You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@openmeetings.apache.org by so...@apache.org on 2017/10/07 10:35:31 UTC

[1/3] openmeetings git commit: [OPENMEETINGS-1714] activities panel is fixed

Repository: openmeetings
Updated Branches:
  refs/heads/master fdda80c57 -> 126e70800


[OPENMEETINGS-1714] activities panel is fixed


Project: http://git-wip-us.apache.org/repos/asf/openmeetings/repo
Commit: http://git-wip-us.apache.org/repos/asf/openmeetings/commit/e4bfd176
Tree: http://git-wip-us.apache.org/repos/asf/openmeetings/tree/e4bfd176
Diff: http://git-wip-us.apache.org/repos/asf/openmeetings/diff/e4bfd176

Branch: refs/heads/master
Commit: e4bfd176d2536d7646108e4a589c6b4391e8dec5
Parents: fdda80c
Author: Maxim Solodovnik <so...@gmail.com>
Authored: Sat Oct 7 17:34:50 2017 +0700
Committer: Maxim Solodovnik <so...@gmail.com>
Committed: Sat Oct 7 17:34:50 2017 +0700

----------------------------------------------------------------------
 .../web/room/activities/activities.js           | 44 +++++++++-----------
 .../org/apache/openmeetings/web/room/room.js    |  1 +
 2 files changed, 21 insertions(+), 24 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/openmeetings/blob/e4bfd176/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/activities/activities.js
----------------------------------------------------------------------
diff --git a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/activities/activities.js b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/activities/activities.js
index 1addb0a..47c2dbf 100644
--- a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/activities/activities.js
+++ b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/activities/activities.js
@@ -3,32 +3,10 @@ var Activities = function() {
 	const closedHeight = "20px";
 	let activities, openedHeight = "345px", inited = false;
 
-	function isInited() {
-		if (!inited) {
-			activities = $('#activities');
-			if (!!activities.resizable("instance")) {
-				inited = true;
-			}
-		}
-		return inited;
-	}
 	function isClosed() {
-		return activities.height() < 24;
+		return inited && activities.height() < 24;
 	}
 	function open() {
-		if (!isInited()) {
-			activities.resizable({
-				handles: "n, e"
-				, disabled: isClosed()
-				, alsoResize: "#activities .area"
-				, minHeight: 195
-				, minWidth: 260
-				, stop: function(event, ui) {
-					activities.css({'top': '', 'right': ''});
-					openedHeight = ui.size.height + "px";
-				}
-			});
-		}
 		if (isClosed()) {
 			$('.control.block .ui-icon', activities).removeClass('ui-icon-caret-1-n').addClass('ui-icon-caret-1-s');
 			$('.control.block', activities).removeClass('ui-state-highlight');
@@ -45,12 +23,30 @@ var Activities = function() {
 	}
 
 	return {
-		hightlight: function() {
+		init: function() {
+			if (inited) return;
+			activities = $('#activities');
+			activities.resizable({
+				handles: "n, e"
+				, disabled: isClosed()
+				, alsoResize: "#activities .area"
+				, minHeight: 195
+				, minWidth: 260
+				, stop: function(event, ui) {
+					activities.css({'top': '', 'right': ''});
+					openedHeight = ui.size.height + "px";
+				}
+			});
+			inited = true;
+		}
+		, hightlight: function() {
+			if (!inited) return;
 			if (isClosed()) {
 				$('.control.block', activities).addClass('ui-state-highlight');
 			}
 		}
 		, toggle: function() {
+			if (!inited) return;
 			if (isClosed()) {
 				open();
 			} else {

http://git-wip-us.apache.org/repos/asf/openmeetings/blob/e4bfd176/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/room.js
----------------------------------------------------------------------
diff --git a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/room.js b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/room.js
index 9a3aec3..930e381 100644
--- a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/room.js
+++ b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/room.js
@@ -534,6 +534,7 @@ var Room = (function() {
 	function _init(_options) {
 		options = _options;
 		VideoManager.init();
+		Activities.init();
 	}
 	function _getSelfAudioClient() {
 		const vw = $('#video' + Room.getOptions().uid);


[3/3] openmeetings git commit: [OPENMEETINGS-980] fabricjs is updated

Posted by so...@apache.org.
[OPENMEETINGS-980] fabricjs is updated


Project: http://git-wip-us.apache.org/repos/asf/openmeetings/repo
Commit: http://git-wip-us.apache.org/repos/asf/openmeetings/commit/126e7080
Tree: http://git-wip-us.apache.org/repos/asf/openmeetings/tree/126e7080
Diff: http://git-wip-us.apache.org/repos/asf/openmeetings/diff/126e7080

Branch: refs/heads/master
Commit: 126e70800a4d035bde1302947a802a2061379843
Parents: e4bfd17
Author: Maxim Solodovnik <so...@gmail.com>
Authored: Sat Oct 7 17:35:18 2017 +0700
Committer: Maxim Solodovnik <so...@gmail.com>
Committed: Sat Oct 7 17:35:18 2017 +0700

----------------------------------------------------------------------
 .../apache/openmeetings/web/room/wb/fabric.js   | 59 +++++++++++---------
 .../openmeetings/web/room/wb/fabric.min.js      |  2 +-
 2 files changed, 35 insertions(+), 26 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/openmeetings/blob/126e7080/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.js
----------------------------------------------------------------------
diff --git a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.js b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.js
index b2744b5..d833782 100644
--- a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.js
+++ b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.js
@@ -2,7 +2,7 @@
 /* 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: "1.7.17" };
+var fabric = fabric || { version: "1.7.19" };
 if (typeof exports !== 'undefined') {
   exports.fabric = fabric;
 }
@@ -31,7 +31,8 @@ else {
  * True when in environment that supports touch events
  * @type boolean
  */
-fabric.isTouchSupported = "ontouchstart" in fabric.document.documentElement;
+
+fabric.isTouchSupported = 'ontouchstart' in fabric.window;
 
 /**
  * True when in environment that's probably Node.js
@@ -8124,7 +8125,7 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
      * @private
      */
     _render: function() {
-      var ctx  = this.canvas.contextTop,
+      var ctx  = this.canvas.contextTop, i, len,
           v = this.canvas.viewportTransform,
           p1 = this._points[0],
           p2 = this._points[1];
@@ -8138,12 +8139,15 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
       //then we should be drawing a dot. A path isn't drawn between two identical dots
       //that's why we set them apart a bit
       if (this._points.length === 2 && p1.x === p2.x && p1.y === p2.y) {
-        p1.x -= 0.5;
-        p2.x += 0.5;
+        var width = this.width / 1000;
+        p1 = new fabric.Point(p1.x, p1.y);
+        p2 = new fabric.Point(p2.x, p2.y);
+        p1.x -= width;
+        p2.x += width;
       }
       ctx.moveTo(p1.x, p1.y);
 
-      for (var i = 1, len = this._points.length; i < len; i++) {
+      for (i = 1, len = this._points.length; i < len; i++) {
         // we pick the point between pi + 1 & pi + 2 as the
         // end point and p1 as our control point.
         var midPoint = p1.midPointFrom(p2);
@@ -8166,23 +8170,26 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
      * @return {String} SVG path
      */
     convertPointsToSVGPath: function(points) {
-      var path = [],
+      var path = [], i, width = this.width / 1000,
           p1 = new fabric.Point(points[0].x, points[0].y),
-          p2 = new fabric.Point(points[1].x, points[1].y);
-
-      path.push('M ', points[0].x, ' ', points[0].y, ' ');
-      for (var i = 1, len = points.length; i < len; i++) {
-        var midPoint = p1.midPointFrom(p2);
-        // p1 is our bezier control point
-        // midpoint is our endpoint
-        // start point is p(i-1) value.
-        path.push('Q ', p1.x, ' ', p1.y, ' ', midPoint.x, ' ', midPoint.y, ' ');
-        p1 = new fabric.Point(points[i].x, points[i].y);
+          p2 = new fabric.Point(points[1].x, points[1].y),
+          len = points.length;
+
+      path.push('M ', p1.x - width, ' ', p1.y, ' ');
+      for (i = 1; i < len; i++) {
+        if (!p1.eq(p2)) {
+          var midPoint = p1.midPointFrom(p2);
+          // p1 is our bezier control point
+          // midpoint is our endpoint
+          // start point is p(i-1) value.
+          path.push('Q ', p1.x, ' ', p1.y, ' ', midPoint.x, ' ', midPoint.y, ' ');
+        }
+        p1 = points[i];
         if ((i + 1) < points.length) {
-          p2 = new fabric.Point(points[i + 1].x, points[i + 1].y);
+          p2 = points[i + 1];
         }
       }
-      path.push('L ', p1.x, ' ', p1.y, ' ');
+      path.push('L ', p1.x + width, ' ', p1.y, ' ');
       return path;
     },
 
@@ -8199,10 +8206,11 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
         strokeLineCap: this.strokeLineCap,
         strokeLineJoin: this.strokeLineJoin,
         strokeDashArray: this.strokeDashArray,
-        originX: 'center',
-        originY: 'center'
       });
-
+      var position = new fabric.Point(path.left + path.width / 2, path.top + path.height / 2);
+      position = path.translateToGivenOrigin(position, 'center', 'center', path.originX, path.originY);
+      path.top = position.y;
+      path.left = position.x;
       if (this.shadow) {
         this.shadow.affectStroke = true;
         path.setShadow(this.shadow);
@@ -9505,12 +9513,13 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
       var dist = localMouse.y + localMouse.x,
           lastDist = _dim.y * transform.original.scaleY / target.scaleY +
                      _dim.x * transform.original.scaleX / target.scaleX,
-          scaled;
+          scaled, signX = localMouse.x / Math.abs(localMouse.x),
+          signY = localMouse.y / Math.abs(localMouse.y);
 
       // We use transform.scaleX/Y instead of target.scaleX/Y
       // because the object may have a min scale and we'll loose the proportions
-      transform.newScaleX = transform.original.scaleX * dist / lastDist;
-      transform.newScaleY = transform.original.scaleY * dist / lastDist;
+      transform.newScaleX = signX * Math.abs(transform.original.scaleX * dist / lastDist);
+      transform.newScaleY = signY * Math.abs(transform.original.scaleY * dist / lastDist);
       scaled = transform.newScaleX !== target.scaleX || transform.newScaleY !== target.scaleY;
       target.set('scaleX', transform.newScaleX);
       target.set('scaleY', transform.newScaleY);


