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Posted to commits@openmeetings.apache.org by so...@apache.org on 2017/09/08 12:24:22 UTC
[1/3] openmeetings git commit: [OPENMEETINGS-1641] basic work on
video manipulations
Repository: openmeetings
Updated Branches:
refs/heads/master ed0a54860 -> 81fa4d9cc
http://git-wip-us.apache.org/repos/asf/openmeetings/blob/81fa4d9c/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/wb.js
----------------------------------------------------------------------
diff --git a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/wb.js b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/wb.js
index afe37ea..3f1c709 100644
--- a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/wb.js
+++ b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/wb.js
@@ -43,6 +43,175 @@ var UUID = (function() {
}
return self;
})();
+var Player = (function() {
+ var player = {};
+ player.create = function(canvas, _o) {
+ let vid = $('<video>').hide().attr('class', 'wb-video slide-' + canvas.slide).attr('id', 'wb-video-' + _o.uid)
+ .attr("width", _o.width).attr("height", _o.height)
+ .append($('<source>').attr('type', 'video/mp4').attr('src', _o._src))
+ let mainColor = '#ff6600';
+ $('#wb-tab-' + canvas.wbId).append(vid);
+ new fabric.Image.fromURL(_o._poster, function(poster) {
+ new fabric.Image(vid[0], {}, function (video) {
+ let rad = 20;
+ video.visible = false;
+ poster.width = _o.width;
+ poster.height = _o.height;
+ let opts = $.extend({
+ left: 10
+ , top: 10
+ , subTargetCheck: true
+ , objectCaching: false
+ , omType: 'Video'
+ }, _o);
+ delete opts.type;
+ let group = new fabric.Group([video, poster], opts);
+ let paused = true;
+ let trg = new fabric.Triangle({
+ left: group.left + 2.7 * rad
+ , top: group.top + group.height - 2.5 * rad
+ , visible: paused
+ , angle: 90
+ , width: rad
+ , height: rad
+ , stroke: mainColor
+ , fill: mainColor
+ });
+ let rectPause1 = new fabric.Rect({
+ left: group.left + 1.6 * rad
+ , top: group.top + group.height - 2.5 * rad
+ , visible: !paused
+ , width: rad / 3
+ , height: rad
+ , stroke: mainColor
+ , fill: mainColor
+ });
+ let rectPause2 = new fabric.Rect({
+ left: group.left + 2.1 * rad
+ , top: group.top + group.height - 2.5 * rad
+ , visible: !paused
+ , width: rad / 3
+ , height: rad
+ , stroke: mainColor
+ , fill: mainColor
+ });
+ let play = new fabric.Group([
+ new fabric.Circle({
+ left: group.left + rad
+ , top: group.top + group.height - 3 * rad
+ , radius: rad
+ , stroke: mainColor
+ , strokeWidth: 2
+ , fill: null
+ })
+ , trg, rectPause1, rectPause2]
+ , {
+ objectCaching: false
+ });
+ let cProgress = new fabric.Rect({
+ left: group.left + 3.5 * rad
+ , top: group.top + group.height - 1.5 * rad
+ , visible: !paused
+ , width: video.width - 5 * rad
+ , height: rad / 2
+ , stroke: mainColor
+ , fill: null
+ , rx: 5
+ , ry: 5
+ });
+ let progress = new fabric.Rect({
+ left: group.left + 3.5 * rad
+ , top: group.top + group.height - 1.5 * rad
+ , visible: !paused
+ , width: 0
+ , height: rad / 2
+ , stroke: mainColor
+ , fill: mainColor
+ , rx: 5
+ , ry: 5
+ });
+ let request;
+ let render = function () {
+ progress.set('width', (vid[0].currentTime * cProgress.width) / vid[0].duration);
+ canvas.renderAll();
+ if (paused) {
+ cancelAnimationFrame(request);
+ } else {
+ request = fabric.util.requestAnimFrame(render);
+ }
+ };
+ play.on({
+ /*
+ * https://github.com/kangax/fabric.js/issues/4115
+ *
+ 'mouseover': function() {
+ circle1.set({strokeWidth: 4});
+ canvas.renderAll();
+ }
+ , 'mouseout': function() {
+ circle1.set({
+ left: pos.left
+ , top: pos.top
+ , strokeWidth: 2
+ });
+ canvas.renderAll();
+ }
+ , */'mousedown': function () {
+ play.set({
+ left: pos.left + 3
+ , top: pos.top + 3
+ });
+ canvas.renderAll();
+ }
+ , 'mouseup': function () {
+ play.set({
+ left: pos.left
+ , top: pos.top
+ });
+ if (paused) {
+ video.visible = true;
