,e.util.degreesToRadians(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(e,i){var r=t(this.oCoords),n=fabric.Intersection.intersectPolygonRectangle(r,e,i);return"Intersection"===n.status},intersectsWithObject:function(e){var i=fabric.Intersection.intersectPolygonPolygon(t(this.oCoords),t(e.oCoords));return"Intersection"===i.status||e.isContainedWithinObject(this)||this.isContainedWithinObject(e)},isContainedWithinObject:function(e){for(var i=t(this.oCoords),r=0;r<4;r++)if(!e.containsPoint(i[r]))return!1;return!0},isContainedWithinRect:function(t,e){var i=this.getBoundingRect();return i.left>=t.x&&i.left+i.width<=e.x&&i.top>=t.y&&i.top+i.height<=e.y},containsPoint:function(t){this.oCoords||this.setCoords();var e=this._getImageLines(this.oCoords),i=this._findCrossPoints(t,e);return 0!==i&&i%2===1},_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,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){return this.oCoords||this.setCoords(),fabric.util.makeBoundingBoxFromPoints([this.oCoords.tl,this.oCoords.tr,this.oCoords.br,this.oCoords.bl])},getWidth:function(){return this._getTransformedDimensions().x},getHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)0?Math.atan(s/n):0,c=n/Math.cos(h)/2,l=Math.cos(h+t)*c,u=Math.sin(h+t)*c,f=fabric.util.transformPoint(this.getCenterPoint(),i),d=new fabric.Point(f.x-l,f.y-u),g=new fabric.Point(d.x+n*a,d.y+n*o),p=new fabric.Point(d.x-s*o,d.y+s*a),v=new fabric.Point(f.x+l,f.y+u),b=new fabric.Point((d.x+p.x)/2,(d.y+p.y)/2),m=new fabric.Point((g.x+d.x)/2,(g.y+d.y)/2),y=new fabric.Point((v.x+g.x)/2,(v.y+g.y)/2),_=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point(m.x+o*this.rotatingPointOffset,m.y-a*this.rotatingPointOffset);return this.oCoords={tl:d,tr:g,br:v,bl:p,ml:b,mt:m,mr:y,mb:_,mtr:x},this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return[i,r,-r,i,0,0]}return[1,0,0,1,0,0]},calcTransformMatrix:function(){var t=this.getCenterPoint(),e=[1,0,0,1,t.x,t.y],r=this._calcRotateMatrix(),n=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0),s=this.group?this.group.calcTransformMatrix():[1,0,0,1,0,0]; -return s=i(s,e),s=i(s,r),s=i(s,n)},_calcDimensionsTransformMatrix:function(t,r,n){var s=[1,0,Math.tan(e(t)),1],o=[1,Math.tan(e(r)),0,1],a=this.scaleX*(n&&this.flipX?-1:1),h=this.scaleY*(n&&this.flipY?-1:1),c=[a,0,0,h],l=i(c,s,!0);return i(l,o,!0)}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new fabric.Color(e),r=t+": "+i.toRgb()+"; ",n=i.getAlpha();return 1!==n&&(r+=t+"-opacity: "+n.toString()+"; "),r}return t+": none; "}fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule,r=this.strokeWidth?this.strokeWidth:"0",n=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",a=this.strokeMiterLimit?this.strokeMiterLimit:"4",h="undefined"!=typeof this.opacity?this.opacity:"1",c=this.visible?"":" visibility: hidden;",l=e?"":this.getSvgFilter(),u=t("fill",this.fill),f=t("stroke",this.stroke);return[f,"stroke-width: ",r,"; ","stroke-dasharray: ",n,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",a,"; ",u,"fill-rule: ",i,"; ","opacity: ",h,";",l,c].join("")},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgId:function(){return this.id?'id="'+this.id+'" ':""},getSvgTransform:function(){if(this.group&&"path-group"===this.group.type)return"";var t=fabric.util.toFixed,e=this.getAngle(),i=this.getSkewX()%360,r=this.getSkewY()%360,n=this.getCenterPoint(),s=fabric.Object.NUM_FRACTION_DIGITS,o="path-group"===this.type?"":"translate("+t(n.x,s)+" "+t(n.y,s)+")",a=0!==e?" rotate("+t(e,s)+")":"",h=1===this.scaleX&&1===this.scaleY?"":" scale("+t(this.scaleX,s)+" "+t(this.scaleY,s)+")",c=0!==i?" skewX("+t(i,s)+")":"",l=0!==r?" skewY("+t(r,s)+")":"",u="path-group"===this.type?this.width:0,f=this.flipX?" matrix(-1 0 0 1 "+u+" 0) ":"",d="path-group"===this.type?this.height:0,g=this.flipY?" matrix(1 0 0 -1 0 "+d+")":"";return[o,a,h,f,g,c,l].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i){if(t instanceof Array){if(t.length!==i.length)return!1;var r=i.concat().sort(),n=t.concat().sort();return!n.some(function(t,i){return!e(r[i],t)})}if(t instanceof Object){for(var s in t)if(!e(t[s],i[s]))return!1;return!0}return t===i}var i=fabric.util.object.extend;fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return!e(this.originalState,this)},saveState:function(e){return t(this,"originalState",this.stateProperties),e&&e.stateProperties&&t(this,"originalState",e.stateProperties),this},setupState:function(t){return this.originalState={},this.saveState(t),this}})}(),function(){var t=fabric.util.degreesToRadians,e=function(){return"undefined"!=typeof G_vmlCanvasManager};fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||!this.active)return!1;var e,i,r=t.x,n=t.y;this.__corner=0;for(var s in this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),e=this._findCrossPoints({x:r,y:n},i),0!==e&&e%2===1))return this.__corner=s,s;return!1},_setCornerCoords:function(){var e,i,r=this.oCoords,n=t(45-this.angle),s=.707106*this.cornerSize,o=s*Math.cos(n),a=s*Math.sin(n);for(var h in r)e=r[h].x,i=r[h].y,r[h].corner={tl:{x:e-a,y:i-o},tr:{x:e+o,y:i-a},bl:{x:e-o,y:i+a},br:{x:e+a,y:i+o}}},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width,i=this.height,r=!0,n=!0;return"line"===this.type&&"butt"===this.strokeLineCap&&(n=e,r=i),n&&(i+=i<0?-t:t),r&&(e+=e<0?-t:t),{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i\n'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e){var n=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),s=[n.x1||0,n.y1||0,n.x2||0,n.y2||0];return new i.Line(s,r(n,e))},void(i.Line.fromObject=function(t,e){var r=[t.x1,t.y1,t.x2,t.y2],n=new i.Line(r,t);return e&&e(n),n}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;return i.Circle?void i.warn("fabric.Circle is already defined."):(i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("radius",t.radius||0),this.startAngle=t.startAngle||this.startAngle,this.endAngle=t.endAngle||this.endAngle},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return n(this.callSuper("toObject",t),{radius:this.get("radius"),startAngle:this.startAngle,endAngle:this.endAngle})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)this.group&&"path-group"===this.group.type&&(i=this.left+this.radius,n=this.top+this.radius),e.push("\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('\n')}return t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.arc(e?this.left+this.radius:0,e?this.top+this.radius:0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(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)},complexity:function(){return 1}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r){r||(r={});var s=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(s))throw new Error("value of `r` attribute is required and can not be negative");s.left=s.left||0,s.top=s.top||0;var o=new i.Circle(n(s,r));return o.left-=o.radius,o.top-=o.radius,o},void(i.Circle.fromObject=function(t,e){var r=new i.Circle(t);return e&&e(r),r}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("width",t.width||100).set("height",t.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._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),void(e.Triangle.fromObject=function(t,i){var r=new e.Triangle(t);return i&&i(r),r}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;return e.Ellipse?void e.warn("fabric.Ellipse is already defined."):(e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("rx",t.rx||0),this.set("ry",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 r(this.callSuper("toObject",t),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return this.group&&"path-group"===this.group.type&&(i=this.left+this.rx,r=this.top+this.ry),e.push("\n'),t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(e?this.left+this.rx:0,e?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)},complexity:function(){return 1}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){i||(i={});var n=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);n.left=n.left||0,n.top=n.top||0;var s=new e.Ellipse(r(n,i));return s.top-=s.ry,s.left-=s.rx,s},void(e.Ellipse.fromObject=function(t,i){var r=new e.Ellipse(t);return i&&i(r),r}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry","x","y"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,strokeDashArray:null,initialize:function(t){t=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,e){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var i=this.rx?Math.min(this.rx,this.width/2):0,r=this.ry?Math.min(this.ry,this.height/2):0,n=this.width,s=this.height,o=e?this.left:-this.width/2,a=e?this.top:-this.height/2,h=0!==i||0!==r,c=.4477152502;t.beginPath(),t.moveTo(o+i,a),t.lineTo(o+n-i,a),h&&t.bezierCurveTo(o+n-c*i,a,o+n,a+c*r,o+n,a+r),t.lineTo(o+n,a+s-r),h&&t.bezierCurveTo(o+n,a+s-c*r,o+n-c*i,a+s,o+n-i,a+s),t.lineTo(o+i,a+s),h&&t.bezierCurveTo(o+c*i,a+s,o,a+s-c*r,o,a+s-r),t.lineTo(o,a+r),h&&t.bezierCurveTo(o,a+c*r,o+c*i,a,o+i,a),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){var e=i(this.callSuper("toObject",t),{rx:this.get("rx")||0,ry:this.get("ry")||0});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.left,r=this.top;return this.group&&"path-group"===this.group.type||(i=-this.width/2,r=-this.height/2),e.push("\n'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r){if(!t)return null;r=r||{};var n=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);n.left=n.left||0,n.top=n.top||0;var s=new e.Rect(i(r?e.util.object.clone(r):{},n));return s.visible=s.visible&&s.width>0&&s.height>0,s},e.Rect.fromObject=function(t,i){var r=new e.Rect(t);return i&&i(r),r}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Polyline?void e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,initialize:function(t,i){return e.Polygon.prototype.initialize.call(this,t,i)},_calcDimensions:function(){return e.Polygon.prototype._calcDimensions.call(this)},toObject:function(t){return e.Polygon.prototype.toObject.call(this,t)},toSVG:function(t){return e.Polygon.prototype.toSVG.call(this,t)},_render:function(t,i){e.Polygon.prototype.commonRender.call(this,t,i)&&(this._renderFill(t),this._renderStroke(t))},_renderDashedStroke:function(t){var i,r;t.beginPath();for(var n=0,s=this.points.length;n\n'),t?t(r.join("")):r.join("")},_render:function(t,e){this.commonRender(t,e)&&(this._renderFill(t),(this.stroke||this.strokeDashArray)&&(t.closePath(),this._renderStroke(t)))},commonRender:function(t,e){var i,r=this.points.length;if(!r||isNaN(this.points[r-1].y))return!1;e||t.translate(-this.pathOffset.x,-this.pathOffset.y),t.beginPath(),t.moveTo(this.points[0].x,this.points[0].y);for(var n=0;n"},toObject:function(t){var e=n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),pathOffset:this.pathOffset});return this.sourcePath&&(e.sourcePath=this.sourcePath),this.transformMatrix&&(e.transformMatrix=this.transformMatrix),e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;lp)for(var b=1,m=n.length;b\n");for(var s=0,o=e.length;s\n"),t?t(n.join("")):n.join("")},toString:function(){return"#"},isSameColor:function(){var t=this.getObjects()[0].get("fill")||"";return"string"==typeof t&&(t=t.toLowerCase(),this.getObjects().every(function(e){var i=e.get("fill")||"";return"string"==typeof i&&i.toLowerCase()===t}))},complexity:function(){return this.paths.reduce(function(t,e){return t+(e&&e.complexity?e.complexity():0)},0)},getObjects:function(){return this.paths}}),e.PathGroup.fromObject=function(t,i){"string"==typeof t.paths?e.loadSVGFromURL(t.paths,function(r){var n=t.paths;delete t.paths;var s=e.util.groupSVGElements(r,t,n);i(s)}):e.util.enlivenObjects(t.paths,function(r){delete t.paths,i(new e.PathGroup(r,t))})},void(e.PathGroup.async=!0))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.array.invoke;if(!e.Group){var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;this.originalState={},e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),i?this._updateObjectsCoords(!0):(this._calcBounds(),this._updateObjectsCoords(),this.callSuper("initialize",e)),this.setCoords(),this.saveCoords()},_updateObjectsCoords:function(t){for(var e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){if(t.__origHasControls=t.hasControls,t.hasControls=!1,!e){var i=t.getLeft(),r=t.getTop(),n=this.getCenterPoint();t.set({originalLeft:i,originalTop:r,left:i-n.x,top:r-n.y}),t.setCoords()}},toString:function(){return"#"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(t){t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,stroke:!0,strokeWidth:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){var i=this._objects.length;if(this.delegatedProperties[t]||"canvas"===t)for(;i--;)this._objects[i].set(t,e);else for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){return i(this.callSuper("toObject",t),{objects:s(this._objects,"toObject",t)})},render:function(t){if(this.visible){t.save(),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.transform(t),this._setShadow(t),this.clipTo&&e.util.clipContext(this,t),this._transformDone=!0;for(var i=0,r=this._objects.length;i\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in o){if(this[t])return this[t];for(var e=0,i=this._objects.length;e\n',"\n"),this.stroke||this.strokeDashArray){var o=this.fill;this.fill=null,e.push("\n'),this.fill=o}return e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){fabric.util.loadImage(t,function(t){return this.setElement(t,e,i)},this,i&&i.crossOrigin)},toString:function(){return'#'},applyFilters:function(t,e,i,r){if(e=e||this.filters,i=i||this._originalElement){var n,s,o=fabric.util.createImage(),a=this.canvas?this.canvas.getRetinaScaling():fabric.devicePixelRatio,h=this.minimumScaleTrigger/a,c=this;if(0===e.length)return this._element=i,t&&t(this),i;var l=fabric.util.createCanvasElement();return l.width=i.width,l.height=i.height,l.getContext("2d").drawImage(i,0,0,i.width,i.height),e.forEach(function(t){t&&(r?