[2/3] openmeetings git commit: [OPENMEETINGS-980] fabricjs is updated

Posted by so...@apache.org.
http://git-wip-us.apache.org/repos/asf/openmeetings/blob/126e7080/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.min.js
----------------------------------------------------------------------
diff --git a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.min.js b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.min.js
index 6149d34..39c5b8c 100644
--- a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.min.js
+++ b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/fabric.min.js
@@ -1,2 +1,2 @@
 /* Licensed MIT https://github.com/kangax/fabric.js/blob/master/LICENSE */
-var fabric=fabric||{version:"1.7.17"};"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(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E")),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.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="can
 vas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,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<n;r++)i[r]&&i[r].call(this,e||{
 });return this.__eventListeners[t]=i.filter(function(t){return!1!==t}),this}}}fabric.Observable={observe:e,stopObserving:i,fire:r,on:e,off:i,trigger:r}}(),fabric.Collection={_objects:[],add:function(){if(this._objects.push.apply(this._objects,arguments),this._onObjectAdded)for(var t=0,e=arguments.length;t<e;t++)this._onObjectAdded(arguments[t]);return this.renderOnAddRemove&&this.renderAll(),this},insertAt:function(t,e,i){var r=this.getObjects();return i?r[e]=t:r.splice(e,0,t),this._onObjectAdded&&this._onObjectAdded(t),this.renderOnAddRemove&&this.renderAll(),this},remove:function(){for(var t,e=this.getObjects(),i=!1,r=0,n=arguments.length;r<n;r++)-1!==(t=e.indexOf(arguments[r]))&&(i=!0,e.splice(t,1),this._onObjectRemoved&&this._onObjectRemoved(arguments[r]));return this.renderOnAddRemove&&i&&this.renderAll(),this},forEachObject:function(t,e){for(var i=this.getObjects(),r=0,n=i.length;r<n;r++)t.call(e,i[r],r,i);return this},getObjects:function(t){return void 0===t?this._objects:thi
 s._objects.filter(function(e){return e.type===t})},item:function(t){return this.getObjects()[t]},isEmpty:function(){return 0===this.getObjects().length},size:function(){return this.getObjects().length},contains:function(t){return this.getObjects().indexOf(t)>-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);void 0!==e&&(this.clipTo=new Function("ctx",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,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},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-1!==i&&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);return{x:t.x*r-t.y*i,y:t.x*i+t.y*r}},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.a
 rray.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);return{left:i,top:o,width:n,height:Math.abs(o-a)}},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.leng
 th,s=t||fabric.window;for(i=0;i<n;++i)s=s[r[i]];return s},loadImage:function(t,e,i,r){if(t){var n=fabric.util.createImage();n.onload=function(){e&&e.call(i,n),n=n.onload=n.onerror=null},n.onerror=function(){fabric.log("Error loading "+n.src),e&&e.call(i,null,!0),n=n.onload=n.onerror=null},0!==t.indexOf("data")&&r&&(n.crossOrigin=r),n.src=t}else e&&e.call(i,t)},enlivenObjects:function(t,e,i,r){function n(){++o===a&&e&&e(s)}var s=[],o=0,a=(t=t||[]).length;a?t.forEach(function(t,e){t&&t.type?fabric.util.getKlass(t.type,i).fromObject(t,function(i,o){o||(s[e]=i),r&&r(t,i,o),n()},!0):n()}):e&&e(s)},enlivenPatterns:function(t,e){function i(){++n===s&&e&&e(r)}var r=[],n=0,s=(t=t||[]).length;s?t.forEach(function(t,e){t&&t.source?new fabric.Pattern(t,function(t){r[e]=t,i()}):(r[e]=t,i())}):e&&e(r)},groupSVGElements:function(t,e,i){var r;return r=new fabric.PathGroup(t,e),void 0!==i&&(r.sourcePath=i),r},populateWithProperties:function(t,e,i){if(i&&"[object Array]"===Object.prototype.toString.c
 all(i))for(var r=0,n=i.length;r<n;r++)i[r]in t&&(e[i[r]]=t[i[r]])},drawDashedLine:function(t,r,n,s,o,a){var h=s-r,c=o-n,l=e(h*h+c*c),u=i(c,h),f=a.length,d=0,g=!0;for(t.save(),t.translate(r,n),t.moveTo(0,0),t.rotate(u),r=0;l>r;)(r+=a[d++%f])>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--;)n="set"+(r=(i=o.stateProperties[e]).charAt(0).toUpperCase()+i.slice(1)),o[s="get"+r]||(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.cl
 ip()},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;n<h&&(s=a.data[n],!1!==(o=s<=0));n+=4);return a=null,o},parsePreserveAspectRatioAttribute:function(t){var e,i
 ="meet",r="Mid",n="Mid",s=t.split(" ");return s&&s.length&&("meet"!==(i=s.pop())&&"slice"!==i?(e=i,i="meet"):s.length&&(e=s.pop())),r="none"!==e?e.slice(1,4):"none",n="none"!==e?e.slice(5,8):"none",{meetOrSlice:i,alignX:r,alignY:n}},clearFabricFontCache:function(t){t?fabric.charWidthsCache[t]&&delete fabric.charWidthsCache[t]:fabric.charWidthsCache={}},limitDimsByArea:function(t,e){var i=Math.sqrt(e*t),r=Math.floor(e/i);return{x:Math.floor(i),y:r}},capValue:function(t,e,i){return Math.max(t,Math.min(e,i))}}}("undefined"!=typeof exports?exports:this),function(){function t(t,r,s,o,h,c,l){var u=a.call(arguments);if(n[u])return n[u];var f=Math.PI,d=l*f/180,g=Math.sin(d),p=Math.cos(d),v=0,b=0,m=-p*t*.5-g*r*.5,_=-p*r*.5+g*t*.5,y=(s=Math.abs(s))*s,x=(o=Math.abs(o))*o,C=_*_,S=m*m,w=y*x-y*C-x*S,O=0;if(w<0){var T=Math.sqrt(1-w/(y*x));s*=T,o*=T}else O=(h===c?-1:1)*Math.sqrt(w/(y*C+x*S));var j=O*s*_/o,k=-O*o*m/s,M=p*j-g*k+.5*t,D=g*j+p*k+.5*r,P=i(1,0,(m-j)/s,(_-k)/o),A=i((m-j)/s,(_-k)/o,(-m-j)/s
 ,(-_-k)/o);0===c&&A>0?A-=2*f:1===c&&A<0&&(A+=2*f);for(var E=Math.ceil(Math.abs(A/f*2)),I=[],L=A/E,F=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),B=P+L,R=0;R<E;R++)I[R]=e(P,B,p,g,s,o,M,D,F,v,b),v=I[R][4],b=I[R][5],P=B,B+=L;return n[u]=I,I}function e(t,e,i,r,n,o,h,c,l,u,f){var d=a.call(arguments);if(s[d])return s[d];var g=Math.cos(t),p=Math.sin(t),v=Math.cos(e),b=Math.sin(e),m=i*n*v-r*o*b+h,_=r*n*v+i*o*b+c,y=u+l*(-i*n*p-r*o*g),x=f+l*(-r*n*p+i*o*g),C=m+l*(i*n*b+r*o*v),S=_+l*(r*n*b-i*o*v);return s[d]=[y,x,C,S,m,_],s[d]}function i(t,e,i,r){var n=Math.atan2(e,t),s=Math.atan2(r,i);return s>=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,_=Math.sqrt,y=Math.min,x=Math.max,C=Math.abs,S=[],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),C(u)<1e-12){if(C(f)<1e-12)continue;0<(g=-d/f)&&g<1&&S.push(g)}else(b=f*f-4*d*u)<0||(0<(p=(-f+(m=_(b)))/(2*u))&&p<
 1&&S.push(p),0<(v=(-f-m)/(2*u))&&v<1&&S.push(v));for(var T,j,k,M=S.length,D=M;M--;)T=(k=1-(g=S[M]))*k*k*t+3*k*k*g*i+3*k*g*g*n+g*g*g*h,w[0][M]=T,j=k*k*k*e+3*k*k*g*r+3*k*g*g*s+g*g*g*c,w[1][M]=j;w[0][D]=t,w[1][D]=e,w[0][D+1]=h,w[1][D+1]=c;var P=[{x:y.apply(null,w[0]),y:y.apply(null,w[1])},{x:x.apply(null,w[0]),y:x.apply(null,w[1])}];return o[l]=P,P}var n={},s={},o={},a=Array.prototype.join;fabric.util.drawArc=function(e,i,r,n){for(var s=n[0],o=n[1],a=n[2],h=n[3],c=n[4],l=[[],[],[],[]],u=t(n[5]-i,n[6]-r,s,o,h,c,a),f=0,d=u.length;f<d;f++)l[f][0]=u[f][0]+i,l[f][1]=u[f][1]+r,l[f][2]=u[f][2]+i,l[f][3]=u[f][3]+r,l[f][4]=u[f][4]+i,l[f][5]=u[f][5]+r,e.bezierCurveTo.apply(e,l[f])},fabric.util.getBoundsOfArc=function(e,i,n,s,o,a,h,c,l){for(var u,f=0,d=0,g=[],p=t(c-e,l-i,n,s,a,h,o),v=0,b=p.length;v<b;v++)u=r(f,d,p[v][0],p[v][1],p[v][2],p[v][3],p[v][4],p[v][5]),g.push({x:u[0].x+e,y:u[0].y+i}),g.push({x:u[1].x+e,y:u[1].y+i}),f=p[v][4],d=p[v][5];return g},fabric.util.getBoundsOfCurve=r}(),function()
 {function t(t,e,i){if(t&&0!==t.length){var r=t.length-1,n=e?t[r][e]:t[r];if(e)for(;r--;)i(t[r][e],n)&&(n=t[r][e]);else for(;r--;)i(t[r],n)&&(n=t[r]);return n}}var e=Array.prototype.slice;Array.prototype.indexOf||(Array.prototype.indexOf=function(t){if(void 0===this||null===this)throw new TypeError;var e=Object(this),i=e.length>>>0;if(0===i)return-1;var r=0;if(arguments.length>0&&((r=Number(arguments[1]))!==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<i;n++)if(n in e&&e[n]===t)return n;return-1}),Array.prototype.forEach||(Array.prototype.forEach=function(t,e){for(var i=0,r=this.length>>>0;i<r;i++)i in this&&t.call(e,this[i],i,this)}),Array.prototype.map||(Array.prototype.map=function(t,e){for(var i=[],r=0,n=this.length>>>0;r<n;r++)r in this&&(i[r]=t.call(e,this[r],r,this));return i}),Array.prototype.every||(Array.prototype.every=function(t,e){for(var i=0,r=thi
 s.length>>>0;i<r;i++)if(i in this&&!t.call(e,this[i],i,this))return!1;return!0}),Array.prototype.some||(Array.prototype.some=function(t,e){for(var i=0,r=this.length>>>0;i<r;i++)if(i in this&&t.call(e,this[i],i,this))return!0;return!1}),Array.prototype.filter||(Array.prototype.filter=function(t,e){for(var i,r=[],n=0,s=this.length>>>0;n<s;n++)n in this&&(i=this[n],t.call(e,i,n,this)&&r.push(i));return r}),Array.prototype.reduce||(Array.prototype.reduce=function(t){var e,i=this.length>>>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 TypeError}for(;r<i;r++)r in this&&(e=t.call(null,e,this[r],r,this));return e}),fabric.util.array={fill:function(t,e){for(var i=t.length;i--;)t[i]=e;return t},invoke:function(t,i){for(var r=e.call(arguments,2),n=[],s=0,o=t.length;s<o;s++)n[s]=r.length?t[s][i].apply(t[s],r):t[s][i].call(t[s]);return n},min:function(e,i){return t(e,i,function(t,e){return t<e})},max:function(e,i){return t(e,i,function