+ poster.visible = false;
+ progress.visible = true;
+ cProgress.visible = true;
+ video.getElement().play();
+ fabric.util.requestAnimFrame(render);
+ } else {
+ vid[0].pause();
+ }
+ paused = !paused;
+ trg.visible = paused;
+ rectPause1.visible = !paused;
+ rectPause2.visible = !paused;
+ canvas.renderAll();
+ }
+ });
+
+ group.addWithUpdate(play);
+ group.addWithUpdate(progress);
+ group.addWithUpdate(cProgress);
+ group.selectable = canvas.selection;
+
+ canvas.add(group);
+ canvas.renderAll();
+
+ let pos = {left: play.left, top: play.top};
+ });
+ });
+ }
+ player.modify = function(g, _o) {
+ g.set({
+ angle: _o.angle
+ , left: _o.left
+ , scaleX: _o.scaleX
+ , scaleY: _o.scaleY
+ , top: _o.top
+ , width: _o.width
+ , height: _o.height
+ });
+ g.canvas.renderAll();
+ }
+ return player;
+})();
var Base = function() {
var base = {};
base.objectCreated = function(o, canvas) {
@@ -78,7 +247,7 @@ var Pointer = function(wb, s) {
};
}
var APointer = function(wb) {
- var pointer = Base(wb);
+ var pointer = Base();
pointer.user = '';
pointer.create = function(canvas, o) {
fabric.Image.fromURL('./css/images/pointer.png', function(img) {
@@ -169,8 +338,8 @@ var APointer = function(wb) {
};
return pointer;
}
-var ShapeBase = function(wb) {
- var base = Base(wb);
+var ShapeBase = function() {
+ var base = Base();
base.fill = {enabled: true, color: '#FFFF33'};
base.stroke = {enabled: true, color: '#FF6600', width: 5};
base.opacity = 1;
@@ -198,7 +367,7 @@ var ShapeBase = function(wb) {
return base;
}
var Text = function(wb, s) {
- var text = ShapeBase(wb);
+ var text = ShapeBase();
text.obj = null;
text.fill.color = '#000000';
text.stroke.width = 1;
@@ -822,165 +991,7 @@ var Wb = function() {
switch (_o.fileType) {
case 'Video':
case 'Recording':
- {
- let canvas = canvases[_o.slide];
- let vid = $('<video>').hide().attr('class', 'wb-video slide-' + canvas.slide).attr('id', 'wb-video-' + _o.uid)
- .attr("width", _o.width).attr("height", _o.height)
- .append($('<source>').attr('type', 'video/mp4').attr('src', _o._src))
- let mainColor = '#ff6600';
- $('#wb-tab-' + canvas.wbId).append(vid);
- new fabric.Image.fromURL(_o._poster, function(poster) {
- new fabric.Image(vid[0], {}, function (video) {
- let rad = 20;
- video.visible = false;
- poster.width = video.width;
- poster.height = video.height;
- let group = new fabric.Group([video, poster], {
- left: 10
- , top: 10
- , subTargetCheck: true
- , width: video.width
- , height: video.height
- , objectCaching: false
- , uid: _o.uid
- , fileId: _o.fileId
- , fileType: _o.fileType
- , slide: canvas.slide
- });
- let paused = true;
- let trg = new fabric.Triangle({
- left: group.left + 2.7 * rad
- , top: group.top + group.height - 2.5 * rad
- , visible: paused
- , angle: 90
- , width: rad
- , height: rad
- , stroke: mainColor
- , fill: mainColor
- });
- let rectPause1 = new fabric.Rect({
- left: group.left + 1.6 * rad
- , top: group.top + group.height - 2.5 * rad
- , visible: !paused
- , width: rad / 3
- , height: rad
- , stroke: mainColor
- , fill: mainColor
- });
- let rectPause2 = new fabric.Rect({
- left: group.left + 2.1 * rad
- , top: group.top + group.height - 2.5 * rad
- , visible: !paused
- , width: rad / 3
- , height: rad
- , stroke: mainColor
- , fill: mainColor
- });
- let play = new fabric.Group([
- new fabric.Circle({
- left: group.left + rad
- , top: group.top + group.height - 3 * rad
- , radius: rad
- , stroke: mainColor
- , strokeWidth: 2
- , fill: null
- })
- , trg, rectPause1, rectPause2]
- , {
- objectCaching: false
- });
-
- let cProgress = new fabric.Rect({
- left: group.left + 3.5 * rad
- , top: group.top + group.height - 1.5 * rad
- , visible: !paused
- , width: video.width - 5 * rad
- , height: rad / 2
- , stroke: mainColor
- , fill: null
- , rx: 5
- , ry: 5
- });
- let progress = new fabric.Rect({
- left: group.left + 3.5 * rad
- , top: group.top + group.height - 1.5 * rad
