diff --git a/CHANGELOG.md b/CHANGELOG.md
index 710e0dbf8e4..440219741eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,27 @@
**Version 2.0.0**
-
+ - rc1
+ - Remove node specific code [#4470](https://github.com/kangax/fabric.js/pull/4470)
+ - Improved Canvas.dispose code to leak less memory [#4471](https://github.com/kangax/fabric.js/pull/4471)
+ - Remove extra padding of cache when upper limited [#4467](https://github.com/kangax/fabric.js/pull/4467)
+ - Solved 2 perfomances problems with textbox [#4466](https://github.com/kangax/fabric.js/pull/4466) [#4465](https://github.com/kangax/fabric.js/pull/4465)
+ - Added justify-left justify-right and justify-center [#4437](https://github.com/kangax/fabric.js/pull/4437)
+ - Fix Group fromObject and subTargetCheck [#4454](https://github.com/kangax/fabric.js/pull/4454)
+ - Fix regression on IMG from SVG [#4450](https://github.com/kangax/fabric.js/pull/4450)
+ - Remove cache dimensions together with canvas [#4453](https://github.com/kangax/fabric.js/pull/4453)
+ - Fixed some fuzzyness cases for cache [#4452](https://github.com/kangax/fabric.js/pull/4452)
+ - Fixed resize filter for webgl [#4426](https://github.com/kangax/fabric.js/pull/4426)
+ - Stop searching target during a mouse move with a transform [#4442](https://github.com/kangax/fabric.js/pull/4442)
+ - safeguard shaders for non supported precisions [#4433](https://github.com/kangax/fabric.js/pull/4433)
+ - fix insert and remove style for edge cases [#4420](https://github.com/kangax/fabric.js/pull/4420)
+ - Fix object.move when in active selection [#4394](https://github.com/kangax/fabric.js/pull/4394)
+ - Memoize calcTransformMatrix function [#4418](https://github.com/kangax/fabric.js/pull/4418)
+ - Make _set flag object as dirty just when a real change happen[#4415](https://github.com/kangax/fabric.js/pull/4415)
+ - Add browserShadowBlurConstant to adjust shadowBlur value [#4413](https://github.com/kangax/fabric.js/pull/4413)
+ - Fix set element not clearing the cacheTexture. [#4410](https://github.com/kangax/fabric.js/pull/4410)
+ - Multi selection key can be configured with an array of keys. [#4363](https://github.com/kangax/fabric.js/pull/4363)
+ - fix fast type in text loosing some style. [#4339](https://github.com/kangax/fabric.js/pull/4339)
+ - fixed division by zero with lockscaling flip.
+ - added paintFirst ( paint-order with svg support ) [#4303](https://github.com/kangax/fabric.js/pull/4303)
- beta7
- added a build flag for not attaching fabric to window [#4199](https://github.com/kangax/fabric.js/pull/4199)
- removed .active property from objects [#4200](https://github.com/kangax/fabric.js/pull/4200)
diff --git a/HEADER.js b/HEADER.js
index 190f52db48d..a69e069d997 100644
--- a/HEADER.js
+++ b/HEADER.js
@@ -1,6 +1,6 @@
/*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */
-var fabric = fabric || { version: '2.0.0-beta7' };
+var fabric = fabric || { version: '2.0.0-rc.1' };
if (typeof exports !== 'undefined') {
exports.fabric = fabric;
}
diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
index a085dc719d0..e2fd0127281 100644
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -25,7 +25,7 @@ Remove the template from below and provide thoughtful commentary *and code sampl
## Version
-2.0 beta
+2.0
## Test Case
http://jsfiddle.net/fabricjs/Da7SP/
diff --git a/dist/fabric.js b/dist/fabric.js
index bc1d60e1059..3c10a68bc92 100644
--- a/dist/fabric.js
+++ b/dist/fabric.js
@@ -1,7 +1,7 @@
/* build: `node build.js modules=ALL exclude=gestures,accessors minifier=uglifyjs` */
/*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */
-var fabric = fabric || { version: '2.0.0-beta7' };
+var fabric = fabric || { version: '2.0.0-rc.1' };
if (typeof exports !== 'undefined') {
exports.fabric = fabric;
}
@@ -18,9 +18,9 @@ else {
{ features: {
FetchExternalResources: ['img']
}
- });
-
+ });
fabric.window = fabric.document.defaultView;
+ DOMParser = require('xmldom').DOMParser;
}
/**
@@ -49,7 +49,7 @@ fabric.SHARED_ATTRIBUTES = [
"stroke", "stroke-dasharray", "stroke-linecap",
"stroke-linejoin", "stroke-miterlimit",
"stroke-opacity", "stroke-width",
- "id",
+ "id", "paint-order",
"instantiated_by_use"
];
/* _FROM_SVG_END_ */
@@ -119,6 +119,21 @@ fabric.devicePixelRatio = fabric.window.devicePixelRatio ||
fabric.window.webkitDevicePixelRatio ||
fabric.window.mozDevicePixelRatio ||
1;
+/**
+ * Browser-specific constant to adjust CanvasRenderingContext2D.shadowBlur value,
+ * which is unitless and not rendered equally across browsers.
+ *
+ * Values that work quite well (as of October 2017) are:
+ * - Chrome: 1.5
+ * - Edge: 1.75
+ * - Firefox: 0.9
+ * - Safari: 0.95
+ *
+ * @since 2.0.0
+ * @type Number
+ * @default 1
+ */
+fabric.browserShadowBlurConstant = 1;
fabric.initFilterBackend = function() {
if (fabric.enableGLFiltering && fabric.isWebglSupported && fabric.isWebglSupported(fabric.textureSize)) {
@@ -673,11 +688,11 @@ fabric.CommonMethods = {
var xPoints = [points[0].x, points[1].x, points[2].x, points[3].x],
minX = fabric.util.array.min(xPoints),
maxX = fabric.util.array.max(xPoints),
- width = Math.abs(minX - maxX),
+ width = maxX - minX,
yPoints = [points[0].y, points[1].y, points[2].y, points[3].y],
minY = fabric.util.array.min(yPoints),
maxY = fabric.util.array.max(yPoints),
- height = Math.abs(minY - maxY);
+ height = maxY - minY;
return {
left: minX,
@@ -841,11 +856,12 @@ fabric.CommonMethods = {
var img = fabric.util.createImage();
/** @ignore */
- img.onload = function () {
+ var onLoadCallback = function () {
callback && callback.call(context, img);
img = img.onload = img.onerror = null;
};
+ img.onload = onLoadCallback;
/** @ignore */
img.onerror = function() {
fabric.log('Error loading ' + img.src);
@@ -861,9 +877,43 @@ fabric.CommonMethods = {
img.crossOrigin = crossOrigin;
}
+ // IE10 / IE11-Fix: SVG contents from data: URI
+ // will only be available if the IMG is present
+ // in the DOM (and visible)
+ if (url.substring(0,14) === 'data:image/svg') {
+ img.onload = null;
+ fabric.util.loadImageInDom(img, onLoadCallback);
+ }
+
img.src = url;
},
+ /**
+ * Attaches SVG image with data: URL to the dom
+ * @memberOf fabric.util
+ * @param {Object} img Image object with data:image/svg src
+ * @param {Function} callback Callback; invoked with loaded image
+ * @return {Object} DOM element (div containing the SVG image)
+ */
+ loadImageInDom: function(img, onLoadCallback) {
+ var div = fabric.document.createElement('div');
+ div.style.width = div.style.height = '1px';
+ div.style.left = div.style.top = '-100%';
+ div.style.position = 'absolute';
+ div.appendChild(img);
+ fabric.document.querySelector('body').appendChild(div);
+ /**
+ * Wrap in function to:
+ * 1. Call existing callback
+ * 2. Cleanup DOM
+ */
+ img.onload = function () {
+ onLoadCallback();
+ div.parentNode.removeChild(div);
+ div = null;
+ };
+ },
+
/**
* Creates corresponding fabric instances from their object representations
* @static
@@ -3200,6 +3250,7 @@ if (typeof console !== 'undefined') {
'font-size': 'fontSize',
'font-style': 'fontStyle',
'font-weight': 'fontWeight',
+ 'paint-order': 'paintFirst',
'stroke-dasharray': 'strokeDashArray',
'stroke-linecap': 'strokeLineCap',
'stroke-linejoin': 'strokeLineJoin',
@@ -3274,6 +3325,17 @@ if (typeof console !== 'undefined') {
else if (attr === 'textAnchor' /* text-anchor */) {
value = value === 'start' ? 'left' : value === 'end' ? 'right' : 'center';
}
+ else if (attr === 'paintFirst') {
+ var fillIndex = value.indexOf('fill');
+ var strokeIndex = value.indexOf('stroke');
+ var value = 'fill';
+ if (fillIndex > -1 && strokeIndex > -1 && strokeIndex < fillIndex) {
+ value = 'stroke';
+ }
+ else if (fillIndex === -1 && strokeIndex > -1) {
+ value = 'stroke';
+ }
+ }
else {
parsed = isArray ? value.map(parseUnit) : parseUnit(value, fontSize);
}
@@ -4216,12 +4278,13 @@ fabric.ElementsParser.prototype._createObject = function(klass, el, index) {
fabric.ElementsParser.prototype.createCallback = function(index, el) {
var _this = this;
return function(obj) {
+ var _options;
_this.resolveGradient(obj, 'fill');
_this.resolveGradient(obj, 'stroke');
- obj._removeTransformMatrix();
if (obj instanceof fabric.Image) {
- obj.parsePreserveAspectRatioAttribute(el);
+ _options = obj.parsePreserveAspectRatioAttribute(el);
}
+ obj._removeTransformMatrix(_options);
_this.reviver && _this.reviver(el, obj);
_this.instances[index] = obj;
_this.checkIfDone();
@@ -6591,9 +6654,9 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
},
/**
- * Sets {@link fabric.StaticCanvas#overlayColor|background color} for this canvas
- * @param {(String|fabric.Pattern)} overlayColor Color or pattern to set background color to
- * @param {Function} callback Callback to invoke when background color is set
+ * Sets {@link fabric.StaticCanvas#overlayColor|foreground color} for this canvas
+ * @param {(String|fabric.Pattern)} overlayColor Color or pattern to set foreground color to
+ * @param {Function} callback Callback to invoke when foreground color is set
* @return {fabric.Canvas} thisArg
* @chainable
* @see {@link http://jsfiddle.net/fabricjs/pB55h/|jsFiddle demo}
@@ -7097,6 +7160,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
* @chainable
*/
renderCanvas: function(ctx, objects) {
+ var v = this.viewportTransform;
if (this.isRendering) {
fabric.util.cancelAnimFrame(this.isRendering);
this.isRendering = 0;
@@ -7111,7 +7175,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
ctx.save();
//apply viewport transform once for all rendering process
- ctx.transform.apply(ctx, this.viewportTransform);
+ ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);
this._renderObjects(ctx, objects);
ctx.restore();
if (!this.controlsAboveOverlay && this.interactive) {
@@ -7145,7 +7209,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
* @param {string} property 'background' or 'overlay'
*/
_renderBackgroundOrOverlay: function(ctx, property) {
- var object = this[property + 'Color'];
+ var object = this[property + 'Color'], v;
if (object) {
ctx.fillStyle = object.toLive
? object.toLive(ctx, this)
@@ -7160,8 +7224,9 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
object = this[property + 'Image'];
if (object) {
if (this[property + 'Vpt']) {
+ v = this.viewportTransform;
ctx.save();
- ctx.transform.apply(ctx, this.viewportTransform);
+ ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);
}
object.render(ctx);
this[property + 'Vpt'] && ctx.restore();
@@ -7880,7 +7945,12 @@ fabric.ElementsParser.prototype.checkIfDone = function() {
* @chainable
*/
dispose: function () {
- this.clear();
+ this._objects.length = 0;
+ this.backgroundImage = null;
+ this.overlayImage = null;
+ this._iTextInstances = null;
+ this.lowerCanvasEl = null;
+ this.cacheCanvasEl = null;
return this;
},
@@ -8011,12 +8081,19 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
strokeLineCap: 'round',
/**
- * Corner style of a brush (one of "bevil", "round", "miter")
+ * Corner style of a brush (one of "bevel", "round", "miter")
* @type String
* @default
*/
strokeLineJoin: 'round',
+ /**
+ * Maximum miter length (used for strokeLineJoin = "miter") of a brush's
+ * @type Number
+ * @default
+ */
+ strokeMiterLimit: 10,
+
/**
* Stroke Dash Array.
* @type Array
@@ -8041,10 +8118,10 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
*/
_setBrushStyles: function() {
var ctx = this.canvas.contextTop;
-
ctx.strokeStyle = this.color;
ctx.lineWidth = this.width;
ctx.lineCap = this.strokeLineCap;
+ ctx.miterLimit = this.strokeMiterLimit;
ctx.lineJoin = this.strokeLineJoin;
if (this.strokeDashArray && fabric.StaticCanvas.supports('setLineDash')) {
ctx.setLineDash(this.strokeDashArray);
@@ -8151,6 +8228,9 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
* @param {fabric.Point} point Point to be added to points array
*/
_addPoint: function(point) {
+ if (this._points.length > 1 && point.eq(this._points[this._points.length - 1])) {
+ return;
+ }
this._points.push(point);
},
@@ -8187,7 +8267,6 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
ctx.save();
ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);
ctx.beginPath();
-
//if we only have 2 points in the path and they are the same
//it means that the user only clicked the canvas without moving the mouse
//then we should be drawing a dot. A path isn't drawn between two identical dots
@@ -8227,9 +8306,13 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
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),
- len = points.length;
+ len = points.length, multSignX, multSignY, manyPoints = len > 2;
- path.push('M ', p1.x - width, ' ', p1.y, ' ');
+ if (manyPoints) {
+ multSignX = points[2].x < p2.x ? -1 : points[2].x === p2.x ? 0 : 1;
+ multSignY = points[2].y < p2.y ? -1 : points[2].y === p2.y ? 0 : 1;
+ }
+ path.push('M ', p1.x - multSignX * width, ' ', p1.y - multSignY * width, ' ');
for (i = 1; i < len; i++) {
if (!p1.eq(p2)) {
var midPoint = p1.midPointFrom(p2);
@@ -8243,7 +8326,11 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
p2 = points[i + 1];
}
}
- path.push('L ', p1.x + width, ' ', p1.y, ' ');
+ if (manyPoints) {
+ multSignX = p1.x > points[i - 2].x ? 1 : p1.x === points[i - 2].x ? 0 : -1;
+ multSignY = p1.y > points[i - 2].y ? 1 : p1.y === points[i - 2].y ? 0 : -1;
+ }
+ path.push('L ', p1.x + multSignX * width, ' ', p1.y + multSignY * width);
return path;
},
@@ -8258,6 +8345,7 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
stroke: this.color,
strokeWidth: this.width,
strokeLineCap: this.strokeLineCap,
+ strokeMiterLimit: this.strokeMiterLimit,
strokeLineJoin: this.strokeLineJoin,
strokeDashArray: this.strokeDashArray,
});
@@ -8293,13 +8381,12 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype
}
var path = this.createPath(pathData);
-
+ this.canvas.clearContext(this.canvas.contextTop);
this.canvas.add(path);
+ this.canvas.renderAll();
path.setCoords();
-
- this.canvas.clearContext(this.canvas.contextTop);
this._resetShadow();
- this.canvas.requestRenderAll();
+
// fire event 'path' created
this.canvas.fire('path:created', { path: path });
@@ -8716,11 +8803,12 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
* @see {@link fabric.Canvas#initialize} for constructor definition
*
* @fires object:added
+ * @fires object:removed
* @fires object:modified
* @fires object:rotating
* @fires object:scaling
* @fires object:moving
- * @fires object:selected
+ * @fires object:selected this event is deprecated. use selection:created
*
* @fires before:selection:cleared
* @fires selection:cleared
@@ -8825,12 +8913,13 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
selection: true,
/**
- * Indicates which key enable multiple click selection
+ * Indicates which key or keys enable multiple click selection
+ * Pass value as a string or array of strings
* values: 'altKey', 'shiftKey', 'ctrlKey'.
- * If `null` or 'none' or any other string that is not a modifier key
- * feature is disabled feature disabled.
+ * If `null` or empty or containing any other string that is not a modifier key
+ * feature is disabled.
