From fe064e9cc3f08899f6a08a0a781e3439cbf0669a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=BCrg=20Lehni?= Date: Sun, 6 Apr 2014 13:44:19 +0200 Subject: [PATCH] Switch from dist/paper.js to dist/paper-full.js and explain the different versions in the README. Closes #422. --- README.md | 14 +- bower.json | 2 +- build/build.sh | 9 +- build/load.sh | 14 +- build/zip.sh | 3 - component.json | 2 +- dist/paper.js | 12874 ---------------- examples/Animated/AnimatedStar.html | 4 +- examples/Animated/CandyCrash.html | 4 +- examples/Animated/Extruded.html | 4 +- examples/Animated/Lines.html | 4 +- examples/Animated/Smoothing.html | 4 +- examples/Animated/Space.html | 4 +- examples/Animated/SpaceUsingShapes.html | 4 +- examples/Games/Paperoids.html | 28 +- examples/Interface/Palette.html | 2 +- examples/JSON/Circle Testing.html | 8 +- examples/JSON/Compound Path.html | 4 +- examples/JSON/Empty Path Testing.html | 8 +- examples/JSON/Gradients.html | 6 +- examples/JSON/Group Transform.html | 4 +- examples/JSON/Line Testing.html | 10 +- examples/JSON/Random Path Testing.html | 10 +- examples/JSON/Raster.html | 4 +- examples/JSON/Rect and Attribute Testing.html | 12 +- examples/JSON/Rotated Primitives.html | 4 +- examples/JSON/Selection.html | 4 +- examples/JSON/Shapes.html | 4 +- examples/JSON/Symbols.html | 4 +- examples/JSON/Text Testing.html | 6 +- examples/JSON/Tiger.html | 4 +- examples/JSON/Transform Test 1.html | 4 +- examples/JSON/Transform Test 2.html | 4 +- examples/Paperjs.org/BouncingBalls.html | 6 +- examples/Paperjs.org/Chain.html | 2 +- examples/Paperjs.org/DivisionRaster.html | 4 +- examples/Paperjs.org/FutureSplash.html | 4 +- examples/Paperjs.org/HitTesting.html | 4 +- examples/Paperjs.org/InteractiveTiger.html | 8 +- examples/Paperjs.org/MetaBalls.html | 4 +- examples/Paperjs.org/NyanRainbow.html | 4 +- examples/Paperjs.org/PathIntersections.html | 6 +- examples/Paperjs.org/Qbertify.html | 4 +- examples/Paperjs.org/RadialRainbows.html | 4 +- examples/Paperjs.org/RoundedRectangles.html | 4 +- examples/Paperjs.org/SatieLikedToDraw.html | 8 +- examples/Paperjs.org/Simplify.html | 4 +- examples/Paperjs.org/SpiralRaster.html | 4 +- examples/Paperjs.org/Tadpoles.html | 4 +- examples/Paperjs.org/Voronoi.html | 6 +- examples/Rasters/PhyllotaxisRaster.html | 4 +- examples/Rasters/Raster.html | 4 +- examples/Rasters/RotationRaster.html | 4 +- examples/SVG Export/Circle Testing.html | 10 +- examples/SVG Export/Clipping.html | 4 +- examples/SVG Export/Compound Path.html | 4 +- examples/SVG Export/Empty Path Testing.html | 8 +- examples/SVG Export/Gradients.html | 4 +- examples/SVG Export/Group Transform.html | 4 +- examples/SVG Export/Line Testing.html | 10 +- examples/SVG Export/Random Path Testing.html | 10 +- examples/SVG Export/Raster.html | 4 +- .../Rect and Attribute Testing.html | 12 +- examples/SVG Export/Rotated Primitives.html | 4 +- examples/SVG Export/Shapes.html | 4 +- examples/SVG Export/Symbols.html | 4 +- examples/SVG Export/Text Testing.html | 10 +- examples/SVG Export/Tiger.html | 4 +- examples/SVG Export/Transform Test 1.html | 4 +- examples/SVG Export/Transform Test 2.html | 4 +- examples/SVG Import/Arcs.html | 12 +- examples/SVG Import/Butterfly.html | 6 +- .../Circle and Ellipse Testing.html | 4 +- examples/SVG Import/Clipping.html | 6 +- examples/SVG Import/From File.html | 4 +- examples/SVG Import/Gradient.html | 138 + examples/SVG Import/Gradients.html | 6 +- examples/SVG Import/Inkscape.html | 6 +- examples/SVG Import/Line Testing.html | 4 +- examples/SVG Import/MoreGradients.html | 6 +- .../SVG Import/Multiple Paths Test 1.html | 10 +- .../SVG Import/Multiple Paths Test 2.html | 4 +- examples/SVG Import/Nested Groups Test.html | 6 +- examples/SVG Import/Polybezier.html | 4 +- examples/SVG Import/Rect Testing.html | 4 +- examples/SVG Import/Symbols.html | 4 +- examples/SVG Import/Testing.html | 8 +- examples/SVG Import/Text Testing.html | 4 +- examples/SVG Import/Tiger.html | 6 +- examples/SVG Import/Transform Testing.html | 4 +- examples/SVG Import/Viewbox.html | 12 +- examples/SVG Import/gradient.svg | 124 + examples/Scripts/Arcs.html | 4 +- examples/Scripts/BlendModes.html | 4 +- examples/Scripts/BooleanOperations.html | 2 +- examples/Scripts/CompoundPath.html | 4 +- .../Scripts/CurveTimeParameterization.html | 4 +- examples/Scripts/HslColor.html | 6 +- examples/Scripts/PathStructure.html | 4 +- examples/Scripts/Resize.html | 6 +- examples/Scripts/RoundRectangle.html | 4 +- examples/Scripts/Shapes.html | 2 +- examples/Scripts/StrokeBounds.html | 4 +- examples/Tools/BezierTool.html | 4 +- examples/Tools/Circles.html | 4 +- examples/Tools/Clouds.html | 4 +- examples/Tools/DrippingBrush.html | 4 +- examples/Tools/FancyBrush.html | 4 +- examples/Tools/Grid.html | 4 +- examples/Tools/MultiLines.html | 4 +- examples/Tools/PathEditing.html | 4 +- examples/Tools/SquareRounded.html | 4 +- examples/Tools/Stars.html | 4 +- examples/Tools/Vektor.html | 4 +- examples/Tools/Wave.html | 4 +- examples/Tools/WormFarm.html | 4 +- src/load.js | 4 +- 117 files changed, 570 insertions(+), 13184 deletions(-) delete mode 100644 dist/paper.js create mode 100644 examples/SVG Import/Gradient.html create mode 100644 examples/SVG Import/gradient.svg diff --git a/README.md b/README.md index 0049be18..78a1ae65 100644 --- a/README.md +++ b/README.md @@ -24,7 +24,15 @@ With Bower installed, simply type this command in your project folder: bower install paper -Upon execution, you will find a `paper` folder inside the project's `component` folder. For more information on Bower and to learn about its features for dependence tracking, see . +Upon execution, you will find a `paper` folder inside the project's `bower_components` folder. For more information on Bower and to learn about its features for dependence tracking, see . + +## Which Version to Use? + +The various distributions come with three different pre-build versions of Paper.js, in minified and normal variants: + +- `paper-full.js` – The full version for the browser, including PaperScript support and Acorn.js +- `paper-core.js` – The core version for the browser, without PaperScript support nor Acorn.js. Use this to shave off some bytes when working with JavaScript directly. +- `paper-node.js` – The version for Node.js. It is recommended to install this through NPM, see below. ## Installing Paper.js for Node.js through NPM @@ -50,7 +58,7 @@ Also, whenever you would like to update the modules, you will need to execute: You might also need these additional packages if you don't usually build from c++ sources: - sudo apt-get install build-essential libssl-dev libjpeg8-dev libgif-dev + sudo apt-get install build-essential libssl-dev libjpeg8-dev libgif-dev **Ater Cairo has been installed:** @@ -142,7 +150,7 @@ And to go back to a built library cd build ./build.sh -Note that your PaperScripts examples do not need to change, they can simply load `dist/paper.js`, which will always do the right rhing. Note also that `src/load.js` handles both browsers and Node.js, through the handy PrePro library . +Note that your PaperScripts examples do not need to change, they can keep loading `dist/paper-full.js`, which will always do the right thing. Note also that `src/load.js` handles both browsers and Node.js, through the handy PrePro JS preprocessing library . ### Testing diff --git a/bower.json b/bower.json index b88f1b96..f7895c2a 100644 --- a/bower.json +++ b/bower.json @@ -16,7 +16,7 @@ "vector", "graphic", "graphics", "2d", "geometry", "bezier", "curve", "curves", "path", "paths", "canvas", "svg", "paper", "paper.js" ], - "main": "dist/paper.js", + "main": "dist/paper-full.js", "ignore": [ "build", "components", diff --git a/build/build.sh b/build/build.sh index cea8b297..fc73efd7 100755 --- a/build/build.sh +++ b/build/build.sh @@ -32,11 +32,4 @@ fi ./preprocess.sh $MODE ../src/paper.js "-i '../src/constants.js'" ../dist/paper-full.js ./preprocess.sh $MODE ../src/paper.js "-o '{ \"paperScript\": false, \"palette\": false }' -i '../src/constants.js'" ../dist/paper-core.js -./preprocess.sh $MODE ../src/paper.js "-o '{ \"environment\": \"node\", \"legacy\": false }' -i '../src/constants.js'" ../dist/paper-node.js - -# Remove the existing file and copy paper-full.js to paper.js now -if [ -f ../dist/paper.js ] -then - rm ../dist/paper.js -fi -cp ../dist/paper-full.js ../dist/paper.js +./preprocess.sh $MODE ../src/paper.js "-o '{ \"environment\": \"node\", \"legacy\": false }' -i '../src/constants.js'" ../dist/paper-node.js diff --git a/build/load.sh b/build/load.sh index 8b231cb9..5411d69c 100755 --- a/build/load.sh +++ b/build/load.sh @@ -10,13 +10,13 @@ # # All rights reserved. -# This script simply copies src/load.js to dist/paper.js and dist/paper-node.js, -# which loads the library from separate sources through PrePro both in the -# browser and in Node.js. +# This script simply creates symbolic links to src/load.js from +# dist/paper-full.js and dist/paper-node.js, which loads the library from +# separate sources through PrePro both in the browser and in Node.js. -if [ -f ../dist/paper.js ] +if [ -f ../dist/paper-full.js ] then - rm ../dist/paper.js + rm ../dist/paper-full.js fi if [ -f ../dist/paper-node.js ] @@ -24,5 +24,5 @@ then rm ../dist/paper-node.js fi -cp ../src/load.js ../dist/paper.js -cp ../src/load.js ../dist/paper-node.js +ln -s ../src/load.js ../dist/paper-full.js +ln -s ../src/load.js ../dist/paper-node.js diff --git a/build/zip.sh b/build/zip.sh index 451e49f8..e204e172 100755 --- a/build/zip.sh +++ b/build/zip.sh @@ -29,9 +29,6 @@ cp $BASE/dist/paper-core.js dist cp $BASE/dist/paper-core.min.js dist # Copy examples over cp -r $BASE/examples . -# Replace "dist/paper.js" with "dist/paper-full.js" in examples -# (command taken from http://stackoverflow.com/questions/1583219/awk-sed-how-to-do-a-recursive-find-replace-of-a-string) -find ./examples -type f -name "*.html" -print0 | xargs -0 sed -i '' 's/dist\/paper\.js/dist\/paper-full\.js/g' # Copy docs over cp -r $BASE/dist/docs . # Zip the whole thing diff --git a/component.json b/component.json index d8022e08..3177b596 100644 --- a/component.json +++ b/component.json @@ -8,5 +8,5 @@ "vector", "graphic", "graphics", "2d", "geometry", "bezier", "curve", "curves", "path", "paths", "canvas", "svg", "paper", "paper.js" ], - "scripts": ["./dist/paper.js"] + "scripts": ["./dist/paper-full.js"] } \ No newline at end of file diff --git a/dist/paper.js b/dist/paper.js deleted file mode 100644 index e1f21ad5..00000000 --- a/dist/paper.js +++ /dev/null @@ -1,12874 +0,0 @@ -/*! - * Paper.js v0.9.17 - The Swiss Army Knife of Vector Graphics Scripting. - * http://paperjs.org/ - * - * Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey - * http://scratchdisk.com/ & http://jonathanpuckey.com/ - * - * Distributed under the MIT license. See LICENSE file for details. - * - * All rights reserved. - * - * Date: Thu Mar 20 17:20:10 2014 +0100 - * - *** - * - * Straps.js - Class inheritance library with support for bean-style accessors - * - * Copyright (c) 2006 - 2013 Juerg Lehni - * http://scratchdisk.com/ - * - * Distributed under the MIT license. - * - *** - * - * Acorn.js - * http://marijnhaverbeke.nl/acorn/ - * - * Acorn is a tiny, fast JavaScript parser written in JavaScript, - * created by Marijn Haverbeke and released under an MIT license. - * - */ - -var paper = new function(undefined) { - -var Base = new function() { - var hidden = /^(statics|preserve|enumerable|prototype|toString|valueOf)$/, - - forEach = [].forEach || function(iter, bind) { - for (var i = 0, l = this.length; i < l; i++) - iter.call(bind, this[i], i, this); - }, - - forIn = function(iter, bind) { - for (var i in this) - if (this.hasOwnProperty(i)) - iter.call(bind, this[i], i, this); - }, - - create = Object.create || function(proto) { - return { __proto__: proto }; - }, - - describe = Object.getOwnPropertyDescriptor || function(obj, name) { - var get = obj.__lookupGetter__ && obj.__lookupGetter__(name); - return get - ? { get: get, set: obj.__lookupSetter__(name), - enumerable: true, configurable: true } - : obj.hasOwnProperty(name) - ? { value: obj[name], enumerable: true, - configurable: true, writable: true } - : null; - }, - - _define = Object.defineProperty || function(obj, name, desc) { - if ((desc.get || desc.set) && obj.__defineGetter__) { - if (desc.get) - obj.__defineGetter__(name, desc.get); - if (desc.set) - obj.__defineSetter__(name, desc.set); - } else { - obj[name] = desc.value; - } - return obj; - }, - - define = function(obj, name, desc) { - delete obj[name]; - return _define(obj, name, desc); - }; - - function inject(dest, src, enumerable, base, preserve) { - var beans; - - function field(name, val, dontCheck) { - var val = val || (val = describe(src, name)) - && (val.get ? val : val.value); - if (typeof val === 'string' && val[0] === '#') - val = dest[val.substring(1)] || val; - var isFunc = typeof val === 'function', - res = val, - prev = preserve || isFunc - ? (val && val.get ? name in dest : dest[name]) : null, - bean; - if ((dontCheck || val !== undefined && src.hasOwnProperty(name)) - && (!preserve || !prev)) { - if (isFunc && prev) - val.base = prev; - if (isFunc && beans - && (bean = name.match(/^([gs]et|is)(([A-Z])(.*))$/))) - beans[bean[3].toLowerCase() + bean[4]] = bean[2]; - if (!res || isFunc || !res.get || typeof res.get !== 'function' - || !Base.isPlainObject(res)) - res = { value: res, writable: true }; - if ((describe(dest, name) - || { configurable: true }).configurable) { - res.configurable = true; - res.enumerable = enumerable; - } - define(dest, name, res); - } - } - if (src) { - beans = {}; - for (var name in src) - if (src.hasOwnProperty(name) && !hidden.test(name)) - field(name, null, true); - field('toString'); - field('valueOf'); - for (var name in beans) { - var part = beans[name], - set = dest['set' + part], - get = dest['get' + part] || set && dest['is' + part]; - if (get && (get.length === 0 || set)) - field(name, { get: get, set: set }, true); - } - } - return dest; - } - - function each(obj, iter, bind) { - if (obj) - ('length' in obj && !obj.getLength - && typeof obj.length === 'number' - ? forEach - : forIn).call(obj, iter, bind = bind || obj); - return bind; - } - - function copy(dest, source) { - for (var i in source) - if (source.hasOwnProperty(i)) - dest[i] = source[i]; - return dest; - } - - return inject(function Base() { - for (var i = 0, l = arguments.length; i < l; i++) - copy(this, arguments[i]); - }, { - inject: function(src) { - if (src) { - var proto = this.prototype, - base = Object.getPrototypeOf(proto).constructor, - statics = src.statics === true ? src : src.statics; - if (statics != src) - inject(proto, src, src.enumerable, base && base.prototype, - src.preserve); - inject(this, statics, true, base, src.preserve); - } - for (var i = 1, l = arguments.length; i < l; i++) - this.inject(arguments[i]); - return this; - }, - - extend: function() { - var base = this, - ctor; - for (var i = 0, l = arguments.length; i < l; i++) - if (ctor = arguments[i].initialize) - break; - ctor = ctor || function() { - base.apply(this, arguments); - }; - ctor.prototype = create(this.prototype); - ctor.base = base; - define(ctor.prototype, 'constructor', - { value: ctor, writable: true, configurable: true }); - inject(ctor, this, true); - return arguments.length ? this.inject.apply(ctor, arguments) : ctor; - } - }, true).inject({ - inject: function() { - for (var i = 0, l = arguments.length; i < l; i++) - inject(this, arguments[i], arguments[i].enumerable); - return this; - }, - - extend: function() { - var res = create(this); - return res.inject.apply(res, arguments); - }, - - each: function(iter, bind) { - return each(this, iter, bind); - }, - - clone: function() { - return new this.constructor(this); - }, - - statics: { - each: each, - create: create, - define: define, - describe: describe, - copy: copy, - - clone: function(obj) { - return copy(new obj.constructor(), obj); - }, - - isPlainObject: function(obj) { - var ctor = obj != null && obj.constructor; - return ctor && (ctor === Object || ctor === Base - || ctor.name === 'Object'); - }, - - pick: function() { - for (var i = 0, l = arguments.length; i < l; i++) - if (arguments[i] !== undefined) - return arguments[i]; - return null; - } - } - }); -}; - -if (typeof module !== 'undefined') - module.exports = Base; - -if (!Array.isArray) { - Array.isArray = function(obj) { - return Object.prototype.toString.call(obj) === '[object Array]'; - }; -} - -if (!document.head) { - document.head = document.getElementsByTagName('head')[0]; -} - -Base.inject({ - toString: function() { - return this._id != null - ? (this._class || 'Object') + (this._name - ? " '" + this._name + "'" - : ' @' + this._id) - : '{ ' + Base.each(this, function(value, key) { - if (!/^_/.test(key)) { - var type = typeof value; - this.push(key + ': ' + (type === 'number' - ? Formatter.instance.number(value) - : type === 'string' ? "'" + value + "'" : value)); - } - }, []).join(', ') + ' }'; - }, - - exportJSON: function(options) { - return Base.exportJSON(this, options); - }, - - toJSON: function() { - return Base.serialize(this); - }, - - _set: function(props, exclude) { - if (props && Base.isPlainObject(props)) { - var orig = props._filtering || props; - for (var key in orig) { - if (key in this && orig.hasOwnProperty(key) - && (!exclude || !exclude[key])) { - var value = props[key]; - if (value !== undefined) - this[key] = value; - } - } - return true; - } - }, - - statics: { - - exports: { - enumerable: true - }, - - extend: function extend() { - var res = extend.base.apply(this, arguments), - name = res.prototype._class; - if (name && !Base.exports[name]) - Base.exports[name] = res; - return res; - }, - - equals: function(obj1, obj2) { - function checkKeys(o1, o2) { - for (var i in o1) - if (o1.hasOwnProperty(i) && !o2.hasOwnProperty(i)) - return false; - return true; - } - if (obj1 === obj2) - return true; - if (obj1 && obj1.equals) - return obj1.equals(obj2); - if (obj2 && obj2.equals) - return obj2.equals(obj1); - if (Array.isArray(obj1) && Array.isArray(obj2)) { - if (obj1.length !== obj2.length) - return false; - for (var i = 0, l = obj1.length; i < l; i++) { - if (!Base.equals(obj1[i], obj2[i])) - return false; - } - return true; - } - if (obj1 && typeof obj1 === 'object' - && obj2 && typeof obj2 === 'object') { - if (!checkKeys(obj1, obj2) || !checkKeys(obj2, obj1)) - return false; - for (var i in obj1) { - if (obj1.hasOwnProperty(i) - && !Base.equals(obj1[i], obj2[i])) - return false; - } - return true; - } - return false; - }, - - read: function(list, start, options, length) { - if (this === Base) { - var value = this.peek(list, start); - list.__index++; - return value; - } - var proto = this.prototype, - readIndex = proto._readIndex, - index = start || readIndex && list.__index || 0; - if (!length) - length = list.length - index; - var obj = list[index]; - if (obj instanceof this - || options && options.readNull && obj == null && length <= 1) { - if (readIndex) - list.__index = index + 1; - return obj && options && options.clone ? obj.clone() : obj; - } - obj = Base.create(this.prototype); - if (readIndex) - obj.__read = true; - obj = obj.initialize.apply(obj, index > 0 || length < list.length - ? Array.prototype.slice.call(list, index, index + length) - : list) || obj; - if (readIndex) { - list.__index = index + obj.__read; - obj.__read = undefined; - } - return obj; - }, - - peek: function(list, start) { - return list[list.__index = start || list.__index || 0]; - }, - - remain: function(list) { - return list.length - (list.__index || 0); - }, - - readAll: function(list, start, options) { - var res = [], - entry; - for (var i = start || 0, l = list.length; i < l; i++) { - res.push(Array.isArray(entry = list[i]) - ? this.read(entry, 0, options) - : this.read(list, i, options, 1)); - } - return res; - }, - - readNamed: function(list, name, start, options, length) { - var value = this.getNamed(list, name), - hasObject = value !== undefined; - if (hasObject) { - var filtered = list._filtered; - if (!filtered) { - filtered = list._filtered = Base.create(list[0]); - filtered._filtering = list[0]; - } - filtered[name] = undefined; - } - return this.read(hasObject ? [value] : list, start, options, length); - }, - - getNamed: function(list, name) { - var arg = list[0]; - if (list._hasObject === undefined) - list._hasObject = list.length === 1 && Base.isPlainObject(arg); - if (list._hasObject) - return name ? arg[name] : list._filtered || arg; - }, - - hasNamed: function(list, name) { - return !!this.getNamed(list, name); - }, - - isPlainValue: function(obj) { - return this.isPlainObject(obj) || Array.isArray(obj); - }, - - serialize: function(obj, options, compact, dictionary) { - options = options || {}; - - var root = !dictionary, - res; - if (root) { - options.formatter = new Formatter(options.precision); - dictionary = { - length: 0, - definitions: {}, - references: {}, - add: function(item, create) { - var id = '#' + item._id, - ref = this.references[id]; - if (!ref) { - this.length++; - var res = create.call(item), - name = item._class; - if (name && res[0] !== name) - res.unshift(name); - this.definitions[id] = res; - ref = this.references[id] = [id]; - } - return ref; - } - }; - } - if (obj && obj._serialize) { - res = obj._serialize(options, dictionary); - var name = obj._class; - if (name && !compact && !res._compact && res[0] !== name) - res.unshift(name); - } else if (Array.isArray(obj)) { - res = []; - for (var i = 0, l = obj.length; i < l; i++) - res[i] = Base.serialize(obj[i], options, compact, - dictionary); - if (compact) - res._compact = true; - } else if (Base.isPlainObject(obj)) { - res = {}; - for (var i in obj) - if (obj.hasOwnProperty(i)) - res[i] = Base.serialize(obj[i], options, compact, - dictionary); - } else if (typeof obj === 'number') { - res = options.formatter.number(obj, options.precision); - } else { - res = obj; - } - return root && dictionary.length > 0 - ? [['dictionary', dictionary.definitions], res] - : res; - }, - - deserialize: function(json, create, _data) { - var res = json, - isRoot = !_data; - _data = _data || {}; - if (Array.isArray(json)) { - var type = json[0], - isDictionary = type === 'dictionary'; - if (!isDictionary) { - if (_data.dictionary && json.length == 1 && /^#/.test(type)) - return _data.dictionary[type]; - type = Base.exports[type]; - } - res = []; - for (var i = type ? 1 : 0, l = json.length; i < l; i++) - res.push(Base.deserialize(json[i], create, _data)); - if (isDictionary) { - _data.dictionary = res[0]; - } else if (type) { - var args = res; - if (create) { - res = create(type, args, isRoot); - } else { - res = Base.create(type.prototype); - type.apply(res, args); - } - } - } else if (Base.isPlainObject(json)) { - res = {}; - for (var key in json) - res[key] = Base.deserialize(json[key], create, _data); - } - return res; - }, - - exportJSON: function(obj, options) { - var json = Base.serialize(obj, options); - return options && options.asString === false - ? json - : JSON.stringify(json); - }, - - importJSON: function(json, target) { - return Base.deserialize( - typeof json === 'string' ? JSON.parse(json) : json, - function(type, args, isRoot) { - var obj = target && target.constructor === type - ? target - : Base.create(type.prototype), - isTarget = obj === target; - if (!isRoot && args.length === 1 && obj instanceof Item - && (!(obj instanceof Layer) || isTarget)) { - var arg = args[0]; - if (Base.isPlainObject(arg)) - arg.insert = false; - } - type.apply(obj, args); - if (isTarget) - target = null; - return obj; - }); - }, - - splice: function(list, items, index, remove) { - var amount = items && items.length, - append = index === undefined; - index = append ? list.length : index; - if (index > list.length) - index = list.length; - for (var i = 0; i < amount; i++) - items[i]._index = index + i; - if (append) { - list.push.apply(list, items); - return []; - } else { - var args = [index, remove]; - if (items) - args.push.apply(args, items); - var removed = list.splice.apply(list, args); - for (var i = 0, l = removed.length; i < l; i++) - removed[i]._index = undefined; - for (var i = index + amount, l = list.length; i < l; i++) - list[i]._index = i; - return removed; - } - }, - - capitalize: function(str) { - return str.replace(/\b[a-z]/g, function(match) { - return match.toUpperCase(); - }); - }, - - camelize: function(str) { - return str.replace(/-(.)/g, function(all, chr) { - return chr.toUpperCase(); - }); - }, - - hyphenate: function(str) { - return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase(); - } - } -}); - -var Callback = { - attach: function(type, func) { - if (typeof type !== 'string') { - Base.each(type, function(value, key) { - this.attach(key, value); - }, this); - return; - } - var entry = this._eventTypes[type]; - if (entry) { - var handlers = this._handlers = this._handlers || {}; - handlers = handlers[type] = handlers[type] || []; - if (handlers.indexOf(func) == -1) { - handlers.push(func); - if (entry.install && handlers.length == 1) - entry.install.call(this, type); - } - } - }, - - detach: function(type, func) { - if (typeof type !== 'string') { - Base.each(type, function(value, key) { - this.detach(key, value); - }, this); - return; - } - var entry = this._eventTypes[type], - handlers = this._handlers && this._handlers[type], - index; - if (entry && handlers) { - if (!func || (index = handlers.indexOf(func)) != -1 - && handlers.length == 1) { - if (entry.uninstall) - entry.uninstall.call(this, type); - delete this._handlers[type]; - } else if (index != -1) { - handlers.splice(index, 1); - } - } - }, - - once: function(type, func) { - this.attach(type, function() { - func.apply(this, arguments); - this.detach(type, func); - }); - }, - - fire: function(type, event) { - var handlers = this._handlers && this._handlers[type]; - if (!handlers) - return false; - var args = [].slice.call(arguments, 1), - that = this; - for (var i = 0, l = handlers.length; i < l; i++) { - if (handlers[i].apply(that, args) === false - && event && event.stop) { - event.stop(); - break; - } - } - return true; - }, - - responds: function(type) { - return !!(this._handlers && this._handlers[type]); - }, - - on: '#attach', - off: '#detach', - trigger: '#fire', - - _installEvents: function(install) { - var handlers = this._handlers, - key = install ? 'install' : 'uninstall'; - for (var type in handlers) { - if (handlers[type].length > 0) { - var entry = this._eventTypes[type], - func = entry[key]; - if (func) - func.call(this, type); - } - } - }, - - statics: { - inject: function inject() { - for (var i = 0, l = arguments.length; i < l; i++) { - var src = arguments[i], - events = src._events; - if (events) { - var types = {}; - Base.each(events, function(entry, key) { - var isString = typeof entry === 'string', - name = isString ? entry : key, - part = Base.capitalize(name), - type = name.substring(2).toLowerCase(); - types[type] = isString ? {} : entry; - name = '_' + name; - src['get' + part] = function() { - return this[name]; - }; - src['set' + part] = function(func) { - var prev = this[name]; - if (prev) - this.detach(type, prev); - if (func) - this.attach(type, func); - this[name] = func; - }; - }); - src._eventTypes = types; - } - inject.base.call(this, src); - } - return this; - } - } -}; - -var PaperScope = Base.extend({ - _class: 'PaperScope', - - initialize: function PaperScope(script) { - paper = this; - this.settings = { - applyMatrix: true, - handleSize: 4, - hitTolerance: 0 - }; - this.project = null; - this.projects = []; - this.tools = []; - this.palettes = []; - this._id = script && (script.getAttribute('id') || script.src) - || ('paperscope-' + (PaperScope._id++)); - if (script) - script.setAttribute('id', this._id); - PaperScope._scopes[this._id] = this; - if (!this.support) { - var ctx = CanvasProvider.getContext(1, 1); - PaperScope.prototype.support = { - nativeDash: 'setLineDash' in ctx || 'mozDash' in ctx, - nativeBlendModes: BlendMode.nativeModes - }; - CanvasProvider.release(ctx); - } - }, - - version: '0.9.17', - - getView: function() { - return this.project && this.project.getView(); - }, - - getPaper: function() { - return this; - }, - - execute: function(code) { - paper.PaperScript.execute(code, this); - View.updateFocus(); - }, - - install: function(scope) { - var that = this; - Base.each(['project', 'view', 'tool'], function(key) { - Base.define(scope, key, { - configurable: true, - get: function() { - return that[key]; - } - }); - }); - for (var key in this) - if (!/^_/.test(key) && this[key]) - scope[key] = this[key]; - }, - - setup: function(canvas) { - paper = this; - this.project = new Project(canvas); - return this; - }, - - activate: function() { - paper = this; - }, - - clear: function() { - for (var i = this.projects.length - 1; i >= 0; i--) - this.projects[i].remove(); - for (var i = this.tools.length - 1; i >= 0; i--) - this.tools[i].remove(); - for (var i = this.palettes.length - 1; i >= 0; i--) - this.palettes[i].remove(); - }, - - remove: function() { - this.clear(); - delete PaperScope._scopes[this._id]; - }, - - statics: new function() { - function handleAttribute(name) { - name += 'Attribute'; - return function(el, attr) { - return el[name](attr) || el[name]('data-paper-' + attr); - }; - } - - return { - _scopes: {}, - _id: 0, - - get: function(id) { - if (id && id.getAttribute) - id = id.getAttribute('id'); - return this._scopes[id] || null; - }, - - getAttribute: handleAttribute('get'), - hasAttribute: handleAttribute('has') - }; - } -}); - -var PaperScopeItem = Base.extend(Callback, { - - initialize: function(activate) { - this._scope = paper; - this._index = this._scope[this._list].push(this) - 1; - if (activate || !this._scope[this._reference]) - this.activate(); - }, - - activate: function() { - if (!this._scope) - return false; - var prev = this._scope[this._reference]; - if (prev && prev !== this) - prev.fire('deactivate'); - this._scope[this._reference] = this; - this.fire('activate', prev); - return true; - }, - - isActive: function() { - return this._scope[this._reference] === this; - }, - - remove: function() { - if (this._index == null) - return false; - Base.splice(this._scope[this._list], null, this._index, 1); - if (this._scope[this._reference] == this) - this._scope[this._reference] = null; - this._scope = null; - return true; - } -}); - -var Formatter = Base.extend({ - initialize: function(precision) { - this.precision = precision || 5; - this.multiplier = Math.pow(10, this.precision); - }, - - number: function(val) { - return Math.round(val * this.multiplier) / this.multiplier; - }, - - point: function(val, separator) { - return this.number(val.x) + (separator || ',') + this.number(val.y); - }, - - size: function(val, separator) { - return this.number(val.width) + (separator || ',') - + this.number(val.height); - }, - - rectangle: function(val, separator) { - return this.point(val, separator) + (separator || ',') - + this.size(val, separator); - } -}); - -Formatter.instance = new Formatter(); - -var Numerical = new function() { - - var abscissas = [ - [ 0.5773502691896257645091488], - [0,0.7745966692414833770358531], - [ 0.3399810435848562648026658,0.8611363115940525752239465], - [0,0.5384693101056830910363144,0.9061798459386639927976269], - [ 0.2386191860831969086305017,0.6612093864662645136613996,0.9324695142031520278123016], - [0,0.4058451513773971669066064,0.7415311855993944398638648,0.9491079123427585245261897], - [ 0.1834346424956498049394761,0.5255324099163289858177390,0.7966664774136267395915539,0.9602898564975362316835609], - [0,0.3242534234038089290385380,0.6133714327005903973087020,0.8360311073266357942994298,0.9681602395076260898355762], - [ 0.1488743389816312108848260,0.4333953941292471907992659,0.6794095682990244062343274,0.8650633666889845107320967,0.9739065285171717200779640], - [0,0.2695431559523449723315320,0.5190961292068118159257257,0.7301520055740493240934163,0.8870625997680952990751578,0.9782286581460569928039380], - [ 0.1252334085114689154724414,0.3678314989981801937526915,0.5873179542866174472967024,0.7699026741943046870368938,0.9041172563704748566784659,0.9815606342467192506905491], - [0,0.2304583159551347940655281,0.4484927510364468528779129,0.6423493394403402206439846,0.8015780907333099127942065,0.9175983992229779652065478,0.9841830547185881494728294], - [ 0.1080549487073436620662447,0.3191123689278897604356718,0.5152486363581540919652907,0.6872929048116854701480198,0.8272013150697649931897947,0.9284348836635735173363911,0.9862838086968123388415973], - [0,0.2011940939974345223006283,0.3941513470775633698972074,0.5709721726085388475372267,0.7244177313601700474161861,0.8482065834104272162006483,0.9372733924007059043077589,0.9879925180204854284895657], - [ 0.0950125098376374401853193,0.2816035507792589132304605,0.4580167776572273863424194,0.6178762444026437484466718,0.7554044083550030338951012,0.8656312023878317438804679,0.9445750230732325760779884,0.9894009349916499325961542] - ]; - - var weights = [ - [1], - [0.8888888888888888888888889,0.5555555555555555555555556], - [0.6521451548625461426269361,0.3478548451374538573730639], - [0.5688888888888888888888889,0.4786286704993664680412915,0.2369268850561890875142640], - [0.4679139345726910473898703,0.3607615730481386075698335,0.1713244923791703450402961], - [0.4179591836734693877551020,0.3818300505051189449503698,0.2797053914892766679014678,0.1294849661688696932706114], - [0.3626837833783619829651504,0.3137066458778872873379622,0.2223810344533744705443560,0.1012285362903762591525314], - [0.3302393550012597631645251,0.3123470770400028400686304,0.2606106964029354623187429,0.1806481606948574040584720,0.0812743883615744119718922], - [0.2955242247147528701738930,0.2692667193099963550912269,0.2190863625159820439955349,0.1494513491505805931457763,0.0666713443086881375935688], - [0.2729250867779006307144835,0.2628045445102466621806889,0.2331937645919904799185237,0.1862902109277342514260976,0.1255803694649046246346943,0.0556685671161736664827537], - [0.2491470458134027850005624,0.2334925365383548087608499,0.2031674267230659217490645,0.1600783285433462263346525,0.1069393259953184309602547,0.0471753363865118271946160], - [0.2325515532308739101945895,0.2262831802628972384120902,0.2078160475368885023125232,0.1781459807619457382800467,0.1388735102197872384636018,0.0921214998377284479144218,0.0404840047653158795200216], - [0.2152638534631577901958764,0.2051984637212956039659241,0.1855383974779378137417166,0.1572031671581935345696019,0.1215185706879031846894148,0.0801580871597602098056333,0.0351194603317518630318329], - [0.2025782419255612728806202,0.1984314853271115764561183,0.1861610000155622110268006,0.1662692058169939335532009,0.1395706779261543144478048,0.1071592204671719350118695,0.0703660474881081247092674,0.0307532419961172683546284], - [0.1894506104550684962853967,0.1826034150449235888667637,0.1691565193950025381893121,0.1495959888165767320815017,0.1246289712555338720524763,0.0951585116824927848099251,0.0622535239386478928628438,0.0271524594117540948517806] - ]; - - var abs = Math.abs, - sqrt = Math.sqrt, - pow = Math.pow, - cos = Math.cos, - PI = Math.PI, - TOLERANCE = 10e-6, - EPSILON = 10e-12; - - function setupRoots(roots, min, max) { - var unbound = min === undefined, - minE = min - EPSILON, - maxE = max + EPSILON, - count = 0; - return function(root) { - if (unbound || root > minE && root < maxE) - roots[count++] = root < min ? min : root > max ? max : root; - return count; - }; - } - - return { - TOLERANCE: TOLERANCE, - EPSILON: EPSILON, - KAPPA: 4 * (sqrt(2) - 1) / 3, - - isZero: function(val) { - return abs(val) <= EPSILON; - }, - - integrate: function(f, a, b, n) { - var x = abscissas[n - 2], - w = weights[n - 2], - A = 0.5 * (b - a), - B = A + a, - i = 0, - m = (n + 1) >> 1, - sum = n & 1 ? w[i++] * f(B) : 0; - while (i < m) { - var Ax = A * x[i]; - sum += w[i++] * (f(B + Ax) + f(B - Ax)); - } - return A * sum; - }, - - findRoot: function(f, df, x, a, b, n, tolerance) { - for (var i = 0; i < n; i++) { - var fx = f(x), - dx = fx / df(x), - nx = x - dx; - if (abs(dx) < tolerance) - return nx; - if (fx > 0) { - b = x; - x = nx <= a ? 0.5 * (a + b) : nx; - } else { - a = x; - x = nx >= b ? 0.5 * (a + b) : nx; - } - } - return x; - }, - - solveQuadratic: function(a, b, c, roots, min, max) { - var add = setupRoots(roots, min, max); - - if (abs(a) < EPSILON) { - if (abs(b) >= EPSILON) - return add(-c / b); - return abs(c) < EPSILON ? -1 : 0; - } - var p = b / (2 * a); - var q = c / a; - var p2 = p * p; - if (p2 < q - EPSILON) - return 0; - var s = p2 > q ? sqrt(p2 - q) : 0, - count = add(s - p); - if (s > 0) - count = add(-s - p); - return count; - }, - - solveCubic: function(a, b, c, d, roots, min, max) { - if (abs(a) < EPSILON) - return Numerical.solveQuadratic(b, c, d, roots, min, max); - - b /= a; - c /= a; - d /= a; - var add = setupRoots(roots, min, max), - bb = b * b, - p = (bb - 3 * c) / 9, - q = (2 * bb * b - 9 * b * c + 27 * d) / 54, - ppp = p * p * p, - D = q * q - ppp; - b /= 3; - if (abs(D) < EPSILON) { - if (abs(q) < EPSILON) - return add(-b); - var sqp = sqrt(p), - snq = q > 0 ? 1 : -1; - add(-snq * 2 * sqp - b); - return add(snq * sqp - b); - } - if (D < 0) { - var sqp = sqrt(p), - phi = Math.acos(q / (sqp * sqp * sqp)) / 3, - t = -2 * sqp, - o = 2 * PI / 3; - add(t * cos(phi) - b); - add(t * cos(phi + o) - b); - return add(t * cos(phi - o) - b); - } - var A = (q > 0 ? -1 : 1) * pow(abs(q) + sqrt(D), 1 / 3); - return add(A + p / A - b); - } - }; -}; - -var Point = Base.extend({ - _class: 'Point', - _readIndex: true, - - initialize: function Point(arg0, arg1) { - var type = typeof arg0; - if (type === 'number') { - var hasY = typeof arg1 === 'number'; - this.x = arg0; - this.y = hasY ? arg1 : arg0; - if (this.__read) - this.__read = hasY ? 2 : 1; - } else if (type === 'undefined' || arg0 === null) { - this.x = this.y = 0; - if (this.__read) - this.__read = arg0 === null ? 1 : 0; - } else { - if (Array.isArray(arg0)) { - this.x = arg0[0]; - this.y = arg0.length > 1 ? arg0[1] : arg0[0]; - } else if (arg0.x != null) { - this.x = arg0.x; - this.y = arg0.y; - } else if (arg0.width != null) { - this.x = arg0.width; - this.y = arg0.height; - } else if (arg0.angle != null) { - this.x = arg0.length; - this.y = 0; - this.setAngle(arg0.angle); - } else { - this.x = this.y = 0; - if (this.__read) - this.__read = 0; - } - if (this.__read) - this.__read = 1; - } - }, - - set: function(x, y) { - this.x = x; - this.y = y; - return this; - }, - - equals: function(point) { - return this === point || point - && (this.x === point.x && this.y === point.y - || Array.isArray(point) - && this.x === point[0] && this.y === point[1]) - || false; - }, - - clone: function() { - return new Point(this.x, this.y); - }, - - toString: function() { - var f = Formatter.instance; - return '{ x: ' + f.number(this.x) + ', y: ' + f.number(this.y) + ' }'; - }, - - _serialize: function(options) { - var f = options.formatter; - return [f.number(this.x), f.number(this.y)]; - }, - - add: function() { - var point = Point.read(arguments); - return new Point(this.x + point.x, this.y + point.y); - }, - - subtract: function() { - var point = Point.read(arguments); - return new Point(this.x - point.x, this.y - point.y); - }, - - multiply: function() { - var point = Point.read(arguments); - return new Point(this.x * point.x, this.y * point.y); - }, - - divide: function() { - var point = Point.read(arguments); - return new Point(this.x / point.x, this.y / point.y); - }, - - modulo: function() { - var point = Point.read(arguments); - return new Point(this.x % point.x, this.y % point.y); - }, - - negate: function() { - return new Point(-this.x, -this.y); - }, - - transform: function(matrix) { - return matrix ? matrix._transformPoint(this) : this; - }, - - getDistance: function(_point, squared) { - var point = Point.read(arguments), - x = point.x - this.x, - y = point.y - this.y, - d = x * x + y * y; - squared = Base.read(arguments); - return squared ? d : Math.sqrt(d); - }, - - getLength: function() { - return Math.sqrt(this.x * this.x + this.y * this.y); - }, - - setLength: function(length) { - if (this.isZero()) { - var angle = this._angle || 0; - this.set( - Math.cos(angle) * length, - Math.sin(angle) * length - ); - } else { - var scale = length / this.getLength(); - if (Numerical.isZero(scale)) - this.getAngle(); - this.set( - this.x * scale, - this.y * scale - ); - } - }, - - normalize: function(length) { - if (length === undefined) - length = 1; - var current = this.getLength(), - scale = current !