(n=c.scaleX0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.setAngle(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Brightness=n(r.BaseFilter,{type:"Brightness",initialize:function(t){t=t||{},this.brightness=t.brightness||0},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),r=i.data,n=this.brightness,s=0,o=r.length;sb||o<0||o>v||(h=4*(a*v+o),c=l[C*d+w],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,n+=p[h+3]*c);y[s]=e,y[s+1]=i,y[s+2]=r,y[s+3]=n+_*(255-n)}u.putImageData(m,0,0)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=function(t){return new e.Image.filters.Convolute(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.GradientTransparency=n(r.BaseFilter,{type:"GradientTransparency",initialize:function(t){t=t||{},this.threshold=t.threshold||100},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),r=i.data,n=this.threshold,s=r.length,o=0,a=r.length;o-1?t.channel:0},applyTo:function(t){if(this.mask){var i,r=t.getContext("2d"),n=r.getImageData(0,0,t.width,t.height),s=n.data,o=this.mask.getElement(),a=e.util.createCanvasElement(),h=this.channel,c=n.width*n.height*4;a.width=t.width,a.height=t.height,a.getContext("2d").drawImage(o,0,0,t.width,t.height);var l=a.getContext("2d").getImageData(0,0,t.width,t.height),u=l.data;for(i=0;ic&&i>c&&r>c&&l(e-i)i&&(l=2,f=-1),a>n&&(u=2,d=-1),h=c.getImageData(0,0,i,n),t.width=o(s,i),t.height=o(a,n),c.putImageData(h,0,0);!g||!p;)i=v,n=b,s*ft)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return h(e)*h(i)/e/i}}function f(t){var h,c,u,d,g,j,A,M,P,D,E;for(T.x=(t+.5)*y,k.x=r(T.x),h=0;h=e)){D=r(1e3*s(c-T.x)),O[D]||(O[D]={});for(var L=k.y-w;L<=k.y+w;L++)L<0||L>=o||(E=r(1e3*s(L-T.y)),O[D][E]||(O[D][E]=m(n(i(D*x,2)+i(E*S,2))/1e3)),u=O[D][E],u>0&&(d=4*(L*e+c),g+=u,j+=u*v[d],A+=u*v[d+1],M+=u*v[d+2],P+=u*v[d+3]))}d=4*(h*a+t),b[d]=j/g,b[d+1]=A/g,b[d+2]=M/g,b[d+3]=P/g}return++t1&&I<-1||(x=2*I*I*I-3*I*I+1,x>0&&(L=4*(E+A*e),k+=x*p[L+3],C+=x,p[L+3]<255&&(x=x*p[L+3]/250),w+=x*p[L],O+=x*p[L+1],T+=x*p[L+2],S+=x))}b[_]=w/S,b[_+1]=O/S,b[_+2]=T/S,b[_+3]=k/C}return v},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=function(t){return new e.Image.filters.Resize(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.ColorMatrix=n(r.BaseFilter,{type:"ColorMatrix",initialize:function(t){t||(t={}),this.matrix=t.matrix||[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0]},applyTo:function(t){var e,i,r,n,s,o=t.getContext("2d"),a=o.getImageData(0,0,t.width,t.height),h=a.data,c=h.length,l=this.matrix;for(e=0;e'},_render:function(t){this.clipTo&&e.util.clipContext(this,t),this._setOpacity(t),this._setShadow(t),this._setupCompositeOperation(t),this._renderTextBackground(t),this._setStrokeStyles(t),this._setFillStyles(t),this._renderText(t),this._renderTextDecoration(t),this.clipTo&&t.restore()},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t){t.textBaseline="alphabetic",t.font=this._getFontDeclaration()},_getTextHeight:function(){return this._getHeightOfSingleLine()+(this._textLines.length-1)*this._getHeightOfLine()},_getTextWidth:function(t){for(var e=this._getLineWidth(t,0),i=1,r=this._textLines.length;ie&&(e=n)}return e},_getNonTransformedDimensions:function(){return{x:this.width,y:this.height}},_renderChars:function(t,e,i,r,n){var s,o,a=t.slice(0,-4);if(this[a].toLive){var h=-this.width/2+this[a].offsetX||0,c=-this.height/2+this[a].offsetY||0;e.save(),e.translate(h,c),r-=h,n-=c}if(0!==this.charSpacing){var l=this._getWidthOfCharSpacing();i=i.split("");for(var u=0,f=i.length;u0?o:0}else e[t](i,r,n);this[a].toLive&&e.restore()},_renderTextLine:function(t,e,i,r,n,s){n-=this.fontSize*this._fontSizeFraction;var o=this._getLineWidth(e,s);if("justify"!==this.textAlign||this.width0?u/f:0,g=0,p=0,v=h.length;p0?n:0},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},isEmptyStyles:function(){return!0},_renderTextCommon:function(t,e){for(var i=0,r=this._getLeftOffset(),n=this._getTopOffset(),s=0,o=this._textLines.length;s0&&(r=this._getLineLeftOffset(i),t.fillRect(this._getLeftOffset()+r,this._getTopOffset()+n,i,e/this.lineHeight)),n+=e;this._removeShadow(t)}},_getLineLeftOffset:function(t){return"center"===this.textAlign?(this.width-t)/2:"right"===this.textAlign?this.width-t:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[]},_shouldClearCache:function(){var t=!1;if(this._forceClearCache)return this._forceClearCache=!1,!0;for(var e in this._dimensionAffectingProps)this["__"+e]!==this[e]&&(this["__"+e]=this[e],t=!0);return t},_getLineWidth:function(t,e){if(this.__lineWidths[e])return this.__lineWidths[e]===-1?this.width:this.__lineWidths[e];var i,r,n=this._textLines[e];return i=""===n?0:this._measureLine(t,e),this.__lineWidths[e]=i,i&&"justify"===this.textAlign&&(r=n.split(/\s+/),r.length>1&&(this.__lineWidths[e]=-1)),i},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},_measureLine:function(t,e){var i,r,n=this._textLines[e],s=t.measureText(n).width,o=0;return 0!==this.charSpacing&&(i=n.split("").length,o=(i-1)*this._getWidthOfCharSpacing()),r=s+o,r>0?r:0},_renderTextDecoration:function(t){function e(e){var n,s,o,a,h,c,l,u=0;for(n=0,s=r._textLines.length;n-1&&n.push(.85),this.textDecoration.indexOf("line-through")>-1&&n.push(.43),this.textDecoration.indexOf("overline")>-1&&n.push(-.12),n.length>0&&e(n)}},_getFontDeclaration:function(){return[e.isLikelyNode?this.fontWeight:this.fontStyle,e.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",e.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(t,e){this.visible&&(t.save(),this._setTextStyles(t),this._shouldClearCache()&&this._initDimensions(t),this.drawSelectionBackground(t),e||this.transform(t),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.group&&"path-group"===this.group.type&&t.translate(this.left,this.top),this._render(t),t.restore())},_splitTextIntoLines:function(){return this.text.split(this._reNewline)},toObject:function(t){var e=i(this.callSuper("toObject",t),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,textBackgroundColor:this.textBackgroundColor,charSpacing:this.charSpacing});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){this.ctx||(this.ctx=e.util.createCanvasElement().getContext("2d"));var i=this._createBaseSVGMarkup(),r=this._getSVGLeftTopOffsets(this.ctx),n=this._getSVGTextAndBg(r.textTop,r.textLeft);return this._wrapSVGTextAndBg(i,n),t?t(i.join("")):i.join("")},_getSVGLeftTopOffsets:function(t){var e=this._getHeightOfLine(t,0),i=-this.width/2,r=0;return{textLeft:i+(this.group&&"path-group"===this.group.type?this.left:0),textTop:r+(this.group&&"path-group"===this.group.type?-this.top:0),lineTop:e}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t\n",e.textBgRects.join(""),"\t\t\n',e.textSpans.join(""),"\t\t\n","\t\n")},_getSVGTextAndBg:function(t,e){var i=[],r=[],n=0;this._setSVGBg(r);for(var s=0,o=this._textLines.length;s",e.util.string.escapeXml(this._textLines[t]),"\n")},_setSVGTextLineJustifed:function(t,i,r,o){var a=e.util.createCanvasElement().getContext("2d");this._setTextStyles(a);var h,c,l=this._textLines[t],u=l.split(/\s+/),f=this._getWidthOfWords(a,u.join("")),d=this.width-f,g=u.length-1,p=g>0?d/g:0,v=this._getFillAttributes(this.fill);for(o+=this._getLineLeftOffset(this._getLineWidth(a,t)),t=0,c=u.length;t",e.util.string.escapeXml(h),"\n"),o+=this._getWidthOfWords(a,h)+p},_setSVGTextLineBg:function(t,e,i,r,o){t.push("\t\t\n')},_setSVGBg:function(t){this.backgroundColor&&t.push("\t\t\n')},_getFillAttributes:function(t){var i=t&&"string"==typeof t?new e.Color(t):"";return i&&i.getSource()&&1!==i.getAlpha()?'opacity="'+i.getAlpha()+'" fill="'+i.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_set:function(t,e){this.callSuper("_set",t,e),t in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,i){if(!t)return null;var r=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);i=e.util.object.extend(i?e.util.object.clone(i):{},r),i.top=i.top||0,i.left=i.left||0,"dx"in r&&(i.left+=r.dx),"dy"in r&&(i.top+=r.dy),"fontSize"in i||(i.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),i.originX||(i.originX="left");var n="";"textContent"in t?n=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(n=t.firstChild.data),n=n.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var s=new e.Text(n,i),o=s.getHeight()/s.height,a=(s.height+s.strokeWidth)*s.lineHeight-s.height,h=a*o,c=s.getHeight()+h,l=0;return"left"===s.originX&&(l=s.getWidth()/2),"right"===s.originX&&(l=-s.getWidth()/2),s.set({left:s.getLeft()+l,top:s.getTop()-c/2+s.fontSize*(.18+s._fontSizeFraction)/s.lineHeight}),s},e.Text.fromObject=function(t,i){var n=new e.Text(t.text,r(t));return i&&i(n),n},e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.object.clone;fabric.IText=fabric.util.createClass(fabric.Text,fabric.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:"#333",cursorDelay:1e3,cursorDuration:600,styles:null,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],initialize:function(t,e){this.styles=e?e.styles||{}:{},this.callSuper("initialize",t,e),this.initBehavior()},_clearCache:function(){this.callSuper("_clearCache"),this.__widthOfSpace=[]},isEmptyStyles:function(){if(!this.styles)return!0;var t=this.styles;for(var e in t)for(var i in t[e])for(var r in t[e][i])return!1;return!0},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r0?a:0,lineLeft:r},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex,s=this.getCurrentCharFontSize(r,n),o=0===r&&0===n?this._getLineLeftOffset(this._getLineWidth(e,r)):t.leftOffset,a=this.scaleX*this.canvas.getZoom(),h=this.cursorWidth/a;e.fillStyle=this.getCurrentCharColor(r,n),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+o-h/2,t.top+t.topOffset,h,s)},renderSelection:function(t,e,i){i.fillStyle=this.selectionColor;for(var r=this.get2DCursorLocation(this.selectionStart),n=this.get2DCursorLocation(this.selectionEnd),s=r.lineIndex,o=n.lineIndex,a=s;a<=o;a++){var h=this._getLineLeftOffset(this._getLineWidth(i,a))||0,c=this._getHeightOfLine(this.ctx,a),l=0,u=0,f=this._textLines[a];if(a===s){for(var d=0,g=f.length;d=r.charIndex&&(a!==o||ds&&a1)&&(c/=this.lineHeight),i.fillRect(e.left+h,e.top+e.topOffset,u>0?u:0,c),e.topOffset+=l}},_renderChars:function(t,e,i,r,n,s,o){if(this.isEmptyStyles())return this._renderCharsFast(t,e,i,r,n);o=o||0;var a,h,c=this._getHeightOfLine(e,s),l="";e.save(),n-=c/this.lineHeight*this._fontSizeFraction;for(var u=o,f=i.length+o;u<=f;u++)a=a||this.getCurrentCharStyle(s,u),h=this.getCurrentCharStyle(s,u+1),(this._hasStyleChanged(a,h)||u===f)&&(this._renderChar(t,e,s,u-1,l,r,n,c),l="",a=h),l+=i[u-o];e.restore()},_renderCharsFast:function(t,e,i,r,n){"fillText"===t&&this.fill&&this.callSuper("_renderChars",t,e,i,r,n),"strokeText"===t&&(this.stroke&&this.strokeWidth>0||this.skipFillStrokeCheck)&&this.callSuper("_renderChars",t,e,i,r,n)},_renderChar:function(t,e,i,r,n,s,o,a){var h,c,l,u,f,d,g,p,v,b=this._getStyleDeclaration(i,r);if(b?(c=this._getHeightOfChar(e,n,i,r),u=b.stroke,l=b.fill,d=b.textDecoration):c=this.fontSize,u=(u||this.stroke)&&"strokeText"===t,l=(l||this.fill)&&"fillText"===t,b&&e.save(),h=this._applyCharStylesGetWidth(e,n,i,r,b||null),d=d||this.textDecoration,b&&b.textBackgroundColor&&this._removeShadow(e),0!==this.charSpacing){p=this._getWidthOfCharSpacing(),g=n.split(""),h=0;for(var m,y=0,_=g.length;y<_;y++)m=g[y],l&&e.fillText(m,s+h,o),u&&e.strokeText(m,s+h,o),v=e.measureText(m).width+p,h+=v>0?v:0}else l&&e.fillText(n,s,o),u&&e.strokeText(n,s,o);(d||""!==d)&&(f=this._fontSizeFraction*a/this.lineHeight,this._renderCharDecoration(e,d,s,o,f,h,c)),b&&e.restore(),e.translate(h,0)},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.fontSize!==e.fontSize||t.textBackgroundColor!==e.textBackgroundColor||t.textDecoration!==e.textDecoration||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth},_renderCharDecoration:function(t,e,i,r,n,s,o){if(e){var a,h,c=o/15,l={underline:r+o/10,"line-through":r-o*(this._fontSizeFraction+this._fontSizeMult-1)+c,overline:r-(this._fontSizeMult-this._fontSizeFraction)*o},u=["underline","line-through","overline"];for(a=0;a-1&&t.fillRect(i,l[h],s,c)}},_renderTextLine:function(t,e,i,r,n,s){this.isEmptyStyles()||(n+=this.fontSize*(this._fontSizeFraction+.03)),this.callSuper("_renderTextLine",t,e,i,r,n,s)},_renderTextDecoration:function(t){if(this.isEmptyStyles())return this.callSuper("_renderTextDecoration",t)},_renderTextLinesBackground:function(t){this.callSuper("_renderTextLinesBackground",t);for(var e,i,r,n,s,o,a=0,h=this._getLeftOffset(),c=this._getTopOffset(),l=0,u=this._textLines.length;l0?n:0},_getHeightOfChar:function(t,e,i){var r=this._getStyleDeclaration(e,i);return r&&r.fontSize?r.fontSize:this.fontSize},_getWidthOfCharsAt:function(t,e,i){var r,n,s=0;for(r=0;r0?i:0},_getWidthOfSpace:function(t,e){if(this.__widthOfSpace[e])return this.