* @since 1.6.2
- * @type String
+ * @type String|Array
* @default
*/
selectionKey: 'shiftKey',
@@ -9179,19 +9268,22 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
*/
isTargetTransparent: function (target, x, y) {
var ctx = this.contextCache,
- originalColor = target.selectionBackgroundColor;
+ originalColor = target.selectionBackgroundColor, v = this.viewportTransform;
- target.hasBorders = target.transparentCorners = false;
target.selectionBackgroundColor = '';
+ this.clearContext(ctx);
+
ctx.save();
- ctx.transform.apply(ctx, this.viewportTransform);
+ ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);
target.render(ctx);
ctx.restore();
target === this._activeObject && target._renderControls(ctx, {
hasBorders: false,
transparentCorners: false
+ }, {
+ hasBorders: false,
});
target.selectionBackgroundColor = originalColor;
@@ -9199,11 +9291,27 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
var isTransparent = fabric.util.isTransparent(
ctx, x, y, this.targetFindTolerance);
- this.clearContext(ctx);
-
return isTransparent;
},
+ /**
+ * takes an event and determins if selection key has been pressed
+ * @private
+ * @param {Event} e Event object
+ */
+ _isSelectionKeyPressed: function(e) {
+ var selectionKeyPressed = false;
+
+ if (Object.prototype.toString.call(this.selectionKey) === '[object Array]') {
+ selectionKeyPressed = !!this.selectionKey.find(function(key) { return e[key] === true; });
+ }
+ else {
+ selectionKeyPressed = e[this.selectionKey];
+ }
+
+ return selectionKeyPressed;
+ },
+
/**
* @private
* @param {Event} e Event object
@@ -9212,6 +9320,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
_shouldClearSelection: function (e, target) {
var activeObjects = this.getActiveObjects(),
activeObject = this._activeObject;
+
return (
!target
||
@@ -9220,7 +9329,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
activeObjects.length > 1 &&
activeObjects.indexOf(target) === -1 &&
activeObject !== target &&
- !e[this.selectionKey])
+ !this._isSelectionKeyPressed(e))
||
(target && !target.evented)
||
@@ -9578,8 +9687,8 @@ 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, signX = localMouse.x / Math.abs(localMouse.x),
- signY = localMouse.y / Math.abs(localMouse.y);
+ scaled, signX = localMouse.x < 0 ? -1 : 1,
+ signY = localMouse.y < 0 ? -1 : 1;
// We use transform.scaleX/Y instead of target.scaleX/Y
// because the object may have a min scale and we'll loose the proportions
@@ -9685,7 +9794,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
var lastAngle = atan2(t.ey - t.top, t.ex - t.left),
curAngle = atan2(y - t.top, x - t.left),
angle = radiansToDegrees(curAngle - lastAngle + t.theta),
- hasRoated = true;
+ hasRotated = true;
if (t.target.snapAngle > 0) {
var snapAngle = t.target.snapAngle,
@@ -9708,13 +9817,13 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
angle %= 360;
if (t.target.angle === angle) {
- hasRoated = false;
+ hasRotated = false;
}
else {
t.target.angle = angle;
}
- return hasRoated;
+ return hasRotated;
},
/**
@@ -10094,6 +10203,53 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
this.callSuper('_onObjectRemoved', obj);
},
+ /**
+ * @private
+ * Compares the old activeObject with the current one and fires correct events
+ * @param {fabric.Object} obj old activeObject
+ */
+ _fireSelectionEvents: function(oldObjects, e) {
+ var somethingChanged = false, objects = this.getActiveObjects(),
+ added = [], removed = [], opt = { e: e };
+ oldObjects.forEach(function(oldObject) {
+ if (objects.indexOf(oldObject) === -1) {
+ somethingChanged = true;
+ oldObject.fire('deselected', opt);
+ removed.push(oldObject);
+ }
+ });
+ objects.forEach(function(object) {
+ if (oldObjects.indexOf(object) === -1) {
+ somethingChanged = true;
+ object.fire('selected', opt);
+ added.push(object);
+ }
+ });
+ if (oldObjects.length > 0 && objects.length > 0) {
+ opt.selected = added;
+ opt.deselected = removed;
+ // added for backward compatibility
+ opt.updated = added[0] || removed[0];
+ opt.target = this._activeObject;
+ somethingChanged && this.fire('selection:updated', opt);
+ }
+ else if (objects.length > 0) {
+ // deprecated event
+ if (objects.length === 1) {
+ opt.target = added[0];
+ this.fire('object:selected', opt);
+ }
+ opt.selected = added;
+ // added for backward compatibility
+ opt.target = this._activeObject;
+ this.fire('selection:created', opt);
+ }
+ else if (oldObjects.length > 0) {
+ opt.deselected = removed;
+ this.fire('selection:cleared', opt);
+ }
+ },
+
/**
* Sets given object as the only active object on canvas
* @param {fabric.Object} object Object to set as an active one
@@ -10102,15 +10258,9 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
* @chainable
*/
setActiveObject: function (object, e) {
- var currentActiveObject = this._activeObject;
- if (object === currentActiveObject) {
- return this;
- }
- if (this._setActiveObject(object, e)) {
- currentActiveObject && currentActiveObject.fire('deselected', { e: e });
- this.fire('object:selected', { target: object, e: e });
- object.fire('selected', { e: e });
- }
+ var currentActives = this.getActiveObjects();
+ this._setActiveObject(object, e);
+ this._fireSelectionEvents(currentActives, e);
return this;
},
@@ -10159,14 +10309,12 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
* @chainable
*/
discardActiveObject: function (e) {
- var activeObject = this._activeObject;
- if (activeObject) {
- this.fire('before:selection:cleared', { target: activeObject, e: e });
- if (this._discardActiveObject(e)) {
- this.fire('selection:cleared', { e: e, target: activeObject });
- activeObject.fire('deselected', { e: e });
- }
+ var currentActives = this.getActiveObjects();
+ if (currentActives.length) {
+ this.fire('before:selection:cleared', { target: currentActives[0], e: e });
}
+ this._discardActiveObject(e);
+ this._fireSelectionEvents(currentActives, e);
return this;
},
@@ -10176,7 +10324,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
* @chainable
*/
dispose: function () {
- fabric.StaticCanvas.prototype.dispose.call(this);
var wrapper = this.wrapperEl;
this.removeListeners();
wrapper.removeChild(this.upperCanvasEl);
@@ -10186,6 +10333,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
wrapper.parentNode.replaceChild(this.lowerCanvasEl, this.wrapperEl);
}
delete this.wrapperEl;
+ fabric.StaticCanvas.prototype.dispose.call(this);
return this;
},
@@ -10949,7 +11097,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
else {
this._transformObject(e);
}
- this._handleEvent(e, 'move', target ? target : null);
+ this._handleEvent(e, 'move', this._currentTransform ? null : target);
},
/**
@@ -11202,7 +11350,8 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
*/
_shouldGroup: function(e, target) {
var activeObject = this._activeObject;
- return activeObject && e[this.selectionKey] && target && target.selectable && this.selection &&
+
+ return activeObject && this._isSelectionKeyPressed(e) && target && target.selectable && this.selection &&
(activeObject !== target || activeObject.type === 'activeSelection');
},
@@ -11236,33 +11385,31 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
* @private
*/
_updateActiveSelection: function(target, e) {
- var activeSelection = this._activeObject;
+ var activeSelection = this._activeObject,
+ currentActiveObjects = activeSelection._objects.slice(0);
if (activeSelection.contains(target)) {
activeSelection.removeWithUpdate(target);
- target.fire('deselected', { e: e });
this._hoveredTarget = target;
if (activeSelection.size() === 1) {
// activate last remaining object
- this.setActiveObject(activeSelection.item(0), e);
- return;
+ this._setActiveObject(activeSelection.item(0), e);
}
}
else {
activeSelection.addWithUpdate(target);
- target.fire('selected', { e: e });
this._hoveredTarget = activeSelection;
}
- this.fire('selection:updated', { target: activeSelection, e: e, updated: target });
+ this._fireSelectionEvents(currentActiveObjects, e);
},
/**
* @private
*/
_createActiveSelection: function(target, e) {
- var group = this._createGroup(target);
- this.setActiveObject(group, e);
- target.fire('selected', { e: e });
- this.fire('selection:created', { target: group, e: e });
+ var currentActives = this.getActiveObjects(), group = this._createGroup(target);
+ this._hoveredTarget = group;
+ this._setActiveObject(group, e);
+ this._fireSelectionEvents(currentActives, e);
},
/**
@@ -11298,11 +11445,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab
aGroup = new fabric.ActiveSelection(group.reverse(), {
canvas: this
});
- group.forEach(function(object) {
- object.fire('selected', { e: e });
- });
this.setActiveObject(aGroup, e);
- this.fire('selection:created', { target: aGroup, e: e });
}
},
@@ -12259,6 +12402,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
*/
__corner: 0,
+ /**
+ * Determins if the fill or the stroke is drawn first (one of "fill" or "stroke")
+ * @type String
+ * @default
+ */
+ paintFirst: 'fill',
+
/**
* List of properties to consider when checking if state
* of an object is changed (fabric.Object#hasStateChanged)
@@ -12269,7 +12419,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
'top left width height scaleX scaleY flipX flipY originX originY transformMatrix ' +
'stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit ' +
'angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor ' +
- 'skewX skewY fillRule'
+ 'skewX skewY fillRule paintFirst'
).split(' '),
/**
@@ -12277,7 +12427,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
* @type Array
*/
cacheProperties: (
- 'fill stroke strokeWidth strokeDashArray width height' +
+ 'fill stroke strokeWidth strokeDashArray width height paintFirst' +
' strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor'
).split(' '),
@@ -12319,25 +12469,30 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
*/
_limitCacheSize: function(dims) {
var perfLimitSizeTotal = fabric.perfLimitSizeTotal,
- maximumSide = fabric.cacheSideLimit,
width = dims.width, height = dims.height,
- ar = width / height, limitedDims = fabric.util.limitDimsByArea(ar, perfLimitSizeTotal, maximumSide),
- capValue = fabric.util.capValue, max = fabric.maxCacheSideLimit, min = fabric.minCacheSideLimit,
+ max = fabric.maxCacheSideLimit, min = fabric.minCacheSideLimit;
+ if (width <= max && height <= max && width * height <= perfLimitSizeTotal) {
+ if (width < min) {
+ dims.width = min;
+ }
+ if (height < min) {
+ dims.height = min;
+ }
+ return dims;
+ }
+ var ar = width / height, limitedDims = fabric.util.limitDimsByArea(ar, perfLimitSizeTotal),
+ capValue = fabric.util.capValue,
x = capValue(min, limitedDims.x, max),
y = capValue(min, limitedDims.y, max);
if (width > x) {
dims.zoomX /= width / x;
dims.width = x;
- }
- else if (width < min) {
- dims.width = min;
+ dims.capped = true;
}
if (height > y) {
dims.zoomY /= height / y;
dims.height = y;
- }
- else if (height < min) {
- dims.height = min;
+ dims.capped = true;
}
return dims;
},
@@ -12346,6 +12501,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
* Return the dimension and the zoom level needed to create a cache canvas
* big enough to host the object to be cached.
* @private
+ * @param {Object} dim.x width of object to be cached
+ * @param {Object} dim.y height of object to be cached
* @return {Object}.width width of canvas
* @return {Object}.height height of canvas
* @return {Object}.zoomX zoomX zoom value to unscale the canvas before drawing cache
@@ -12354,17 +12511,21 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
_getCacheCanvasDimensions: function() {
var zoom = this.canvas && this.canvas.getZoom() || 1,
objectScale = this.getObjectScaling(),
- dim = this._getNonTransformedDimensions(),
retina = this.canvas && this.canvas._isRetinaScaling() ? fabric.devicePixelRatio : 1,
+ dim = this._getNonTransformedDimensions(),
zoomX = objectScale.scaleX * zoom * retina,
zoomY = objectScale.scaleY * zoom * retina,
width = dim.x * zoomX,
height = dim.y * zoomY;
return {
+ // for sure this ALIASING_LIMIT is slightly crating problem
+ // in situation in wich the cache canvas gets an upper limit
width: width + ALIASING_LIMIT,
height: height + ALIASING_LIMIT,
zoomX: zoomX,
- zoomY: zoomY
+ zoomY: zoomY,
+ x: dim.x,
+ y: dim.y
};
},
@@ -12376,14 +12537,16 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
*/
_updateCacheCanvas: function() {
if (this.noScaleCache && this.canvas && this.canvas._currentTransform) {
- var action = this.canvas._currentTransform.action;
- if (action.slice && action.slice(0, 5) === 'scale') {
+ var target = this.canvas._currentTransform.target,
+ action = this.canvas._currentTransform.action;
+ if (this === target && action.slice && action.slice(0, 5) === 'scale') {
return false;
}
}
- var dims = this._limitCacheSize(this._getCacheCanvasDimensions()),
+ var canvas = this._cacheCanvas,
+ dims = this._limitCacheSize(this._getCacheCanvasDimensions()),
minCacheSize = fabric.minCacheSideLimit,
- width = dims.width, height = dims.height,
+ width = dims.width, height = dims.height, drawingWidth, drawingHeight,
zoomX = dims.zoomX, zoomY = dims.zoomY,
dimensionsChanged = width !== this.cacheWidth || height !== this.cacheHeight,
zoomChanged = this.zoomX !== zoomX || this.zoomY !== zoomY,
@@ -12396,22 +12559,24 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
sizeShrinking = (width < canvasWidth * 0.9 || height < canvasHeight * 0.9) &&
canvasWidth > minCacheSize && canvasHeight > minCacheSize;
shouldResizeCanvas = sizeGrowing || sizeShrinking;
- if (sizeGrowing) {
- additionalWidth = (width * 0.1) & ~1;
- additionalHeight = (height * 0.1) & ~1;
+ if (sizeGrowing && !dims.capped && (width > minCacheSize || height > minCacheSize)) {
+ additionalWidth = width * 0.1;
+ additionalHeight = height * 0.1;
}
}
if (shouldRedraw) {
if (shouldResizeCanvas) {
- this._cacheCanvas.width = Math.max(Math.ceil(width) + additionalWidth, minCacheSize);
- this._cacheCanvas.height = Math.max(Math.ceil(height) + additionalHeight, minCacheSize);
- this.cacheTranslationX = (width + additionalWidth) / 2;
- this.cacheTranslationY = (height + additionalHeight) / 2;
+ canvas.width = Math.ceil(width + additionalWidth);
+ canvas.height = Math.ceil(height + additionalHeight);
}
else {
this._cacheContext.setTransform(1, 0, 0, 1, 0, 0);
- this._cacheContext.clearRect(0, 0, this._cacheCanvas.width, this._cacheCanvas.height);
+ this._cacheContext.clearRect(0, 0, canvas.width, canvas.height);
}
+ drawingWidth = dims.x * zoomX / 2;
+ drawingHeight = dims.y * zoomY / 2;
+ this.cacheTranslationX = Math.round(canvas.width / 2 - drawingWidth) + drawingWidth;
+ this.cacheTranslationY = Math.round(canvas.height / 2 - drawingHeight) + drawingHeight;
this.cacheWidth = width;
this.cacheHeight = height;
this._cacheContext.translate(this.cacheTranslationX, this.cacheTranslationY);
@@ -12439,21 +12604,16 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
/**
* Transforms context when rendering an object
* @param {CanvasRenderingContext2D} ctx Context
- * @param {Boolean} fromLeft When true, context is transformed to object's top/left corner. This is used when rendering text on Node
*/
- transform: function(ctx, fromLeft) {
+ transform: function(ctx) {
+ var m;
if (this.group && !this.group._transformDone) {
- this.group.transform(ctx);
+ m = this.calcTransformMatrix();
}
- var center = fromLeft ? this._getLeftTopCoords() : this.getCenterPoint();
- ctx.translate(center.x, center.y);
- this.angle && ctx.rotate(degreesToRadians(this.angle));
- ctx.scale(
- this.scaleX * (this.flipX ? -1 : 1),
- this.scaleY * (this.flipY ? -1 : 1)
- );
- this.skewX && ctx.transform(1, 0, Math.tan(degreesToRadians(this.skewX)), 1, 0, 0);
- this.skewY && ctx.transform(1, Math.tan(degreesToRadians(this.skewY)), 0, 1, 0, 0);
+ else {
+ m = this.calcOwnMatrix();
+ }
+ ctx.transform(m[0], m[1], m[2], m[3], m[4], m[5]);
},
/**
@@ -12491,6 +12651,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
clipTo: this.clipTo && String(this.clipTo),
backgroundColor: this.backgroundColor,
fillRule: this.fillRule,
+ paintFirst: this.paintFirst,
globalCompositeOperation: this.globalCompositeOperation,
transformMatrix: this.transformMatrix ? this.transformMatrix.concat() : null,
skewX: toFixed(this.skewX, NUM_FRACTION_DIGITS),
@@ -12579,7 +12740,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
* @return {fabric.Object} thisArg
*/
_set: function(key, value) {
- var shouldConstrainValue = (key === 'scaleX' || key === 'scaleY');
+ var shouldConstrainValue = (key === 'scaleX' || key === 'scaleY'),
+ isChanged = this[key] !== value, groupNeedsUpdate = false;
if (shouldConstrainValue) {
value = this._constrainScale(value);
@@ -12601,15 +12763,15 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
this[key] = value;
- if (this.cacheProperties.indexOf(key) > -1) {
- if (this.group) {
+ if (isChanged) {
+ groupNeedsUpdate = this.group && this.group.isOnACache();
+ if (this.cacheProperties.indexOf(key) > -1) {
+ this.dirty = true;
+ groupNeedsUpdate && this.group.set('dirty', true);
+ }
+ else if (groupNeedsUpdate && this.stateProperties.indexOf(key) > -1) {
this.group.set('dirty', true);
}
- this.dirty = true;
- }
-
- if (this.group && this.stateProperties.indexOf(key) > -1 && this.group.isOnACache()) {
- this.group.set('dirty', true);
}
return this;
@@ -12682,6 +12844,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
this.drawCacheOnCanvas(ctx);
}
else {
+ this._removeCacheCanvas();
this.dirty = false;
this.drawObject(ctx);
if (this.objectCaching && this.statefullCache) {
@@ -12692,6 +12855,15 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
ctx.restore();
},
+ /**
+ * Remove cacheCanvas and its dimensions from the objects
+ */
+ _removeCacheCanvas: function() {
+ this._cacheCanvas = null;
+ this.cacheWidth = 0;
+ this.cacheHeight = 0;
+ },
+
/**
* When set to `true`, force the object to have its own cache, even if it is inside a group
* it may be needed when your object behave in a particular way on the cache and always needs
@@ -12701,6 +12873,9 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
* @returns false
*/
needsItsOwnCache: function() {
+ if (this.paintFirst === 'stroke' && typeof this.shadow === 'object') {
+ return true;
+ }
return false;
},
@@ -12901,7 +13076,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
multY *= fabric.devicePixelRatio;
}
ctx.shadowColor = this.shadow.color;
- ctx.shadowBlur = this.shadow.blur * (multX + multY) * (scaling.scaleX + scaling.scaleY) / 4;
+ ctx.shadowBlur = this.shadow.blur * fabric.browserShadowBlurConstant *
+ (multX + multY) * (scaling.scaleX + scaling.scaleY) / 4;
ctx.shadowOffsetX = this.shadow.offsetX * multX * scaling.scaleX;
ctx.shadowOffsetY = this.shadow.offsetY * multY * scaling.scaleY;
},
@@ -12928,16 +13104,31 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
if (!filler || !filler.toLive) {
return { offsetX: 0, offsetY: 0 };
}
- var transform = filler.gradientTransform || filler.patternTransform;
+ var t = filler.gradientTransform || filler.patternTransform;
var offsetX = -this.width / 2 + filler.offsetX || 0,
offsetY = -this.height / 2 + filler.offsetY || 0;
ctx.translate(offsetX, offsetY);
- if (transform) {
- ctx.transform.apply(ctx, transform);
+ if (t) {
+ ctx.transform(t[0], t[1], t[2], t[3], t[4], t[5]);
}
return { offsetX: offsetX, offsetY: offsetY };
},
+ /**
+ * @private
+ * @param {CanvasRenderingContext2D} ctx Context to render on
+ */
+ _renderPaintInOrder: function(ctx) {
+ if (this.paintFirst === 'stroke') {
+ this._renderStroke(ctx);
+ this._renderFill(ctx);
+ }
+ else {
+ this._renderFill(ctx);
+ this._renderStroke(ctx);
+ }
+ },
+
/**
* @private
* @param {CanvasRenderingContext2D} ctx Context to render on
@@ -13008,16 +13199,26 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
* This function is an helper for svg import. it removes the transform matrix
* and set to object properties that fabricjs can handle
* @private
- * @chainable
+ * @param {Object} preserveAspectRatioOptions
* @return {thisArg}
*/
- _removeTransformMatrix: function() {
+ _removeTransformMatrix: function(preserveAspectRatioOptions) {
var center = this._findCenterFromElement();
if (this.transformMatrix) {
this._assignTransformMatrixProps();
center = fabric.util.transformPoint(center, this.transformMatrix);
}
this.transformMatrix = null;
+ if (preserveAspectRatioOptions) {
+ this.scaleX *= preserveAspectRatioOptions.scaleX;
+ this.scaleY *= preserveAspectRatioOptions.scaleY;
+ this.cropX = preserveAspectRatioOptions.cropX;
+ this.cropY = preserveAspectRatioOptions.cropY;
+ center.x += preserveAspectRatioOptions.offsetLeft;
+ center.y += preserveAspectRatioOptions.offsetTop;
+ this.width = preserveAspectRatioOptions.width;
+ this.height = preserveAspectRatioOptions.height;
+ }
this.setPositionByOrigin(center, 'center', 'center');
},
@@ -13732,6 +13933,16 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
*/
aCoords: null,
+ /**
+ * storage for object transform matrix
+ */
+ ownMatrixCache: null,
+
+ /**
+ * storage for object full transform matrix
+ */
+ matrixCache: null,
+
/**
* return correct set of coordinates for intersection
*/
@@ -13942,24 +14153,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
return xcount;
},
- /**
- * Returns width of an object's bounding rectangle
- * @deprecated since 1.0.4
- * @return {Number} width value
- */
- getBoundingRectWidth: function() {
- return this.getBoundingRect().width;
- },
-
- /**
- * Returns height of an object's bounding rectangle
- * @deprecated since 1.0.4
- * @return {Number} height value
- */
- getBoundingRectHeight: function() {
- return this.getBoundingRect().height;
- },
-
/**
* Returns coordinates of object's bounding rectangle (left, top, width, height)
* the box is intented as aligned to axis of canvas.