== 0 ? length / current : 0, - point = new Point(this.x * scale, this.y * scale); - if (scale >= 0) - point._angle = this._angle; - return point; - }, - - getAngle: function() { - return this.getAngleInRadians.apply(this, arguments) * 180 / Math.PI; - }, - - setAngle: function(angle) { - this.setAngleInRadians.call(this, angle * Math.PI / 180); - }, - - getAngleInDegrees: '#getAngle', - setAngleInDegrees: '#setAngle', - - getAngleInRadians: function() { - if (!arguments.length) { - return this.isZero() - ? this._angle || 0 - : this._angle = Math.atan2(this.y, this.x); - } else { - var point = Point.read(arguments), - div = this.getLength() * point.getLength(); - if (Numerical.isZero(div)) { - return NaN; - } else { - return Math.acos(this.dot(point) / div); - } - } - }, - - setAngleInRadians: function(angle) { - this._angle = angle; - if (!this.isZero()) { - var length = this.getLength(); - this.set( - Math.cos(angle) * length, - Math.sin(angle) * length - ); - } - }, - - getQuadrant: function() { - return this.x >= 0 ? this.y >= 0 ? 1 : 4 : this.y >= 0 ? 2 : 3; - }, - - getDirectedAngle: function(_point) { - var point = _point; - point = Point.read(arguments); - return Math.atan2(this.cross(point), this.dot(point)) * 180 / Math.PI; - }, - - rotate: function(angle, center) { - if (angle === 0) - return this.clone(); - angle = angle * Math.PI / 180; - var point = center ? this.subtract(center) : this, - s = Math.sin(angle), - c = Math.cos(angle); - point = new Point( - point.x * c - point.y * s, - point.x * s + point.y * c - ); - return center ? point.add(center) : point; - }, - - isInside: function(rect) { - return rect.contains(this); - }, - - isClose: function(point, tolerance) { - return this.getDistance(point) < tolerance; - }, - - isColinear: function(point) { - return Math.abs(this.cross(point)) < 0.00001; - }, - - isOrthogonal: function(point) { - return Math.abs(this.dot(point)) < 0.00001; - }, - - isZero: function() { - return Numerical.isZero(this.x) && Numerical.isZero(this.y); - }, - - isNaN: function() { - return isNaN(this.x) || isNaN(this.y); - }, - - dot: function() { - var point = Point.read(arguments); - return this.x * point.x + this.y * point.y; - }, - - cross: function() { - var point = Point.read(arguments); - return this.x * point.y - this.y * point.x; - }, - - project: function() { - var point = Point.read(arguments); - if (point.isZero()) { - return new Point(0, 0); - } else { - var scale = this.dot(point) / point.dot(point); - return new Point( - point.x * scale, - point.y * scale - ); - } - }, - - statics: { - min: function() { - var point1 = Point.read(arguments); - point2 = Point.read(arguments); - return new Point( - Math.min(point1.x, point2.x), - Math.min(point1.y, point2.y) - ); - }, - - max: function() { - var point1 = Point.read(arguments); - point2 = Point.read(arguments); - return new Point( - Math.max(point1.x, point2.x), - Math.max(point1.y, point2.y) - ); - }, - - random: function() { - return new Point(Math.random(), Math.random()); - } - } -}, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) { - var op = Math[name]; - this[name] = function() { - return new Point(op(this.x), op(this.y)); - }; -}, {})); - -var LinkedPoint = Point.extend({ - initialize: function Point(x, y, owner, setter) { - this._x = x; - this._y = y; - this._owner = owner; - this._setter = setter; - }, - - set: function(x, y, _dontNotify) { - this._x = x; - this._y = y; - if (!_dontNotify) - this._owner[this._setter](this); - return this; - }, - - getX: function() { - return this._x; - }, - - setX: function(x) { - this._x = x; - this._owner[this._setter](this); - }, - - getY: function() { - return this._y; - }, - - setY: function(y) { - this._y = y; - this._owner[this._setter](this); - } -}); - -var Size = Base.extend({ - _class: 'Size', - _readIndex: true, - - initialize: function Size(arg0, arg1) { - var type = typeof arg0; - if (type === 'number') { - var hasHeight = typeof arg1 === 'number'; - this.width = arg0; - this.height = hasHeight ? arg1 : arg0; - if (this.__read) - this.__read = hasHeight ? 2 : 1; - } else if (type === 'undefined' || arg0 === null) { - this.width = this.height = 0; - if (this.__read) - this.__read = arg0 === null ? 1 : 0; - } else { - if (Array.isArray(arg0)) { - this.width = arg0[0]; - this.height = arg0.length > 1 ? arg0[1] : arg0[0]; - } else if (arg0.width != null) { - this.width = arg0.width; - this.height = arg0.height; - } else if (arg0.x != null) { - this.width = arg0.x; - this.height = arg0.y; - } else { - this.width = this.height = 0; - if (this.__read) - this.__read = 0; - } - if (this.__read) - this.__read = 1; - } - }, - - set: function(width, height) { - this.width = width; - this.height = height; - return this; - }, - - equals: function(size) { - return size === this || size && (this.width === size.width - && this.height === size.height - || Array.isArray(size) && this.width === size[0] - && this.height === size[1]) || false; - }, - - clone: function() { - return new Size(this.width, this.height); - }, - - toString: function() { - var f = Formatter.instance; - return '{ width: ' + f.number(this.width) - + ', height: ' + f.number(this.height) + ' }'; - }, - - _serialize: function(options) { - var f = options.formatter; - return [f.number(this.width), - f.number(this.height)]; - }, - - add: function() { - var size = Size.read(arguments); - return new Size(this.width + size.width, this.height + size.height); - }, - - subtract: function() { - var size = Size.read(arguments); - return new Size(this.width - size.width, this.height - size.height); - }, - - multiply: function() { - var size = Size.read(arguments); - return new Size(this.width * size.width, this.height * size.height); - }, - - divide: function() { - var size = Size.read(arguments); - return new Size(this.width / size.width, this.height / size.height); - }, - - modulo: function() { - var size = Size.read(arguments); - return new Size(this.width % size.width, this.height % size.height); - }, - - negate: function() { - return new Size(-this.width, -this.height); - }, - - isZero: function() { - return Numerical.isZero(this.width) && Numerical.isZero(this.height); - }, - - isNaN: function() { - return isNaN(this.width) || isNaN(this.height); - }, - - statics: { - min: function(size1, size2) { - return new Size( - Math.min(size1.width, size2.width), - Math.min(size1.height, size2.height)); - }, - - max: function(size1, size2) { - return new Size( - Math.max(size1.width, size2.width), - Math.max(size1.height, size2.height)); - }, - - random: function() { - return new Size(Math.random(), Math.random()); - } - } -}, Base.each(['round', 'ceil', 'floor', 'abs'], function(name) { - var op = Math[name]; - this[name] = function() { - return new Size(op(this.width), op(this.height)); - }; -}, {})); - -var LinkedSize = Size.extend({ - initialize: function Size(width, height, owner, setter) { - this._width = width; - this._height = height; - this._owner = owner; - this._setter = setter; - }, - - set: function(width, height, _dontNotify) { - this._width = width; - this._height = height; - if (!_dontNotify) - this._owner[this._setter](this); - return this; - }, - - getWidth: function() { - return this._width; - }, - - setWidth: function(width) { - this._width = width; - this._owner[this._setter](this); - }, - - getHeight: function() { - return this._height; - }, - - setHeight: function(height) { - this._height = height; - this._owner[this._setter](this); - } -}); - -var Rectangle = Base.extend({ - _class: 'Rectangle', - _readIndex: true, - - initialize: function Rectangle(arg0, arg1, arg2, arg3) { - var type = typeof arg0, - read = 0; - if (type === 'number') { - this.x = arg0; - this.y = arg1; - this.width = arg2; - this.height = arg3; - read = 4; - } else if (type === 'undefined' || arg0 === null) { - this.x = this.y = this.width = this.height = 0; - read = arg0 === null ? 1 : 0; - } else if (arguments.length === 1) { - if (Array.isArray(arg0)) { - this.x = arg0[0]; - this.y = arg0[1]; - this.width = arg0[2]; - this.height = arg0[3]; - read = 1; - } else if (arg0.x !== undefined || arg0.width !== undefined) { - this.x = arg0.x || 0; - this.y = arg0.y || 0; - this.width = arg0.width || 0; - this.height = arg0.height || 0; - read = 1; - } else if (arg0.from === undefined && arg0.to === undefined) { - this.x = this.y = this.width = this.height = 0; - this._set(arg0); - read = 1; - } - } - if (!read) { - var point = Point.readNamed(arguments, 'from'), - next = Base.peek(arguments); - this.x = point.x; - this.y = point.y; - if (next && next.x !== undefined || Base.hasNamed(arguments, 'to')) { - var to = Point.readNamed(arguments, 'to'); - this.width = to.x - point.x; - this.height = to.y - point.y; - if (this.width < 0) { - this.x = to.x; - this.width = -this.width; - } - if (this.height < 0) { - this.y = to.y; - this.height = -this.height; - } - } else { - var size = Size.read(arguments); - this.width = size.width; - this.height = size.height; - } - read = arguments.__index; - } - if (this.__read) - this.__read = read; - }, - - set: function(x, y, width, height) { - this.x = x; - this.y = y; - this.width = width; - this.height = height; - return this; - }, - - clone: function() { - return new Rectangle(this.x, this.y, this.width, this.height); - }, - - equals: function(rect) { - var rt = Base.isPlainValue(rect) - ? Rectangle.read(arguments) - : rect; - return rt === this - || rt && this.x === rt.x && this.y === rt.y - && this.width === rt.width && this.height === rt.height - || false; - }, - - toString: function() { - var f = Formatter.instance; - return '{ x: ' + f.number(this.x) - + ', y: ' + f.number(this.y) - + ', width: ' + f.number(this.width) - + ', height: ' + f.number(this.height) - + ' }'; - }, - - _serialize: function(options) { - var f = options.formatter; - return [f.number(this.x), - f.number(this.y), - f.number(this.width), - f.number(this.height)]; - }, - - getPoint: function(_dontLink) { - var ctor = _dontLink ? Point : LinkedPoint; - return new ctor(this.x, this.y, this, 'setPoint'); - }, - - setPoint: function() { - var point = Point.read(arguments); - this.x = point.x; - this.y = point.y; - }, - - getSize: function(_dontLink) { - var ctor = _dontLink ? Size : LinkedSize; - return new ctor(this.width, this.height, this, 'setSize'); - }, - - setSize: function() { - var size = Size.read(arguments); - if (this._fixX) - this.x += (this.width - size.width) * this._fixX; - if (this._fixY) - this.y += (this.height - size.height) * this._fixY; - this.width = size.width; - this.height = size.height; - this._fixW = 1; - this._fixH = 1; - }, - - getLeft: function() { - return this.x; - }, - - setLeft: function(left) { - if (!this._fixW) - this.width -= left - this.x; - this.x = left; - this._fixX = 0; - }, - - getTop: function() { - return this.y; - }, - - setTop: function(top) { - if (!this._fixH) - this.height -= top - this.y; - this.y = top; - this._fixY = 0; - }, - - getRight: function() { - return this.x + this.width; - }, - - setRight: function(right) { - if (this._fixX !== undefined && this._fixX !== 1) - this._fixW = 0; - if (this._fixW) - this.x = right - this.width; - else - this.width = right - this.x; - this._fixX = 1; - }, - - getBottom: function() { - return this.y + this.height; - }, - - setBottom: function(bottom) { - if (this._fixY !== undefined && this._fixY !== 1) - this._fixH = 0; - if (this._fixH) - this.y = bottom - this.height; - else - this.height = bottom - this.y; - this._fixY = 1; - }, - - getCenterX: function() { - return this.x + this.width * 0.5; - }, - - setCenterX: function(x) { - this.x = x - this.width * 0.5; - this._fixX = 0.5; - }, - - getCenterY: function() { - return this.y + this.height * 0.5; - }, - - setCenterY: function(y) { - this.y = y - this.height * 0.5; - this._fixY = 0.5; - }, - - getCenter: function(_dontLink) { - var ctor = _dontLink ? Point : LinkedPoint; - return new ctor(this.getCenterX(), this.getCenterY(), this, 'setCenter'); - }, - - setCenter: function() { - var point = Point.read(arguments); - this.setCenterX(point.x); - this.setCenterY(point.y); - return this; - }, - - getArea: function() { - return this.width * this.height; - }, - - isEmpty: function() { - return this.width === 0 || this.height === 0; - }, - - contains: function(arg) { - return arg && arg.width !== undefined - || (Array.isArray(arg) ? arg : arguments).length == 4 - ? this._containsRectangle(Rectangle.read(arguments)) - : this._containsPoint(Point.read(arguments)); - }, - - _containsPoint: function(point) { - var x = point.x, - y = point.y; - return x >= this.x && y >= this.y - && x <= this.x + this.width - && y <= this.y + this.height; - }, - - _containsRectangle: function(rect) { - var x = rect.x, - y = rect.y; - return x >= this.x && y >= this.y - && x + rect.width <= this.x + this.width - && y + rect.height <= this.y + this.height; - }, - - intersects: function() { - var rect = Rectangle.read(arguments); - return rect.x + rect.width > this.x - && rect.y + rect.height > this.y - && rect.x < this.x + this.width - && rect.y < this.y + this.height; - }, - - touches: function() { - var rect = Rectangle.read(arguments); - return rect.x + rect.width >= this.x - && rect.y + rect.height >= this.y - && rect.x <= this.x + this.width - && rect.y <= this.y + this.height; - }, - - intersect: function() { - var rect = Rectangle.read(arguments), - x1 = Math.max(this.x, rect.x), - y1 = Math.max(this.y, rect.y), - x2 = Math.min(this.x + this.width, rect.x + rect.width), - y2 = Math.min(this.y + this.height, rect.y + rect.height); - return new Rectangle(x1, y1, x2 - x1, y2 - y1); - }, - - unite: function() { - var rect = Rectangle.read(arguments), - x1 = Math.min(this.x, rect.x), - y1 = Math.min(this.y, rect.y), - x2 = Math.max(this.x + this.width, rect.x + rect.width), - y2 = Math.max(this.y + this.height, rect.y + rect.height); - return new Rectangle(x1, y1, x2 - x1, y2 - y1); - }, - - include: function() { - var point = Point.read(arguments); - var x1 = Math.min(this.x, point.x), - y1 = Math.min(this.y, point.y), - x2 = Math.max(this.x + this.width, point.x), - y2 = Math.max(this.y + this.height, point.y); - return new Rectangle(x1, y1, x2 - x1, y2 - y1); - }, - - expand: function() { - var amount = Size.read(arguments), - hor = amount.width, - ver = amount.height; - return new Rectangle(this.x - hor / 2, this.y - ver / 2, - this.width + hor, this.height + ver); - }, - - scale: function(hor, ver) { - return this.expand(this.width * hor - this.width, - this.height * (ver === undefined ? hor : ver) - this.height); - } -}, new function() { - return Base.each([ - ['Top', 'Left'], ['Top', 'Right'], - ['Bottom', 'Left'], ['Bottom', 'Right'], - ['Left', 'Center'], ['Top', 'Center'], - ['Right', 'Center'], ['Bottom', 'Center'] - ], - function(parts, index) { - var part = parts.join(''); - var xFirst = /^[RL]/.test(part); - if (index >= 4) - parts[1] += xFirst ? 'Y' : 'X'; - var x = parts[xFirst ? 0 : 1], - y = parts[xFirst ? 1 : 0], - getX = 'get' + x, - getY = 'get' + y, - setX = 'set' + x, - setY = 'set' + y, - get = 'get' + part, - set = 'set' + part; - this[get] = function(_dontLink) { - var ctor = _dontLink ? Point : LinkedPoint; - return new ctor(this[getX](), this[getY](), this, set); - }; - this[set] = function() { - var point = Point.read(arguments); - this[setX](point.x); - this[setY](point.y); - }; - }, {}); -}); - -var LinkedRectangle = Rectangle.extend({ - initialize: function Rectangle(x, y, width, height, owner, setter) { - this.set(x, y, width, height, true); - this._owner = owner; - this._setter = setter; - }, - - set: function(x, y, width, height, _dontNotify) { - this._x = x; - this._y = y; - this._width = width; - this._height = height; - if (!_dontNotify) - this._owner[this._setter](this); - return this; - } -}, new function() { - var proto = Rectangle.prototype; - - return Base.each(['x', 'y', 'width', 'height'], function(key) { - var part = Base.capitalize(key); - var internal = '_' + key; - this['get' + part] = function() { - return this[internal]; - }; - - this['set' + part] = function(value) { - this[internal] = value; - if (!this._dontNotify) - this._owner[this._setter](this); - }; - }, Base.each(['Point', 'Size', 'Center', - 'Left', 'Top', 'Right', 'Bottom', 'CenterX', 'CenterY', - 'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight', - 'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter'], - function(key) { - var name = 'set' + key; - this[name] = function() { - this._dontNotify = true; - proto[name].apply(this, arguments); - this._dontNotify = false; - this._owner[this._setter](this); - }; - }, { - isSelected: function() { - return this._owner._boundsSelected; - }, - - setSelected: function(selected) { - var owner = this._owner; - if (owner.setSelected) { - owner._boundsSelected = selected; - owner.setSelected(selected || owner._selectedSegmentState > 0); - } - } - }) - ); -}); - -var Matrix = Base.extend({ - _class: 'Matrix', - - initialize: function Matrix(arg) { - var count = arguments.length, - ok = true; - if (count === 6) { - this.set.apply(this, arguments); - } else if (count === 1) { - if (arg instanceof Matrix) { - this.set(arg._a, arg._c, arg._b, arg._d, arg._tx, arg._ty); - } else if (Array.isArray(arg)) { - this.set.apply(this, arg); - } else { - ok = false; - } - } else if (count === 0) { - this.reset(); - } else { - ok = false; - } - if (!ok) - throw new Error('Unsupported matrix parameters'); - }, - - set: function(a, c, b, d, tx, ty, _dontNotify) { - this._a = a; - this._c = c; - this._b = b; - this._d = d; - this._tx = tx; - this._ty = ty; - if (!_dontNotify) - this._changed(); - return this; - }, - - _serialize: function(options) { - return Base.serialize(this.getValues(), options); - }, - - _changed: function() { - var owner = this._owner; - if (owner) { - if (owner._applyMatrix) { - owner.transform(null, true); - } else { - owner._changed(9); - } - } - }, - - clone: function() { - return new Matrix(this._a, this._c, this._b, this._d, - this._tx, this._ty); - }, - - equals: function(mx) { - return mx === this || mx && this._a === mx._a && this._b === mx._b - && this._c === mx._c && this._d === mx._d - && this._tx === mx._tx && this._ty === mx._ty - || false; - }, - - toString: function() { - var f = Formatter.instance; - return '[[' + [f.number(this._a), f.number(this._b), - f.number(this._tx)].join(', ') + '], [' - + [f.number(this._c), f.number(this._d), - f.number(this._ty)].join(', ') + ']]'; - }, - - reset: function(_dontNotify) { - this._a = this._d = 1; - this._c = this._b = this._tx = this._ty = 0; - if (!_dontNotify) - this._changed(); - return this; - }, - - apply: function() { - var owner = this._owner; - if (owner) { - owner.transform(null, true); - return this.isIdentity(); - } - return false; - }, - - translate: function() { - var point = Point.read(arguments), - x = point.x, - y = point.y; - this._tx += x * this._a + y * this._b; - this._ty += x * this._c + y * this._d; - this._changed(); - return this; - }, - - scale: function() { - var scale = Point.read(arguments), - center = Point.read(arguments, 0, { readNull: true }); - if (center) - this.translate(center); - this._a *= scale.x; - this._c *= scale.x; - this._b *= scale.y; - this._d *= scale.y; - if (center) - this.translate(center.negate()); - this._changed(); - return this; - }, - - rotate: function(angle ) { - angle *= Math.PI / 180; - var center = Point.read(arguments, 1), - x = center.x, - y = center.y, - cos = Math.cos(angle), - sin = Math.sin(angle), - tx = x - x * cos + y * sin, - ty = y - x * sin - y * cos, - a = this._a, - b = this._b, - c = this._c, - d = this._d; - this._a = cos * a + sin * b; - this._b = -sin * a + cos * b; - this._c = cos * c + sin * d; - this._d = -sin * c + cos * d; - this._tx += tx * a + ty * b; - this._ty += tx * c + ty * d; - this._changed(); - return this; - }, - - shear: function() { - var shear = Point.read(arguments), - center = Point.read(arguments, 0, { readNull: true }); - if (center) - this.translate(center); - var a = this._a, - c = this._c; - this._a += shear.y * this._b; - this._c += shear.y * this._d; - this._b += shear.x * a; - this._d += shear.x * c; - if (center) - this.translate(center.negate()); - this._changed(); - return this; - }, - - skew: function() { - var skew = Point.read(arguments), - center = Point.read(arguments, 0, { readNull: true }), - toRadians = Math.PI / 180, - shear = new Point(Math.tan(skew.x * toRadians), - Math.tan(skew.y * toRadians)); - return this.shear(shear, center); - }, - - concatenate: function(mx) { - var a = this._a, - b = this._b, - c = this._c, - d = this._d; - this._a = mx._a * a + mx._c * b; - this._b = mx._b * a + mx._d * b; - this._c = mx._a * c + mx._c * d; - this._d = mx._b * c + mx._d * d; - this._tx += mx._tx * a + mx._ty * b; - this._ty += mx._tx * c + mx._ty * d; - this._changed(); - return this; - }, - - preConcatenate: function(mx) { - var a = this._a, - b = this._b, - c = this._c, - d = this._d, - tx = this._tx, - ty = this._ty; - this._a = mx._a * a + mx._b * c; - this._b = mx._a * b + mx._b * d; - this._c = mx._c * a + mx._d * c; - this._d = mx._c * b + mx._d * d; - this._tx = mx._a * tx + mx._b * ty + mx._tx; - this._ty = mx._c * tx + mx._d * ty + mx._ty; - this._changed(); - return this; - }, - - isIdentity: function() { - return this._a === 1 && this._c === 0 && this._b === 0 && this._d === 1 - && this._tx === 0 && this._ty === 0; - }, - - orNullIfIdentity: function() { - return this.isIdentity() ? null : this; - }, - - isInvertible: function() { - return !!this._getDeterminant(); - }, - - isSingular: function() { - return !this._getDeterminant(); - }, - - transform: function( src, srcOffset, dst, dstOffset, count) { - return arguments.length < 5 - ? this._transformPoint(Point.read(arguments)) - : this._transformCoordinates(src, srcOffset, dst, dstOffset, count); - }, - - _transformPoint: function(point, dest, _dontNotify) { - var x = point.x, - y = point.y; - if (!dest) - dest = new Point(); - return dest.set( - x * this._a + y * this._b + this._tx, - x * this._c + y * this._d + this._ty, - _dontNotify - ); - }, - - _transformCoordinates: function(src, srcOffset, dst, dstOffset, count) { - var i = srcOffset, - j = dstOffset, - max = i + 2 * count; - while (i < max) { - var x = src[i++], - y = src[i++]; - dst[j++] = x * this._a + y * this._b + this._tx; - dst[j++] = x * this._c + y * this._d + this._ty; - } - return dst; - }, - - _transformCorners: function(rect) { - var x1 = rect.x, - y1 = rect.y, - x2 = x1 + rect.width, - y2 = y1 + rect.height, - coords = [ x1, y1, x2, y1, x2, y2, x1, y2 ]; - return this._transformCoordinates(coords, 0, coords, 0, 4); - }, - - _transformBounds: function(bounds, dest, _dontNotify) { - var coords = this._transformCorners(bounds), - min = coords.slice(0, 2), - max = coords.slice(); - for (var i = 2; i < 8; i++) { - var val = coords[i], - j = i & 1; - if (val < min[j]) - min[j] = val; - else if (val > max[j]) - max[j] = val; - } - if (!dest) - dest = new Rectangle(); - return dest.set(min[0], min[1], max[0] - min[0], max[1] - min[1], - _dontNotify); - }, - - inverseTransform: function() { - return this._inverseTransform(Point.read(arguments)); - }, - - _getDeterminant: function() { - var det = this._a * this._d - this._b * this._c; - return isFinite(det) && !Numerical.isZero(det) - && isFinite(this._tx) && isFinite(this._ty) - ? det : null; - }, - - _inverseTransform: function(point, dest, _dontNotify) { - var det = this._getDeterminant(); - if (!det) - return null; - var x = point.x - this._tx, - y = point.y - this._ty; - if (!dest) - dest = new Point(); - return dest.set( - (x * this._d - y * this._b) / det, - (y * this._a - x * this._c) / det, - _dontNotify - ); - }, - - decompose: function() { - var a = this._a, b = this._b, c = this._c, d = this._d; - if (Numerical.isZero(a * d - b * c)) - return null; - - var scaleX = Math.sqrt(a * a + b * b); - a /= scaleX; - b /= scaleX; - - var shear = a * c + b * d; - c -= a * shear; - d -= b * shear; - - var scaleY = Math.sqrt(c * c + d * d); - c /= scaleY; - d /= scaleY; - shear /= scaleY; - - if (a * d < b * c) { - a = -a; - b = -b; - shear = -shear; - scaleX = -scaleX; - } - - return { - scaling: new Point(scaleX, scaleY), - rotation: -Math.atan2(b, a) * 180 / Math.PI, - shearing: shear - }; - }, - - getValues: function() { - return [ this._a, this._c, this._b, this._d, this._tx, this._ty ]; - }, - - getTranslation: function() { - return new Point(this._tx, this._ty); - }, - - getScaling: function() { - return (this.decompose() || {}).scaling; - }, - - getRotation: function() { - return (this.decompose() || {}).rotation; - }, - - inverted: function() { - var det = this._getDeterminant(); - return det && new Matrix( - this._d / det, - -this._c / det, - -this._b / det, - this._a / det, - (this._b * this._ty - this._d * this._tx) / det, - (this._c * this._tx - this._a * this._ty) / det); - }, - - shiftless: function() { - return new Matrix(this._a, this._c, this._b, this._d, 0, 0); - }, - - applyToContext: function(ctx) { - ctx.transform(this._a, this._c, this._b, this._d, this._tx, this._ty); - } -}, new function() { - return Base.each(['a', 'c', 'b', 'd', 'tx', 'ty'], function(name) { - var part = Base.capitalize(name), - prop = '_' + name; - this['get' + part] = function() { - return this[prop]; - }; - this['set' + part] = function(value) { - this[prop] = value; - this._changed(); - }; - }, {}); -}); - -var Line = Base.extend({ - _class: 'Line', - - initialize: function Line(arg0, arg1, arg2, arg3, arg4) { - var asVector = false; - if (arguments.length >= 4) { - this._px = arg0; - this._py = arg1; - this._vx = arg2; - this._vy = arg3; - asVector = arg4; - } else { - this._px = arg0.x; - this._py = arg0.y; - this._vx = arg1.x; - this._vy = arg1.y; - asVector = arg2; - } - if (!asVector) { - this._vx -= this._px; - this._vy -= this._py; - } - }, - - getPoint: function() { - return new Point(this._px, this._py); - }, - - getVector: function() { - return new Point(this._vx, this._vy); - }, - - getLength: function() { - return this.getVector().getLength(); - }, - - intersect: function(line, isInfinite) { - return Line.intersect( - this._px, this._py, this._vx, this._vy, - line._px, line._py, line._vx, line._vy, - true, isInfinite); - }, - - getSide: function(point) { - return Line.getSide( - this._px, this._py, this._vx, this._vy, - point.x, point.y, true); - }, - - getDistance: function(point) { - return Math.abs(Line.getSignedDistance( - this._px, this._py, this._vx, this._vy, - point.x, point.y, true)); - }, - - statics: { - intersect: function(apx, apy, avx, avy, bpx, bpy, bvx, bvy, asVector, - isInfinite) { - if (!asVector) { - avx -= apx; - avy -= apy; - bvx -= bpx; - bvy -= bpy; - } - var cross = bvy * avx - bvx * avy; - if (!Numerical.isZero(cross)) { - var dx = apx - bpx, - dy = apy - bpy, - ta = (bvx * dy - bvy * dx) / cross, - tb = (avx * dy - avy * dx) / cross; - if ((isInfinite || 0 <= ta && ta <= 1) - && (isInfinite || 0 <= tb && tb <= 1)) - return new Point( - apx + ta * avx, - apy + ta * avy); - } - }, - - getSide: function(px, py, vx, vy, x, y, asVector) { - if (!asVector) { - vx -= px; - vy -= py; - } - var v2x = x - px, - v2y = y - py, - ccw = v2x * vy - v2y * vx; - if (ccw === 0) { - ccw = v2x * vx + v2y * vy; - if (ccw > 0) { - v2x -= vx; - v2y -= vy; - ccw = v2x * vx + v2y * vy; - if (ccw < 0) - ccw = 0; - } - } - return ccw < 0 ? -1 : ccw > 0 ? 1 : 0; - }, - - getSignedDistance: function(px, py, vx, vy, x, y, asVector) { - if (!asVector) { - vx -= px; - vy -= py; - } - var m = vy / vx, - b = py - m * px; - return (y - (m * x) - b) / Math.sqrt(m * m + 1); - } - } -}); - -var Project = PaperScopeItem.extend({ - _class: 'Project', - _list: 'projects', - _reference: 'project', - - initialize: function Project(element) { - PaperScopeItem.call(this, true); - this.layers = []; - this.symbols = []; - this._currentStyle = new Style(null, null, this); - this.activeLayer = new Layer(); - this._view = View.create(this, - element || CanvasProvider.getCanvas(1, 1)); - this._selectedItems = {}; - this._selectedItemCount = 0; - this._updateVersion = 0; - }, - - _serialize: function(options, dictionary) { - return Base.serialize(this.layers, options, true, dictionary); - }, - - clear: function() { - for (var i = this.layers.length - 1; i >= 0; i--) - this.layers[i].remove(); - this.symbols = []; - }, - - isEmpty: function() { - return this.layers.length <= 1 - && (!this.activeLayer || this.activeLayer.isEmpty()); - }, - - remove: function remove() { - if (!remove.base.call(this)) - return false; - if (this._view) - this._view.remove(); - return true; - }, - - getView: function() { - return this._view; - }, - - getCurrentStyle: function() { - return this._currentStyle; - }, - - setCurrentStyle: function(style) { - this._currentStyle.initialize(style); - }, - - getIndex: function() { - return this._index; - }, - - addChild: function(child) { - if (child instanceof Layer) { - Base.splice(this.layers, [child]); - if (!this.activeLayer) - this.activeLayer = child; - } else if (child instanceof Item) { - (this.activeLayer - || this.addChild(new Layer(Item.NO_INSERT))).addChild(child); - } else { - child = null; - } - return child; - }, - - getSelectedItems: function() { - var items = []; - for (var id in this._selectedItems) { - var item = this._selectedItems[id]; - if (item.isInserted()) - items.push(item); - } - return items; - }, - - getOptions: function() { - return this._scope.settings; - }, - - _updateSelection: function(item) { - var id = item._id, - selectedItems = this._selectedItems; - if (item._selected) { - if (selectedItems[id] !== item) { - this._selectedItemCount++; - selectedItems[id] = item; - } - } else if (selectedItems[id] === item) { - this._selectedItemCount--; - delete selectedItems[id]; - } - }, - - selectAll: function() { - var layers = this.layers; - for (var i = 0, l = layers.length; i < l; i++) - layers[i].setFullySelected(true); - }, - - deselectAll: function() { - var selectedItems = this._selectedItems; - for (var i in selectedItems) - selectedItems[i].setFullySelected(false); - }, - - hitTest: function() { - var point = Point.read(arguments), - options = HitResult.getOptions(Base.read(arguments)); - for (var i = this.layers.length - 1; i >= 0; i--) { - var res = this.layers[i].hitTest(point, options); - if (res) return res; - } - return null; - }, - - getItems: function(match) { - return Item._getItems(this.layers, match, true); - }, - - getItem: function(match) { - return Item._getItems(this.layers, match, false); - }, - - importJSON: function(json) { - this.activate(); - var layer = this.activeLayer; - return Base.importJSON(json, layer && layer.isEmpty() && layer); - }, - - draw: function(ctx, matrix, pixelRatio) { - this._updateVersion++; - ctx.save(); - matrix.applyToContext(ctx); - var param = new Base({ - offset: new Point(0, 0), - pixelRatio: pixelRatio, - trackTransforms: true - }); - for (var i = 0, l = this.layers.length; i < l; i++) - this.layers[i].draw(ctx, param); - ctx.restore(); - - if (this._selectedItemCount > 0) { - ctx.save(); - ctx.strokeWidth = 1; - for (var id in this._selectedItems) { - var item = this._selectedItems[id], - globalMatrix = item._globalMatrix, - size = this._scope.settings.handleSize; - half = size / 2; - if (item._updateVersion === this._updateVersion - && (item._drawSelected || item._boundsSelected) - && globalMatrix) { - var color = item.getSelectedColor() - || item.getLayer().getSelectedColor(); - ctx.strokeStyle = ctx.fillStyle = color - ? color.toCanvasStyle(ctx) : '#009dec'; - var mx = matrix.clone().concatenate(globalMatrix); - if (item._drawSelected) - item._drawSelected(ctx, mx); - if (item._boundsSelected) { - var coords = mx._transformCorners( - item.getInternalBounds()); - ctx.beginPath(); - for (var i = 0; i < 8; i++) - ctx[i === 0 ? 'moveTo' : 'lineTo']( - coords[i], coords[++i]); - ctx.closePath(); - ctx.stroke(); - for (var i = 0; i < 8; i++) - ctx.fillRect(coords[i] - half, coords[++i] - half, - size, size); - } - } - } - ctx.restore(); - } - } -}); - -var Symbol = Base.extend({ - _class: 'Symbol', - - initialize: function Symbol(item, dontCenter) { - this._id = Symbol._id = (Symbol._id || 0) + 1; - this.project = paper.project; - this.project.symbols.push(this); - if (item) - this.setDefinition(item, dontCenter); - }, - - _serialize: function(options, dictionary) { - return dictionary.add(this, function() { - return Base.serialize([this._class, this._definition], - options, false, dictionary); - }); - }, - - _changed: function(flags) { - if (flags & 8) { - Item._clearBoundsCache(this); - } - if (flags & 1) { - this.project._needsUpdate = true; - } - }, - - getDefinition: function() { - return this._definition; - }, - - setDefinition: function(item, _dontCenter) { - if (item._parentSymbol) - item = item.clone(); - if (this._definition) - this._definition._parentSymbol = null; - this._definition = item; - item.remove(); - item.setSelected(false); - if (!_dontCenter) - item.setPosition(new Point()); - item._parentSymbol = this; - this._changed(9); - }, - - place: function(position) { - return new PlacedSymbol(this, position); - }, - - clone: function() { - return new Symbol(this._definition.clone(false)); - } -}); - -var Item = Base.extend(Callback, { - statics: { - extend: function extend(src) { - if (src._serializeFields) - src._serializeFields = new Base( - this.prototype._serializeFields, src._serializeFields); - return extend.base.apply(this, arguments); - }, - - NO_INSERT: { insert: false } - }, - - _class: 'Item', - _applyMatrix: true, - _canApplyMatrix: true, - _boundsSelected: false, - _selectChildren: false, - _serializeFields: { - name: null, - matrix: new Matrix(), - pivot: null, - locked: false, - visible: true, - blendMode: 'normal', - opacity: 1, - guide: false, - selected: false, - clipMask: false, - applyMatrix: null, - data: {} - }, - - initialize: function Item() { - }, - - _initialize: function(props, point) { - var internal = props && props.internal === true, - matrix = this._matrix = new Matrix(); - project = paper.project; - if (!internal) - this._id = Item._id = (Item._id || 0) + 1; - this._applyMatrix = this._canApplyMatrix && paper.settings.applyMatrix; - if (point) - matrix.translate(point); - matrix._owner = this; - this._style = new Style(project._currentStyle, this, project); - if (!this._project) { - if (internal || props && props.insert === false) { - this._setProject(project); - } else { - (project.activeLayer || new Layer()).addChild(this); - } - } - return props && props !== Item.NO_INSERT - ? this._set(props, { insert: true }) - : true; - }, - - _events: new function() { - - var mouseFlags = { - mousedown: { - mousedown: 1, - mousedrag: 1, - click: 1, - doubleclick: 1 - }, - mouseup: { - mouseup: 1, - mousedrag: 1, - click: 1, - doubleclick: 1 - }, - mousemove: { - mousedrag: 1, - mousemove: 1, - mouseenter: 1, - mouseleave: 1 - } - }; - - var mouseEvent = { - install: function(type) { - var counters = this.getView()._eventCounters; - if (counters) { - for (var key in mouseFlags) { - counters[key] = (counters[key] || 0) - + (mouseFlags[key][type] || 0); - } - } - }, - uninstall: function(type) { - var counters = this.getView()._eventCounters; - if (counters) { - for (var key in mouseFlags) - counters[key] -= mouseFlags[key][type] || 0; - } - } - }; - - return Base.each(['onMouseDown', 'onMouseUp', 'onMouseDrag', 'onClick', - 'onDoubleClick', 'onMouseMove', 'onMouseEnter', 'onMouseLeave'], - function(name) { - this[name] = mouseEvent; - }, { - onFrame: { - install: function() { - this._animateItem(true); - }, - uninstall: function() { - this._animateItem(false); - } - }, - - onLoad: {} - } - ); - }, - - _animateItem: function(animate) { - this.getView()._animateItem(this, animate); - }, - - _serialize: function(options, dictionary) { - var props = {}, - that = this; - - function serialize(fields) { - for (var key in fields) { - var value = that[key]; - if (!Base.equals(value, key === 'leading' - ? fields.fontSize * 1.2 : fields[key])) { - props[key] = Base.serialize(value, options, - key !== 'data', dictionary); - } - } - } - - serialize(this._serializeFields); - if (!(this instanceof Group)) - serialize(this._style._defaults); - return [ this._class, props ]; - }, - - _changed: function(flags) { - var symbol = this._parentSymbol, - cacheParent = this._parent || symbol, - project = this._project; - if (flags & 8) { - this._bounds = this._position = this._decomposed = - this._globalMatrix = this._currentPath = undefined; - } - if (cacheParent && (flags - & (8 | 32))) { - Item._clearBoundsCache(cacheParent); - } - if (flags & 2) { - Item._clearBoundsCache(this); - } - if (project) { - if (flags & 1) { - project._needsUpdate = true; - } - if (project._changes) { - var entry = project._changesById[this._id]; - if (entry) { - entry.flags |= flags; - } else { - entry = { item: this, flags: flags }; - project._changesById[this._id] = entry; - project._changes.push(entry); - } - } - } - if (symbol) - symbol._changed(flags); - }, - - set: function(props) { - if (props) - this._set(props, { insert: true }); - return this; - }, - - getId: function() { - return this._id; - }, - - getClassName: function() { - return this._class; - }, - - getName: function() { - return this._name; - }, - - setName: function(name, unique) { - - if (this._name) - this._removeNamed(); - if (name === (+name) + '') - throw new Error( - 'Names consisting only of numbers are not supported.'); - if (name && this._parent) { - var children = this._parent._children, - namedChildren = this._parent._namedChildren, - orig = name, - i = 1; - while (unique && children[name]) - name = orig + ' ' + (i++); - (namedChildren[name] = namedChildren[name] || []).push(this); - children[name] = this; - } - this._name = name || undefined; - this._changed(128); - }, - - getStyle: function() { - return this._style; - }, - - setStyle: function(style) { - this.getStyle().set(style); - }, - - hasFill: function() { - return this.getStyle().hasFill(); - }, - - hasStroke: function() { - return this.getStyle().hasStroke(); - }, - - hasShadow: function() { - return this.getStyle().hasShadow(); - } -}, Base.each(['locked', 'visible', 'blendMode', 'opacity', 'guide'], - function(name) { - var part = Base.capitalize(name), - name = '_' + name; - this['get' + part] = function() { - return this[name]; - }; - this['set' + part] = function(value) { - if (value != this[name]) { - this[name] = value; - this._changed(name === '_locked' - ? 128 : 129); - } - }; -}, {}), { - - _locked: false, - - _visible: true, - - _blendMode: 'normal', - - _opacity: 1, - - _guide: false, - - isSelected: function() { - if (this._selectChildren) { - for (var i = 0, l = this._children.length; i < l; i++) - if (this._children[i].isSelected()) - return true; - } - return this._selected; - }, - - setSelected: function(selected, noChildren) { - if (!noChildren && this._selectChildren) { - for (var i = 0, l = this._children.length; i < l; i++) - this._children[i].setSelected(selected); - } - if ((selected = !!selected) ^ this._selected) { - this._selected = selected; - this._project._updateSelection(this); - this._changed(129); - } - }, - - _selected: false, - - isFullySelected: function() { - if (this._children && this._selected) { - for (var i = 0, l = this._children.length; i < l; i++) - if (!this._children[i].isFullySelected()) - return false; - return true; - } - return this._selected; - }, - - setFullySelected: function(selected) { - if (this._children) { - for (var i = 0, l = this._children.length; i < l; i++) - this._children[i].setFullySelected(selected); - } - this.setSelected(selected, true); - }, - - isClipMask: function() { - return this._clipMask; - }, - - setClipMask: function(clipMask) { - if (this._clipMask != (clipMask = !!clipMask)) { - this._clipMask = clipMask; - if (clipMask) { - this.setFillColor(null); - this.setStrokeColor(null); - } - this._changed(129); - if (this._parent) - this._parent._changed(1024); - } - }, - - _clipMask: false, - - getData: function() { - if (!this._data) - this._data = {}; - return this._data; - }, - - setData: function(data) { - this._data = data; - }, - - getPosition: function(_dontLink) { - var position = this._position, - ctor = _dontLink ? Point : LinkedPoint; - if (!position) { - var pivot = this._pivot; - position = this._position = pivot - ? this._matrix._transformPoint(pivot) - : this.getBounds().getCenter(true); - } - return new ctor(position.x, position.y, this, 'setPosition'); - }, - - setPosition: function() { - this.translate(Point.read(arguments).subtract(this.getPosition(true))); - }, - - getPivot: function(_dontLink) { - var pivot = this._pivot; - if (pivot) { - var ctor = _dontLink ? Point : LinkedPoint; - pivot = new ctor(pivot.x, pivot.y, this, 'setAnchor'); - } - return pivot; - }, - - setPivot: function() { - this._pivot = Point.read(arguments); - this._position = undefined; - }, - - _pivot: null, - - getRegistration: '#getPivot', - setRegistration: '#setPivot' -}, Base.each(['bounds', 'strokeBounds', 'handleBounds', 'roughBounds', - 'internalBounds', 'internalRoughBounds'], - function(key) { - var getter = 'get' + Base.capitalize(key), - match = key.match(/^internal(.