 (t,e){return t>=e})}}}(),function(){function t(e,i,r){if(r)if(!fabric.isLikelyNode&&i instanceof Element)e=i;else if(i instanceof Array){e=[];for(var n=0,s=i.length;n<s;n++)e[n]=t({},i[n],r)}else if(i&&"object"==typeof i)for(var o in i)i.hasOwnProperty(o)&&(e[o]=t({},i[o],r));else e=i;else for(var o in i)e[o]=i[o];return e}fabric.util.object={extend:t,clone:function(e,i){return t({},e,i)}}}(),function(){String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\xA0]+/,"").replace(/[\s\xA0]+$/,"")}),fabric.util.string={camelize:function(t){return t.replace(/-+(.)?/g,function(t,e){return e?e.toUpperCase():""})},capitalize:function(t,e){return t.charAt(0).toUpperCase()+(e?t.slice(1):t.slice(1).toLowerCase())},escapeXml:function(t){return t.replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&apos;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}}}(),function(){var t=Array.prototype.slice,e=Function.prototype.apply,i=function(){};Function.prototype.bind||(Func
 tion.prototype.bind=function(r){var n,s=this,o=t.call(arguments,1);return n=o.length?function(){return e.call(s,this instanceof i?this:r,o.concat(t.call(arguments)))}:function(){return e.call(s,this instanceof i?this:r,arguments)},i.prototype=this.prototype,n.prototype=new i,n})}(),function(){function t(){}function e(t){for(var e=null,r=this;r.constructor.superclass;){var n=r.constructor.superclass.prototype[t];if(r[t]!==n){e=n;break}r=r.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,i.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}var i=Array.prototype.slice,r=function(){},n=function(){for(var t in{toString:1})if("toString"===t)return!1;return!0}(),s=function(t,e,i){for(var r in e)r in t.prototype&&"function"==typeof t.prototype[r]&&(e[r]+"").indexOf("callSuper")>-1?t.prototype[r]=function(t){return function(){var r=this.constructor.superclass;this.constructor.superclass=i;var n=e[t].apply
 (this,arguments);if(this.constructor.superclass=r,"initialize"!==t)return n}}(r):t.prototype[r]=e[r],n&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};fabric.util.createClass=function(){function n(){this.initialize.apply(this,arguments)}var o=null,a=i.call(arguments,0);"function"==typeof a[0]&&(o=a.shift()),n.superclass=o,n.subclasses=[],o&&(t.prototype=o.prototype,n.prototype=new t,o.subclasses.push(n));for(var h=0,c=a.length;h<c;h++)s(n,a[h],o);return n.prototype.initialize||(n.prototype.initialize=r),n.prototype.constructor=n,n.prototype.callSuper=e,n}}(),function(){function t(t){var e,i,r=Array.prototype.slice.call(arguments,1),n=r.length;for(i=0;i<n;i++)if(e=typeof t[r[i]],!/^(?:function|object|unknown)$/.test(e))return!1;return!0}function e(t,e){return{handler:e,wrappedHandler:i(t,e)}}function i(t,e){return function(i){e.call(s(t),i||fabric.window.event)}}function r(t,e){return 
 function(i){if(g[t]&&g[t][e])for(var r=g[t][e],n=0,s=r.length;n<s;n++)r[n].call(this,i||fabric.window.event)}}function n(t,e,i){var r="touchend"===t.type?"changedTouches":"touches";return t[r]&&t[r][0]?t[r][0][e]-(t[r][0][e]-t[r][0][i])||t[i]:t[i]}var s,o,a="unknown",h=function(){var t=0;return function(e){return e.__uniqueID||(e.__uniqueID="uniqueID__"+t++)}}();!function(){var t={};s=function(e){return t[e]},o=function(e,i){t[e]=i}}();var c,l,u=t(fabric.document.documentElement,"addEventListener","removeEventListener")&&t(fabric.window,"addEventListener","removeEventListener"),f=t(fabric.document.documentElement,"attachEvent","detachEvent")&&t(fabric.window,"attachEvent","detachEvent"),d={},g={};u?(c=function(t,e,i,r){t&&t.addEventListener(e,i,!f&&r)},l=function(t,e,i,r){t&&t.removeEventListener(e,i,!f&&r)}):f?(c=function(t,i,r){if(t){var n=h(t);o(n,t),d[n]||(d[n]={}),d[n][i]||(d[n][i]=[]);var s=e(n,r);d[n][i].push(s),t.attachEvent("on"+i,s.wrappedHandler)}},l=function(t,e,i){if(t)
 {var r,n=h(t);if(d[n]&&d[n][e])for(var s=0,o=d[n][e].length;s<o;s++)(r=d[n][e][s])&&r.handler===i&&(t.detachEvent("on"+e,r.wrappedHandler),d[n][e][s]=null)}}):(c=function(t,e,i){if(t){var n=h(t);if(g[n]||(g[n]={}),!g[n][e]){g[n][e]=[];var s=t["on"+e];s&&g[n][e].push(s),t["on"+e]=r(n,e)}g[n][e].push(i)}},l=function(t,e,i){if(t){var r=h(t);if(g[r]&&g[r][e])for(var n=g[r][e],s=0,o=n.length;s<o;s++)n[s]===i&&n.splice(s,1)}}),fabric.util.addListener=c,fabric.util.removeListener=l;var p=function(t){return typeof t.clientX!==a?t.clientX:0},v=function(t){return typeof t.clientY!==a?t.clientY:0};fabric.isTouchSupported&&(p=function(t){return n(t,"pageX","clientX")},v=function(t){return n(t,"pageY","clientY")}),fabric.util.getPointer=function(t){t||(t=fabric.window.event);var e=t.target||(typeof t.srcElement!==a?t.srcElement:null),i=fabric.util.getScrollLeftTop(e);return{x:p(t)+i.left,y:v(t)+i.top}},fabric.util.object.extend(fabric.util,fabric.Observable)}(),function(){var t=fabric.document.c
 reateElement("div"),e="string"==typeof t.style.opacity,i="string"==typeof t.style.filter,r=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,n=function(t){return t};e?n=function(t,e){return t.style.opacity=e,t}:i&&(n=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),r.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(r,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=function(t,e){var i=t.style;if(!i)return t;if("string"==typeof e)return t.style.cssText+=";"+e,e.indexOf("opacity")>-1?n(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)"opacity"===r?n(t,e[r]):i["float"===r||"cssFloat"===r?void 0===i.styleFloat?"cssFloat":"styleFloat":r]=e[r];return t}}(),function(){function t(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function e(t){for(var e=0,i=0,r=fabric.document.documentElement,n=fabric.document
 .body||{scrollLeft:0,scrollTop:0};t&&(t.parentNode||t.host)&&((t=t.parentNode||t.host)===fabric.document?(e=n.scrollLeft||r.scrollLeft||0,i=n.scrollTop||r.scrollTop||0):(e+=t.scrollLeft||0,i+=t.scrollTop||0),1!==t.nodeType||"fixed"!==fabric.util.getElementStyle(t,"position")););return{left:e,top:i}}var i,r=Array.prototype.slice,n=function(t){return r.call(t,0)};try{i=n(fabric.document.childNodes)instanceof Array}catch(t){}i||(n=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var s;s=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){var t=fabric.document.documentElement.style,e="userSelect"in t?"userSelect":"MozUserSelect"in t?"MozUserSelect":"WebkitUserSelect"in t?"WebkitUserSelect":"KhtmlUserSelect"in t?"KhtmlUserSelect":"";fabric.util.makeEle
 mentUnselectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),e?t.style[e]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t},fabric.util.makeElementSelectable=function(t){return void 0!==t.onselectstart&&(t.onselectstart=null),e?t.style[e]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}}(),function(){fabric.util.getScript=function(t,e){var i=fabric.document.getElementsByTagName("head")[0],r=fabric.document.createElement("script"),n=!0;r.onload=r.onreadystatechange=function(t){if(n){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;n=!1,e(t||fabric.window.event),r=r.onload=r.onreadystatechange=null}},r.src=t,i.appendChild(r)}}(),fabric.util.getById=function(t){return"string"==typeof t?fabric.document.getElementById(t):t},fabric.util.toArray=n,fabric.util.makeElement=t,fabric.util.addClass=function(t,e){t&&-1===(" "+t.className+" ").indexOf(" "+e+" ")&&(t.className+
 =(t.className?" ":"")+e)},fabric.util.wrapElement=function(e,i,r){return"string"==typeof i&&(i=t(i,r)),e.parentNode&&e.parentNode.replaceChild(i,e),i.appendChild(e),i},fabric.util.getScrollLeftTop=e,fabric.util.getElementOffset=function(t){var i,r,n=t&&t.ownerDocument,o={left:0,top:0},a={left:0,top:0},h={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!n)return a;for(var c in h)a[h[c]]+=parseInt(s(t,c),10)||0;return i=n.documentElement,void 0!==t.getBoundingClientRect&&(o=t.getBoundingClientRect()),r=e(t),{left:o.left+r.left-(i.clientLeft||0)+a.left,top:o.top+r.top-(i.clientTop||0)+a.top}},fabric.util.getElementStyle=s}(),function(){function t(t,e){return t+(/\?/.test(t)?"&":"?")+e}function e(){}var i=function(){for(var t=[function(){return new ActiveXObject("Microsoft.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP.3.0")},function(){return new XMLHttpRequest}],e=t.length;e--;)t
 ry{if(t[e]())return t[e]}catch(t){}}();fabric.util.request=function(r,n){n||(n={});var s=n.method?n.method.toUpperCase():"GET",o=n.onComplete||function(){},a=i(),h=n.body||n.parameters;return a.onreadystatechange=function(){4===a.readyState&&(o(a),a.onreadystatechange=e)},"GET"===s&&(h=null,"string"==typeof n.parameters&&(r=t(r,n.parameters))),a.open(s,r,!0),"POST"!==s&&"PUT"!==s||a.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),a.send(h),a}}(),fabric.log=function(){},fabric.warn=function(){},"undefined"!=typeof console&&["log","warn"].forEach(function(t){void 0!==console[t]&&"function"==typeof console[t].apply&&(fabric[t]=function(){return console[t].apply(console,arguments)})}),function(){function t(){return!1}function e(){return i.apply(fabric.window,arguments)}var i=fabric.window.requestAnimationFrame||fabric.window.webkitRequestAnimationFrame||fabric.window.mozRequestAnimationFrame||fabric.window.oRequestAnimationFrame||fabric.window.msRequestAnimationFram