@@ -14024,24 +14217,26 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
/**
* Scales an object to a given width, with respect to bounding box (scaling by x/y equally)
* @param {Number} value New width value
+ * @param {Boolean} absolute ignore viewport
* @return {fabric.Object} thisArg
* @chainable
*/
- scaleToWidth: function(value) {
+ scaleToWidth: function(value, absolute) {
// adjust to bounding rect factor so that rotated shapes would fit as well
- var boundingRectFactor = this.getBoundingRect().width / this.getScaledWidth();
+ var boundingRectFactor = this.getBoundingRect(absolute).width / this.getScaledWidth();
return this.scale(value / this.width / boundingRectFactor);
},
/**
* Scales an object to a given height, with respect to bounding box (scaling by x/y equally)
* @param {Number} value New height value
+ * @param {Boolean} absolute ignore viewport
* @return {fabric.Object} thisArg
* @chainable
*/
- scaleToHeight: function(value) {
+ scaleToHeight: function(value, absolute) {
// adjust to bounding rect factor so that rotated shapes would fit as well
- var boundingRectFactor = this.getBoundingRect().height / this.getScaledHeight();
+ var boundingRectFactor = this.getBoundingRect(absolute).height / this.getScaledHeight();
return this.scale(value / this.height / boundingRectFactor);
},
@@ -14055,8 +14250,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
vpt = this.getViewportTransform(),
dim = absolute ? this._getTransformedDimensions() : this._calculateCurrentDimensions(),
currentWidth = dim.x, currentHeight = dim.y,
- sinTh = Math.sin(theta),
- cosTh = Math.cos(theta),
+ sinTh = theta ? Math.sin(theta) : 0,
+ cosTh = theta ? Math.cos(theta) : 1,
_angle = currentWidth > 0 ? Math.atan(currentHeight / currentWidth) : 0,
_hypotenuse = (currentWidth / Math.cos(_angle)) / 2,
offsetX = Math.cos(_angle + theta) * _hypotenuse,
@@ -14143,6 +14338,15 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
return fabric.iMatrix.concat();
},
+ transformMatrixKey: function(skipGroup) {
+ var sep = '_', prefix = '';
+ if (!skipGroup && this.group) {
+ prefix = this.group.transformMatrixKey(skipGroup) + sep;
+ };
+ return prefix + this.top + sep + this.left + sep + this.scaleX + sep + this.scaleY +
+ sep + this.skewX + sep + this.skewY + sep + this.angle + sep + this.flipX + sep + this.flipY;
+ },
+
/**
* calculate trasform Matrix that represent current transformation from
* object properties.
@@ -14150,22 +14354,38 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati
* @return {Array} matrix Transform Matrix for the object
*/
calcTransformMatrix: function(skipGroup) {
- var center = this.getCenterPoint(),
- translateMatrix = [1, 0, 0, 1, center.x, center.y],
- rotateMatrix,
- dimensionMatrix = this._calcDimensionsTransformMatrix(this.skewX, this.skewY, true),
- matrix;
- if (this.group && !skipGroup) {
- matrix = multiplyMatrices(this.group.calcTransformMatrix(), translateMatrix);
+ if (skipGroup) {
+ return this.calcOwnMatrix();
}
- else {
- matrix = translateMatrix;
+ var key = this.transformMatrixKey(), cache = this.matrixCache || (this.matrixCache = {});
+ if (cache.key === key) {
+ return cache.value;
+ }
+ var matrix = this.calcOwnMatrix();
+ if (this.group) {
+ matrix = multiplyMatrices(this.group.calcTransformMatrix(), matrix);
+ }
+ cache.key = key;
+ cache.value = matrix;
+ return matrix;
+ },
+
+ calcOwnMatrix: function() {
+ var key = this.transformMatrixKey(true), cache = this.ownMatrixCache || (this.ownMatrixCache = {});
+ if (cache.key === key) {
+ return cache.value;
}
+ var center = this.getCenterPoint(),
+ matrix = [1, 0, 0, 1, center.x, center.y],
+ rotateMatrix,
+ dimensionMatrix = this._calcDimensionsTransformMatrix(this.skewX, this.skewY, true);
if (this.angle) {
rotateMatrix = this._calcRotateMatrix();
matrix = multiplyMatrices(matrix, rotateMatrix);
}
matrix = multiplyMatrices(matrix, dimensionMatrix);
+ cache.key = key;
+ cache.value = matrix;
return matrix;
},
@@ -14326,7 +14546,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
* @chainable
*/
moveTo: function(index) {
- if (this.group) {
+ if (this.group && this.group.type !== 'activeSelection') {
fabric.StaticCanvas.prototype.moveTo.call(this.group, this, index);
}
else {
@@ -14404,15 +14624,18 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
* @return {String}
*/
getSvgSpanStyles: function(style, useWhiteSpace) {
- var strokeWidth = style.strokeWidth ? 'stroke-width: ' + style.strokeWidth + '; ' : '',
- fontFamily = style.fontFamily ? 'font-family: ' + style.fontFamily.replace(/"/g, '\'') + '; ' : '',
- fontSize = style.fontSize ? 'font-size: ' + style.fontSize + '; ' : '',
- fontStyle = style.fontStyle ? 'font-style: ' + style.fontStyle + '; ' : '',
- fontWeight = style.fontWeight ? 'font-weight: ' + style.fontWeight + '; ' : '',
+ var term = '; ',
+ strokeWidth = style.strokeWidth ? 'stroke-width: ' + style.strokeWidth + term : '',
+ fontFamily = style.fontFamily ? 'font-family: ' + style.fontFamily.replace(/"/g, '\'') + term : '',
+ fontSize = style.fontSize ? 'font-size: ' + style.fontSize + term : '',
+ fontStyle = style.fontStyle ? 'font-style: ' + style.fontStyle + term : '',
+ fontWeight = style.fontWeight ? 'font-weight: ' + style.fontWeight + term : '',
fill = style.fill ? getSvgColorString('fill', style.fill) : '',
stroke = style.stroke ? getSvgColorString('stroke', style.stroke) : '',
textDecoration = this.getSvgTextDecoration(style);
-
+ if (textDecoration) {
+ textDecoration = 'text-decoration: ' + textDecoration + term;
+ }
return [
stroke,
strokeWidth,
@@ -14428,8 +14651,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
getSvgTextDecoration: function(style) {
if ('overline' in style || 'underline' in style || 'linethrough' in style) {
- return 'text-decoration: ' + (style.overline ? 'overline ' : '') +
- (style.underline ? 'underline ' : '') + (style.linethrough ? 'line-through ' : '') + ';';
+ return (style.overline ? 'overline ' : '') +
+ (style.underline ? 'underline ' : '') + (style.linethrough ? 'line-through ' : '');
}
return '';
},
@@ -14534,6 +14757,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
markup.push(this.shadow.toSVG(this));
}
return markup;
+ },
+
+ addPaintOrder: function() {
+ return this.paintFirst !== 'fill' ? ' paint-order="' + this.paintFirst + '" ' : '';
}
});
})();
@@ -15301,14 +15528,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
return;
}
- var cacheProperties = fabric.Object.prototype.cacheProperties.concat();
- cacheProperties.push(
- 'x1',
- 'x2',
- 'y1',
- 'y2'
- );
-
/**
* Line class
* @class fabric.Line
@@ -15352,7 +15571,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
y2: 0,
- cacheProperties: cacheProperties,
+ cacheProperties: fabric.Object.prototype.cacheProperties.concat('x1', 'x2', 'y1', 'y2'),
/**
* Constructor
@@ -15655,11 +15874,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
return;
}
- var cacheProperties = fabric.Object.prototype.cacheProperties.concat();
- cacheProperties.push(
- 'radius'
- );
-
/**
* Circle class
* @class fabric.Circle
@@ -15696,7 +15910,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
endAngle: pi * 2,
- cacheProperties: cacheProperties,
+ cacheProperties: fabric.Object.prototype.cacheProperties.concat('radius'),
/**
* Constructor
@@ -15750,8 +15964,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
'r="', this.radius,
'" style="', this.getSvgStyles(),
'" transform="', this.getSvgTransform(),
- ' ', this.getSvgTransformMatrix(),
- '"/>\n'
+ ' ', this.getSvgTransformMatrix(), '"',
+ this.addPaintOrder(),
+ '/>\n'
);
}
else {
@@ -15767,7 +15982,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
' 0 ', +largeFlag + ' 1', ' ' + endX + ' ' + endY,
'" style="', this.getSvgStyles(),
'" transform="', this.getSvgTransform(),
- ' ', this.getSvgTransformMatrix(),
+ ' ', this.getSvgTransformMatrix(), '"',
+ this.addPaintOrder(),
'"/>\n'
);
}
@@ -15782,13 +15998,13 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
_render: function(ctx) {
ctx.beginPath();
- ctx.arc(0,
+ ctx.arc(
+ 0,
0,
this.radius,
this.startAngle,
this.endAngle, false);
- this._renderFill(ctx);
- this._renderStroke(ctx);
+ this._renderPaintInOrder(ctx);
},
/**
@@ -15924,8 +16140,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
ctx.lineTo(widthBy2, heightBy2);
ctx.closePath();
- this._renderFill(ctx);
- this._renderStroke(ctx);
+ this._renderPaintInOrder(ctx);
},
/**
@@ -15964,8 +16179,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
''
+ '" transform="', this.getSvgTransform(), '"',
+ this.addPaintOrder(),
+ '/>'
);
return reviver ? reviver(markup.join('')) : markup.join('');
@@ -16000,12 +16216,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
return;
}
- var cacheProperties = fabric.Object.prototype.cacheProperties.concat();
- cacheProperties.push(
- 'rx',
- 'ry'
- );
-
/**
* Ellipse class
* @class fabric.Ellipse
@@ -16036,7 +16246,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
ry: 0,
- cacheProperties: cacheProperties,
+ cacheProperties: fabric.Object.prototype.cacheProperties.concat('rx', 'ry'),
/**
* Constructor
@@ -16113,8 +16323,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
'" ry="', this.ry,
'" style="', this.getSvgStyles(),
'" transform="', this.getSvgTransform(),
- this.getSvgTransformMatrix(),
- '"/>\n'
+ this.getSvgTransformMatrix(), '"',
+ this.addPaintOrder(),
+ '/>\n'
);
return reviver ? reviver(markup.join('')) : markup.join('');
@@ -16137,8 +16348,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
piBy2,
false);
ctx.restore();
- this._renderFill(ctx);
- this._renderStroke(ctx);
+ this._renderPaintInOrder(ctx);
},
});
@@ -16198,12 +16408,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
return;
}
- var stateProperties = fabric.Object.prototype.stateProperties.concat();
- stateProperties.push('rx', 'ry');
-
- var cacheProperties = fabric.Object.prototype.cacheProperties.concat();
- cacheProperties.push('rx', 'ry');
-
/**
* Rectangle class
* @class fabric.Rect
@@ -16218,7 +16422,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
* as well as for history (undo/redo) purposes
* @type Array
*/
- stateProperties: stateProperties,
+ stateProperties: fabric.Object.prototype.stateProperties.concat('rx', 'ry'),
/**
* Type of an object
@@ -16241,7 +16445,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
ry: 0,
- cacheProperties: cacheProperties,
+ cacheProperties: fabric.Object.prototype.cacheProperties.concat('rx', 'ry'),
/**
* Constructor
@@ -16305,8 +16509,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
ctx.closePath();
- this._renderFill(ctx);
- this._renderStroke(ctx);
+ this._renderPaintInOrder(ctx);
},
/**
@@ -16351,8 +16554,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
'" width="', this.width, '" height="', this.height,
'" style="', this.getSvgStyles(),
'" transform="', this.getSvgTransform(),
- this.getSvgTransformMatrix(),
- '"/>\n');
+ this.getSvgTransformMatrix(), '"',
+ this.addPaintOrder(),
+ '/>\n');
return reviver ? reviver(markup.join('')) : markup.join('');
},
@@ -16422,9 +16626,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
return;
}
- var cacheProperties = fabric.Object.prototype.cacheProperties.concat();
- cacheProperties.push('points');
-
/**
* Polyline class
* @class fabric.Polyline
@@ -16447,7 +16648,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
points: null,
- cacheProperties: cacheProperties,
+ cacheProperties: fabric.Object.prototype.cacheProperties.concat('points'),
/**
* Constructor
@@ -16547,8 +16748,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
'points="', points.join(''),
'" style="', this.getSvgStyles(),
'" transform="', this.getSvgTransform(),
- ' ', this.getSvgTransformMatrix(),
- '"/>\n'
+ ' ', this.getSvgTransformMatrix(), '"',
+ this.addPaintOrder(),
+ '/>\n'
);
return reviver ? reviver(markup.join('')) : markup.join('');
@@ -16587,8 +16789,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
if (!this.commonRender(ctx)) {
return;
}
- this._renderFill(ctx);
- this._renderStroke(ctx);
+ this._renderPaintInOrder(ctx);
},
/**
@@ -16695,8 +16896,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
return;
}
ctx.closePath();
- this._renderFill(ctx);
- this._renderStroke(ctx);
+ this._renderPaintInOrder(ctx);
},
/**
@@ -16785,12 +16985,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
return;
}
- var stateProperties = fabric.Object.prototype.stateProperties.concat();
- stateProperties.push('path');
-
- var cacheProperties = fabric.Object.prototype.cacheProperties.concat();
- cacheProperties.push('path', 'fillRule');
-
/**
* Path class
* @class fabric.Path
@@ -16814,9 +17008,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
path: null,
- cacheProperties: cacheProperties,
+ cacheProperties: fabric.Object.prototype.cacheProperties.concat('path', 'fillRule'),
- stateProperties: stateProperties,
+ stateProperties: fabric.Object.prototype.stateProperties.concat('path'),
/**
* Constructor
@@ -17186,8 +17380,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
_render: function(ctx) {
this._renderPathCommands(ctx);
- this._renderFill(ctx);
- this._renderStroke(ctx);
+ this._renderPaintInOrder(ctx);
},
/**
@@ -17247,6 +17440,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
'" style="', this.getSvgStyles(),
'" transform="', this.getSvgTransform(), addTransform,
this.getSvgTransformMatrix(), '" stroke-linecap="round" ',
+ this.addPaintOrder(),
'/>\n'
);
@@ -17779,10 +17973,24 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
delete options.centerPoint;
this.callSuper('initialize', options);
}
+ else {
+ this._updateObjectsACoords();
+ }
this.setCoords();
},
+ /**
+ * @private
+ * @param {Boolean} [skipCoordsChange] if true, coordinates of objects enclosed in a group do not change
+ */
+ _updateObjectsACoords: function() {
+ var ignoreZoom = true, skipAbsolute = true;
+ for (var i = this._objects.length; i--; ){
+ this._objects[i].setCoords(ignoreZoom, skipAbsolute);
+ }
+ },
+
/**
* @private
* @param {Boolean} [skipCoordsChange] if true, coordinates of objects enclosed in a group do not change
@@ -18601,6 +18809,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
* @chainable
*/
setElement: function(element, options) {
+ var backend = fabric.filterBackend;
+ if (backend && backend.evictCachesForKey) {
+ backend.evictCachesForKey(this.cacheKey);
+ backend.evictCachesForKey(this.cacheKey + '_filtered');
+ }
this._element = element;
this._originalElement = element;
this._initConfig(options);
@@ -18701,9 +18914,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
if (this.resizeFilter) {
object.resizeFilter = this.resizeFilter.toObject();
}
- object.width /= this._filterScalingX;
- object.height /= this._filterScalingY;
-
return object;
},
@@ -18715,9 +18925,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot
*/
toSVG: function(reviver) {
var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2;
- markup.push(
- '\n',
- '\t\n');
+ var imageMarkup = ['\t\n'
- );
-
+ '">\n'];
+ if (this.paintFirst === 'fill') {
+ Array.prototype.push.apply(markup, imageMarkup);
+ }
if (this.stroke || this.strokeDashArray) {
var origFill = this.fill;
this.fill = null;
markup.push(
- ' -1) {
+ set: function(key, value) {
+ this.callSuper('set', key, value);
+ var needsDims = false;
+ if (typeof key === 'object') {
+ for (var _key in key) {
+ needsDims = needsDims || this._dimensionAffectingProps.indexOf(_key) !== -1;
+ }
+ }
+ else {
+ needsDims = this._dimensionAffectingProps.indexOf(key) !== -1;
+ }
+ if (needsDims) {
this.initDimensions();
this.setCoords();
}
+ return this;
},
/**
@@ -24929,7 +25358,6 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
*/
_render: function(ctx) {
this.callSuper('_render', ctx);
- this.ctx = ctx;
},
/**
@@ -24940,9 +25368,9 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
return;
}
if (this.canvas && this.canvas.contextTop) {
- var ctx = this.canvas.contextTop;
+ var ctx = this.canvas.contextTop, v = this.canvas.viewportTransform;
ctx.save();
- ctx.transform.apply(ctx, this.canvas.viewportTransform);
+ ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);
this.transform(ctx);
this.transformMatrix && ctx.transform.apply(ctx, this.transformMatrix);
this._clearTextArea(ctx);
@@ -24954,7 +25382,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
* Renders cursor or selection (depending on what exists)
*/
renderCursorOrSelection: function() {
- if (!this.isEditing) {
+ if (!this.isEditing || !this.canvas) {
return;
}
var boundaries = this._getCursorBoundaries(), ctx;
@@ -24963,7 +25391,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
this.clearContextTop(true);
}
else {
- ctx = this.ctx;
+ ctx = this.canvas.contextContainer;
ctx.save();
}
if (this.selectionStart === this.selectionEnd) {
@@ -25079,6 +25507,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
var selectionStart = this.inCompositionMode ? this.hiddenTextarea.selectionStart : this.selectionStart,
selectionEnd = this.inCompositionMode ? this.hiddenTextarea.selectionEnd : this.selectionEnd,
+ isJustify = this.textAlign.indexOf('justify') !== -1,
start = this.get2DCursorLocation(selectionStart),
end = this.get2DCursorLocation(selectionEnd),
startLine = start.lineIndex,
@@ -25095,7 +25524,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
boxStart = this.__charBounds[startLine][startChar].left;
}
if (i >= startLine && i < endLine) {
- boxEnd = this.getLineWidth(i) || 5; // WTF is this 5?