*)$/), - internalGetter = match ? 'get' + match[1] : null; - this[getter] = function(_matrix) { - var boundsGetter = this._boundsGetter, - name = !internalGetter && (typeof boundsGetter === 'string' - ? boundsGetter : boundsGetter && boundsGetter[getter]) - || getter, - bounds = this._getCachedBounds(name, _matrix, null, - internalGetter); - return key === 'bounds' - ? new LinkedRectangle(bounds.x, bounds.y, bounds.width, - bounds.height, this, 'setBounds') - : bounds; - }; - this[key] = { - get: this[getter] - }; - }, -{ - _getBounds: function(getter, matrix, cacheItem) { - var children = this._children; - if (!children || children.length == 0) - return new Rectangle(); - var x1 = Infinity, - x2 = -x1, - y1 = x1, - y2 = x2; - for (var i = 0, l = children.length; i < l; i++) { - var child = children[i]; - if (child._visible && !child.isEmpty()) { - var rect = child._getCachedBounds(getter, matrix, cacheItem); - x1 = Math.min(rect.x, x1); - y1 = Math.min(rect.y, y1); - x2 = Math.max(rect.x + rect.width, x2); - y2 = Math.max(rect.y + rect.height, y2); - } - } - return isFinite(x1) - ? new Rectangle(x1, y1, x2 - x1, y2 - y1) - : new Rectangle(); - }, - - setBounds: function() { - var rect = Rectangle.read(arguments), - bounds = this.getBounds(), - matrix = new Matrix(), - center = rect.getCenter(); - matrix.translate(center); - if (rect.width != bounds.width || rect.height != bounds.height) { - matrix.scale( - bounds.width != 0 ? rect.width / bounds.width : 1, - bounds.height != 0 ? rect.height / bounds.height : 1); - } - center = bounds.getCenter(); - matrix.translate(-center.x, -center.y); - this.transform(matrix); - }, - - _getCachedBounds: function(getter, matrix, cacheItem, internalGetter) { - matrix = matrix && matrix.orNullIfIdentity(); - var _matrix = internalGetter ? null : this._matrix.orNullIfIdentity(), - cache = (!matrix || matrix.equals(_matrix)) && getter; - var cacheParent = this._parent || this._parentSymbol; - if (cacheItem && cacheParent) { - var id = cacheItem._id, - ref = cacheParent._boundsCache = cacheParent._boundsCache || { - ids: {}, - list: [] - }; - if (!ref.ids[id]) { - ref.list.push(cacheItem); - ref.ids[id] = cacheItem; - } - } - if (cache && this._bounds && this._bounds[cache]) - return this._bounds[cache].clone(); - matrix = !matrix - ? _matrix - : _matrix - ? matrix.clone().concatenate(_matrix) - : matrix; - var bounds = this._getBounds(internalGetter || getter, matrix, - cache ? this : cacheItem); - if (cache) { - if (!this._bounds) - this._bounds = {}; - var cached = this._bounds[cache] = bounds.clone(); - cached._internal = !!internalGetter; - } - return bounds; - }, - - statics: { - _clearBoundsCache: function(item) { - if (item._boundsCache) { - for (var i = 0, list = item._boundsCache.list, l = list.length; - i < l; i++) { - var child = list[i]; - child._bounds = child._position = undefined; - if (child !== item && child._boundsCache) - Item._clearBoundsCache(child); - } - item._boundsCache = undefined; - } - } - } - -}), { - _decompose: function() { - return this._decomposed = this._matrix.decompose(); - }, - - getRotation: function() { - var decomposed = this._decomposed || this._decompose(); - return decomposed && decomposed.rotation; - }, - - setRotation: function(rotation) { - var current = this.getRotation(); - if (current != null && rotation != null) { - var decomposed = this._decomposed; - this.rotate(rotation - current); - decomposed.rotation = rotation; - this._decomposed = decomposed; - } - }, - - getScaling: function() { - var decomposed = this._decomposed || this._decompose(); - return decomposed && decomposed.scaling; - }, - - setScaling: function() { - var current = this.getScaling(); - if (current != null) { - var scaling = Point.read(arguments, 0, { clone: true }), - decomposed = this._decomposed; - this.scale(scaling.x / current.x, scaling.y / current.y); - decomposed.scaling = scaling; - this._decomposed = decomposed; - } - }, - - getMatrix: function() { - return this._matrix; - }, - - setMatrix: function(matrix) { - this._matrix.initialize(matrix); - if (this._applyMatrix) { - this.transform(null, true); - } else { - this._changed(9); - } - }, - - getGlobalMatrix: function() { - var matrix = this._globalMatrix, - updateVersion = this._project._updateVersion; - if (matrix && matrix._updateVersion !== updateVersion) - matrix = null; - if (!matrix) { - matrix = this._globalMatrix = this._matrix.clone(); - if (this._parent) - matrix.preConcatenate(this._parent.getGlobalMatrix()); - matrix._updateVersion = updateVersion; - } - return matrix; - }, - - getApplyMatrix: function() { - return this._applyMatrix; - }, - - setApplyMatrix: function(transform) { - if (this._applyMatrix = this._canApplyMatrix && !!transform) - this.transform(null, true); - }, - - getTransformContent: '#getApplyMatrix', - setTransformContent: '#setApplyMatrix', - - getProject: function() { - return this._project; - }, - - _setProject: function(project, installEvents) { - if (this._project !== project) { - if (this._project) - this._installEvents(false); - this._project = project; - var children = this._children; - for (var i = 0, l = children && children.length; i < l; i++) - children[i]._setProject(project); - installEvents = true; - } - if (installEvents) - this._installEvents(true); - }, - - getView: function() { - return this._project.getView(); - }, - - _installEvents: function _installEvents(install) { - _installEvents.base.call(this, install); - var children = this._children; - for (var i = 0, l = children && children.length; i < l; i++) - children[i]._installEvents(install); - }, - - getLayer: function() { - var parent = this; - while (parent = parent._parent) { - if (parent instanceof Layer) - return parent; - } - return null; - }, - - getParent: function() { - return this._parent; - }, - - setParent: function(item) { - return item.addChild(this); - }, - - getChildren: function() { - return this._children; - }, - - setChildren: function(items) { - this.removeChildren(); - this.addChildren(items); - }, - - getFirstChild: function() { - return this._children && this._children[0] || null; - }, - - getLastChild: function() { - return this._children && this._children[this._children.length - 1] - || null; - }, - - getNextSibling: function() { - return this._parent && this._parent._children[this._index + 1] || null; - }, - - getPreviousSibling: function() { - return this._parent && this._parent._children[this._index - 1] || null; - }, - - getIndex: function() { - return this._index; - }, - - isInserted: function() { - return this._parent ? this._parent.isInserted() : false; - }, - - equals: function(item) { - return item === this || item && this._class === item._class - && this._style.equals(item._style) - && this._matrix.equals(item._matrix) - && this._locked === item._locked - && this._visible === item._visible - && this._blendMode === item._blendMode - && this._opacity === item._opacity - && this._clipMask === item._clipMask - && this._guide === item._guide - && this._equals(item) - || false; - }, - - _equals: function(item) { - return Base.equals(this._children, item._children); - }, - - clone: function(insert) { - return this._clone(new this.constructor(Item.NO_INSERT), insert); - }, - - _clone: function(copy, insert) { - copy.setStyle(this._style); - if (this._children) { - for (var i = 0, l = this._children.length; i < l; i++) - copy.addChild(this._children[i].clone(false), true); - } - if (insert || insert === undefined) - copy.insertAbove(this); - var keys = ['_locked', '_visible', '_blendMode', '_opacity', - '_clipMask', '_guide', '_applyMatrix']; - for (var i = 0, l = keys.length; i < l; i++) { - var key = keys[i]; - if (this.hasOwnProperty(key)) - copy[key] = this[key]; - } - copy._matrix.initialize(this._matrix); - copy._data = this._data ? Base.clone(this._data) : null; - copy.setSelected(this._selected); - if (this._name) - copy.setName(this._name, true); - return copy; - }, - - copyTo: function(itemOrProject) { - return itemOrProject.addChild(this.clone(false)); - }, - - rasterize: function(resolution) { - var bounds = this.getStrokeBounds(), - scale = (resolution || this.getView().getResolution()) / 72, - topLeft = bounds.getTopLeft().floor(), - bottomRight = bounds.getBottomRight().ceil() - size = new Size(bottomRight.subtract(topLeft)), - canvas = CanvasProvider.getCanvas(size.multiply(scale)), - ctx = canvas.getContext('2d'), - matrix = new Matrix().scale(scale).translate(topLeft.negate()); - ctx.save(); - matrix.applyToContext(ctx); - this.draw(ctx, new Base({ transforms: [matrix] })); - ctx.restore(); - var raster = new Raster(Item.NO_INSERT); - raster.setCanvas(canvas); - raster.transform(new Matrix().translate(topLeft.add(size.divide(2))) - .scale(1 / scale)); - raster.insertAbove(this); - return raster; - }, - - contains: function() { - return !!this._contains( - this._matrix._inverseTransform(Point.read(arguments))); - }, - - _contains: function(point) { - if (this._children) { - for (var i = this._children.length - 1; i >= 0; i--) { - if (this._children[i].contains(point)) - return true; - } - return false; - } - return point.isInside(this.getInternalBounds()); - }, - - hitTest: function(point, options) { - point = Point.read(arguments); - options = HitResult.getOptions(Base.read(arguments)); - if (this._locked || !this._visible || this._guide && !options.guides) - return null; - - var matrix = this._matrix, - parentTotalMatrix = options._totalMatrix, - view = this.getView(), - totalMatrix = options._totalMatrix = parentTotalMatrix - ? parentTotalMatrix.clone().concatenate(matrix) - : this.getGlobalMatrix().clone().preConcatenate( - view._matrix), - tolerancePadding = options._tolerancePadding = new Size( - Path._getPenPadding(1, totalMatrix.inverted()) - ).multiply( - Math.max(options.tolerance, 0.00001) - ); - point = matrix._inverseTransform(point); - - if (!this._children && !this.getInternalRoughBounds() - .expand(tolerancePadding.multiply(2))._containsPoint(point)) - return null; - var type, - checkSelf = !(options.guides && !this._guide - || options.selected && !this._selected - || (type = options.type) && (typeof type === 'string' - ? type !== Base.hyphenate(this._class) - : !(this instanceof type))), - that = this, - res; - - function checkBounds(type, part) { - var pt = bounds['get' + part](); - if (point.subtract(pt).divide(tolerancePadding).length <= 1) - return new HitResult(type, that, - { name: Base.hyphenate(part), point: pt }); - } - - if (checkSelf && (options.center || options.bounds) && this._parent) { - var bounds = this.getInternalBounds(); - if (options.center) - res = checkBounds('center', 'Center'); - if (!res && options.bounds) { - var points = [ - 'TopLeft', 'TopRight', 'BottomLeft', 'BottomRight', - 'LeftCenter', 'TopCenter', 'RightCenter', 'BottomCenter' - ]; - for (var i = 0; i < 8 && !res; i++) - res = checkBounds('bounds', points[i]); - } - } - - var children = !res && this._children; - if (children) { - var opts = this._getChildHitTestOptions(options); - for (var i = children.length - 1; i >= 0 && !res; i--) - res = children[i].hitTest(point, opts); - } - if (!res && checkSelf) - res = this._hitTest(point, options); - if (res && res.point) - res.point = matrix.transform(res.point); - options._totalMatrix = parentTotalMatrix; - return res; - }, - - _getChildHitTestOptions: function(options) { - return options; - }, - - _hitTest: function(point, options) { - if (options.fill && this.hasFill() && this._contains(point)) - return new HitResult('fill', this); - }, -}, { - matches: function(match) { - function matchObject(obj1, obj2) { - for (var i in obj1) { - if (obj1.hasOwnProperty(i)) { - var val1 = obj1[i], - val2 = obj2[i]; - if (Base.isPlainObject(val1) && Base.isPlainObject(val2)) { - if (!matchObject(val1, val2)) - return false; - } else if (!Base.equals(val1, val2)) { - return false; - } - } - } - return true; - } - for (var key in match) { - if (match.hasOwnProperty(key)) { - var value = this[key], - compare = match[key]; - if (value === undefined && key === 'type') - value = Base.hyphenate(this._class); - if (/^(constructor|class)$/.test(key)) { - if (!(this instanceof compare)) - return false; - } else if (compare instanceof RegExp) { - if (!compare.test(value)) - return false; - } else if (typeof compare === 'function') { - if (!compare(value)) - return false; - } else if (Base.isPlainObject(compare)) { - if (!matchObject(compare, value)) - return false; - } else if (!Base.equals(value, compare)) { - return false; - } - } - } - return true; - }, - - getItems: function(match) { - return Item._getItems(this._children, match, true); - }, - - getItem: function(match) { - return Item._getItems(this._children, match, false); - }, - - statics: { - _getItems: function _getItems(children, match, list) { - var items = list && []; - for (var i = 0, l = children && children.length; i < l; i++) { - var child = children[i]; - if (child.matches(match)) { - if (list) { - items.push(child); - } else { - return child; - } - } - var res = _getItems(child._children, match, list); - if (list) { - items.push.apply(items, res); - } else if (res) { - return res; - } - } - return list ? items : null; - } - } -}, { - - importJSON: function(json) { - var res = Base.importJSON(json, this); - return res !== this - ? this.addChild(res) - : res; - }, - - addChild: function(item, _preserve) { - return this.insertChild(undefined, item, _preserve); - }, - - insertChild: function(index, item, _preserve) { - var res = this.insertChildren(index, [item], _preserve); - return res && res[0]; - }, - - addChildren: function(items, _preserve) { - return this.insertChildren(this._children.length, items, _preserve); - }, - - insertChildren: function(index, items, _preserve, _proto) { - var children = this._children; - if (children && items && items.length > 0) { - items = Array.prototype.slice.apply(items); - for (var i = items.length - 1; i >= 0; i--) { - var item = items[i]; - if (_proto && !(item instanceof _proto)) { - items.splice(i, 1); - } else { - item._remove(false, true); - } - } - Base.splice(children, items, index, 0); - var project = this._project, - notifySelf = project && project._changes; - for (var i = 0, l = items.length; i < l; i++) { - var item = items[i]; - item._parent = this; - item._setProject(this._project, true); - if (item._name) - item.setName(item._name); - if (notifySelf) - this._changed(5); - } - this._changed(11); - } else { - items = null; - } - return items; - }, - - _insert: function(above, item, _preserve) { - if (!item._parent) - return null; - var index = item._index + (above ? 1 : 0); - if (item._parent === this._parent && index > this._index) - index--; - return item._parent.insertChild(index, this, _preserve); - }, - - insertAbove: function(item, _preserve) { - return this._insert(true, item, _preserve); - }, - - insertBelow: function(item, _preserve) { - return this._insert(false, item, _preserve); - }, - - sendToBack: function() { - return this._parent.insertChild(0, this); - }, - - bringToFront: function() { - return this._parent.addChild(this); - }, - - appendTop: '#addChild', - - appendBottom: function(item) { - return this.insertChild(0, item); - }, - - moveAbove: '#insertAbove', - - moveBelow: '#insertBelow', - - reduce: function() { - if (this._children && this._children.length === 1) { - var child = this._children[0].reduce(); - child.insertAbove(this); - child.setStyle(this._style); - this.remove(); - return child; - } - return this; - }, - - _removeNamed: function() { - var children = this._parent._children, - namedChildren = this._parent._namedChildren, - name = this._name, - namedArray = namedChildren[name], - index = namedArray ? namedArray.indexOf(this) : -1; - if (index == -1) - return; - if (children[name] == this) - delete children[name]; - namedArray.splice(index, 1); - if (namedArray.length) { - children[name] = namedArray[namedArray.length - 1]; - } else { - delete namedChildren[name]; - } - }, - - _remove: function(notifySelf, notifyParent) { - var parent = this._parent; - if (parent) { - if (this._name) - this._removeNamed(); - if (this._index != null) - Base.splice(parent._children, null, this._index, 1); - this._installEvents(false); - if (notifySelf) { - var project = this._project; - if (project && project._changes) - this._changed(5); - } - if (notifyParent) - parent._changed(11); - this._parent = null; - return true; - } - return false; - }, - - remove: function() { - return this._remove(true, true); - }, - - removeChildren: function(from, to) { - if (!this._children) - return null; - from = from || 0; - to = Base.pick(to, this._children.length); - var removed = Base.splice(this._children, null, from, to - from); - for (var i = removed.length - 1; i >= 0; i--) { - removed[i]._remove(true, false); - } - if (removed.length > 0) - this._changed(11); - return removed; - }, - - clear: '#removeChildren', - - reverseChildren: function() { - if (this._children) { - this._children.reverse(); - for (var i = 0, l = this._children.length; i < l; i++) - this._children[i]._index = i; - this._changed(11); - } - }, - - isEmpty: function() { - return !this._children || this._children.length == 0; - }, - - isEditable: function() { - var item = this; - while (item) { - if (!item._visible || item._locked) - return false; - item = item._parent; - } - return true; - }, - - _getOrder: function(item) { - function getList(item) { - var list = []; - do { - list.unshift(item); - } while (item = item._parent); - return list; - } - var list1 = getList(this), - list2 = getList(item); - for (var i = 0, l = Math.min(list1.length, list2.length); i < l; i++) { - if (list1[i] != list2[i]) { - return list1[i]._index < list2[i]._index ? 1 : -1; - } - } - return 0; - }, - - hasChildren: function() { - return this._children && this._children.length > 0; - }, - - isAbove: function(item) { - return this._getOrder(item) === -1; - }, - - isBelow: function(item) { - return this._getOrder(item) === 1; - }, - - isParent: function(item) { - return this._parent === item; - }, - - isChild: function(item) { - return item && item._parent === this; - }, - - isDescendant: function(item) { - var parent = this; - while (parent = parent._parent) { - if (parent == item) - return true; - } - return false; - }, - - isAncestor: function(item) { - return item ? item.isDescendant(this) : false; - }, - - isGroupedWith: function(item) { - var parent = this._parent; - while (parent) { - if (parent._parent - && /^(Group|Layer|CompoundPath)$/.test(parent._class) - && item.isDescendant(parent)) - return true; - parent = parent._parent; - } - return false; - }, - - translate: function() { - var mx = new Matrix(); - return this.transform(mx.translate.apply(mx, arguments)); - }, - - rotate: function(angle ) { - return this.transform(new Matrix().rotate(angle, - Point.read(arguments, 1, { readNull: true }) - || this.getPosition(true))); - } -}, Base.each(['scale', 'shear', 'skew'], function(name) { - this[name] = function() { - var point = Point.read(arguments), - center = Point.read(arguments, 0, { readNull: true }); - return this.transform(new Matrix()[name](point, - center || this.getPosition(true))); - }; -}, { - -}), { - transform: function(matrix, _applyMatrix) { - if (matrix && matrix.isIdentity()) - matrix = null; - var _matrix = this._matrix, - applyMatrix = (_applyMatrix || this._applyMatrix) - && (!_matrix.isIdentity() || matrix); - if (!matrix && !applyMatrix) - return this; - if (matrix) - _matrix.preConcatenate(matrix); - if (applyMatrix = applyMatrix && this._transformContent(_matrix)) { - var pivot = this._pivot, - style = this._style, - fillColor = style.getFillColor(true), - strokeColor = style.getStrokeColor(true); - if (pivot) - pivot.transform(_matrix); - if (fillColor) - fillColor.transform(_matrix); - if (strokeColor) - strokeColor.transform(_matrix); - _matrix.reset(true); - } - var bounds = this._bounds, - position = this._position; - this._changed(9); - var decomp = bounds && matrix && matrix.decompose(); - if (decomp && !decomp.shearing && decomp.rotation % 90 === 0) { - for (var key in bounds) { - var rect = bounds[key]; - if (applyMatrix || !rect._internal) - matrix._transformBounds(rect, rect); - } - var getter = this._boundsGetter, - rect = bounds[getter && getter.getBounds || getter || 'getBounds']; - if (rect) - this._position = rect.getCenter(true); - this._bounds = bounds; - } else if (matrix && position) { - this._position = matrix._transformPoint(position, position); - } - return this; - }, - - _transformContent: function(matrix) { - var children = this._children; - if (children) { - for (var i = 0, l = children.length; i < l; i++) - children[i].transform(matrix, true); - return true; - } - }, - - globalToLocal: function() { - var matrix = this.getGlobalMatrix(); - return matrix && matrix._inverseTransform(Point.read(arguments)); - }, - - localToGlobal: function() { - var matrix = this.getGlobalMatrix(); - return matrix && matrix._transformPoint(Point.read(arguments)); - }, - - fitBounds: function(rectangle, fill) { - rectangle = Rectangle.read(arguments); - var bounds = this.getBounds(), - itemRatio = bounds.height / bounds.width, - rectRatio = rectangle.height / rectangle.width, - scale = (fill ? itemRatio > rectRatio : itemRatio < rectRatio) - ? rectangle.width / bounds.width - : rectangle.height / bounds.height, - newBounds = new Rectangle(new Point(), - new Size(bounds.width * scale, bounds.height * scale)); - newBounds.setCenter(rectangle.getCenter()); - this.setBounds(newBounds); - }, - - _setStyles: function(ctx) { - var style = this._style, - fillColor = style.getFillColor(), - strokeColor = style.getStrokeColor(), - shadowColor = style.getShadowColor(); - if (fillColor) - ctx.fillStyle = fillColor.toCanvasStyle(ctx); - if (strokeColor) { - var strokeWidth = style.getStrokeWidth(); - if (strokeWidth > 0) { - ctx.strokeStyle = strokeColor.toCanvasStyle(ctx); - ctx.lineWidth = strokeWidth; - var strokeJoin = style.getStrokeJoin(), - strokeCap = style.getStrokeCap(), - miterLimit = style.getMiterLimit(); - if (strokeJoin) - ctx.lineJoin = strokeJoin; - if (strokeCap) - ctx.lineCap = strokeCap; - if (miterLimit) - ctx.miterLimit = miterLimit; - if (paper.support.nativeDash) { - var dashArray = style.getDashArray(), - dashOffset = style.getDashOffset(); - if (dashArray && dashArray.length) { - if ('setLineDash' in ctx) { - ctx.setLineDash(dashArray); - ctx.lineDashOffset = dashOffset; - } else { - ctx.mozDash = dashArray; - ctx.mozDashOffset = dashOffset; - } - } - } - } - } - if (shadowColor) { - var shadowBlur = style.getShadowBlur(); - if (shadowBlur > 0) { - ctx.shadowColor = shadowColor.toCanvasStyle(ctx); - ctx.shadowBlur = shadowBlur; - var offset = this.getShadowOffset(); - ctx.shadowOffsetX = offset.x; - ctx.shadowOffsetY = offset.y; - } - } - }, - - draw: function(ctx, param) { - if (!this._visible || this._opacity === 0) - return; - var updateVersion = this._updateVersion = this._project._updateVersion; - var trackTransforms = param.trackTransforms, - transforms = param.transforms = param.transforms || [new Matrix()], - matrix = this._matrix, - parentMatrix = transforms[transforms.length - 1], - globalMatrix = parentMatrix.clone().concatenate(matrix); - if (!globalMatrix.isInvertible()) - return; - if (trackTransforms) { - if (!transforms) - transforms = param.transforms = []; - transforms.push(this._globalMatrix = globalMatrix); - globalMatrix._updateVersion = updateVersion; - } - - var blendMode = this._blendMode, - opacity = this._opacity, - normalBlend = blendMode === 'normal', - nativeBlend = BlendMode.nativeModes[blendMode], - direct = normalBlend && opacity === 1 - || param.clip - || (nativeBlend || normalBlend && opacity < 1) - && this._canComposite(), - mainCtx, itemOffset, prevOffset; - if (!direct) { - var bounds = this.getStrokeBounds(parentMatrix); - if (!bounds.width || !bounds.height) - return; - prevOffset = param.offset; - itemOffset = param.offset = bounds.getTopLeft().floor(); - mainCtx = ctx; - ctx = CanvasProvider.getContext( - bounds.getSize().ceil().add(new Size(1, 1)), - param.pixelRatio); - } - ctx.save(); - if (direct) { - ctx.globalAlpha = opacity; - if (nativeBlend) - ctx.globalCompositeOperation = blendMode; - } else { - ctx.translate(-itemOffset.x, -itemOffset.y); - } - (direct ? matrix : globalMatrix).applyToContext(ctx); - if (!direct && param.clipItem) - param.clipItem.draw(ctx, param.extend({ clip: true })); - this._draw(ctx, param); - ctx.restore(); - if (trackTransforms) - transforms.pop(); - if (param.clip && !param.dontFinish) - ctx.clip(); - if (!direct) { - BlendMode.process(blendMode, ctx, mainCtx, opacity, - itemOffset.subtract(prevOffset).multiply(param.pixelRatio)); - CanvasProvider.release(ctx); - param.offset = prevOffset; - } - }, - - _canComposite: function() { - return false; - } -}, Base.each(['down', 'drag', 'up', 'move'], function(name) { - this['removeOn' + Base.capitalize(name)] = function() { - var hash = {}; - hash[name] = true; - return this.removeOn(hash); - }; -}, { - - removeOn: function(obj) { - for (var name in obj) { - if (obj[name]) { - var key = 'mouse' + name, - project = this._project, - sets = project._removeSets = project._removeSets || {}; - sets[key] = sets[key] || {}; - sets[key][this._id] = this; - } - } - return this; - } -})); - -var Group = Item.extend({ - _class: 'Group', - _selectChildren: true, - _serializeFields: { - children: [] - }, - - initialize: function Group(arg) { - this._children = []; - this._namedChildren = {}; - if (!this._initialize(arg)) - this.addChildren(Array.isArray(arg) ? arg : arguments); - }, - - _changed: function _changed(flags) { - _changed.base.call(this, flags); - if (flags & (2 | 1024)) { - this._clipItem = undefined; - } - }, - - _getClipItem: function() { - var clipItem = this._clipItem; - if (clipItem === undefined) { - clipItem = null; - for (var i = 0, l = this._children.length; i < l; i++) { - var child = this._children[i]; - if (child._clipMask) { - clipItem = child; - break; - } - } - this._clipItem = clipItem; - } - return clipItem; - }, - - isClipped: function() { - return !!this._getClipItem(); - }, - - setClipped: function(clipped) { - var child = this.getFirstChild(); - if (child) - child.setClipMask(clipped); - }, - - _draw: function(ctx, param) { - var clip = param.clip, - clipItem = !clip && this._getClipItem(), - draw = true; - param = param.extend({ clipItem: clipItem, clip: false }); - if (clip) { - if (this._currentPath) { - ctx.currentPath = this._currentPath; - draw = false; - } else { - ctx.beginPath(); - param.dontStart = param.dontFinish = true; - } - } else if (clipItem) { - clipItem.draw(ctx, param.extend({ clip: true })); - } - if (draw) { - for (var i = 0, l = this._children.length; i < l; i++) { - var item = this._children[i]; - if (item !== clipItem) - item.draw(ctx, param); - } - } - if (clip) { - this._currentPath = ctx.currentPath; - } - } -}); - -var Layer = Group.extend({ - _class: 'Layer', - - initialize: function Layer(arg) { - var props = Base.isPlainObject(arg) - ? new Base(arg) - : { children: Array.isArray(arg) ? arg : arguments }, - insert = props.insert; - props.insert = false; - Group.call(this, props); - if (insert || insert === undefined) { - this._project.addChild(this); - this.activate(); - } - }, - - _remove: function _remove(notify) { - if (this._parent) - return _remove.base.call(this, notify); - if (this._index != null) { - if (this._project.activeLayer === this) - this._project.activeLayer = this.getNextSibling() - || this.getPreviousSibling(); - Base.splice(this._project.layers, null, this._index, 1); - this._installEvents(false); - this._project._needsUpdate = true; - return true; - } - return false; - }, - - getNextSibling: function getNextSibling() { - return this._parent ? getNextSibling.base.call(this) - : this._project.layers[this._index + 1] || null; - }, - - getPreviousSibling: function getPreviousSibling() { - return this._parent ? getPreviousSibling.base.call(this) - : this._project.layers[this._index - 1] || null; - }, - - isInserted: function isInserted() { - return this._parent ? isInserted.base.call(this) : this._index != null; - }, - - activate: function() { - this._project.activeLayer = this; - }, - - _insert: function _insert(above, item, _preserve) { - if (item instanceof Layer && !item._parent) { - this._remove(true, true); - Base.splice(item._project.layers, [this], - item._index + (above ? 1 : 0), 0); - this._setProject(item._project, true); - return this; - } - return _insert.base.call(this, above, item, _preserve); - } -}); - -var Shape = Item.extend({ - _class: 'Shape', - _applyMatrix: false, - _canApplyMatrix: false, - _boundsSelected: true, - _serializeFields: { - type: null, - size: null, - radius: null - }, - - initialize: function Shape(props) { - this._initialize(props); - }, - - _equals: function(item) { - return this._type === item._type - && this._size.equals(item._size) - && Base.equals(this._radius, item._radius); - }, - - clone: function(insert) { - var copy = new Shape(Item.NO_INSERT); - copy.setType(this._type); - copy.setSize(this._size); - copy.setRadius(this._radius); - return this._clone(copy, insert); - }, - - getType: function() { - return this._type; - }, - - setType: function(type) { - this._type = type; - }, - - getShape: '#getType', - setShape: '#setType', - - getSize: function() { - var size = this._size; - return new LinkedSize(size.width, size.height, this, 'setSize'); - }, - - setSize: function() { - var size = Size.read(arguments); - if (!this._size) { - this._size = size.clone(); - } else if (!this._size.equals(size)) { - var type = this._type, - width = size.width, - height = size.height; - if (type === 'rectangle') { - var radius = Size.min(this._radius, size.divide(2)); - this._radius.set(radius.width, radius.height); - } else if (type === 'circle') { - width = height = (width + height) / 2; - this._radius = width / 2; - } else if (type === 'ellipse') { - this._radius.set(width / 2, height / 2); - } - this._size.set(width, height); - this._changed(9); - } - }, - - getRadius: function() { - var rad = this._radius; - return this._type === 'circle' - ? rad - : new LinkedSize(rad.width, rad.height, this, 'setRadius'); - }, - - setRadius: function(radius) { - var type = this._type; - if (type === 'circle') { - if (radius === this._radius) - return; - var size = radius * 2; - this._radius = radius; - this._size.set(size, size); - } else { - radius = Size.read(arguments); - if (!this._radius) { - this._radius = radius.clone(); - } else { - if (this._radius.equals(radius)) - return; - this._radius.set(radius.width, radius.height); - if (type === 'rectangle') { - var size = Size.max(this._size, radius.multiply(2)); - this._size.set(size.width, size.height); - } else if (type === 'ellipse') { - this._size.set(radius.width * 2, radius.height * 2); - } - } - } - this._changed(9); - }, - - isEmpty: function() { - return false; - }, - - toPath: function(insert) { - var path = new Path[Base.capitalize(this._type)]({ - center: new Point(), - size: this._size, - radius: this._radius, - insert: false - }); - path.setStyle(this._style); - path.transform(this._matrix); - if (insert || insert === undefined) - path.insertAbove(this); - return path; - }, - - _draw: function(ctx, param) { - var style = this._style, - hasFill = style.hasFill(), - hasStroke = style.hasStroke(), - dontPaint = param.dontFinish || param.clip; - if (hasFill || hasStroke || dontPaint) { - var radius = this._radius, - type = this._type; - if (!param.dontStart) - ctx.beginPath(); - if (type === 'circle') { - ctx.arc(0, 0, radius, 0, Math.PI * 2, true); - } else { - var rx = radius.width, - ry = radius.height, - kappa = 0.5522847498307936; - if (type === 'ellipse') { - var cx = rx * kappa, - cy = ry * kappa; - ctx.moveTo(-rx, 0); - ctx.bezierCurveTo(-rx, -cy, -cx, -ry, 0, -ry); - ctx.bezierCurveTo(cx, -ry, rx, -cy, rx, 0); - ctx.bezierCurveTo(rx, cy, cx, ry, 0, ry); - ctx.bezierCurveTo(-cx, ry, -rx, cy, -rx, 0); - } else { - var size = this._size, - width = size.width, - height = size.height; - if (rx === 0 && ry === 0) { - ctx.rect(-width / 2, -height / 2, width, height); - } else { - kappa = 1 - kappa; - var x = width / 2, - y = height / 2, - cx = rx * kappa, - cy = ry * kappa; - ctx.moveTo(-x, -y + ry); - ctx.bezierCurveTo(-x, -y + cy, -x + cx, -y, -x + rx, -y); - ctx.lineTo(x - rx, -y); - ctx.bezierCurveTo(x - cx, -y, x, -y + cy, x, -y + ry); - ctx.lineTo(x, y - ry); - ctx.bezierCurveTo(x, y - cy, x - cx, y, x - rx, y); - ctx.lineTo(-x + rx, y); - ctx.bezierCurveTo(-x + cx, y, -x, y - cy, -x, y - ry); - } - } - } - ctx.closePath(); - } - if (!dontPaint && (hasFill || hasStroke)) { - this._setStyles(ctx); - if (hasFill) { - ctx.fill(style.getWindingRule()); - ctx.shadowColor = 'rgba(0,0,0,0)'; - } - if (hasStroke) - ctx.stroke(); - } - }, - - _canComposite: function() { - return !(this.hasFill() && this.hasStroke()); - }, - - _getBounds: function(getter, matrix) { - var rect = new Rectangle(this._size).setCenter(0, 0); - if (getter !== 'getBounds' && this.hasStroke()) - rect = rect.expand(this.getStrokeWidth()); - return matrix ? matrix._transformBounds(rect) : rect; - } -}, -new function() { - - function getCornerCenter(that, point, expand) { - var radius = that._radius; - if (!radius.isZero()) { - var halfSize = that._size.divide(2); - for (var i = 0; i < 4; i++) { - var dir = new Point(i & 1 ? 1 : -1, i > 1 ? 1 : -1), - corner = dir.multiply(halfSize), - center = corner.subtract(dir.multiply(radius)), - rect = new Rectangle(corner, center); - if ((expand ? rect.expand(expand) : rect).contains(point)) - return center; - } - } - } - - function getEllipseRadius(point, radius) { - var angle = point.getAngleInRadians(), - width = radius.width * 2, - height = radius.height * 2, - x = width * Math.sin(angle), - y = height * Math.cos(angle); - return width * height / (2 * Math.sqrt(x * x + y * y)); - } - - return { - _contains: function _contains(point) { - if (this._type === 'rectangle') { - var center = getCornerCenter(this, point); - return center - ? point.subtract(center).divide(this._radius) - .getLength() <= 1 - : _contains.base.call(this, point); - } else { - return point.divide(this.size).getLength() <= 0.5; - } - }, - - _hitTest: function _hitTest(point, options) { - var hit = false; - if (this.hasStroke()) { - var type = this._type, - radius = this._radius, - strokeWidth = this.getStrokeWidth() + 2 * options.tolerance; - if (type === 'rectangle') { - var center = getCornerCenter(this, point, strokeWidth); - if (center) { - var pt = point.subtract(center); - hit = 2 * Math.abs(pt.getLength() - - getEllipseRadius(pt, radius)) <= strokeWidth; - } else { - var rect = new Rectangle(this._size).setCenter(0, 0), - outer = rect.expand(strokeWidth), - inner = rect.expand(-strokeWidth); - hit = outer._containsPoint(point) - && !inner._containsPoint(point); - } - } else { - if (type === 'ellipse') - radius = getEllipseRadius(point, radius); - hit = 2 * Math.abs(point.getLength() - radius) - <= strokeWidth; - } - } - return hit - ? new HitResult('stroke', this) - : _hitTest.base.apply(this, arguments); - } - }; -}, { - -statics: new function() { - function createShape(type, point, size, radius, args) { - var item = new Shape(Base.getNamed(args)); - item._type = type; - item._size = size; - item._radius = radius; - return item.translate(point); - } - - return { - Circle: function() { - var center = Point.readNamed(arguments, 'center'), - radius = Base.readNamed(arguments, 'radius'); - return createShape('circle', center, new Size(radius * 2), radius, - arguments); - }, - - Rectangle: function() { - var rect = Rectangle.readNamed(arguments, 'rectangle'), - radius = Size.min(Size.readNamed(arguments, 'radius'), - rect.getSize(true).divide(2)); - return createShape('rectangle', rect.getCenter(true), - rect.getSize(true), radius, arguments); - }, - - Ellipse: function() { - var ellipse = Shape._readEllipse(arguments); - radius = ellipse.radius; - return createShape('ellipse', ellipse.center, radius.multiply(2), - radius, arguments); - }, - - _readEllipse: function(args) { - var center, - radius; - if (Base.hasNamed(args, 'radius')) { - center = Point.readNamed(args, 'center'); - radius = Size.readNamed(args, 'radius'); - } else { - var rect = Rectangle.readNamed(args, 'rectangle'); - center = rect.getCenter(true); - radius = rect.getSize(true).divide(2); - } - return { center: center, radius: radius }; - } - }; -}}); - -var Raster = Item.extend({ - _class: 'Raster', - _applyMatrix: false, - _canApplyMatrix: false, - _boundsGetter: 'getBounds', - _boundsSelected: true, - _serializeFields: { - source: null - }, - - initialize: function Raster(object, position) { - if (!this._initialize(object, - position !