- , visible: !paused
- , width: 0
- , height: rad / 2
- , stroke: mainColor
- , fill: mainColor
- , rx: 5
- , ry: 5
- });
- let request;
- let render = function () {
- progress.set('width', (vid[0].currentTime * cProgress.width) / vid[0].duration);
- canvas.renderAll();
- if (paused) {
- cancelAnimationFrame(request);
- } else {
- request = fabric.util.requestAnimFrame(render);
- }
- };
- play.on({
- /*
- * https://github.com/kangax/fabric.js/issues/4115
- *
- 'mouseover': function() {
- circle1.set({strokeWidth: 4});
- canvas.renderAll();
- }
- , 'mouseout': function() {
- circle1.set({
- left: pos.left
- , top: pos.top
- , strokeWidth: 2
- });
- canvas.renderAll();
- }
- , */'mousedown': function () {
- play.set({
- left: pos.left + 3
- , top: pos.top + 3
- });
- canvas.renderAll();
- }
- , 'mouseup': function () {
- play.set({
- left: pos.left
- , top: pos.top
- });
- if (paused) {
- video.visible = true;
- poster.visible = false;
- progress.visible = true;
- cProgress.visible = true;
- video.getElement().play();
- fabric.util.requestAnimFrame(render);
- } else {
- vid[0].pause();
- }
- paused = !paused;
- trg.visible = paused;
- rectPause1.visible = !paused;
- rectPause2.visible = !paused;
- canvas.renderAll();
- }
- });
-
- group.addWithUpdate(play);
- group.addWithUpdate(progress);
- group.addWithUpdate(cProgress);
- group.selectable = canvas.selection;
-
- canvas.add(group);
- canvas.renderAll();
-
- let pos = {left: play.left, top: play.top};
- });
- });
- //console.log(vImg.toJSON(['uid', 'fileId', 'fileType']));
- }
+ //no-op
break;
case 'Presentation':
{
@@ -1034,7 +1045,13 @@ var Wb = function() {
};
function toOmJson(o) {
- return o.toJSON(extraProps);
+ let r = o.toJSON(extraProps);
+ if (o.omType === 'Video') {
+ r.type = 'video';
+ delete r.objects;
+ return r;
+ }
+ return r;
}
//events
function wbObjCreatedHandler(o) {
@@ -1075,7 +1092,7 @@ var Wb = function() {
o.includeDefaultValues = false;
var items = [];
- if ("group" === o.type && o.fileType !== 'Video' && o.fileType !== 'Recording') {
+ if ("group" === o.type && o.omType !== 'Video') {
o.clone(function(_o) {
// ungrouping
_o.includeDefaultValues = false;
@@ -1284,24 +1301,21 @@ var Wb = function() {
_setSize();
}
};
- wb.load = function(arr) {
- _createObject(arr, _createHandler);
- };
wb.setSlide = function(_sl) {
slide = _sl;
showCurrentSlide();
};
- wb.createObj = function(o) {
- var arr = [];
- if (!Array.isArray(o)) {
- if ('pointer' === o.type) {
- APointer().create(canvases[o.slide], o);
- return;
- }
+ wb.createObj = function(obj) {
+ let arr = [], _arr = Array.isArray(obj) ? obj : [obj];
+ for (let i = 0; i < _arr.length; ++i) {
+ let o = _arr[i];
switch(o.type) {
case 'pointer':
APointer().create(canvases[o.slide], o);
break;
+ case 'video':
+ Player.create(canvases[o.slide], o);
+ break;
default:
var __o = _findObject(o);
if (!__o) {
@@ -1309,21 +1323,35 @@ var Wb = function() {
}
break;
}
- } else {
- arr = o;
}
if (arr.length > 0) {
_createObject(arr, _createHandler);
}
};
- wb.modifyObj = function(o) { //TODO need to be unified
- switch(o.type) {
- case 'pointer':
- _modifyHandler(APointer().create(canvases[o.slide], o))
- break;
- default:
- _createObject(o, _modifyHandler);
- break;
+ wb.load = wb.createObj;
+ wb.modifyObj = function(obj) { //TODO need to be unified
+ let arr = [], _arr = Array.isArray(obj) ? obj : [obj];
+ for (let i = 0; i < _arr.length; ++i) {
+ let o = _arr[i];
+ switch(o.type) {
+ case 'pointer':
+ _modifyHandler(APointer().create(canvases[o.slide], o))
+ break;
+ case 'video':
+ {
+ let g = _findObject(o);
+ if (!!g) {
+ Player.modify(g, o);
+ }
+ }
+ break;
+ default:
+ arr.push(o);
+ break;
+ }
+ }
+ if (arr.length > 0) {
+ _createObject(arr, _modifyHandler);
}
};
wb.removeObj = function(arr) {
[3/3] openmeetings git commit: [OPENMEETINGS-1641] basic work on
video manipulations
Posted by so...@apache.org.