__widthOfSpace[e];var i=this._textLines[e],r=this._getWidthOfWords(t,i,e,0),n=this.width-r,s=i.length-i.replace(this._reSpacesAndTabs,"").length,o=Math.max(n/s,t.measureText(" ").width);return this.__widthOfSpace[e]=o,o},_getWidthOfWords:function(t,e,i,r){for(var n=0,s=0;sr&&(r=o)}return this.__lineHeights[e]=r*this.lineHeight*this._fontSizeMult,this.__lineHeights[e]},_getTextHeight:function(t){for(var e,i=0,r=0,n=this._textLines.length;r-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this.text.charAt(i)))for(;this._reSpace.test(this.text.charAt(i));)e++,i++;for(;/\S/.test(this.text.charAt(i))&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this.text.charAt(i))&&i0&&ithis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(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},_updateTextarea:function(){if(this.hiddenTextarea&&!this.inCompositionMode&&(this.cursorOffsetCache={},this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart,this.hiddenTextarea.selectionEnd=this.selectionEnd,this.selectionStart===this.selectionEnd)){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top,this.hiddenTextarea.style.fontSize=t.fontSize}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.text.split(""),e=this._getCursorBoundaries(t,"cursor"),i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex,s=this.getCurrentCharFontSize(r,n),o=0===r&&0===n?this._getLineLeftOffset(this._getLineWidth(this.ctx,r)):e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,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;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,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]},_removeCharsFromTo:function(t,e){for(;e!==t;)this._removeSingleCharAndStyle(t+1),e--;this.selectionStart=t,this.selectionEnd=t},_removeSingleCharAndStyle:function(t){var e="\n"===this.text[t-1],i=e?t:t-1;this.removeStyleObject(e,i),this.text=this.text.slice(0,t-1)+this.text.slice(t),this._textLines=this._splitTextIntoLines()},insertChars:function(t,e){var i;if(this.selectionEnd-this.selectionStart>1&&this._removeCharsFromTo(this.selectionStart,this.selectionEnd),!e&&this.isEmptyStyles())return void this.insertChar(t,!1);for(var r=0,n=t.length;r=i&&(s[parseInt(o,10)-i]=this.styles[e][o],delete this.styles[e][o]);this.styles[e+1]=s}this._forceClearCache=!0},insertCharStyleObject:function(e,i,r){var n=this.styles[e],s=t(n);0!==i||r||(i=1);for(var o in s){var a=parseInt(o,10);a>=i&&(n[a+1]=s[a],s[a-1]||delete n[a])}this.styles[e][i]=r||t(n[i-1]),this._forceClearCache=!0},insertStyleObjects:function(t,e,i){var r=this.get2DCursorLocation(),n=r.lineIndex,s=r.charIndex;this._getLineStyle(n)||this._setLineStyle(n,{}),"\n"===t?this.insertNewlineStyleObject(n,s,e):this.insertCharStyleObject(n,s,i)},shiftLineStyles:function(e,i){var r=t(this.styles);for(var n in this.styles){var s=parseInt(n,10);s>e&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},removeStyleObject:function(t,e){var i=this.get2DCursorLocation(e),r=i.lineIndex,n=i.charIndex;this._removeStyleObject(t,i,r,n)},_getTextOnPreviousLine:function(t){return this._textLines[t-1]},_removeStyleObject:function(e,i,r,n){if(e){var s=this._getTextOnPreviousLine(i.lineIndex),o=s?s.length:0;this.styles[r-1]||(this.styles[r-1]={});for(n in this.styles[r])this.styles[r-1][parseInt(n,10)+o]=this.styles[r][n];this.shiftLineStyles(i.lineIndex,-1)}else{var a=this.styles[r];a&&delete a[n];var h=t(a);for(var c in h){var l=parseInt(c,10);l>=n&&0!==l&&(a[l-1]=h[l],delete a[l])}}},insertNewline:function(){this.insertChars("\n")},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e)?(this.fire("tripleclick",t),this._stopEvent(t.e)):this.isDoubleClick(e)&&(this.fire("dblclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y&&this.__lastIsEditing},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.initSelectedHandler(),this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,this.editable&&!this._isObjectMoved(t.e)&&(this.__lastSelected&&!this.__corner&&(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._fireSelectionChanged(),this._updateTextarea()},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=this._textLines.length;hs?0:1,h=r+a;return this.flipX&&(h=n-h),h>this.text.length&&(h=this.text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; opacity: 0; width: 0px; height: 0px; z-index: -999;",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.cut.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:{8:"removeChars",9:"exitEditing",27:"exitEditing",13:"insertNewline",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown",46:"forwardDelete"},_ctrlKeysMapUp:{67:"copy",88:"cut"},_ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this._keysMap)this[this._keysMap[t.keyCode]](t);else{if(!(t.keyCode in this._ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this._ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.renderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone?void(this._copyDone=!1):void(t.keyCode in this._ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this._ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.renderAll()))},onInput:function(t){if(this.isEditing&&!this.inCompositionMode){var e,i,r,n=this.selectionStart||0,s=this.selectionEnd||0,o=this.text.length,a=this.hiddenTextarea.value.length;a>o?(r="left"===this._selectionDirection?s:n,e=a-o,i=this.hiddenTextarea.value.slice(r,r+e)):(e=a-o+s-n,i=this.hiddenTextarea.value.slice(n,n+e)),this.insertChars(i),t.stopPropagation()}},onCompositionStart:function(){this.inCompositionMode=!0,this.prevCompositionLength=0,this.compositionStart=this.selectionStart},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){var e=t.data;this.selectionStart=this.compositionStart,this.selectionEnd=this.selectionEnd===this.selectionStart?this.compositionStart+this.prevCompositionLength:this.selectionEnd,this.insertChars(e,!1),this.prevCompositionLength=e.length},forwardDelete:function(t){if(this.selectionStart===this.selectionEnd){if(this.selectionStart===this.text.length)return;this.moveCursorRight(t)}this.removeChars(t)},copy:function(t){if(this.selectionStart!==this.selectionEnd){var e=this.getSelectedText(),i=this._getClipboardData(t);i&&i.setData("text",e),fabric.copiedText=e,fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd),t.stopImmediatePropagation(),t.preventDefault(),this._copyDone=!0}},paste:function(t){var e=null,i=this._getClipboardData(t),r=!0;i?(e=i.getData("text").replace(/\r/g,""),fabric.copiedTextStyle&&fabric.copiedText===e||(r=!1)):e=fabric.copiedText,e&&this.insertChars(e,r),t.stopImmediatePropagation(),t.preventDefault()},cut:function(t){this.selectionStart!==this.selectionEnd&&(this.copy(t),this.removeChars(t))},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){for(var i,r=this._textLines[t].slice(0,e),n=this._getLineWidth(this.ctx,t),s=this._getLineLeftOffset(n),o=0,a=r.length;oe){i=!0;var f=o-u,d=o,g=Math.abs(f-e),p=Math.abs(d-e);a=p=this.text.length&&this.selectionEnd>=this.text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(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(void 0!==typeof r&&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){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this.text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.IText.prototype,{_setSVGTextLineText:function(t,e,i,r,n,s){this._getLineStyle(t)?this._setSVGTextLineChars(t,e,i,r,s):fabric.Text.prototype._setSVGTextLineText.call(this,t,e,i,r,n)},_setSVGTextLineChars:function(t,e,i,r,n){for(var s=this._textLines[t],o=0,a=this._getLineLeftOffset(this._getLineWidth(this.ctx,t))-this.width/2,h=this._getSVGLineTopOffset(t),c=this._getHeightOfLine(this.ctx,t),l=0,u=s.length;l\n'].join("")},_createTextCharSpan:function(i,r,n,s,o){var a=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text",getSvgFilter:fabric.Object.prototype.getSvgFilter},r));return['\t\t\t',fabric.util.string.escapeXml(i),"\n"].join("")}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone;e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingY:!0,lockScalingFlip:!0,initialize:function(t,i){this.ctx=e.util.createCanvasElement().getContext("2d"),this.callSuper("initialize",t,i),this.setControlsVisibility(e.Textbox.getTextboxControlVisibility()),this._dimensionAffectingProps.width=!0},_initDimensions:function(t){this.__skipDimension||(t||(t=e.util.createCanvasElement().getContext("2d"),this._setTextStyles(t)),this.dynamicMinWidth=0,this._textLines=this._splitTextIntoLines(),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),this._clearCache(),this.height=this._getTextHeight(t))},_generateStyleMap:function(){for(var t=0,e=0,i=0,r={},n=0;n0?(e=0,i++,t++):" "===this.text[i]&&n>0&&(e++,i++),r[n]={line:t,offset:e},i+=this._textLines[n].length,e+=this._textLines[n].length;return r},_getStyleDeclaration:function(t,e,i){if(this._styleMap){var r=this._styleMap[t];if(!r)return i?{}:null;t=r.line,e=r.offset+e}return this.callSuper("_getStyleDeclaration",t,e,i)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=e.split(this._reNewline),n=[];for(i=0;i=this.width&&!d?(n.push(s),s="",r=l,d=!0):r+=g,d||(s+=c),s+=a,u=this._measureText(t,c,i,h),h++,d=!1,l>f&&(f=l);return p&&n.push(s),f>this.dynamicMinWidth&&(this.dynamicMinWidth=f-g),n},_splitTextIntoLines:function(){var t=this.textAlign;this.ctx.save(),this._setTextStyles(this.ctx),this.textAlign="left";var e=this._wrapText(this.ctx,this.text);return this.textAlign=t,this.ctx.restore(),this._textLines=e,this._styleMap=this._generateStyleMap(),e},setOnGroup:function(t,e){"scaleX"===t&&(this.set("scaleX",Math.abs(1/e)),this.set("width",this.get("width")*e/("undefined"==typeof this.__oldScaleX?1:this.__oldScaleX)),this.__oldScaleX=e)},get2DCursorLocation:function(t){"undefined"==typeof t&&(t=this.selectionStart);for(var e=this._textLines.length,i=0,r=0;r=h.getMinWidth()?(h.set("width",c),!0):void 0},fabric.Group.prototype._refreshControlsVisibility=function(){if("undefined"!=typeof fabric.Textbox)for(var t=this._objects.length;t--;)if(this._objects[t]instanceof fabric.Textbox)return void this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility())};var e=fabric.util.object.clone;fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]},insertCharStyleObject:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,fabric.IText.prototype.insertCharStyleObject.apply(this,[t,e,i])},insertNewlineStyleObject:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,fabric.IText.prototype.insertNewlineStyleObject.apply(this,[t,e,i])},shiftLineStyles:function(t,i){var r=e(this.styles),n=this._styleMap[t];t=n.line;for(var s in this.styles){var o=parseInt(s,10);o>t&&(this.styles[o+i]=r[o],r[o-i]||delete this.styles[o])}},_getTextOnPreviousLine:function(t){for(var e=this._textLines[t-1];this._styleMap[t-2]&&this._styleMap[t-2].line===this._styleMap[t-1].line;)e=this._textLines[t-2]+e,t--;return e},removeStyleObject:function(t,e){var i=this.get2DCursorLocation(e),r=this._styleMap[i.lineIndex],n=r.line,s=r.offset+i.charIndex;this._removeStyleObject(t,i,n,s)}})}(),function(){var t=fabric.IText.prototype._getNewSelectionStartFromOffset;fabric.IText.prototype._getNewSelectionStartFromOffset=function(e,i,r,n,s){n=t.call(this,e,i,r,n,s);for(var o=0,a=0,h=0;h=n));h++)"\n"!==this.text[o+a]&&" "!==this.text[o+a]||a++;return n-h+a}}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.style={},n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}(); \ No newline at end of file +var fabric=fabric||{version:"1.6.6"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(""),fabric.document.createWindow?fabric.window=fabric.document.createWindow():fabric.window=fabric.document.parentWindow),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.charWidthsCache={},fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.abs,s=Math.PI/180;fabric.util={removeFromArray:function(t,e){var i=t.indexOf(e);return i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;ir;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(t){return t||(t=fabric.document.createElement("canvas")),t.getContext||"undefined"==typeof G_vmlCanvasManager||G_vmlCanvasManager.initElement(t),t},createImage:function(){return fabric.isLikelyNode?new(require("canvas").Image):fabric.document.createElement("img")},createAccessors:function(t){var e,i,r,n,s,o=t.prototype;for(e=o.stateProperties.length;e--;)i=o.stateProperties[e],r=i.charAt(0).toUpperCase()+i.slice(1),n="set"+r,s="get"+r,o[s]||(o[s]=function(t){return new Function('return this.get("'+t+'")')}(i)),o[n]||(o[n]=function(t){return new Function("value",'return this.set("'+t+'", value)')}(i))},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.setAngle(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n0?I-=2*f:1===c&&I<0&&(I+=2*f);for(var D=Math.ceil(Math.abs(I/f*2)),E=[],L=I/D,R=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),F=P+L,B=0;B=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,b,m,y=Math.sqrt,_=Math.min,x=Math.max,S=Math.abs,C=[],w=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*h,d=3*i-3*t;for(var O=0;O<2;++O)if(O>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*c,d=3*r-3*e),S(u)<1e-12){if(S(f)<1e-12)continue;g=-d/f,0=e})}function i(t,e){return n(t,e,function(t,e){return t>>0;if(0===i)return-1;var r=0;if(arguments.length>0&&(r=Number(arguments[1]),r!==r?r=0:0!==r&&r!==Number.POSITIVE_INFINITY&&r!