== undefined && Point.read(arguments, 1))) { - if (typeof object === 'string') { - this.setSource(object); - } else { - this.setImage(object); - } - } - if (!this._size) - this._size = new Size(); - }, - - _equals: function(item) { - return this.getSource() === item.getSource(); - }, - - clone: function(insert) { - var copy = new Raster(Item.NO_INSERT), - image = this._image, - canvas = this._canvas; - if (image) { - copy.setImage(image); - } else if (canvas) { - var copyCanvas = CanvasProvider.getCanvas(this._size); - copyCanvas.getContext('2d').drawImage(canvas, 0, 0); - copy.setCanvas(copyCanvas); - } - return this._clone(copy, insert); - }, - - getSize: function() { - var size = this._size; - return new LinkedSize(size.width, size.height, this, 'setSize'); - }, - - setSize: function() { - var size = Size.read(arguments); - if (!this._size.equals(size)) { - var element = this.getElement(); - this.setCanvas(CanvasProvider.getCanvas(size)); - if (element) - this.getContext(true).drawImage(element, 0, 0, - size.width, size.height); - } - }, - - getWidth: function() { - return this._size.width; - }, - - getHeight: function() { - return this._size.height; - }, - - isEmpty: function() { - return this._size.width == 0 && this._size.height == 0; - }, - - getPpi: function() { - var matrix = this._matrix, - orig = new Point(0, 0).transform(matrix), - u = new Point(1, 0).transform(matrix).subtract(orig), - v = new Point(0, 1).transform(matrix).subtract(orig); - return new Size( - 72 / u.getLength(), - 72 / v.getLength() - ); - }, - - getImage: function() { - return this._image; - }, - - setImage: function(image) { - if (this._canvas) - CanvasProvider.release(this._canvas); - if (image.getContext) { - this._image = null; - this._canvas = image; - } else { - this._image = image; - this._canvas = null; - } - this._size = new Size( - image.naturalWidth || image.width, - image.naturalHeight || image.height); - this._context = null; - this._changed(9 | 513); - }, - - getCanvas: function() { - if (!this._canvas) { - var ctx = CanvasProvider.getContext(this._size); - try { - if (this._image) - ctx.drawImage(this._image, 0, 0); - this._canvas = ctx.canvas; - } catch (e) { - CanvasProvider.release(ctx); - } - } - return this._canvas; - }, - - setCanvas: '#setImage', - - getContext: function(modify) { - if (!this._context) - this._context = this.getCanvas().getContext('2d'); - if (modify) { - this._image = null; - this._changed(513); - } - return this._context; - }, - - setContext: function(context) { - this._context = context; - }, - - getSource: function() { - return this._image && this._image.src || this.toDataURL(); - }, - - setSource: function(src) { - var that = this, - image; - - function loaded() { - var view = that.getView(); - if (view) { - paper = view._scope; - that.setImage(image); - that.fire('load'); - view.update(); - } - } - - image = document.getElementById(src) || new Image(); - - if (image.naturalWidth && image.naturalHeight) { - setTimeout(loaded, 0); - } else { - DomEvent.add(image, { - load: loaded - }); - if (!image.src) - image.src = src; - } - this.setImage(image); - }, - - getElement: function() { - return this._canvas || this._image; - }, - - getSubCanvas: function(rect) { - var rect = Rectangle.read(arguments), - ctx = CanvasProvider.getContext(rect.getSize()); - ctx.drawImage(this.getCanvas(), rect.x, rect.y, - rect.width, rect.height, 0, 0, rect.width, rect.height); - return ctx.canvas; - }, - - getSubRaster: function(rect) { - var rect = Rectangle.read(arguments), - raster = new Raster(Item.NO_INSERT); - raster.setCanvas(this.getSubCanvas(rect)); - raster.translate(rect.getCenter().subtract(this.getSize().divide(2))); - raster._matrix.preConcatenate(this._matrix); - raster.insertAbove(this); - return raster; - }, - - toDataURL: function() { - var src = this._image && this._image.src; - if (/^data:/.test(src)) - return src; - var canvas = this.getCanvas(); - return canvas ? canvas.toDataURL() : null; - }, - - drawImage: function(image ) { - var point = Point.read(arguments, 1); - this.getContext(true).drawImage(image, point.x, point.y); - }, - - getAverageColor: function(object) { - var bounds, path; - if (!object) { - bounds = this.getBounds(); - } else if (object instanceof PathItem) { - path = object; - bounds = object.getBounds(); - } else if (object.width) { - bounds = new Rectangle(object); - } else if (object.x) { - bounds = new Rectangle(object.x - 0.5, object.y - 0.5, 1, 1); - } - var sampleSize = 32, - width = Math.min(bounds.width, sampleSize), - height = Math.min(bounds.height, sampleSize); - var ctx = Raster._sampleContext; - if (!ctx) { - ctx = Raster._sampleContext = CanvasProvider.getContext( - new Size(sampleSize)); - } else { - ctx.clearRect(0, 0, sampleSize + 1, sampleSize + 1); - } - ctx.save(); - var matrix = new Matrix() - .scale(width / bounds.width, height / bounds.height) - .translate(-bounds.x, -bounds.y); - matrix.applyToContext(ctx); - if (path) - path.draw(ctx, new Base({ clip: true, transforms: [matrix] })); - this._matrix.applyToContext(ctx); - ctx.drawImage(this.getElement(), - -this._size.width / 2, -this._size.height / 2); - ctx.restore(); - var pixels = ctx.getImageData(0.5, 0.5, Math.ceil(width), - Math.ceil(height)).data, - channels = [0, 0, 0], - total = 0; - for (var i = 0, l = pixels.length; i < l; i += 4) { - var alpha = pixels[i + 3]; - total += alpha; - alpha /= 255; - channels[0] += pixels[i] * alpha; - channels[1] += pixels[i + 1] * alpha; - channels[2] += pixels[i + 2] * alpha; - } - for (var i = 0; i < 3; i++) - channels[i] /= total; - return total ? Color.read(channels) : null; - }, - - getPixel: function(point) { - var point = Point.read(arguments); - var data = this.getContext().getImageData(point.x, point.y, 1, 1).data; - return new Color('rgb', [data[0] / 255, data[1] / 255, data[2] / 255], - data[3] / 255); - }, - - setPixel: function() { - var point = Point.read(arguments), - color = Color.read(arguments), - components = color._convert('rgb'), - alpha = color._alpha, - ctx = this.getContext(true), - imageData = ctx.createImageData(1, 1), - data = imageData.data; - data[0] = components[0] * 255; - data[1] = components[1] * 255; - data[2] = components[2] * 255; - data[3] = alpha != null ? alpha * 255 : 255; - ctx.putImageData(imageData, point.x, point.y); - }, - - createImageData: function() { - var size = Size.read(arguments); - return this.getContext().createImageData(size.width, size.height); - }, - - getImageData: function(rect) { - var rect = Rectangle.read(arguments); - if (rect.isEmpty()) - rect = new Rectangle(this._size); - return this.getContext().getImageData(rect.x, rect.y, - rect.width, rect.height); - }, - - setImageData: function(data ) { - var point = Point.read(arguments, 1); - this.getContext(true).putImageData(data, point.x, point.y); - }, - - _getBounds: function(getter, matrix) { - var rect = new Rectangle(this._size).setCenter(0, 0); - return matrix ? matrix._transformBounds(rect) : rect; - }, - - _hitTest: function(point) { - if (this._contains(point)) { - var that = this; - return new HitResult('pixel', that, { - offset: point.add(that._size.divide(2)).round(), - color: { - get: function() { - return that.getPixel(this.offset); - } - } - }); - } - }, - - _draw: function(ctx) { - var element = this.getElement(); - if (element) { - ctx.globalAlpha = this._opacity; - ctx.drawImage(element, - -this._size.width / 2, -this._size.height / 2); - } - }, - - _canComposite: function() { - return true; - } -}); - -var PlacedSymbol = Item.extend({ - _class: 'PlacedSymbol', - _applyMatrix: false, - _canApplyMatrix: false, - _boundsGetter: { getBounds: 'getStrokeBounds' }, - _boundsSelected: true, - _serializeFields: { - symbol: null - }, - - initialize: function PlacedSymbol(arg0, arg1) { - if (!this._initialize(arg0, - arg1 !== undefined && Point.read(arguments, 1))) - this.setSymbol(arg0 instanceof Symbol ? arg0 : new Symbol(arg0)); - }, - - _equals: function(item) { - return this._symbol === item._symbol; - }, - - getSymbol: function() { - return this._symbol; - }, - - setSymbol: function(symbol) { - this._symbol = symbol; - this._changed(9); - }, - - clone: function(insert) { - var copy = new PlacedSymbol(Item.NO_INSERT); - copy.setSymbol(this._symbol); - return this._clone(copy, insert); - }, - - isEmpty: function() { - return this._symbol._definition.isEmpty(); - }, - - _getBounds: function(getter, matrix, cacheItem) { - return this.symbol._definition._getCachedBounds(getter, matrix, - cacheItem); - }, - - _hitTest: function(point, options, matrix) { - var res = this._symbol._definition._hitTest(point, options, matrix); - if (res) - res.item = this; - return res; - }, - - _draw: function(ctx, param) { - this.symbol._definition.draw(ctx, param); - } - -}); - -var HitResult = Base.extend({ - _class: 'HitResult', - - initialize: function HitResult(type, item, values) { - this.type = type; - this.item = item; - if (values) { - values.enumerable = true; - this.inject(values); - } - }, - - statics: { - getOptions: function(options) { - return options && options._merged ? options : new Base({ - type: null, - tolerance: paper.settings.hitTolerance, - fill: !options, - stroke: !options, - segments: !options, - handles: false, - ends: false, - center: false, - bounds: false, - guides: false, - selected: false, - _merged: true - }, options); - } - } -}); - -var Segment = Base.extend({ - _class: 'Segment', - - initialize: function Segment(arg0, arg1, arg2, arg3, arg4, arg5) { - var count = arguments.length, - point, handleIn, handleOut; - if (count === 0) { - } else if (count === 1) { - if (arg0.point) { - point = arg0.point; - handleIn = arg0.handleIn; - handleOut = arg0.handleOut; - } else { - point = arg0; - } - } else if (count === 2 && typeof arg0 === 'number') { - point = arguments; - } else if (count <= 3) { - point = arg0; - handleIn = arg1; - handleOut = arg2; - } else { - point = arg0 !== undefined ? [ arg0, arg1 ] : null; - handleIn = arg2 !== undefined ? [ arg2, arg3 ] : null; - handleOut = arg4 !== undefined ? [ arg4, arg5 ] : null; - } - new SegmentPoint(point, this, '_point'); - new SegmentPoint(handleIn, this, '_handleIn'); - new SegmentPoint(handleOut, this, '_handleOut'); - }, - - _serialize: function(options) { - return Base.serialize(this.isLinear() ? this._point - : [this._point, this._handleIn, this._handleOut], options, true); - }, - - _changed: function(point) { - var path = this._path; - if (!path) - return; - var curves = path._curves, - index = this._index, - curveIn, curveOut; - if (curves) { - if ((!point || point === this._point || point === this._handleIn) - && (curveIn = curves[index - 1] - || path._closed && curves[curves.length - 1])) - curveIn._changed(); - if ((!point || point === this._point || point === this._handleOut) - && (curveOut = curves[index])) - curveOut._changed(); - } - path._changed(25); - }, - - getPoint: function() { - return this._point; - }, - - setPoint: function() { - var point = Point.read(arguments); - this._point.set(point.x, point.y); - }, - - getHandleIn: function() { - return this._handleIn; - }, - - setHandleIn: function() { - var point = Point.read(arguments); - this._handleIn.set(point.x, point.y); - }, - - getHandleOut: function() { - return this._handleOut; - }, - - setHandleOut: function() { - var point = Point.read(arguments); - this._handleOut.set(point.x, point.y); - }, - - isLinear: function() { - return this._handleIn.isZero() && this._handleOut.isZero(); - }, - - setLinear: function() { - this._handleIn.set(0, 0); - this._handleOut.set(0, 0); - }, - - isColinear: function(segment) { - var next1 = this.getNext(), - next2 = segment.getNext(); - return this._handleOut.isZero() && next1._handleIn.isZero() - && segment._handleOut.isZero() && next2._handleIn.isZero() - && next1._point.subtract(this._point).isColinear( - next2._point.subtract(segment._point)); - }, - - isOrthogonal: function() { - var prev = this.getPrevious(), - next = this.getNext(); - return prev._handleOut.isZero() && this._handleIn.isZero() - && this._handleOut.isZero() && next._handleIn.isZero() - && this._point.subtract(prev._point).isOrthogonal( - next._point.subtract(this._point)); - }, - - isArc: function() { - var next = this.getNext(), - handle1 = this._handleOut, - handle2 = next._handleIn, - kappa = 0.5522847498307936; - if (handle1.isOrthogonal(handle2)) { - var from = this._point, - to = next._point, - corner = new Line(from, handle1, true).intersect( - new Line(to, handle2, true), true); - return corner && Numerical.isZero(handle1.getLength() / - corner.subtract(from).getLength() - kappa) - && Numerical.isZero(handle2.getLength() / - corner.subtract(to).getLength() - kappa); - } - return false; - }, - - _selectionState: 0, - - isSelected: function(_point) { - var state = this._selectionState; - return !_point ? !!(state & 7) - : _point === this._point ? !!(state & 4) - : _point === this._handleIn ? !!(state & 1) - : _point === this._handleOut ? !!(state & 2) - : false; - }, - - setSelected: function(selected, _point) { - var path = this._path, - selected = !!selected, - state = this._selectionState, - oldState = state, - flag = !_point ? 7 - : _point === this._point ? 4 - : _point === this._handleIn ? 1 - : _point === this._handleOut ? 2 - : 0; - if (selected) { - state |= flag; - } else { - state &= ~flag; - } - this._selectionState = state; - if (path && state !== oldState) { - path._updateSelection(this, oldState, state); - path._changed(129); - } - }, - - getIndex: function() { - return this._index !== undefined ? this._index : null; - }, - - getPath: function() { - return this._path || null; - }, - - getCurve: function() { - var path = this._path, - index = this._index; - if (path) { - if (!path._closed && index == path._segments.length - 1) - index--; - return path.getCurves()[index] || null; - } - return null; - }, - - getLocation: function() { - var curve = this.getCurve(); - return curve ? new CurveLocation(curve, curve.getNext() ? 0 : 1) : null; - }, - - getNext: function() { - var segments = this._path && this._path._segments; - return segments && (segments[this._index + 1] - || this._path._closed && segments[0]) || null; - }, - - getPrevious: function() { - var segments = this._path && this._path._segments; - return segments && (segments[this._index - 1] - || this._path._closed && segments[segments.length - 1]) || null; - }, - - reverse: function() { - return new Segment(this._point, this._handleOut, this._handleIn); - }, - - remove: function() { - return this._path ? !!this._path.removeSegment(this._index) : false; - }, - - clone: function() { - return new Segment(this._point, this._handleIn, this._handleOut); - }, - - equals: function(segment) { - return segment === this || segment && this._class === segment._class - && this._point.equals(segment._point) - && this._handleIn.equals(segment._handleIn) - && this._handleOut.equals(segment._handleOut) - || false; - }, - - toString: function() { - var parts = [ 'point: ' + this._point ]; - if (!this._handleIn.isZero()) - parts.push('handleIn: ' + this._handleIn); - if (!this._handleOut.isZero()) - parts.push('handleOut: ' + this._handleOut); - return '{ ' + parts.join(', ') + ' }'; - }, - - transform: function(matrix) { - this._transformCoordinates(matrix, new Array(6), true); - this._changed(); - }, - - _transformCoordinates: function(matrix, coords, change) { - var point = this._point, - handleIn = !change || !this._handleIn.isZero() - ? this._handleIn : null, - handleOut = !change || !this._handleOut.isZero() - ? this._handleOut : null, - x = point._x, - y = point._y, - i = 2; - coords[0] = x; - coords[1] = y; - if (handleIn) { - coords[i++] = handleIn._x + x; - coords[i++] = handleIn._y + y; - } - if (handleOut) { - coords[i++] = handleOut._x + x; - coords[i++] = handleOut._y + y; - } - if (matrix) { - matrix._transformCoordinates(coords, 0, coords, 0, i / 2); - x = coords[0]; - y = coords[1]; - if (change) { - point._x = x; - point._y = y; - i = 2; - if (handleIn) { - handleIn._x = coords[i++] - x; - handleIn._y = coords[i++] - y; - } - if (handleOut) { - handleOut._x = coords[i++] - x; - handleOut._y = coords[i++] - y; - } - } else { - if (!handleIn) { - coords[i++] = x; - coords[i++] = y; - } - if (!handleOut) { - coords[i++] = x; - coords[i++] = y; - } - } - } - return coords; - } -}); - -var SegmentPoint = Point.extend({ - initialize: function SegmentPoint(point, owner, key) { - var x, y, selected; - if (!point) { - x = y = 0; - } else if ((x = point[0]) !== undefined) { - y = point[1]; - } else { - var pt = point; - if ((x = pt.x) === undefined) { - pt = Point.read(arguments); - x = pt.x; - } - y = pt.y; - selected = pt.selected; - } - this._x = x; - this._y = y; - this._owner = owner; - owner[key] = this; - if (selected) - this.setSelected(true); - }, - - set: function(x, y) { - this._x = x; - this._y = y; - this._owner._changed(this); - return this; - }, - - _serialize: function(options) { - var f = options.formatter, - x = f.number(this._x), - y = f.number(this._y); - return this.isSelected() - ? { x: x, y: y, selected: true } - : [x, y]; - }, - - getX: function() { - return this._x; - }, - - setX: function(x) { - this._x = x; - this._owner._changed(this); - }, - - getY: function() { - return this._y; - }, - - setY: function(y) { - this._y = y; - this._owner._changed(this); - }, - - isZero: function() { - return Numerical.isZero(this._x) && Numerical.isZero(this._y); - }, - - setSelected: function(selected) { - this._owner.setSelected(selected, this); - }, - - isSelected: function() { - return this._owner.isSelected(this); - } -}); - -var Curve = Base.extend({ - _class: 'Curve', - initialize: function Curve(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) { - var count = arguments.length; - if (count === 3) { - this._path = arg0; - this._segment1 = arg1; - this._segment2 = arg2; - } else if (count === 0) { - this._segment1 = new Segment(); - this._segment2 = new Segment(); - } else if (count === 1) { - this._segment1 = new Segment(arg0.segment1); - this._segment2 = new Segment(arg0.segment2); - } else if (count === 2) { - this._segment1 = new Segment(arg0); - this._segment2 = new Segment(arg1); - } else { - var point1, handle1, handle2, point2; - if (count === 4) { - point1 = arg0; - handle1 = arg1; - handle2 = arg2; - point2 = arg3; - } else if (count === 8) { - point1 = [arg0, arg1]; - point2 = [arg6, arg7]; - handle1 = [arg2 - arg0, arg3 - arg1]; - handle2 = [arg4 - arg6, arg5 - arg7]; - } - this._segment1 = new Segment(point1, null, handle1); - this._segment2 = new Segment(point2, handle2, null); - } - }, - - _changed: function() { - this._length = this._bounds = undefined; - }, - - getPoint1: function() { - return this._segment1._point; - }, - - setPoint1: function() { - var point = Point.read(arguments); - this._segment1._point.set(point.x, point.y); - }, - - getPoint2: function() { - return this._segment2._point; - }, - - setPoint2: function() { - var point = Point.read(arguments); - this._segment2._point.set(point.x, point.y); - }, - - getHandle1: function() { - return this._segment1._handleOut; - }, - - setHandle1: function() { - var point = Point.read(arguments); - this._segment1._handleOut.set(point.x, point.y); - }, - - getHandle2: function() { - return this._segment2._handleIn; - }, - - setHandle2: function() { - var point = Point.read(arguments); - this._segment2._handleIn.set(point.x, point.y); - }, - - getSegment1: function() { - return this._segment1; - }, - - getSegment2: function() { - return this._segment2; - }, - - getPath: function() { - return this._path; - }, - - getIndex: function() { - return this._segment1._index; - }, - - getNext: function() { - var curves = this._path && this._path._curves; - return curves && (curves[this._segment1._index + 1] - || this._path._closed && curves[0]) || null; - }, - - getPrevious: function() { - var curves = this._path && this._path._curves; - return curves && (curves[this._segment1._index - 1] - || this._path._closed && curves[curves.length - 1]) || null; - }, - - isSelected: function() { - return this.getPoint1().isSelected() - && this.getHandle2().isSelected() - && this.getHandle2().isSelected() - && this.getPoint2().isSelected(); - }, - - setSelected: function(selected) { - this.getPoint1().setSelected(selected); - this.getHandle1().setSelected(selected); - this.getHandle2().setSelected(selected); - this.getPoint2().setSelected(selected); - }, - - getValues: function(matrix) { - return Curve.getValues(this._segment1, this._segment2, matrix); - }, - - getPoints: function() { - var coords = this.getValues(), - points = []; - for (var i = 0; i < 8; i += 2) - points.push(new Point(coords[i], coords[i + 1])); - return points; - }, - - getLength: function() { - if (this._length == null) { - this._length = this.isLinear() - ? this._segment2._point.getDistance(this._segment1._point) - : Curve.getLength(this.getValues(), 0, 1); - } - return this._length; - }, - - getArea: function() { - return Curve.getArea(this.getValues()); - }, - - getPart: function(from, to) { - return new Curve(Curve.getPart(this.getValues(), from, to)); - }, - - getPartLength: function(from, to) { - return Curve.getLength(this.getValues(), from, to); - }, - - isLinear: function() { - return this._segment1._handleOut.isZero() - && this._segment2._handleIn.isZero(); - }, - - isHorizontal: function() { - return this.isLinear() && Numerical.isZero( - this._segment1._point._y - this._segment2._point._y); - }, - - getIntersections: function(curve) { - return Curve.getIntersections(this.getValues(), curve.getValues(), - this, curve, []); - }, - - _getParameter: function(offset, isParameter) { - return isParameter - ? offset - : offset && offset.curve === this - ? offset.parameter - : offset === undefined && isParameter === undefined - ? 0.5 - : this.getParameterAt(offset, 0); - }, - - divide: function(offset, isParameter, ignoreLinear) { - var parameter = this._getParameter(offset, isParameter), - tolerance = 0.00001, - res = null; - if (parameter > tolerance && parameter < 1 - tolerance) { - var parts = Curve.subdivide(this.getValues(), parameter), - isLinear = ignoreLinear ? false : this.isLinear(), - left = parts[0], - right = parts[1]; - - if (!isLinear) { - this._segment1._handleOut.set(left[2] - left[0], - left[3] - left[1]); - this._segment2._handleIn.set(right[4] - right[6], - right[5] - right[7]); - } - - var x = left[6], y = left[7], - segment = new Segment(new Point(x, y), - !isLinear && new Point(left[4] - x, left[5] - y), - !isLinear && new Point(right[2] - x, right[3] - y)); - - if (this._path) { - if (this._segment1._index > 0 && this._segment2._index === 0) { - this._path.add(segment); - } else { - this._path.insert(this._segment2._index, segment); - } - res = this; - } else { - var end = this._segment2; - this._segment2 = segment; - res = new Curve(segment, end); - } - } - return res; - }, - - split: function(offset, isParameter) { - return this._path - ? this._path.split(this._segment1._index, - this._getParameter(offset, isParameter)) - : null; - }, - - reverse: function() { - return new Curve(this._segment2.reverse(), this._segment1.reverse()); - }, - - remove: function() { - var removed = false; - if (this._path) { - var segment2 = this._segment2, - handleOut = segment2._handleOut; - removed = segment2.remove(); - if (removed) - this._segment1._handleOut.set(handleOut.x, handleOut.y); - } - return removed; - }, - - clone: function() { - return new Curve(this._segment1, this._segment2); - }, - - toString: function() { - var parts = [ 'point1: ' + this._segment1._point ]; - if (!this._segment1._handleOut.isZero()) - parts.push('handle1: ' + this._segment1._handleOut); - if (!this._segment2._handleIn.isZero()) - parts.push('handle2: ' + this._segment2._handleIn); - parts.push('point2: ' + this._segment2._point); - return '{ ' + parts.join(', ') + ' }'; - }, - -statics: { - getValues: function(segment1, segment2, matrix) { - var p1 = segment1._point, - h1 = segment1._handleOut, - h2 = segment2._handleIn, - p2 = segment2._point, - values = [ - p1._x, p1._y, - p1._x + h1._x, p1._y + h1._y, - p2._x + h2._x, p2._y + h2._y, - p2._x, p2._y - ]; - if (matrix) - matrix._transformCoordinates(values, 0, values, 0, 6); - return values; - }, - - evaluate: function(v, t, type) { - var p1x = v[0], p1y = v[1], - c1x = v[2], c1y = v[3], - c2x = v[4], c2y = v[5], - p2x = v[6], p2y = v[7], - tolerance = 0.00001, - x, y; - - if (type === 0 && (t < tolerance || t > 1 - tolerance)) { - var isZero = t < tolerance; - x = isZero ? p1x : p2x; - y = isZero ? p1y : p2y; - } else { - var cx = 3 * (c1x - p1x), - bx = 3 * (c2x - c1x) - cx, - ax = p2x - p1x - cx - bx, - - cy = 3 * (c1y - p1y), - by = 3 * (c2y - c1y) - cy, - ay = p2y - p1y - cy - by; - if (type === 0) { - x = ((ax * t + bx) * t + cx) * t + p1x; - y = ((ay * t + by) * t + cy) * t + p1y; - } else { - if (t < tolerance && c1x === p1x && c1y === p1y - || t > 1 - tolerance && c2x === p2x && c2y === p2y) { - x = p2x - p1x; - y = p2y - p1y; - } else if (t < tolerance) { - x = cx; - y = cy; - } else if (t > 1 - tolerance) { - x = 3 * (p2x - c2x); - y = 3 * (p2y - c2y); - } else { - x = (3 * ax * t + 2 * bx) * t + cx; - y = (3 * ay * t + 2 * by) * t + cy; - } - if (type === 3) { - var x2 = 6 * ax * t + 2 * bx, - y2 = 6 * ay * t + 2 * by; - return (x * y2 - y * x2) / Math.pow(x * x + y * y, 3 / 2); - } - } - } - return type === 2 ? new Point(y, -x) : new Point(x, y); - }, - - subdivide: function(v, t) { - var p1x = v[0], p1y = v[1], - c1x = v[2], c1y = v[3], - c2x = v[4], c2y = v[5], - p2x = v[6], p2y = v[7]; - if (t === undefined) - t = 0.5; - var u = 1 - t, - p3x = u * p1x + t * c1x, p3y = u * p1y + t * c1y, - p4x = u * c1x + t * c2x, p4y = u * c1y + t * c2y, - p5x = u * c2x + t * p2x, p5y = u * c2y + t * p2y, - p6x = u * p3x + t * p4x, p6y = u * p3y + t * p4y, - p7x = u * p4x + t * p5x, p7y = u * p4y + t * p5y, - p8x = u * p6x + t * p7x, p8y = u * p6y + t * p7y; - return [ - [p1x, p1y, p3x, p3y, p6x, p6y, p8x, p8y], - [p8x, p8y, p7x, p7y, p5x, p5y, p2x, p2y] - ]; - }, - - solveCubic: function (v, coord, val, roots, min, max) { - var p1 = v[coord], - c1 = v[coord + 2], - c2 = v[coord + 4], - p2 = v[coord + 6], - c = 3 * (c1 - p1), - b = 3 * (c2 - c1) - c, - a = p2 - p1 - c - b; - return Numerical.solveCubic(a, b, c, p1 - val, roots, min, max); - }, - - getParameterOf: function(v, x, y) { - var tolerance = 0.00001; - if (Math.abs(v[0] - x) < tolerance && Math.abs(v[1] - y) < tolerance) - return 0; - if (Math.abs(v[6] - x) < tolerance && Math.abs(v[7] - y) < tolerance) - return 1; - var txs = [], - tys = [], - sx = Curve.solveCubic(v, 0, x, txs), - sy = Curve.solveCubic(v, 1, y, tys), - tx, ty; - for (var cx = 0; sx == -1 || cx < sx;) { - if (sx == -1 || (tx = txs[cx++]) >= 0 && tx <= 1) { - for (var cy = 0; sy == -1 || cy < sy;) { - if (sy == -1 || (ty = tys[cy++]) >= 0 && ty <= 1) { - if (sx == -1) tx = ty; - else if (sy == -1) ty = tx; - if (Math.abs(tx - ty) < tolerance) - return (tx + ty) * 0.5; - } - } - if (sx == -1) - break; - } - } - return null; - }, - - getPart: function(v, from, to) { - if (from > 0) - v = Curve.subdivide(v, from)[1]; - if (to < 1) - v = Curve.subdivide(v, (to - from) / (1 - from))[0]; - return v; - }, - - isLinear: function(v) { - var isZero = Numerical.isZero; - return isZero(v[0] - v[2]) && isZero(v[1] - v[3]) - && isZero(v[4] - v[6]) && isZero(v[5] - v[7]); - }, - - isFlatEnough: function(v, tolerance) { - var p1x = v[0], p1y = v[1], - c1x = v[2], c1y = v[3], - c2x = v[4], c2y = v[5], - p2x = v[6], p2y = v[7], - ux = 3 * c1x - 2 * p1x - p2x, - uy = 3 * c1y - 2 * p1y - p2y, - vx = 3 * c2x - 2 * p2x - p1x, - vy = 3 * c2y - 2 * p2y - p1y; - return Math.max(ux * ux, vx * vx) + Math.max(uy * uy, vy * vy) - < 10 * tolerance * tolerance; - }, - - getArea: function(v) { - var p1x = v[0], p1y = v[1], - c1x = v[2], c1y = v[3], - c2x = v[4], c2y = v[5], - p2x = v[6], p2y = v[7]; - return ( 3.0 * c1y * p1x - 1.5 * c1y * c2x - - 1.5 * c1y * p2x - 3.0 * p1y * c1x - - 1.5 * p1y * c2x - 0.5 * p1y * p2x - + 1.5 * c2y * p1x + 1.5 * c2y * c1x - - 3.0 * c2y * p2x + 0.5 * p2y * p1x - + 1.5 * p2y * c1x + 3.0 * p2y * c2x) / 10; - }, - - getBounds: function(v) { - var min = v.slice(0, 2), - max = min.slice(), - roots = [0, 0]; - for (var i = 0; i < 2; i++) - Curve._addBounds(v[i], v[i + 2], v[i + 4], v[i + 6], - i, 0, min, max, roots); - return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]); - }, - - _addBounds: function(v0, v1, v2, v3, coord, padding, min, max, roots) { - function add(value, padding) { - var left = value - padding, - right = value + padding; - if (left < min[coord]) - min[coord] = left; - if (right > max[coord]) - max[coord] = right; - } - var a = 3 * (v1 - v2) - v0 + v3, - b = 2 * (v0 + v2) - 4 * v1, - c = v1 - v0, - count = Numerical.solveQuadratic(a, b, c, roots), - tMin = 0.00001, - tMax = 1 - tMin; - add(v3, 0); - for (var i = 0; i < count; i++) { - var t = roots[i], - u = 1 - t; - if (tMin < t && t < tMax) - add(u * u * u * v0 - + 3 * u * u * t * v1 - + 3 * u * t * t * v2 - + t * t * t * v3, - padding); - } - } -}}, Base.each(['getBounds', 'getStrokeBounds', 'getHandleBounds', 'getRoughBounds'], - function(name) { - this[name] = function() { - if (!this._bounds) - this._bounds = {}; - var bounds = this._bounds[name]; - if (!bounds) { - bounds = this._bounds[name] = Path[name]([this._segment1, - this._segment2], false, this._path.getStyle()); - } - return bounds.clone(); - }; - }, -{ - -}), Base.each(['getPoint', 'getTangent', 'getNormal', 'getCurvature'], - function(name, index) { - this[name + 'At'] = function(offset, isParameter) { - var values = this.getValues(); - return Curve.evaluate(values, isParameter - ? offset : Curve.getParameterAt(values, offset, 0), index); - }; - this[name] = function(parameter) { - return Curve.evaluate(this.getValues(), parameter, index); - }; - }, -{ - getParameterAt: function(offset, start) { - return Curve.getParameterAt(this.getValues(), offset, - start !== undefined ? start : offset < 0 ? 1 : 0); - }, - - getParameterOf: function(point) { - var point = Point.read(arguments); - return Curve.getParameterOf(this.getValues(), point.x, point.y); - }, - - getLocationAt: function(offset, isParameter) { - if (!isParameter) - offset = this.getParameterAt(offset); - return new CurveLocation(this, offset); - }, - - getLocationOf: function(point) { - var point = Point.read(arguments), - t = this.getParameterOf(point); - return t != null ? new CurveLocation(this, t) : null; - }, - - getNearestLocation: function(point) { - var point = Point.read(arguments), - values = this.getValues(), - count = 100, - minDist = Infinity, - minT = 0; - - function refine(t) { - if (t >= 0 && t <= 1) { - var dist = point.getDistance( - Curve.evaluate(values, t, 0), true); - if (dist < minDist) { - minDist = dist; - minT = t; - return true; - } - } - } - - for (var i = 0; i <= count; i++) - refine(i / count); - - var step = 1 / (count * 2); - while (step > 0.00001) { - if (!refine(minT - step) && !refine(minT + step)) - step /= 2; - } - var pt = Curve.evaluate(values, minT, 0); - return new CurveLocation(this, minT, pt, null, null, null, - point.getDistance(pt)); - }, - - getNearestPoint: function(point) { - var point = Point.read(arguments); - return this.getNearestLocation(point).getPoint(); - } - -}), -new function() { - - function getLengthIntegrand(v) { - var p1x = v[0], p1y = v[1], - c1x = v[2], c1y = v[3], - c2x = v[4], c2y = v[5], - p2x = v[6], p2y = v[7], - - ax = 9 * (c1x - c2x) + 3 * (p2x - p1x), - bx = 6 * (p1x + c2x) - 12 * c1x, - cx = 3 * (c1x - p1x), - - ay = 9 * (c1y - c2y) + 3 * (p2y - p1y), - by = 6 * (p1y + c2y) - 12 * c1y, - cy = 3 * (c1y - p1y); - - return function(t) { - var dx = (ax * t + bx) * t + cx, - dy = (ay * t + by) * t + cy; - return Math.sqrt(dx * dx + dy * dy); - }; - } - - function getIterations(a, b) { - return Math.max(2, Math.min(16, Math.ceil(Math.abs(b - a) * 32))); - } - - return { - statics: true, - - getLength: function(v, a, b) { - if (a === undefined) - a = 0; - if (b === undefined) - b = 1; - var isZero = Numerical.isZero; - if (a === 0 && b === 1 - && isZero(v[0] - v[2]) && isZero(v[1] - v[3]) - && isZero(v[6] - v[4]) && isZero(v[7] - v[5])) { - var dx = v[6] - v[0], - dy = v[7] - v[1]; - return Math.sqrt(dx * dx + dy * dy); - } - var ds = getLengthIntegrand(v); - return Numerical.integrate(ds, a, b, getIterations(a, b)); - }, - - getParameterAt: function(v, offset, start) { - if (offset === 0) - return start; - var forward = offset > 0, - a = forward ? start : 0, - b = forward ? 1 : start, - offset = Math.abs(offset), - ds = getLengthIntegrand(v), - rangeLength = Numerical.integrate(ds, a, b, - getIterations(a, b)); - if (offset >= rangeLength) - return forward ? b : a; - var guess = offset / rangeLength, - length = 0; - function f(t) { - var count = getIterations(start, t); - length += start < t - ? Numerical.integrate(ds, start, t, count) - : -Numerical.integrate(ds, t, start, count); - start = t; - return length - offset; - } - return Numerical.findRoot(f, ds, - forward ? a + guess : b - guess, - a, b, 16, 0.00001); - } - }; -}, new function() { - function addLocation(locations, include, curve1, t1, point1, curve2, t2, - point2) { - var loc = new CurveLocation(curve1, t1, point1, curve2, t2, point2); - if (!include || include(loc)) - locations.push(loc); - } - - function addCurveIntersections(v1, v2, curve1, curve2, locations, include, - tMin, tMax, uMin, uMax, oldTDiff, reverse, recursion) { - if (recursion > 20) - return; - var q0x = v2[0], q0y = v2[1], q3x = v2[6], q3y = v2[7], - tolerance = 0.00001, - hullEpsilon = 1e-9, - getSignedDistance = Line.getSignedDistance, - d1 = getSignedDistance(q0x, q0y, q3x, q3y, v2[2], v2[3]) || 0, - d2 = getSignedDistance(q0x, q0y, q3x, q3y, v2[4], v2[5]) || 0, - factor = d1 * d2 > 0 ? 3 / 4 : 4 / 9, - dMin = factor * Math.min(0, d1, d2), - dMax = factor * Math.max(0, d1, d2), - dp0 = getSignedDistance(q0x, q0y, q3x, q3y, v1[0], v1[1]), - dp1 = getSignedDistance(q0x, q0y, q3x, q3y, v1[2], v1[3]), - dp2 = getSignedDistance(q0x, q0y, q3x, q3y, v1[4], v1[5]), - dp3 = getSignedDistance(q0x, q0y, q3x, q3y, v1[6], v1[7]), - tMinNew, tMaxNew, tDiff; - if (q0x === q3x && uMax - uMin <= hullEpsilon && recursion > 3) { - tMinNew = (tMax + tMin) / 2; - tMaxNew = tMinNew; - tDiff = 0; - } else { - var hull = getConvexHull(dp0, dp1, dp2, dp3), - top = hull[0], - bottom = hull[1], - tMinClip, tMaxClip; - tMinClip = clipConvexHull(top, bottom, dMin, dMax); - top.reverse(); - bottom.reverse(); - tMaxClip = clipConvexHull(top, bottom, dMin, dMax); - if (tMinClip == null || tMaxClip == null) - return false; - v1 = Curve.getPart(v1, tMinClip, tMaxClip); - tDiff = tMaxClip - tMinClip; - tMinNew = tMax * tMinClip + tMin * (1 - tMinClip); - tMaxNew = tMax * tMaxClip + tMin * (1 - tMaxClip); - } - if (oldTDiff > 0.8 && tDiff > 0.8) { - if (tMaxNew - tMinNew > uMax - uMin) { - var parts = Curve.subdivide(v1, 0.5), - t = tMinNew + (tMaxNew - tMinNew) / 2; - addCurveIntersections( - v2, parts[0], curve2, curve1, locations, include, - uMin, uMax, tMinNew, t, tDiff, !reverse, ++recursion); - addCurveIntersections( - v2, parts[1], curve2, curve1, locations, include, - uMin, uMax, t, tMaxNew, tDiff, !reverse, recursion); - } else { - var parts = Curve.subdivide(v2, 0.5), - t = uMin + (uMax - uMin) / 2; - addCurveIntersections( - parts[0], v1, curve2, curve1, locations, include, - uMin, t, tMinNew, tMaxNew, tDiff, !reverse, ++recursion); - addCurveIntersections( - parts[1], v1, curve2, curve1, locations, include, - t, uMax, tMinNew, tMaxNew, tDiff, !reverse, recursion); - } - } else if (Math.max(uMax - uMin, tMaxNew - tMinNew) < tolerance) { - var t1 = tMinNew + (tMaxNew - tMinNew) / 2, - t2 = uMin + (uMax - uMin) / 2; - if (reverse) { - addLocation(locations, include, - curve2, t2, Curve.evaluate(v2, t2, 0), - curve1, t1, Curve.evaluate(v1, t1, 0)); - } else { - addLocation(locations, include, - curve1, t1, Curve.evaluate(v1, t1, 0), - curve2, t2, Curve.evaluate(v2, t2, 0)); - } - } else { - addCurveIntersections(v2, v1, curve2, curve1, locations, include, - uMin, uMax, tMinNew, tMaxNew, tDiff, !reverse, ++recursion); - } - } - - function getConvexHull(dq0, dq1, dq2, dq3) { - var p0 = [ 0, dq0 ], - p1 = [ 1 / 3, dq1 ], - p2 = [ 2 / 3, dq2 ], - p3 = [ 1, dq3 ], - getSignedDistance = Line.getSignedDistance, - dist1 = getSignedDistance(0, dq0, 1, dq3, 1 / 3, dq1), - dist2 = getSignedDistance(0, dq0, 1, dq3, 2 / 3, dq2), - flip = false, - hull; - if (dist1 * dist2 < 0) { - hull = [[p0, p1, p3], [p0, p2, p3]]; - flip = dist1 < 0; - } else { - var pmax, cross = 0, - distZero = dist1 === 0 || dist2 === 0; - if (Math.abs(dist1) > Math.abs(dist2)) { - pmax = p1; - cross = (dq3 - dq2 - (dq3 - dq0) / 3) - * (2 * (dq3 - dq2) - dq3 + dq1) / 3; - } else { - pmax = p2; - cross = (dq1 - dq0 + (dq0 - dq3) / 3) - * (-2 * (dq0 - dq1) + dq0 - dq2) / 3; - } - hull = cross < 0 || distZero - ? [[p0, pmax, p3], [p0, p3]] - : [[p0, p1, p2, p3], [p0, p3]]; - flip = dist1 ? dist1 < 0 : dist2 < 0; - } - return flip ? hull.reverse() : hull; - } - - function clipConvexHull(hullTop, hullBottom, dMin, dMax) { - var tProxy, - tVal = null, - px, py, - qx, qy; - for (var i = 0, l = hullBottom.length - 1; i < l; i++) { - py = hullBottom[i][1]; - qy = hullBottom[i + 1][1]; - if (py < qy) { - tProxy = null; - } else if (qy <= dMax) { - px = hullBottom[i][0]; - qx = hullBottom[i + 1][0]; - tProxy = px + (dMax - py) * (qx - px) / (qy - py); - } else { - continue; - } - break; - } - if (hullTop[0][1] <= dMax) - tProxy = hullTop[0][0]; - for (var i = 0, l = hullTop.length - 1; i < l; i++) { - py = hullTop[i][1]; - qy = hullTop[i + 1][1]; - if (py >= dMin) { - tVal = tProxy; - } else if (py > qy) { - tVal = null; - } else if (qy >= dMin) { - px = hullTop[i][0]; - qx = hullTop[i + 1][0]; - tVal = px + (dMin - py) * (qx - px) / (qy - py); - } else { - continue; - } - break; - } - return tVal; - } - - function addCurveLineIntersections(v1, v2, curve1, curve2, locations, - include) { - var flip = Curve.isLinear(v1), - vc = flip ? v2 : v1, - vl = flip ? v1 : v2, - lx1 = vl[0], ly1 = vl[1], - lx2 = vl[6], ly2 = vl[7], - ldx = lx2 - lx1, - ldy = ly2 - ly1, - angle = Math.atan2(-ldy, ldx), - sin = Math.sin(angle), - cos = Math.cos(angle), - rlx2 = ldx * cos - ldy * sin, - rvl = [0, 0, 0, 0, rlx2, 0, rlx2, 0], - rvc = []; - for(var i = 0; i < 8; i += 2) { - var x = vc[i] - lx1, - y = vc[i + 1] - ly1; - rvc.push( - x * cos - y * sin, - y * cos + x * sin); - } - var roots = [], - count = Curve.solveCubic(rvc, 1, 0, roots, 0, 1); - for (var i = 0; i < count; i++) { - var tc = roots[i], - x = Curve.evaluate(rvc, tc, 0).x; - if (x >= 0 && x <= rlx2) { - var tl = Curve.getParameterOf(rvl, x, 0), - t1 = flip ? tl : tc, - t2 = flip ? tc : tl; - addLocation(locations, include, - curve1, t1, Curve.evaluate(v1, t1, 0), - curve2, t2, Curve.evaluate(v2, t2, 0)); - } - } - } - - function addLineIntersection(v1, v2, curve1, curve2, locations, include) { - var point = Line.intersect( - v1[0], v1[1], v1[6], v1[7], - v2[0], v2[1], v2[6], v2[7]); - if (point) { - var x = point.x, - y = point.y; - addLocation(locations, include, - curve1, Curve.getParameterOf(v1, x, y), point, - curve2, Curve.getParameterOf(v2, x, y), point); - } - } - - return { statics: { - getIntersections: function(v1, v2, curve1, curve2, locations, include) { - var linear1 = Curve.isLinear(v1), - linear2 = Curve.isLinear(v2); - (linear1 && linear2 - ? addLineIntersection - : linear1 || linear2 - ? addCurveLineIntersections - : addCurveIntersections)( - v1, v2, curve1, curve2, locations, include, - 0, 1, 0, 1, 0, false, 0); - return locations; - } - }}; -}); - -var CurveLocation = Base.extend({ - _class: 'CurveLocation', - initialize: function CurveLocation(curve, parameter, point, _curve2, - _parameter2, _point2, _distance) { - this._id = CurveLocation._id = (CurveLocation._id || 0) + 1; - this._curve = curve; - this._segment1 = curve._segment1; - this._segment2 = curve._segment2; - this._parameter = parameter; - this._point = point; - this._curve2 = _curve2; - this._parameter2 = _parameter2; - this._point2 = _point2; - this._distance = _distance; - }, - - getSegment: function(_preferFirst) { - if (!this._segment) { - var curve = this.getCurve(), - parameter = this.getParameter(); - if (parameter === 1) { - this._segment = curve._segment2; - } else if (parameter === 0 || _preferFirst) { - this._segment = curve._segment1; - } else if (parameter == null) { - return null; - } else { - this._segment = curve.getLength(0, parameter) - < curve.getLength(parameter, 1) - ? curve._segment1 - : curve._segment2; - } - } - return this._segment; - }, - - setSegment: function(segment) { - this._segment = segment; - }, - - getCurve: function(_uncached) { - if (!this._curve || _uncached) { - this._curve = this._segment1.getCurve(); - if (this._curve.getParameterOf(this._point) == null) - this._curve = this._segment2.getPrevious().getCurve(); - } - return this._curve; - }, - - setCurve: function(curve) { - this._curve = curve; - }, - - getIntersection: function() { - var intersection = this._intersection; - if (!intersection && this._curve2) { - var param = this._parameter2; - this._intersection = intersection = new CurveLocation( - this._curve2, param, this._point2 || this._point, this); - intersection._intersection = this; - } - return intersection; - }, - - getPath: function() { - var curve = this.getCurve(); - return curve && curve._path; - }, - - getIndex: function() { - var curve = this.getCurve(); - return curve && curve.getIndex(); - }, - - getOffset: function() { - var path = this.getPath(); - return path && path._getOffset(this); - }, - - getCurveOffset: function() { - var curve = this.getCurve(), - parameter = this.getParameter(); - return parameter != null && curve && curve.getLength(0, parameter); - }, - - getParameter: function(_uncached) { - if ((this._parameter == null || _uncached) && this._point) { - var curve = this.getCurve(_uncached && this._point); - this._parameter = curve && curve.getParameterOf(this._point); - } - return this._parameter; - }, - - setParameter: function(parameter) { - this._parameter = parameter; - }, - - getPoint: function(_uncached) { - if ((!this._point || _uncached) && this._parameter != null) { - var curve = this.getCurve(); - this._point = curve && curve.getPointAt(this._parameter, true); - } - return this._point; - }, - - setPoint: function(point) { - this._point = point; - }, - - getTangent: function() { - var parameter = this.getParameter(), - curve = this.getCurve(); - return parameter != null && curve && curve.getTangentAt(parameter, true); - }, - - getNormal: function() { - var parameter = this.getParameter(), - curve = this.getCurve(); - return parameter != null && curve && curve.getNormalAt(parameter, true); - }, - - getDistance: function() { - return this._distance; - }, - - divide: function() { - var curve = this.getCurve(true); - return curve && curve.divide(this.getParameter(true), true); - }, - - split: function() { - var curve = this.getCurve(true); - return curve && curve.split(this.getParameter(true), true); - }, - - equals: function(loc) { - var isZero = Numerical.isZero; - return this === loc - || loc - && this._curve === loc._curve - && this._curve2 === loc._curve2 - && isZero(this._parameter - loc._parameter) - && isZero(this._parameter2 - loc._parameter2) - || false; - }, - - toString: function() { - var parts = [], - point = this.getPoint(), - f = Formatter.instance; - if (point) - parts.push('point: ' + point); - var index = this.getIndex(); - if (index != null) - parts.push('index: ' + index); - var parameter = this.getParameter(); - if (parameter != null) - parts.push('parameter: ' + f.number(parameter)); - if (this._distance != null) - parts.push('distance: ' + f.number(this._distance)); - return '{ ' + parts.join(', ') + ' }'; - } -}); - -var PathItem = Item.extend({ - _class: 'PathItem', - - initialize: function PathItem() { - }, - - getIntersections: function(path, _expand) { - if (this === path) - path = null; - if (path && !this.getBounds().touches(path.getBounds())) - return []; - var locations = [], - curves1 = this.getCurves(), - curves2 = path ? path.getCurves() : curves1, - matrix1 = this._matrix.orNullIfIdentity(), - matrix2 = path ? path._matrix.orNullIfIdentity() : matrix1, - length1 = curves1.length, - length2 = path ? curves2.length : length1, - values2 = [], - MIN = 1e-11, - MAX = 1 - 1e-11; - for (var i = 0; i < length2; i++) - values2[i] = curves2[i].getValues(matrix2); - for (var i = 0; i < length1; i++) { - var curve1 = curves1[i], - values1 = path ? curve1.getValues(matrix1) : values2[i]; - if (!path) { - var seg1 = curve1.getSegment1(), - seg2 = curve1.getSegment2(), - h1 = seg1._handleOut, - h2 = seg2._handleIn; - if (new Line(seg1._point.subtract(h1), h1.multiply(2), true) - .intersect(new Line(seg2._point.subtract(h2), - h2.multiply(2), true), false)) { - var parts = Curve.subdivide(values1); - Curve.getIntersections( - parts[0], parts[1], curve1, curve1, locations, - function(loc) { - if (loc._parameter <= MAX) { - loc._parameter /= 2; - loc._parameter2 = 0.5 + loc._parameter2 / 2; - return true; - } - } - ); - } - } - for (var j = path ? 