+ boxEnd = isJustify && !this.isEndOfWrapping(i) ? this.width : this.getLineWidth(i) || 5; // WTF is this 5?
}
else if (i === endLine) {
if (endChar === 0) {
@@ -25338,7 +25767,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
* Aborts cursor animation and clears all timeouts
*/
abortCursorAnimation: function() {
- var shouldClear = this._currentTickState || this._currentTickCompleteState;
+ var shouldClear = this._currentTickState || this._currentTickCompleteState,
+ canvas = this.canvas;
this._currentTickState && this._currentTickState.abort();
this._currentTickCompleteState && this._currentTickCompleteState.abort();
@@ -25348,8 +25778,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
this._currentCursorOpacity = 0;
// to clear just itext area we need to transform the context
// it may not be worth it
- if (shouldClear) {
- this.canvas && this.canvas.clearContext(this.canvas.contextTop || this.ctx);
+ if (shouldClear && canvas) {
+ canvas.clearContext(canvas.contextTop || canvas.contextContainer);
}
},
@@ -25665,6 +26095,10 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
}
this.cursorOffsetCache = { };
this.text = this.hiddenTextarea.value;
+ if (this._shouldClearDimensionCache()) {
+ this.initDimensions();
+ this.setCoords();
+ }
var newSelection = this.fromStringToGraphemeSelection(
this.hiddenTextarea.selectionStart, this.hiddenTextarea.selectionEnd, this.hiddenTextarea.value);
this.selectionEnd = this.selectionStart = newSelection.selectionEnd;
@@ -25788,7 +26222,10 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
this.abortCursorAnimation();
this._restoreEditingProps();
this._currentCursorOpacity = 0;
-
+ if (this._shouldClearDimensionCache()) {
+ this.initDimensions();
+ this.setCoords();
+ }
this.fire('editing:exited');
isTextChanged && this.fire('modified');
if (this.canvas) {
@@ -26019,10 +26456,14 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) {
}
linesLenght && this.insertNewlineStyleObject(
cursorLoc.lineIndex, cursorLoc.charIndex + addedLines[0], linesLenght);
- for (var i = 1; i <= linesLenght; i++) {
+ for (var i = 1; i < linesLenght; i++) {
this.insertCharStyleObject(cursorLoc.lineIndex + i, 0, addedLines[i], copiedStyle);
copiedStyle = copiedStyle && copiedStyle.slice(addedLines[i] + 1);
}
+ // we use i outside the loop to get it like linesLength
+ if (addedLines[i] > 0) {
+ this.insertCharStyleObject(cursorLoc.lineIndex + i, 0, addedLines[i], copiedStyle);
+ }
},
/**
@@ -26445,7 +26886,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
nextCharCount = nextText.length,
removedText, insertedText,
charDiff = nextCharCount - charCount;
-
if (this.hiddenTextarea.value === '') {
this.styles = { };
this.updateFromTextArea();
@@ -26454,26 +26894,34 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
this.canvas.fire('text:changed', { target: this });
this.canvas.requestRenderAll();
}
+ return;
}
+ var textareaSelection = this.fromStringToGraphemeSelection(
+ this.hiddenTextarea.selectionStart,
+ this.hiddenTextarea.selectionEnd,
+ this.hiddenTextarea.value
+ );
+ var backDelete = this.selectionStart > textareaSelection.selectionStart;
+
if (this.selectionStart !== this.selectionEnd) {
removedText = this._text.slice(this.selectionStart, this.selectionEnd);
charDiff += this.selectionEnd - this.selectionStart;
}
else if (nextCharCount < charCount) {
- removedText = this._text.slice(this.selectionEnd + charDiff, this.selectionEnd);
+ if (backDelete) {
+ removedText = this._text.slice(this.selectionEnd + charDiff, this.selectionEnd);
+ }
+ else {
+ removedText = this._text.slice(this.selectionStart, this.selectionStart - charDiff);
+ }
}
- var textareaSelection = this.fromStringToGraphemeSelection(
- this.hiddenTextarea.selectionStart,
- this.hiddenTextarea.selectionEnd,
- this.hiddenTextarea.value
- );
insertedText = nextText.slice(textareaSelection.selectionEnd - charDiff, textareaSelection.selectionEnd);
if (removedText && removedText.length) {
if (this.selectionStart !== this.selectionEnd) {
this.removeStyleFromTo(this.selectionStart, this.selectionEnd);
}
- else if (this.selectionStart > textareaSelection.selectionStart) {
+ else if (backDelete) {
// detect differencies between forwardDelete and backDelete
this.removeStyleFromTo(this.selectionEnd - removedText.length, this.selectionEnd);
}
@@ -26899,10 +27347,11 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
this.setSelectionEnd(this.selectionStart);
this._removeExtraneousStyles();
-
+ if (this._shouldClearDimensionCache()) {
+ this.initDimensions();
+ this.setCoords();
+ }
this.canvas && this.canvas.requestRenderAll();
-
- this.setCoords();
this.fire('changed');
this.canvas && this.canvas.fire('text:changed', { target: this });
},
@@ -26974,8 +27423,8 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
*/
_wrapSVGTextAndBg: function(markup, textAndBg) {
var noShadow = true, filter = this.getSvgFilter(),
- style = filter === '' ? '' : ' style="' + filter + '"';
-
+ style = filter === '' ? '' : ' style="' + filter + '"',
+ textDecoration = this.getSvgTextDecoration(this);
markup.push(
'\t\n',
@@ -26985,8 +27434,8 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
(this.fontSize ? 'font-size="' + this.fontSize + '" ' : ''),
(this.fontStyle ? 'font-style="' + this.fontStyle + '" ' : ''),
(this.fontWeight ? 'font-weight="' + this.fontWeight + '" ' : ''),
- (this.textDecoration ? 'text-decoration="' + this.textDecoration + '" ' : ''),
- 'style="', this.getSvgStyles(noShadow), '" >\n',
+ (textDecoration ? 'text-decoration="' + textDecoration + '" ' : ''),
+ 'style="', this.getSvgStyles(noShadow), '"', this.addPaintOrder(), ' >\n',
textAndBg.textSpans.join(''),
'\t\t\n',
'\t\n'
@@ -27041,6 +27490,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
_setSVGTextLineText: function(textSpans, lineIndex, textLeftOffset, textTopOffset) {
// set proper line offset
var lineHeight = this.getHeightOfLine(lineIndex),
+ isJustify = this.textAlign.indexOf('justify') !== -1,
actualStyle,
nextStyle,
charsToRender = '',
@@ -27056,9 +27506,12 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
charBox = this.__charBounds[lineIndex][i];
if (boxWidth === 0) {
textLeftOffset += charBox.kernedWidth - charBox.width;
+ boxWidth += charBox.width;
+ }
+ else {
+ boxWidth += charBox.kernedWidth;
}
- boxWidth += charBox.kernedWidth;
- if (this.textAlign === 'justify' && !timeToRender) {
+ if (isJustify && !timeToRender) {
if (this._reSpaceAndTab.test(line[i])) {
timeToRender = true;
}
@@ -27067,7 +27520,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
// if we have charSpacing, we render char by char
actualStyle = actualStyle || this.getCompleteStyleDeclaration(lineIndex, i);
nextStyle = this.getCompleteStyleDeclaration(lineIndex, i + 1);
- timeToRender = this._hasStyleChanged(actualStyle, nextStyle);
+ timeToRender = this._hasStyleChangedForSvg(actualStyle, nextStyle);
}
if (timeToRender) {
style = this._getStyleDeclaration(lineIndex, i) || { };
@@ -27224,6 +27677,13 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
*/
noScaleCache: false,
+ /**
+ * Properties which when set cause object to change dimensions
+ * @type Object
+ * @private
+ */
+ _dimensionAffectingProps: fabric.Text.prototype._dimensionAffectingProps.concat('width'),
+
/**
* Constructor. Some scaling related property values are forced. Visibility
* of controls is also fixed; only the rotation and width controls are
@@ -27233,11 +27693,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
* @return {fabric.Textbox} thisArg
*/
initialize: function(text, options) {
-
this.callSuper('initialize', text, options);
- this.ctx = this.objectCaching ? this._cacheContext : fabric.util.createCanvasElement().getContext('2d');
- // add width to this list of props that effect line wrapping.
- this._dimensionAffectingProps.push('width');
},
/**
@@ -27256,22 +27712,18 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
// clear dynamicMinWidth as it will be different after we re-wrap line
this.dynamicMinWidth = 0;
// wrap lines
- var newText = this._splitTextIntoLines(this.text);
- this.textLines = newText.lines;
- this._textLines = newText.graphemeLines;
- this._unwrappedTextLines = newText._unwrappedLines;
- this._text = newText.graphemeText;
- this._styleMap = this._generateStyleMap(newText);
+ this._styleMap = this._generateStyleMap(this._splitText());
// if after wrapping, the width is smaller than dynamicMinWidth, change the width and re-wrap
if (this.dynamicMinWidth > this.width) {
this._set('width', this.dynamicMinWidth);
}
- if (this.textAlign === 'justify') {
+ if (this.textAlign.indexOf('justify') !== -1) {
// once text is measured we need to make space fatter to make justified text.
this.enlargeSpaces();
}
// clear cache and re-calculate height
this.height = this.calcTextHeight();
+ this.saveState({ propertySet: '_dimensionAffectingProps' });
},
/**
@@ -27495,6 +27947,24 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
return graphemeLines;
},
+ /**
+ * Detect if the text line is ended with an hard break
+ * text and itext do not have wrapping, return false
+ * @param {Number} lineIndex text to split
+ * @return {Boolean}
+ */
+ isEndOfWrapping: function(lineIndex) {
+ if (!this._styleMap[lineIndex + 1]) {
+ // is last line, return true;
+ return true;
+ }
+ if (this._styleMap[lineIndex + 1].line !== this._styleMap[lineIndex].line) {
+ // this is last line before a line break, return true;
+ return true;
+ }
+ return false;
+ },
+
/**
* Gets lines of text to render in the Textbox. This function calculates
* text wrapping on the fly every time it is called.
@@ -27584,216 +28054,3 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
});
})();
-
-(function() {
-
- if (typeof document !== 'undefined' && typeof window !== 'undefined') {
- return;
- }
-
- var DOMParser = require('xmldom').DOMParser,
- URL = require('url'),
- HTTP = require('http'),
- HTTPS = require('https'),
-
- Canvas = require(fabric.canvasModule),
- Image = require(fabric.canvasModule).Image;
-
- /** @private */
- function request(url, encoding, callback) {
- var oURL = URL.parse(url);
-
- // detect if http or https is used
- if ( !oURL.port ) {
- oURL.port = ( oURL.protocol.indexOf('https:') === 0 ) ? 443 : 80;
- }
-
- // assign request handler based on protocol
- var reqHandler = (oURL.protocol.indexOf('https:') === 0 ) ? HTTPS : HTTP,
- req = reqHandler.request({
- hostname: oURL.hostname,
- port: oURL.port,
- path: oURL.path,
- method: 'GET'
- }, function(response) {
- var body = '';
- if (encoding) {
- response.setEncoding(encoding);
- }
- response.on('end', function () {
- callback(body);
- });
- response.on('data', function (chunk) {
- if (response.statusCode === 200) {
- body += chunk;
- }
- });
- });
-
- req.on('error', function(err) {
- if (err.errno === process.ECONNREFUSED) {
- fabric.log('ECONNREFUSED: connection refused to ' + oURL.hostname + ':' + oURL.port);
- }
- else {
- fabric.log(err.message);
- }
- callback(null);
- });
-
- req.end();
- }
-
- /** @private */
- function requestFs(path, callback) {
- var fs = require('fs');
- fs.readFile(path, function (err, data) {
- if (err) {
- fabric.log(err);
- throw err;
- }
- else {
- callback(data);
- }
- });
- }
-
- fabric.util.loadImage = function(url, callback, context) {
- function createImageAndCallBack(data) {
- if (data) {
- img.src = new Buffer(data, 'binary');
- // preserving original url, which seems to be lost in node-canvas
- img._src = url;
- callback && callback.call(context, img);
- }
- else {
- img = null;
- callback && callback.call(context, null, true);
- }
- }
- var img = new Image();
- if (url && (url instanceof Buffer || url.indexOf('data') === 0)) {
- img.src = img._src = url;
- callback && callback.call(context, img);
- }
- else if (url && url.indexOf('http') !== 0) {
- requestFs(url, createImageAndCallBack);
- }
- else if (url) {
- request(url, 'binary', createImageAndCallBack);
- }
- else {
- callback && callback.call(context, url);
- }
- };
-
- fabric.loadSVGFromURL = function(url, callback, reviver) {
- url = url.replace(/^\n\s*/, '').replace(/\?.*$/, '').trim();
- if (url.indexOf('http') !== 0) {
- requestFs(url, function(body) {
- fabric.loadSVGFromString(body.toString(), callback, reviver);
- });
- }
- else {
- request(url, '', function(body) {
- fabric.loadSVGFromString(body, callback, reviver);
- });
- }
- };
-
- fabric.loadSVGFromString = function(string, callback, reviver) {
- var doc = new DOMParser().parseFromString(string);
- fabric.parseSVGDocument(doc.documentElement, function(results, options) {
- callback && callback(results, options);
- }, reviver);
- };
-
- fabric.util.getScript = function(url, callback) {
- request(url, '', function(body) {
- // eslint-disable-next-line no-eval
- eval(body);
- callback && callback();
- });
- };
-
- // fabric.util.createCanvasElement = function(_, width, height) {
- // return new Canvas(width, height);
- // }
-
- /**
- * Only available when running fabric on node.js
- * @param {Number} width Canvas width
- * @param {Number} height Canvas height
- * @param {Object} [options] Options to pass to FabricCanvas.