==Number.NEGATIVE_INFINITY&&(r=(r>0||-1)*Math.floor(Math.abs(r)))),r>=i)return-1;for(var n=r>=0?r:Math.max(i-Math.abs(r),0);n>>0;i>>0;r>>0;i>>0;i>>0;n>>0,r=0;if(arguments.length>1)e=arguments[1];else for(;;){if(r in this){e=this[r++];break}if(++r>=i)throw new 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o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;c0&&(a.status="Intersection"),a},i.Intersection.intersectPolygonPolygon=function(t,i){for(var r=new e,n=t.length,s=0;s0&&(r.status="Intersection"),r},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e1?1:s,n){var o=n.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:s,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:e,color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform}},toSVG:function(t){var e,i,r=fabric.util.object.clone(this.coords);if(this.colorStops.sort(function(t,e){return t.offset-e.offset}),!t.group||"path-group"!==t.group.type)for(var n in r)"x1"===n||"x2"===n||"r2"===n?r[n]+=this.offsetX-t.width/2:"y1"!==n&&"y2"!==n||(r[n]+=this.offsetY-t.height/2);i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["\n']:"radial"===this.type&&(e=["\n']);for(var s=0;s\n');return e.push("linear"===this.type?"\n":"\n"),e.join("")},toLive:function(t,e){var i,r,n=fabric.util.object.clone(this.coords);if(this.type){if(e.group&&"path-group"===e.group.type)for(r in n)"x1"===r||"x2"===r?n[r]+=-this.offsetX+e.width/2:"y1"!==r&&"y2"!==r||(n[r]+=-this.offsetY+e.height/2);"linear"===this.type?i=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(i=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2));for(var s=0,o=this.colorStops.length;s\n\n\n'},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.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};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(t,e){e||(e={}),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:[1,0,0,1,0,0],backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,_initStatic:function(t,e){var i=fabric.StaticCanvas.prototype.renderAll.bind(this);this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),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(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){if(e&&e.source){var r=this;fabric.util.loadImage(e.source,function(n){r[t]=new fabric.Pattern({source:n,repeat:e.repeat,offsetX:e.offsetX,offsetY:e.offsetY}),i&&i()})}else this[t]=e,i&&i();return this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw n;if("undefined"==typeof e.getContext)throw n;return e},_initOptions:function(t){for(var e in t)this[e]=t[e];this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(t),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.renderAll(),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 Math.sqrt(this.viewportTransform[0]*this.viewportTransform[3])},setViewportTransform:function(t){var e,i=this._activeGroup;this.viewportTransform=t;for(var r=0,n=this._objects.length;r"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"\n")},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r\n"):this[e]&&"overlayColor"===e&&t.push('\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderAll&&this.renderAll()},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=0;e=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup;if(t===h)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s!==this._objects.length-1&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n));else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var n=e+1;n"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop;t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur,t.shadowOffsetX=this.shadow.offsetX,t.shadowOffsetY=this.shadow.offsetY}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var n=1,s=this._points.length;n0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&ci.padding?t.x<0?t.x+=i.padding:t.x-=i.padding:t.x=0,n(t.y)>i.padding?t.y<0?t.y+=i.padding:t.y-=i.padding:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta);return a<0&&(a=360+a),n.target.angle=a%360,!0},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.setAngle(0)},_drawSelection:function(t){var e=this._groupSelector,i=e.left,r=e.top,a=n(i),h=n(r);if(this.selectionColor&&(t.fillStyle=this.selectionColor,t.fillRect(e.ex-(i>0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this.getActiveGroup(),o=this.getActiveObject();if(s&&!e&&this._checkTarget(n,s))return this._fireOverOutEvents(s,t),s;if(o&&o._findTargetCorner(n))return this._fireOverOutEvents(o,t),o;if(o&&this._checkTarget(n,o)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(o,t),o;i=o}this.targets=[];var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){t?this._hoveredTarget!==t&&(this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget,e:e}),this._hoveredTarget.fire("mouseout")),this.fire("mouse:over",{target:t,e:e}),t.fire("mouseover"),this._hoveredTarget=t):this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget,e:e}),this._hoveredTarget.fire("mouseout"),this._hoveredTarget=null)},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(t){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){return this._setActiveObject(t),this.renderAll(),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this},getActiveObject:function(){return this._activeObject},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this.callSuper("_onObjectRemoved",t)},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(t){var e=this._activeObject;return this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(),this.fire("selection:cleared",{e:t}),e&&e.fire("deselected",{e:t}),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){var e=this.getActiveGroup();return this.fire("before:selection:cleared",{e:t,target:e}),this._discardActiveGroup(),this.fire("selection:cleared",{e:t}),this},deactivateAll:function(){for(var t=this.getObjects(),e=0,i=t.length;e1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this.fire("mouse:wheel",{e:t})},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.renderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return!t[this.uniScaleKey]&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally")):(e.currentAction="scale",this._scaleObject(i,r))},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor;if(e.selectable){var r=this.getActiveGroup(),n=e._findTargetCorner&&(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this._setCornerCursor(n,e,t):this.setCursor(i)}else this.setCursor(i);return!0},_setCornerCursor:function(e,i,r){if(e in t)this.setCursor(this._getRotatedCornerCursor(e,i,r));else{if("mtr"!==e||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(e,i,r){var n=Math.round(i.getAngle()%360/45);return n<0&&(n+=8),n+=t[e],r[this.altActionKey]&&t[e]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t[this.selectionKey]&&e&&e.selectable&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){var i=this.getActiveGroup();(e!==i||(e=this.findTarget(t,!0)))&&(i?this._updateActiveGroup(e,t):this._createActiveGroup(e,t),this._activeGroup&&this._activeGroup.saveCoords())},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0))}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)1&&(e=new fabric.Group(e.reverse(),{canvas:this}),e.addWithUpdate(),this.setActiveGroup(e,t),e.saveCoords(),this.fire("selection:created",{target:e}),this.renderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(i.set("active",!0),r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.getWidth(),s=this.getHeight(),o=(i.width||this.getWidth())*r,a=(i.height||this.getHeight())*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive;this.viewportTransform=d,this.interactive&&(this.interactive=!1),n!==o||s!==a?this.setDimensions({width:o,height:a}):this.renderAll();var p=this.__toDataURL(t,e,i);return g&&(this.interactive=g),this.viewportTransform=l,this.setDimensions({width:n,height:s}),p},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t);this.clear();var n=this;return this._enlivenObjects(r.objects,function(){n._setBgOverlay(r,function(){delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay;for(var t in r)n[t]=r[t];e&&e()})},i),this}},_setBgOverlay:function(t,e){var i=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var n=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(i.renderAll(),e&&e())};this.__setBgOverlay("backgroundImage",t.backgroundImage,r,n),this.__setBgOverlay("overlayImage",t.overlayImage,r,n),this.__setBgOverlay("backgroundColor",t.background,r,n),this.__setBgOverlay("overlayColor",t.overlay,r,n),n()},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.Image.fromObject(e,function(e){n[t]=e,i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):void(i[t]=!0)},_enlivenObjects:function(t,e,i){var r=this;if(!t||0===t.length)return void(e&&e());var n=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(t,function(t){t.forEach(function(t,e){r.insertAt(t,e)}),r.renderOnAddRemove=n,e&&e()},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.toFixed,n=e.util.string.capitalize,s=e.util.degreesToRadians,o=e.StaticCanvas.supports("setLineDash");e.Object||(e.Object=e.util.createClass({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,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",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,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY".split(" "),initialize:function(t){t&&this.setOptions(t)},_initGradient:function(t){!t.fill||!t.fill.colorStops||t.fill instanceof e.Gradient||this.set("fill",new e.Gradient(t.fill)),!t.stroke||!t.stroke.colorStops||t.stroke instanceof e.Gradient||this.set("stroke",new e.Gradient(t.stroke))},_initPattern:function(t){!t.fill||!t.fill.source||t.fill instanceof e.Pattern||this.set("fill",new e.Pattern(t.fill)),!t.stroke||!t.stroke.source||t.stroke instanceof e.Pattern||this.set("stroke",new e.Pattern(t.stroke))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var i=e.util.getFunctionBody(t.clipTo);"undefined"!=typeof i&&(this.clipTo=new Function("ctx",i))}},setOptions:function(t){for(var e in t)this.set(e,t[e]);this._initGradient(t),this._initPattern(t),this._initClipping(t)},transform:function(t,e){this.group&&!this.group._transformDone&&this.group===this.canvas._activeGroup&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),t.rotate(s(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),t.transform(1,0,Math.tan(s(this.skewX)),1,0,0),t.transform(1,Math.tan(s(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,n={type:this.type,originX:this.originX,originY:this.originY,left:r(this.left,i),top:r(this.top,i),width:r(this.width,i),height:r(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,i),scaleX:r(this.scaleX,i),scaleY:r(this.scaleY,i),angle:r(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():this.transformMatrix,skewX:r(this.skewX,i),skewY:r(this.skewY,i)};return this.includeDefaultValues||(n=this._removeDefaultValues(n)),e.util.populateWithProperties(this,n,t),n},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#"},get:function(t){return this[t]},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow||(i=new e.Shadow(i)),this[t]=i,"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},setSourcePath:function(t){return this.sourcePath=t,this},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:[1,0,0,1,0,0]},render:function(t,i){0===this.width&&0===this.height||!this.visible||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),i||this.transform(t),this._setOpacity(t),this._setShadow(t),this._renderBackground(t),this._setStrokeStyles(t),this._setFillStyles(t),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this._render(t,i),this.clipTo&&t.restore(),t.restore())},_renderBackground:function(t){this.backgroundColor&&(t.fillStyle=this.backgroundColor,t.fillRect(-this.width/2,-this.height/2,this.width,this.height),this._removeShadow(t))},_setOpacity:function(t){this.group&&this.group._setOpacity(t),t.globalAlpha*=this.opacity},_setStrokeStyles:function(t){this.stroke&&(t.lineWidth=this.strokeWidth,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,t.miterLimit=this.strokeMiterLimit,t.strokeStyle=this.stroke.toLive?this.stroke.toLive(t,this):this.stroke)},_setFillStyles:function(t){this.fill&&(t.fillStyle=this.fill.toLive?this.fill.toLive(t,this):this.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),o?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){if(!(!this.active||i||this.group&&this.group!==this.canvas.getActiveGroup())){var r,n=this.getViewportTransform(),o=this.calcTransformMatrix();o=e.util.multiplyTransformMatrices(n,o),r=e.util.qrDecompose(o),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,this.group&&this.group===this.canvas.getActiveGroup()?(t.rotate(s(r.angle)),this.drawBordersInGroup(t,r)):(t.rotate(s(this.angle)),this.drawBorders(t)),this.drawControls(t),t.restore()}},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_renderFill:function(t){if(this.fill){if(t.save(),this.fill.gradientTransform){var e=this.fill.gradientTransform;t.transform.apply(t,e)}this.fill.toLive&&t.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore()}},_renderStroke:function(t){if(this.stroke&&0!