0 : i + 1; j < length2; j++) { - Curve.getIntersections( - values1, values2[j], curve1, curves2[j], locations, - !path && (j === i + 1 || j === length2 - 1 && i === 0) - && function(loc) { - var t = loc._parameter; - return t >= MIN && t <= MAX; - } - ); - } - } - var last = locations.length - 1; - for (var i = last; i >= 0; i--) { - var loc = locations[i], - next = loc._curve.getNext(), - next2 = loc._curve2.getNext(); - if (next && loc._parameter >= MAX) { - loc._parameter = 0; - loc._curve = next; - } - if (next2 && loc._parameter2 >= MAX) { - loc._parameter2 = 0; - loc._curve2 = next2; - } - } - - function compare(loc1, loc2) { - var path1 = loc1.getPath(), - path2 = loc2.getPath(); - return path1 === path2 - ? (loc1.getIndex() + loc1.getParameter()) - - (loc2.getIndex() + loc2.getParameter()) - : path1._id - path2._id; - } - - if (last > 0) { - locations.sort(compare); - for (var i = last; i >= 0; i--) { - if (locations[i].equals(locations[i === 0 ? last : i - 1])) { - locations.splice(i, 1); - last--; - } - } - } - if (_expand) { - for (var i = last; i >= 0; i--) - locations.push(locations[i].getIntersection()); - locations.sort(compare); - } - return locations; - }, - - setPathData: function(data) { - - var parts = data.match(/[mlhvcsqtaz][^mlhvcsqtaz]*/ig), - coords, - relative = false, - previous, - control, - current = new Point(), - start = new Point(); - - function getCoord(index, coord) { - var val = +coords[index]; - if (relative) - val += current[coord]; - return val; - } - - function getPoint(index) { - return new Point( - getCoord(index, 'x'), - getCoord(index + 1, 'y') - ); - } - - this.clear(); - - for (var i = 0, l = parts.length; i < l; i++) { - var part = parts[i], - command = part[0], - lower = command.toLowerCase(); - coords = part.match(/[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g); - var length = coords && coords.length; - relative = command === lower; - if (previous === 'z' && !/[mz]/.test(lower)) - this.moveTo(current = start); - switch (lower) { - case 'm': - case 'l': - var move = lower === 'm'; - if (move && previous && previous !== 'z') - this.closePath(); - for (var j = 0; j < length; j += 2) - this[j === 0 && move ? 'moveTo' : 'lineTo']( - current = getPoint(j)); - control = current; - if (move) - start = current; - break; - case 'h': - case 'v': - var coord = lower === 'h' ? 'x' : 'y'; - for (var j = 0; j < length; j++) { - current[coord] = getCoord(j, coord); - this.lineTo(current); - } - control = current; - break; - case 'c': - for (var j = 0; j < length; j += 6) { - this.cubicCurveTo( - getPoint(j), - control = getPoint(j + 2), - current = getPoint(j + 4)); - } - break; - case 's': - for (var j = 0; j < length; j += 4) { - this.cubicCurveTo( - /[cs]/.test(previous) - ? current.multiply(2).subtract(control) - : current, - control = getPoint(j), - current = getPoint(j + 2)); - previous = lower; - } - break; - case 'q': - for (var j = 0; j < length; j += 4) { - this.quadraticCurveTo( - control = getPoint(j), - current = getPoint(j + 2)); - } - break; - case 't': - for (var j = 0; j < length; j += 2) { - this.quadraticCurveTo( - control = (/[qt]/.test(previous) - ? current.multiply(2).subtract(control) - : current), - current = getPoint(j)); - previous = lower; - } - break; - case 'a': - for (var j = 0; j < length; j += 7) { - this.arcTo(current = getPoint(j + 5), - new Size(+coords[0], +coords[1]), - +coords[2], +coords[4], +coords[3]); - } - break; - case 'z': - this.closePath(); - break; - } - previous = lower; - } - }, - - _canComposite: function() { - return !(this.hasFill() && this.hasStroke()); - }, - - _contains: function(point) { - var winding = this._getWinding(point, false, true); - return !!(this.getWindingRule() === 'evenodd' ? winding & 1 : winding); - }, - -}); - -var Path = PathItem.extend({ - _class: 'Path', - _serializeFields: { - segments: [], - closed: false - }, - - initialize: function Path(arg) { - this._closed = false; - this._segments = []; - var segments = Array.isArray(arg) - ? typeof arg[0] === 'object' - ? arg - : arguments - : arg && (arg.size === undefined && (arg.x !== undefined - || arg.point !== undefined)) - ? arguments - : null; - if (segments && segments.length > 0) { - this.setSegments(segments); - } else { - this._curves = undefined; - this._selectedSegmentState = 0; - if (!segments && typeof arg === 'string') { - this.setPathData(arg); - arg = null; - } - } - this._initialize(!segments && arg); - }, - - _equals: function(item) { - return Base.equals(this._segments, item._segments); - }, - - clone: function(insert) { - var copy = new Path(Item.NO_INSERT); - copy.setSegments(this._segments); - copy._closed = this._closed; - if (this._clockwise !== undefined) - copy._clockwise = this._clockwise; - return this._clone(copy, insert); - }, - - _changed: function _changed(flags) { - _changed.base.call(this, flags); - if (flags & 8) { - var parent = this._parent; - if (parent) - parent._currentPath = undefined; - this._length = this._clockwise = undefined; - if (this._curves && !(flags & 16)) { - for (var i = 0, l = this._curves.length; i < l; i++) - this._curves[i]._changed(); - } - this._monoCurves = undefined; - } else if (flags & 32) { - this._bounds = undefined; - } - }, - - getStyle: function() { - var parent = this._parent; - return (parent instanceof CompoundPath ? parent : this)._style; - }, - - getSegments: function() { - return this._segments; - }, - - setSegments: function(segments) { - var fullySelected = this.isFullySelected(); - this._segments.length = 0; - this._selectedSegmentState = 0; - this._curves = undefined; - if (segments && segments.length > 0) - this._add(Segment.readAll(segments)); - if (fullySelected) - this.setFullySelected(true); - }, - - getFirstSegment: function() { - return this._segments[0]; - }, - - getLastSegment: function() { - return this._segments[this._segments.length - 1]; - }, - - getCurves: function() { - var curves = this._curves, - segments = this._segments; - if (!curves) { - var length = this._countCurves(); - curves = this._curves = new Array(length); - for (var i = 0; i < length; i++) - curves[i] = new Curve(this, segments[i], - segments[i + 1] || segments[0]); - } - return curves; - }, - - getFirstCurve: function() { - return this.getCurves()[0]; - }, - - getLastCurve: function() { - var curves = this.getCurves(); - return curves[curves.length - 1]; - }, - - getPathData: function(precision) { - var segments = this._segments, - f = Formatter.instance, - parts = []; - - function addCurve(seg1, seg2, skipLine) { - var point1 = seg1._point, - point2 = seg2._point, - handle1 = seg1._handleOut, - handle2 = seg2._handleIn; - if (handle1.isZero() && handle2.isZero()) { - if (!skipLine) { - parts.push('L' + f.point(point2, precision)); - } - } else { - var end = point2.subtract(point1); - parts.push('c' + f.point(handle1, precision) - + ' ' + f.point(end.add(handle2), precision) - + ' ' + f.point(end, precision)); - } - } - - if (segments.length === 0) - return ''; - parts.push('M' + f.point(segments[0]._point)); - for (var i = 0, l = segments.length - 1; i < l; i++) - addCurve(segments[i], segments[i + 1], false); - if (this._closed) { - addCurve(segments[segments.length - 1], segments[0], true); - parts.push('z'); - } - return parts.join(''); - }, - - isClosed: function() { - return this._closed; - }, - - setClosed: function(closed) { - if (this._closed != (closed = !!closed)) { - this._closed = closed; - if (this._curves) { - var length = this._curves.length = this._countCurves(); - if (closed) - this._curves[length - 1] = new Curve(this, - this._segments[length - 1], this._segments[0]); - } - this._changed(25); - } - }, - - isEmpty: function() { - return this._segments.length === 0; - }, - - isPolygon: function() { - for (var i = 0, l = this._segments.length; i < l; i++) { - if (!this._segments[i].isLinear()) - return false; - } - return true; - }, - - _transformContent: function(matrix) { - var coords = new Array(6); - for (var i = 0, l = this._segments.length; i < l; i++) - this._segments[i]._transformCoordinates(matrix, coords, true); - return true; - }, - - _add: function(segs, index) { - var segments = this._segments, - curves = this._curves, - amount = segs.length, - append = index == null, - index = append ? segments.length : index; - for (var i = 0; i < amount; i++) { - var segment = segs[i]; - if (segment._path) - segment = segs[i] = segment.clone(); - segment._path = this; - segment._index = index + i; - if (segment._selectionState) - this._updateSelection(segment, 0, segment._selectionState); - } - if (append) { - segments.push.apply(segments, segs); - } else { - segments.splice.apply(segments, [index, 0].concat(segs)); - for (var i = index + amount, l = segments.length; i < l; i++) - segments[i]._index = i; - } - if (curves || segs._curves) { - if (!curves) - curves = this._curves = []; - var from = index > 0 ? index - 1 : index, - start = from, - to = Math.min(from + amount, this._countCurves()); - if (segs._curves) { - curves.splice.apply(curves, [from, 0].concat(segs._curves)); - start += segs._curves.length; - } - for (var i = start; i < to; i++) - curves.splice(i, 0, new Curve(this, null, null)); - this._adjustCurves(from, to); - } - this._changed(25); - return segs; - }, - - _adjustCurves: function(from, to) { - var segments = this._segments, - curves = this._curves, - curve; - for (var i = from; i < to; i++) { - curve = curves[i]; - curve._path = this; - curve._segment1 = segments[i]; - curve._segment2 = segments[i + 1] || segments[0]; - } - if (curve = curves[this._closed && from === 0 ? segments.length - 1 - : from - 1]) - curve._segment2 = segments[from] || segments[0]; - if (curve = curves[to]) - curve._segment1 = segments[to]; - }, - - _countCurves: function() { - var length = this._segments.length; - return !this._closed && length > 0 ? length - 1 : length; - }, - - add: function(segment1 ) { - return arguments.length > 1 && typeof segment1 !== 'number' - ? this._add(Segment.readAll(arguments)) - : this._add([ Segment.read(arguments) ])[0]; - }, - - insert: function(index, segment1 ) { - return arguments.length > 2 && typeof segment1 !== 'number' - ? this._add(Segment.readAll(arguments, 1), index) - : this._add([ Segment.read(arguments, 1) ], index)[0]; - }, - - addSegment: function() { - return this._add([ Segment.read(arguments) ])[0]; - }, - - insertSegment: function(index ) { - return this._add([ Segment.read(arguments, 1) ], index)[0]; - }, - - addSegments: function(segments) { - return this._add(Segment.readAll(segments)); - }, - - insertSegments: function(index, segments) { - return this._add(Segment.readAll(segments), index); - }, - - removeSegment: function(index) { - return this.removeSegments(index, index + 1)[0] || null; - }, - - removeSegments: function(from, to, _includeCurves) { - from = from || 0; - to = Base.pick(to, this._segments.length); - var segments = this._segments, - curves = this._curves, - count = segments.length, - removed = segments.splice(from, to - from), - amount = removed.length; - if (!amount) - return removed; - for (var i = 0; i < amount; i++) { - var segment = removed[i]; - if (segment._selectionState) - this._updateSelection(segment, segment._selectionState, 0); - segment._index = segment._path = null; - } - for (var i = from, l = segments.length; i < l; i++) - segments[i]._index = i; - if (curves) { - var index = from > 0 && to === count + (this._closed ? 1 : 0) - ? from - 1 - : from, - curves = curves.splice(index, amount); - if (_includeCurves) - removed._curves = curves.slice(1); - this._adjustCurves(index, index); - } - this._changed(25); - return removed; - }, - - clear: '#removeSegments', - - isFullySelected: function() { - var length = this._segments.length; - return this._selected && length > 0 && this._selectedSegmentState - === length * 7; - }, - - setFullySelected: function(selected) { - if (selected) - this._selectSegments(true); - this.setSelected(selected); - }, - - setSelected: function setSelected(selected) { - if (!selected) - this._selectSegments(false); - setSelected.base.call(this, selected); - }, - - _selectSegments: function(selected) { - var length = this._segments.length; - this._selectedSegmentState = selected - ? length * 7 : 0; - for (var i = 0; i < length; i++) - this._segments[i]._selectionState = selected - ? 7 : 0; - }, - - _updateSelection: function(segment, oldState, newState) { - segment._selectionState = newState; - var total = this._selectedSegmentState += newState - oldState; - if (total > 0) - this.setSelected(true); - }, - - flatten: function(maxDistance) { - var flattener = new PathFlattener(this), - pos = 0, - step = flattener.length / Math.ceil(flattener.length / maxDistance), - end = flattener.length + (this._closed ? -step : step) / 2; - var segments = []; - while (pos <= end) { - segments.push(new Segment(flattener.evaluate(pos, 0))); - pos += step; - } - this.setSegments(segments); - }, - - reduce: function() { - var curves = this.getCurves(); - for (var i = curves.length - 1; i >= 0; i--) { - var curve = curves[i]; - if (curve.isLinear() && curve.getLength() === 0) - curve.remove(); - } - return this; - }, - - simplify: function(tolerance) { - if (this._segments.length > 2) { - var fitter = new PathFitter(this, tolerance || 2.5); - this.setSegments(fitter.fit()); - } - }, - - split: function(index, parameter) { - if (parameter === null) - return; - if (arguments.length === 1) { - var arg = index; - if (typeof arg === 'number') - arg = this.getLocationAt(arg); - index = arg.index; - parameter = arg.parameter; - } - var tolerance = 0.00001; - if (parameter >= 1 - tolerance) { - index++; - parameter--; - } - var curves = this.getCurves(); - if (index >= 0 && index < curves.length) { - if (parameter > tolerance) { - curves[index++].divide(parameter, true); - } - var segs = this.removeSegments(index, this._segments.length, true), - path; - if (this._closed) { - this.setClosed(false); - path = this; - } else if (index > 0) { - path = this._clone(new Path().insertAbove(this, true)); - } - path._add(segs, 0); - this.addSegment(segs[0]); - return path; - } - return null; - }, - - isClockwise: function() { - if (this._clockwise !== undefined) - return this._clockwise; - return Path.isClockwise(this._segments); - }, - - setClockwise: function(clockwise) { - if (this.isClockwise() != (clockwise = !!clockwise)) - this.reverse(); - this._clockwise = clockwise; - }, - - reverse: function() { - this._segments.reverse(); - for (var i = 0, l = this._segments.length; i < l; i++) { - var segment = this._segments[i]; - var handleIn = segment._handleIn; - segment._handleIn = segment._handleOut; - segment._handleOut = handleIn; - segment._index = i; - } - this._curves = null; - if (this._clockwise !== undefined) - this._clockwise = !this._clockwise; - }, - - join: function(path) { - if (path) { - var segments = path._segments, - last1 = this.getLastSegment(), - last2 = path.getLastSegment(); - if (last1._point.equals(last2._point)) - path.reverse(); - var first1, - first2 = path.getFirstSegment(); - if (last1._point.equals(first2._point)) { - last1.setHandleOut(first2._handleOut); - this._add(segments.slice(1)); - } else { - first1 = this.getFirstSegment(); - if (first1._point.equals(first2._point)) - path.reverse(); - last2 = path.getLastSegment(); - if (first1._point.equals(last2._point)) { - first1.setHandleIn(last2._handleIn); - this._add(segments.slice(0, segments.length - 1), 0); - } else { - this._add(segments.slice()); - } - } - if (path.closed) - this._add([segments[0]]); - path.remove(); - first1 = this.getFirstSegment(); - last1 = this.getLastSegment(); - if (last1._point.equals(first1._point)) { - first1.setHandleIn(last1._handleIn); - last1.remove(); - this.setClosed(true); - } - return true; - } - return false; - }, - - getLength: function() { - if (this._length == null) { - var curves = this.getCurves(); - this._length = 0; - for (var i = 0, l = curves.length; i < l; i++) - this._length += curves[i].getLength(); - } - return this._length; - }, - - getArea: function() { - var curves = this.getCurves(); - var area = 0; - for (var i = 0, l = curves.length; i < l; i++) - area += curves[i].getArea(); - return area; - }, - - _getOffset: function(location) { - var index = location && location.getIndex(); - if (index != null) { - var curves = this.getCurves(), - offset = 0; - for (var i = 0; i < index; i++) - offset += curves[i].getLength(); - var curve = curves[index]; - return offset + curve.getLength(0, location.getParameter()); - } - return null; - }, - - getLocationOf: function(point) { - var point = Point.read(arguments), - curves = this.getCurves(); - for (var i = 0, l = curves.length; i < l; i++) { - var loc = curves[i].getLocationOf(point); - if (loc) - return loc; - } - return null; - }, - - getLocationAt: function(offset, isParameter) { - var curves = this.getCurves(), - length = 0; - if (isParameter) { - var index = ~~offset; - return curves[index].getLocationAt(offset - index, true); - } - for (var i = 0, l = curves.length; i < l; i++) { - var start = length, - curve = curves[i]; - length += curve.getLength(); - if (length > offset) { - return curve.getLocationAt(offset - start); - } - } - if (offset <= this.getLength()) - return new CurveLocation(curves[curves.length - 1], 1); - return null; - }, - - getPointAt: function(offset, isParameter) { - var loc = this.getLocationAt(offset, isParameter); - return loc && loc.getPoint(); - }, - - getTangentAt: function(offset, isParameter) { - var loc = this.getLocationAt(offset, isParameter); - return loc && loc.getTangent(); - }, - - getNormalAt: function(offset, isParameter) { - var loc = this.getLocationAt(offset, isParameter); - return loc && loc.getNormal(); - }, - - getNearestLocation: function(point) { - var point = Point.read(arguments), - curves = this.getCurves(), - minDist = Infinity, - minLoc = null; - for (var i = 0, l = curves.length; i < l; i++) { - var loc = curves[i].getNearestLocation(point); - if (loc._distance < minDist) { - minDist = loc._distance; - minLoc = loc; - } - } - return minLoc; - }, - - getNearestPoint: function(point) { - var point = Point.read(arguments); - return this.getNearestLocation(point).getPoint(); - }, - - toShape: function(insert) { - if (!this._closed) - return null; - - var segments = this._segments, - type, - size, - radius, - topCenter; - - function isColinear(i, j) { - return segments[i].isColinear(segments[j]); - } - - function isOrthogonal(i) { - return segments[i].isOrthogonal(); - } - - function isArc(i) { - return segments[i].isArc(); - } - - function getDistance(i, j) { - return segments[i]._point.getDistance(segments[j]._point); - } - - if (this.isPolygon() && segments.length === 4 - && isColinear(0, 2) && isColinear(1, 3) && isOrthogonal(1)) { - type = Shape.Rectangle; - size = new Size(getDistance(0, 3), getDistance(0, 1)); - topCenter = segments[1]._point.add(segments[2]._point).divide(2); - } else if (segments.length === 8 && isArc(0) && isArc(2) && isArc(4) - && isArc(6) && isColinear(1, 5) && isColinear(3, 7)) { - type = Shape.Rectangle; - size = new Size(getDistance(1, 6), getDistance(0, 3)); - radius = size.subtract(new Size(getDistance(0, 7), - getDistance(1, 2))).divide(2); - topCenter = segments[3]._point.add(segments[4]._point).divide(2); - } else if (segments.length === 4 - && isArc(0) && isArc(1) && isArc(2) && isArc(3)) { - if (Numerical.isZero(getDistance(0, 2) - getDistance(1, 3))) { - type = Shape.Circle; - radius = getDistance(0, 2) / 2; - } else { - type = Shape.Ellipse; - radius = new Size(getDistance(2, 0) / 2, getDistance(3, 1) / 2); - } - topCenter = segments[1]._point; - } - - if (type) { - var center = this.getPosition(true), - shape = new type({ - center: center, - size: size, - radius: radius, - insert: false - }); - shape.rotate(topCenter.subtract(center).getAngle() + 90); - shape.setStyle(this._style); - if (insert || insert === undefined) - shape.insertAbove(this); - return shape; - } - return null; - }, - - _hitTest: function(point, options) { - var that = this, - style = this.getStyle(), - segments = this._segments, - closed = this._closed, - tolerancePadding = options._tolerancePadding, - strokePadding = tolerancePadding, - join, cap, miterLimit, - area, loc, res, - hasStroke = options.stroke && style.hasStroke(), - hasFill = options.fill && style.hasFill(), - radius = hasStroke ? style.getStrokeWidth() / 2 - : hasFill ? 0 : null; - if (radius != null) { - if (radius > 0) { - join = style.getStrokeJoin(); - cap = style.getStrokeCap(); - miterLimit = radius * style.getMiterLimit(); - strokePadding = tolerancePadding.add(new Point(radius, radius)); - } else { - join = cap = 'round'; - } - } - - function isCloseEnough(pt, padding) { - return point.subtract(pt).divide(padding).length <= 1; - } - - function checkSegmentPoint(seg, pt, name) { - if (!options.selected || pt.isSelected()) { - var anchor = seg._point; - if (pt !== anchor) - pt = pt.add(anchor); - if (isCloseEnough(pt, strokePadding)) { - return new HitResult(name, that, { - segment: seg, - point: pt - }); - } - } - } - - function checkSegmentPoints(seg, ends) { - return (ends || options.segments) - && checkSegmentPoint(seg, seg._point, 'segment') - || (!ends && options.handles) && ( - checkSegmentPoint(seg, seg._handleIn, 'handle-in') || - checkSegmentPoint(seg, seg._handleOut, 'handle-out')); - } - - function addToArea(point) { - area.add(point); - } - - function checkSegmentStroke(segment) { - if (join !== 'round' || cap !== 'round') { - area = new Path({ internal: true, closed: true }); - if (closed || segment._index > 0 - && segment._index < segments.length - 1) { - if (join !== 'round' && (segment._handleIn.isZero() - || segment._handleOut.isZero())) - Path._addBevelJoin(segment, join, radius, miterLimit, - addToArea, true); - } else if (cap !== 'round') { - Path._addSquareCap(segment, cap, radius, addToArea, true); - } - if (!area.isEmpty()) { - var loc; - return area.contains(point) - || (loc = area.getNearestLocation(point)) - && isCloseEnough(loc.getPoint(), tolerancePadding); - } - } - return isCloseEnough(segment._point, strokePadding); - } - - if (options.ends && !options.segments && !closed) { - if (res = checkSegmentPoints(segments[0], true) - || checkSegmentPoints(segments[segments.length - 1], true)) - return res; - } else if (options.segments || options.handles) { - for (var i = 0, l = segments.length; i < l; i++) - if (res = checkSegmentPoints(segments[i])) - return res; - } - if (radius != null) { - loc = this.getNearestLocation(point); - if (loc) { - var parameter = loc.getParameter(); - if (parameter === 0 || parameter === 1) { - if (!checkSegmentStroke(loc.getSegment())) - loc = null; - } else if (!isCloseEnough(loc.getPoint(), strokePadding)) { - loc = null; - } - } - if (!loc && join === 'miter') { - for (var i = 0, l = segments.length; i < l; i++) { - var segment = segments[i]; - if (point.getDistance(segment._point) <= miterLimit - && checkSegmentStroke(segment)) { - loc = segment.getLocation(); - break; - } - } - } - } - return !loc && hasFill && this._contains(point) || loc && !hasStroke - ? new HitResult('fill', this) - : loc - ? new HitResult('stroke', this, { - location: loc, - point: loc.getPoint() - }) - : null; - } - -}, new function() { - - function drawHandles(ctx, segments, matrix, size) { - var half = size / 2; - - function drawHandle(index) { - var hX = coords[index], - hY = coords[index + 1]; - if (pX != hX || pY != hY) { - ctx.beginPath(); - ctx.moveTo(pX, pY); - ctx.lineTo(hX, hY); - ctx.stroke(); - ctx.beginPath(); - ctx.arc(hX, hY, half, 0, Math.PI * 2, true); - ctx.fill(); - } - } - - var coords = new Array(6); - for (var i = 0, l = segments.length; i < l; i++) { - var segment = segments[i]; - segment._transformCoordinates(matrix, coords, false); - var state = segment._selectionState, - pX = coords[0], - pY = coords[1]; - if (state & 1) - drawHandle(2); - if (state & 2) - drawHandle(4); - ctx.fillRect(pX - half, pY - half, size, size); - if (!(state & 4)) { - var fillStyle = ctx.fillStyle; - ctx.fillStyle = '#ffffff'; - ctx.fillRect(pX - half + 1, pY - half + 1, size - 2, size - 2); - ctx.fillStyle = fillStyle; - } - } - } - - function drawSegments(ctx, path, matrix) { - var segments = path._segments, - length = segments.length, - coords = new Array(6), - first = true, - curX, curY, - prevX, prevY, - inX, inY, - outX, outY; - - function drawSegment(i) { - var segment = segments[i]; - if (matrix) { - segment._transformCoordinates(matrix, coords, false); - curX = coords[0]; - curY = coords[1]; - } else { - var point = segment._point; - curX = point._x; - curY = point._y; - } - if (first) { - ctx.moveTo(curX, curY); - first = false; - } else { - if (matrix) { - inX = coords[2]; - inY = coords[3]; - } else { - var handle = segment._handleIn; - inX = curX + handle._x; - inY = curY + handle._y; - } - if (inX == curX && inY == curY && outX == prevX && outY == prevY) { - ctx.lineTo(curX, curY); - } else { - ctx.bezierCurveTo(outX, outY, inX, inY, curX, curY); - } - } - prevX = curX; - prevY = curY; - if (matrix) { - outX = coords[4]; - outY = coords[5]; - } else { - var handle = segment._handleOut; - outX = prevX + handle._x; - outY = prevY + handle._y; - } - } - - for (var i = 0; i < length; i++) - drawSegment(i); - if (path._closed && length > 0) - drawSegment(0); - } - - return { - _draw: function(ctx, param) { - var dontStart = param.dontStart, - dontPaint = param.dontFinish || param.clip; - if (!dontStart) - ctx.beginPath(); - - var style = this.getStyle(), - hasFill = style.hasFill(), - hasStroke = style.hasStroke(), - dashArray = style.getDashArray(), - dashLength = !paper.support.nativeDash && hasStroke - && dashArray && dashArray.length; - - function getOffset(i) { - return dashArray[((i % dashLength) + dashLength) % dashLength]; - } - - if (!dontStart && this._currentPath) { - ctx.currentPath = this._currentPath; - } else if (hasFill || hasStroke && !dashLength || dontPaint) { - drawSegments(ctx, this); - if (this._closed) - ctx.closePath(); - if (!dontStart) - this._currentPath = ctx.currentPath; - } - - if (!dontPaint && (hasFill || hasStroke)) { - this._setStyles(ctx); - if (hasFill) { - ctx.fill(style.getWindingRule()); - ctx.shadowColor = 'rgba(0,0,0,0)'; - } - if (hasStroke) { - if (dashLength) { - if (!dontStart) - ctx.beginPath(); - var flattener = new PathFlattener(this), - length = flattener.length, - from = -style.getDashOffset(), to, - i = 0; - from = from % length; - while (from > 0) { - from -= getOffset(i--) + getOffset(i--); - } - while (from < length) { - to = from + getOffset(i++); - if (from > 0 || to > 0) - flattener.drawPart(ctx, - Math.max(from, 0), Math.max(to, 0)); - from = to + getOffset(i++); - } - } - ctx.stroke(); - } - } - }, - - _drawSelected: function(ctx, matrix) { - ctx.beginPath(); - drawSegments(ctx, this, matrix); - ctx.stroke(); - drawHandles(ctx, this._segments, matrix, paper.settings.handleSize); - } - }; -}, new function() { - - function getFirstControlPoints(rhs) { - var n = rhs.length, - x = [], - tmp = [], - b = 2; - x[0] = rhs[0] / b; - for (var i = 1; i < n; i++) { - tmp[i] = 1 / b; - b = (i < n - 1 ? 4 : 2) - tmp[i]; - x[i] = (rhs[i] - x[i - 1]) / b; - } - for (var i = 1; i < n; i++) { - x[n - i - 1] -= tmp[n - i] * x[n - i]; - } - return x; - } - - return { - smooth: function() { - var segments = this._segments, - size = segments.length, - closed = this._closed, - n = size, - overlap = 0; - if (size <= 2) - return; - if (closed) { - overlap = Math.min(size, 4); - n += Math.min(size, overlap) * 2; - } - var knots = []; - for (var i = 0; i < size; i++) - knots[i + overlap] = segments[i]._point; - if (closed) { - for (var i = 0; i < overlap; i++) { - knots[i] = segments[i + size - overlap]._point; - knots[i + size + overlap] = segments[i]._point; - } - } else { - n--; - } - var rhs = []; - - for (var i = 1; i < n - 1; i++) - rhs[i] = 4 * knots[i]._x + 2 * knots[i + 1]._x; - rhs[0] = knots[0]._x + 2 * knots[1]._x; - rhs[n - 1] = 3 * knots[n - 1]._x; - var x = getFirstControlPoints(rhs); - - for (var i = 1; i < n - 1; i++) - rhs[i] = 4 * knots[i]._y + 2 * knots[i + 1]._y; - rhs[0] = knots[0]._y + 2 * knots[1]._y; - rhs[n - 1] = 3 * knots[n - 1]._y; - var y = getFirstControlPoints(rhs); - - if (closed) { - for (var i = 0, j = size; i < overlap; i++, j++) { - var f1 = i / overlap, - f2 = 1 - f1, - ie = i + overlap, - je = j + overlap; - x[j] = x[i] * f1 + x[j] * f2; - y[j] = y[i] * f1 + y[j] * f2; - x[je] = x[ie] * f2 + x[je] * f1; - y[je] = y[ie] * f2 + y[je] * f1; - } - n--; - } - var handleIn = null; - for (var i = overlap; i <= n - overlap; i++) { - var segment = segments[i - overlap]; - if (handleIn) - segment.setHandleIn(handleIn.subtract(segment._point)); - if (i < n) { - segment.setHandleOut( - new Point(x[i], y[i]).subtract(segment._point)); - handleIn = i < n - 1 - ? new Point( - 2 * knots[i + 1]._x - x[i + 1], - 2 * knots[i + 1]._y - y[i + 1]) - : new Point( - (knots[n]._x + x[n - 1]) / 2, - (knots[n]._y + y[n - 1]) / 2); - } - } - if (closed && handleIn) { - var segment = this._segments[0]; - segment.setHandleIn(handleIn.subtract(segment._point)); - } - } - }; -}, new function() { - function getCurrentSegment(that) { - var segments = that._segments; - if (segments.length === 0) - throw new Error('Use a moveTo() command first'); - return segments[segments.length - 1]; - } - - return { - moveTo: function() { - var segments = this._segments; - if (segments.length === 1) - this.removeSegment(0); - if (!segments.length) - this._add([ new Segment(Point.read(arguments)) ]); - }, - - moveBy: function() { - throw new Error('moveBy() is unsupported on Path items.'); - }, - - lineTo: function() { - this._add([ new Segment(Point.read(arguments)) ]); - }, - - cubicCurveTo: function() { - var handle1 = Point.read(arguments), - handle2 = Point.read(arguments), - to = Point.read(arguments), - current = getCurrentSegment(this); - current.setHandleOut(handle1.subtract(current._point)); - this._add([ new Segment(to, handle2.subtract(to)) ]); - }, - - quadraticCurveTo: function() { - var handle = Point.read(arguments), - to = Point.read(arguments), - current = getCurrentSegment(this)._point; - this.cubicCurveTo( - handle.add(current.subtract(handle).multiply(1 / 3)), - handle.add(to.subtract(handle).multiply(1 / 3)), - to - ); - }, - - curveTo: function() { - var through = Point.read(arguments), - to = Point.read(arguments), - t = Base.pick(Base.read(arguments), 0.5), - t1 = 1 - t, - current = getCurrentSegment(this)._point, - handle = through.subtract(current.multiply(t1 * t1)) - .subtract(to.multiply(t * t)).divide(2 * t * t1); - if (handle.isNaN()) - throw new Error( - 'Cannot put a curve through points with parameter = ' + t); - this.quadraticCurveTo(handle, to); - }, - - arcTo: function() { - var current = getCurrentSegment(this), - from = current._point, - to = Point.read(arguments), - through, - peek = Base.peek(arguments), - clockwise = Base.pick(peek, true), - center, extent, vector, matrix; - if (typeof clockwise === 'boolean') { - var middle = from.add(to).divide(2), - through = middle.add(middle.subtract(from).rotate( - clockwise ? -90 : 90)); - } else if (Base.remain(arguments) <= 2) { - through = to; - to = Point.read(arguments); - } else { - var radius = Size.read(arguments); - if (radius.isZero()) - return this.lineTo(to); - var rotation = Base.read(arguments), - clockwise = !!Base.read(arguments), - large = !!Base.read(arguments), - middle = from.add(to).divide(2), - pt = from.subtract(middle).rotate(-rotation), - x = pt.x, - y = pt.y, - abs = Math.abs, - EPSILON = 1e-11, - rx = abs(radius.width), - ry = abs(radius.height), - rxSq = rx * rx, - rySq = ry * ry, - xSq = x * x, - ySq = y * y; - var factor = Math.sqrt(xSq / rxSq + ySq / rySq); - if (factor > 1) { - rx *= factor; - ry *= factor; - rxSq = rx * rx; - rySq = ry * ry; - } - factor = (rxSq * rySq - rxSq * ySq - rySq * xSq) / - (rxSq * ySq + rySq * xSq); - if (abs(factor) < EPSILON) - factor = 0; - if (factor < 0) - throw new Error( - 'Cannot create an arc with the given arguments'); - center = new Point(rx * y / ry, -ry * x / rx) - .multiply((large === clockwise ? -1 : 1) - * Math.sqrt(factor)) - .rotate(rotation).add(middle); - matrix = new Matrix().translate(center).rotate(rotation) - .scale(rx, ry); - vector = matrix._inverseTransform(from); - extent = vector.getDirectedAngle(matrix._inverseTransform(to)); - if (!clockwise && extent > 0) - extent -= 360; - else if (clockwise && extent < 0) - extent += 360; - } - if (through) { - var l1 = new Line(from.add(through).divide(2), - through.subtract(from).rotate(90), true), - l2 = new Line(through.add(to).divide(2), - to.subtract(through).rotate(90), true), - line = new Line(from, to), - throughSide = line.getSide(through); - center = l1.intersect(l2, true); - if (!center) { - if (!throughSide) - return this.lineTo(to); - throw new Error( - 'Cannot create an arc with the given arguments'); - } - vector = from.subtract(center); - extent = vector.getDirectedAngle(to.subtract(center)); - var centerSide = line.getSide(center); - if (centerSide === 0) { - extent = throughSide * Math.abs(extent); - } else if (throughSide === centerSide) { - extent += extent < 0 ? 360 : -360; - } - } - var ext = Math.abs(extent), - count = ext >= 360 ? 4 : Math.ceil(ext / 90), - inc = extent / count, - half = inc * Math.PI / 360, - z = 4 / 3 * Math.sin(half) / (1 + Math.cos(half)), - segments = []; - for (var i = 0; i <= count; i++) { - var pt = to, - out = null; - if (i < count) { - out = vector.rotate(90).multiply(z); - if (matrix) { - pt = matrix._transformPoint(vector); - out = matrix._transformPoint(vector.add(out)) - .subtract(pt); - } else { - pt = center.add(vector); - } - } - if (i === 0) { - current.setHandleOut(out); - } else { - var _in = vector.rotate(-90).multiply(z); - if (matrix) { - _in = matrix._transformPoint(vector.add(_in)) - .subtract(pt); - } - segments.push(new Segment(pt, _in, out)); - } - vector = vector.rotate(inc); - } - this._add(segments); - }, - - lineBy: function() { - var to = Point.read(arguments), - current = getCurrentSegment(this)._point; - this.lineTo(current.add(to)); - }, - - curveBy: function() { - var through = Point.read(arguments), - to = Point.read(arguments), - parameter = Base.read(arguments), - current = getCurrentSegment(this)._point; - this.curveTo(current.add(through), current.add(to), parameter); - }, - - cubicCurveBy: function() { - var handle1 = Point.read(arguments), - handle2 = Point.read(arguments), - to = Point.read(arguments), - current = getCurrentSegment(this)._point; - this.cubicCurveTo(current.add(handle1), current.add(handle2), - current.add(to)); - }, - - quadraticCurveBy: function() { - var handle = Point.read(arguments), - to = Point.read(arguments), - current = getCurrentSegment(this)._point; - this.quadraticCurveTo(current.add(handle), current.add(to)); - }, - - arcBy: function() { - var current = getCurrentSegment(this)._point, - point = current.add(Point.read(arguments)), - clockwise = Base.pick(Base.peek(arguments), true); - if (typeof clockwise === 'boolean') { - this.arcTo(point, clockwise); - } else { - this.arcTo(point, current.add(Point.read(arguments))); - } - }, - - closePath: function() { - var first = this.getFirstSegment(), - last = this.getLastSegment(); - if (first !== last && first._point.equals(last._point)) { - first.setHandleIn(last._handleIn); - last.remove(); - } - this.setClosed(true); - } - }; -}, { - - _getBounds: function(getter, matrix) { - return Path[getter](this._segments, this._closed, this.getStyle(), - matrix); - }, - -statics: { - isClockwise: function(segments) { - var sum = 0; - for (var i = 0, l = segments.length; i < l; i++) { - var v = Curve.getValues( - segments[i], segments[i + 1 < l ? i + 1 : 0]); - for (var j = 2; j < 8; j += 2) - sum += (v[j - 2] - v[j]) * (v[j + 1] + v[j - 1]); - } - return sum > 0; - }, - - getBounds: function(segments, closed, style, matrix, strokePadding) { - var first = segments[0]; - if (!first) - return new Rectangle(); - var coords = new Array(6), - prevCoords = first._transformCoordinates(matrix, new Array(6), false), - min = prevCoords.slice(0, 2), - max = min.slice(), - roots = new Array(2); - - function processSegment(segment) { - segment._transformCoordinates(matrix, coords, false); - for (var i = 0; i < 2; i++) { - Curve._addBounds( - prevCoords[i], - prevCoords[i + 4], - coords[i + 2], - coords[i], - i, strokePadding ? strokePadding[i] : 0, min, max, roots); - } - var tmp = prevCoords; - prevCoords = coords; - coords = tmp; - } - - for (var i = 1, l = segments.length; i < l; i++) - processSegment(segments[i]); - if (closed) - processSegment(first); - return new Rectangle(min[0], min[1], max[0] - min[0], max[1] - min[1]); - }, - - getStrokeBounds: function(segments, closed, style, matrix) { - if (!style.hasStroke()) - return Path.getBounds(segments, closed, style, matrix); - var length = segments.length - (closed ? 