[OPENMEETINGS-1641] basic work on video manipulations
Project: http://git-wip-us.apache.org/repos/asf/openmeetings/repo
Commit: http://git-wip-us.apache.org/repos/asf/openmeetings/commit/81fa4d9c
Tree: http://git-wip-us.apache.org/repos/asf/openmeetings/tree/81fa4d9c
Diff: http://git-wip-us.apache.org/repos/asf/openmeetings/diff/81fa4d9c
Branch: refs/heads/master
Commit: 81fa4d9cc50758e5baa101e02d0ceb849990793e
Parents: ed0a548
Author: Maxim Solodovnik <so...@gmail.com>
Authored: Fri Sep 8 19:24:14 2017 +0700
Committer: Maxim Solodovnik <so...@gmail.com>
Committed: Fri Sep 8 19:24:14 2017 +0700
----------------------------------------------------------------------
.../org/apache/openmeetings/web/room/room.js | 2 +-
.../openmeetings/web/room/wb/WbPanel.java | 10 +-
.../apache/openmeetings/web/room/wb/fabric.js | 18 +-
.../openmeetings/web/room/wb/fabric.min.js | 12 +-
.../org/apache/openmeetings/web/room/wb/wb.js | 398 ++++++++++---------
5 files changed, 239 insertions(+), 201 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/openmeetings/blob/81fa4d9c/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 4a47f33..0b5b001 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
@@ -593,7 +593,7 @@ var Room = (function() {
} else {
holder.removeClass('big').addClass('small');
}
- if (!!WbArea) {
+ if (typeof WbArea !== 'undefined') {
WbArea.resize(sb.width() + 5, w, h);
}
}
http://git-wip-us.apache.org/repos/asf/openmeetings/blob/81fa4d9c/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
----------------------------------------------------------------------
diff --git a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
index 060fd88..a2e4a4d 100644
--- a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
+++ b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
@@ -390,7 +390,7 @@ public class WbPanel extends AbstractWbPanel {
}
}
- private static JSONObject getAddWbJson(Whiteboard wb) {
+ private static JSONObject getAddWbJson(final Whiteboard wb) {
return new JSONObject().put("wbId", wb.getId())
.put("name", wb.getName())
.put("width", wb.getWidth())
@@ -481,13 +481,17 @@ public class WbPanel extends AbstractWbPanel {
File f = fi.getFile();
if (f.exists() && f.isFile()) {
try (BufferedReader br = Files.newBufferedReader(f.toPath())) {
+ final boolean[] updated = {false};
JSONArray arr = getArray(new JSONObject(new JSONTokener(br)), (o) -> {
wb.put(o.getString("uid"), o);
- WhiteboardCache.update(roomId, wb);
+ updated[0] = true;
return addFileUrl(wbs.getUid(), o, _f -> {
updateWbSize(wb, _f);
});
});
+ if (updated[0]) {
+ WhiteboardCache.update(roomId, wb);
+ }
sendWbAll(WbAction.setSize, getAddWbJson(wb));
sendWbAll(WbAction.load, getObjWbJson(wb.getId(), arr));
} catch (Exception e) {
@@ -504,7 +508,7 @@ public class WbPanel extends AbstractWbPanel {
.put("fileId", fi.getId())
.put("fileType", fi.getType().name())
.put("count", fi.getCount())
- .put("type", "image")
+ .put("type", FileItem.Type.Video == fi.getType() || FileItem.Type.Recording == fi.getType() ? "video" : "image")
.put("left", UPLOAD_WB_LEFT)
.put("top", UPLOAD_WB_TOP)
.put("width", fi.getWidth() == null ? DEFAULT_WIDTH : fi.getWidth())
http://git-wip-us.apache.org/repos/asf/openmeetings/blob/81fa4d9c/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 5741100..b2744b5 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
@@ -1,5 +1,4 @@
/* Licensed MIT https://github.com/kangax/fabric.js/blob/master/LICENSE */
-
/* build: `node build.js modules=ALL exclude=json,gestures minifier=uglifyjs` */
/*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */
@@ -247,6 +246,9 @@ fabric.Collection = {
* (if `renderOnAddRemove` is not `false`).
* in case of Group no changes to bounding box are made.
* Objects should be instances of (or inherit from) fabric.Object
+ * Use of this function is highly discouraged for groups.
+ * you can add a bunch of objects with the add method but then you NEED
+ * to run a addWithUpdate call for the Group class or position/bbox will be wrong.