==this.strokeWidth){if(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this.stroke.gradientTransform){var e=this.stroke.gradientTransform;t.transform.apply(t,e)}this.stroke.toLive&&t.translate(-this.width/2+this.stroke.offsetX||0,-this.height/2+this.stroke.offsetY||0),t.stroke(),t.restore()}},clone:function(t,i){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(i),t):new e.Object(this.toObject(i))},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.getWidth()/2,n.getHeight()/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 0},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),i.gradientTransform&&(r.gradientTransform=i.gradientTransform);for(var n in i.colorStops){var s=new e.Color(i.colorStops[n]);r.colorStops.push({offset:n,color:s.toRgb(),opacity:s.getAlpha()})}return this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},remove:function(){return this.canvas&&this.canvas.remove(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,e.util.degreesToRadians(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(e,i){var r=t(this.oCoords),n=fabric.Intersection.intersectPolygonRectangle(r,e,i);return"Intersection"===n.status},intersectsWithObject:function(e){var i=fabric.Intersection.intersectPolygonPolygon(t(this.oCoords),t(e.oCoords));return"Intersection"===i.status||e.isContainedWithinObject(this)||this.isContainedWithinObject(e)},isContainedWithinObject:function(e){for(var i=t(this.oCoords),r=0;r<4;r++)if(!e.containsPoint(i[r]))return!1;return!0},isContainedWithinRect:function(t,e){var i=this.getBoundingRect();return i.left>=t.x&&i.left+i.width<=e.x&&i.top>=t.y&&i.top+i.height<=e.y},containsPoint:function(t){this.oCoords||this.setCoords();var e=this._getImageLines(this.oCoords),i=this._findCrossPoints(t,e);return 0!==i&&i%2===1},_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,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){return this.oCoords||this.setCoords(),fabric.util.makeBoundingBoxFromPoints([this.oCoords.tl,this.oCoords.tr,this.oCoords.br,this.oCoords.bl])},getWidth:function(){return this._getTransformedDimensions().x},getHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)0?Math.atan(s/n):0,c=n/Math.cos(h)/2,l=Math.cos(h+t)*c,u=Math.sin(h+t)*c,f=fabric.util.transformPoint(this.getCenterPoint(),i),d=new fabric.Point(f.x-l,f.y-u),g=new fabric.Point(d.x+n*a,d.y+n*o),p=new fabric.Point(d.x-s*o,d.y+s*a),v=new fabric.Point(f.x+l,f.y+u),b=new fabric.Point((d.x+p.x)/2,(d.y+p.y)/2),m=new fabric.Point((g.x+d.x)/2,(g.y+d.y)/2),y=new fabric.Point((v.x+g.x)/2,(v.y+g.y)/2),_=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point(m.x+o*this.rotatingPointOffset,m.y-a*this.rotatingPointOffset);return this.oCoords={tl:d,tr:g,br:v,bl:p,ml:b,mt:m,mr:y,mb:_,mtr:x},this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){ +if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return[i,r,-r,i,0,0]}return[1,0,0,1,0,0]},calcTransformMatrix:function(){var t=this.getCenterPoint(),e=[1,0,0,1,t.x,t.y],r=this._calcRotateMatrix(),n=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0),s=this.group?this.group.calcTransformMatrix():[1,0,0,1,0,0];return s=i(s,e),s=i(s,r),s=i(s,n)},_calcDimensionsTransformMatrix:function(t,r,n){var s=[1,0,Math.tan(e(t)),1],o=[1,Math.tan(e(r)),0,1],a=this.scaleX*(n&&this.flipX?-1:1),h=this.scaleY*(n&&this.flipY?-1:1),c=[a,0,0,h],l=i(c,s,!0);return i(l,o,!0)}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(t){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,t):this.canvas.sendBackwards(this,t),this},bringForward:function(t){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,t):this.canvas.bringForward(this,t),this},moveTo:function(t){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,t):this.canvas.moveTo(this,t),this}}),function(){function t(t,e){if(e){if(e.toLive)return t+": url(#SVGID_"+e.id+"); ";var i=new fabric.Color(e),r=t+": "+i.toRgb()+"; ",n=i.getAlpha();return 1!==n&&(r+=t+"-opacity: "+n.toString()+"; "),r}return t+": none; "}fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(e){var i=this.fillRule,r=this.strokeWidth?this.strokeWidth:"0",n=this.strokeDashArray?this.strokeDashArray.join(" "):"none",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",a=this.strokeMiterLimit?this.strokeMiterLimit:"4",h="undefined"!=typeof this.opacity?this.opacity:"1",c=this.visible?"":" visibility: hidden;",l=e?"":this.getSvgFilter(),u=t("fill",this.fill),f=t("stroke",this.stroke);return[f,"stroke-width: ",r,"; ","stroke-dasharray: ",n,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",a,"; ",u,"fill-rule: ",i,"; ","opacity: ",h,";",l,c].join("")},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgId:function(){return this.id?'id="'+this.id+'" ':""},getSvgTransform:function(){if(this.group&&"path-group"===this.group.type)return"";var t=fabric.util.toFixed,e=this.getAngle(),i=this.getSkewX()%360,r=this.getSkewY()%360,n=this.getCenterPoint(),s=fabric.Object.NUM_FRACTION_DIGITS,o="path-group"===this.type?"":"translate("+t(n.x,s)+" "+t(n.y,s)+")",a=0!==e?" rotate("+t(e,s)+")":"",h=1===this.scaleX&&1===this.scaleY?"":" scale("+t(this.scaleX,s)+" "+t(this.scaleY,s)+")",c=0!==i?" skewX("+t(i,s)+")":"",l=0!==r?" skewY("+t(r,s)+")":"",u="path-group"===this.type?this.width:0,f=this.flipX?" matrix(-1 0 0 1 "+u+" 0) ":"",d="path-group"===this.type?this.height:0,g=this.flipY?" matrix(1 0 0 -1 0 "+d+")":"";return[o,a,h,f,g,c,l].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i){if(!fabric.isLikelyNode&&t instanceof Element)return t===i;if(t instanceof Array){if(t.length!==i.length)return!1;var r=i.concat().sort(),n=t.concat().sort();return!n.some(function(t,i){return!e(r[i],t)})}if(t instanceof Object){for(var s in t)if(!e(t[s],i[s]))return!1;return!0}return t===i}var i=fabric.util.object.extend;fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return!e(this.originalState,this)},saveState:function(e){return t(this,"originalState",this.stateProperties),e&&e.stateProperties&&t(this,"originalState",e.stateProperties),this},setupState:function(t){return this.originalState={},this.saveState(t),this}})}(),function(){var t=fabric.util.degreesToRadians,e=function(){return"undefined"!=typeof G_vmlCanvasManager};fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(t){if(!this.hasControls||!this.active)return!1;var e,i,r=t.x,n=t.y;this.__corner=0;for(var s in this.oCoords)if(this.isControlVisible(s)&&("mtr"!==s||this.hasRotatingPoint)&&(!this.get("lockUniScaling")||"mt"!==s&&"mr"!==s&&"mb"!==s&&"ml"!==s)&&(i=this._getImageLines(this.oCoords[s].corner),e=this._findCrossPoints({x:r,y:n},i),0!==e&&e%2===1))return this.__corner=s,s;return!1},_setCornerCoords:function(){var e,i,r=this.oCoords,n=t(45-this.angle),s=.707106*this.cornerSize,o=s*Math.cos(n),a=s*Math.sin(n);for(var h in r)e=r[h].x,i=r[h].y,r[h].corner={tl:{x:e-a,y:i-o},tr:{x:e+o,y:i-a},bl:{x:e-o,y:i+a},br:{x:e+a,y:i+o}}},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width,i=this.height,r=!0,n=!0;return"line"===this.type&&"butt"===this.strokeLineCap&&(n=e,r=i),n&&(i+=i<0?-t:t),r&&(e+=e<0?-t:t),{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i\n'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e){var n=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),s=[n.x1||0,n.y1||0,n.x2||0,n.y2||0];return new i.Line(s,r(n,e))},void(i.Line.fromObject=function(t,e){var r=[t.x1,t.y1,t.x2,t.y2],n=new i.Line(r,t);return e&&e(n),n}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;return i.Circle?void i.warn("fabric.Circle is already defined."):(i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("radius",t.radius||0),this.startAngle=t.startAngle||this.startAngle,this.endAngle=t.endAngle||this.endAngle},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return n(this.callSuper("toObject",t),{radius:this.get("radius"),startAngle:this.startAngle,endAngle:this.endAngle})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)this.group&&"path-group"===this.group.type&&(i=this.left+this.radius,n=this.top+this.radius),e.push("\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('\n')}return t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.arc(e?this.left+this.radius:0,e?this.top+this.radius:0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(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)},complexity:function(){return 1}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r){r||(r={});var s=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(s))throw new Error("value of `r` attribute is required and can not be negative");s.left=s.left||0,s.top=s.top||0;var o=new i.Circle(n(s,r));return o.left-=o.radius,o.top-=o.radius,o},void(i.Circle.fromObject=function(t,e){var r=new i.Circle(t);return e&&e(r),r}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("width",t.width||100).set("height",t.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._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),void(e.Triangle.fromObject=function(t,i){var r=new e.Triangle(t);return i&&i(r),r}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;return e.Ellipse?void e.warn("fabric.Ellipse is already defined."):(e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,initialize:function(t){t=t||{},this.callSuper("initialize",t),this.set("rx",t.rx||0),this.set("ry",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 r(this.callSuper("toObject",t),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return this.group&&"path-group"===this.group.type&&(i=this.left+this.rx,r=this.top+this.ry),e.push("\n'),t?t(e.join("")):e.join("")},_render:function(t,e){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(e?this.left+this.rx:0,e?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)},complexity:function(){return 1}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){i||(i={});var n=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);n.left=n.left||0,n.top=n.top||0;var s=new e.Ellipse(r(n,i));return s.top-=s.ry,s.left-=s.rx,s},void(e.Ellipse.fromObject=function(t,i){var r=new e.Ellipse(t);return i&&i(r),r}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry","x","y"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,strokeDashArray:null,initialize:function(t){t=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,e){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var i=this.rx?Math.min(this.rx,this.width/2):0,r=this.ry?Math.min(this.ry,this.height/2):0,n=this.width,s=this.height,o=e?this.left:-this.width/2,a=e?this.top:-this.height/2,h=0!==i||0!==r,c=.4477152502;t.beginPath(),t.moveTo(o+i,a),t.lineTo(o+n-i,a),h&&t.bezierCurveTo(o+n-c*i,a,o+n,a+c*r,o+n,a+r),t.lineTo(o+n,a+s-r),h&&t.bezierCurveTo(o+n,a+s-c*r,o+n-c*i,a+s,o+n-i,a+s),t.lineTo(o+i,a+s),h&&t.bezierCurveTo(o+c*i,a+s,o,a+s-c*r,o,a+s-r),t.lineTo(o,a+r),h&&t.bezierCurveTo(o,a+c*r,o+c*i,a,o+i,a),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){var e=i(this.callSuper("toObject",t),{rx:this.get("rx")||0,ry:this.get("ry")||0});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.left,r=this.top;return this.group&&"path-group"===this.group.type||(i=-this.width/2,r=-this.height/2),e.push("\n'),t?t(e.join("")):e.join("")},complexity:function(){return 1}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r){if(!t)return null;r=r||{};var n=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);n.left=n.left||0,n.top=n.top||0;var s=new e.Rect(i(r?e.util.object.clone(r):{},n));return s.visible=s.visible&&s.width>0&&s.height>0,s},e.Rect.fromObject=function(t,i){var r=new e.Rect(t);return i&&i(r),r}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Polyline?void e.warn("fabric.Polyline is already defined"):(e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,initialize:function(t,i){return e.Polygon.prototype.initialize.call(this,t,i)},_calcDimensions:function(){return e.Polygon.prototype._calcDimensions.call(this)},toObject:function(t){return e.Polygon.prototype.toObject.call(this,t)},toSVG:function(t){return e.Polygon.prototype.toSVG.call(this,t)},_render:function(t,i){e.Polygon.prototype.commonRender.call(this,t,i)&&(this._renderFill(t),this._renderStroke(t))},_renderDashedStroke:function(t){var i,r;t.beginPath();for(var n=0,s=this.points.length;n\n'),t?t(r.join("")):r.join("")},_render:function(t,e){this.commonRender(t,e)&&(this._renderFill(t),(this.stroke||this.strokeDashArray)&&(t.closePath(),this._renderStroke(t)))},commonRender:function(t,e){var i,r=this.points.length;if(!r||isNaN(this.points[r-1].y))return!1;e||t.translate(-this.pathOffset.x,-this.pathOffset.y),t.beginPath(),t.moveTo(this.points[0].x,this.points[0].y);for(var n=0;n"},toObject:function(t){var e=n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),pathOffset:this.pathOffset});return this.sourcePath&&(e.sourcePath=this.sourcePath),this.transformMatrix&&(e.transformMatrix=this.transformMatrix),e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;lp)for(var b=1,m=n.length;b\n");for(var s=0,o=e.length;s\n"),t?t(n.join("")):n.join("")},toString:function(){return"#"},isSameColor:function(){var t=this.getObjects()[0].get("fill")||"";return"string"==typeof t&&(t=t.toLowerCase(),this.getObjects().every(function(e){var i=e.get("fill")||"";return"string"==typeof i&&i.toLowerCase()===t}))},complexity:function(){return this.paths.reduce(function(t,e){return t+(e&&e.complexity?e.complexity():0)},0)},getObjects:function(){return this.paths}}),e.PathGroup.fromObject=function(t,i){"string"==typeof t.paths?e.loadSVGFromURL(t.paths,function(r){var n=t.paths;delete t.paths;var s=e.util.groupSVGElements(r,t,n);i(s)}):e.util.enlivenObjects(t.paths,function(r){delete t.paths,i(new e.PathGroup(r,t))})},void(e.PathGroup.async=!0))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.array.invoke;if(!e.Group){var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};e.Group=e.util.createClass(e.Object,e.Collection,{type:"group",strokeWidth:0,subTargetCheck:!1,initialize:function(t,e,i){e=e||{},this._objects=[],i&&this.callSuper("initialize",e),this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;this.originalState={},e.originX&&(this.originX=e.originX),e.originY&&(this.originY=e.originY),i?this._updateObjectsCoords(!0):(this._calcBounds(),this._updateObjectsCoords(),this.callSuper("initialize",e)),this.setCoords(),this.saveCoords()},_updateObjectsCoords:function(t){for(var e=this._objects.length;e--;)this._updateObjectCoords(this._objects[e],t)},_updateObjectCoords:function(t,e){if(t.