0 : 1), - radius = style.getStrokeWidth() / 2, - padding = Path._getPenPadding(radius, matrix), - bounds = Path.getBounds(segments, closed, style, matrix, padding), - join = style.getStrokeJoin(), - cap = style.getStrokeCap(), - miterLimit = radius * style.getMiterLimit(); - var joinBounds = new Rectangle(new Size(padding).multiply(2)); - - function add(point) { - bounds = bounds.include(matrix - ? matrix._transformPoint(point, point) : point); - } - - function addRound(segment) { - bounds = bounds.unite(joinBounds.setCenter(matrix - ? matrix._transformPoint(segment._point) : segment._point)); - } - - function addJoin(segment, join) { - var handleIn = segment._handleIn, - handleOut = segment._handleOut - if (join === 'round' || !handleIn.isZero() && !handleOut.isZero() - && handleIn.isColinear(handleOut)) { - addRound(segment); - } else { - Path._addBevelJoin(segment, join, radius, miterLimit, add); - } - } - - function addCap(segment, cap) { - if (cap === 'round') { - addRound(segment); - } else { - Path._addSquareCap(segment, cap, radius, add); - } - } - - for (var i = 1; i < length; i++) - addJoin(segments[i], join); - if (closed) { - addJoin(segments[0], join); - } else if (length > 0) { - addCap(segments[0], cap); - addCap(segments[segments.length - 1], cap); - } - return bounds; - }, - - _getPenPadding: function(radius, matrix) { - if (!matrix) - return [radius, radius]; - var mx = matrix.shiftless(), - hor = mx.transform(new Point(radius, 0)), - ver = mx.transform(new Point(0, radius)), - phi = hor.getAngleInRadians(), - a = hor.getLength(), - b = ver.getLength(); - var sin = Math.sin(phi), - cos = Math.cos(phi), - tan = Math.tan(phi), - tx = -Math.atan(b * tan / a), - ty = Math.atan(b / (tan * a)); - return [Math.abs(a * Math.cos(tx) * cos - b * Math.sin(tx) * sin), - Math.abs(b * Math.sin(ty) * cos + a * Math.cos(ty) * sin)]; - }, - - _addBevelJoin: function(segment, join, radius, miterLimit, addPoint, area) { - var curve2 = segment.getCurve(), - curve1 = curve2.getPrevious(), - point = curve2.getPointAt(0, true), - normal1 = curve1.getNormalAt(1, true), - normal2 = curve2.getNormalAt(0, true), - step = normal1.getDirectedAngle(normal2) < 0 ? -radius : radius; - normal1.setLength(step); - normal2.setLength(step); - if (area) { - addPoint(point); - addPoint(point.add(normal1)); - } - if (join === 'miter') { - var corner = new Line( - point.add(normal1), - new Point(-normal1.y, normal1.x), true - ).intersect(new Line( - point.add(normal2), - new Point(-normal2.y, normal2.x), true - ), true); - if (corner && point.getDistance(corner) <= miterLimit) { - addPoint(corner); - if (!area) - return; - } - } - if (!area) - addPoint(point.add(normal1)); - addPoint(point.add(normal2)); - }, - - _addSquareCap: function(segment, cap, radius, addPoint, area) { - var point = segment._point, - loc = segment.getLocation(), - normal = loc.getNormal().normalize(radius); - if (area) { - addPoint(point.subtract(normal)); - addPoint(point.add(normal)); - } - if (cap === 'square') - point = point.add(normal.rotate(loc.getParameter() == 0 ? -90 : 90)); - addPoint(point.add(normal)); - addPoint(point.subtract(normal)); - }, - - getHandleBounds: function(segments, closed, style, matrix, strokePadding, - joinPadding) { - var coords = new Array(6), - x1 = Infinity, - x2 = -x1, - y1 = x1, - y2 = x2; - for (var i = 0, l = segments.length; i < l; i++) { - var segment = segments[i]; - segment._transformCoordinates(matrix, coords, false); - for (var j = 0; j < 6; j += 2) { - var padding = j == 0 ? joinPadding : strokePadding, - paddingX = padding ? padding[0] : 0, - paddingY = padding ? padding[1] : 0, - x = coords[j], - y = coords[j + 1], - xn = x - paddingX, - xx = x + paddingX, - yn = y - paddingY, - yx = y + paddingY; - if (xn < x1) x1 = xn; - if (xx > x2) x2 = xx; - if (yn < y1) y1 = yn; - if (yx > y2) y2 = yx; - } - } - return new Rectangle(x1, y1, x2 - x1, y2 - y1); - }, - - getRoughBounds: function(segments, closed, style, matrix) { - var strokeRadius = style.hasStroke() ? style.getStrokeWidth() / 2 : 0, - joinRadius = strokeRadius; - if (strokeRadius > 0) { - if (style.getStrokeJoin() === 'miter') - joinRadius = strokeRadius * style.getMiterLimit(); - if (style.getStrokeCap() === 'square') - joinRadius = Math.max(joinRadius, strokeRadius * Math.sqrt(2)); - } - return Path.getHandleBounds(segments, closed, style, matrix, - Path._getPenPadding(strokeRadius, matrix), - Path._getPenPadding(joinRadius, matrix)); - } -}}); - -Path.inject({ statics: new function() { - - var kappa = 0.5522847498307936, - ellipseSegments = [ - new Segment([-1, 0], [0, kappa ], [0, -kappa]), - new Segment([0, -1], [-kappa, 0], [kappa, 0 ]), - new Segment([1, 0], [0, -kappa], [0, kappa ]), - new Segment([0, 1], [kappa, 0 ], [-kappa, 0]) - ]; - - function createPath(segments, closed, args) { - var props = Base.getNamed(args), - path = new Path(props && props.insert === false && Item.NO_INSERT); - path._add(segments); - path._closed = closed; - return path.set(props); - } - - function createEllipse(center, radius, args) { - var segments = new Array(4); - for (var i = 0; i < 4; i++) { - var segment = ellipseSegments[i]; - segments[i] = new Segment( - segment._point.multiply(radius).add(center), - segment._handleIn.multiply(radius), - segment._handleOut.multiply(radius) - ); - } - return createPath(segments, true, args); - } - - return { - Line: function() { - return createPath([ - new Segment(Point.readNamed(arguments, 'from')), - new Segment(Point.readNamed(arguments, 'to')) - ], false, arguments); - }, - - Circle: function() { - var center = Point.readNamed(arguments, 'center'), - radius = Base.readNamed(arguments, 'radius'); - return createEllipse(center, new Size(radius), arguments); - }, - - Rectangle: function() { - var rect = Rectangle.readNamed(arguments, 'rectangle'), - radius = Size.readNamed(arguments, 'radius', 0, - { readNull: true }), - bl = rect.getBottomLeft(true), - tl = rect.getTopLeft(true), - tr = rect.getTopRight(true), - br = rect.getBottomRight(true), - segments; - if (!radius || radius.isZero()) { - segments = [ - new Segment(bl), - new Segment(tl), - new Segment(tr), - new Segment(br) - ]; - } else { - radius = Size.min(radius, rect.getSize(true).divide(2)); - var rx = radius.width, - ry = radius.height, - hx = rx * kappa, - hy = ry * kappa; - segments = [ - new Segment(bl.add(rx, 0), null, [-hx, 0]), - new Segment(bl.subtract(0, ry), [0, hy]), - new Segment(tl.add(0, ry), null, [0, -hy]), - new Segment(tl.add(rx, 0), [-hx, 0], null), - new Segment(tr.subtract(rx, 0), null, [hx, 0]), - new Segment(tr.add(0, ry), [0, -hy], null), - new Segment(br.subtract(0, ry), null, [0, hy]), - new Segment(br.subtract(rx, 0), [hx, 0]) - ]; - } - return createPath(segments, true, arguments); - }, - - RoundRectangle: '#Rectangle', - - Ellipse: function() { - var ellipse = Shape._readEllipse(arguments); - return createEllipse(ellipse.center, ellipse.radius, arguments); - }, - - Oval: '#Ellipse', - - Arc: function() { - var from = Point.readNamed(arguments, 'from'), - through = Point.readNamed(arguments, 'through'), - to = Point.readNamed(arguments, 'to'), - props = Base.getNamed(arguments), - path = new Path(props && props.insert === false - && Item.NO_INSERT); - path.moveTo(from); - path.arcTo(through, to); - return path.set(props); - }, - - RegularPolygon: function() { - var center = Point.readNamed(arguments, 'center'), - sides = Base.readNamed(arguments, 'sides'), - radius = Base.readNamed(arguments, 'radius'), - step = 360 / sides, - three = !(sides % 3), - vector = new Point(0, three ? -radius : radius), - offset = three ? -1 : 0.5, - segments = new Array(sides); - for (var i = 0; i < sides; i++) - segments[i] = new Segment(center.add( - vector.rotate((i + offset) * step))); - return createPath(segments, true, arguments); - }, - - Star: function() { - var center = Point.readNamed(arguments, 'center'), - points = Base.readNamed(arguments, 'points') * 2, - radius1 = Base.readNamed(arguments, 'radius1'), - radius2 = Base.readNamed(arguments, 'radius2'), - step = 360 / points, - vector = new Point(0, -1), - segments = new Array(points); - for (var i = 0; i < points; i++) - segments[i] = new Segment(center.add(vector.rotate(step * i) - .multiply(i % 2 ? radius2 : radius1))); - return createPath(segments, true, arguments); - } - }; -}}); - -var CompoundPath = PathItem.extend({ - _class: 'CompoundPath', - _serializeFields: { - children: [] - }, - - initialize: function CompoundPath(arg) { - this._children = []; - this._namedChildren = {}; - if (!this._initialize(arg)) { - if (typeof arg === 'string') { - this.setPathData(arg); - } else { - this.addChildren(Array.isArray(arg) ? arg : arguments); - } - } - }, - - insertChildren: function insertChildren(index, items, _preserve) { - items = insertChildren.base.call(this, index, items, _preserve, Path); - for (var i = 0, l = !_preserve && items && items.length; i < l; i++) { - var item = items[i]; - if (item._clockwise === undefined) - item.setClockwise(item._index === 0); - } - return items; - }, - - reverse: function() { - var children = this._children; - for (var i = 0, l = children.length; i < l; i++) - children[i].reverse(); - }, - - smooth: function() { - for (var i = 0, l = this._children.length; i < l; i++) - this._children[i].smooth(); - }, - - isClockwise: function() { - var child = this.getFirstChild(); - return child && child.isClockwise(); - }, - - setClockwise: function(clockwise) { - if (this.isClockwise() != !!clockwise) - this.reverse(); - }, - - getFirstSegment: function() { - var first = this.getFirstChild(); - return first && first.getFirstSegment(); - }, - - getLastSegment: function() { - var last = this.getLastChild(); - return last && last.getLastSegment(); - }, - - getCurves: function() { - var children = this._children, - curves = []; - for (var i = 0, l = children.length; i < l; i++) - curves.push.apply(curves, children[i].getCurves()); - return curves; - }, - - getFirstCurve: function() { - var first = this.getFirstChild(); - return first && first.getFirstCurve(); - }, - - getLastCurve: function() { - var last = this.getLastChild(); - return last && last.getFirstCurve(); - }, - - getArea: function() { - var children = this._children, - area = 0; - for (var i = 0, l = children.length; i < l; i++) - area += children[i].getArea(); - return area; - }, - - getPathData: function(precision) { - var children = this._children, - paths = []; - for (var i = 0, l = children.length; i < l; i++) - paths.push(children[i].getPathData(precision)); - return paths.join(' '); - }, - - _getChildHitTestOptions: function(options) { - return options.type === 'path' - ? options - : new Base(options, { fill: false }); - }, - - _draw: function(ctx, param) { - var children = this._children; - if (children.length === 0) - return; - - if (this._currentPath) { - ctx.currentPath = this._currentPath; - } else { - param = param.extend({ dontStart: true, dontFinish: true }); - ctx.beginPath(); - for (var i = 0, l = children.length; i < l; i++) - children[i].draw(ctx, param); - this._currentPath = ctx.currentPath; - } - - if (!param.clip) { - this._setStyles(ctx); - var style = this._style; - if (style.hasFill()) { - ctx.fill(style.getWindingRule()); - ctx.shadowColor = 'rgba(0,0,0,0)'; - } - if (style.hasStroke()) - ctx.stroke(); - } - } -}, new function() { - function getCurrentPath(that, check) { - var children = that._children; - if (check && children.length === 0) - throw new Error('Use a moveTo() command first'); - return children[children.length - 1]; - } - - var fields = { - moveTo: function() { - var current = getCurrentPath(this), - path = current && current.isEmpty() ? current : new Path(); - if (path !== current) - this.addChild(path); - path.moveTo.apply(path, arguments); - }, - - moveBy: function() { - var current = getCurrentPath(this, true), - last = current && current.getLastSegment(), - point = Point.read(arguments); - this.moveTo(last ? point.add(last._point) : point); - }, - - closePath: function() { - getCurrentPath(this, true).closePath(); - } - }; - - Base.each(['lineTo', 'cubicCurveTo', 'quadraticCurveTo', 'curveTo', 'arcTo', - 'lineBy', 'cubicCurveBy', 'quadraticCurveBy', 'curveBy', 'arcBy'], - function(key) { - fields[key] = function() { - var path = getCurrentPath(this, true); - path[key].apply(path, arguments); - }; - } - ); - - return fields; -}); - -PathItem.inject(new function() { - function computeBoolean(path1, path2, operator, subtract) { - function preparePath(path) { - return path.clone(false).reduce().reorient().transform(null, true); - } - - var _path1 = preparePath(path1); - _path2 = path2 && path1 !== path2 && preparePath(path2); - if (!_path1.isClockwise()) - _path1.reverse(); - if (_path2 && !(subtract ^ _path2.isClockwise())) - _path2.reverse(); - splitPath(_path1.getIntersections(_path2, true)); - - var chain = [], - windings = [], - lengths = [], - segments = [], - monoCurves = []; - - function collect(paths) { - for (var i = 0, l = paths.length; i < l; i++) { - var path = paths[i]; - segments.push.apply(segments, path._segments); - monoCurves.push.apply(monoCurves, path._getMonoCurves()); - } - } - - collect(_path1._children || [_path1]); - if (_path2) - collect(_path2._children || [_path2]); - segments.sort(function(a, b) { - var _a = a._intersection, - _b = b._intersection; - return !_a && !_b || _a && _b ? 0 : _a ? -1 : 1; - }); - for (var i = 0, l = segments.length; i < l; i++) { - var segment = segments[i]; - if (segment._winding != null) - continue; - chain.length = windings.length = lengths.length = 0; - var totalLength = 0, - startSeg = segment; - do { - chain.push(segment); - lengths.push(totalLength += segment.getCurve().getLength()); - segment = segment.getNext(); - } while (segment && !segment._intersection && segment !== startSeg); - for (var j = 0; j < 3; j++) { - var length = totalLength * Math.random(), - amount = lengths.length; - k = 0; - do { - if (lengths[k] >= length) { - if (k > 0) - length -= lengths[k - 1]; - break; - } - } while (++k < amount); - var curve = chain[k].getCurve(), - point = curve.getPointAt(length), - hor = curve.isHorizontal(), - path = curve._path; - if (path._parent instanceof CompoundPath) - path = path._parent; - windings[j] = subtract && _path2 - && (path === _path1 && _path2._getWinding(point, hor) - || path === _path2 && !_path1._getWinding(point, hor)) - ? 0 - : getWinding(point, monoCurves, hor); - } - windings.sort(); - var winding = windings[1]; - for (var j = chain.length - 1; j >= 0; j--) - chain[j]._winding = winding; - } - var result = new CompoundPath(); - result.addChildren(tracePaths(segments, operator), true); - _path1.remove(); - if (_path2) - _path2.remove(); - return result.reduce(); - } - - function splitPath(intersections) { - var TOLERANCE = 0.00001, - linearSegments; - - function resetLinear() { - for (var i = 0, l = linearSegments.length; i < l; i++) { - var segment = linearSegments[i]; - segment._handleOut.set(0, 0); - segment._handleIn.set(0, 0); - } - } - - for (var i = intersections.length - 1, curve, prevLoc; i >= 0; i--) { - var loc = intersections[i], - t = loc._parameter; - if (prevLoc && prevLoc._curve === loc._curve - && prevLoc._parameter > 0) { - t /= prevLoc._parameter; - } else { - if (linearSegments) - resetLinear(); - curve = loc._curve; - linearSegments = curve.isLinear() && []; - } - var newCurve, - segment; - if (newCurve = curve.divide(t, true, true)) { - segment = newCurve._segment1; - curve = newCurve.getPrevious(); - } else { - segment = t < TOLERANCE - ? curve._segment1 - : t > 1 - TOLERANCE - ? curve._segment2 - : curve.getPartLength(0, t) < curve.getPartLength(t, 1) - ? curve._segment1 - : curve._segment2; - } - segment._intersection = loc.getIntersection(); - loc._segment = segment; - if (linearSegments) - linearSegments.push(segment); - prevLoc = loc; - } - if (linearSegments) - resetLinear(); - } - - function getWinding(point, curves, horizontal, testContains) { - var TOLERANCE = 0.00001, - x = point.x, - y = point.y, - windLeft = 0, - windRight = 0, - roots = [], - abs = Math.abs, - MAX = 1 - TOLERANCE; - if (horizontal) { - var yTop = -Infinity, - yBottom = Infinity, - yBefore = y - TOLERANCE, - yAfter = y + TOLERANCE; - for (var i = 0, l = curves.length; i < l; i++) { - var values = curves[i].values; - if (Curve.solveCubic(values, 0, x, roots, 0, 1) > 0) { - for (var j = roots.length - 1; j >= 0; j--) { - var y0 = Curve.evaluate(values, roots[j], 0).y; - if (y0 < yBefore && y0 > yTop) { - yTop = y0; - } else if (y0 > yAfter && y0 < yBottom) { - yBottom = y0; - } - } - } - } - yTop = (yTop + y) / 2; - yBottom = (yBottom + y) / 2; - if (yTop > -Infinity) - windLeft = getWinding(new Point(x, yTop), curves); - if (yBottom < Infinity) - windRight = getWinding(new Point(x, yBottom), curves); - } else { - var xBefore = x - TOLERANCE, - xAfter = x + TOLERANCE; - for (var i = 0, l = curves.length; i < l; i++) { - var curve = curves[i], - values = curve.values, - winding = curve.winding, - next = curve.next; - if (winding && (winding === 1 - && y >= values[1] && y <= values[7] - || y >= values[7] && y <= values[1]) - && Curve.solveCubic(values, 1, y, roots, 0, - !next.winding && next.values[1] === y ? 1 : MAX) === 1){ - var t = roots[0], - x0 = Curve.evaluate(values, t, 0).x, - slope = Curve.evaluate(values, t, 1).y; - if (abs(slope) < TOLERANCE && !Curve.isLinear(values) - || t < TOLERANCE && slope * Curve.evaluate( - curve.previous.values, t, 1).y < 0) { - if (testContains && x0 >= xBefore && x0 <= xAfter) { - ++windLeft; - ++windRight; - } - } else if (x0 <= xBefore) { - windLeft += winding; - } else if (x0 >= xAfter) { - windRight += winding; - } - } - } - } - return Math.max(abs(windLeft), abs(windRight)); - } - - function tracePaths(segments, operator, selfOp) { - operator = operator || function() { - return true; - }; - var paths = [], - ZERO = 1e-3, - ONE = 1 - 1e-3; - for (var i = 0, seg, startSeg, l = segments.length; i < l; i++) { - seg = startSeg = segments[i]; - if (seg._visited || !operator(seg._winding)) - continue; - var path = new Path(Item.NO_INSERT), - inter = seg._intersection, - startInterSeg = inter && inter._segment, - added = false, - dir = 1; - do { - var handleIn = dir > 0 ? seg._handleIn : seg._handleOut, - handleOut = dir > 0 ? seg._handleOut : seg._handleIn, - interSeg; - if (added && (!operator(seg._winding) || selfOp) - && (inter = seg._intersection) - && (interSeg = inter._segment) - && interSeg !== startSeg) { - if (selfOp) { - seg._visited = interSeg._visited; - seg = interSeg; - dir = 1; - } else { - var c1 = seg.getCurve(); - if (dir > 0) - c1 = c1.getPrevious(); - var t1 = c1.getTangentAt(dir < 1 ? ZERO : ONE, true), - c4 = interSeg.getCurve(), - c3 = c4.getPrevious(), - t3 = c3.getTangentAt(ONE, true), - t4 = c4.getTangentAt(ZERO, true), - w3 = t1.cross(t3), - w4 = t1.cross(t4); - if (w3 * w4 !== 0) { - var curve = w3 < w4 ? c3 : c4, - nextCurve = operator(curve._segment1._winding) - ? curve - : w3 < w4 ? c4 : c3, - nextSeg = nextCurve._segment1; - dir = nextCurve === c3 ? -1 : 1; - if (nextSeg._visited && seg._path !== nextSeg._path - || !operator(nextSeg._winding)) { - dir = 1; - } else { - seg._visited = interSeg._visited; - seg = interSeg; - if (nextSeg._visited) - dir = 1; - } - } else { - dir = 1; - } - } - handleOut = dir > 0 ? seg._handleOut : seg._handleIn; - } - path.add(new Segment(seg._point, added && handleIn, handleOut)); - added = true; - seg._visited = true; - seg = dir > 0 ? seg.getNext() : seg. getPrevious(); - } while (seg && !seg._visited - && seg !== startSeg && seg !== startInterSeg - && (seg._intersection || operator(seg._winding))); - if (seg && (seg === startSeg || seg === startInterSeg)) { - path.firstSegment.setHandleIn((seg === startInterSeg - ? startInterSeg : seg)._handleIn); - path.setClosed(true); - } else { - path.lastSegment._handleOut.set(0, 0); - } - if (path._segments.length > - (path._closed ? path.isPolygon() ? 2 : 0 : 1)) - paths.push(path); - } - return paths; - } - - return { - _getWinding: function(point, horizontal, testContains) { - return getWinding(point, this._getMonoCurves(), - horizontal, testContains); - }, - - unite: function(path) { - return computeBoolean(this, path, function(w) { - return w === 1 || w === 0; - }, false); - }, - - intersect: function(path) { - return computeBoolean(this, path, function(w) { - return w === 2; - }, false); - }, - - subtract: function(path) { - return computeBoolean(this, path, function(w) { - return w === 1; - }, true); - }, - - exclude: function(path) { - return new Group([this.subtract(path), path.subtract(this)]); - }, - divide: function(path) { - return new Group([this.subtract(path), this.intersect(path)]); - } - }; -}); - -Path.inject({ - _getMonoCurves: function() { - var monoCurves = this._monoCurves, - prevCurve; - - function insertCurve(v) { - var y0 = v[1], - y1 = v[7], - curve = { - values: v, - winding: y0 === y1 - ? 0 - : y0 > y1 - ? -1 - : 1, - previous: prevCurve, - next: null - }; - if (prevCurve) - prevCurve.next = curve; - monoCurves.push(curve); - prevCurve = curve; - } - - function handleCurve(v) { - if (Curve.getLength(v) === 0) - return; - var y0 = v[1], - y1 = v[3], - y2 = v[5], - y3 = v[7]; - if (Curve.isLinear(v)) { - insertCurve(v); - } else { - var a = 3 * (y1 - y2) - y0 + y3, - b = 2 * (y0 + y2) - 4 * y1, - c = y1 - y0, - TOLERANCE = 0.00001, - roots = []; - var count = Numerical.solveQuadratic(a, b, c, roots, TOLERANCE, - 1 - TOLERANCE); - if (count === 0) { - insertCurve(v); - } else { - roots.sort(); - var t = roots[0], - parts = Curve.subdivide(v, t); - insertCurve(parts[0]); - if (count > 1) { - t = (roots[1] - t) / (1 - t); - parts = Curve.subdivide(parts[1], t); - insertCurve(parts[0]); - } - insertCurve(parts[1]); - } - } - } - - if (!monoCurves) { - monoCurves = this._monoCurves = []; - var curves = this.getCurves(), - segments = this._segments; - for (var i = 0, l = curves.length; i < l; i++) - handleCurve(curves[i].getValues()); - if (!this._closed && segments.length > 1) { - var p1 = segments[segments.length - 1]._point, - p2 = segments[0]._point, - p1x = p1._x, p1y = p1._y, - p2x = p2._x, p2y = p2._y; - handleCurve([p1x, p1y, p1x, p1y, p2x, p2y, p2x, p2y]); - } - if (monoCurves.length > 0) { - var first = monoCurves[0], - last = monoCurves[monoCurves.length - 1]; - first.previous = last; - last.next = first; - } - } - return monoCurves; - }, - - getInteriorPoint: function() { - var bounds = this.getBounds(), - point = bounds.getCenter(true); - if (!this.contains(point)) { - var curves = this._getMonoCurves(), - roots = [], - x = point.x, - y = point.y, - xIntercepts = []; - for (var i = 0, l = curves.length; i < l; i++) { - var values = curves[i].values; - if ((curves[i].winding === 1 - && y >= values[1] && y <= values[7] - || y >= values[7] && y <= values[1]) - && Curve.solveCubic(values, 1, y, roots, 0, 1) > 0) { - for (var j = roots.length - 1; j >= 0; j--) - xIntercepts.push(Curve.evaluate(values, roots[j], 0).x); - } - if (xIntercepts.length > 1) - break; - } - point.x = (xIntercepts[0] + xIntercepts[1]) / 2; - } - return point; - }, - - reorient: function() { - this.setClockwise(true); - return this; - } -}); - -CompoundPath.inject({ - _getMonoCurves: function() { - var children = this._children, - monoCurves = []; - for (var i = 0, l = children.length; i < l; i++) - monoCurves.push.apply(monoCurves, children[i]._getMonoCurves()); - return monoCurves; - }, - - reorient: function() { - var children = this.removeChildren().sort(function(a, b) { - return b.getBounds().getArea() - a.getBounds().getArea(); - }); - this.addChildren(children); - var clockwise = children[0].isClockwise(); - for (var i = 1, l = children.length; i < l; i++) { - var point = children[i].getInteriorPoint(), - counters = 0; - for (var j = i - 1; j >= 0; j--) { - if (children[j].contains(point)) - counters++; - } - children[i].setClockwise(counters % 2 === 0 && clockwise); - } - return this; - } -}); - -var PathFlattener = Base.extend({ - initialize: function(path) { - this.curves = []; - this.parts = []; - this.length = 0; - this.index = 0; - - var segments = path._segments, - segment1 = segments[0], - segment2, - that = this; - - function addCurve(segment1, segment2) { - var curve = Curve.getValues(segment1, segment2); - that.curves.push(curve); - that._computeParts(curve, segment1._index, 0, 1); - } - - for (var i = 1, l = segments.length; i < l; i++) { - segment2 = segments[i]; - addCurve(segment1, segment2); - segment1 = segment2; - } - if (path._closed) - addCurve(segment2, segments[0]); - }, - - _computeParts: function(curve, index, minT, maxT) { - if ((maxT - minT) > 1 / 32 && !Curve.isFlatEnough(curve, 0.25)) { - var curves = Curve.subdivide(curve); - var halfT = (minT + maxT) / 2; - this._computeParts(curves[0], index, minT, halfT); - this._computeParts(curves[1], index, halfT, maxT); - } else { - var x = curve[6] - curve[0], - y = curve[7] - curve[1], - dist = Math.sqrt(x * x + y * y); - if (dist > 0.00001) { - this.length += dist; - this.parts.push({ - offset: this.length, - value: maxT, - index: index - }); - } - } - }, - - getParameterAt: function(offset) { - var i, j = this.index; - for (;;) { - i = j; - if (j == 0 || this.parts[--j].offset < offset) - break; - } - for (var l = this.parts.length; i < l; i++) { - var part = this.parts[i]; - if (part.offset >= offset) { - this.index = i; - var prev = this.parts[i - 1]; - var prevVal = prev && prev.index == part.index ? prev.value : 0, - prevLen = prev ? prev.offset : 0; - return { - value: prevVal + (part.value - prevVal) - * (offset - prevLen) / (part.offset - prevLen), - index: part.index - }; - } - } - var part = this.parts[this.parts.length - 1]; - return { - value: 1, - index: part.index - }; - }, - - evaluate: function(offset, type) { - var param = this.getParameterAt(offset); - return Curve.evaluate(this.curves[param.index], param.value, type); - }, - - drawPart: function(ctx, from, to) { - from = this.getParameterAt(from); - to = this.getParameterAt(to); - for (var i = from.index; i <= to.index; i++) { - var curve = Curve.getPart(this.curves[i], - i == from.index ? from.value : 0, - i == to.index ? to.value : 1); - if (i == from.index) - ctx.moveTo(curve[0], curve[1]); - ctx.bezierCurveTo.apply(ctx, curve.slice(2)); - } - } -}); - -var PathFitter = Base.extend({ - initialize: function(path, error) { - this.points = []; - var segments = path._segments, - prev; - for (var i = 0, l = segments.length; i < l; i++) { - var point = segments[i].point.clone(); - if (!prev || !prev.equals(point)) { - this.points.push(point); - prev = point; - } - } - this.error = error; - }, - - fit: function() { - var points = this.points, - length = points.length; - this.segments = length > 0 ? [new Segment(points[0])] : []; - if (length > 1) - this.fitCubic(0, length - 1, - points[1].subtract(points[0]).normalize(), - points[length - 2].subtract(points[length - 1]).normalize()); - return this.segments; - }, - - fitCubic: function(first, last, tan1, tan2) { - if (last - first == 1) { - var pt1 = this.points[first], - pt2 = this.points[last], - dist = pt1.getDistance(pt2) / 3; - this.addCurve([pt1, pt1.add(tan1.normalize(dist)), - pt2.add(tan2.normalize(dist)), pt2]); - return; - } - var uPrime = this.chordLengthParameterize(first, last), - maxError = Math.max(this.error, this.error * this.error), - split; - for (var i = 0; i <= 4; i++) { - var curve = this.generateBezier(first, last, uPrime, tan1, tan2); - var max = this.findMaxError(first, last, curve, uPrime); - if (max.error < this.error) { - this.addCurve(curve); - return; - } - split = max.index; - if (max.error >= maxError) - break; - this.reparameterize(first, last, uPrime, curve); - maxError = max.error; - } - var V1 = this.points[split - 1].subtract(this.points[split]), - V2 = this.points[split].subtract(this.points[split + 1]), - tanCenter = V1.add(V2).divide(2).normalize(); - this.fitCubic(first, split, tan1, tanCenter); - this.fitCubic(split, last, tanCenter.negate(), tan2); - }, - - addCurve: function(curve) { - var prev = this.segments[this.segments.length - 1]; - prev.setHandleOut(curve[1].subtract(curve[0])); - this.segments.push( - new Segment(curve[3], curve[2].subtract(curve[3]))); - }, - - generateBezier: function(first, last, uPrime, tan1, tan2) { - var epsilon = 1e-11, - pt1 = this.points[first], - pt2 = this.points[last], - C = [[0, 0], [0, 0]], - X = [0, 0]; - - for (var i = 0, l = last - first + 1; i < l; i++) { - var u = uPrime[i], - t = 1 - u, - b = 3 * u * t, - b0 = t * t * t, - b1 = b * t, - b2 = b * u, - b3 = u * u * u, - a1 = tan1.normalize(b1), - a2 = tan2.normalize(b2), - tmp = this.points[first + i] - .subtract(pt1.multiply(b0 + b1)) - .subtract(pt2.multiply(b2 + b3)); - C[0][0] += a1.dot(a1); - C[0][1] += a1.dot(a2); - C[1][0] = C[0][1]; - C[1][1] += a2.dot(a2); - X[0] += a1.dot(tmp); - X[1] += a2.dot(tmp); - } - - var detC0C1 = C[0][0] * C[1][1] - C[1][0] * C[0][1], - alpha1, alpha2; - if (Math.abs(detC0C1) > epsilon) { - var detC0X = C[0][0] * X[1] - C[1][0] * X[0], - detXC1 = X[0] * C[1][1] - X[1] * C[0][1]; - alpha1 = detXC1 / detC0C1; - alpha2 = detC0X / detC0C1; - } else { - var c0 = C[0][0] + C[0][1], - c1 = C[1][0] + C[1][1]; - if (Math.abs(c0) > epsilon) { - alpha1 = alpha2 = X[0] / c0; - } else if (Math.abs(c1) > epsilon) { - alpha1 = alpha2 = X[1] / c1; - } else { - alpha1 = alpha2 = 0; - } - } - - var segLength = pt2.getDistance(pt1); - epsilon *= segLength; - if (alpha1 < epsilon || alpha2 < epsilon) { - alpha1 = alpha2 = segLength / 3; - } - - return [pt1, pt1.add(tan1.normalize(alpha1)), - pt2.add(tan2.normalize(alpha2)), pt2]; - }, - - reparameterize: function(first, last, u, curve) { - for (var i = first; i <= last; i++) { - u[i - first] = this.findRoot(curve, this.points[i], u[i - first]); - } - }, - - findRoot: function(curve, point, u) { - var curve1 = [], - curve2 = []; - for (var i = 0; i <= 2; i++) { - curve1[i] = curve[i + 1].subtract(curve[i]).multiply(3); - } - for (var i = 0; i <= 1; i++) { - curve2[i] = curve1[i + 1].subtract(curve1[i]).multiply(2); - } - var pt = this.evaluate(3, curve, u), - pt1 = this.evaluate(2, curve1, u), - pt2 = this.evaluate(1, curve2, u), - diff = pt.subtract(point), - df = pt1.dot(pt1) + diff.dot(pt2); - if (Math.abs(df) < 0.00001) - return u; - return u - diff.dot(pt1) / df; - }, - - evaluate: function(degree, curve, t) { - var tmp = curve.slice(); - for (var i = 1; i <= degree; i++) { - for (var j = 0; j <= degree - i; j++) { - tmp[j] = tmp[j].multiply(1 - t).add(tmp[j + 1].multiply(t)); - } - } - return tmp[0]; - }, - - chordLengthParameterize: function(first, last) { - var u = [0]; - for (var i = first + 1; i <= last; i++) { - u[i - first] = u[i - first - 1] - + this.points[i].getDistance(this.points[i - 1]); - } - for (var i = 1, m = last - first; i <= m; i++) { - u[i] /= u[m]; - } - return u; - }, - - findMaxError: function(first, last, curve, u) { - var index = Math.floor((last - first + 1) / 2), - maxDist = 0; - for (var i = first + 1; i < last; i++) { - var P = this.evaluate(3, curve, u[i - first]); - var v = P.subtract(this.points[i]); - var dist = v.x * v.x + v.y * v.y; - if (dist >= maxDist) { - maxDist = dist; - index = i; - } - } - return { - error: maxDist, - index: index - }; - } -}); - -var TextItem = Item.extend({ - _class: 'TextItem', - _boundsSelected: true, - _applyMatrix: false, - _canApplyMatrix: false, - _serializeFields: { - content: null - }, - _boundsGetter: 'getBounds', - - initialize: function TextItem(arg) { - this._content = ''; - this._lines = []; - var hasProps = arg && Base.isPlainObject(arg) - && arg.x === undefined && arg.y === undefined; - this._initialize(hasProps && arg, !hasProps && Point.read(arguments)); - }, - - _equals: function(item) { - return this._content === item._content; - }, - - _clone: function _clone(copy) { - copy.setContent(this._content); - return _clone.base.call(this, copy); - }, - - getContent: function() { - return this._content; - }, - - setContent: function(content) { - this._content = '' + content; - this._lines = this._content.split(/\r\n|\n|\r/mg); - this._changed(265); - }, - - isEmpty: function() { - return !this._content; - }, - - getCharacterStyle: '#getStyle', - setCharacterStyle: '#setStyle', - - getParagraphStyle: '#getStyle', - setParagraphStyle: '#setStyle' -}); - -var PointText = TextItem.extend({ - _class: 'PointText', - - initialize: function PointText() { - TextItem.apply(this, arguments); - }, - - clone: function(insert) { - return this._clone(new PointText(Item.NO_INSERT), insert); - }, - - getPoint: function() { - var point = this._matrix.getTranslation(); - return new LinkedPoint(point.x, point.y, this, 'setPoint'); - }, - - setPoint: function() { - var point = Point.read(arguments); - this.translate(point.subtract(this._matrix.getTranslation())); - }, - - _draw: function(ctx) { - if (!this._content) - return; - this._setStyles(ctx); - var style = this._style, - lines = this._lines, - leading = style.getLeading(), - shadowColor = ctx.shadowColor; - ctx.font = style.getFontStyle(); - ctx.textAlign = style.getJustification(); - for (var i = 0, l = lines.length; i < l; i++) { - ctx.shadowColor = shadowColor; - var line = lines[i]; - if (style.hasFill()) { - ctx.fillText(line, 0, 0); - ctx.shadowColor = 'rgba(0,0,0,0)'; - } - if (style.hasStroke()) - ctx.strokeText(line, 0, 0); - ctx.translate(0, leading); - } - }, - - _getBounds: function(getter, matrix) { - var style = this._style, - lines = this._lines, - numLines = lines.length, - justification = style.getJustification(), - leading = style.getLeading(), - width = this.getView().getTextWidth(style.getFontStyle(), lines), - x = 0; - if (justification !== 'left') - x -= width / (justification === 'center' ? 2: 1); - var bounds = new Rectangle(x, - numLines ? - 0.75 * leading : 0, - width, numLines * leading); - return matrix ? matrix._transformBounds(bounds, bounds) : bounds; - } -}); - -var Color = Base.extend(new function() { - - var types = { - gray: ['gray'], - rgb: ['red', 'green', 'blue'], - hsb: ['hue', 'saturation', 'brightness'], - hsl: ['hue', 'saturation', 'lightness'], - gradient: ['gradient', 'origin', 'destination', 'highlight'] - }; - - var componentParsers = {}, - colorCache = {}, - colorCtx; - - function fromCSS(string) { - var match = string.match(/^#(\w{1,2})(\w{1,2})(\w{1,2})$/), - components; - if (match) { - components = [0, 0, 0]; - for (var i = 0; i < 3; i++) { - var value = match[i + 1]; - components[i] = parseInt(value.length == 1 - ? value + value : value, 16) / 255; - } - } else if (match = string.match(/^rgba?\((.*)\)$/)) { - components = match[1].split(','); - for (var i = 0, l = components.length; i < l; i++) { - var value = +components[i]; - components[i] = i < 3 ? value / 255 : value; - } - } else { - var cached = colorCache[string]; - if (!cached) { - if (!colorCtx) { - colorCtx = CanvasProvider.getContext(1, 1); - colorCtx.globalCompositeOperation = 'copy'; - } - colorCtx.fillStyle = 'rgba(0,0,0,0)'; - colorCtx.fillStyle = string; - colorCtx.fillRect(0, 0, 1, 1); - var data = colorCtx.getImageData(0, 0, 1, 1).data; - cached = colorCache[string] = [ - data[0] / 255, - data[1] / 255, - data[2] / 255 - ]; - } - components = cached.slice(); - } - return components; - } - - var hsbIndices = [ - [0, 3, 1], - [2, 0, 1], - [1, 0, 3], - [1, 2, 0], - [3, 1, 0], - [0, 1, 2] - ]; - - var converters = { - 'rgb-hsb': function(r, g, b) { - var max = Math.max(r, g, b), - min = Math.min(r, g, b), - delta = max - min, - h = delta === 0 ? 0 - : ( max == r ? (g - b) / delta + (g < b ? 6 : 0) - : max == g ? (b - r) / delta + 2 - : (r - g) / delta + 4) * 60; - return [h, max === 0 ? 0 : delta / max, max]; - }, - - 'hsb-rgb': function(h, s, b) { - h = (((h / 60) % 6) + 6) % 6; - var i = Math.floor(h), - f = h - i, - i = hsbIndices[i], - v = [ - b, - b * (1 - s), - b * (1 - s * f), - b * (1 - s * (1 - f)) - ]; - return [v[i[0]], v[i[1]], v[i[2]]]; - }, - - 'rgb-hsl': function(r, g, b) { - var max = Math.max(r, g, b), - min = Math.min(r, g, b), - delta = max - min, - achromatic = delta === 0, - h = achromatic ? 0 - : ( max == r ? (g - b) / delta + (g < b ? 6 : 0) - : max == g ? (b - r) / delta + 2 - : (r - g) / delta + 4) * 60, - l = (max + min) / 2, - s = achromatic ? 0 : l < 0.5 - ? delta / (max + min) - : delta / (2 - max - min); - return [h, s, l]; - }, - - 'hsl-rgb': function(h, s, l) { - h = (((h / 360) % 1) + 1) % 1; - if (s === 0) - return [l, l, l]; - var t3s = [ h + 1 / 3, h, h - 1 / 3 ], - t2 = l < 0.5 ? l * (1 + s) : l + s - l * s, - t1 = 2 * l - t2, - c = []; - for (var i = 0; i < 3; i++) { - var t3 = t3s[i]; - if (t3 < 0) t3 += 1; - if (t3 > 1) t3 -= 1; - c[i] = 6 * t3 < 1 - ? t1 + (t2 - t1) * 6 * t3 - : 2 * t3 < 1 - ? t2 - : 3 * t3 < 2 - ? t1 + (t2 - t1) * ((2 / 3) - t3) * 6 - : t1; - } - return c; - }, - - 'rgb-gray': function(r, g, b) { - return [r * 0.2989 + g * 0.587 + b * 0.114]; - }, - - 'gray-rgb': function(g) { - return [g, g, g]; - }, - - 'gray-hsb': function(g) { - return [0, 0, g]; - }, - - 'gray-hsl': function(g) { - return [0, 0, g]; - }, - - 'gradient-rgb': function() { - return []; - }, - - 'rgb-gradient': function() { - return []; - } - - }; - - return Base.each(types, function(properties, type) { - componentParsers[type] = []; - Base.each(properties, function(name, index) { - var part = Base.capitalize(name), - hasOverlap = /^(hue|saturation)$/.test(name), - parser = componentParsers[type][index] = name === 'gradient' - ? function(value) { - var current = this._components[0]; - value = Gradient.read(Array.isArray(value) ? value - : arguments, 0, { readNull: true }); - if (current !== value) { - if (current) - current._removeOwner(this); - if (value) - value._addOwner(this); - } - return value; - } - : type === 'gradient' - ? function() { - return Point.read(arguments, 0, { - readNull: name === 'highlight', - clone: true - }); - } - : function(value) { - return value == null || isNaN(value) ? 0 : value; - }; - - this['get' + part] = function() { - return this._type === type - || hasOverlap && /^hs[bl]$/.test(this._type) - ? this._components[index] - : this._convert(type)[index]; - }; - - this['set' + part] = function(value) { - if (this._type !== type - && !(hasOverlap && /^hs[bl]$/.test(this._type))) { - this._components = this._convert(type); - this._properties = types[type]; - this._type = type; - } - value = parser.call(this, value); - if (value != null) { - this._components[index] = value; - this._changed(); - } - }; - }, this); - }, { - _class: 'Color', - _readIndex: true, - - initialize: function Color(arg) { - var slice = Array.prototype.slice, - args = arguments, - read = 0, - type, - components, - alpha, - values; - if (Array.isArray(arg)) { - args = arg; - arg = args[0]; - } - var argType = arg != null && typeof arg; - if (argType === 'string' && arg in types) { - type = arg; - arg = args[1]; - if (Array.isArray(arg)) { - components = arg; - alpha = args[2]; - } else { - if (this.__read) - read = 1; - args = slice.call(args, 1); - argType = typeof arg; - } - } - if (!components) { - values = argType === 'number' - ? args - : argType === 'object' && arg.length != null - ? arg - : null; - if (values) { - if (!type) - type = values.length >= 3 - ? 'rgb' - : 'gray'; - var length = types[type].length; - alpha = values[length]; - if (this.__read) - read += values === arguments - ? length + (alpha != null ? 1 : 0) - : 1; - if (values.length > length) - values = slice.call(values, 0, length); - } else if (argType === 'string') { - type = 'rgb'; - components = fromCSS(arg); - if (components.length === 4) { - alpha = components[3]; - components.length--; - } - } else if (argType === 'object') { - if (arg.constructor === Color) { - type = arg._type; - components = arg._components.slice(); - alpha = arg._alpha; - if (type === 'gradient') { - for (var i = 1, l = components.length; i < l; i++) { - var point = components[i]; - if (point) - components[i] = point.clone(); - } - } - } else if (arg.constructor === Gradient) { - type = 'gradient'; - values = args; - } else { - type = 'hue' in arg - ? 'lightness' in arg - ? 'hsl' - : 'hsb' - : 'gradient' in arg || 'stops' in arg - || 'radial' in arg - ? 'gradient' - : 'gray' in arg - ? 'gray' - : 'rgb'; - var properties = types[type]; - parsers = componentParsers[type]; - this._components = components = []; - for (var i = 0, l = properties.length; i < l; i++) { - var value = arg[properties[i]]; - if (value == null && i === 0 && type === 'gradient' - && 'stops' in arg) { - value = { - stops: arg.stops, - radial: arg.radial - }; - } - value = parsers[i].call(this, value); - if (value != null) - components[i] = value; - } - alpha = arg.alpha; - } - } - if (this.__read && type) - read = 1; - } - this._type = type || 'rgb'; - if (type === 'gradient') - this._id = Color._id = (Color._id || 0) + 1; - if (!components) { - this._components = components = []; - var parsers = componentParsers[this._type]; - for (var i = 0, l = parsers.length; i < l; i++) { - var value = parsers[i].call(this, values && values[i]); - if (value != null) - components[i] = value; - } - } - this._components = components; - this._properties = types[this._type]; - this._alpha = alpha; - if (this.__read) - this.__read = read; - }, - - _serialize: function(options, dictionary) { - var components = this.getComponents(); - return Base.serialize( - /^(gray|rgb)$/.test(this._type) - ? components - : [this._type].concat(components), - options, true, dictionary); - }, - - _changed: function() { - this._canvasStyle = null; - if (this._owner) - this._owner._changed(65); - }, - - _convert: function(type) { - var converter; - return this._type === type - ? this._components.slice() - : (converter = converters[this._type + '-' + type]) - ? converter.apply(this, this._components) - : converters['rgb-' + type].apply(this, - converters[this._type + '-rgb'].apply(this, - this._components)); - }, - - convert: function(type) { - return new Color(type, this._convert(type), this._alpha); - }, - - getType: function() { - return this._type; - }, - - setType: function(type) { - this._components = this._convert(type); - this._properties = types[type]; - this._type = type; - }, - - getComponents: function() { - var components = this._components.slice(); - if (this._alpha != null) - components.push(this._alpha); - return components; - }, - - getAlpha: function() { - return this._alpha != null ? this._alpha : 1; - }, - - setAlpha: function(alpha) { - this._alpha = alpha == null ? null : Math.min(Math.max(alpha, 0), 1); - this._changed(); - }, - - hasAlpha: function() { - return this._alpha != null; - }, - - equals: function(color) { - var col = Base.isPlainValue(color) - ? Color.read(arguments) - : color; - return col === this || col && this._class === col._class - && this._type === col._type - && this._alpha === col._alpha - && Base.equals(this._components, col._components) - || false; - }, - - toString: function() { - var properties = this._properties, - parts = [], - isGradient = this._type === 'gradient', - f = Formatter.instance; - for (var i = 0, l = properties.length; i < l; i++) { - var value = this._components[i]; - if (value != null) - parts.push(properties[i] + ': ' - + (isGradient ? value : f.number(value))); - } - if (this._alpha != null) - parts.push('alpha: ' + f.number(this._alpha)); - return '{ ' + parts.join(', ') + ' }'; - }, - - toCSS: function(hex) { - var components = this._convert('rgb'), - alpha = hex || this._alpha == null ? 1 : this._alpha; - function convert(val) { - return Math.round((val < 0 ? 0 : val > 1 ? 1 : val) * 255); - } - components = [ - convert(components[0]), - convert(components[1]), - convert(components[2]) - ]; - if (alpha < 1) - components.push(alpha < 0 ? 0 : alpha); - return hex - ? '#' + ((1 << 24) + (components[0] << 16) - + (components[1] << 8) - + components[2]).toString(16).slice(1) - : (components.length == 4 ? 'rgba(' : 'rgb(') - + components.join(',') + ')'; - }, - - toCanvasStyle: function(ctx) { - if (this._canvasStyle) - return this._canvasStyle; - if (this._type !