 e||function(t){fabric.window.setTimeout(t,1e3/60)};fabric.util.animate=function(i){e(function(r){i||(i={});var n,s=r||+new Date,o=i.duration||500,a=s+o,h=i.onChange||t,c=i.abort||t,l=i.onComplete||t,u=i.easing||function(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e},f="startValue"in i?i.startValue:0,d="endValue"in i?i.endValue:100,g=i.byValue||d-f;i.onStart&&i.onStart(),function t(r){if(c())l(d,1,1);else{var p=(n=r||+new Date)>a?o:n-s,v=p/o,b=u(p,f,g,o),m=Math.abs((b-f)/g);h(b,m,v),n>a?i.onComplete&&i.onComplete():e(t)}}(s)})},fabric.util.requestAnimFrame=e}(),function(){function t(t,e,i){var r="rgba("+parseInt(t[0]+i*(e[0]-t[0]),10)+","+parseInt(t[1]+i*(e[1]-t[1]),10)+","+parseInt(t[2]+i*(e[2]-t[2]),10);return r+=","+(t&&e?parseFloat(t[3]+i*(e[3]-t[3])):1),r+=")"}fabric.util.animateColor=function(e,i,r,n){var s=new fabric.Color(e).getSource(),o=new fabric.Color(i).getSource();n=n||{},fabric.util.animate(fabric.util.object.extend(n,{duration:r||500,startValue:s,endValue:o,byValue:
 o,easing:function(e,i,r,s){return t(i,r,n.colorEasing?n.colorEasing(e,s):1-Math.cos(e/s*(Math.PI/2)))}}))}}(),function(){function t(t,e,i,r){return t<Math.abs(e)?(t=e,r=i/4):r=0===e&&0===t?i/(2*Math.PI)*Math.asin(1):i/(2*Math.PI)*Math.asin(e/t),{a:t,c:e,p:i,s:r}}function e(t,e,i){return t.a*Math.pow(2,10*(e-=1))*Math.sin((e*i-t.s)*(2*Math.PI)/t.p)}function i(t,e,i,n){return i-r(n-t,0,i,n)+e}function r(t,e,i,r){return(t/=r)<1/2.75?i*(7.5625*t*t)+e:t<2/2.75?i*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?i*(7.5625*(t-=2.25/2.75)*t+.9375)+e:i*(7.5625*(t-=2.625/2.75)*t+.984375)+e}fabric.util.ease={easeInQuad:function(t,e,i,r){return i*(t/=r)*t+e},easeOutQuad:function(t,e,i,r){return-i*(t/=r)*(t-2)+e},easeInOutQuad:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t+e:-i/2*(--t*(t-2)-1)+e},easeInCubic:function(t,e,i,r){return i*(t/=r)*t*t+e},easeOutCubic:function(t,e,i,r){return i*((t=t/r-1)*t*t+1)+e},easeInOutCubic:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t+e:i/2*((t-=2)*t*t+2)+e},easeInQuart:func
 tion(t,e,i,r){return i*(t/=r)*t*t*t+e},easeOutQuart:function(t,e,i,r){return-i*((t=t/r-1)*t*t*t-1)+e},easeInOutQuart:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t*t+e:-i/2*((t-=2)*t*t*t-2)+e},easeInQuint:function(t,e,i,r){return i*(t/=r)*t*t*t*t+e},easeOutQuint:function(t,e,i,r){return i*((t=t/r-1)*t*t*t*t+1)+e},easeInOutQuint:function(t,e,i,r){return(t/=r/2)<1?i/2*t*t*t*t*t+e:i/2*((t-=2)*t*t*t*t+2)+e},easeInSine:function(t,e,i,r){return-i*Math.cos(t/r*(Math.PI/2))+i+e},easeOutSine:function(t,e,i,r){return i*Math.sin(t/r*(Math.PI/2))+e},easeInOutSine:function(t,e,i,r){return-i/2*(Math.cos(Math.PI*t/r)-1)+e},easeInExpo:function(t,e,i,r){return 0===t?e:i*Math.pow(2,10*(t/r-1))+e},easeOutExpo:function(t,e,i,r){return t===r?e+i:i*(1-Math.pow(2,-10*t/r))+e},easeInOutExpo:function(t,e,i,r){return 0===t?e:t===r?e+i:(t/=r/2)<1?i/2*Math.pow(2,10*(t-1))+e:i/2*(2-Math.pow(2,-10*--t))+e},easeInCirc:function(t,e,i,r){return-i*(Math.sqrt(1-(t/=r)*t)-1)+e},easeOutCirc:function(t,e,i,r){return i*Mat
 h.sqrt(1-(t=t/r-1)*t)+e},easeInOutCirc:function(t,e,i,r){return(t/=r/2)<1?-i/2*(Math.sqrt(1-t*t)-1)+e:i/2*(Math.sqrt(1-(t-=2)*t)+1)+e},easeInElastic:function(i,r,n,s){var o=0,a=n;return 0===i?r:1==(i/=s)?r+n:(o||(o=.3*s),-e(t(a,n,o,1.70158),i,s)+r)},easeOutElastic:function(e,i,r,n){var s=0,o=r;if(0===e)return i;if(1==(e/=n))return i+r;s||(s=.3*n);var a=t(o,r,s,1.70158);return a.a*Math.pow(2,-10*e)*Math.sin((e*n-a.s)*(2*Math.PI)/a.p)+a.c+i},easeInOutElastic:function(i,r,n,s){var o=0,a=n;if(0===i)return r;if(2==(i/=s/2))return r+n;o||(o=s*(.3*1.5));var h=t(a,n,o,1.70158);return i<1?-.5*e(h,i,s)+r:h.a*Math.pow(2,-10*(i-=1))*Math.sin((i*s-h.s)*(2*Math.PI)/h.p)*.5+h.c+r},easeInBack:function(t,e,i,r,n){return void 0===n&&(n=1.70158),i*(t/=r)*t*((n+1)*t-n)+e},easeOutBack:function(t,e,i,r,n){return void 0===n&&(n=1.70158),i*((t=t/r-1)*t*((n+1)*t+n)+1)+e},easeInOutBack:function(t,e,i,r,n){return void 0===n&&(n=1.70158),(t/=r/2)<1?i/2*(t*t*((1+(n*=1.525))*t-n))+e:i/2*((t-=2)*t*((1+(n*=1.525))
 *t+n)+2)+e},easeInBounce:i,easeOutBounce:r,easeInOutBounce:function(t,e,n,s){return t<s/2?.5*i(2*t,0,n,s)+e:.5*r(2*t-s,0,n,s)+.5*n+e}}}(),function(t){"use strict";function e(t){return t in O?O[t]:t}function i(t,e,i,r){var n,s="[object Array]"===Object.prototype.toString.call(e);return"fill"!==t&&"stroke"!==t||"none"!==e?"strokeDashArray"===t?e="none"===e?null:e.replace(/,/g," ").split(/\s+/).map(function(t){return parseFloat(t)}):"transformMatrix"===t?e=i&&i.transformMatrix?y(i.transformMatrix,p.parseTransformAttribute(e)):p.parseTransformAttribute(e):"visible"===t?(e="none"!==e&&"hidden"!==e,i&&!1===i.visible&&(e=!1)):"opacity"===t?(e=parseFloat(e),i&&void 0!==i.opacity&&(e*=i.opacity)):"originX"===t?e="start"===e?"left":"end"===e?"right":"center":n=s?e.map(_):_(e,r):e="",!s&&isNaN(n)?e:n}function r(t){for(var e in T)if(void 0!==t[T[e]]&&""!==t[e]){if(void 0===t[e]){if(!p.Object.prototype[e])continue;t[e]=p.Object.prototype[e]}if(0!==t[e].indexOf("url(")){var i=new p.Color(t[e]);t[
 e]=i.setAlpha(m(i.getAlpha()*t[T[e]],2)).toRgba()}}return t}function n(t,e){for(var i,r,n=[],s=0;s<e.length;s++)i=e[s],r=t.getElementsByTagName(i),n=n.concat(Array.prototype.slice.call(r));return n}function s(t,e){var i,r;t.replace(/;\s*$/,"").split(";").forEach(function(t){var n=t.split(":");i=n[0].trim().toLowerCase(),r=n[1].trim(),e[i]=r})}function o(t,e){var i,r;for(var n in t)void 0!==t[n]&&(i=n.toLowerCase(),r=t[n],e[i]=r)}function a(t,e){var i={};for(var r in p.cssRules[e])if(h(t,r.split(" ")))for(var n in p.cssRules[e][r])i[n]=p.cssRules[e][r][n];return i}function h(t,e){var i,r=!0;return(i=l(t,e.pop()))&&e.length&&(r=c(t,e)),i&&r&&0===e.length}function c(t,e){for(var i,r=!0;t.parentNode&&1===t.parentNode.nodeType&&e.length;)r&&(i=e.pop()),r=l(t=t.parentNode,i);return 0===e.length}function l(t,e){var i,r=t.nodeName,n=t.getAttribute("class"),s=t.getAttribute("id");if(i=new RegExp("^"+r,"i"),e=e.replace(i,""),s&&e.length&&(i=new RegExp("#"+s+"(?![a-zA-Z\\-]+)","i"),e=e.replace
 (i,"")),n&&e.length)for(var o=(n=n.split(" ")).length;o--;)i=new RegExp("\\."+n[o]+"(?![a-zA-Z\\-]+)","i"),e=e.replace(i,"");return 0===e.length}function u(t,e){var i;if(t.getElementById&&(i=t.getElementById(e)),i)return i;var r,n,s=t.getElementsByTagName("*");for(n=0;n<s.length;n++)if(r=s[n],e===r.getAttribute("id"))return r}function f(t){for(var e=n(t,["use","svg:use"]),i=0;e.length&&i<e.length;){var r,s,o,a,h=e[i],c=h.getAttribute("xlink:href").substr(1),l=h.getAttribute("x")||0,f=h.getAttribute("y")||0,g=u(t,c).cloneNode(!0),p=(g.getAttribute("transform")||"")+" translate("+l+", "+f+")",v=e.length;if(d(g),/^svg$/i.test(g.nodeName)){var b=g.ownerDocument.createElement("g");for(s=0,a=(o=g.attributes).length;s<a;s++)r=o.item(s),b.setAttribute(r.nodeName,r.nodeValue);for(;g.firstChild;)b.appendChild(g.firstChild);g=b}for(s=0,a=(o=h.attributes).length;s<a;s++)"x"!==(r=o.item(s)).nodeName&&"y"!==r.nodeName&&"xlink:href"!==r.nodeName&&("transform"===r.nodeName?p=r.nodeValue+" "+p:g.set
 Attribute(r.nodeName,r.nodeValue));g.setAttribute("transform",p),g.setAttribute("instantiated_by_use","1"),g.removeAttribute("id"),h.parentNode.replaceChild(g,h),e.length===v&&i++}}function d(t){var e,i,r,n,s=t.getAttribute("viewBox"),o=1,a=1,h=0,c=0,l=t.getAttribute("width"),u=t.getAttribute("height"),f=t.getAttribute("x")||0,d=t.getAttribute("y")||0,g=t.getAttribute("preserveAspectRatio")||"",v=!s||!C.test(t.nodeName)||!(s=s.match(j)),b=!l||!u||"100%"===l||"100%"===u,m=v&&b,y={},x="";if(y.width=0,y.height=0,y.toBeParsed=m,m)return y;if(v)return y.width=_(l),y.height=_(u),y;if(h=-parseFloat(s[1]),c=-parseFloat(s[2]),e=parseFloat(s[3]),i=parseFloat(s[4]),b?(y.width=e,y.height=i):(y.width=_(l),y.height=_(u),o=y.width/e,a=y.height/i),"none"!==(g=p.util.parsePreserveAspectRatioAttribute(g)).alignX&&(a=o=o>a?a:o),1===o&&1===a&&0===h&&0===c&&0===f&&0===d)return y;if((f||d)&&(x=" translate("+_(f)+" "+_(d)+") "),r=x+" matrix("+o+" 0 0 "+a+" "+h*o+" "+c*a+") ","svg"===t.nodeName){for(n=t.ow
 nerDocument.createElement("g");t.firstChild;)n.appendChild(t.firstChild);t.appendChild(n)}else r=(n=t).getAttribute("transform")+r;return n.setAttribute("transform",r),y}function g(t,e){for(;t&&(t=t.parentNode);)if(t.nodeName&&e.test(t.nodeName.replace("svg:",""))&&!t.getAttribute("instantiated_by_use"))return!0;return!1}var p=t.fabric||(t.fabric={}),v=p.util.object.extend,b=p.util.object.clone,m=p.util.toFixed,_=p.util.parseUnit,y=p.util.multiplyTransformMatrices,x=/^(path|circle|polygon|polyline|ellipse|rect|line|image|text)$/i,C=/^(symbol|image|marker|pattern|view|svg)$/i,S=/^(?:pattern|defs|symbol|metadata|clipPath|mask)$/i,w=/^(symbol|g|a|svg)$/i,O={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineC
 ap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX",opacity:"opacity"},T={stroke:"strokeOpacity",fill:"fillOpacity"};p.cssRules={},p.gradientDefs={},p.parseTransformAttribute=function(){function t(t,e){var i=Math.cos(e[0]),r=Math.sin(e[0]),n=0,s=0;3===e.length&&(n=e[1],s=e[2]),t[0]=i,t[1]=r,t[2]=-r,t[3]=i,t[4]=n-(i*n-r*s),t[5]=s-(r*n+i*s)}function e(t,e){var i=e[0],r=2===e.length?e[1]:e[0];t[0]=i,t[3]=r}function i(t,e,i){t[i]=Math.tan(p.util.degreesToRadians(e[0]))}function r(t,e){t[4]=e[0],2===e.length&&(t[5]=e[1])}var n=[1,0,0,1,0,0],s=p.reNum,o="(?:\\s+,?\\s*|,\\s*)",a="(?:"+("(?:(matrix)\\s*\\(\\s*("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")\\s*\\))")+"|"+("(?:(translate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))")+"|"+("(?:(scale)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))")+"|"+("(?:(rotate)\\s*\\(\\s*("+s+")
 (?:"+o+"("+s+")"+o+"("+s+"))?\\s*\\))")+"|"+("(?:(skewX)\\s*\\(\\s*("+s+")\\s*\\))")+"|"+("(?:(skewY)\\s*\\(\\s*("+s+")\\s*\\))")+")",h="^\\s*(?:"+("(?:"+a+"(?:"+o+"*"+a+")*)")+"?)\\s*$",c=new RegExp(h),l=new RegExp(a,"g");return function(s){var o=n.concat(),h=[];if(!s||s&&!c.test(s))return o;s.replace(l,function(s){var c=new RegExp(a).exec(s).filter(function(t){return!!t}),l=c[1],u=c.slice(2).map(parseFloat);switch(l){case"translate":r(o,u);break;case"rotate":u[0]=p.util.degreesToRadians(u[0]),t(o,u);break;case"scale":e(o,u);break;case"skewX":i(o,u,2);break;case"skewY":i(o,u,1);break;case"matrix":o=u}h.push(o.concat()),o=n.concat()});for(var u=h[0];h.length>1;)h.shift(),u=p.util.multiplyTransformMatrices(u,h[0]);return u}}();var j=new RegExp("^\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*$");p.parseSVGDocument=function(t,e,i,r){if(t){f(t);var n=p.Object.__uid++,s=d(t),o=p.util.toArray(t.getElementsByTagName("*"));if(s.crossOrigin=r&&
 r.crossOrigin,s.svgUid=n,0===o.length&&p.isLikelyNode){for(var a=[],h=0,c=(o=t.selectNodes('//*[name(.)!="svg"]')).length;h<c;h++)a[h]=o[h];o=a}var l=o.filter(function(t){return d(t),x.test(t.nodeName.replace("svg:",""))&&!g(t,S)});!l||l&&!l.length?e&&e([],{}):(p.gradientDefs[n]=p.getGradientDefs(t),p.cssRules[n]=p.getCSSRules(t),p.parseElements(l,function(t){e&&e(t,s)},b(s),i,r))}};var k=new RegExp("(normal|italic)?\\s*(normal|small-caps)?\\s*(normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900)?\\s*("+p.reNum+"(?:px|cm|mm|em|pt|pc|in)*)(?:\\/(normal|"+p.reNum+"))?\\s+(.*)");v(p,{parseFontDeclaration:function(t,e){var i=t.match(k);if(i){var r=i[1],n=i[3],s=i[4],o=i[5],a=i[6];r&&(e.fontStyle=r),n&&(e.fontWeight=isNaN(parseFloat(n))?n:parseFloat(n)),s&&(e.fontSize=_(s)),a&&(e.fontFamily=a),o&&(e.lineHeight="normal"===o?1:o)}},getGradientDefs:function(t){var e,i,r,s=n(t,["linearGradient","radialGradient","svg:linearGradient","svg:radialGradient"]),o=0,a={},h={};for(o=s.leng
 th;o--;)r=(e=s[o]).getAttribute("xlink:href"),i=e.getAttribute("id"),r&&(h[i]=r.substr(1)),a[i]=e;for(i in h){var c=a[h[i]].cloneNode(!0);for(e=a[i];c.firstChild;)e.appendChild(c.firstChild)}return a},parseAttributes:function(t,n,s){if(t){var o,h,c={};void 0===s&&(s=t.getAttribute("svgUid")),t.parentNode&&w.test(t.parentNode.nodeName)&&(c=p.parseAttributes(t.parentNode,n,s)),h=c&&c.fontSize||t.getAttribute("font-size")||p.Text.DEFAULT_SVG_FONT_SIZE;var l=n.reduce(function(e,i){return(o=t.getAttribute(i))&&(e[i]=o),e},{});l=v(l,v(a(t,s),p.parseStyleAttribute(t)));var u,f,d={};for(var g in l)f=i(u=e(g),l[g],c,h),d[u]=f;d&&d.font&&p.parseFontDeclaration(d.font,d);var b=v(c,d);return w.test(t.nodeName)?b:r(b)}},parseElements:function(t,e,i,r,n){new p.ElementsParser(t,e,i,r,n).parse()},parseStyleAttribute:function(t){var e={},i=t.getAttribute("style");return i?("string"==typeof i?s(i,e):o(i,e),e):e},parsePointsAttribute:function(t){if(!t)return null;var e,i,r=[];for(e=0,i=(t=(t=t.replace
 (/,/g," ").trim()).split(/\s+/)).length;e<i;e+=2)r.push({x:parseFloat(t[e]),y:parseFloat(t[e+1])});return r},getCSSRules:function(t){for(var e=t.getElementsByTagName("style"),i={},r=0,n=e.length;r<n;r++){var s=e[r].textContent||e[r].text;""!==(s=s.replace(/\/\*[\s\S]*?\*\//g,"")).trim()&&s.match(/[^{]*\{[\s\S]*?\}/g).map(function(t){return t.trim()}).forEach(function(t){for(var e=t.match(/([\s\S]*?)\s*\{([^}]*)\}/),r={},n=e[2].trim().replace(/;$/,"").split(/\s*;\s*/),s=0,o=n.length;s<o;s++){var a=n[s].split(/\s*:\s*/),h=a[0],c=a[1];r[h]=c}(t=e[1]).split(",").forEach(function(t){""!==(t=t.replace(/^svg/i,"").trim())&&(i[t]?p.util.object.extend(i[t],r):i[t]=p.util.object.clone(r))})})}return i},loadSVGFromURL:function(t,e,i,r){t=t.replace(/^\n\s*/,"").trim(),new p.util.request(t,{method:"get",onComplete:function(t){var n=t.responseXML;n&&!n.documentElement&&p.window.ActiveXObject&&t.responseText&&((n=new ActiveXObject("Microsoft.XMLDOM")).async="false",n.loadXML(t.responseText.replace
 (/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,""))),n&&n.documentElement||e&&e(null),p.parseSVGDocument(n.documentElement,function(t,i){e&&e(t,i)},i,r)}})},loadSVGFromString:function(t,e,i,r){t=t.trim();var n;if("undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(n=s.parseFromString(t,"text/xml"))}else p.window.ActiveXObject&&((n=new ActiveXObject("Microsoft.XMLDOM")).async="false",n.loadXML(t.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,"")));p.parseSVGDocument(n.documentElement,function(t,i){e(t,i)},i,r)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;t<e;t++)this.elements[t
 ].setAttribute("svgUid",this.svgUid),function(t,e){setTimeout(function(){t.createObject(t.elements[e],e)},0)}(this,t)},fabric.ElementsParser.prototype.createObject=function(t,e){var i=fabric[fabric.util.string.capitalize(t.tagName.replace("svg:",""))];if(i&&i.fromElement)try{this._createObject(i,t,e)}catch(t){fabric.log(t)}else this.checkIfDone()},fabric.ElementsParser.prototype._createObject=function(t,e,i){if(t.async)t.fromElement(e,this.createCallback(i,e),this.options);else{var r=t.fromElement(e,this.options);this.resolveGradient(r,"fill"),this.resolveGradient(r,"stroke"),this.reviver&&this.reviver(e,r),this.instances[i]=r,this.checkIfDone()}},fabric.ElementsParser.prototype.createCallback=function(t,e){var i=this;return function(r){i.resolveGradient(r,"fill"),i.resolveGradient(r,"stroke"),i.reviver&&i.reviver(e,r),i.instances[t]=r,i.checkIfDone()}},fabric.ElementsParser.prototype.resolveGradient=function(t,e){var i=t.get(e);if(/^url\(/.test(i)){var r=i.slice(5,i.length-1);fabri
 c.gradientDefs[this.svgUid][r]&&t.set(e,fabric.Gradient.fromElement(fabric.gradientDefs[this.svgUid][r],t))}},fabric.ElementsParser.prototype.checkIfDone=function(){0==--this.numElements&&(this.instances=this.instances.filter(function(t){return null!=t}),this.callback(this.instances))},function(t){"use strict";function e(t,e){this.x=t,this.y=e}var i=t.fabric||(t.fabric={});i.Point?i.warn("fabric.Point is already defined"):(i.Point=e,e.prototype={type:"point",constructor:e,add:function(t){return new e(this.x+t.x,this.y+t.y)},addEquals:function(t){return this.x+=t.x,this.y+=t.y,this},scalarAdd:function(t){return new e(this.x+t,this.y+t)},scalarAddEquals:function(t){return this.x+=t,this.y+=t,this},subtract:function(t){return new e(this.x-t.x,this.y-t.y)},subtractEquals:function(t){return this.x-=t.x,this.y-=t.y,this},scalarSubtract:function(t){return new e(this.x-t,this.y-t)},scalarSubtractEquals:function(t){return this.x-=t,this.y-=t,this},multiply:function(t){return new e(this.x*t,t
 his.y*t)},multiplyEquals:function(t){return this.x*=t,this.y*=t,this},divide:function(t){return new e(this.x/t,this.y/t)},divideEquals:function(t){return this.x/=t,this.y/=t,this},eq:function(t){return this.x===t.x&&this.y===t.y},lt:function(t){return this.x<t.x&&this.y<t.y},lte:function(t){return this.x<=t.x&&this.y<=t.y},gt:function(t){return this.x>t.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return void 0===i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},set
 FromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}})}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});i.Intersection?i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,s){var 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")).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=func
 tion(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;c<h;c++)n=r[c],s=r[(c+1)%h],o=e.intersectLineLine(t,i,n,s),a.appendPoints(o.points);return a.points.length>0&&(a.status="Intersection"),a},i.Intersection.intersectPolygonPolygon=function(t,i){for(var r=new e,n=t.length,s=0;s<n;s++){var o=t[s],a=t[(s+1)%n],h=e.intersectLinePolygon(o,a,i);r.appendPoints(h.points)}return r.points.length>0&&(r.status="Intersection"),r},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={});r.Color?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+(e<i?6:0);break;case e:n=(i-t)/c+2;break;case i:n=(t-e)/c+4}n/=6}return[Math.round(360*n),Math.round(100*s),Math.round(100*o)]},getSource:function(){return this._source},setSource:function(t){this._source=t},toRgb:function(){var t=this.getSource();return"rgb("+t[0]+","+t[1]+","+t[2]+")"},toRgba:function(){var t=this.getSource();return"rgba("+t[0]+","+t[1]+","+t[2]+","+