__origHasControls=t.hasControls,t.hasControls=!1,!e){var i=t.getLeft(),r=t.getTop(),n=this.getCenterPoint();t.set({originalLeft:i,originalTop:r,left:i-n.x,top:r-n.y}),t.setCoords()}},toString:function(){return"#"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(t){t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,stroke:!0,strokeWidth:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){var i=this._objects.length;if(this.delegatedProperties[t]||"canvas"===t)for(;i--;)this._objects[i].set(t,e);else for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){return i(this.callSuper("toObject",t),{objects:s(this._objects,"toObject",t)})},render:function(t){if(this.visible){t.save(),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.transform(t),this._setShadow(t),this.clipTo&&e.util.clipContext(this,t),this._transformDone=!0;for(var i=0,r=this._objects.length;i\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in o){if(this[t])return this[t];for(var e=0,i=this._objects.length;e\n',"\n"),this.stroke||this.strokeDashArray){var o=this.fill;this.fill=null,e.push("\n'),this.fill=o}return e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){fabric.util.loadImage(t,function(t){return this.setElement(t,e,i)},this,i&&i.crossOrigin)},toString:function(){return'#'},applyFilters:function(t,e,i,r){if(e=e||this.filters,i=i||this._originalElement){var n,s,o=fabric.util.createImage(),a=this.canvas?this.canvas.getRetinaScaling():fabric.devicePixelRatio,h=this.minimumScaleTrigger/a,c=this;if(0===e.length)return this._element=i,t&&t(this),i;var l=fabric.util.createCanvasElement();return l.width=i.width,l.height=i.height,l.getContext("2d").drawImage(i,0,0,i.width,i.height),e.forEach(function(t){t&&(r?(n=c.scaleX0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.setAngle(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.Brightness=n(r.BaseFilter,{type:"Brightness",initialize:function(t){t=t||{},this.brightness=t.brightness||0},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),r=i.data,n=this.brightness,s=0,o=r.length;sb||o<0||o>v||(h=4*(a*v+o),c=l[C*d+w],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,n+=p[h+3]*c);y[s]=e,y[s+1]=i,y[s+2]=r,y[s+3]=n+_*(255-n)}u.putImageData(m,0,0)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=function(t){return new e.Image.filters.Convolute(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.GradientTransparency=n(r.BaseFilter,{type:"GradientTransparency",initialize:function(t){t=t||{},this.threshold=t.threshold||100},applyTo:function(t){for(var e=t.getContext("2d"),i=e.getImageData(0,0,t.width,t.height),r=i.data,n=this.threshold,s=r.length,o=0,a=r.length;o-1?t.channel:0},applyTo:function(t){if(this.mask){var i,r=t.getContext("2d"),n=r.getImageData(0,0,t.width,t.height),s=n.data,o=this.mask.getElement(),a=e.util.createCanvasElement(),h=this.channel,c=n.width*n.height*4;a.width=t.width,a.height=t.height,a.getContext("2d").drawImage(o,0,0,t.width,t.height);var l=a.getContext("2d").getImageData(0,0,t.width,t.height),u=l.data;for(i=0;ic&&i>c&&r>c&&l(e-i)i&&(l=2,f=-1),a>n&&(u=2,d=-1),h=c.getImageData(0,0,i,n),t.width=o(s,i),t.height=o(a,n),c.putImageData(h,0,0);!g||!p;)i=v,n=b,s*ft)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return h(e)*h(i)/e/i}}function f(t){var h,c,u,d,g,j,M,A,P,I,D;for(T.x=(t+.5)*y,k.x=r(T.x),h=0;h=e)){I=r(1e3*s(c-T.x)),O[I]||(O[I]={});for(var E=k.y-w;E<=k.y+w;E++)E<0||E>=o||(D=r(1e3*s(E-T.y)),O[I][D]||(O[I][D]=m(n(i(I*x,2)+i(D*S,2))/1e3)),u=O[I][D],u>0&&(d=4*(E*e+c),g+=u,j+=u*v[d],M+=u*v[d+1],A+=u*v[d+2],P+=u*v[d+3]))}d=4*(h*a+t),b[d]=j/g,b[d+1]=M/g,b[d+2]=A/g,b[d+3]=P/g}return++t1&&L<-1||(x=2*L*L*L-3*L*L+1,x>0&&(E=4*(D+M*e),k+=x*p[E+3],C+=x,p[E+3]<255&&(x=x*p[E+3]/250),w+=x*p[E],O+=x*p[E+1],T+=x*p[E+2],S+=x))}b[_]=w/S,b[_+1]=O/S,b[_+2]=T/S,b[_+3]=k/C}return v},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=function(t){return new e.Image.filters.Resize(t)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.Image.filters,n=e.util.createClass;r.ColorMatrix=n(r.BaseFilter,{type:"ColorMatrix",initialize:function(t){t||(t={}),this.matrix=t.matrix||[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0]},applyTo:function(t){var e,i,r,n,s,o=t.getContext("2d"),a=o.getImageData(0,0,t.width,t.height),h=a.data,c=h.length,l=this.matrix;for(e=0;e'},_render:function(t){this.clipTo&&e.util.clipContext(this,t),this._setOpacity(t),this._setShadow(t),this._setupCompositeOperation(t),this._renderTextBackground(t),this._setStrokeStyles(t),this._setFillStyles(t),this._renderText(t),this._renderTextDecoration(t),this.clipTo&&t.restore()},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t){t.textBaseline="alphabetic",t.font=this._getFontDeclaration()},_getTextHeight:function(){return this._getHeightOfSingleLine()+(this._textLines.length-1)*this._getHeightOfLine()},_getTextWidth:function(t){for(var e=this._getLineWidth(t,0),i=1,r=this._textLines.length;ie&&(e=n)}return e},_getNonTransformedDimensions:function(){return{x:this.width,y:this.height}},_renderChars:function(t,e,i,r,n){var s,o,a=t.slice(0,-4);if(this[a].toLive){var h=-this.width/2+this[a].offsetX||0,c=-this.height/2+this[a].offsetY||0;e.save(),e.translate(h,c),r-=h,n-=c}if(0!==this.charSpacing){var l=this._getWidthOfCharSpacing();i=i.split("");for(var u=0,f=i.length;u0?o:0}else e[t](i,r,n);this[a].toLive&&e.restore()},_renderTextLine:function(t,e,i,r,n,s){n-=this.fontSize*this._fontSizeFraction;var o=this._getLineWidth(e,s);if("justify"!==this.textAlign||this.width0?u/f:0,g=0,p=0,v=h.length;p0?n:0},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},isEmptyStyles:function(){return!0},_renderTextCommon:function(t,e){for(var i=0,r=this._getLeftOffset(),n=this._getTopOffset(),s=0,o=this._textLines.length;s0&&(r=this._getLineLeftOffset(i),t.fillRect(this._getLeftOffset()+r,this._getTopOffset()+n,i,e/this.lineHeight)),n+=e;this._removeShadow(t)}},_getLineLeftOffset:function(t){return"center"===this.textAlign?(this.width-t)/2:"right"===this.textAlign?this.width-t:0},_clearCache:function(){this.__lineWidths=[],this.__lineHeights=[]},_shouldClearCache:function(){var t=!1;if(this._forceClearCache)return this._forceClearCache=!1,!0;for(var e in this._dimensionAffectingProps)this["__"+e]!==this[e]&&(this["__"+e]=this[e],t=!0);return t},_getLineWidth:function(t,e){if(this.__lineWidths[e])return this.__lineWidths[e]===-1?this.width:this.__lineWidths[e];var i,r,n=this._textLines[e];return i=""===n?0:this._measureLine(t,e),this.__lineWidths[e]=i,i&&"justify"===this.textAlign&&(r=n.split(/\s+/),r.length>1&&(this.__lineWidths[e]=-1)),i},_getWidthOfCharSpacing:function(){return 0!==this.charSpacing?this.fontSize*this.charSpacing/1e3:0},_measureLine:function(t,e){var i,r,n=this._textLines[e],s=t.measureText(n).width,o=0;return 0!==this.charSpacing&&(i=n.split("").length,o=(i-1)*this._getWidthOfCharSpacing()),r=s+o,r>0?r:0},_renderTextDecoration:function(t){function e(e){var n,s,o,a,h,c,l,u=0;for(n=0,s=r._textLines.length;n-1&&n.push(.85),this.textDecoration.indexOf("line-through")>-1&&n.push(.43),this.textDecoration.indexOf("overline")>-1&&n.push(-.12),n.length>0&&e(n)}},_getFontDeclaration:function(){return[e.isLikelyNode?this.fontWeight:this.fontStyle,e.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",e.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(t,e){this.visible&&(t.save(),this._setTextStyles(t),this._shouldClearCache()&&this._initDimensions(t),this.drawSelectionBackground(t),e||this.transform(t),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.group&&"path-group"===this.group.type&&t.translate(this.left,this.top),this._render(t),t.restore())},_splitTextIntoLines:function(){return this.text.split(this._reNewline)},toObject:function(t){var e=i(this.callSuper("toObject",t),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,textBackgroundColor:this.textBackgroundColor,charSpacing:this.charSpacing});return this.includeDefaultValues||this._removeDefaultValues(e),e},toSVG:function(t){this.ctx||(this.ctx=e.util.createCanvasElement().getContext("2d"));var i=this._createBaseSVGMarkup(),r=this._getSVGLeftTopOffsets(this.ctx),n=this._getSVGTextAndBg(r.textTop,r.textLeft);return this._wrapSVGTextAndBg(i,n),t?t(i.join("")):i.join("")},_getSVGLeftTopOffsets:function(t){var e=this._getHeightOfLine(t,0),i=-this.width/2,r=0;return{textLeft:i+(this.group&&"path-group"===this.group.type?this.left:0),textTop:r+(this.group&&"path-group"===this.group.type?-this.top:0),lineTop:e}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t\n",e.textBgRects.join(""),"\t\t\n',e.textSpans.join(""),"\t\t\n","\t\n")},_getSVGTextAndBg:function(t,e){var i=[],r=[],n=0;this._setSVGBg(r);for(var s=0,o=this._textLines.length;s",e.util.string.escapeXml(this._textLines[t]),"\n")},_setSVGTextLineJustifed:function(t,i,r,o){var a=e.util.createCanvasElement().getContext("2d");this._setTextStyles(a);var h,c,l=this._textLines[t],u=l.split(/\s+/),f=this._getWidthOfWords(a,u.join("")),d=this.width-f,g=u.length-1,p=g>0?d/g:0,v=this._getFillAttributes(this.fill);for(o+=this._getLineLeftOffset(this._getLineWidth(a,t)),t=0,c=u.length;t",e.util.string.escapeXml(h),"\n"),o+=this._getWidthOfWords(a,h)+p},_setSVGTextLineBg:function(t,e,i,r,o){t.push("\t\t\n')},_setSVGBg:function(t){this.backgroundColor&&t.push("\t\t\n')},_getFillAttributes:function(t){var i=t&&"string"==typeof t?new e.Color(t):"";return i&&i.getSource()&&1!==i.getAlpha()?'opacity="'+i.getAlpha()+'" fill="'+i.setAlpha(1).toRgb()+'"':'fill="'+t+'"'},_set:function(t,e){this.callSuper("_set",t,e),t in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,i){if(!t)return null;var r=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);i=e.util.object.extend(i?e.util.object.clone(i):{},r),i.top=i.top||0,i.left=i.left||0,"dx"in r&&(i.left+=r.dx),"dy"in r&&(i.top+=r.dy),"fontSize"in i||(i.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),i.originX||(i.originX="left");var n="";"textContent"in t?n=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(n=t.firstChild.data),n=n.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var s=new e.Text(n,i),o=s.getHeight()/s.height,a=(s.height+s.strokeWidth)*s.lineHeight-s.height,h=a*o,c=s.getHeight()+h,l=0;return"left"===s.originX&&(l=s.getWidth()/2),"right"===s.originX&&(l=-s.getWidth()/2),s.set({left:s.getLeft()+l,top:s.getTop()-c/2+s.fontSize*(.18+s._fontSizeFraction)/s.lineHeight}),s},e.Text.fromObject=function(t,i){var n=new e.Text(t.text,r(t));return i&&i(n),n},e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.object.clone;fabric.IText=fabric.util.createClass(fabric.Text,fabric.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:"#333",cursorDelay:1e3,cursorDuration:600,styles:null,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],initialize:function(t,e){this.styles=e?e.styles||{}:{},this.callSuper("initialize",t,e),this.initBehavior()},_clearCache:function(){this.callSuper("_clearCache"),this.__widthOfSpace=[]},isEmptyStyles:function(){if(!this.styles)return!0;var t=this.styles;for(var e in t)for(var i in t[e])for(var r in t[e][i])return!1;return!0},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r0?a:0,lineLeft:r},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex,s=this.getCurrentCharFontSize(r,n),o=0===r&&0===n?this._getLineLeftOffset(this._getLineWidth(e,r)):t.leftOffset,a=this.scaleX*this.canvas.getZoom(),h=this.cursorWidth/a;e.fillStyle=this.getCurrentCharColor(r,n),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+o-h/2,t.top+t.topOffset,h,s)},renderSelection:function(t,e,i){i.fillStyle=this.selectionColor;for(var r=this.get2DCursorLocation(this.selectionStart),n=this.get2DCursorLocation(this.selectionEnd),s=r.lineIndex,o=n.lineIndex,a=s;a<=o;a++){var h=this._getLineLeftOffset(this._getLineWidth(i,a))||0,c=this._getHeightOfLine(this.ctx,a),l=0,u=0,f=this._textLines[a];if(a===s){for(var d=0,g=f.length;d=r.charIndex&&(a!==o||ds&&a1)&&(c/=this.lineHeight),i.fillRect(e.left+h,e.top+e.topOffset,u>0?u:0,c),e.topOffset+=l}},_renderChars:function(t,e,i,r,n,s,o){if(this.isEmptyStyles())return this._renderCharsFast(t,e,i,r,n);o=o||0;var a,h,c=this._getHeightOfLine(e,s),l="";e.save(),n-=c/this.lineHeight*this._fontSizeFraction;for(var u=o,f=i.length+o;u<=f;u++)a=a||this.getCurrentCharStyle(s,u),h=this.getCurrentCharStyle(s,u+1),(this._hasStyleChanged(a,h)||u===f)&&(this._renderChar(t,e,s,u-1,l,r,n,c),l="",a=h),l+=i[u-o];e.restore()},_renderCharsFast:function(t,e,i,r,n){"fillText"===t&&this.fill&&this.callSuper("_renderChars",t,e,i,r,n),"strokeText"===t&&(this.stroke&&this.strokeWidth>0||this.skipFillStrokeCheck)&&this.callSuper("_renderChars",t,e,i,r,n)},_renderChar:function(t,e,i,r,n,s,o,a){var h,c,l,u,f,d,g,p,v,b=this._getStyleDeclaration(i,r);if(b?