- * @param {Object} [nodeCanvasOptions] Options to pass to NodeCanvas.
- * @return {Object} wrapped canvas instance
- */
- fabric.createCanvasForNode = function(width, height, options, nodeCanvasOptions) {
- nodeCanvasOptions = nodeCanvasOptions || options;
-
- var canvasEl = fabric.document.createElement('canvas'),
- nodeCanvas = new Canvas(width || 600, height || 600, nodeCanvasOptions),
- nodeCacheCanvas = new Canvas(width || 600, height || 600, nodeCanvasOptions);
-
- canvasEl.width = nodeCanvas.width;
- canvasEl.height = nodeCanvas.height;
- options = options || { };
- options.nodeCanvas = nodeCanvas;
- options.nodeCacheCanvas = nodeCacheCanvas;
- var FabricCanvas = fabric.Canvas || fabric.StaticCanvas,
- fabricCanvas = new FabricCanvas(canvasEl, options);
- fabricCanvas.nodeCanvas = nodeCanvas;
- fabricCanvas.nodeCacheCanvas = nodeCacheCanvas;
- fabricCanvas.contextContainer = nodeCanvas.getContext('2d');
- fabricCanvas.contextCache = nodeCacheCanvas.getContext('2d');
- fabricCanvas.Font = Canvas.Font;
- return fabricCanvas;
- };
-
- var originaInitStatic = fabric.StaticCanvas.prototype._initStatic;
- fabric.StaticCanvas.prototype._initStatic = function(el, options) {
- el = el || fabric.document.createElement('canvas');
- this.nodeCanvas = new Canvas(el.width, el.height);
- this.nodeCacheCanvas = new Canvas(el.width, el.height);
- originaInitStatic.call(this, el, options);
- this.contextContainer = this.nodeCanvas.getContext('2d');
- this.contextCache = this.nodeCacheCanvas.getContext('2d');
- this.Font = Canvas.Font;
- };
-
- /** @ignore */
- fabric.StaticCanvas.prototype.createPNGStream = function() {
- return this.nodeCanvas.createPNGStream();
- };
-
- fabric.StaticCanvas.prototype.createJPEGStream = function(opts) {
- return this.nodeCanvas.createJPEGStream(opts);
- };
-
- fabric.StaticCanvas.prototype._initRetinaScaling = function() {
- if (!this._isRetinaScaling()) {
- return;
- }
-
- this.lowerCanvasEl.setAttribute('width', this.width * fabric.devicePixelRatio);
- this.lowerCanvasEl.setAttribute('height', this.height * fabric.devicePixelRatio);
- this.nodeCanvas.width = this.width * fabric.devicePixelRatio;
- this.nodeCanvas.height = this.height * fabric.devicePixelRatio;
- this.contextContainer.scale(fabric.devicePixelRatio, fabric.devicePixelRatio);
- return this;
- };
- if (fabric.Canvas) {
- fabric.Canvas.prototype._initRetinaScaling = fabric.StaticCanvas.prototype._initRetinaScaling;
- }
-
- var origSetBackstoreDimension = fabric.StaticCanvas.prototype._setBackstoreDimension;
- fabric.StaticCanvas.prototype._setBackstoreDimension = function(prop, value) {
- origSetBackstoreDimension.call(this, prop, value);
- this.nodeCanvas[prop] = value;
- return this;
- };
- if (fabric.Canvas) {
- fabric.Canvas.prototype._setBackstoreDimension = fabric.StaticCanvas.prototype._setBackstoreDimension;
- }
-
-})();
-
diff --git a/dist/fabric.min.js b/dist/fabric.min.js
index 5c294bb32f0..7f484ee26d0 100644
--- a/dist/fabric.min.js
+++ b/dist/fabric.min.js
@@ -1 +1 @@
-function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.getContext("2d");r.translate(0,e.height),r.scale(1,-1);var n=i.height-e.height;r.drawImage(i,0,n,e.width,e.height,0,0,e.width,e.height)}function copyGLTo2DPutImageData(t,e){var i=e.getContext("2d"),r=e.width,n=e.height,s=r*n*4,o=new Uint8Array(this.imageBuffer,0,s),a=new Uint8ClampedArray(this.imageBuffer,0,s);t.readPixels(0,0,r,n,t.RGBA,t.UNSIGNED_BYTE,o);var c=new ImageData(a,r);i.putImageData(c,0,0)}var fabric=fabric||{version:"2.0.0-beta7"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window):(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"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.window,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","instantiated_by_use"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.initFilterBackend=function(){return fabric.enableGLFiltering&&fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},"undefined"!=typeof document&&"undefined"!=typeof window&&(window.fabric=fabric),function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},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.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);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]},getSvgAttributes:function(t){var e=["instantiated_by_use","style","id","class"];switch(t){case"linearGradient":e=e.concat(["x1","y1","x2","y2","gradientUnits","gradientTransform"]);break;case"radialGradient":e=e.concat(["gradientUnits","gradientTransform","cx","cy","r","fx","fy","fr"]);break;case"stop":e=e.concat(["offset","stop-color","stop-opacity"])}return e},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;ir;)(r+=a[d++%f])>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(){return fabric.document.createElement("canvas")},createImage:function(){return fabric.document.createElement("img")},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),c=(t[0]*t[3]-t[2]*t[1])/a,h=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:c,skewX:h/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.rotate(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),c=a.data.length;for(n=3;n0?P-=2*f:1===h&&P<0&&(P+=2*f);for(var M=Math.ceil(Math.abs(P/f*2)),F=[],L=P/M,I=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),R=A+L,B=0;B=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,c,h){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,_=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*c,d=3*i-3*t;for(var T=0;T<2;++T)if(T>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*h,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(m=f*f-4*d*u)<0||(0<(p=(-f+(b=_(m)))/(2*u))&&p<1&&S.push(p),0<(v=(-f-b)/(2*u))&&v<1&&S.push(v));for(var O,k,D,E=S.length,j=E;E--;)O=(D=1-(g=S[E]))*D*D*t+3*D*D*g*i+3*D*g*g*n+g*g*g*c,w[0][E]=O,k=D*D*D*e+3*D*D*g*r+3*D*g*g*s+g*g*g*h,w[1][E]=k;w[0][j]=t,w[1][j]=e,w[0][j+1]=c,w[1][j+1]=h;var A=[{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]=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],c=n[3],h=n[4],l=[[],[],[],[]],u=t(n[5]-i,n[6]-r,s,o,c,h,a),f=0,d=u.length;f=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;n57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}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,"&").replace(/"/g,""").replace(/'/g,"'").replace(//g,">")},graphemeSplit:function(e){var i,r=0,n=[];for(r=0,i;r1?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 c=0,h=a.length;c=.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.makeElementUnselectable=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},c={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!n)return a;for(var h in c)a[c[h]]+=parseInt(s(t,h),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--;)try{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(),c=n.body||n.parameters;return a.onreadystatechange=function(){4===a.readyState&&(o(a),a.onreadystatechange=e)},"GET"===s&&(c=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(c),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.msRequestAnimationFrame||function(t){return fabric.window.setTimeout(t,1e3/60)},r=fabric.window.cancelAnimationFrame||fabric.window.clearTimeout;fabric.util.animate=function(i){e(function(r){i||(i={});var n,s=r||+new Date,o=i.duration||500,a=s+o,c=i.onChange||t,h=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(h())l(d,1,1);else{var p=(n=r||+new Date)>a?o:n-s,v=p/o,m=u(p,f,g,o),b=Math.abs((m-f)/g);c(m,b,v),n>a?i.onComplete&&i.onComplete():e(t)}}(s)})},fabric.util.requestAnimFrame=e,fabric.util.cancelAnimFrame=function(){return r.apply(fabric.window,arguments)}}(),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 ta?a:o),1===o&&1===a&&0===c&&0===h&&0===f&&0===d)return _;if((f||d)&&(x=" translate("+y(f)+" "+y(d)+") "),r=x+" matrix("+o+" 0 0 "+a+" "+c*o+" "+h*a+") ","svg"===t.nodeName){for(n=t.ownerDocument.createElement("g");t.firstChild;)n.appendChild(t.firstChild);t.appendChild(n)}else r=(n=t).getAttribute("transform")+r;return n.setAttribute("transform",r),_}function p(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 v=t.fabric||(t.fabric={}),m=v.util.object.extend,b=v.util.object.clone,_=v.util.toFixed,y=v.util.parseUnit,x=v.util.multiplyTransformMatrices,C=["path","circle","polygon","polyline","ellipse","rect","line","image","text","linearGradient","radialGradient","stop"],S=["symbol","image","marker","pattern","view","svg"],w=["pattern","defs","symbol","metadata","clipPath","mask","desc"],T=["symbol","g","a","svg"],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":"textAnchor",opacity:"opacity"},k={stroke:"strokeOpacity",fill:"fillOpacity"};v.svgValidTagNamesRegEx=r(C),v.svgViewBoxElementsRegEx=r(S),v.svgInvalidAncestorsRegEx=r(w),v.svgValidParentsRegEx=r(T),v.cssRules={},v.gradientDefs={},v.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(v.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=v.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*\\))")+")",c="^\\s*(?:"+("(?:"+a+"(?:"+o+"*"+a+")*)")+"?)\\s*$",h=new RegExp(c),l=new RegExp(a,"g");return function(s){var o=n.concat(),c=[];if(!s||s&&!h.test(s))return o;s.replace(l,function(s){var h=new RegExp(a).exec(s).filter(function(t){return!!t}),l=h[1],u=h.slice(2).map(parseFloat);switch(l){case"translate":r(o,u);break;case"rotate":u[0]=v.util.degreesToRadians(u[0]),t(o,u);break;case"scale":e(o,u);break;case"skewX":i(o,u,2);break;case"skewY":i(o,u,1);break;case"matrix":o=u}c.push(o.concat()),o=n.concat()});for(var u=c[0];c.length>1;)c.shift(),u=v.util.multiplyTransformMatrices(u,c[0]);return u}}();var D=new RegExp("^\\s*("+v.reNum+"+)\\s*,?\\s*("+v.reNum+"+)\\s*,?\\s*("+v.reNum+"+)\\s*,?\\s*("+v.reNum+"+)\\s*$");v.parseSVGDocument=function(t,e,i,r){if(t){d(t);var n,s,o=v.Object.__uid++,a=g(t),c=v.util.toArray(t.getElementsByTagName("*"));if(a.crossOrigin=r&&r.crossOrigin,a.svgUid=o,0===c.length&&v.isLikelyNode){var h=[];for(n=0,s=(c=t.selectNodes('//*[name(.)!="svg"]')).length;n/i,""))),n&&n.documentElement||e&&e(null),v.parseSVGDocument(n.documentElement,function(t,i,r,n){e&&e(t,i,r,n)},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 v.window.ActiveXObject&&((n=new ActiveXObject("Microsoft.XMLDOM")).async="false",n.loadXML(t.replace(//i,"")));v.parseSVGDocument(n.documentElement,function(t,i,r,n){e(t,i,r,n)},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;tt.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},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={});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),c=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),h=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==h){var l=a/h,u=c/h;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===c?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){var n,s,o,a,c=new e,h=r.length;for(a=0;a0&&(c.status="Intersection"),c},i.Intersection.intersectPolygonPolygon=function(t,i){var r,n=new e,s=t.length;for(r=0;r0&&(n.status="Intersection"),n},i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),c=new i.Point(s.x,o.y),h=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,c,t),f=e.intersectLinePolygon(c,s,t),d=new e;return d.appendPoints(h.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]),c=r.util.array.min([t,e,i]);if(o=(a+c)/2,a===c)n=s=0;else{var h=a-c;switch(s=o>.5?h/(2-a-c):h/(a+c),a){case t:n=(e-i)/h+(e1?1:o,s){var a=s.split(/\s*;\s*/);for(""===a[a.length-1]&&a.pop(),n=a.length;n--;){var c=a[n].split(/\s*:\s*/),h=c[0].trim(),l=c[1].trim();"stop-color"===h?e=l:"stop-opacity"===h&&(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:o,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var c=t.ry/t.rx;o=" scale(1, "+c+")",e.y1&&(e.y1/=c),e.y2&&(e.y2/=c)}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 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,s,o=n(this.coords,!0),a=n(this.colorStops,!0),c=o.r1>o.r2,h=t.width/2,l=t.height/2;a.sort(function(t,e){return t.offset-e.offset}),"path"===t.type&&(h-=t.pathOffset.x,l-=t.pathOffset.y);for(var u in o)"x1"===u||"x2"===u?o[u]+=this.offsetX-h:"y1"!==u&&"y2"!==u||(o[u]+=this.offsetY-l);if(s='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(s+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?r=["\n']:"radial"===this.type&&(r=["\n']),"radial"===this.type){if(c)for((a=a.concat()).reverse(),e=0,i=a.length;e0){var d=f/Math.max(o.r1,o.r2);for(e=0,i=a.length;e\n')}return r.push("linear"===this.type?"\n":"\n"),r.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="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),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),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.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=fabric.util.createCanvasElement();if(!t)throw o;if(t.style||(t.style={}),void 0===t.getContext)throw o;return t},_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){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),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.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject;for(this.viewportTransform=t,i=0,r=this._objects.length;i"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)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.renderOnAddRemove&&this.requestRenderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeObject;if(t===s&&"activeSelection"===t.type)for(n=s._objects,e=0;e0+h&&(o=s-1,i(this._objects,n),this._objects.splice(o,0,n)),h++;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.renderOnAddRemove&&this.requestRenderAll(),this},_findNewLowerIndex:function(t,e,i){var r,n;if(i){for(r=e,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,c=this._activeObject,h=0;if(t===c&&"activeSelection"===t.type)for(r=(a=c._objects).length;r--;)n=a[r],(s=this._objects.indexOf(n))"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return 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.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}}),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,e,i=this.canvas.contextTop,r=this.canvas.viewportTransform,n=this._points[0],s=this._points[1];if(i.save(),i.transform(r[0],r[1],r[2],r[3],r[4],r[5]),i.beginPath(),2===this._points.length&&n.x===s.x&&n.y===s.y){var o=this.width/1e3;n=new fabric.Point(n.x,n.y),s=new fabric.Point(s.x,s.y),n.x-=o,s.x+=o}for(i.moveTo(n.x,n.y),t=1,e=this._points.length;t0&&!this.preserveObjectStacking){e=[],i=[];for(var n=0,s=this._objects.length;n1&&(this._activeObject._objects=i),e.push.apply(e,i)}else e=this._objects;return e},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="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._activeObject&&"activeSelection"===e.group.type?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=this.contextCache,n=t.selectionBackgroundColor;t.hasBorders=t.transparentCorners=!1,t.selectionBackgroundColor="",r.save(),r.transform.apply(r,this.viewportTransform),t.render(r),r.restore(),t===this._activeObject&&t._renderControls(r,{hasBorders:!1,transparentCorners:!1}),t.selectionBackgroundColor=n;var s=fabric.util.isTransparent(r,e,i,this.targetFindTolerance);return this.clearContext(r),s},_shouldClearSelection:function(t,e){var i=this.getActiveObjects(),r=this._activeObject;return!e||e&&r&&i.length>1&&-1===i.indexOf(e)&&r!==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",c="mt"===e.corner||"ml"===e.corner?1:-1,h=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&&(h*=-1),e.target.flipY&&(h*=-1),0===s?(e.skewSign=-c*t*h,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*c*h])},_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 c,h,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),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],h=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(c,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(h,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,c,h,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",c="Y",h="X",u=0,f=d.skewY):(a="x",c="X",h="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"+h]/(o[a]/d["scale"+c])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+h]!==n,d.set("skew"+h,n),0!==d["skew"+c]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+c],d.set("scale"+c,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 c=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(h,r),u=this._setObjectScale(h,r,s,o,i,a,l),n.setPositionByOrigin(c,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,c,h,l,u=e.target,f=!1,d=!1,g=!1;return h=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==h,c=u.scaleY!==l,s&&h<=0&&hs?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),c=!0;if(n.target.snapAngle>0){var h=n.target.snapAngle,l=n.target.snapThreshold||h,u=Math.ceil(a/h)*h,f=Math.floor(a/h)*h;Math.abs(a-f)0?0:-i),e.ey-(r>0?0:-r),o,a)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+.5-(i>0?0:o),h=e.ey+.5-(r>0?0:a);t.beginPath(),fabric.util.drawDashedLine(t,c,h,c+o,h,this.selectionDashArray),fabric.util.drawDashedLine(t,c,h+a-1,c+o,h+a-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,h,c,h+a,this.selectionDashArray),fabric.util.drawDashedLine(t,c+o-1,h,c+o-1,h+a,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+.5-(i>0?0:o),e.ey+.5-(r>0?0:a),o,a)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r,n=this.getPointer(t,!0),s=this._activeObject,o=this.getActiveObjects();if(this.targets=[],o.length>1&&!e&&s===this._searchPossibleTargets([s],n))return s;if(1===o.length&&s._findTargetCorner(n))return s;if(1===o.length&&s===this._searchPossibleTargets([s],n)){if(!this.preserveObjectStacking)return s;i=s,r=this.targets,this.targets=[]}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i,this.targets=r),a}},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;if(!this.isTargetTransparent(e,t.x,t.y))return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){"group"===(i=t[s]).type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),(n=this._searchPossibleTargets(i._objects,r))&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,c=o.height||0;return a&&c||("top"in o&&"bottom"in o&&(c=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===c?