 t[3]+")"},toHsl:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsl("+e[0]+","+e[1]+"%,"+e[2]+"%)"},toHsla:function(){var t=this.getSource(),e=this._rgbToHsl(t[0],t[1],t[2]);return"hsla("+e[0]+","+e[1]+"%,"+e[2]+"%,"+t[3]+")"},toHex:function(){var t,e,i,r=this.getSource();return t=r[0].toString(16),t=1===t.length?"0"+t:t,e=r[1].toString(16),e=1===e.length?"0"+e:e,i=r[2].toString(16),i=1===i.length?"0"+i:i,t.toUpperCase()+e.toUpperCase()+i.toUpperCase()},toHexa:function(){var t;return t=255*this.getSource()[3],t=t.toString(16),t=1===t.length?"0"+t:t,this.toHex()+t.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(t){var e=this.getSource();return e[3]=t,this.setSource(e),this},toGrayscale:function(){var t=this.getSource(),e=parseInt((.3*t[0]+.59*t[1]+.11*t[2]).toFixed(0),10),i=t[3];return this.setSource([e,e,e,i]),this},toBlackWhite:function(t){var e=this.getSource(),i=(.3*e[0]+.59*e[1]+.11*e[2]).toFixed(0),r=e[3];return t=t||12
 7,i=Number(i)<Number(t)?0:255,this.setSource([i,i,i,r]),this},overlayWith:function(t){t instanceof e||(t=new e(t));for(var i=[],r=this.getAlpha(),n=this.getSource(),s=t.getSource(),o=0;o<3;o++)i.push(Math.round(.5*n[o]+.5*s[o]));return i[3]=r,this.setSource(i),this}},r.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/,r.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,r.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,r.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",grey:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"},r.Color.fromRgb=function(t){return e.fromSource(e.sourceFromRgb(t))},r.Color.sourceFromRgb=fu
 nction(t){var i=t.match(e.reRGBa);if(i){var r=parseInt(i[1],10)/(/%$/.test(i[1])?100:1)*(/%$/.test(i[1])?255:1),n=parseInt(i[2],10)/(/%$/.test(i[2])?100:1)*(/%$/.test(i[2])?255:1),s=parseInt(i[3],10)/(/%$/.test(i[3])?100:1)*(/%$/.test(i[3])?255:1);return[parseInt(r,10),parseInt(n,10),parseInt(s,10),i[4]?parseFloat(i[4]):1]}},r.Color.fromRgba=e.fromRgb,r.Color.fromHsl=function(t){return e.fromSource(e.sourceFromHsl(t))},r.Color.sourceFromHsl=function(t){var r=t.match(e.reHSLa);if(r){var n,s,o,a=(parseFloat(r[1])%360+360)%360/360,h=parseFloat(r[2])/(/%$/.test(r[2])?100:1),c=parseFloat(r[3])/(/%$/.test(r[3])?100:1);if(0===h)n=s=o=c;else{var l=c<=.5?c*(h+1):c+h-c*h,u=2*c-l;n=i(u,l,a+1/3),s=i(u,l,a),o=i(u,l,a-1/3)}return[Math.round(255*n),Math.round(255*s),Math.round(255*o),r[4]?parseFloat(r[4]):1]}},r.Color.fromHsla=e.fromHsl,r.Color.fromHex=function(t){return e.fromSource(e.sourceFromHex(t))},r.Color.sourceFromHex=function(t){if(t.match(e.reHex)){var i=t.slice(t.indexOf("#")+1),r=3===i
 .length||4===i.length,n=8===i.length||4===i.length,s=r?i.charAt(0)+i.charAt(0):i.substring(0,2),o=r?i.charAt(1)+i.charAt(1):i.substring(2,4),a=r?i.charAt(2)+i.charAt(2):i.substring(4,6),h=n?r?i.charAt(3)+i.charAt(3):i.substring(6,8):"FF";return[parseInt(s,16),parseInt(o,16),parseInt(a,16),parseFloat((parseInt(h,16)/255).toFixed(2))]}},r.Color.fromSource=function(t){var i=new e;return i.setSource(t),i})}("undefined"!=typeof exports?exports:this),function(){function t(t){var e,i,r,n=t.getAttribute("style"),s=t.getAttribute("offset")||0;if(s=parseFloat(s)/(/%$/.test(s)?100:1),s=s<0?0:s>1?1:s,n){var o=n.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:s,color:e.toRgb(),opacity:r}}fun
 ction e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.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}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,ini
 tialize: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:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r=n(this.coords,!0),s=n(this.colorStops,!0),o=r.r1>r.r2;if(s.sort(function(t,e){return t.offset
 -e.offset}),!t.group||"path-group"!==t.group.type)for(var a in r)"x1"===a||"x2"===a?r[a]+=this.offsetX-t.width/2:"y1"!==a&&"y2"!==a||(r[a]+=this.offsetY-t.height/2);if(i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["<linearGradient ",i,' x1="',r.x1,'" y1="',r.y1,'" x2="',r.x2,'" y2="',r.y2,'">\n']:"radial"===this.type&&(e=["<radialGradient ",i,' cx="',o?r.x1:r.x2,'" cy="',o?r.y1:r.y2,'" r="',o?r.r1:r.r2,'" fx="',o?r.x2:r.x1,'" fy="',o?r.y2:r.y1,'">\n']),"radial"===this.type){if(o){(s=s.concat()).reverse();for(l=0;l<s.length;l++)s[l].offset=1-s[l].offset}var h=Math.min(r.r1,r.r2);if(h>0)for(var c=h/Math.max(r.r1,r.r2),l=0;l<s.length;l++)s[l].offset+=c*(1-s[l].offset)}for(l=0;l<s.length;l++){var u=s[l];e.push("<stop ",'offset="',100*u.offset+"%",'" style="stop-color:',u.color,null!==u.opacity?";stop-opacity: "+u.opacity:";",'"/>\n')}return e.push("linear
 "===this.type?"</linearGradient>\n":"</radialGradient>\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<o;s++){var a=this.colorStops[s].color,h=this.colorStops[s].opacity,c=this.colorStops[s].offset;void 0!==h&&(a=new fabric.Color(a).setAlpha(h).toRgba()),i.addColorStop(c,a)}return i}}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(n,s){var o,a,h,c=n.getElementsByTagName("stop"),l=n.getAttribute("gradientUnits")||"objectBoundingBox",u=n.getAttribute("gradientTransform"),f=[];"linear"===(o="linearGradient"===n.nodeName||"LINEARGRADIENT"===n.nodeName?"linear":"radial")?a=e(n):"radial"
 ===o&&(a=i(n));for(var d=c.length;d--;)f.push(t(c[d]));h=r(s,a,l);var g=new fabric.Gradient({type:o,coords:a,colorStops:f,offsetX:-s.left,offsetY:-s.top});return(u||""!==h)&&(g.gradientTransform=fabric.parseTransformAttribute((u||"")+h)),g},forObject:function(t,e){return e||(e={}),r(t,e.coords,"userSpaceOnUse"),new fabric.Gradient(e)}})}(),function(){"use strict";var t=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(t,e){if(t||(t={}),this.id=fabric.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)e&&e(this);else if(void 0!==fabric.util.getFunctionBody(t.source))this.source=new Function(fabric.util.getFunctionBody(t.source)),e&&e(this);else{var i=this;this.source=fabric.util.createImage(),fabric.util.loadImage(t.source,function(t){i.source=t,e&&e(i)})}},toObject:function(e){var i,r,n=fabric.Object.NUM_FRACTION_DIGITS;return"function"==typeof this.source?i=String(this.source):"string"==
 typeof this.source.src?i=this.source.src:"object"==typeof this.source&&this.source.toDataURL&&(i=this.source.toDataURL()),r={type:"pattern",source:i,repeat:this.repeat,offsetX:t(this.offsetX,n),offsetY:t(this.offsetY,n)},fabric.util.populateWithProperties(this,r,e),r},toSVG:function(t){var e="function"==typeof this.source?this.source():this.source,i=e.width/t.width,r=e.height/t.height,n=this.offsetX/t.width,s=this.offsetY/t.height,o="";return"repeat-x"!==this.repeat&&"no-repeat"!==this.repeat||(r=1),"repeat-y"!==this.repeat&&"no-repeat"!==this.repeat||(i=1),e.src?o=e.src:e.toDataURL&&(o=e.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+n+'" y="'+s+'" width="'+i+'" height="'+r+'">\n<image x="0" y="0" width="'+e.width+'" height="'+e.height+'" xlink:href="'+o+'"></image>\n</pattern>\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if(void 0!==e.src){if(!e.complete)return"";if(0===
 e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;e.Shadow?e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,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)||[];return{color:(i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)").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));return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.
 width,s)+20,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+20),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<filter id="SVGID_'+this.id+'" y="-'+n+'%" height="'+(100+2*n)+'%" x="-'+r+'%" width="'+(100+2*r)+'%" >\n\t<feGaussianBlur in="SourceAlpha" stdDeviation="'+i(this.blur?this.blur/2:0,s)+'"></feGaussianBlur>\n\t<feOffset dx="'+i(o.x,s)+'" dy="'+i(o.y,s)+'" result="oBlur" ></feOffset>\n\t<feFlood flood-color="'+this.color+'"/>\n\t<feComposite in2="oBlur" operator="in" />\n\t<feMerge>\n\t\t<feMergeNode></feMergeNode>\n\t\t<feMergeNode in="SourceGraphic"></feMergeNode>\n\t</feMerge>\n</filter>\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};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}}),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)fabric.warn("fabric.StaticCanvas is already defined.");else{var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!1,_initStatic:function(t,e){var i=fabric.StaticCanvas.prototype.renderAll.bind(this);this._ob
 jects=[],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){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw o;if(void 0===e.getContext)thr
 ow o;return e},_initOptions:function(t){this._setOptions(t),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 this.viewportTransform[0]},setViewportTransform:function(t){var e,i=this._activeGroup;this.viewportTransform=t;for(var r=0,n=this._objects.length;r<n;r++)(e=this._objects[r]).group||e.setCoords(!1,!0);return i&&i.setCoords(!1,!0),this.calcViewportBoundaries(),this.renderAll(),this},zoomToPoint:function(t,e){var i=t,r=this.viewportTransform.slice(0);t=n(t,s(this.viewportTransform)),r[0]=e,r[3]=e;var o=n(t,r);retu
 rn r[4]+=i.x-o.x,r[5]+=i.y-o.y,this.setViewportTransform(r)},setZoom:function(t){return this.zoomToPoint(new fabric.Point(0,0),t),this},absolutePan:function(t){var e=this.viewportTransform.slice(0);return e[4]=-t.x,e[5]=-t.y,this.setViewportTransform(e)},relativePan:function(t){return this.absolutePan(new fabric.Point(-t.x-this.viewportTransform[4],-t.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(t){this.stateful&&t.setupState(),t._set("canvas",this),t.setCoords(),this.fire("object:added",{target:t}),t.fire("added")},_onObjectRemoved:function(t){this.fire("object:removed",{target:t}),t.fire("removed"),delete t.canvas},clearContext:function(t){return t.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.backgroundImage=null,this.overlayImage=null,this.backgroundColor="",this.overlayColor="",this._hasITextHandlers&&(this.off("mouse:u