(c=this._getHeightOfChar(e,n,i,r),u=b.stroke,l=b.fill,d=b.textDecoration):c=this.fontSize,u=(u||this.stroke)&&"strokeText"===t,l=(l||this.fill)&&"fillText"===t,b&&e.save(),h=this._applyCharStylesGetWidth(e,n,i,r,b||null),d=d||this.textDecoration,b&&b.textBackgroundColor&&this._removeShadow(e),0!==this.charSpacing){p=this._getWidthOfCharSpacing(),g=n.split(""),h=0;for(var m,y=0,_=g.length;y<_;y++)m=g[y],l&&e.fillText(m,s+h,o),u&&e.strokeText(m,s+h,o),v=e.measureText(m).width+p,h+=v>0?v:0}else l&&e.fillText(n,s,o),u&&e.strokeText(n,s,o);(d||""!==d)&&(f=this._fontSizeFraction*a/this.lineHeight,this._renderCharDecoration(e,d,s,o,f,h,c)),b&&e.restore(),e.translate(h,0)},_hasStyleChanged:function(t,e){return t.fill!==e.fill||t.fontSize!==e.fontSize||t.textBackgroundColor!==e.textBackgroundColor||t.textDecoration!==e.textDecoration||t.fontFamily!==e.fontFamily||t.fontWeight!==e.fontWeight||t.fontStyle!==e.fontStyle||t.stroke!==e.stroke||t.strokeWidth!==e.strokeWidth},_renderCharDecoration:function(t,e,i,r,n,s,o){if(e){var a,h,c=o/15,l={underline:r+o/10,"line-through":r-o*(this._fontSizeFraction+this._fontSizeMult-1)+c,overline:r-(this._fontSizeMult-this._fontSizeFraction)*o},u=["underline","line-through","overline"];for(a=0;a-1&&t.fillRect(i,l[h],s,c)}},_renderTextLine:function(t,e,i,r,n,s){this.isEmptyStyles()||(n+=this.fontSize*(this._fontSizeFraction+.03)),this.callSuper("_renderTextLine",t,e,i,r,n,s)},_renderTextDecoration:function(t){if(this.isEmptyStyles())return this.callSuper("_renderTextDecoration",t)},_renderTextLinesBackground:function(t){this.callSuper("_renderTextLinesBackground",t);for(var e,i,r,n,s,o,a=0,h=this._getLeftOffset(),c=this._getTopOffset(),l=0,u=this._textLines.length;l0?n:0},_getHeightOfChar:function(t,e,i){var r=this._getStyleDeclaration(e,i);return r&&r.fontSize?r.fontSize:this.fontSize},_getWidthOfCharsAt:function(t,e,i){var r,n,s=0;for(r=0;r0?i:0},_getWidthOfSpace:function(t,e){if(this.__widthOfSpace[e])return this.__widthOfSpace[e];var i=this._textLines[e],r=this._getWidthOfWords(t,i,e,0),n=this.width-r,s=i.length-i.replace(this._reSpacesAndTabs,"").length,o=Math.max(n/s,t.measureText(" ").width);return this.__widthOfSpace[e]=o,o},_getWidthOfWords:function(t,e,i,r){for(var n=0,s=0;sr&&(r=o)}return this.__lineHeights[e]=r*this.lineHeight*this._fontSizeMult,this.__lineHeights[e]},_getTextHeight:function(t){for(var e,i=0,r=0,n=this._textLines.length;r-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this.text.charAt(i)))for(;this._reSpace.test(this.text.charAt(i));)e++,i++;for(;/\S/.test(this.text.charAt(i))&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this.text.charAt(i))&&i0&&ithis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(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},_updateTextarea:function(){if(this.hiddenTextarea&&!this.inCompositionMode&&(this.cursorOffsetCache={},this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart,this.hiddenTextarea.selectionEnd=this.selectionEnd,this.selectionStart===this.selectionEnd)){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top,this.hiddenTextarea.style.fontSize=t.fontSize}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.text.split(""),e=this._getCursorBoundaries(t,"cursor"),i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex,s=this.getCurrentCharFontSize(r,n),o=0===r&&0===n?this._getLineLeftOffset(this._getLineWidth(this.ctx,r)):e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor +}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,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;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,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]},_removeCharsFromTo:function(t,e){for(;e!==t;)this._removeSingleCharAndStyle(t+1),e--;this.selectionStart=t,this.selectionEnd=t},_removeSingleCharAndStyle:function(t){var e="\n"===this.text[t-1],i=e?t:t-1;this.removeStyleObject(e,i),this.text=this.text.slice(0,t-1)+this.text.slice(t),this._textLines=this._splitTextIntoLines()},insertChars:function(t,e){var i;if(this.selectionEnd-this.selectionStart>1&&this._removeCharsFromTo(this.selectionStart,this.selectionEnd),!e&&this.isEmptyStyles())return void this.insertChar(t,!1);for(var r=0,n=t.length;r=i&&(s[parseInt(o,10)-i]=this.styles[e][o],delete this.styles[e][o]);this.styles[e+1]=s}this._forceClearCache=!0},insertCharStyleObject:function(e,i,r){var n=this.styles[e],s=t(n);0!==i||r||(i=1);for(var o in s){var a=parseInt(o,10);a>=i&&(n[a+1]=s[a],s[a-1]||delete n[a])}this.styles[e][i]=r||t(n[i-1]),this._forceClearCache=!0},insertStyleObjects:function(t,e,i){var r=this.get2DCursorLocation(),n=r.lineIndex,s=r.charIndex;this._getLineStyle(n)||this._setLineStyle(n,{}),"\n"===t?this.insertNewlineStyleObject(n,s,e):this.insertCharStyleObject(n,s,i)},shiftLineStyles:function(e,i){var r=t(this.styles);for(var n in this.styles){var s=parseInt(n,10);s>e&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},removeStyleObject:function(t,e){var i=this.get2DCursorLocation(e),r=i.lineIndex,n=i.charIndex;this._removeStyleObject(t,i,r,n)},_getTextOnPreviousLine:function(t){return this._textLines[t-1]},_removeStyleObject:function(e,i,r,n){if(e){var s=this._getTextOnPreviousLine(i.lineIndex),o=s?s.length:0;this.styles[r-1]||(this.styles[r-1]={});for(n in this.styles[r])this.styles[r-1][parseInt(n,10)+o]=this.styles[r][n];this.shiftLineStyles(i.lineIndex,-1)}else{var a=this.styles[r];a&&delete a[n];var h=t(a);for(var c in h){var l=parseInt(c,10);l>=n&&0!==l&&(a[l-1]=h[l],delete a[l])}}},insertNewline:function(){this.insertChars("\n")},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e)?(this.fire("tripleclick",t),this._stopEvent(t.e)):this.isDoubleClick(e)&&(this.fire("dblclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y&&this.__lastIsEditing},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.initSelectedHandler(),this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,this.editable&&!this._isObjectMoved(t.e)&&(this.__lastSelected&&!this.__corner&&(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._fireSelectionChanged(),this._updateTextarea()},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=this._textLines.length;hs?0:1,h=r+a;return this.flipX&&(h=n-h),h>this.text.length&&(h=this.text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; opacity: 0; width: 0px; height: 0px; z-index: -999;",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.cut.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:{8:"removeChars",9:"exitEditing",27:"exitEditing",13:"insertNewline",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown",46:"forwardDelete"},_ctrlKeysMapUp:{67:"copy",88:"cut"},_ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing){if(t.keyCode in this._keysMap)this[this._keysMap[t.keyCode]](t);else{if(!(t.keyCode in this._ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this._ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.renderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone?void(this._copyDone=!1):void(t.keyCode in this._ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this._ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.renderAll()))},onInput:function(t){if(this.isEditing&&!this.inCompositionMode){var e,i,r,n=this.selectionStart||0,s=this.selectionEnd||0,o=this.text.length,a=this.hiddenTextarea.value.length;a>o?(r="left"===this._selectionDirection?s:n,e=a-o,i=this.hiddenTextarea.value.slice(r,r+e)):(e=a-o+s-n,i=this.hiddenTextarea.value.slice(n,n+e)),this.insertChars(i),t.stopPropagation()}},onCompositionStart:function(){this.inCompositionMode=!0,this.prevCompositionLength=0,this.compositionStart=this.selectionStart},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){var e=t.data;this.selectionStart=this.compositionStart,this.selectionEnd=this.selectionEnd===this.selectionStart?this.compositionStart+this.prevCompositionLength:this.selectionEnd,this.insertChars(e,!1),this.prevCompositionLength=e.length},forwardDelete:function(t){if(this.selectionStart===this.selectionEnd){if(this.selectionStart===this.text.length)return;this.moveCursorRight(t)}this.removeChars(t)},copy:function(t){if(this.selectionStart!==this.selectionEnd){var e=this.getSelectedText(),i=this._getClipboardData(t);i&&i.setData("text",e),fabric.copiedText=e,fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd),t.stopImmediatePropagation(),t.preventDefault(),this._copyDone=!0}},paste:function(t){var e=null,i=this._getClipboardData(t),r=!0;i?(e=i.getData("text").replace(/\r/g,""),fabric.copiedTextStyle&&fabric.copiedText===e||(r=!1)):e=fabric.copiedText,e&&this.insertChars(e,r),t.stopImmediatePropagation(),t.preventDefault()},cut:function(t){this.selectionStart!==this.selectionEnd&&(this.copy(t),this.removeChars(t))},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){for(var i,r=this._textLines[t].slice(0,e),n=this._getLineWidth(this.ctx,t),s=this._getLineLeftOffset(n),o=0,a=r.length;oe){i=!0;var f=o-u,d=o,g=Math.abs(f-e),p=Math.abs(d-e);a=p=this.text.length&&this.selectionEnd>=this.text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(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(void 0!==typeof r&&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){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this.text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.IText.prototype,{_setSVGTextLineText:function(t,e,i,r,n,s){this._getLineStyle(t)?this._setSVGTextLineChars(t,e,i,r,s):fabric.Text.prototype._setSVGTextLineText.call(this,t,e,i,r,n)},_setSVGTextLineChars:function(t,e,i,r,n){for(var s=this._textLines[t],o=0,a=this._getLineLeftOffset(this._getLineWidth(this.ctx,t))-this.width/2,h=this._getSVGLineTopOffset(t),c=this._getHeightOfLine(this.ctx,t),l=0,u=s.length;l\n'].join("")},_createTextCharSpan:function(i,r,n,s,o){var a=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text",getSvgFilter:fabric.Object.prototype.getSvgFilter},r));return['\t\t\t',fabric.util.string.escapeXml(i),"\n"].join("")}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.clone;e.Textbox=e.util.createClass(e.IText,e.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingY:!0,lockScalingFlip:!0,initialize:function(t,i){this.ctx=e.util.createCanvasElement().getContext("2d"),this.callSuper("initialize",t,i),this.setControlsVisibility(e.Textbox.getTextboxControlVisibility()),this._dimensionAffectingProps.width=!0},_initDimensions:function(t){this.__skipDimension||(t||(t=e.util.createCanvasElement().getContext("2d"),this._setTextStyles(t)),this.dynamicMinWidth=0,this._textLines=this._splitTextIntoLines(),this.dynamicMinWidth>this.width&&this._set("width",this.dynamicMinWidth),this._clearCache(),this.height=this._getTextHeight(t))},_generateStyleMap:function(){for(var t=0,e=0,i=0,r={},n=0;n0?(e=0,i++,t++):" "===this.text[i]&&n>0&&(e++,i++),r[n]={line:t,offset:e},i+=this._textLines[n].length,e+=this._textLines[n].length;return r},_getStyleDeclaration:function(t,e,i){if(this._styleMap){var r=this._styleMap[t];if(!r)return i?{}:null;t=r.line,e=r.offset+e}return this.callSuper("_getStyleDeclaration",t,e,i)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=e.split(this._reNewline),n=[];for(i=0;i=this.width&&!d?(n.push(s),s="",r=l,d=!0):r+=g,d||(s+=c),s+=a,u=this._measureText(t,c,i,h),h++,d=!1,l>f&&(f=l);return p&&n.push(s),f>this.dynamicMinWidth&&(this.dynamicMinWidth=f-g),n},_splitTextIntoLines:function(){var t=this.textAlign;this.ctx.save(),this._setTextStyles(this.ctx),this.textAlign="left";var e=this._wrapText(this.ctx,this.text);return this.textAlign=t,this.ctx.restore(),this._textLines=e,this._styleMap=this._generateStyleMap(),e},setOnGroup:function(t,e){"scaleX"===t&&(this.set("scaleX",Math.abs(1/e)),this.set("width",this.get("width")*e/("undefined"==typeof this.__oldScaleX?1:this.__oldScaleX)),this.__oldScaleX=e)},get2DCursorLocation:function(t){"undefined"==typeof t&&(t=this.selectionStart);for(var e=this._textLines.length,i=0,r=0;r=h.getMinWidth()?(h.set("width",c),!0):void 0},fabric.Group.prototype._refreshControlsVisibility=function(){if("undefined"!=typeof fabric.Textbox)for(var t=this._objects.length;t--;)if(this._objects[t]instanceof fabric.Textbox)return void this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility())};var e=fabric.util.object.clone;fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]},insertCharStyleObject:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,fabric.IText.prototype.insertCharStyleObject.apply(this,[t,e,i])},insertNewlineStyleObject:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,fabric.IText.prototype.insertNewlineStyleObject.apply(this,[t,e,i])},shiftLineStyles:function(t,i){var r=e(this.styles),n=this._styleMap[t];t=n.line;for(var s in this.styles){var o=parseInt(s,10);o>t&&(this.styles[o+i]=r[o],r[o-i]||delete this.styles[o])}},_getTextOnPreviousLine:function(t){for(var e=this._textLines[t-1];this._styleMap[t-2]&&this._styleMap[t-2].line===this._styleMap[t-1].line;)e=this._textLines[t-2]+e,t--;return e},removeStyleObject:function(t,e){var i=this.get2DCursorLocation(e),r=this._styleMap[i.lineIndex],n=r.line,s=r.offset+i.charIndex;this._removeStyleObject(t,i,n,s)}})}(),function(){var t=fabric.IText.prototype._getNewSelectionStartFromOffset;fabric.IText.prototype._getNewSelectionStartFromOffset=function(e,i,r,n,s){n=t.call(this,e,i,r,n,s);for(var o=0,a=0,h=0;h=n));h++)"\n"!