== 'gradient') - return this._canvasStyle = this.toCSS(); - var components = this._components, - gradient = components[0], - stops = gradient._stops, - origin = components[1], - destination = components[2], - canvasGradient; - if (gradient._radial) { - var radius = destination.getDistance(origin), - highlight = components[3]; - if (highlight) { - var vector = highlight.subtract(origin); - if (vector.getLength() > radius) - highlight = origin.add(vector.normalize(radius - 0.1)); - } - var start = highlight || origin; - canvasGradient = ctx.createRadialGradient(start.x, start.y, - 0, origin.x, origin.y, radius); - } else { - canvasGradient = ctx.createLinearGradient(origin.x, origin.y, - destination.x, destination.y); - } - for (var i = 0, l = stops.length; i < l; i++) { - var stop = stops[i]; - canvasGradient.addColorStop(stop._rampPoint, - stop._color.toCanvasStyle()); - } - return this._canvasStyle = canvasGradient; - }, - - transform: function(matrix) { - if (this._type === 'gradient') { - var components = this._components; - for (var i = 1, l = components.length; i < l; i++) { - var point = components[i]; - matrix._transformPoint(point, point, true); - } - this._changed(); - } - }, - - statics: { - _types: types, - - random: function() { - var random = Math.random; - return new Color(random(), random(), random()); - } - } - }); -}, new function() { - var operators = { - add: function(a, b) { - return a + b; - }, - - subtract: function(a, b) { - return a - b; - }, - - multiply: function(a, b) { - return a * b; - }, - - divide: function(a, b) { - return a / b; - } - }; - - return Base.each(operators, function(operator, name) { - this[name] = function(color) { - color = Color.read(arguments); - var type = this._type, - components1 = this._components, - components2 = color._convert(type); - for (var i = 0, l = components1.length; i < l; i++) - components2[i] = operator(components1[i], components2[i]); - return new Color(type, components2, - this._alpha != null - ? operator(this._alpha, color.getAlpha()) - : null); - }; - }, { - }); -}); - -Base.each(Color._types, function(properties, type) { - var ctor = this[Base.capitalize(type) + 'Color'] = function(arg) { - var argType = arg != null && typeof arg, - components = argType === 'object' && arg.length != null - ? arg - : argType === 'string' - ? null - : arguments; - return components - ? new Color(type, components) - : new Color(arg); - }; - if (type.length == 3) { - var acronym = type.toUpperCase(); - Color[acronym] = this[acronym + 'Color'] = ctor; - } -}, Base.exports); - -var Gradient = Base.extend({ - _class: 'Gradient', - - initialize: function Gradient(stops, radial) { - this._id = Gradient._id = (Gradient._id || 0) + 1; - if (stops && this._set(stops)) - stops = radial = null; - if (!this._stops) - this.setStops(stops || ['white', 'black']); - if (this._radial == null) - this.setRadial(typeof radial === 'string' && radial === 'radial' - || radial || false); - }, - - _serialize: function(options, dictionary) { - return dictionary.add(this, function() { - return Base.serialize([this._stops, this._radial], - options, true, dictionary); - }); - }, - - _changed: function() { - for (var i = 0, l = this._owners && this._owners.length; i < l; i++) - this._owners[i]._changed(); - }, - - _addOwner: function(color) { - if (!this._owners) - this._owners = []; - this._owners.push(color); - }, - - _removeOwner: function(color) { - var index = this._owners ? this._owners.indexOf(color) : -1; - if (index != -1) { - this._owners.splice(index, 1); - if (this._owners.length === 0) - this._owners = undefined; - } - }, - - clone: function() { - var stops = []; - for (var i = 0, l = this._stops.length; i < l; i++) - stops[i] = this._stops[i].clone(); - return new Gradient(stops); - }, - - getStops: function() { - return this._stops; - }, - - setStops: function(stops) { - if (this.stops) { - for (var i = 0, l = this._stops.length; i < l; i++) - this._stops[i]._owner = undefined; - } - if (stops.length < 2) - throw new Error( - 'Gradient stop list needs to contain at least two stops.'); - this._stops = GradientStop.readAll(stops, 0, { clone: true }); - for (var i = 0, l = this._stops.length; i < l; i++) { - var stop = this._stops[i]; - stop._owner = this; - if (stop._defaultRamp) - stop.setRampPoint(i / (l - 1)); - } - this._changed(); - }, - - getRadial: function() { - return this._radial; - }, - - setRadial: function(radial) { - this._radial = radial; - this._changed(); - }, - - equals: function(gradient) { - if (gradient === this) - return true; - if (gradient && this._class === gradient._class - && this._stops.length === gradient._stops.length) { - for (var i = 0, l = this._stops.length; i < l; i++) { - if (!this._stops[i].equals(gradient._stops[i])) - return false; - } - return true; - } - return false; - } -}); - -var GradientStop = Base.extend({ - _class: 'GradientStop', - - initialize: function GradientStop(arg0, arg1) { - if (arg0) { - var color, rampPoint; - if (arg1 === undefined && Array.isArray(arg0)) { - color = arg0[0]; - rampPoint = arg0[1]; - } else if (arg0.color) { - color = arg0.color; - rampPoint = arg0.rampPoint; - } else { - color = arg0; - rampPoint = arg1; - } - this.setColor(color); - this.setRampPoint(rampPoint); - } - }, - - clone: function() { - return new GradientStop(this._color.clone(), this._rampPoint); - }, - - _serialize: function(options, dictionary) { - return Base.serialize([this._color, this._rampPoint], options, true, - dictionary); - }, - - _changed: function() { - if (this._owner) - this._owner._changed(65); - }, - - getRampPoint: function() { - return this._rampPoint; - }, - - setRampPoint: function(rampPoint) { - this._defaultRamp = rampPoint == null; - this._rampPoint = rampPoint || 0; - this._changed(); - }, - - getColor: function() { - return this._color; - }, - - setColor: function(color) { - this._color = Color.read(arguments); - if (this._color === color) - this._color = color.clone(); - this._color._owner = this; - this._changed(); - }, - - equals: function(stop) { - return stop === this || stop && this._class === stop._class - && this._color.equals(stop._color) - && this._rampPoint == stop._rampPoint - || false; - } -}); - -var Style = Base.extend(new function() { - var defaults = { - fillColor: undefined, - strokeColor: undefined, - strokeWidth: 1, - strokeCap: 'butt', - strokeJoin: 'miter', - miterLimit: 10, - dashOffset: 0, - dashArray: [], - windingRule: 'nonzero', - shadowColor: undefined, - shadowBlur: 0, - shadowOffset: new Point(), - selectedColor: undefined, - fontFamily: 'sans-serif', - fontWeight: 'normal', - fontSize: 12, - font: 'sans-serif', - leading: null, - justification: 'left' - }; - - var flags = { - strokeWidth: 97, - strokeCap: 97, - strokeJoin: 97, - miterLimit: 97, - fontFamily: 9, - fontWeight: 9, - fontSize: 9, - font: 9, - leading: 9, - justification: 9 - }; - - var item = {}, - fields = { - _defaults: defaults, - _textDefaults: new Base(defaults, { - fillColor: new Color() - }) - }; - - Base.each(defaults, function(value, key) { - var isColor = /Color$/.test(key), - part = Base.capitalize(key), - flag = flags[key], - set = 'set' + part, - get = 'get' + part; - - fields[set] = function(value) { - var owner = this._owner, - children = owner && owner._children; - if (children && children.length > 0 - && !(owner instanceof CompoundPath)) { - for (var i = 0, l = children.length; i < l; i++) - children[i]._style[set](value); - } else { - var old = this._values[key]; - if (old != value) { - if (isColor) { - if (old) - old._owner = undefined; - if (value && value.constructor === Color) { - if (value._owner) - value = value.clone(); - value._owner = owner; - } - } - this._values[key] = value; - if (owner) - owner._changed(flag || 65); - } - } - }; - - fields[get] = function(_dontMerge) { - var owner = this._owner, - children = owner && owner._children, - value; - if (!children || children.length === 0 || _dontMerge - || owner instanceof CompoundPath) { - var value = this._values[key]; - if (value === undefined) { - value = this._defaults[key]; - if (value && value.clone) - value = value.clone(); - this._values[key] = value; - } else if (isColor && !(value && value.constructor === Color)) { - this._values[key] = value = Color.read([value], 0, - { readNull: true, clone: true }); - if (value) - value._owner = owner; - } - return value; - } - for (var i = 0, l = children.length; i < l; i++) { - var childValue = children[i]._style[get](); - if (i === 0) { - value = childValue; - } else if (!Base.equals(value, childValue)) { - return undefined; - } - } - return value; - }; - - item[get] = function() { - return this._style[get](); - }; - - item[set] = function(value) { - this._style[set](value); - }; - }); - - Item.inject(item); - return fields; -}, { - _class: 'Style', - - initialize: function Style(style, _owner, _project) { - this._values = {}; - this._owner = _owner; - this._project = _owner && _owner._project || _project || paper.project; - if (_owner instanceof TextItem) - this._defaults = this._textDefaults; - if (style) - this.set(style); - }, - - set: function(style) { - var isStyle = style instanceof Style, - values = isStyle ? style._values : style; - if (values) { - for (var key in values) { - if (key in this._defaults) { - var value = values[key]; - this[key] = value && isStyle && value.clone - ? value.clone() : value; - } - } - } - }, - - equals: function(style) { - return style === this || style && this._class === style._class - && Base.equals(this._values, style._values) - || false; - }, - - hasFill: function() { - return !!this.getFillColor(); - }, - - hasStroke: function() { - return !!this.getStrokeColor() && this.getStrokeWidth() > 0; - }, - - hasShadow: function() { - return !!this.getShadowColor() && this.getShadowBlur() > 0; - }, - - getView: function() { - return this._project.getView(); - }, - - getFontStyle: function() { - var fontSize = this.getFontSize(); - return this.getFontWeight() - + ' ' + fontSize + (/\w/i.test(fontSize + '') ? ' ' : 'px ') - + this.getFontFamily(); - }, - - getFont: '#getFontFamily', - setFont: '#setFontFamily', - - getLeading: function getLeading() { - var leading = getLeading.base.call(this), - fontSize = this.getFontSize(); - if (/pt|em|%|px/.test(fontSize)) - fontSize = this.getView().getPixelSize(fontSize); - return leading != null ? leading : fontSize * 1.2; - } - -}); - -var DomElement = new function() { - - var special = /^(checked|value|selected|disabled)$/i, - translated = { text: 'textContent', html: 'innerHTML' }, - unitless = { lineHeight: 1, zoom: 1, zIndex: 1, opacity: 1 }; - - function create(nodes, parent) { - var res = []; - for (var i = 0, l = nodes && nodes.length; i < l;) { - var el = nodes[i++]; - if (typeof el === 'string') { - el = document.createElement(el); - } else if (!el || !el.nodeType) { - continue; - } - if (Base.isPlainObject(nodes[i])) - DomElement.set(el, nodes[i++]); - if (Array.isArray(nodes[i])) - create(nodes[i++], el); - if (parent) - parent.appendChild(el); - res.push(el); - } - return res; - } - - function handlePrefix(el, name, set, value) { - var prefixes = ['webkit', 'moz', 'Moz', 'ms', 'o', ''], - suffix = name[0].toUpperCase() + name.substring(1); - for (var i = 0; i < 6; i++) { - var prefix = prefixes[i], - key = prefix ? prefix + suffix : name; - if (key in el) { - if (set) { - el[key] = value; - } else { - return el[key]; - } - break; - } - } - } - - return { - create: function(nodes, parent) { - var isArray = Array.isArray(nodes), - res = create(isArray ? nodes : arguments, isArray ? parent : null); - return res.length == 1 ? res[0] : res; - }, - - find: function(selector, root) { - return (root || document).querySelector(selector); - }, - - findAll: function(selector, root) { - return (root || document).querySelectorAll(selector); - }, - - get: function(el, key) { - return el - ? special.test(key) - ? key === 'value' || typeof el[key] !== 'string' - ? el[key] - : true - : key in translated - ? el[translated[key]] - : el.getAttribute(key) - : null; - }, - - set: function(el, key, value) { - if (typeof key !== 'string') { - for (var name in key) - if (key.hasOwnProperty(name)) - this.set(el, name, key[name]); - } else if (!el || value === undefined) { - return el; - } else if (special.test(key)) { - el[key] = value; - } else if (key in translated) { - el[translated[key]] = value; - } else if (key === 'style') { - this.setStyle(el, value); - } else if (key === 'events') { - DomEvent.add(el, value); - } else { - el.setAttribute(key, value); - } - return el; - }, - - getStyles: function(el) { - var doc = el && el.nodeType !== 9 ? el.ownerDocument : el, - view = doc && doc.defaultView; - return view && view.getComputedStyle(el, ''); - }, - - getStyle: function(el, key) { - return el && el.style[key] || this.getStyles(el)[key] || null; - }, - - setStyle: function(el, key, value) { - if (typeof key !== 'string') { - for (var name in key) - if (key.hasOwnProperty(name)) - this.setStyle(el, name, key[name]); - } else { - if (/^-?[\d\.]+$/.test(value) && !(key in unitless)) - value += 'px'; - el.style[key] = value; - } - return el; - }, - - hasClass: function(el, cls) { - return new RegExp('\\s*' + cls + '\\s*').test(el.className); - }, - - addClass: function(el, cls) { - el.className = (el.className + ' ' + cls).trim(); - }, - - removeClass: function(el, cls) { - el.className = el.className.replace( - new RegExp('\\s*' + cls + '\\s*'), ' ').trim(); - }, - - remove: function(el) { - if (el.parentNode) - el.parentNode.removeChild(el); - }, - - removeChildren: function(el) { - while (el.firstChild) - el.removeChild(el.firstChild); - }, - - getBounds: function(el, viewport) { - var doc = el.ownerDocument, - body = doc.body, - html = doc.documentElement, - rect; - try { - rect = el.getBoundingClientRect(); - } catch (e) { - rect = { left: 0, top: 0, width: 0, height: 0 }; - } - var x = rect.left - (html.clientLeft || body.clientLeft || 0), - y = rect.top - (html.clientTop || body.clientTop || 0); - if (!viewport) { - var view = doc.defaultView; - x += view.pageXOffset || html.scrollLeft || body.scrollLeft; - y += view.pageYOffset || html.scrollTop || body.scrollTop; - } - return new Rectangle(x, y, rect.width, rect.height); - }, - - getViewportBounds: function(el) { - var doc = el.ownerDocument, - view = doc.defaultView, - html = doc.documentElement; - return new Rectangle(0, 0, - view.innerWidth || html.clientWidth, - view.innerHeight || html.clientHeight - ); - }, - - getOffset: function(el, viewport) { - return this.getBounds(el, viewport).getPoint(); - }, - - getSize: function(el) { - return this.getBounds(el, true).getSize(); - }, - - isInvisible: function(el) { - return this.getSize(el).equals(new Size(0, 0)); - }, - - isInView: function(el) { - return !this.isInvisible(el) && this.getViewportBounds(el).intersects( - this.getBounds(el, true)); - }, - - getPrefixed: function(el, name) { - return handlePrefix(el, name); - }, - - setPrefixed: function(el, name, value) { - if (typeof name === 'object') { - for (var key in name) - handlePrefix(el, key, true, name[key]); - } else { - handlePrefix(el, name, true, value); - } - } - }; -}; - -var DomEvent = { - add: function(el, events) { - for (var type in events) { - var func = events[type], - parts = type.split(/[\s,]+/g); - for (var i = 0, l = parts.length; i < l; i++) - el.addEventListener(parts[i], func, false); - } - }, - - remove: function(el, events) { - for (var type in events) { - var func = events[type], - parts = type.split(/[\s,]+/g); - for (var i = 0, l = parts.length; i < l; i++) - el.removeEventListener(parts[i], func, false); - } - }, - - getPoint: function(event) { - var pos = event.targetTouches - ? event.targetTouches.length - ? event.targetTouches[0] - : event.changedTouches[0] - : event; - return new Point( - pos.pageX || pos.clientX + document.documentElement.scrollLeft, - pos.pageY || pos.clientY + document.documentElement.scrollTop - ); - }, - - getTarget: function(event) { - return event.target || event.srcElement; - }, - - getRelatedTarget: function(event) { - return event.relatedTarget || event.toElement; - }, - - getOffset: function(event, target) { - return DomEvent.getPoint(event).subtract(DomElement.getOffset( - target || DomEvent.getTarget(event))); - }, - - stop: function(event) { - event.stopPropagation(); - event.preventDefault(); - } -}; - -DomEvent.requestAnimationFrame = new function() { - var nativeRequest = DomElement.getPrefixed(window, 'requestAnimationFrame'), - requested = false, - callbacks = [], - focused = true, - timer; - - DomEvent.add(window, { - focus: function() { - focused = true; - }, - blur: function() { - focused = false; - } - }); - - function handleCallbacks() { - for (var i = callbacks.length - 1; i >= 0; i--) { - var entry = callbacks[i], - func = entry[0], - el = entry[1]; - if (!el || (PaperScope.getAttribute(el, 'keepalive') == 'true' - || focused) && DomElement.isInView(el)) { - callbacks.splice(i, 1); - func(); - } - } - if (nativeRequest) { - if (callbacks.length) { - nativeRequest(handleCallbacks); - } else { - requested = false; - } - } - } - - return function(callback, element) { - callbacks.push([callback, element]); - if (nativeRequest) { - if (!requested) { - nativeRequest(handleCallbacks); - requested = true; - } - } else if (!timer) { - timer = setInterval(handleCallbacks, 1000 / 60); - } - }; -}; - -var View = Base.extend(Callback, { - _class: 'View', - - initialize: function View(project, element) { - this._project = project; - this._scope = project._scope; - this._element = element; - var size; - if (!this._pixelRatio) - this._pixelRatio = window.devicePixelRatio || 1; - this._id = element.getAttribute('id'); - if (this._id == null) - element.setAttribute('id', this._id = 'view-' + View._id++); - DomEvent.add(element, this._viewEvents); - var none = 'none'; - DomElement.setPrefixed(element.style, { - userSelect: none, - touchAction: none, - touchCallout: none, - contentZooming: none, - userDrag: none, - tapHighlightColor: 'rgba(0,0,0,0)' - }); - if (PaperScope.hasAttribute(element, 'resize')) { - var offset = DomElement.getOffset(element, true), - that = this; - size = DomElement.getViewportBounds(element) - .getSize().subtract(offset); - this._windowEvents = { - resize: function() { - if (!DomElement.isInvisible(element)) - offset = DomElement.getOffset(element, true); - that.setViewSize(DomElement.getViewportBounds(element) - .getSize().subtract(offset)); - } - }; - DomEvent.add(window, this._windowEvents); - } else { - size = DomElement.getSize(element); - if (size.isNaN() || size.isZero()) - size = new Size(parseInt(element.getAttribute('width'), 10), - parseInt(element.getAttribute('height'), 10)); - } - this._setViewSize(size); - if (PaperScope.hasAttribute(element, 'stats') - && typeof Stats !== 'undefined') { - this._stats = new Stats(); - var stats = this._stats.domElement, - style = stats.style, - offset = DomElement.getOffset(element); - style.position = 'absolute'; - style.left = offset.x + 'px'; - style.top = offset.y + 'px'; - document.body.appendChild(stats); - } - View._views.push(this); - View._viewsById[this._id] = this; - this._viewSize = size; - (this._matrix = new Matrix())._owner = this; - this._zoom = 1; - if (!View._focused) - View._focused = this; - this._frameItems = {}; - this._frameItemCount = 0; - }, - - remove: function() { - if (!this._project) - return false; - if (View._focused === this) - View._focused = null; - View._views.splice(View._views.indexOf(this), 1); - delete View._viewsById[this._id]; - if (this._project._view === this) - this._project._view = null; - DomEvent.remove(this._element, this._viewEvents); - DomEvent.remove(window, this._windowEvents); - this._element = this._project = null; - this.detach('frame'); - this._animate = false; - this._frameItems = {}; - return true; - }, - - _events: { - onFrame: { - install: function() { - this.play(); - }, - - uninstall: function() { - this.pause(); - } - }, - - onResize: {} - }, - - _animate: false, - _time: 0, - _count: 0, - - _requestFrame: function() { - var that = this; - DomEvent.requestAnimationFrame(function() { - that._requested = false; - if (!that._animate) - return; - that._requestFrame(); - that._handleFrame(); - }, this._element); - this._requested = true; - }, - - _handleFrame: function() { - paper = this._scope; - var now = Date.now() / 1000, - delta = this._before ? now - this._before : 0; - this._before = now; - this._handlingFrame = true; - this.fire('frame', new Base({ - delta: delta, - time: this._time += delta, - count: this._count++ - })); - if (this._stats) - this._stats.update(); - this._handlingFrame = false; - this.update(); - }, - - _animateItem: function(item, animate) { - var items = this._frameItems; - if (animate) { - items[item._id] = { - item: item, - time: 0, - count: 0 - }; - if (++this._frameItemCount === 1) - this.attach('frame', this._handleFrameItems); - } else { - delete items[item._id]; - if (--this._frameItemCount === 0) { - this.detach('frame', this._handleFrameItems); - } - } - }, - - _handleFrameItems: function(event) { - for (var i in this._frameItems) { - var entry = this._frameItems[i]; - entry.item.fire('frame', new Base(event, { - time: entry.time += event.delta, - count: entry.count++ - })); - } - }, - - _update: function() { - this._project._needsUpdate = true; - if (this._handlingFrame) - return; - if (this._animate) { - this._handleFrame(); - } else { - this.update(); - } - }, - - _changed: function(flags) { - if (flags & 1) - this._project._needsUpdate = true; - }, - - _transform: function(matrix) { - this._matrix.concatenate(matrix); - this._bounds = null; - this._update(); - }, - - getElement: function() { - return this._element; - }, - - getPixelRatio: function() { - return this._pixelRatio; - }, - - getResolution: function() { - return this._pixelRatio * 72; - }, - - getViewSize: function() { - var size = this._viewSize; - return new LinkedSize(size.width, size.height, this, 'setViewSize'); - }, - - setViewSize: function() { - var size = Size.read(arguments), - delta = size.subtract(this._viewSize); - if (delta.isZero()) - return; - this._viewSize.set(size.width, size.height); - this._setViewSize(size); - this._bounds = null; - this.fire('resize', { - size: size, - delta: delta - }); - this._update(); - }, - - _setViewSize: function(size) { - var element = this._element; - element.width = size.width; - element.height = size.height; - }, - - getBounds: function() { - if (!this._bounds) - this._bounds = this._matrix.inverted()._transformBounds( - new Rectangle(new Point(), this._viewSize)); - return this._bounds; - }, - - getSize: function() { - return this.getBounds().getSize(); - }, - - getCenter: function() { - return this.getBounds().getCenter(); - }, - - setCenter: function(center) { - center = Point.read(arguments); - this.scrollBy(center.subtract(this.getCenter())); - }, - - getZoom: function() { - return this._zoom; - }, - - setZoom: function(zoom) { - this._transform(new Matrix().scale(zoom / this._zoom, - this.getCenter())); - this._zoom = zoom; - }, - - isVisible: function() { - return DomElement.isInView(this._element); - }, - - scrollBy: function() { - this._transform(new Matrix().translate(Point.read(arguments).negate())); - }, - - play: function() { - this._animate = true; - if (!this._requested) - this._requestFrame(); - }, - - pause: function() { - this._animate = false; - }, - - draw: function() { - this.update(); - }, - - projectToView: function() { - return this._matrix._transformPoint(Point.read(arguments)); - }, - - viewToProject: function() { - return this._matrix._inverseTransform(Point.read(arguments)); - } - -}, { - statics: { - _views: [], - _viewsById: {}, - _id: 0, - - create: function(project, element) { - if (typeof element === 'string') - element = document.getElementById(element); - return new CanvasView(project, element); - } - } -}, new function() { - var tool, - prevFocus, - tempFocus, - dragging = false; - - function getView(event) { - var target = DomEvent.getTarget(event); - return target.getAttribute && View._viewsById[target.getAttribute('id')]; - } - - function viewToProject(view, event) { - return view.viewToProject(DomEvent.getOffset(event, view._element)); - } - - function updateFocus() { - if (!View._focused || !View._focused.isVisible()) { - for (var i = 0, l = View._views.length; i < l; i++) { - var view = View._views[i]; - if (view && view.isVisible()) { - View._focused = tempFocus = view; - break; - } - } - } - } - - function handleMouseMove(view, point, event) { - view._handleEvent('mousemove', point, event); - var tool = view._scope.tool; - if (tool) { - tool._handleEvent(dragging && tool.responds('mousedrag') - ? 'mousedrag' : 'mousemove', point, event); - } - view.update(); - return tool; - } - - var navigator = window.navigator, - mousedown, mousemove, mouseup; - if (navigator.pointerEnabled || navigator.msPointerEnabled) { - mousedown = 'pointerdown MSPointerDown'; - mousemove = 'pointermove MSPointerMove'; - mouseup = 'pointerup pointercancel MSPointerUp MSPointerCancel'; - } else { - mousedown = 'touchstart'; - mousemove = 'touchmove'; - mouseup = 'touchend touchcancel'; - if (!('ontouchstart' in window && navigator.userAgent.match( - /mobile|tablet|ip(ad|hone|od)|android|silk/i))) { - mousedown += ' mousedown'; - mousemove += ' mousemove'; - mouseup += ' mouseup'; - } - } - - var viewEvents = { - 'selectstart dragstart': function(event) { - if (dragging) - event.preventDefault(); - } - }; - - var docEvents = { - mouseout: function(event) { - var view = View._focused, - target = DomEvent.getRelatedTarget(event); - if (view && (!target || target.nodeName === 'HTML')) - handleMouseMove(view, viewToProject(view, event), event); - }, - - scroll: updateFocus - }; - - viewEvents[mousedown] = function(event) { - var view = View._focused = getView(event), - point = viewToProject(view, event); - dragging = true; - view._handleEvent('mousedown', point, event); - if (tool = view._scope.tool) - tool._handleEvent('mousedown', point, event); - view.update(); - }; - - docEvents[mousemove] = function(event) { - var view = View._focused; - if (!dragging) { - var target = getView(event); - if (target) { - if (view !== target) - handleMouseMove(view, viewToProject(view, event), event); - prevFocus = view; - view = View._focused = tempFocus = target; - } else if (tempFocus && tempFocus === view) { - view = View._focused = prevFocus; - updateFocus(); - } - } - if (view) { - var point = viewToProject(view, event); - if (dragging || view.getBounds().contains(point)) - tool = handleMouseMove(view, point, event); - } - }; - - docEvents[mouseup] = function(event) { - var view = View._focused; - if (!view || !dragging) - return; - var point = viewToProject(view, event); - curPoint = null; - dragging = false; - view._handleEvent('mouseup', point, event); - if (tool) - tool._handleEvent('mouseup', point, event); - view.update(); - }; - - DomEvent.add(document, docEvents); - - DomEvent.add(window, { - load: updateFocus - }); - - return { - _viewEvents: viewEvents, - - _handleEvent: function() {}, - - statics: { - updateFocus: updateFocus - } - }; -}); - -var CanvasView = View.extend({ - _class: 'CanvasView', - - initialize: function CanvasView(project, canvas) { - if (!(canvas instanceof HTMLCanvasElement)) { - var size = Size.read(arguments); - if (size.isZero()) - throw new Error( - 'Cannot create CanvasView with the provided argument: ' - + canvas); - canvas = CanvasProvider.getCanvas(size); - } - this._context = canvas.getContext('2d'); - this._eventCounters = {}; - this._pixelRatio = 1; - if (PaperScope.getAttribute(canvas, 'hidpi') !== 'off') { - var deviceRatio = window.devicePixelRatio || 1, - backingStoreRatio = DomElement.getPrefixed(this._context, - 'backingStorePixelRatio') || 1; - this._pixelRatio = deviceRatio / backingStoreRatio; - } - View.call(this, project, canvas); - }, - - _setViewSize: function(size) { - var width = size.width, - height = size.height, - pixelRatio = this._pixelRatio, - element = this._element, - style = element.style; - element.width = width * pixelRatio; - element.height = height * pixelRatio; - if (pixelRatio !== 1) { - style.width = width + 'px'; - style.height = height + 'px'; - this._context.scale(pixelRatio, pixelRatio); - } - }, - - getPixelSize: function(size) { - var ctx = this._context, - prevFont = ctx.font; - ctx.font = size + ' serif'; - size = parseFloat(ctx.font); - ctx.font = prevFont; - return size; - }, - - getTextWidth: function(font, lines) { - var ctx = this._context, - prevFont = ctx.font, - width = 0; - ctx.font = font; - for (var i = 0, l = lines.length; i < l; i++) - width = Math.max(width, ctx.measureText(lines[i]).width); - ctx.font = prevFont; - return width; - }, - - update: function() { - var project = this._project; - if (!project || !project._needsUpdate) - return false; - var ctx = this._context, - size = this._viewSize; - ctx.clearRect(0, 0, size.width + 1, size.height + 1); - project.draw(ctx, this._matrix, this._pixelRatio); - project._needsUpdate = false; - return true; - } -}, new function() { - - var downPoint, - lastPoint, - overPoint, - downItem, - lastItem, - overItem, - dragItem, - dblClick, - clickTime; - - function callEvent(view, type, event, point, target, lastPoint) { - var item = target, - mouseEvent; - - function call(obj) { - if (obj.responds(type)) { - if (!mouseEvent) { - mouseEvent = new MouseEvent(type, event, point, target, - lastPoint ? point.subtract(lastPoint) : null); - } - if (obj.fire(type, mouseEvent) && mouseEvent.isStopped) { - event.preventDefault(); - return true; - } - } - } - - while (item) { - if (call(item)) - return true; - item = item.getParent(); - } - if (call(view)) - return true; - return false; - } - - return { - _handleEvent: function(type, point, event) { - if (!this._eventCounters[type]) - return; - var project = this._project, - hit = project.hitTest(point, { - tolerance: this._scope.settings.hitTolerance, - fill: true, - stroke: true - }), - item = hit && hit.item, - stopped = false; - switch (type) { - case 'mousedown': - stopped = callEvent(this, type, event, point, item); - dblClick = lastItem == item && (Date.now() - clickTime < 300); - downItem = lastItem = item; - downPoint = lastPoint = overPoint = point; - dragItem = !stopped && item; - while (dragItem && !dragItem.responds('mousedrag')) - dragItem = dragItem._parent; - break; - case 'mouseup': - stopped = callEvent(this, type, event, point, item, downPoint); - if (dragItem) { - if (lastPoint && !lastPoint.equals(point)) - callEvent(this, 'mousedrag', event, point, dragItem, - lastPoint); - if (item !== dragItem) { - overPoint = point; - callEvent(this, 'mousemove', event, point, item, - overPoint); - } - } - if (!stopped && item && item === downItem) { - clickTime = Date.now(); - callEvent(this, dblClick && downItem.responds('doubleclick') - ? 'doubleclick' : 'click', event, downPoint, item); - dblClick = false; - } - downItem = dragItem = null; - break; - case 'mousemove': - if (dragItem) - stopped = callEvent(this, 'mousedrag', event, point, - dragItem, lastPoint); - if (!stopped) { - if (item !== overItem) - overPoint = point; - stopped = callEvent(this, type, event, point, item, - overPoint); - } - lastPoint = overPoint = point; - if (item !== overItem) { - callEvent(this, 'mouseleave', event, point, overItem); - overItem = item; - callEvent(this, 'mouseenter', event, point, item); - } - break; - } - return stopped; - } - }; -}); - -var Event = Base.extend({ - _class: 'Event', - - initialize: function Event(event) { - this.event = event; - }, - - isPrevented: false, - isStopped: false, - - preventDefault: function() { - this.isPrevented = true; - this.event.preventDefault(); - }, - - stopPropagation: function() { - this.isStopped = true; - this.event.stopPropagation(); - }, - - stop: function() { - this.stopPropagation(); - this.preventDefault(); - }, - - getModifiers: function() { - return Key.modifiers; - } -}); - -var KeyEvent = Event.extend({ - _class: 'KeyEvent', - - initialize: function KeyEvent(down, key, character, event) { - Event.call(this, event); - this.type = down ? 'keydown' : 'keyup'; - this.key = key; - this.character = character; - }, - - toString: function() { - return "{ type: '" + this.type - + "', key: '" + this.key - + "', character: '" + this.character - + "', modifiers: " + this.getModifiers() - + " }"; - } -}); - -var Key = new function() { - - var specialKeys = { - 8: 'backspace', - 9: 'tab', - 13: 'enter', - 16: 'shift', - 17: 'control', - 18: 'option', - 19: 'pause', - 20: 'caps-lock', - 27: 'escape', - 32: 'space', - 35: 'end', - 36: 'home', - 37: 'left', - 38: 'up', - 39: 'right', - 40: 'down', - 46: 'delete', - 91: 'command', - 93: 'command', - 224: 'command' - }, - - specialChars = { - 9: true, - 13: true, - 32: true - }, - - modifiers = new Base({ - shift: false, - control: false, - option: false, - command: false, - capsLock: false, - space: false - }), - - charCodeMap = {}, - keyMap = {}, - downCode; - - function handleKey(down, keyCode, charCode, event) { - var character = charCode ? String.fromCharCode(charCode) : '', - specialKey = specialKeys[keyCode], - key = specialKey || character.toLowerCase(), - type = down ? 'keydown' : 'keyup', - view = View._focused, - scope = view && view.isVisible() && view._scope, - tool = scope && scope.tool, - name; - keyMap[key] = down; - if (specialKey && (name = Base.camelize(specialKey)) in modifiers) - modifiers[name] = down; - if (down) { - charCodeMap[keyCode] = charCode; - } else { - delete charCodeMap[keyCode]; - } - if (tool && tool.responds(type)) { - paper = scope; - tool.fire(type, new KeyEvent(down, key, character, event)); - if (view) - view.update(); - } - } - - DomEvent.add(document, { - keydown: function(event) { - var code = event.which || event.keyCode; - if (code in specialKeys) { - handleKey(true, code, code in specialChars ? code : 0, event); - } else { - downCode = code; - } - }, - - keypress: function(event) { - if (downCode != null) { - handleKey(true, downCode, event.which || event.keyCode, event); - downCode = null; - } - }, - - keyup: function(event) { - var code = event.which || event.keyCode; - if (code in charCodeMap) - handleKey(false, code, charCodeMap[code], event); - } - }); - - DomEvent.add(window, { - blur: function(event) { - for (var code in charCodeMap) - handleKey(false, code, charCodeMap[code], event); - } - }); - - return { - modifiers: modifiers, - - isDown: function(key) { - return !!keyMap[key]; - } - }; -}; - -var MouseEvent = Event.extend({ - _class: 'MouseEvent', - - initialize: function MouseEvent(type, event, point, target, delta) { - Event.call(this, event); - this.type = type; - this.point = point; - this.target = target; - this.delta = delta; - }, - - toString: function() { - return "{ type: '" + this.type - + "', point: " + this.point - + ', target: ' + this.target - + (this.delta ? ', delta: ' + this.delta : '') - + ', modifiers: ' + this.getModifiers() - + ' }'; - } -}); - - Base.extend(Callback, { - _class: 'Palette', - _events: [ 'onChange' ], - - initialize: function Palette(title, components, values) { - var parent = DomElement.find('.palettejs-panel') - || DomElement.find('body').appendChild( - DomElement.create('div', { 'class': 'palettejs-panel' })); - this._element = parent.appendChild( - DomElement.create('table', { 'class': 'palettejs-pane' })); - this._title = title; - if (!values) - values = {}; - for (var name in (this.components = components)) { - var component = components[name]; - if (!(component instanceof Component)) { - if (component.value == null) - component.value = values[name]; - component.name = name; - component = components[name] = new Component(component); - } - this._element.appendChild(component._element); - component._palette = this; - if (values[name] === undefined) - values[name] = component.value; - } - this.values = Base.each(values, function(value, name) { - var component = components[name]; - if (component) { - Base.define(values, name, { - enumerable: true, - configurable: true, - get: function() { - return component._value; - }, - set: function(val) { - component.setValue(val); - } - }); - } - }); - if (window.paper) - paper.palettes.push(this); - }, - - reset: function() { - for (var i in this.components) - this.components[i].reset(); - }, - - remove: function() { - DomElement.remove(this._element); - } -}); - -var Component = Base.extend(Callback, { - _class: 'Component', - _events: [ 'onChange', 'onClick' ], - - _types: { - 'boolean': { - type: 'checkbox', - value: 'checked' - }, - - string: { - type: 'text' - }, - - number: { - type: 'number', - number: true - }, - - button: { - type: 'button' - }, - - text: { - tag: 'div', - value: 'text' - }, - - slider: { - type: 'range', - number: true - }, - - list: { - tag: 'select', - - setOptions: function() { - DomElement.removeChildren(this._input); - DomElement.create(Base.each(this._options, function(option) { - this.push('option', { value: option, text: option }); - }, []), this._input); - } - }, - - color: { - type: 'color', - - getValue: function(value) { - return new Color(value); - }, - - setValue: function(value) { - return new Color(value).toCSS( - DomElement.get(this._input, 'type') === 'color'); - } - } - }, - - initialize: function Component(obj) { - this._id = Component._id = (Component._id || 0) + 1; - this._type = obj.type in this._types - ? obj.type - : 'options' in obj - ? 'list' - : 'onClick' in obj - ? 'button' - : typeof obj.value; - this._meta = this._types[this._type] || { type: this._type }; - var that = this, - id = 'component-' + this._id; - this._dontFire = true; - this._input = DomElement.create(this._meta.tag || 'input', { - id: id, - type: this._meta.type, - events: { - change: function() { - that.setValue( - DomElement.get(this, that._meta.value || 'value')); - }, - click: function() { - that.fire('click'); - } - } - }); - this.attach('change', function(value) { - if (!this._dontFire) - this._palette.fire('change', this, this.name, value); - }); - this._element = DomElement.create('tr', [ - 'td', [this._label = DomElement.create('label', { 'for': id })], - 'td', [this._input] - ]); - Base.each(obj, function(value, key) { - this[key] = value; - }, this); - this._defaultValue = this._value; - this._dontFire = false; - }, - - getType: function() { - return this._type; - }, - - getLabel: function() { - return this.__label; - }, - - setLabel: function(label) { - this.__label = label; - DomElement.set(this._label, 'text', label + ':'); - }, - - getOptions: function() { - return this._options; - }, - - setOptions: function(options) { - this._options = options; - var setOptions = this._meta.setOptions; - if (setOptions) - setOptions.call(this); - }, - - getValue: function() { - var value = this._value, - getValue = this._meta.getValue; - return getValue ? getValue.call(this, value) : value; - }, - - setValue: function(value) { - var key = this._meta.value || 'value', - setValue = this._meta.setValue; - if (setValue) - value = setValue.call(this, value); - DomElement.set(this._input, key, value); - value = DomElement.get(this._input, key); - if (this._meta.number) - value = parseFloat(value, 10); - if (this._value !== value) { - this._value = value; - if (!this._dontFire) - this.fire('change', this.getValue()); - } - }, - - getRange: function() { - return [parseFloat(DomElement.get(this._input, 'min')), - parseFloat(DomElement.get(this._input, 'max'))]; - }, - - setRange: function(min, max) { - var range = Array.isArray(min) ? min : [min, max]; - DomElement.set(this._input, { min: range[0], max: range[1] }); - }, - - getMin: function() { - return this.getRange()[0]; - }, - - setMin: function(min) { - this.setRange(min, this.getMax()); - }, - - getMax: function() { - return this.getRange()[1]; - }, - - setMax: function(max) { - this.setRange(this.getMin(), max); - }, - - getStep: function() { - return parseFloat(DomElement.get(this._input, 'step')); - }, - - setStep: function(step) { - DomElement.set(this._input, 'step', step); - }, - - reset: function() { - this.setValue(this._defaultValue); - } -}); - -var ToolEvent = Event.extend({ - _class: 'ToolEvent', - _item: null, - - initialize: function ToolEvent(tool, type, event) { - this.tool = tool; - this.type = type; - this.event = event; - }, - - _choosePoint: function(point, toolPoint) { - return point ? point : toolPoint ? toolPoint.clone() : null; - }, - - getPoint: function() { - return this._choosePoint(this._point, this.tool._point); - }, - - setPoint: function(point) { - this._point = point; - }, - - getLastPoint: function() { - return this._choosePoint(this._lastPoint, this.tool._lastPoint); - }, - - setLastPoint: function(lastPoint) { - this._lastPoint = lastPoint; - }, - - getDownPoint: function() { - return this._choosePoint(this._downPoint, this.tool._downPoint); - }, - - setDownPoint: function(downPoint) { - this._downPoint = downPoint; - }, - - getMiddlePoint: function() { - if (!this._middlePoint && this.tool._lastPoint) { - return this.tool._point.add(this.tool._lastPoint).divide(2); - } - return this._middlePoint; - }, - - setMiddlePoint: function(middlePoint) { - this._middlePoint = middlePoint; - }, - - getDelta: function() { - return !this._delta && this.tool._lastPoint - ? this.tool._point.subtract(this.tool._lastPoint) - : this._delta; - }, - - setDelta: function(delta) { - this._delta = delta; - }, - - getCount: function() { - return /^mouse(down|up)$/.test(this.type) - ? this.tool._downCount - : this.tool._count; - }, - - setCount: function(count) { - this.tool[/^mouse(down|up)$/.test(this.type) ? 