{width:1,height:1}:{width:r.width/a,height:r.height/c},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.width+"px",height:this.height+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.width||t.width,i=this.height||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},getActiveObject:function(){return this._activeObject},getActiveObjects:function(){var t=this._activeObject;return t?"activeSelection"===t.type&&t._objects?t._objects.slice(0):[t]:[]},_onObjectRemoved:function(t){t===this._activeObject&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},setActiveObject:function(t,e){var i=this._activeObject;return t===i?this:(this._setActiveObject(t,e)&&(i&&i.fire("deselected",{e:e}),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this)},_setActiveObject:function(t,e){return this._activeObject!==t&&(!!this._discardActiveObject(e,t)&&(!t.onSelect({e:e})&&(this._activeObject=t,!0)))},_discardActiveObject:function(t,e){var i=this._activeObject;if(i){if(i.onDeselect({e:t,object:e}))return!1;this._activeObject=null}return!0},discardActiveObject:function(t){var e=this._activeObject;return e&&(this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(t)&&(this.fire("selection:cleared",{e:t,target:e}),e.fire("deselected",{e:t}))),this},dispose:function(){fabric.StaticCanvas.prototype.dispose.call(this);var t=this.wrapperEl;return this.removeListeners(),t.removeChild(this.upperCanvasEl),t.removeChild(this.lowerCanvasEl),delete this.upperCanvasEl,t.parentNode&&t.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl),delete this.wrapperEl,this},clear:function(){return this.discardActiveObject(),this.clearContext(this.contextTop),this.callSuper("clear")},drawControls:function(t){var e=this._activeObject;e&&e._renderControls(t)},_toObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(t),n=this.callSuper("_toObject",t,e,i);return this._unwindGroupTransformOnObject(t,r),n},_realizeGroupTransformOnObject:function(t){if(t.group&&"activeSelection"===t.group.type&&this._activeObject===t.group){var e={};return["angle","flipX","flipY","left","scaleX","scaleY","skewX","skewY","top"].forEach(function(i){e[i]=t[i]}),this._activeObject.realizeTransform(t),e}return null},_unwindGroupTransformOnObject:function(t,e){e&&t.set(e)},_setSVGObject:function(t,e,i){var r=this._realizeGroupTransformOnObject(e);this.callSuper("_setSVGObject",t,e,i),this._unwindGroupTransformOnObject(e,r)}});for(var o in fabric.StaticCanvas)"prototype"!==o&&(fabric.Canvas[o]=fabric.StaticCanvas[o]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){})}(),function(){function t(t,e){return"which"in t?t.which===e:t.button===e-1}var e={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},i=fabric.util.addListener,r=fabric.util.removeListener;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this.removeListeners(),this._bindEvents(),i(fabric.window,"resize",this._onResize),i(this.upperCanvasEl,"mousedown",this._onMouseDown),i(this.upperCanvasEl,"dblclick",this._onDoubleClick),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"mouseout",this._onMouseOut),i(this.upperCanvasEl,"mouseenter",this._onMouseEnter),i(this.upperCanvasEl,"wheel",this._onMouseWheel),i(this.upperCanvasEl,"contextmenu",this._onContextMenu),i(this.upperCanvasEl,"touchstart",this._onMouseDown,{passive:!1}),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"undefined"!=typeof eventjs&&"add"in eventjs&&(eventjs.add(this.upperCanvasEl,"gesture",this._onGesture),eventjs.add(this.upperCanvasEl,"drag",this._onDrag),eventjs.add(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.add(this.upperCanvasEl,"shake",this._onShake),eventjs.add(this.upperCanvasEl,"longpress",this._onLongPress))},_bindEvents:function(){this.eventsBinded||(this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onLongPress=this._onLongPress.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this),this._onMouseOut=this._onMouseOut.bind(this),this._onMouseEnter=this._onMouseEnter.bind(this),this._onContextMenu=this._onContextMenu.bind(this),this._onDoubleClick=this._onDoubleClick.bind(this),this.eventsBinded=!0)},removeListeners:function(){r(fabric.window,"resize",this._onResize),r(this.upperCanvasEl,"mousedown",this._onMouseDown),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"mouseout",this._onMouseOut),r(this.upperCanvasEl,"mouseenter",this._onMouseEnter),r(this.upperCanvasEl,"wheel",this._onMouseWheel),r(this.upperCanvasEl,"contextmenu",this._onContextMenu),r(this.upperCanvasEl,"doubleclick",this._onDoubleClick),r(this.upperCanvasEl,"touchstart",this._onMouseDown),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"undefined"!=typeof eventjs&&"remove"in eventjs&&(eventjs.remove(this.upperCanvasEl,"gesture",this._onGesture),eventjs.remove(this.upperCanvasEl,"drag",this._onDrag),eventjs.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),eventjs.remove(this.upperCanvasEl,"shake",this._onShake),eventjs.remove(this.upperCanvasEl,"longpress",this._onLongPress))},_onGesture:function(t,e){this.__onTransformGesture&&this.__onTransformGesture(t,e)},_onDrag:function(t,e){this.__onDrag&&this.__onDrag(t,e)},_onMouseWheel:function(t){this.__onMouseWheel(t)},_onMouseOut:function(t){var e=this._hoveredTarget;this.fire("mouse:out",{target:e,e:t}),this._hoveredTarget=null,e&&e.fire("mouseout",{e:t}),this._iTextInstances&&this._iTextInstances.forEach(function(t){t.isEditing&&t.hiddenTextarea.focus()})},_onMouseEnter:function(t){this.findTarget(t)||(this.fire("mouse:over",{target:null,e:t}),this._hoveredTarget=null)},_onOrientationChange:function(t,e){this.__onOrientationChange&&this.__onOrientationChange(t,e)},_onShake:function(t,e){this.__onShake&&this.__onShake(t,e)},_onLongPress:function(t,e){this.__onLongPress&&this.__onLongPress(t,e)},_onContextMenu:function(t){return this.stopContextMenu&&(t.stopPropagation(),t.preventDefault()),!1},_onDoubleClick:function(t){this._handleEvent(t,"dblclick",void 0)},_onMouseDown:function(t){this.__onMouseDown(t),i(fabric.document,"touchend",this._onMouseUp,{passive:!1}),i(fabric.document,"touchmove",this._onMouseMove,{passive:!1}),r(this.upperCanvasEl,"mousemove",this._onMouseMove),r(this.upperCanvasEl,"touchmove",this._onMouseMove),"touchstart"===t.type?r(this.upperCanvasEl,"mousedown",this._onMouseDown):(i(fabric.document,"mouseup",this._onMouseUp),i(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(t){if(this.__onMouseUp(t),r(fabric.document,"mouseup",this._onMouseUp),r(fabric.document,"touchend",this._onMouseUp),r(fabric.document,"mousemove",this._onMouseMove),r(fabric.document,"touchmove",this._onMouseMove),i(this.upperCanvasEl,"mousemove",this._onMouseMove),i(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:!1}),"touchend"===t.type){var e=this;setTimeout(function(){i(e.upperCanvasEl,"mousedown",e._onMouseDown)},400)}},_onMouseMove:function(t){!this.allowTouchScrolling&&t.preventDefault&&t.preventDefault(),this.__onMouseMove(t)},_onResize:function(){this.calcOffset()},_shouldRender:function(t,e){var i=this._activeObject;return(!i||!i.isEditing||t!==i)&&!!(t&&(t.isMoving||t!==i)||!t&&i||!t&&!i&&!this._groupSelector||e&&this._previousPointer&&this.selection&&(e.x!==this._previousPointer.x||e.y!==this._previousPointer.y))},__onMouseUp:function(e){var i,r=!0,n=this._currentTransform,s=this._groupSelector,o=!s||0===s.left&&0===s.top;if(t(e,3))this.fireRightClick&&this._handleEvent(e,"up",i,3,o);else if(t(e,2))this.fireMiddleClick&&this._handleEvent(e,"up",i,2,o);else if(this.isDrawingMode&&this._isCurrentlyDrawing)this._onMouseUpInDrawingMode(e);else{n&&(this._finalizeCurrentTransform(e),r=!n.actionPerformed),i=r?this.findTarget(e,!0):n.target;var a=this._shouldRender(i,this.getPointer(e));i||!o?this._maybeGroupObjects(e):(this._groupSelector=null,this._currentTransform=null),i&&(i.isMoving=!1),this._setCursorFromEvent(e,i),this._handleEvent(e,"up",i||null,1,o),i&&(i.__corner=0),a&&this.requestRenderAll()}},_handleEvent:function(t,e,i,r,n){var s=void 0===i?this.findTarget(t):i,o=this.targets||[],a={e:t,target:s,subTargets:o,button:r||1,isClick:n||!1};this.fire("mouse:"+e,a),s&&s.fire("mouse"+e,a);for(var c=0;c1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e),this._fireOverOutEvents(e,t)),this._handleEvent(t,"move",e||null)}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n))&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor)),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return this._isUniscalePossible(t,e.target)?(e.currentAction="scale",this._scaleObject(i,r)):(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally"))},_isUniscalePossible:function(t,e){return(t[this.uniScaleKey]||this.uniScaleTransform)&&!e.get("lockUniScaling")},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this._activeObject&&"activeSelection"===this._activeObject.type?this._activeObject:null,n=(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));n?this.setCursor(this.getCornerCursor(n,e,t)):this.setCursor(i)},getCornerCursor:function(t,i,r){return this.actionIsDisabled(t,i,r)?this.notAllowedCursor:t in e?this._getRotatedCornerCursor(t,i,r):"mtr"===t&&i.hasRotatingPoint?this.rotationCursor:this.defaultCursor},actionIsDisabled:function(t,e,i){return"mt"===t||"mb"===t?i[this.altActionKey]?e.lockSkewingX:e.lockScalingY:"ml"===t||"mr"===t?i[this.altActionKey]?e.lockSkewingY:e.lockScalingX:"mtr"===t?e.lockRotation:this._isUniscalePossible(i,e)?e.lockScalingX&&e.lockScalingY:e.lockScalingX||e.lockScalingY},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.angle%360/45);return n<0&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2==0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this._activeObject;return i&&t[this.selectionKey]&&e&&e.selectable&&this.selection&&(i!==e||"activeSelection"===i.type)},_handleGrouping:function(t,e){var i=this._activeObject;i.__corner||(e!==i||(e=this.findTarget(t,!0)))&&(i&&"activeSelection"===i.type?this._updateActiveSelection(e,t):this._createActiveSelection(e,t))},_updateActiveSelection:function(t,e){var i=this._activeObject;if(i.contains(t)){if(i.removeWithUpdate(t),t.fire("deselected",{e:e}),this._hoveredTarget=t,1===i.size())return void this.setActiveObject(i.item(0),e)}else i.addWithUpdate(t),t.fire("selected",{e:e}),this._hoveredTarget=i;this.fire("selection:updated",{target:i,e:e,updated:t})},_createActiveSelection:function(t,e){var i=this._createGroup(t);this.setActiveObject(i,e),t.fire("selected",{e:e}),this.fire("selection:created",{target:i,e:e})},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)1&&(e=new fabric.ActiveSelection(i.reverse(),{canvas:this}),i.forEach(function(e){e.fire("selected",{e:t})}),this.setActiveObject(e,t),this.fire("selection:created",{target:e,e:t}))},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,c=new fabric.Point(t(n,o),t(s,a)),h=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&!((i=this._objects[u])&&i.selectable&&i.visible&&(i.intersectsWithRect(c,h)||i.isContainedWithinRect(c,h)||i.containsPoint(c)||i.containsPoint(h))&&(r.push(i),l)););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t),this.setCursor(this.defaultCursor),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.width,s=this.height,o=(i.width||this.width)*r,a=(i.height||this.height)*r,c=this.getZoom()*r,h=this.viewportTransform,l=[c,0,0,c,(h[4]-i.left)*r,(h[5]-i.top)*r],u=this.interactive,f=this.skipOffscreen,d=n!==o||s!==a;this.viewportTransform=l,this.skipOffscreen=!1,this.interactive=!1,d&&this.setDimensions({width:o,height:a},{backstoreOnly:!0}),this.renderAll();var g=this.__toDataURL(t,e,i);return this.interactive=u,this.skipOffscreen=f,this.viewportTransform=h,d&&this.setDimensions({width:n,height:s},{backstoreOnly:!0}),this.renderAll(),g},__toDataURL:function(e,i){var r=this.contextContainer.canvas;return"jpg"===e&&(e="jpeg"),t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e)}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),n=this,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,this._enlivenObjects(r.objects,function(t){n.clear(),n._setBgOverlay(r,function(){t.forEach(function(t,e){n.insertAt(t,e)}),n.renderOnAddRemove=s,delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),n.renderAll(),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(t.backgroundImage||t.overlayImage||t.background||t.overlay){var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)}else e&&e()},__setBgOverlay:function(t,e,i,r){var n=this;if(!e)return i[t]=!0,void(r&&r());"backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})},_enlivenObjects:function(t,e,i){t&&0!==t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):e&&e([])},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.width,e.height=this.height;var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),c=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:0,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:c,statefullCache:!1,noScaleCache:!0,dirty:!0,__corner:0,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor".split(" "),initialize:function(t){t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=e.cacheSideLimit,n=t.width,s=t.height,o=n/s,a=e.util.limitDimsByArea(o,i,r),c=e.util.capValue,h=e.maxCacheSideLimit,l=e.minCacheSideLimit,u=c(l,a.x,h),f=c(l,a.y,h);return n>u?(t.zoomX/=n/u,t.width=u):nf?(t.zoomY/=s/f,t.height=f):sg||s>p,m=(n<.9*g||s<.9*p)&&g>r&&p>r;d=v||m,v&&(u=.1*n&-2,f=.1*s&-2)}return!!l&&(d?(this._cacheCanvas.width=Math.max(Math.ceil(n)+u,r),this._cacheCanvas.height=Math.max(Math.ceil(s)+f,r),this.cacheTranslationX=(n+u)/2,this.cacheTranslationY=(s+f)/2):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,this._cacheCanvas.width,this._cacheCanvas.height)),this.cacheWidth=n,this.cacheHeight=s,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(o,a),this.zoomX=o,this.zoomY=a,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t,e){this.group&&!this.group._transformDone&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),this.angle&&t.rotate(o(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),this.skewX&&t.transform(1,0,Math.tan(o(this.skewX)),1,0,0),this.skewY&&t.transform(1,Math.tan(o(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,version:e.version,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.angle,i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype;return i.stateProperties.forEach(function(e){t[e]===i[e]&&delete t[e],"[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e])&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){return("scaleX"===t||"scaleY"===t)&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,this.cacheProperties.indexOf(t)>-1&&(this.group&&this.group.set("dirty",!0),this.dirty=!0),this.group&&this.stateProperties.indexOf(t)>-1&&this.group.isOnACache()&&this.group.set("dirty",!0),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},needsItsOwnCache:function(){return!1},shouldCache:function(){return this.ownCaching=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group._transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n,s,a=this.getViewportTransform(),c=this.calcTransformMatrix();n=void 0!==(i=i||{}).hasBorders?i.hasBorders:this.hasBorders,s=void 0!==i.hasControls?i.hasControls:this.hasControls,c=e.util.multiplyTransformMatrices(a,c),r=e.util.qrDecompose(c),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),i.forActiveSelection?(t.rotate(o(r.angle)),n&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),n&&this.drawBorders(t,i)),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(!e||!e.toLive)return{offsetX:0,offsetY:0};var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;return t.translate(r,n),i&&t.transform.apply(t,i),{offsetX:r,offsetY:n}},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_assignTransformMatrixProps:function(){if(this.transformMatrix){var t=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",t.scaleX),this.set("scaleY",t.scaleY),this.angle=t.angle,this.skewX=t.skewX,this.skewY=0}},_removeTransformMatrix:function(){var t=this._findCenterFromElement();this.transformMatrix&&(this._assignTransformMatrixProps(),t=e.util.transformPoint(t,this.transformMatrix)),this.transformMatrix=null,this.setPositionByOrigin(t,"center","center")},clone:function(t,i){var r=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={left:this.left,top:this.top};this.setPositionByOrigin(new e.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},rotate:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors&&e.util.createAccessors(e.Object),i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s){var o=e[t];i=r(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){void 0!==t[0]&&(i.fill=t[0]),void 0!==t[1]&&(i.stroke=t[1]);var e=s?new o(i[s],i):new o(i);n&&n(e)})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,c,h,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,c=o-n,(a||c)&&(h=this._getTransformedDimensions(),l=t.x+a*h.x,u=t.y+c*h.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n=void 0!==i&&void 0!==r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getScaledWidth(),a=Math.cos(s)*o,c=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=c*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r);return"Intersection"===fabric.Intersection.intersectPolygonRectangle(n,t,e).status},intersectsWithObject:function(t,e,i){return"Intersection"===fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i)).status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2==1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if((e=n[s]).x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return!!this.containsPoint(o,null,!0)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s,o=0;for(var a in e)if(!((s=e[a]).o.y=t.y&&s.d.y>=t.y||(s.o.x===s.d.x&&s.o.x>=t.x?n=s.o.x:(i=0,r=(s.d.y-s.o.y)/(s.d.x-s.o.x),n=-(t.y-i*t.x-(s.o.y-r*s.o.x))/(i-r)),n>=t.x&&(o+=1),2!==o)))break;return o},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getScaledWidth:function(){return this._getTransformedDimensions().x},getScaledHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)0?Math.atan(o/s):0,l=s/Math.cos(h)/2,u=Math.cos(h+i)*l,f=Math.sin(h+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*c,p.y+s*a),m=new fabric.Point(p.x-o*a,p.y+o*c),b=new fabric.Point(g.x+u,g.y+f);if(!t)var _=new fabric.Point((p.x+m.x)/2,(p.y+m.y)/2),y=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point((b.x+v.x)/2,(b.y+v.y)/2),C=new fabric.Point((b.x+m.x)/2,(b.y+m.y)/2),S=new fabric.Point(y.x+a*this.rotatingPointOffset,y.y-c*this.rotatingPointOffset);g={tl:p,tr:v,br:b,bl:m};return t||(g.ml=_,g.mt=y,g.mr=x,g.mb=C,g.mtr=S),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return 6.123233995736766e-17!