* @param {...fabric.Object} object Zero or more fabric instances
* @return {Self} thisArg
* @chainable
@@ -265,6 +267,9 @@ fabric.Collection = {
/**
* Inserts an object into collection at specified index, then renders canvas (if `renderOnAddRemove` is not `false`)
* An object should be an instance of (or inherit from) fabric.Object
+ * Use of this function is highly discouraged for groups.
+ * you can add a bunch of objects with the insertAt method but then you NEED
+ * to run a addWithUpdate call for the Group class or position/bbox will be wrong.
* @param {Object} object Object to insert
* @param {Number} index Index to insert object at
* @param {Boolean} nonSplicing When `true`, no splicing (shifting) of objects occurs
@@ -9729,7 +9734,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
pointer = this.getPointer(e, ignoreZoom),
activeGroup = this.getActiveGroup(),
activeObject = this.getActiveObject(),
- activeTarget;
+ activeTarget, activeTargetSubs;
// first check current group (if one exists)
// active group does not check sub targets like normal groups.
// if active group just exits.
@@ -9750,12 +9755,15 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
}
else {
activeTarget = activeObject;
+ activeTargetSubs = this.targets;
+ this.targets = [];
}
}
var target = this._searchPossibleTargets(this._objects, pointer);
if (e[this.altSelectionKey] && target && activeTarget && target !== activeTarget) {
target = activeTarget;
+ this.targets = activeTargetSubs;
}
this._fireOverOutEvents(target, e);
return target;
@@ -18796,6 +18804,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
* @chainable
*/
destroy: function() {
+ // when group is destroyed objects needs to get a repaint to be eventually
+ // displayed on canvas.
+ this._objects.forEach(function(object) {
+ object.set('dirty', true);
+ });
return this._restoreObjectsState();
},
@@ -27066,3 +27079,4 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
}
})();
+
[2/3] openmeetings git commit: [OPENMEETINGS-1641] basic work on
video manipulations
Posted by so...@apache.org.
http://git-wip-us.apache.org/repos/asf/openmeetings/blob/81fa4d9c/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 abd070c..6149d34 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
@@ -1,10 +1,2 @@
-/* Licensed MIT */
-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 t!==!1}),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++)t=e.indexOf(arguments[r]),t!==-1&&(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"undefined"==typeof t?this._
objects:this._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);"undefined"!=typeof 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 i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x
,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return f
abric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;i<n;++i)s=s[r[i]];return s},loadImage:function(t,e,i,r){if(!t)return void(e&&e.call(i,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},enlivenObjects:function(t,e,i,r){function n(){++o===a&&e&&e(s)}t=t||[];var s=[],o=0,a=t.length,h=!0;return a?void t.forEach(function(t,e){if(!t||!t.type)return void n();var o=fabric.util.getKlass(t.type,i);o.fromObject(t,function(i,o){o||(s[e]=i),r&&r(t,i,o),n()},h)}):void(e&&e(s))},enlivenPatterns:function(t,e){function i(){++n===s&&e&&e(r)}t=t||[];var r=[],n=0,s=t.length;return s?void t.forEach(function(t,e){t&&t.source?new fabric.Pattern(t,function(t){r[e]=t,i()}):(r[e]=t,i())}):void(e&&e(r))},groupSVGElements:function(t,e,i){var r;return r=new fabric.PathGroup(t,e),"undefined"!=ty
peof i&&(r.sourcePath=i),r},populateWithProperties:function(t,e,i){if(i&&"[object Array]"===Object.prototype.toString.call(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],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(t){return t||(t=fabric.document.createElement("canvas")),t.getContext||"undefined"==typeof G_vmlCanvasManager||G_vmlCanvasManager.initElement(t),t},createImage:function(){return fabric.isLikelyNode?new(require("canvas").Image):fabric.document.createElement("img")},createAccessors:function(t){var e,i,r,n,s,o=t.prototype;for(e=o.stateProperties.length;e--;)i=o.stateProperties[e],r=i.charAt(0).toUpperCase()+i.slice(1),n="set"+r,s="get"+r,o[s]||(o[s]=function(t){return new Function('return this.get("'+t+'")')}(i)),o[n]||(o[n]=function(t){return new Fu
nction("value",'return this.set("'+t+'", value)')}(i))},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.setAngle(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.len