'downCount' : 'count'] - = count; - }, - - getItem: function() { - if (!this._item) { - var result = this.tool._scope.project.hitTest(this.getPoint()); - if (result) { - var item = result.item, - parent = item._parent; - while (/^(Group|CompoundPath)$/.test(parent._class)) { - item = parent; - parent = parent._parent; - } - this._item = item; - } - } - return this._item; - }, - setItem: function(item) { - this._item = item; - }, - - toString: function() { - return '{ type: ' + this.type - + ', point: ' + this.getPoint() - + ', count: ' + this.getCount() - + ', modifiers: ' + this.getModifiers() - + ' }'; - } -}); - -var Tool = PaperScopeItem.extend({ - _class: 'Tool', - _list: 'tools', - _reference: 'tool', - _events: [ 'onActivate', 'onDeactivate', 'onEditOptions', - 'onMouseDown', 'onMouseUp', 'onMouseDrag', 'onMouseMove', - 'onKeyDown', 'onKeyUp' ], - - initialize: function Tool(props) { - PaperScopeItem.call(this); - this._firstMove = true; - this._count = 0; - this._downCount = 0; - this._set(props); - }, - - getMinDistance: function() { - return this._minDistance; - }, - - setMinDistance: function(minDistance) { - this._minDistance = minDistance; - if (this._minDistance != null && this._maxDistance != null - && this._minDistance > this._maxDistance) { - this._maxDistance = this._minDistance; - } - }, - - getMaxDistance: function() { - return this._maxDistance; - }, - - setMaxDistance: function(maxDistance) { - this._maxDistance = maxDistance; - if (this._minDistance != null && this._maxDistance != null - && this._maxDistance < this._minDistance) { - this._minDistance = maxDistance; - } - }, - - getFixedDistance: function() { - return this._minDistance == this._maxDistance - ? this._minDistance : null; - }, - - setFixedDistance: function(distance) { - this._minDistance = distance; - this._maxDistance = distance; - }, - - _updateEvent: function(type, point, minDistance, maxDistance, start, - needsChange, matchMaxDistance) { - if (!start) { - if (minDistance != null || maxDistance != null) { - var minDist = minDistance != null ? minDistance : 0, - vector = point.subtract(this._point), - distance = vector.getLength(); - if (distance < minDist) - return false; - var maxDist = maxDistance != null ? maxDistance : 0; - if (maxDist != 0) { - if (distance > maxDist) { - point = this._point.add(vector.normalize(maxDist)); - } else if (matchMaxDistance) { - return false; - } - } - } - if (needsChange && point.equals(this._point)) - return false; - } - this._lastPoint = start && type == 'mousemove' ? point : this._point; - this._point = point; - switch (type) { - case 'mousedown': - this._lastPoint = this._downPoint; - this._downPoint = this._point; - this._downCount++; - break; - case 'mouseup': - this._lastPoint = this._downPoint; - break; - } - this._count = start ? 0 : this._count + 1; - return true; - }, - - _fireEvent: function(type, event) { - var sets = paper.project._removeSets; - if (sets) { - if (type === 'mouseup') - sets.mousedrag = null; - var set = sets[type]; - if (set) { - for (var id in set) { - var item = set[id]; - for (var key in sets) { - var other = sets[key]; - if (other && other != set) - delete other[item._id]; - } - item.remove(); - } - sets[type] = null; - } - } - return this.responds(type) - && this.fire(type, new ToolEvent(this, type, event)); - }, - - _handleEvent: function(type, point, event) { - paper = this._scope; - var called = false; - switch (type) { - case 'mousedown': - this._updateEvent(type, point, null, null, true, false, false); - called = this._fireEvent(type, event); - break; - case 'mousedrag': - var needsChange = false, - matchMaxDistance = false; - while (this._updateEvent(type, point, this.minDistance, - this.maxDistance, false, needsChange, matchMaxDistance)) { - called = this._fireEvent(type, event) || called; - needsChange = true; - matchMaxDistance = true; - } - break; - case 'mouseup': - if (!point.equals(this._point) - && this._updateEvent('mousedrag', point, this.minDistance, - this.maxDistance, false, false, false)) { - called = this._fireEvent('mousedrag', event); - } - this._updateEvent(type, point, null, this.maxDistance, false, - false, false); - called = this._fireEvent(type, event) || called; - this._updateEvent(type, point, null, null, true, false, false); - this._firstMove = true; - break; - case 'mousemove': - while (this._updateEvent(type, point, this.minDistance, - this.maxDistance, this._firstMove, true, false)) { - called = this._fireEvent(type, event) || called; - this._firstMove = false; - } - break; - } - if (called) - event.preventDefault(); - return called; - } - -}); - -var Http = { - request: function(method, url, callback) { - var xhr = new (window.ActiveXObject || XMLHttpRequest)( - 'Microsoft.XMLHTTP'); - xhr.open(method.toUpperCase(), url, true); - if ('overrideMimeType' in xhr) - xhr.overrideMimeType('text/plain'); - xhr.onreadystatechange = function() { - if (xhr.readyState === 4) { - var status = xhr.status; - if (status === 0 || status === 200) { - callback.call(xhr, xhr.responseText); - } else { - throw new Error('Could not load ' + url + ' (Error ' - + status + ')'); - } - } - }; - return xhr.send(null); - } -}; - -var CanvasProvider = { - canvases: [], - - getCanvas: function(width, height, pixelRatio) { - var canvas, - init = true; - if (typeof width === 'object') { - pixelRatio = height; - height = width.height; - width = width.width; - } - if (!pixelRatio) { - pixelRatio = 1; - } else if (pixelRatio !== 1) { - width *= pixelRatio; - height *= pixelRatio; - } - if (this.canvases.length) { - canvas = this.canvases.pop(); - } else { - canvas = document.createElement('canvas'); - } - var ctx = canvas.getContext('2d'); - if (canvas.width === width && canvas.height === height) { - if (init) - ctx.clearRect(0, 0, width + 1, height + 1); - } else { - canvas.width = width; - canvas.height = height; - } - ctx.save(); - if (pixelRatio !== 1) - ctx.scale(pixelRatio, pixelRatio); - return canvas; - }, - - getContext: function(width, height, pixelRatio) { - return this.getCanvas(width, height, pixelRatio).getContext('2d'); - }, - - release: function(obj) { - var canvas = obj.canvas ? obj.canvas : obj; - canvas.getContext('2d').restore(); - this.canvases.push(canvas); - } -}; - -var BlendMode = new function() { - var min = Math.min, - max = Math.max, - abs = Math.abs, - sr, sg, sb, sa, - br, bg, bb, ba, - dr, dg, db; - - function getLum(r, g, b) { - return 0.2989 * r + 0.587 * g + 0.114 * b; - } - - function setLum(r, g, b, l) { - var d = l - getLum(r, g, b); - dr = r + d; - dg = g + d; - db = b + d; - var l = getLum(dr, dg, db), - mn = min(dr, dg, db), - mx = max(dr, dg, db); - if (mn < 0) { - var lmn = l - mn; - dr = l + (dr - l) * l / lmn; - dg = l + (dg - l) * l / lmn; - db = l + (db - l) * l / lmn; - } - if (mx > 255) { - var ln = 255 - l, - mxl = mx - l; - dr = l + (dr - l) * ln / mxl; - dg = l + (dg - l) * ln / mxl; - db = l + (db - l) * ln / mxl; - } - } - - function getSat(r, g, b) { - return max(r, g, b) - min(r, g, b); - } - - function setSat(r, g, b, s) { - var col = [r, g, b], - mx = max(r, g, b), - mn = min(r, g, b), - md; - mn = mn === r ? 0 : mn === g ? 1 : 2; - mx = mx === r ? 0 : mx === g ? 1 : 2; - md = min(mn, mx) === 0 ? max(mn, mx) === 1 ? 2 : 1 : 0; - if (col[mx] > col[mn]) { - col[md] = (col[md] - col[mn]) * s / (col[mx] - col[mn]); - col[mx] = s; - } else { - col[md] = col[mx] = 0; - } - col[mn] = 0; - dr = col[0]; - dg = col[1]; - db = col[2]; - } - - var modes = { - multiply: function() { - dr = br * sr / 255; - dg = bg * sg / 255; - db = bb * sb / 255; - }, - - screen: function() { - dr = br + sr - (br * sr / 255); - dg = bg + sg - (bg * sg / 255); - db = bb + sb - (bb * sb / 255); - }, - - overlay: function() { - dr = br < 128 ? 2 * br * sr / 255 : 255 - 2 * (255 - br) * (255 - sr) / 255; - dg = bg < 128 ? 2 * bg * sg / 255 : 255 - 2 * (255 - bg) * (255 - sg) / 255; - db = bb < 128 ? 2 * bb * sb / 255 : 255 - 2 * (255 - bb) * (255 - sb) / 255; - }, - - 'soft-light': function() { - var t = sr * br / 255; - dr = t + br * (255 - (255 - br) * (255 - sr) / 255 - t) / 255; - t = sg * bg / 255; - dg = t + bg * (255 - (255 - bg) * (255 - sg) / 255 - t) / 255; - t = sb * bb / 255; - db = t + bb * (255 - (255 - bb) * (255 - sb) / 255 - t) / 255; - }, - - 'hard-light': function() { - dr = sr < 128 ? 2 * sr * br / 255 : 255 - 2 * (255 - sr) * (255 - br) / 255; - dg = sg < 128 ? 2 * sg * bg / 255 : 255 - 2 * (255 - sg) * (255 - bg) / 255; - db = sb < 128 ? 2 * sb * bb / 255 : 255 - 2 * (255 - sb) * (255 - bb) / 255; - }, - - 'color-dodge': function() { - dr = br === 0 ? 0 : sr === 255 ? 255 : min(255, 255 * br / (255 - sr)); - dg = bg === 0 ? 0 : sg === 255 ? 255 : min(255, 255 * bg / (255 - sg)); - db = bb === 0 ? 0 : sb === 255 ? 255 : min(255, 255 * bb / (255 - sb)); - }, - - 'color-burn': function() { - dr = br === 255 ? 255 : sr === 0 ? 0 : max(0, 255 - (255 - br) * 255 / sr); - dg = bg === 255 ? 255 : sg === 0 ? 0 : max(0, 255 - (255 - bg) * 255 / sg); - db = bb === 255 ? 255 : sb === 0 ? 0 : max(0, 255 - (255 - bb) * 255 / sb); - }, - - darken: function() { - dr = br < sr ? br : sr; - dg = bg < sg ? bg : sg; - db = bb < sb ? bb : sb; - }, - - lighten: function() { - dr = br > sr ? br : sr; - dg = bg > sg ? bg : sg; - db = bb > sb ? bb : sb; - }, - - difference: function() { - dr = br - sr; - if (dr < 0) - dr = -dr; - dg = bg - sg; - if (dg < 0) - dg = -dg; - db = bb - sb; - if (db < 0) - db = -db; - }, - - exclusion: function() { - dr = br + sr * (255 - br - br) / 255; - dg = bg + sg * (255 - bg - bg) / 255; - db = bb + sb * (255 - bb - bb) / 255; - }, - - hue: function() { - setSat(sr, sg, sb, getSat(br, bg, bb)); - setLum(dr, dg, db, getLum(br, bg, bb)); - }, - - saturation: function() { - setSat(br, bg, bb, getSat(sr, sg, sb)); - setLum(dr, dg, db, getLum(br, bg, bb)); - }, - - luminosity: function() { - setLum(br, bg, bb, getLum(sr, sg, sb)); - }, - - color: function() { - setLum(sr, sg, sb, getLum(br, bg, bb)); - }, - - add: function() { - dr = min(br + sr, 255); - dg = min(bg + sg, 255); - db = min(bb + sb, 255); - }, - - subtract: function() { - dr = max(br - sr, 0); - dg = max(bg - sg, 0); - db = max(bb - sb, 0); - }, - - average: function() { - dr = (br + sr) / 2; - dg = (bg + sg) / 2; - db = (bb + sb) / 2; - }, - - negation: function() { - dr = 255 - abs(255 - sr - br); - dg = 255 - abs(255 - sg - bg); - db = 255 - abs(255 - sb - bb); - } - }; - - var nativeModes = this.nativeModes = Base.each([ - 'source-over', 'source-in', 'source-out', 'source-atop', - 'destination-over', 'destination-in', 'destination-out', - 'destination-atop', 'lighter', 'darker', 'copy', 'xor' - ], function(mode) { - this[mode] = true; - }, {}); - - var ctx = CanvasProvider.getContext(1, 1); - Base.each(modes, function(func, mode) { - var darken = mode === 'darken', - ok = false; - ctx.save(); - try { - ctx.fillStyle = darken ? '#300' : '#a00'; - ctx.fillRect(0, 0, 1, 1); - ctx.globalCompositeOperation = mode; - if (ctx.globalCompositeOperation === mode) { - ctx.fillStyle = darken ? '#a00' : '#300'; - ctx.fillRect(0, 0, 1, 1); - ok = ctx.getImageData(0, 0, 1, 1).data[0] !== darken ? 170 : 51; - } - } catch (e) {} - ctx.restore(); - nativeModes[mode] = ok; - }); - CanvasProvider.release(ctx); - - this.process = function(mode, srcContext, dstContext, alpha, offset) { - var srcCanvas = srcContext.canvas, - normal = mode === 'normal'; - if (normal || nativeModes[mode]) { - dstContext.save(); - dstContext.setTransform(1, 0, 0, 1, 0, 0); - dstContext.globalAlpha = alpha; - if (!normal) - dstContext.globalCompositeOperation = mode; - dstContext.drawImage(srcCanvas, offset.x, offset.y); - dstContext.restore(); - } else { - var process = modes[mode]; - if (!process) - return; - var dstData = dstContext.getImageData(offset.x, offset.y, - srcCanvas.width, srcCanvas.height), - dst = dstData.data, - src = srcContext.getImageData(0, 0, - srcCanvas.width, srcCanvas.height).data; - for (var i = 0, l = dst.length; i < l; i += 4) { - sr = src[i]; - br = dst[i]; - sg = src[i + 1]; - bg = dst[i + 1]; - sb = src[i + 2]; - bb = dst[i + 2]; - sa = src[i + 3]; - ba = dst[i + 3]; - process(); - var a1 = sa * alpha / 255, - a2 = 1 - a1; - dst[i] = a1 * dr + a2 * br; - dst[i + 1] = a1 * dg + a2 * bg; - dst[i + 2] = a1 * db + a2 * bb; - dst[i + 3] = sa * alpha + a2 * ba; - } - dstContext.putImageData(dstData, offset.x, offset.y); - } - }; -}; - -var SVGStyles = Base.each({ - fillColor: ['fill', 'color'], - strokeColor: ['stroke', 'color'], - strokeWidth: ['stroke-width', 'number'], - strokeCap: ['stroke-linecap', 'string'], - strokeJoin: ['stroke-linejoin', 'string'], - miterLimit: ['stroke-miterlimit', 'number'], - dashArray: ['stroke-dasharray', 'array'], - dashOffset: ['stroke-dashoffset', 'number'], - fontFamily: ['font-family', 'string'], - fontWeight: ['font-weight', 'string'], - fontSize: ['font-size', 'number'], - justification: ['text-anchor', 'lookup', { - left: 'start', - center: 'middle', - right: 'end' - }], - opacity: ['opacity', 'number'], - blendMode: ['mix-blend-mode', 'string'] -}, function(entry, key) { - var part = Base.capitalize(key), - lookup = entry[2]; - this[key] = { - type: entry[1], - property: key, - attribute: entry[0], - toSVG: lookup, - fromSVG: lookup && Base.each(lookup, function(value, name) { - this[value] = name; - }, {}), - get: 'get' + part, - set: 'set' + part - }; -}, {}); - -var SVGNamespaces = { - href: 'http://www.w3.org/1999/xlink', - xlink: 'http://www.w3.org/2000/xmlns' -}; - -new function() { - var formatter; - - function setAttributes(node, attrs) { - for (var key in attrs) { - var val = attrs[key], - namespace = SVGNamespaces[key]; - if (typeof val === 'number') - val = formatter.number(val); - if (namespace) { - node.setAttributeNS(namespace, key, val); - } else { - node.setAttribute(key, val); - } - } - return node; - } - - function createElement(tag, attrs) { - return setAttributes( - document.createElementNS('http://www.w3.org/2000/svg', tag), attrs); - } - - function getTransform(item, coordinates, center) { - var matrix = item._matrix, - trans = matrix.getTranslation(), - attrs = {}; - if (coordinates) { - matrix = matrix.shiftless(); - var point = matrix._inverseTransform(trans); - attrs[center ? 'cx' : 'x'] = point.x; - attrs[center ? 'cy' : 'y'] = point.y; - trans = null; - } - if (!matrix.isIdentity()) { - var decomposed = matrix.decompose(); - if (decomposed && !decomposed.shearing) { - var parts = [], - angle = decomposed.rotation, - scale = decomposed.scaling; - if (trans && !trans.isZero()) - parts.push('translate(' + formatter.point(trans) + ')'); - if (angle) - parts.push('rotate(' + formatter.number(angle) + ')'); - if (!Numerical.isZero(scale.x - 1) - || !Numerical.isZero(scale.y - 1)) - parts.push('scale(' + formatter.point(scale) +')'); - attrs.transform = parts.join(' '); - } else { - attrs.transform = 'matrix(' + matrix.getValues().join(',') + ')'; - } - } - return attrs; - } - - function exportGroup(item, options) { - var attrs = getTransform(item), - children = item._children; - var node = createElement('g', attrs); - for (var i = 0, l = children.length; i < l; i++) { - var child = children[i]; - var childNode = exportSVG(child, options); - if (childNode) { - if (child.isClipMask()) { - var clip = createElement('clipPath'); - clip.appendChild(childNode); - setDefinition(child, clip, 'clip'); - setAttributes(node, { - 'clip-path': 'url(#' + clip.id + ')' - }); - } else { - node.appendChild(childNode); - } - } - } - return node; - } - - function exportRaster(item) { - var attrs = getTransform(item, true), - size = item.getSize(); - attrs.x -= size.width / 2; - attrs.y -= size.height / 2; - attrs.width = size.width; - attrs.height = size.height; - attrs.href = item.toDataURL(); - return createElement('image', attrs); - } - - function exportPath(item, options) { - if (options.matchShapes) { - var shape = item.toShape(false); - if (shape) - return exportShape(shape, options); - } - var segments = item._segments, - type, - attrs; - if (segments.length === 0) - return null; - if (item.isPolygon()) { - if (segments.length >= 3) { - type = item._closed ? 'polygon' : 'polyline'; - var parts = []; - for(i = 0, l = segments.length; i < l; i++) - parts.push(formatter.point(segments[i]._point)); - attrs = { - points: parts.join(' ') - }; - } else { - type = 'line'; - var first = segments[0]._point, - last = segments[segments.length - 1]._point; - attrs = { - x1: first.x, - y1: first.y, - x2: last.x, - y2: last.y - }; - } - } else { - type = 'path'; - var data = item.getPathData(); - attrs = data && { d: data }; - } - return createElement(type, attrs); - } - - function exportShape(item) { - var type = item._type, - radius = item._radius, - attrs = getTransform(item, true, type !== 'rectangle'); - if (type === 'rectangle') { - type = 'rect'; - var size = item._size, - width = size.width, - height = size.height; - attrs.x -= width / 2; - attrs.y -= height / 2; - attrs.width = width; - attrs.height = height; - if (radius.isZero()) - radius = null; - } - if (radius) { - if (type === 'circle') { - attrs.r = radius; - } else { - attrs.rx = radius.width; - attrs.ry = radius.height; - } - } - return createElement(type, attrs); - } - - function exportCompoundPath(item) { - var attrs = getTransform(item, true); - var data = item.getPathData(); - if (data) - attrs.d = data; - return createElement('path', attrs); - } - - function exportPlacedSymbol(item, options) { - var attrs = getTransform(item, true), - symbol = item.getSymbol(), - symbolNode = getDefinition(symbol, 'symbol'), - definition = symbol.getDefinition(), - bounds = definition.getBounds(); - if (!symbolNode) { - symbolNode = createElement('symbol', { - viewBox: formatter.rectangle(bounds) - }); - symbolNode.appendChild(exportSVG(definition, options)); - setDefinition(symbol, symbolNode, 'symbol'); - } - attrs.href = '#' + symbolNode.id; - attrs.x += bounds.x; - attrs.y += bounds.y; - attrs.width = formatter.number(bounds.width); - attrs.height = formatter.number(bounds.height); - return createElement('use', attrs); - } - - function exportGradient(color) { - var gradientNode = getDefinition(color, 'color'); - if (!gradientNode) { - var gradient = color.getGradient(), - radial = gradient._radial, - origin = color.getOrigin().transform(), - destination = color.getDestination().transform(), - attrs; - if (radial) { - attrs = { - cx: origin.x, - cy: origin.y, - r: origin.getDistance(destination) - }; - var highlight = color.getHighlight(); - if (highlight) { - highlight = highlight.transform(); - attrs.fx = highlight.x; - attrs.fy = highlight.y; - } - } else { - attrs = { - x1: origin.x, - y1: origin.y, - x2: destination.x, - y2: destination.y - }; - } - attrs.gradientUnits = 'userSpaceOnUse'; - gradientNode = createElement( - (radial ? 'radial' : 'linear') + 'Gradient', attrs); - var stops = gradient._stops; - for (var i = 0, l = stops.length; i < l; i++) { - var stop = stops[i], - stopColor = stop._color, - alpha = stopColor.getAlpha(); - attrs = { - offset: stop._rampPoint, - 'stop-color': stopColor.toCSS(true) - }; - if (alpha < 1) - attrs['stop-opacity'] = alpha; - gradientNode.appendChild(createElement('stop', attrs)); - } - setDefinition(color, gradientNode, 'color'); - } - return 'url(#' + gradientNode.id + ')'; - } - - function exportText(item) { - var node = createElement('text', getTransform(item, true)); - node.textContent = item._content; - return node; - } - - var exporters = { - Group: exportGroup, - Layer: exportGroup, - Raster: exportRaster, - Path: exportPath, - Shape: exportShape, - CompoundPath: exportCompoundPath, - PlacedSymbol: exportPlacedSymbol, - PointText: exportText - }; - - function applyStyle(item, node) { - var attrs = {}, - parent = item.getParent(); - - if (item._name != null) - attrs.id = item._name; - - Base.each(SVGStyles, function(entry) { - var get = entry.get, - type = entry.type, - value = item[get](); - if (!parent || !Base.equals(parent[get](), value)) { - if (type === 'color' && value != null) { - var alpha = value.getAlpha(); - if (alpha < 1) - attrs[entry.attribute + '-opacity'] = alpha; - } - attrs[entry.attribute] = value == null - ? 'none' - : type === 'number' - ? formatter.number(value) - : type === 'color' - ? value.gradient - ? exportGradient(value, item) - : value.toCSS(true) - : type === 'array' - ? value.join(',') - : type === 'lookup' - ? entry.toSVG[value] - : value; - } - }); - - if (attrs.opacity === 1) - delete attrs.opacity; - - if (item._visibility != null && !item._visibility) - attrs.visibility = 'hidden'; - - return setAttributes(node, attrs); - } - - var definitions; - function getDefinition(item, type) { - if (!definitions) - definitions = { ids: {}, svgs: {} }; - return item && definitions.svgs[type + '-' + item._id]; - } - - function setDefinition(item, node, type) { - if (!definitions) - getDefinition(); - var id = definitions.ids[type] = (definitions.ids[type] || 0) + 1; - node.id = type + '-' + id; - definitions.svgs[type + '-' + item._id] = node; - } - - function exportDefinitions(node, options) { - var svg = node, - defs = null; - if (definitions) { - svg = node.nodeName.toLowerCase() === 'svg' && node; - for (var i in definitions.svgs) { - if (!defs) { - if (!svg) { - svg = createElement('svg'); - svg.appendChild(node); - } - defs = svg.insertBefore(createElement('defs'), - svg.firstChild); - } - defs.appendChild(definitions.svgs[i]); - } - definitions = null; - } - return options.asString - ? new XMLSerializer().serializeToString(svg) - : svg; - } - - function exportSVG(item, options) { - var exporter = exporters[item._class], - node = exporter && exporter(item, options); - if (node && item._data) - node.setAttribute('data-paper-data', JSON.stringify(item._data)); - return node && applyStyle(item, node); - } - - function setOptions(options) { - if (!options) - options = {}; - formatter = new Formatter(options.precision); - return options; - } - - Item.inject({ - exportSVG: function(options) { - options = setOptions(options); - return exportDefinitions(exportSVG(this, options), options); - } - }); - - Project.inject({ - exportSVG: function(options) { - options = setOptions(options); - var layers = this.layers, - size = this.getView().getSize(), - node = createElement('svg', { - x: 0, - y: 0, - width: size.width, - height: size.height, - version: '1.1', - xmlns: 'http://www.w3.org/2000/svg', - 'xmlns:xlink': 'http://www.w3.org/1999/xlink' - }); - for (var i = 0, l = layers.length; i < l; i++) - node.appendChild(exportSVG(layers[i], options)); - return exportDefinitions(node, options); - } - }); -}; - -new function() { - - function getValue(node, name, isString, allowNull) { - var namespace = SVGNamespaces[name], - value = namespace - ? node.getAttributeNS(namespace, name) - : node.getAttribute(name); - if (value === 'null') - value = null; - return value == null - ? allowNull - ? null - : isString - ? '' - : 0 - : isString - ? value - : parseFloat(value); - } - - function getPoint(node, x, y, allowNull) { - x = getValue(node, x, false, allowNull); - y = getValue(node, y, false, allowNull); - return allowNull && (x == null || y == null) ? null - : new Point(x, y); - } - - function getSize(node, w, h, allowNull) { - w = getValue(node, w, false, allowNull); - h = getValue(node, h, false, allowNull); - return allowNull && (w == null || h == null) ? null - : new Size(w, h); - } - - function convertValue(value, type, lookup) { - return value === 'none' - ? null - : type === 'number' - ? parseFloat(value) - : type === 'array' - ? value ? value.split(/[\s,]+/g).map(parseFloat) : [] - : type === 'color' - ? getDefinition(value) || value - : type === 'lookup' - ? lookup[value] - : value; - } - - function importGroup(node, type, isRoot, options) { - var nodes = node.childNodes, - isClip = type === 'clippath', - item = new Group(), - project = item._project, - currentStyle = project._currentStyle, - children = []; - if (!isClip) { - item._applyMatrix = false; - item = applyAttributes(item, node, isRoot); - project._currentStyle = item._style.clone(); - } - for (var i = 0, l = nodes.length; i < l; i++) { - var childNode = nodes[i], - child; - if (childNode.nodeType === 1 - && (child = importSVG(childNode, false, options)) - && !(child instanceof Symbol)) - children.push(child); - } - item.addChildren(children); - if (isClip) - item = applyAttributes(item.reduce(), node, isRoot); - project._currentStyle = currentStyle; - if (isClip || type === 'defs') { - item.remove(); - item = null; - } - return item; - } - - function importPoly(node, type) { - var coords = node.getAttribute('points').match( - /[+-]?(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g), - points = []; - for (var i = 0, l = coords.length; i < l; i += 2) - points.push(new Point( - parseFloat(coords[i]), - parseFloat(coords[i + 1]))); - var path = new Path(points); - if (type === 'polygon') - path.closePath(); - return path; - } - - function importPath(node) { - var data = node.getAttribute('d'), - param = { pathData: data }; - return data.match(/m/gi).length > 1 || /z\S+/i.test(data) - ? new CompoundPath(param) - : new Path(param); - } - - function importGradient(node, type) { - var nodes = node.childNodes, - stops = []; - for (var i = 0, l = nodes.length; i < l; i++) { - var child = nodes[i]; - if (child.nodeType === 1) - stops.push(applyAttributes(new GradientStop(), child)); - } - var isRadial = type === 'radialgradient', - gradient = new Gradient(stops, isRadial), - origin, destination, highlight; - if (isRadial) { - origin = getPoint(node, 'cx', 'cy'); - destination = origin.add(getValue(node, 'r'), 0); - highlight = getPoint(node, 'fx', 'fy', true); - } else { - origin = getPoint(node, 'x1', 'y1'); - destination = getPoint(node, 'x2', 'y2'); - } - applyAttributes( - new Color(gradient, origin, destination, highlight), node); - return null; - } - - var importers = { - '#document': function (node, type, isRoot, options) { - var nodes = node.childNodes; - for (var i = 0, l = nodes.length; i < l; i++) { - var child = nodes[i]; - if (child.nodeType === 1) { - var next = child.nextSibling; - document.body.appendChild(child); - var item = importSVG(child, isRoot, options); - if (next) { - node.insertBefore(child, next); - } else { - node.appendChild(child); - } - return item; - } - } - }, - g: importGroup, - svg: importGroup, - clippath: importGroup, - polygon: importPoly, - polyline: importPoly, - path: importPath, - lineargradient: importGradient, - radialgradient: importGradient, - - image: function (node) { - var raster = new Raster(getValue(node, 'href', true)); - raster.attach('load', function() { - var size = getSize(node, 'width', 'height'); - this.setSize(size); - var center = this._matrix._transformPoint( - getPoint(node, 'x', 'y').add(size.divide(2))); - this.translate(center); - }); - return raster; - }, - - symbol: function(node, type, isRoot, options) { - return new Symbol(importGroup(node, type, isRoot, options), true); - }, - - defs: importGroup, - - use: function(node) { - var id = (getValue(node, 'href', true) || '').substring(1), - definition = definitions[id], - point = getPoint(node, 'x', 'y'); - return definition - ? definition instanceof Symbol - ? definition.place(point) - : definition.clone().translate(point) - : null; - }, - - circle: function(node) { - return new Shape.Circle(getPoint(node, 'cx', 'cy'), - getValue(node, 'r')); - }, - - ellipse: function(node) { - return new Shape.Ellipse({ - center: getPoint(node, 'cx', 'cy'), - radius: getSize(node, 'rx', 'ry') - }); - }, - - rect: function(node) { - var point = getPoint(node, 'x', 'y'), - size = getSize(node, 'width', 'height'), - radius = getSize(node, 'rx', 'ry'); - return new Shape.Rectangle(new Rectangle(point, size), radius); - }, - - line: function(node) { - return new Path.Line(getPoint(node, 'x1', 'y1'), - getPoint(node, 'x2', 'y2')); - }, - - text: function(node) { - var text = new PointText(getPoint(node, 'x', 'y') - .add(getPoint(node, 'dx', 'dy'))); - text.setContent(node.textContent.trim() || ''); - return text; - } - }; - - function applyTransform(item, value, name, node) { - var transforms = (node.getAttribute(name) || '').split(/\)\s*/g), - matrix = new Matrix(); - for (var i = 0, l = transforms.length; i < l; i++) { - var transform = transforms[i]; - if (!transform) - break; - var parts = transform.split('('), - command = parts[0], - v = parts[1].split(/[\s,]+/g); - for (var j = 0, m = v.length; j < m; j++) - v[j] = parseFloat(v[j]); - switch (command) { - case 'matrix': - matrix.concatenate( - new Matrix(v[0], v[1], v[2], v[3], v[4], v[5])); - break; - case 'rotate': - matrix.rotate(v[0], v[1], v[2]); - break; - case 'translate': - matrix.translate(v[0], v[1]); - break; - case 'scale': - matrix.scale(v); - break; - case 'skewX': - matrix.skew(v[0], 0); - break; - case 'skewY': - matrix.skew(0, v[0]); - break; - } - } - item.transform(matrix); - } - - function applyOpacity(item, value, name) { - var color = item[name === 'fill-opacity' ? 'getFillColor' - : 'getStrokeColor'](); - if (color) - color.setAlpha(parseFloat(value)); - } - - var attributes = Base.each(SVGStyles, function(entry) { - this[entry.attribute] = function(item, value) { - item[entry.set](convertValue(value, entry.type, entry.fromSVG)); - if (entry.type === 'color' && item instanceof Shape) { - var color = item[entry.get](); - if (color) - color.transform(new Matrix().translate( - item.getPosition(true).negate())); - } - }; - }, { - id: function(item, value) { - definitions[value] = item; - if (item.setName) - item.setName(value); - }, - - 'clip-path': function(item, value) { - var clip = getDefinition(value); - if (clip) { - clip = clip.clone(); - clip.setClipMask(true); - if (item instanceof Group) { - item.insertChild(0, clip); - } else { - return new Group(clip, item); - } - } - }, - - gradientTransform: applyTransform, - transform: applyTransform, - - 'fill-opacity': applyOpacity, - 'stroke-opacity': applyOpacity, - - visibility: function(item, value) { - item.setVisible(value === 'visible'); - }, - - 'stop-color': function(item, value) { - if (item.setColor) - item.setColor(value); - }, - - 'stop-opacity': function(item, value) { - if (item._color) - item._color.setAlpha(parseFloat(value)); - }, - - offset: function(item, value) { - var percentage = value.match(/(.*)%$/); - item.setRampPoint(percentage - ? percentage[1] / 100 - : parseFloat(value)); - }, - - viewBox: function(item, value, name, node, styles) { - var rect = new Rectangle(convertValue(value, 'array')), - size = getSize(node, 'width', 'height', true); - if (item instanceof Group) { - var scale = size ? rect.getSize().divide(size) : 1, - matrix = new Matrix().translate(rect.getPoint()).scale(scale); - item.transform(matrix.inverted()); - } else if (item instanceof Symbol) { - if (size) - rect.setSize(size); - var clip = getAttribute(node, 'overflow', styles) != 'visible', - group = item._definition; - if (clip && !rect.contains(group.getBounds())) { - clip = new Shape.Rectangle(rect).transform(group._matrix); - clip.setClipMask(true); - group.addChild(clip); - } - } - } - }); - - function getAttribute(node, name, styles) { - var attr = node.attributes[name], - value = attr && attr.value; - if (!value) { - var style = Base.camelize(name); - value = node.style[style]; - if (!value && styles.node[style] !== styles.parent[style]) - value = styles.node[style]; - } - return !value - ? undefined - : value === 'none' - ? null - : value; - } - - function applyAttributes(item, node, isRoot) { - var styles = { - node: DomElement.getStyles(node) || {}, - parent: !isRoot && DomElement.getStyles(node.parentNode) || {} - }; - Base.each(attributes, function(apply, name) { - var value = getAttribute(node, name, styles); - if (value !== undefined) - item = Base.pick(apply(item, value, name, node, styles), item); - }); - return item; - } - - var definitions = {}; - function getDefinition(value) { - var match = value && value.match(/\((?:#|)([^)']+)/); - return 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e=q(),r=!0,n=!1;for(e.properties=[],U();!D(mt);){if(r)r=!1;else if(z(bt),fr.allowTrailingCommas&&D(mt))break;var a,o={key:sr()},i=!1;if(D(gt)?(o.value=K(!0),a=o.kind="init"):fr.ecmaVersion>=5&&"Identifier"===o.key.type&&("get"===o.key.name||"set"===o.key.name)?(i=n=!0,a=o.kind=o.key.name,o.key=sr(),wr!==ht&&X(),o.value=cr(q(),!1)):X(),"Identifier"===o.key.type&&(Vr||n))for(var s=0;si?e.id:e.params[i];if((Xt(s.name)||Nt(s.name))&&t(s.start,"Defining '"+s.name+"' in strict mode"),i>=0)for(var c=0;i>c;++c)s.name===e.params[c].name&&t(s.start,"Argument name clash in strict mode")}return j(e,r?"FunctionDeclaration":"FunctionExpression")}function ur(e,r,t){for(var n=[],a=!0;!D(e);){if(a)a=!1;else if(z(bt),r&&fr.allowTrailingCommas&&D(e))break;t&&wr===bt?n.push(null):n.push(K(!0))}return n}function lr(e){var r=q();return r.name=wr===Dr?Cr:e&&!fr.forbidReserved&&wr.keyword||X(),U(),j(r,"Identifier")}e.version="0.3.2";var fr,pr,dr,mr;e.parse=function(e,t){return pr=String(e),dr=pr.length,r(t),o(),W(fr.program)};var hr=e.defaultOptions={ecmaVersion:5,strictSemicolons:!1,allowTrailingCommas:!0,forbidReserved:!1,locations:!1,onComment:null,ranges:!1,program:null,sourceFile:null},vr=e.getLineInfo=function(e,r){for(var t=1,n=0;;){Kt.lastIndex=n;var a=Kt.exec(e);if(!(a&&a.indexe?36===e:91>e?!0:97>e?95===e:123>e?!0:e>=170&&$t.test(String.fromCharCode(e))},Yt=e.isIdentifierChar=function(e){return 48>e?36===e:58>e?!0:65>e?!1:91>e?!0:97>e?95===e:123>e?!0:e>=170&&_t.test(String.fromCharCode(e))},Zt={kind:"loop"},en={kind:"switch"}}); - - var binaryOperators = { - '+': '__add', - '-': '__subtract', - '*': '__multiply', - '/': '__divide', - '%': '__modulo', - '==': 'equals', - '!=': 'equals' - }; - - var unaryOperators = { - '-': '__negate', - '+': null - }; - - var fields = Base.each( - ['add', 'subtract', 'multiply', 'divide', 'modulo', 'negate'], - function(name) { - this['__' + name] = '#' + name; - }, - {} - ); - Point.inject(fields); - Size.inject(fields); - Color.inject(fields); - - function _$_(left, operator, right) { - var handler = binaryOperators[operator]; - if (left && left[handler]) { - var res = left[handler](right); - return operator === '!=' ? !res : res; - } - switch (operator) { - case '+': return left + right; - case '-': return left - right; - case '*': return left * right; - case '/': return left / right; - case '%': return left % right; - case '==': return left == right; - case '!=': return left != right; - } - } - - function $_(operator, value) { - var handler = unaryOperators[operator]; - if (handler && value && value[handler]) - return value[handler](); - switch (operator) { - case '+': return +value; - case '-': return -value; - } - } - - function compile(code) { - - var insertions = []; - - function getOffset(offset) { - for (var i = 0, l = insertions.length; i < l; i++) { - var insertion = insertions[i]; - if (insertion[0] >= offset) - break; - offset += insertion[1]; - } - return offset; - } - - function getCode(node) { - return code.substring(getOffset(node.range[0]), - getOffset(node.range[1])); - } - - function replaceCode(node, str) { - var start = getOffset(node.range[0]), - end = getOffset(node.range[1]), - insert = 0; - for (var i = insertions.length - 1; i >= 0; i--) { - if (start > insertions[i][0]) { - insert = i + 1; - break; - } - } - insertions.splice(insert, 0, [start, str.length - end + start]); - code = code.substring(0, start) + str + code.substring(end); - } - - function walkAST(node, parent) { - if (!node) - return; - for (var key in node) { - if (key === 'range') - continue; - var value = node[key]; - if (Array.isArray(value)) { - for (var i = 0, l = value.length; i < l; i++) - walkAST(value[i], node); - } else if (value && typeof value === 'object') { - walkAST(value, node); - } - } - switch (node && node.type) { - case 'UnaryExpression': - if (node.operator in unaryOperators - && node.argument.type !== 'Literal') { - var arg = getCode(node.argument); - replaceCode(node, '$_("' + node.operator + '", ' - + arg + ')'); - } - break; - case 'BinaryExpression': - if (node.operator in binaryOperators - && node.left.type !== 'Literal') { - var left = getCode(node.left), - right = getCode(node.right); - replaceCode(node, '_$_(' + left + ', "' + node.operator - + '", ' + right + ')'); - } - break; - case 'UpdateExpression': - case 'AssignmentExpression': - if (!(parent && ( - parent.type === 'ForStatement' - || parent.type === 'BinaryExpression' - && /^[=!<>]/.test(parent.operator) - || parent.type === 'MemberExpression' - && parent.computed))) { - if (node.type === 'UpdateExpression') { - if (!node.prefix) { - var arg = getCode(node.argument); - replaceCode(node, arg + ' = _$_(' + arg + ', "' - + node.operator[0] + '", 1)'); - } - } else { - if (/^.=$/.test(node.operator) - && node.left.type !== 'Literal') { - var left = getCode(node.left), - right = getCode(node.right); - replaceCode(node, left + ' = _$_(' + left + ', "' - + node.operator[0] + '", ' + right + ')'); - } - } - } - break; - } - } - walkAST(scope.acorn.parse(code, { ranges: true })); - return code; - } - - function execute(code, scope) { - paper = scope; - var view = scope.getView(), - tool = /\s+on(?:Key|Mouse)(?:Up|Down|Move|Drag)\b/.test(code) - ? new Tool() - : null, - toolHandlers = tool ? tool._events : [], - handlers = ['onFrame', 'onResize'].concat(toolHandlers), - params = [], - args = [], - func; - code = compile(code); - function expose(scope, hidden) { - for (var key in scope) { - if ((hidden || !/^_/.test(key)) && new RegExp( - '\\b' + key.replace(/\$/g, '\\$') + '\\b').test(code)) { - params.push(key); - args.push(scope[key]); - } - } - } - expose({ _$_: _$_, $_: $_, view: view, tool: tool }, true); - expose(scope); - handlers = Base.each(handlers, function(key) { - if (new RegExp('\\s+' + key + '\\b').test(code)) { - params.push(key); - this.push(key + ': ' + key); - } - }, []).join(', '); - if (handlers) - code += '\nreturn { ' + handlers + ' };'; - var firefox = window.InstallTrigger; - if (firefox || window.chrome) { - var script = document.createElement('script'), - head = document.head; - if (firefox) - code = '\n' + code; - script.appendChild(document.createTextNode( - 'paper._execute = function(' + params + ') {' + code + '\n}' - )); - head.appendChild(script); - func = paper._execute; - delete paper._execute; - head.removeChild(script); - } else { - func = Function(params, code); - } - var res = func.apply(scope, args) || {}; - Base.each(toolHandlers, function(key) { - var value = res[key]; - if (value) - tool[key] = value; - }); - if (view) { - if (res.onResize) - view.setOnResize(res.onResize); - view.fire('resize', { - size: view.size, - delta: new Point() - }); - if (res.onFrame) - view.setOnFrame(res.onFrame); - view.update(); - } - } - - function load() { - Base.each(document.getElementsByTagName('script'), function(script) { - if (/^text\/(?:x-|)paperscript$/.test(script.type) - && !script.getAttribute('data-paper-ignore')) { - var canvas = PaperScope.getAttribute(script, 'canvas'), - scope = PaperScope.get(canvas) - || new PaperScope(script).setup(canvas), - src = script.src; - if (src) { - Http.request('get', src, function(code) { - execute(code, scope); - }); - } else { - execute(script.innerHTML, scope); - } - script.setAttribute('data-paper-ignore', true); - } - }, this); - } - - if (document.readyState === 'complete') { - setTimeout(load); - } else { - DomEvent.add(window, { load: load }); - } - - return { - compile: compile, - execute: execute, - load: load, - lineNumberBase: 0 - }; - -}).call(this); - -paper = new (PaperScope.inject(Base.exports, { - enumerable: true, - Base: Base, - Numerical: Numerical, - DomElement: DomElement, - DomEvent: DomEvent, - Http: Http, - Key: Key -}))(); - -if (typeof define === 'function' && define.amd) - define('paper', paper); - -return paper; -}; diff --git a/examples/Animated/AnimatedStar.html b/examples/Animated/AnimatedStar.html index 246294c8..46e38e0e 100644 --- a/examples/Animated/AnimatedStar.html +++ b/examples/Animated/AnimatedStar.html @@ -4,7 +4,7 @@ Animated Star - + + + + + + + +