==i&&-1.8369701987210297e-16!==i||(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(t){var e,r,n=this.getCenterPoint(),s=[1,0,0,1,n.x,n.y],o=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0);return r=this.group&&!t?i(this.group.calcTransformMatrix(),s):s,this.angle&&(e=this._calcRotateMatrix(),r=i(r,e)),r=i(r,o)},_calcDimensionsTransformMatrix:function(t,r,n){var s,o=[this.scaleX*(n&&this.flipX?-1:1),0,0,this.scaleY*(n&&this.flipY?-1:1),0,0];return t&&(s=[1,0,Math.tan(e(t)),1],o=i(o,s,!0)),r&&(s=[1,Math.tan(e(r)),0,1],o=i(o,s,!0)),o},_getNonTransformedDimensions:function(){var t=this.strokeWidth;return{x:this.width+t,y:this.height+t}},_getTransformedDimensions:function(t,e){void 0===t&&(t=this.skewX),void 0===e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],c=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={};r.forEach(function(e){n[e]=t[e]}),i(t[e],n,!0)}function e(t,i,r){if(t===i)return!0;if(Array.isArray(t)){if(t.length!==i.length)return!1;for(var n=0,s=t.length;n\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e,n){n=n||{};var s=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];e(new i.Line(o,r(s,n)))},i.Line.fromObject=function(t,e){var r=n(t,!0);r.points=[t.x1,t.y1,t.x2,t.y2],i.Object._fromObject("Line",r,function(t){delete t.points,e&&e(t)},"points")}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;if(i.Circle)i.warn("fabric.Circle is already defined.");else{var s=i.Object.prototype.cacheProperties.concat();s.push("radius"),i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:s,initialize:function(t){this.callSuper("initialize",t),this.set("radius",t&&t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=(this.endAngle-this.startAngle)%(2*r);if(0===i)e.push("\n');else{var n=Math.cos(this.startAngle)*this.radius,s=Math.sin(this.startAngle)*this.radius,o=Math.cos(this.endAngle)*this.radius,a=Math.sin(this.endAngle)*this.radius,c=i>r?"1":"0";e.push('\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r,s){s||(s={});var o=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(o))throw new Error("value of `r` attribute is required and can not be negative");o.left=(o.left||0)-o.radius,o.top=(o.top||0)-o.radius,r(new i.Circle(n(o,s)))},i.Circle.fromObject=function(t,e){return i.Object._fromObject("Circle",t,e)}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.Triangle?e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){this.callSuper("initialize",t),this.set("width",t&&t.width||100).set("height",t&&t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("'),t?t(e.join("")):e.join("")}}),e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;if(e.Ellipse)e.warn("fabric.Ellipse is already defined.");else{var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup();return e.push("\n'),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i,n){n||(n={});var s=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);s.left=(s.left||0)-s.rx,s.top=(s.top||0)-s.ry,i(new e.Ellipse(r(s,n)))},e.Ellipse.fromObject=function(t,i){return e.Object._fromObject("Ellipse",t,i)}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)e.warn("fabric.Rect is already defined");else{var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1!==this.width||1!==this.height){var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,c=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-c*e,o,s+r,o+c*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-c*i,s+r-c*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+c*e,o+n,s,o+n-c*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+c*i,s+c*e,o,s+e,o),t.closePath(),this._renderFill(t),this._renderStroke(t)}else t.fillRect(-.5,-.5,1,1)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("\n'),t?t(e.join("")):e.join("")}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r,n){if(!t)return r(null);n=n||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0;var o=new e.Rect(i(n?e.util.object.clone(n):{},s));o.visible=o.visible&&o.width>0&&o.height>0,r(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.Object.NUM_FRACTION_DIGITS;if(e.Polyline)e.warn("fabric.Polyline is already defined");else{var a=e.Object.prototype.cacheProperties.concat();a.push("points"),e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,cacheProperties:a,initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e);var i=this._calcDimensions();void 0===e.left&&(this.left=i.left),void 0===e.top&&(this.top=i.top),this.width=i.width,this.height=i.height,this.pathOffset={x:i.left+this.width/2,y:i.top+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x")||0,i=r(t,"y")||0;return{left:e,top:i,width:(n(t,"x")||0)-e,height:(n(t,"y")||0)-i}},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),a=0,c=this.points.length;a\n'),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){return n(this.callSuper("toObject",t),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left})},toDatalessObject:function(t){var e=this.toObject(["sourcePath"].concat(t));return e.sourcePath&&delete e.path,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],h=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;lp)for(var m=1,b=n.length;m"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group},_set:function(t,e){var i=this._objects.length;if(this.useSetOnGroup)for(;i--;)this._objects[i].setOnGroup(t,e);if("canvas"===t)for(i=this._objects.length;i--;)this._objects[i]._set(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r||this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t,t)for(var e=0,i=this._objects.length;e\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")}}),e.Group.fromObject=function(t,i){e.util.enlivenObjects(t.objects,function(r){var n=e.util.object.clone(t,!0);delete n.objects,i&&i(new e.Group(r,n,!0))})})}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});e.ActiveSelection||(e.ActiveSelection=e.util.createClass(e.Group,{type:"activeSelection",initialize:function(t,i){i=i||{},this._objects=t||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;i.originX&&(this.originX=i.originX),i.originY&&(this.originY=i.originY),this._calcBounds(),this._updateObjectsCoords(),e.Object.prototype.initialize.call(this,i),this.setCoords()},toGroup:function(){var t=this._objects;this._objects=[];var i=this.toObject(),r=new e.Group([]);if(delete i.objects,r.set(i),r.type="group",t.forEach(function(t){t.group=r,t.canvas.remove(t)}),r._objects=t,!this.canvas)return r;var n=this.canvas;return n.add(r),n._activeObject=r,r.setCoords(),r},onDeselect:function(){return this.destroy(),!1},toString:function(){return"#"},_set:function(t,i){var r=this._objects.length;if("canvas"===t)for(;r--;)this._objects[r].set(t,i);if(this.useSetOnGroup)for(;r--;)this._objects[r].setOnGroup(t,i);e.Object.prototype._set.call(this,t,i)},shouldCache:function(){return!1},willDrawShadow:function(){if(this.shadow)return this.callSuper("willDrawShadow");for(var t=0,e=this._objects.length;t\n',"\t\n'),this.stroke||this.strokeDashArray){var n=this.fill;this.fill=null,e.push("\n'),this.fill=n}return e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?e.toDataURL?e.toDataURL():fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX=1&&n>=1)this._element=this._filteredEl;else{fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s,o=this._filteredEl||this._originalElement;if(this._element===this._originalElement){var a=fabric.util.createCanvasElement();a.width=o.width,a.height=o.height,this._element=a}var c=this._element.getContext("2d");o.getContext?s=o.getContext("2d").getImageData(0,0,o.width,o.height):(c.drawImage(o,0,0),s=c.getImageData(0,0,o.width,o.height));var h={imageData:s,scaleX:r,scaleY:n};t.applyTo2d(h),this.width=this._element.width=h.imageData.width,this.height=this._element.height=h.imageData.height,c.putImageData(h.imageData,0,0)}},applyFilters:function(t){if(t=t||this.filters||[],0===(t=t.filter(function(t){return t})).length)return this._element=this._originalElement,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=e.width,n.height=e.height,this._element=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this.width===this._element.width&&this.height===this._element.height||(this._filterScalingX=this._element.width/this.width,this._filterScalingY=this._element.height/this.height,this.width=this._element.width,this.height=this._element.height),this},_render:function(t){var e,i=-this.width/2,r=-this.height/2;!1===this.isMoving&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),(e=this._element)&&t.drawImage(e,this.cropX,this.cropY,this.width,this.height,i,r,this.width,this.height),this._stroke(t),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0},parsePreserveAspectRatioAttribute:function(){if(this.preserveAspectRatio){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio),i=this._element.width,r=this._element.height,n=this.width,s=this.height,o={width:n,height:s};!e||"none"===e.alignX&&"none"===e.alignY?(this.scaleX=n/i,this.scaleY=s/r):("meet"===e.meetOrSlice&&(this.width=i,this.height=r,this.scaleX=this.scaleY=t=fabric.util.findScaleToFit(this._element,o),"Mid"===e.alignX&&(this.left+=(n-i*t)/2),"Max"===e.alignX&&(this.left+=n-i*t),"Mid"===e.alignY&&(this.top+=(s-r*t)/2),"Max"===e.alignY&&(this.top+=s-r*t)),"slice"===e.meetOrSlice&&(this.scaleX=this.scaleY=t=fabric.util.findScaleToCover(this._element,o),this.width=n/t,this.height=s/t,"Mid"===e.alignX&&(this.cropX=(i-this.width)/2),"Max"===e.alignX&&(this.cropX=i-this.width),"Mid"===e.alignY&&(this.cropY=(r-this.height)/2),"Max"===e.alignY&&(this.cropY=r-this.height)))}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i,r){r?e&&e(null,r):fabric.Image.prototype._initFilters.call(t,t.filters,function(r){t.filters=r||[],fabric.Image.prototype._initFilters.call(t,[t.resizeFilter],function(r){t.resizeFilter=r[0];var n=new fabric.Image(i,t);e(n)})})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,i,r){var n=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(n["xlink:href"],i,e(r?fabric.util.object.clone(r):{},n))}}}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.angle%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.rotate(this._getAngleValueForStraighten()),this},fxStraighten:function(t){var e=function(){},i=(t=t||{}).onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.rotate(t),r()},onComplete:function(){n.setCoords(),i()}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.requestRenderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.requestRenderAllBound}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),r=!1;return i&&(fabric.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),r=fabric.maxTextureSize>=t),this.isSupported=r,r},fabric.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.squareVertices=new Float32Array([0,0,0,1,1,0,1,1]),this.chooseFastestCopyGLTo2DMethod(t,e)},chooseFastestCopyGLTo2DMethod:function(t,e){var i,r=void 0!==window.performance;try{new ImageData(1,1),i=!0}catch(t){i=!1}var n="undefined"!=typeof ArrayBuffer,s="undefined"!=typeof Uint8ClampedArray;if(r&&i&&n&&s){var o,a,c=fabric.util.createCanvasElement(),h=new ArrayBuffer(t*e*4),l={imageBuffer:h};c.width=t,c.height=e,o=window.performance.now(),copyGLTo2DDrawImage.call(l,this.gl,c),a=window.performance.now()-o,o=window.performance.now(),copyGLTo2DPutImageData.call(l,this.gl,c),a>window.performance.now()-o?(this.imageBuffer=h,this.copyGLTo2D=copyGLTo2DPutImageData):this.copyGLTo2D=copyGLTo2DDrawImage}},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={premultipliedAlpha:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var c={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,squareVertices:this.squareVertices,programCache:this.programCache,pass:0,filterBackend:this},h=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,h),t.forEach(function(t){t&&t.applyTo(c)}),this.copyGLTo2D(a,n),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(c.sourceTexture),a.deleteTexture(c.targetTexture),a.deleteFramebuffer(h),n.getContext("2d").setTransform(1,0,0,1,0,0),c},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),c=o.getError();if(c!==o.NO_ERROR){var h=this.glErrorToString(o,c),l=new Error("WebGL Error "+h);throw l.glErrorCode=c,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},copyGLTo2D:copyGLTo2DDrawImage,captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i,i}}}(),function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o={sourceWidth:i,sourceHeight:r,imageData:s.getImageData(0,0,i,r),originalEl:e,originalImageData:s.getImageData(0,0,i,r),canvasEl:n,ctx:s,filterBackend:this};return t.forEach(function(t){t.applyTo(o)}),o.imageData.width===i&&o.imageData.height===r||(n.width=o.imageData.width,n.height=o.imageData.height),s.putImageData(o.imageData,0,0),o}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aTexCoord;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2D uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){if(this.vertexSource&&this.fragmentSource){var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i||this.vertexSource),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error('Vertex shader compile error for "${this.type}": '+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e||this.fragmentSource),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error('Fragment shader compile error for "${this.type}": '+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition"),aTexCoord:t.getAttribLocation(e,"aTexCoord")}},getUniformLocations:function(){},sendAttributeData:function(t,e,i){["aPosition","aTexCoord"].forEach(function(r){var n=e[r],s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)})},_setupFrameBuffer:function(t){var e=t.context;t.passes>1?e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0):(e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(t.passes>1&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.squareVertices),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.sourceWidth,t.sourceHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData.data,a=o.length,c=this.matrix,h=this.colorsOnly;for(s=0;sy||o<0||o>_||(c=4*(a*_+o),h=v[d*m+f],e+=p[c]*h,i+=p[c+1]*h,r+=p[c+2]*h,S||(n+=p[c+3]*h));C[s]=e,C[s+1]=i,C[s+2]=r,C[s+3]=S?p[s+3]:n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData.data,n=r.length,s=this.mode;for(e=0;eh[0]&&n>h[1]&&s>h[2]&&r=e)){P=r(1e3*s(c-S.x)),C[P]||(C[P]={});for(var F=w.y-x;F<=w.y+x;F++)F<0||F>=o||(M=r(1e3*s(F-S.y)),C[P][M]||(C[P][M]=p(n(i(P*b,2)+i(M*_,2))/1e3)),(T=C[P][M])>0&&(k+=T,D+=T*f[O=4*(F*e+c)],E+=T*f[O+1],j+=T*f[O+2],A+=T*f[O+3]))}g[O=4*(a*h+t)]=D/k,g[O+1]=E/k,g[O+2]=j/k,g[O+3]=A/k}return++tt)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return a(e)*a(i)/e/i}}(this.lanczosLobes),v=this.rcpScaleX,m=this.rcpScaleY,b=2/this.rcpScaleX,_=2/this.rcpScaleY,y=c(v*this.lanczosLobes/2),x=c(m*this.lanczosLobes/2),C={},S={},w={};return u(0)},bilinearFiltering:function(t,e,i,n,s){var o,a,c,h,l,u,f,d,g,p=0,v=this.rcpScaleX,m=this.rcpScaleY,b=4*(e-1),_=t.imageData.data,y=t.ctx.createImageData(n,s),x=y.data;for(c=0;c1&&M<-1||(_=2*M*M*M-3*M*M+1)>0&&(T+=_*d[(P=4*(A+k*e))+3],x+=_,d[P+3]<255&&(_=_*d[P+3]/250),C+=_*d[P],S+=_*d[P+1],w+=_*d[P+2],y+=_)}p[b]=C/y,p[b+1]=S/y,p[b+2]=w/y,p[b+3]=T/x}return g},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i=t.imageData.data,r=i.length,n=Math.floor(255*this.contrast),s=259*(n+255)/(255*(259-n));for(e=0;e1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData.data,r=this.gamma,n=i.length,s=1/r[0],o=1/r[1],a=1/r[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,n=256;e'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;et&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,c=t.fillStyle,h=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;dn)){var d=a-n;c[t]=a,c[h]+=d,n=a}return{width:n*u,kernedWidth:a*u}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=new Array(o.length);for(this.__charBounds[t]=a,e=0;e0&&!n){var u=this.__charBounds[e][i-1];l.left=u.left+u.width+a.kernedWidth-a.width}return l},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;ri&&(i=s)}return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i0?(t.fillStyle=f,s&&f&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),o=c.left,a=c.width,s=h,f=u):a+=c.kernedWidth;t.fillStyle=u,h&&u&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),g+=i}else g+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this;return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?"200px":r.fontSize+"px",e.isLikelyNode?'"'+r.fontFamily+'"':r.fontFamily].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o-1&&(this.initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r,n){if(!t)return r(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES),o=s.textAnchor||"left";if(n=e.util.object.extend(n?i(n):{},s),n.top=n.top||0,n.left=n.left||0,s.textDecoration){var a=s.textDecoration;-1!==a.indexOf("underline")&&(n.underline=!0),-1!==a.indexOf("overline")&&(n.overline=!0),-1!==a.indexOf("line-through")&&(n.linethrough=!0),delete n.textDecoration}"dx"in s&&(n.left+=s.dx),"dy"in s&&(n.top+=s.dy),"fontSize"in n||(n.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE);var c="";"textContent"in t?c=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(c=t.firstChild.data),c=c.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var h=new e.Text(c,n),l=h.getScaledHeight()/h.height,u=((h.height+h.strokeWidth)*h.lineHeight-h.height)*l,f=h.getScaledHeight()+u,d=0;"center"===o&&(d=h.getScaledWidth()/2),"right"===o&&(d=h.getScaledWidth()),h.set({left:h.left-d,top:h.top-(f-h.fontSize*(.18+h._fontSizeFraction))/h.lineHeight}),r(h)},e.Text.fromObject=function(t,i){return e.Object._fromObject("Text",t,i,"text")},e.util.createAccessors&&e.util.createAccessors(e.Text)}}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Text.prototype,{isEmptyStyles:function(t){if(!this.styles)return!0;if(void 0!==t&&!this.styles[t])return!0;var e=void 0===t?this.styles:{line:this.styles[t]};for(var i in e)for(var r in e[i])for(var n in e[i][r])return!1;return!0},styleHas:function(t,e){if(!this.styles||!t||""===t)return!1;if(void 0!==e&&!this.styles[e])return!1;var i=void 0===e?this.styles:{line:this.styles[e]};for(var r in i)for(var n in i[r])if(void 0!