gth;for(n=3;n<h&&(s=a.data[n],o=s<=0,o!==!1);n+=4);return a=null,o},parsePreserveAspectRatioAttribute:function(t){var e,i="meet",r="Mid",n="Mid",s=t.split(" ");return s&&s.length&&(i=s.pop(),"meet"!==i&&"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;s=Math.abs(s),o=Math.abs(o);var m=-p*t*.5-g*r*.5,y=-p*r*.5+g*t*.5,_=s*s,x=o*o,C=y*y,S=m*m,w=_*x-_*C-x*S,O=0;if(w<0){var T=Math.sqrt(1-w/(_*x));s*=T,o*=T}else O=(h===c?-1:1)*Math.s
qrt(w/(_*C+x*S));var j=O*s*y/o,k=-O*o*m/s,M=p*j-g*k+.5*t,D=g*j+p*k+.5*r,A=i(1,0,(m-j)/s,(y-k)/o),P=i((m-j)/s,(y-k)/o,(-m-j)/s,(-y-k)/o);0===c&&P>0?P-=2*f:1===c&&P<0&&(P+=2*f);for(var E=Math.ceil(Math.abs(P/f*2)),I=[],L=P/E,F=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),B=A+L,R=0;R<E;R++)I[R]=e(A,B,p,g,s,o,M,D,F,v,b),v=I[R][4],b=I[R][5],A=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,y=r*n*v+i*o*b+c,_=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=y+l*(r*n*b-i*o*v);return s[d]=[_,x,C,S,m,y],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,y=Math.sqrt,_=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;g=-d/f,0<g&&g<1&&S.push(g)}else b=f*f-4*d*u,b<0||(m=y(b),p=(-f+m)/(2*u),0<p&&p<1&&S.push(p),v=(-f-m)/(2*u),0<v&&v<1&&S.push(v));for(var T,j,k,M=S.length,D=M;M--;)g=S[M],k=1-g,T=k*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 A=[{x:_.apply(null,w[0]),y:_.apply(null,w[1])},{x:x.apply(null,w[0]),y:x.apply(null,w[1])}];return o[l]=A,A}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=n[5],u=n[6],f=[[],[],[],[]],d=t(l-i,u-r,s,o,h,c,a),g=0,p=d.length;g<p;g++)f[g][0]=d[g][0]+i,f[g][1]=d[g][1]+r,f[g][2]=d[g][2]+i,f[g][3]=d[g][3]+r,f[g][4]=d[g][4]+i,f[g][5]=d[g][5]+r,e.bezierCurveTo.apply(e,f[g])},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.pu
sh({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){for(var i=s.call(arguments,2),r=[],n=0,o=t.length;n<o;n++)r[n]=i.length?t[n][e].apply(t[n],i):t[n][e].call(t[n]);return r}function e(t,e){return n(t,e,function(t,e){return t>=e})}function i(t,e){return n(t,e,function(t,e){return t<e})}function r(t,e){for(var i=t.length;i--;)t[i]=e;return t}function n(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 s=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?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:Mat
h.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=this.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 thi
s){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:r,invoke:t,min:i,max: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}function e(e,i){return t({},e,i)}fabric.util.object={extend:t,clone:e}}(),function(){function t(t){return t.replace(/-+(.)?/g,function(t,e){return e?e.toUpperCase():""})}function e(t,e){return t.charAt(0).toUpperCase()+(e?t.slice(1):t.slice(1).toLowerCase())}function i(t){return t.replace(/&/g,"&").replace(/"/g,""").replace(/'/g,"'").replace(/</g,"<").replace(/>/g,">")}String.prototype.trim||(String.prototype.trim=function(){return this.replace(/^[\s\xA0]+/,"").replace(/[\s\xA0]+$/,"")}),fabric.util.s
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h|mask)$/i,w=/^(symbol|g|a|svg)$/i,O={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX",opacity:"opacity"},T={stroke:"strokeOpacity",fill:"fillOpacity"};p.cssRules={},p.gradientDefs={},p.parseTransformAttribute=function(){function t(t,e){var i=Math.cos(e[0]),r=Math.sin(e[0]),n=0,s=0;3===e.length&&(n=e[1],s=e[2]),t[0]=i,t[1]=r,t[2]=-r,t[3]=i,t[4]=n-(i*n-r*s),t[5]=s-(r*n+i*s)}function e(t,e){var i=e[0],r=2===e.length?e[1]:e[0];t[0]=i,t[3]=r}function i(t,e,i){t[i]=Math.tan(p.util.degreesToRadians(e[0]))}function
r(t,e){t[4]=e[0],2===e.length&&(t[5]=e[1])}var n=[1,0,0,1,0,0],s=p.reNum,o="(?:\\s+,?\\s*|,\\s*)",a="(?:(skewX)\\s*\\(\\s*("+s+")\\s*\\))",h="(?:(skewY)\\s*\\(\\s*("+s+")\\s*\\))",c="(?:(rotate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+")"+o+"("+s+"))?\\s*\\))",l="(?:(scale)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",u="(?:(translate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",f="(?:(matrix)\\s*\\(\\s*("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")\\s*\\))",d="(?:"+f+"|"+u+"|"+l+"|"+c+"|"+a+"|"+h+")",g="(?:"+d+"(?:"+o+"*"+d+")*)",v="^\\s*(?:"+g+"?)\\s*$",b=new RegExp(v),m=new RegExp(d,"g");return function(s){var o=n.concat(),a=[];if(!s||s&&!b.test(s))return o;s.replace(m,function(s){var h=new RegExp(d).exec(s).filter(function(t){return!!t}),c=h[1],l=h.slice(2).map(parseFloat);switch(c){case"translate":r(o,l);break;case"rotate":l[0]=p.util.degreesToRadians(l[0]),t(o,l);break;case"scale":e(o,l);break;case"skewX":i(o,l,2);break;case"skewY":i(o,l,1);break;case"matrix":o=l}a.