==this.text[o+a]&&" "!==this.text[o+a]||a++;return n-h+a}}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.style={},n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}(); \ No newline at end of file diff --git a/dist/fabric.min.js.gz b/dist/fabric.min.js.gz index af922952fb6..1702e9e6b3f 100644 Binary files a/dist/fabric.min.js.gz and b/dist/fabric.min.js.gz differ diff --git a/dist/fabric.require.js b/dist/fabric.require.js index a0cfce29175..6767b8e38e3 100644 --- a/dist/fabric.require.js +++ b/dist/fabric.require.js @@ -1,5 +1,5 @@ var fabric = fabric || { - version: "1.6.5" + version: "1.6.6" }; if (typeof exports !== "undefined") { @@ -551,15 +551,17 @@ fabric.Collection = { } }; fabric.util.getBoundsOfArc = function(fx, fy, rx, ry, rot, large, sweep, tx, ty) { - var fromX = 0, fromY = 0, bound = [], bounds = [], segs = arcToSegments(tx - fx, ty - fy, rx, ry, large, sweep, rot), boundCopy = [ [], [] ]; + var fromX = 0, fromY = 0, bound, bounds = [], segs = arcToSegments(tx - fx, ty - fy, rx, ry, large, sweep, rot); for (var i = 0, len = segs.length; i < len; i++) { bound = getBoundsOfCurve(fromX, fromY, segs[i][0], segs[i][1], segs[i][2], segs[i][3], segs[i][4], segs[i][5]); - boundCopy[0].x = bound[0].x + fx; - boundCopy[0].y = bound[0].y + fy; - boundCopy[1].x = bound[1].x + fx; - boundCopy[1].y = bound[1].y + fy; - bounds.push(boundCopy[0]); - bounds.push(boundCopy[1]); + bounds.push({ + x: bound[0].x + fx, + y: bound[0].y + fy + }); + bounds.push({ + x: bound[1].x + fx, + y: bound[1].y + fy + }); fromX = segs[i][4]; fromY = segs[i][5]; } @@ -795,7 +797,9 @@ fabric.Collection = { (function() { function extend(destination, source, deep) { if (deep) { - if (source instanceof Array) { + if (!fabric.isLikelyNode && source instanceof Element) { + destination = source; + } else if (source instanceof Array) { destination = source.map(function(v) { return clone(v, deep); }); @@ -3437,6 +3441,13 @@ fabric.Pattern = fabric.util.createClass({ this.overlayImage = null; this.backgroundColor = ""; this.overlayColor = ""; + if (this._hasITextHandlers) { + this.off("selection:cleared", this._canvasITextSelectionClearedHanlder); + this.off("object:selected", this._canvasITextSelectionClearedHanlder); + this.off("mouse:up", this._mouseUpITextHandler); + this._iTextInstances = null; + this._hasITextHandlers = false; + } this.clearContext(this.contextContainer); this.fire("canvas:cleared"); this.renderAll(); @@ -5577,7 +5588,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { return this.__toDataURLWithMultiplier(format, quality, cropping, multiplier); }, __toDataURLWithMultiplier: function(format, quality, cropping, multiplier) { - var origWidth = this.getWidth(), origHeight = this.getHeight(), scaledWidth = (cropping.width || this.getWidth()) * multiplier, scaledHeight = (cropping.width || this.getHeight()) * multiplier, zoom = this.getZoom(), newZoom = zoom * multiplier, vp = this.viewportTransform, translateX = (vp[4] - cropping.left) * multiplier, translateY = (vp[5] - cropping.top) * multiplier, newVp = [ newZoom, 0, 0, newZoom, translateX, translateY ], originalInteractive = this.interactive; + var origWidth = this.getWidth(), origHeight = this.getHeight(), scaledWidth = (cropping.width || this.getWidth()) * multiplier, scaledHeight = (cropping.height || this.getHeight()) * multiplier, zoom = this.getZoom(), newZoom = zoom * multiplier, vp = this.viewportTransform, translateX = (vp[4] - cropping.left) * multiplier, translateY = (vp[5] - cropping.top) * multiplier, newVp = [ newZoom, 0, 0, newZoom, translateX, translateY ], originalInteractive = this.interactive; this.viewportTransform = newVp; this.interactive && (this.interactive = false); if (origWidth !== scaledWidth || origHeight !== scaledHeight) { @@ -6680,7 +6691,9 @@ fabric.util.object.extend(fabric.Object.prototype, { extend(origin[destination], tmpObj, deep); } function _isEqual(origValue, currentValue) { - if (origValue instanceof Array) { + if (!fabric.isLikelyNode && origValue instanceof Element) { + return origValue === currentValue; + } else if (origValue instanceof Array) { if (origValue.length !== currentValue.length) { return false; } @@ -9833,6 +9846,66 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass({ }; })(typeof exports !== "undefined" ? exports : this); +(function(global) { + "use strict"; + var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, filters = fabric.Image.filters, createClass = fabric.util.createClass; + filters.Contrast = createClass(filters.BaseFilter, { + type: "Contrast", + initialize: function(options) { + options = options || {}; + this.contrast = options.contrast || 0; + }, + applyTo: function(canvasEl) { + var context = canvasEl.getContext("2d"), imageData = context.getImageData(0, 0, canvasEl.width, canvasEl.height), data = imageData.data, contrastF = 259 * (this.contrast + 255) / (255 * (259 - this.contrast)); + for (var i = 0, len = data.length; i < len; i += 4) { + data[i] = contrastF * (data[i] - 128) + 128; + data[i + 1] = contrastF * (data[i + 1] - 128) + 128; + data[i + 2] = contrastF * (data[i + 2] - 128) + 128; + } + context.putImageData(imageData, 0, 0); + }, + toObject: function() { + return extend(this.callSuper("toObject"), { + contrast: this.contrast + }); + } + }); + fabric.Image.filters.Contrast.fromObject = function(object) { + return new fabric.Image.filters.Contrast(object); + }; +})(typeof exports !== "undefined" ? exports : this); + +(function(global) { + "use strict"; + var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, filters = fabric.Image.filters, createClass = fabric.util.createClass; + filters.Saturate = createClass(filters.BaseFilter, { + type: "Saturate", + initialize: function(options) { + options = options || {}; + this.saturate = options.saturate || 0; + this.loadProgram(); + }, + applyTo: function(canvasEl) { + var context = canvasEl.getContext("2d"), imageData = context.getImageData(0, 0, canvasEl.width, canvasEl.height), data = imageData.data, max, adjust = -this.saturate * .01; + for (var i = 0, len = data.length; i < len; i += 4) { + max = Math.max(data[i], data[i + 1], data[i + 2]); + data[i] += max !== data[i] ? (max - data[i]) * adjust : 0; + data[i + 1] += max !== data[i + 1] ? (max - data[i + 1]) * adjust : 0; + data[i + 2] += max !== data[i + 2] ? (max - data[i + 2]) * adjust : 0; + } + context.putImageData(imageData, 0, 0); + }, + toObject: function() { + return extend(this.callSuper("toObject"), { + saturate: this.saturate + }); + } + }); + fabric.Image.filters.Saturate.fromObject = function(object) { + return new fabric.Image.filters.Saturate(object); + }; +})(typeof exports !== "undefined" ? exports : this); + (function(global) { "use strict"; var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, clone = fabric.util.object.clone, toFixed = fabric.util.toFixed, NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS, MIN_TEXT_WIDTH = 2; @@ -10875,6 +10948,7 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass({ this.initRemovedHandler(); this.initCursorSelectionHandlers(); this.initDoubleClickSimulation(); + this.mouseMoveHandler = this.mouseMoveHandler.bind(this); }, initSelectedHandler: function() { this.on("selected", function() { @@ -10887,40 +10961,50 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass({ initAddedHandler: function() { var _this = this; this.on("added", function() { - if (this.canvas && !this.canvas._hasITextHandlers) { - this.canvas._hasITextHandlers = true; - this._initCanvasHandlers(); - } - if (_this.canvas) { - _this.canvas._iTextInstances = _this.canvas._iTextInstances || []; - _this.canvas._iTextInstances.push(_this); + var canvas = _this.canvas; + if (canvas) { + if (!canvas._hasITextHandlers) { + canvas._hasITextHandlers = true; + _this._initCanvasHandlers(canvas); + } + canvas._iTextInstances = canvas._iTextInstances || []; + canvas._iTextInstances.push(_this); } }); }, initRemovedHandler: function() { var _this = this; this.on("removed", function() { - if (_this.canvas) { - _this.canvas._iTextInstances = _this.canvas._iTextInstances || []; - fabric.util.removeFromArray(_this.canvas._iTextInstances, _this); + var canvas = _this.canvas; + if (canvas) { + canvas._iTextInstances = canvas._iTextInstances || []; + fabric.util.removeFromArray(canvas._iTextInstances, _this); + if (canvas._iTextInstances.length === 0) { + canvas._hasITextHandlers = false; + _this._removeCanvasHandlers(canvas); + } } }); }, - _initCanvasHandlers: function() { - var _this = this; - this.canvas.on("selection:cleared", function() { - fabric.IText.prototype.exitEditingOnOthers(_this.canvas); - }); - this.canvas.on("mouse:up", function() { - if (_this.canvas._iTextInstances) { - _this.canvas._iTextInstances.forEach(function(obj) { + _initCanvasHandlers: function(canvas) { + canvas._canvasITextSelectionClearedHanlder = function() { + fabric.IText.prototype.exitEditingOnOthers(canvas); + }.bind(this); + canvas._mouseUpITextHandler = function() { + if (canvas._iTextInstances) { + canvas._iTextInstances.forEach(function(obj) { obj.__isMousedown = false; }); } - }); - this.canvas.on("object:selected", function() { - fabric.IText.prototype.exitEditingOnOthers(_this.canvas); - }); + }.bind(this); + canvas.on("selection:cleared", canvas._canvasITextSelectionClearedHanlder); + canvas.on("object:selected", canvas._canvasITextSelectionClearedHanlder); + canvas.on("mouse:up", canvas._mouseUpITextHandler); + }, + _removeCanvasHandlers: function(canvas) { + canvas.off("selection:cleared", canvas._canvasITextSelectionClearedHanlder); + canvas.off("object:selected", canvas._canvasITextSelectionClearedHanlder); + canvas.off("mouse:up", canvas._mouseUpITextHandler); }, _tick: function() { this._currentTickState = this._animateCursor(this, 1, this.cursorDuration, "_onTickComplete"); @@ -11091,8 +11175,8 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass({ this.canvas.fire("text:editing:entered", { target: this }); - this.canvas.renderAll(); this.initMouseMoveHandler(); + this.canvas.renderAll(); return this; }, exitEditingOnOthers: function(canvas) { @@ -11106,7 +11190,7 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass({ } }, initMouseMoveHandler: function() { - this.canvas.on("mouse:move", this.mouseMoveHandler.bind(this)); + this.canvas.on("mouse:move", this.mouseMoveHandler); }, mouseMoveHandler: function(options) { if (!this.__isMousedown || !this.isEditing) { diff --git a/package.json b/package.json index cae5715c329..5aa4aea960b 100644 --- a/package.json +++ b/package.json @@ -2,7 +2,7 @@ "name": "fabric", "description": "Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.", "homepage": "http://fabricjs.com/", - "version": "1.6.5", + "version": "1.6.6", "author": "Juriy Zaytsev ", "contributors": [ { diff --git a/src/mixins/stateful.mixin.js b/src/mixins/stateful.mixin.js index f97d9505a5a..a51d2cb2f86 100644 --- a/src/mixins/stateful.mixin.js +++ b/src/mixins/stateful.mixin.js @@ -14,7 +14,11 @@ } function _isEqual(origValue, currentValue) { - if (origValue instanceof Array) { + if (!fabric.isLikelyNode && origValue instanceof Element) { + // avoid checking deep html elements + return origValue === currentValue; + } + else if (origValue instanceof Array) { if (origValue.length !== currentValue.length) { return false } diff --git a/src/util/lang_object.js b/src/util/lang_object.js index b9da32003fd..8961651afc3 100644 --- a/src/util/lang_object.js +++ b/src/util/lang_object.js @@ -1,5 +1,4 @@ (function() { - /** * Copies all enumerable properties of one object to another * @memberOf fabric.util.object @@ -7,12 +6,17 @@ * @param {Object} source Where to copy from * @return {Object} */ + function extend(destination, source, deep) { // JScript DontEnum bug is not taken care of // the deep clone is for internal use, is not meant to avoid // javascript traps or cloning html element or self referenced objects. if (deep) { - if (source instanceof Array) { + if (!fabric.isLikelyNode && source instanceof Element) { + // avoid cloning deep images, canvases, + destination = source; + } + else if (source instanceof Array) { destination = source.map(function(v) { return clone(v, deep) }) diff --git a/test/unit/object.js b/test/unit/object.js index 6b9090617cd..c3449ce9d7b 100644 --- a/test/unit/object.js +++ b/test/unit/object.js @@ -375,7 +375,6 @@ equal(boundingRect.top, 0); equal(boundingRect.width, 0); equal(boundingRect.height, 0); - cObj.set('width', 123).setCoords(); boundingRect = cObj.getBoundingRect(); equal(boundingRect.left, 0); @@ -803,19 +802,14 @@ var onChange = function(){ onChangeFired = true; }; var callbacks = { onComplete: onComplete, onChange: onChange }; - ok(typeof object.fxStraighten == 'function'); equal(object.fxStraighten(callbacks), object, 'should be chainable'); - equal(fabric.util.toFixed(object.get('angle'), 0), 43); - setTimeout(function(){ ok(onCompleteFired); ok(onChangeFired); - equal(object.get('angle'), 0, 'angle should be set to 0 by the end of animation'); equal(object.fxStraighten(), object, 'should work without callbacks'); - start(); }, 1000); });