==i[r][n][t])return!0;return!1},cleanStyle:function(t){if(!this.styles||!t||""===t)return!1;var e,i,r=this.styles,n=0,s=!1,o=!0,a=0;for(var c in r){e=0;for(var h in r[c])n++,s?r[c][h][t]!==i&&(o=!1):(i=r[c][h][t],s=!0),r[c][h][t]===this[t]&&delete r[c][h][t],0!==Object.keys(r[c][h]).length?e++:delete r[c][h];0===e&&delete r[c]}for(var l=0;l-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},initDimensions:function(){this.isEditing&&this.initDelayedCursor(),this.clearContextTop(),this.callSuper("initDimensions")},render:function(t){this.clearContextTop(),this.callSuper("render",t),this.cursorOffsetCache={},this.renderCursorOrSelection()},_render:function(t){this.callSuper("_render",t),this.ctx=t},clearContextTop:function(t){if(this.isEditing&&this.canvas&&this.canvas.contextTop){var e=this.canvas.contextTop;e.save(),e.transform.apply(e,this.canvas.viewportTransform),this.transform(e),this.transformMatrix&&e.transform.apply(e,this.transformMatrix),this._clearTextArea(e),t||e.restore()}},renderCursorOrSelection:function(){if(this.isEditing){var t,e=this._getCursorBoundaries();this.canvas&&this.canvas.contextTop?(t=this.canvas.contextTop,this.clearContextTop(!0)):(t=this.ctx).save(),this.selectionStart===this.selectionEnd?this.renderCursor(e,t):this.renderSelection(e,t),t.restore()}},_clearTextArea:function(t){var e=this.width+4,i=this.height+4;t.clearRect(-e/2,-i/2,e,i)},_getCursorBoundaries:function(t){void 0===t&&(t=this.selectionStart);var e=this._getLeftOffset(),i=this._getTopOffset(),r=this._getCursorBoundariesOffsets(t);return{left:e,top:i,leftOffset:r.left,topOffset:r.top}},_getCursorBoundariesOffsets:function(t){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache)return this.cursorOffsetCache;for(var e,i,r=0,n=0,s=this.get2DCursorLocation(t),o=0;o0?n:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,c=t.topOffset;c+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,c+t.top,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=this.get2DCursorLocation(i),s=this.get2DCursorLocation(r),o=n.lineIndex,a=s.lineIndex,c=n.charIndex<0?0:n.charIndex,h=s.charIndex<0?0:s.charIndex,l=o;l<=a;l++){var u=this._getLineLeftOffset(l)||0,f=this.getHeightOfLine(l),d=0,g=0,p=0;l===o&&(g=this.__charBounds[o][c].left),l>=o&&l1)&&(f/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+u+g,t.top+t.topOffset+f,p-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+u+g,t.top+t.topOffset,p-g,f)),t.topOffset+=d}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i){if(t(e),e.styles)for(var r in e.styles)for(var n in e.styles[r])t(e.styles[r][n]);fabric.Object._fromObject("IText",e,i,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(t){this.isEditing&&this.exitEditing(),this.selected=!1,fabric.Object.prototype.onDeselect.call(this,t)},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})}.bind(this),t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){return this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea(),this},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i0&&ithis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e);return{selectionStart:n,selectionEnd:n+fabric.util.string.graphemeSplit(s).length}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t).join("").length;return t===e?{selectionStart:r,selectionEnd:r}:{selectionStart:r,selectionEnd:r+i.slice(t,e).join("").length}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value;var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),c={x:e.left+o,y:e.top+e.topOffset+s},h=this.canvas.upperCanvasEl,l=h.width-s,u=h.height-s;return c=fabric.util.transformPoint(c,a),(c=fabric.util.transformPoint(c,this.canvas.viewportTransform)).x<0&&(c.x=0),c.x>l&&(c.x=l),c.y<0&&(c.y=0),c.y>u&&(c.y=u),c.x+=this.canvas._offset.left,c.y+=this.canvas._offset.top,{left:c.x+"px",top:c.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,c=s.lineIndex,h=s.charIndex;if(o!==c){if(this.styles[o])for(i=a;i=h&&(r[l-f]=r[u],delete r[u])}},shiftLineStyles:function(e,i){var r=t(this.styles);for(var n in this.styles){var s=parseInt(n,10);s>e&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&(s=this.styles[e][0===i?i:i-1]);for(var c in this.styles[e]){var h=parseInt(c,10);h>=i&&(a=!0,o[h-i]=this.styles[e][c],delete this.styles[e][c])}for(a?this.styles[e+r]=o:delete this.styles[e+r];r>1;)r--,n&&n[r]?this.styles[e+r]={0:t(n[r])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r];this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){this.styles||(this.styles={});var s=this.styles[e],o=s?t(s):{};r||(r=1);for(var a in o){var c=parseInt(a,10);c>=i&&(s[c+r]=o[c],o[c-r]||delete s[c])}if(this._forceClearCache=!0,n)for(;r--;)Object.keys(n[r]).length&&(this.styles[e]||(this.styles[e]={}),this.styles[e][i+r]=t(n[r]));else if(s)for(var h=s[i?i-1:1];h&&r--;)this.styles[e][i+r]=t(h)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=[0],s=0,o=0;o0&&(this.insertCharStyleObject(r.lineIndex,r.charIndex,n[0],i),i=i&&i.slice(n[0]+1)),s&&this.insertNewlineStyleObject(r.lineIndex,r.charIndex+n[0],s);for(o=1;o<=s;o++)this.insertCharStyleObject(r.lineIndex+o,0,n[o],i),i=i&&i.slice(n[o]+1)},setSelectionStartEndWithShift:function(t,e,i){i<=t?(e===t?this._selectionDirection="left":"right"===this._selectionDirection&&(this._selectionDirection="left",this.selectionEnd=t),this.selectionStart=i):i>t&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e,t.e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("mousedblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i=this.getLocalPointer(t),r=0,n=0,s=0,o=0,a=0,c=0,h=this._textLines.length;c0&&(o+=this._textLines[c-1].length+1);n=this._getLineLeftOffset(a)*this.scaleX;for(var l=0,u=(e=this._textLines[a]).length;ls||o<0?0:1);return this.flipX&&(a=n-a),a>this._text.length&&(a=this._text.length),a}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea",""),this.hiddenTextarea.setAttribute("wrap","off");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingï½°top: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){!this.isEditing||this._copyDone||this.inCompositionMode?this._copyDone=!1:t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll())},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;""===this.hiddenTextarea.value&&(this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())),this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):oc.selectionStart?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){this.selectionStart!==this.selectionEnd&&(fabric.copiedText=this.getSelectedText(),fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd,!0),this._copyDone=!0)},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(r+=(i=this.__charBounds[t][e-1]).left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o);return this._textLines[n].slice(s).length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),c=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-c.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=0,a=0,c=n.length;ae){r=!0;var h=s-i,l=s,u=Math.abs(h-e);o=Math.abs(l-e)=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i=this["get"+t+"CursorOffset"](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(i):this.moveCursorWithoutShift(i),0!==i&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,e.shiftKey?i+="Shift":i+="outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.set("dirty",!0),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.requestRenderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=this.getSvgFilter(),r=""===i?"":' style="'+i+'"';t.push("\t\n",e.textBgRects.join(""),'\t\t\n',e.textSpans.join(""),"\t\t\n","\t\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(i),"\n"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,c,h=this.getHeightOfLine(e),l="",u=0,f=this._textLines[e];r+=h*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)c=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u&&(i+=o.kernedWidth-o.width),u+=o.kernedWidth,"justify"!==this.textAlign||c||this._reSpaceAndTab.test(f[d])&&(c=!0),c||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),c=this._hasStyleChanged(n,s)),c&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(i,r,n,s,o,a){i.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,c=0,h=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s0?(i=0,r++,e++):this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i=r&&!d&&(s.push(o),o=[],n=l,d=!0),d||o.push(" "),o=o.concat(c),u=this._measureWord([" "],i,h),h++,d=!1,l>f&&(f=l);return p&&s.push(o),f>this.dynamicMinWidth&&(this.dynamicMinWidth=f-g),s},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s=c.getMinWidth()?(c.set("width",l),!0):void 0},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=(0===r.protocol.indexOf("https:")?HTTPS:HTTP).request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});n.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),n.end()}function requestFs(t,e){require("fs").readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require(fabric.canvasModule),Image=require(fabric.canvasModule).Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){0!==(t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim()).indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.width=s.width,n.height=s.height,(i=i||{}).nodeCanvas=s,i.nodeCacheCanvas=o;var a=new(fabric.Canvas||fabric.StaticCanvas)(n,i);return a.nodeCanvas=s,a.nodeCacheCanvas=o,a.contextContainer=s.getContext("2d"),a.contextCache=o.getContext("2d"),a.Font=Canvas.Font,a};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}();
\ No newline at end of file
+function resizeCanvasIfNeeded(t){var e=t.targetCanvas,i=e.width,r=e.height,n=t.destinationWidth,s=t.destinationHeight;i===n&&r===s||(e.width=n,e.height=s)}function copyGLTo2DDrawImage(t,e){var i=t.canvas,r=e.targetCanvas,n=r.getContext("2d");n.translate(0,r.height),n.scale(1,-1);var s=i.height-r.height;n.drawImage(i,0,s,r.width,r.height,0,0,r.width,r.height)}function copyGLTo2DPutImageData(t,e){var i=e.targetCanvas.getContext("2d"),r=e.destinationWidth,n=e.destinationHeight,s=r*n*4,o=new Uint8Array(this.imageBuffer,0,s),a=new Uint8ClampedArray(this.imageBuffer,0,s);t.readPixels(0,0,r,n,t.RGBA,t.UNSIGNED_BYTE,o);var h=new ImageData(a,r,n);i.putImageData(h,0,0)}var fabric=fabric||{version:"2.0.0-rc.1"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window):(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"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView,DOMParser=require("xmldom").DOMParser),fabric.isTouchSupported="ontouchstart"in fabric.window,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","paint-order","instantiated_by_use"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.browserShadowBlurConstant=1,fabric.initFilterBackend=function(){return fabric.enableGLFiltering&&fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},"undefined"!=typeof document&&"undefined"!=typeof window&&(window.fabric=fabric),function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},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.array.min(e),r=fabric.util.array.max(e)-i,n=[t[0].y,t[1].y,t[2].y,t[3].y],s=fabric.util.array.min(n);return{left:i,top:s,width:r,height:fabric.util.array.max(n)-s}},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]},getSvgAttributes:function(t){var e=["instantiated_by_use","style","id","class"];switch(t){case"linearGradient":e=e.concat(["x1","y1","x2","y2","gradientUnits","gradientTransform"]);break;case"radialGradient":e=e.concat(["gradientUnits","gradientTransform","cx","cy","r","fx","fy","fr"]);break;case"stop":e=e.concat(["offset","stop-color","stop-opacity"])}return e},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;ir;)(r+=a[d++%f])>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(){return fabric.document.createElement("canvas")},createImage:function(){return fabric.document.createElement("img")},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.rotate(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n0?P-=2*f:1===c&&P<0&&(P+=2*f);for(var M=Math.ceil(Math.abs(P/f*2)),F=[],L=P/M,I=8/3*Math.sin(L/4)*Math.sin(L/4)/Math.sin(L/2),R=A+L,B=0;B=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,_=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 T=0;T<2;++T)if(T>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(m=f*f-4*d*u)<0||(0<(p=(-f+(b=_(m)))/(2*u))&&p<1&&S.push(p),0<(v=(-f-b)/(2*u))&&v<1&&S.push(v));for(var O,k,D,E=S.length,j=E;E--;)O=(D=1-(g=S[E]))*D*D*t+3*D*D*g*i+3*D*g*g*n+g*g*g*h,w[0][E]=O,k=D*D*D*e+3*D*D*g*r+3*D*g*g*s+g*g*g*c,w[1][E]=k;w[0][j]=t,w[1][j]=e,w[0][j+1]=h,w[1][j+1]=c;var A=[{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]=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=[[],[],[],[]],u=t(n[5]-i,n[6]-r,s,o,h,c,a),f=0,d=u.length;f=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;n57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}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,"&").replace(/"/g,""").replace(/'/g,"'").replace(//g,">")},graphemeSplit:function(e){var i,r=0,n=[];for(r=0,i;r1?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=.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.makeElementUnselectable=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--;)try{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.msRequestAnimationFrame||function(t){return fabric.window.setTimeout(t,1e3/60)},r=fabric.window.cancelAnimationFrame||fabric.window.clearTimeout;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,m=u(p,f,g,o),b=Math.abs((m-f)/g);h(m,b,v),n>a?i.onComplete&&i.onComplete():e(t)}}(s)})},fabric.util.requestAnimFrame=e,fabric.util.cancelAnimFrame=function(){return r.apply(fabric.window,arguments)}}(),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-1&&a>-1&&a-1&&(e="stroke")}else n=s?e.map(y):y(e,r);else e="";return!s&&isNaN(n)?e:n}function r(t){return new RegExp("^("+t.join("|")+")\\b","i")}function n(t){for(var e in k)if(void 0!==t[k[e]]&&""!==t[e]){if(void 0===t[e]){if(!v.Object.prototype[e])continue;t[e]=v.Object.prototype[e]}if(0!==t[e].indexOf("url(")){var i=new v.Color(t[e]);t[e]=i.setAlpha(_(i.getAlpha()*t[k[e]],2)).toRgba()}}return t}function s(t,e){var i,r,n,s,o=[];for(n=0,s=e.length;na?a:o),1===o&&1===a&&0===h&&0===c&&0===f&&0===d)return _;if((f||d)&&(x=" translate("+y(f)+" "+y(d)+") "),r=x+" matrix("+o+" 0 0 "+a+" "+h*o+" "+c*a+") 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v=t.fabric||(t.fabric={}),m=v.util.object.extend,b=v.util.object.clone,_=v.util.toFixed,y=v.util.parseUnit,x=v.util.multiplyTransformMatrices,C=["path","circle","polygon","polyline","ellipse","rect","line","image","text","linearGradient","radialGradient","stop"],S=["symbol","image","marker","pattern","view","svg"],w=["pattern","defs","symbol","metadata","clipPath","mask","desc"],T=["symbol","g","a","svg"],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","paint-order":"paintFirst","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"textAnchor",opacity:"opacity"},k={stroke:"strokeOpacity",fill:"fillOpacity"};v.svgValidTagNamesRegEx=r(C),v.svgViewBoxElementsRegEx=r(S),v.svgInvalidAncestorsRegEx=r(w),v.svgValidParentsRegEx=r(T),v.cssRules={},v.gradientDefs={},v.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(v.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=v.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 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DOMParser){var s=new DOMParser;s&&s.parseFromString&&(n=s.parseFromString(t,"text/xml"))}else v.window.ActiveXObject&&((n=new ActiveXObject("Microsoft.XMLDOM")).async="false",n.loadXML(t.replace(//i,"")));v.parseSVGDocument(n.documentElement,function(t,i,r,n){e(t,i,r,n)},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;tt.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},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={});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=function(t,i,r){var n,s,o,a,h=new e,c=r.length;for(a=0;a0&&(h.status="Intersection"),h},i.Intersection.intersectPolygonPolygon=function(t,i){var r,n=new e,s=t.length;for(r=0;r0&&(n.status="Intersection"),n},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+(e1?1:o,s){var a=s.split(/\s*;\s*/);for(""===a[a.length-1]&&a.pop(),n=a.length;n--;){var h=a[n].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:o,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}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 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,s,o=n(this.coords,!0),a=n(this.colorStops,!0),h=o.r1>o.r2,c=t.width/2,l=t.height/2;a.sort(function(t,e){return t.offset-e.offset}),"path"===t.type&&(c-=t.pathOffset.x,l-=t.pathOffset.y);for(var u in o)"x1"===u||"x2"===u?o[u]+=this.offsetX-c:"y1"!==u&&"y2"!==u||(o[u]+=this.offsetY-l);if(s='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(s+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?r=["\n']:"radial"===this.type&&(r=["\n']),"radial"===this.type){if(h)for((a=a.concat()).reverse(),e=0,i=a.length;e0){var d=f/Math.max(o.r1,o.r2);for(e=0,i=a.length;e\n')}return r.push("linear"===this.type?"\n":"\n"),r.join("")},toLive:function(t){var e,i,r,n=fabric.util.object.clone(this.coords);if(this.type){for("linear"===this.type?e=t.createLinearGradient(n.x1,n.y1,n.x2,n.y2):"radial"===this.type&&(e=t.createRadialGradient(n.x1,n.y1,n.r1,n.x2,n.y2,n.r2)),i=0,r=this.colorStops.length;i\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="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),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),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.renderAndResetBound=this.renderAndReset.bind(this),this.requestRenderAllBound=this.requestRenderAll.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=this.requestRenderAllBound;this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(){var t=fabric.util.createCanvasElement();if(!t)throw o;if(t.style||(t.style={}),void 0===t.getContext)throw o;return t},_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){t&&t.getContext?this.lowerCanvasEl=t:this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(),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.requestRenderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i,r,n=this._activeObject;for(this.viewportTransform=t,i=0,r=this._objects.length;i"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("