push(o.concat()),o=n.concat()});for(var h=a[0];a.length>1;)a.shift(),h=p.util.multiplyTransformMatrices(h,a[0]);return h}}();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){o=t.selectNodes('//*[name(.)!="svg"]');for(var a=[],h=0,c=o.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)});if(!l||l&&!l.length)return void(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=y(s)),a&&(e.fontFamily=a),o&&(e.lineHeight="normal"===o?1:o)}},getGradientDefs:function(t){var e,i,r,s=["linearGradient","radialGradient","svg:linearGradient","svg:radialGradient"],o=n(t,s),a=0,h={},c={};for(a=o.length;a--;)e=o[a],r=e.getAttribute("xlink:href"),i=e.getAttribute("id"),r&&(c[i]=r.substr(1)),h[i]=e;for(i in c){var l=h[c[i]].cloneNode(!0);for(e=h[i];l.firstChild;)e.appendChild(l.firstChild)}return h},parseAttributes:function(t,n,s){if(t){var o,h,c={};"undefined"==typeof 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),o&&(e[i]=o),e},{});l=v(l,v(a(t,s),p.parseStyleAttribute(t)));var u,f,d={}
;for(var g in l)u=e(g),f=i(u,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;t=t.replace(/,/g," ").trim(),t=t.split(/\s+/);var e,i,r=[];for(e=0,i=t.length;e<i;e+=2)r.push({x:parseFloat(t[e]),y:parseFloat(t[e+1])});return r},getCSSRules:function(t){for(var e,i=t.getElementsByTagName("style"),r={},n=0,s=i.length;n<s;n++){var o=i[n].textContent||i[n].text;o=o.replace(/\/\*[\s\S]*?\*\//g,""),""!==o.trim()&&(e=o.match(/[^{]*\{[\s\S]*?\}/g),e=e.map(function(t){return t.trim()}),e.forEach(function(t){for(var e=t.match(/([\s\S]*?)\s*\{([^}]*)\}/),i={},n=e[2].trim(),s=n.replace(/;$/,"").split(/\s*;\s*/),o=0,a=s.length;o<a;o++){var h=s[o].split(/\s*:\s*/),c=h[0],l=h[1];i[c]=l}t=e[1],t.split(",")
.forEach(function(t){t=t.replace(/^svg/i,"").trim(),""!==t&&(r[t]?p.util.object.extend(r[t],i):r[t]=p.util.object.clone(i))})}))}return r},loadSVGFromURL:function(t,e,i,r){function n(t){var n=t.responseXML;n&&!n.documentElement&&p.window.ActiveXObject&&t.responseText&&(n=new ActiveXObject("Microsoft.XMLDOM"),n.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)}t=t.replace(/^\n\s*/,"").trim(),new p.util.request(t,{method:"get",onComplete:n})},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"),n.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?ex
ports: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.resol
veGradient(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);fabric.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={});return i.Point?void i.warn("fabric.Point is already defined"):(i.Point=e,void(e.prototype={type:"point",constructor:e,add:function(t){return new e(this.x+t.x,this.y+t.y)},addEquals:fu
nction(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,this.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"undefined"==typeof 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},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new 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={});return i.Intersection?void 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:functio
n(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"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;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},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Poin
t(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t
,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(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,e=this.getSource();return t=255*e[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||127,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=.5,s=this.getSource(),o=t.getSource(),a=0;a<3;a++)i.push(Math.round(s[a]*(1-n)+o[a]*n));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=function(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){v
ar 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))]}},void(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)/(/%$/.test(s)?100:1),s=s<0?0:s>1?1:s,n){var o=n.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:s,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],1
0),s="string"==typeof e[a]&&/^\d+%$/.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,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fab
ric.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,' c
x="',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(),s.reverse();for(var h=0;h<s.length;h++)s[h].offset=1-s[h].offset}var c=Math.min(r.r1,r.r2);if(c>0)for(var l=Math.max(r.r1,r.r2),u=c/l,h=0;h<s.length;h++)s[h].offset+=u*(1-s[h].offset)}for(var h=0;h<s.length;h++){var f=s[h];e.push("<stop ",'offset="',100*f.offset+"%",'" style="stop-color:',f.color,null!==f.opacity?";stop-opacity: "+f.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=th
is.colorStops.length;s<o;s++){var a=this.colorStops[s].color,h=this.colorStops[s].opacity,c=this.colorStops[s].offset;"undefined"!=typeof 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=[];o="linearGradient"===n.nodeName||"LINEARGRADIENT"===n.nodeName?"linear":"radial","linear"===o?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,o
ffsetY:0,initialize:function(t,e){if(t||(t={}),this.id=fabric.Object.__uid++,this.setOptions(t),!t.source||t.source&&"string"!=typeof t.source)return void(e&&e(this));if("undefined"!=typeof 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("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this
[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'<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="'+t
his.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}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` e
lement");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._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScalin
g: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.webkitImageSmoothing
Enabled||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("undefined"==typeof e.getContext)throw 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},_s
etCssDimension: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,r=!1,n=!0;this.viewportTransform=t;for(var s=0,o=this._objects.length;s<o;s++)e=this._objects[s],e.group||e.setCoords(r,n);return i&&i.setCoords(r,n),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);return 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:up",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);re
turn 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")},_renderObjects: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"],i&&(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._renderB
ackgroundOrOverlay(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.getVpCenter();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"),thi
s.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?th
is.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._setSVGBgOverlayImage(i,"overlayImage",e),i.push("</svg>"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('<?xml version="1.0" encoding="',e.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(t,e){var i,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.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"</defs>\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)});return e.join("")},createSVGFontFacesMarkup:function(){for(var t,e,i,r,n,s,o,a="",h={},c=fabric.fontPaths,l=this.getObjects(),u=0,f=l.length;u<f;u++)if(t=l[u],e=t.fontFamily,t.type.indexOf("text")!==-1&&!h[e]&&c[e]&&(h[e]=!0,t.styles)){i=t.styles;for(n in i){r=i[n];for(o in r)s=r[o],e=s.font
Family,!h[e]&&c[e]&&(h[e]=!0)}}for(var d in h)a+=["\t\t@font-face {\n","\t\t\tfont-family: '",d,"';\n","\t\t\tsrc: url('",c[d],"');\n","\t\t}\n"].join("");return a&&(a=['\t<style type="text/css">',"<![CDATA[\n",a,"]]>","</style>\n"].join("")),a},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r<s;r++)i=n[r],i.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(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderAll&&this.renderAll()},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=0;e<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),s>0+c&&(o=s-1,i(this._objects,n),this._objects.splice(o,0,n)),c++;else s=this._objects.indexOf(t),0!==s&&(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){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup,c=0;if(t===h)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s<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),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var n=e+1;n<this._objects.length;++n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e+1;return r},moveTo:function(t,e){return i(this._objects,t),this._objects.splice(e,0,t),this.render
All&&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"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,
shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.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}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMo
ve:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var n=1,s=this._points.length;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=ne
w 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"});return this.shadow&&(this.shadow.affectStroke=!0,e.setShadow(this.shadow)),e},_finalizeAndAddPath:function(){var t=this.canvas.contextTop;t.closePath();var e=this.convertPointsToSVGPath(this._points).join("");if("M 0 0 Q 0 0 0 0 L 0 0"===e)return void this.canvas.renderAll();var i=this.createPath(e);this.canvas.add(i),i.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),thi
s.canvas.fire("path:created",{path:i})}})}(),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.drawDot(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.can
vas.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()},_getOptimizedRects:function(t){for(var e,i={},r=0,n=t.length;r<n;r++)e=t[r].left+""+t[r].top,i[e]||(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];"undefined"!=typeof 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=20,e=5,i=fabric.document.createElement("canvas"),r=i.getContext("2d");return i.width=i.height=t+e,r.fillStyle=this.color,r.beginPath(),r.arc(t/2,t/2,t/2,0,2*Math.PI,!1),r.closePath(),r.fill(),i},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPa
ttern: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("setLineDash"),o=.5;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,se
lectionColor:"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._initEventListeners(),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.original.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="cent
er"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(t,e,i){var r,n=!0,s=i||this.getPointer(t,n);return r=e.group&&e.group===this.getActiveGroup()?this._normalizePointer(e.group,s):{x:s.x,y:s.y},e.containsPoint(r)||e._findTargetCorner(s)},_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.selectionBackgroundColor="",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},_getActionFromCorner: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.target,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="origin
Y"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.
atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&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="left")),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<
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