 p",this._mouseUpITextHandler),this._iTextInstances=null,this._hasITextHandlers=!1),this.clearContext(this.contextContainer),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(){var t=this.contextContainer;return this.renderCanvas(t,this._objects),this},calcViewportBoundaries:function(){var t={},e=this.getWidth(),i=this.getHeight(),r=s(this.viewportTransform);return t.tl=n({x:0,y:0},r),t.br=n({x:e,y:i},r),t.tr=new fabric.Point(t.br.x,t.tl.y),t.bl=new fabric.Point(t.tl.x,t.br.y),this.vptCoords=t,t},renderCanvas:function(t,e){this.calcViewportBoundaries(),this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),t.save(),t.transform.apply(t,this.viewportTransform),this._renderObjects(t,e),t.restore(),!this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render")},_r
 enderObjects:function(t,e){for(var i=0,r=e.length;i<r;++i)e[i]&&e[i].render(t)},_renderBackgroundOrOverlay:function(t,e){var i=this[e+"Color"];i&&(t.fillStyle=i.toLive?i.toLive(t,this):i,t.fillRect(i.offsetX||0,i.offsetY||0,this.width,this.height)),(i=this[e+"Image"])&&(this[e+"Vpt"]&&(t.save(),t.transform.apply(t,this.viewportTransform)),i.render(t),this[e+"Vpt"]&&t.restore())},_renderBackground:function(t){this._renderBackgroundOrOverlay(t,"background")},_renderOverlay:function(t){this._renderBackgroundOrOverlay(t,"overlay")},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(t){return this._centerObject(t,new fabric.Point(this.getCenter().left,t.getCenterPoint().y))},centerObjectV:function(t){return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,this.getCenter().top))},centerObject:function(t){var e=this.getCenter();return this._centerObject(t,new fabric.Point(e.left,e.top))},viewportCenterObject:function(t){var e=this.g
 etVpCenter();return this._centerObject(t,e)},viewportCenterObjectH:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(e.x,t.getCenterPoint().y)),this},viewportCenterObjectV:function(t){var e=this.getVpCenter();return this._centerObject(t,new fabric.Point(t.getCenterPoint().x,e.y))},getVpCenter:function(){var t=this.getCenter(),e=s(this.viewportTransform);return n({x:t.left,y:t.top},e)},_centerObject:function(t,e){return t.setPositionByOrigin(e,"center","center"),this.renderAll(),this},toDatalessJSON:function(t){return this.toDatalessObject(t)},toObject:function(t){return this._toObjectMethod("toObject",t)},toDatalessObject:function(t){return this._toObjectMethod("toDatalessObject",t)},_toObjectMethod:function(e,i){var r={objects:this._toObjects(e,i)};return t(r,this.__serializeBgOverlay(e,i)),fabric.util.populateWithProperties(this,r,i),r},_toObjects:function(t,e){return this.getObjects().filter(function(t){return!t.excludeFromExport}).map(function(i){
 return this._toObject(i,t,e)},this)},_toObject:function(t,e,i){var r;this.includeDefaultValues||(r=t.includeDefaultValues,t.includeDefaultValues=!1);var n=t[e](i);return this.includeDefaultValues||(t.includeDefaultValues=r),n},__serializeBgOverlay:function(t,e){var i={},r=this.backgroundImage,n=this.overlayImage;return this.backgroundColor&&(i.background=this.backgroundColor.toObject?this.backgroundColor.toObject(e):this.backgroundColor),this.overlayColor&&(i.overlay=this.overlayColor.toObject?this.overlayColor.toObject(e):this.overlayColor),r&&!r.excludeFromExport&&(i.backgroundImage=this._toObject(r,t,e)),n&&!n.excludeFromExport&&(i.overlayImage=this._toObject(n,t,e)),i},svgViewportTransformation:!0,toSVG:function(t,e){t||(t={});var i=[];return this._setSVGPreamble(i,t),this._setSVGHeader(i,t),this._setSVGBgOverlayColor(i,"backgroundColor"),this._setSVGBgOverlayImage(i,"backgroundImage",e),this._setSVGObjects(i,e),this._setSVGBgOverlayColor(i,"overlayColor"),this._setSVGBgOverlayI
 mage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,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("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',n,'" ','height="',s,'" ',o,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFace
 sMarkup(),this.createSVGRefElementsMarkup(),"</defs>\n")},createSVGRefElementsMarkup:function(){var t=this;return["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)}).join("")},createSVGFontFacesMarkup:function(){for(var t,e,i,r,n,s,o="",a={},h=fabric.fontPaths,c=this.getObjects(),l=0,u=c.length;l<u;l++)if(t=c[l],e=t.fontFamily,-1!==t.type.indexOf("text")&&!a[e]&&h[e]&&(a[e]=!0,t.styles)){i=t.styles;for(n in i){r=i[n];for(s in r)!a[e=r[s].fontFamily]&&h[e]&&(a[e]=!0)}}for(var f in a)o+=["\t\t@font-face {\n","\t\t\tfont-family: '",f,"';\n","\t\t\tsrc: url('",h[f],"');\n","\t\t}\n"].join("");return o&&(o=['\t<style type="text/css">',"<![CDATA[\n",o,"]]>","</style>\n"].join("")),o},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r<s;r++)(i=n[r]).excludeFromExport||this._setSVGObject(t,i,e)},_setSVGObject:function(t,e,i){t.push(e.toSVG(i))},_setSVGBgOverlayImage:function(t,e,i){this[e]&&this[e].toSVG&&t.push(this[e]
 .toSVG(i))},_setSVGBgOverlayColor:function(t,e){var i=this[e];if(i)if(i.toLive){var r=i.repeat;t.push('<rect transform="translate(',this.width/2,",",this.height/2,')"',' x="',i.offsetX-this.width/2,'" y="',i.offsetY-this.height/2,'" ','width="',"repeat-y"===r||"no-repeat"===r?i.source.width:this.width,'" height="',"repeat-x"===r||"no-repeat"===r?i.source.height:this.height,'" fill="url(#SVGID_'+i.id+')"',"></rect>\n")}else t.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[e],'"',"></rect>\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(e=(n=s._objects).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<n.length;e++)r=n[e],i(this._objects,r),this._objects.push(r);else i(this._objects,t),this._objects.
 push(t);return this.renderAll&&this.renderAll()},sendBackwards:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup,c=0;if(t===h)for(a=h._objects,r=0;r<a.length;r++)n=a[r],(s=this._objects.indexOf(n))>0+c&&(o=s-1,i(this._objects,n),this._objects.splice(o,0,n)),c++;else 0!==(s=this._objects.indexOf(t))&&(o=this._findNewLowerIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewLowerIndex:function(t,e,i){var r;if(i){r=e;for(var n=e-1;n>=0;--n)if(t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t)){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,c=0;if(t===h)for(r=(a=h._objects).length;r--;)n=a[r],(s=this._objects.indexOf(n))<this._objects.length-1-c&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n)),c++;else(s=this._objects.indexOf(t))!==this._objects.length-1&&(o=thi
 s._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<this._objects.length;++n)if(t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t)){r=n;break}}else r=e+1;return r},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): { objects: "+this.getObjects().length+" }>"}}),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 void 0!==i.getImageData;case"setLineDash":return void 0!==i.setLineDash;case"toDataURL":return void 0!==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,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shad
 ow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),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.viewpor
 tTransform,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;n<s;n++){var o=i.midPointFrom(r);t.quadraticCurveTo(i.x,i.y,o.x,o.y),i=this._points[n],r=this._points[n+1]}t.lineTo(i.x,i.y),t.stroke(),t.restore()},convertPointsToSVGPath:function(t){var e=[],i=new fabric.Point(t[0].x,t[0].y),r=new fabric.Point(t[1].x,t[1].y);e.push("M ",t[0].x," ",t[0].y," ");for(var n=1,s=t.length;n<s;n++){var o=i.midPointFrom(r);e.push("Q ",i.x," ",i.y," ",o.x," ",o.y," "),i=new fabric.Point(t[n].x,t[n].y),n+1<t.length&&(r=new fabric.Point(t[n+1].x,t[n+1].y))}return e.push("L ",i.x," ",i.y," "),e},createPath:function(t){var e=new fabric.Path(t,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray,originX:"center",originY:"center"});ret
 urn this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){this.canvas.contextTop.closePath();var t=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"!==t){var e=this.createPath(t);this.canvas.add(e),e.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:e})}else this.canvas.renderAll()}}),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(t){this.canvas=t,this.points=[]},drawDot:function(t){var e=this.addPoint(t),i=this.canvas.contextTop,r=this.canvas.viewportTransform;i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.fillStyle=e.fill,i.beginPath(),i.arc(e.x,e.y,e.radius,0,2*Math.PI,!1),i.closePath(),i.fill(),i.restore()},onMouseDown:function(t){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(t)},onMouseMove:function(t){this.d
 rawDot(t)},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.points.length;i<r;i++){var n=this.points[i],s=new fabric.Circle({radius:n.radius,left:n.x,top:n.y,originX:"center",originY:"center",fill:n.fill});this.shadow&&s.setShadow(this.shadow),e.push(s)}var o=new fabric.Group(e,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.renderAll()},addPoint:function(t){var e=new fabric.Point(t.x,t.y),i=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return e.radius=i,e.fill=r,this.points.push(e),e}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:
 !0,initialize:function(t){this.canvas=t,this.sprayChunks=[]},onMouseDown:function(t){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(t),this.render()},onMouseMove:function(t){this.addSprayChunk(t),this.render()},onMouseUp:function(){var t=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;for(var e=[],i=0,r=this.sprayChunks.length;i<r;i++)for(var n=this.sprayChunks[i],s=0,o=n.length;s<o;s++){var a=new fabric.Rect({width:n[s].width,height:n[s].width,left:n[s].x+1,top:n[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&a.setShadow(this.shadow),e.push(a)}this.optimizeOverlapping&&(e=this._getOptimizedRects(e));var h=new fabric.Group(e,{originX:"center",originY:"center"});h.canvas=this.canvas,this.canvas.add(h),this.canvas.fire("path:created",{path:h}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=t,this.canvas.renderAll()},_getOptimizedR
 ects:function(t){for(var e,i={},r=0,n=t.length;r<n;r++)i[e=t[r].left+""+t[r].top]||(i[e]=t[r]);var s=[];for(e in i)s.push(i[e]);return s},render:function(){var t=this.canvas.contextTop;t.fillStyle=this.color;var e=this.canvas.viewportTransform;t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]);for(var i=0,r=this.sprayChunkPoints.length;i<r;i++){var n=this.sprayChunkPoints[i];void 0!==n.opacity&&(t.globalAlpha=n.opacity),t.fillRect(n.x,n.y,n.width,n.width)}t.restore()},addSprayChunk:function(t){this.sprayChunkPoints=[];for(var e,i,r,n=this.width/2,s=0;s<this.density;s++){e=fabric.util.getRandomInt(t.x-n,t.x+n),i=fabric.util.getRandomInt(t.y-n,t.y+n),r=this.dotWidthVariance?fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):this.dotWidth;var o=new fabric.Point(e,i);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.
 PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var t=fabric.document.createElement("canvas"),e=t.getContext("2d");return t.width=t.height=25,e.fillStyle=this.color,e.beginPath(),e.arc(10,10,10,0,2*Math.PI,!1),e.closePath(),e.fill(),t},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(t){var e=this.callSuper("createPath",t),i=e._getLeftTopCoords().scalarAdd(e.strokeWidth/2);return e.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-i.x,offsetY:-i.y}),e}}),function(){var t=fabric.util.getPointer,e=fabric.util.degreesToRadians,i=fabric.util.radiansToDegrees,r=Math.atan2,n=Math.abs,s=fabric.StaticCanvas.supports("setLi
 neDash");fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(t,e){e||(e={}),this._initStatic(t,e),this._initInteractive(),this._createCacheCanvas()},uniScaleTransform:!1,uniScaleKey:"shiftKey",centeredScaling:!1,centeredRotation:!1,centeredKey:"altKey",altActionKey:"shiftKey",interactive:!0,selection:!0,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,isDrawingMode:!1,preserveObjectStacking:!1,snapAngle:0,snapThreshold:null,stopContextMenu:!1,fireRightClick:!1,fireMiddleClick:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._ini
 tEventListeners(),this._initRetinaScaling(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_chooseObjectsToRender:function(){var t,e=this.getActiveGroup(),i=this.getActiveObject(),r=[],n=[];if(!e&&!i||this.preserveObjectStacking)r=this._objects;else{for(var s=0,o=this._objects.length;s<o;s++)t=this._objects[s],e&&e.contains(t)||t===i?n.push(t):r.push(t);e&&(e._set("_objects",n),r.push(e)),i&&r.push(i)}return r},renderAll:function(){!this.contextTopDirty||this._groupSelector||this.isDrawingMode||(this.clearContext(this.contextTop),this.contextTopDirty=!1);var t=this.contextContainer;return this.renderCanvas(t,this._chooseObjectsToRender()),this},renderTop:function(){var t=this.contextTop;return this.clearContext(t),this.selection&&this._groupSelector&&this._drawSelection(t),this.fire("after:render"),this.contextTopDirty=!0,this},_resetCurrentTransform:function(){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.ori
 ginal.scaleY,skewX:t.original.skewX,skewY:t.original.skewY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(t.target)?"rotate"===t.action?this._setOriginToCenter(t.target):("center"!==t.originX&&("right"===t.originX?t.mouseXSign=-1:t.mouseXSign=1),"center"!==t.originY&&("bottom"===t.originY?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(t,e,i){var r,n=i||this.getPointer(t,!0);return r=e.group&&e.group===this.getActiveGroup()?this._normalizePointer(e.group,n):{x:n.x,y:n.y},e.containsPoint(r)||e._findTargetCorner(n)},_normalizePointer:function(t,e){var i=t.calcTransformMatrix(),r=fabric.util.invertTransform(i),n=this.restorePointerVpt(e);return fabric.util.transformPoint(n,r)},isTargetTransparent:function(t,e,i){var r=t.hasBorders,n=t.transparentCorners,s=this.contextCache,o=t.selectionBackgroundColor;t.hasBorders=t.transparentCorners=!1,t.selectionBackgroun
 dColor="",s.save(),s.transform.apply(s,this.viewportTransform),t.render(s),s.restore(),t.active&&t._renderControls(s),t.hasBorders=r,t.transparentCorners=n,t.selectionBackgroundColor=o;var a=fabric.util.isTransparent(s,e,i,this.targetFindTolerance);return this.clearContext(s),a},_shouldClearSelection:function(t,e){var i=this.getActiveGroup(),r=this.getActiveObject();return!e||e&&i&&!i.contains(e)&&i!==e&&!t[this.selectionKey]||e&&!e.evented||e&&!e.selectable&&r&&r!==e},_shouldCenterTransform:function(t){if(t){var e,i=this._currentTransform;return"scale"===i.action||"scaleX"===i.action||"scaleY"===i.action?e=this.centeredScaling||t.centeredScaling:"rotate"===i.action&&(e=this.centeredRotation||t.centeredRotation),e?!i.altKey:i.altKey}},_getOriginFromCorner:function(t,e){var i={x:t.originX,y:t.originY};return"ml"===e||"tl"===e||"bl"===e?i.x="right":"mr"!==e&&"tr"!==e&&"br"!==e||(i.x="left"),"tl"===e||"mt"===e||"tr"===e?i.y="bottom":"bl"!==e&&"mb"!==e&&"br"!==e||(i.y="top"),i},_getActi
 onFromCorner:function(t,e,i){if(!e)return"drag";switch(e){case"mtr":return"rotate";case"ml":case"mr":return i[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return i[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(t,i){if(i){var r=this.getPointer(t),n=i._findTargetCorner(this.getPointer(t,!0)),s=this._getActionFromCorner(i,n,t),o=this._getOriginFromCorner(i,n);this._currentTransform={target:i,action:s,corner:n,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,offsetX:r.x-i.left,offsetY:r.y-i.top,originX:o.x,originY:o.y,ex:r.x,ey:r.y,lastX:r.x,lastY:r.y,left:i.left,top:i.top,theta:e(i.angle),width:i.width*i.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:t.shiftKey,altKey:t[this.centeredKey]},this._currentTransform.original={left:i.left,top:i.top,scaleX:i.scaleX,scaleY:i.scaleY,skewX:i.skewX,skewY:i.skewY,originX:o.x,originY:o.y},this._resetCurrentTransform()}},_translateObject:function(t,e){var i=this._currentTransform,r=i.targe
 t,n=t-i.offsetX,s=e-i.offsetY,o=!r.get("lockMovementX")&&r.left!==n,a=!r.get("lockMovementY")&&r.top!==s;return o&&r.set("left",n),a&&r.set("top",s),o||a},_changeSkewTransformOrigin:function(t,e,i){var r="originX",n={0:"center"},s=e.target.skewX,o="left",a="right",h="mt"===e.corner||"ml"===e.corner?1:-1,c=1;t=t>0?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.translateTo
 OriginPoint(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])<=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.setPosition
 ByOrigin(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&&c<u.scaleX&&(f=!0),s&&l<=0&&l<u.scaleY&&(d=!0),"equally"!==n||i||r?n?"x"!==n||u.get("lockUniScaling")?"y"!==n||u.get("lockUniScaling")||d||r||u.set("scaleY",l)&&(g=g||h):f||i||u.set("scaleX",c)&&(g=g||a):(f||i||u.set("scaleX",c)&&(g=g||a),d||r||u.set("scaleY",l)&&(g=g||h)):f||d||(g=this._scaleObjectEqually(t,u,e,o)),e.newScaleX=c,e.newScaleY=l,f||d||this._flipObject(e,n),g},_scaleObjectEqually:function(t,e,i,r){var n,s=t.y+t.x,o=r.y*i.original.scaleY/e.scaleY+r.x*i.original.scaleX/e.scaleX;return i.newScaleX=i.original.scaleX*s/o,i.newScaleY=i.original.scaleY*s/o,n=i.newScaleX!==e.scaleX||i.newScaleY!==e.scaleY,e.set("scaleX",i.newScaleX),e.set("scaleY",i.newScaleY),n},_flipObject:function(t,e){t.newScaleX<0&&"y"!==e&&("left"===t.originX?t.originX="right":"right"===t.originX&&(t.originX="l
 eft")),t.newScaleY<0&&"x"!==e&&("top"===t.originY?t.originY="bottom":"bottom"===t.originY&&(t.originY="top"))},_setLocalMouse:function(t,e){var i=e.target,r=this.getZoom(),s=i.padding/r;"right"===e.originX?t.x*=-1:"center"===e.originX&&(t.x*=2*e.mouseXSign,t.x<0&&(e.mouseXSign=-e.mouseXSign)),"bottom"===e.originY?t.y*=-1:"center"===e.originY&&(t.y*=2*e.mouseYSign,t.y<0&&(e.mouseYSign=-e.mouseYSign)),n(t.x)>s?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s: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),h=!0;if(n.target.snapAngle>0){var c=n.target.snapAngle,l=n.target.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)<l?a=f:Math.abs(a-u)<l&&(a=u)}return a<0&&(a=360+a),a%=360,n.target.angle===a?h=!1:n.target.angle=a,h},setCursor:function(t){this.upperCanvasEl.style.cursor=t},_resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.s
 kewX=0,t.skewY=0,t.setAngle(0)},_drawSelection:function(t){var 

<TRUNCATED>