/** * @license A class to parse color values * @author Stoyan Stefanov * @link http://www.phpied.com/rgb-color-parser-in-javascript/ * Use it if you like it * */ function RGBColor(color_string) { this.ok = false; // strip any leading # if (color_string.charAt(0) == '#') { // remove # if any color_string = color_string.substr(1, 6); } color_string = color_string.replace(/ /g, ''); color_string = color_string.toLowerCase(); // before getting into regexps, try simple matches // and overwrite the input var simple_colors = { aliceblue: 'f0f8ff', antiquewhite: 'faebd7', aqua: '00ffff', aquamarine: '7fffd4', azure: 'f0ffff', beige: 'f5f5dc', bisque: 'ffe4c4', black: '000000', blanchedalmond: 'ffebcd', blue: '0000ff', blueviolet: '8a2be2', brown: 'a52a2a', burlywood: 'deb887', cadetblue: '5f9ea0', chartreuse: '7fff00', chocolate: 'd2691e', coral: 'ff7f50', cornflowerblue: '6495ed', cornsilk: 'fff8dc', crimson: 'dc143c', cyan: '00ffff', darkblue: '00008b', darkcyan: '008b8b', darkgoldenrod: 'b8860b', darkgray: 'a9a9a9', darkgreen: '006400', darkkhaki: 'bdb76b', darkmagenta: '8b008b', darkolivegreen: '556b2f', darkorange: 'ff8c00', darkorchid: '9932cc', darkred: '8b0000', darksalmon: 'e9967a', darkseagreen: '8fbc8f', darkslateblue: '483d8b', darkslategray: '2f4f4f', darkturquoise: '00ced1', darkviolet: '9400d3', deeppink: 'ff1493', deepskyblue: '00bfff', dimgray: '696969', dodgerblue: '1e90ff', feldspar: 'd19275', firebrick: 'b22222', floralwhite: 'fffaf0', forestgreen: '228b22', fuchsia: 'ff00ff', gainsboro: 'dcdcdc', ghostwhite: 'f8f8ff', gold: 'ffd700', goldenrod: 'daa520', gray: '808080', green: '008000', greenyellow: 'adff2f', honeydew: 'f0fff0', hotpink: 'ff69b4', indianred: 'cd5c5c', indigo: '4b0082', ivory: 'fffff0', khaki: 'f0e68c', lavender: 'e6e6fa', lavenderblush: 'fff0f5', lawngreen: '7cfc00', lemonchiffon: 'fffacd', lightblue: 'add8e6', lightcoral: 'f08080', lightcyan: 'e0ffff', lightgoldenrodyellow: 'fafad2', lightgrey: 'd3d3d3', lightgreen: '90ee90', lightpink: 'ffb6c1', lightsalmon: 'ffa07a', lightseagreen: '20b2aa', lightskyblue: '87cefa', lightslateblue: '8470ff', lightslategray: '778899', lightsteelblue: 'b0c4de', lightyellow: 'ffffe0', lime: '00ff00', limegreen: '32cd32', linen: 'faf0e6', magenta: 'ff00ff', maroon: '800000', mediumaquamarine: '66cdaa', mediumblue: '0000cd', mediumorchid: 'ba55d3', mediumpurple: '9370d8', mediumseagreen: '3cb371', mediumslateblue: '7b68ee', mediumspringgreen: '00fa9a', mediumturquoise: '48d1cc', mediumvioletred: 'c71585', midnightblue: '191970', mintcream: 'f5fffa', mistyrose: 'ffe4e1', moccasin: 'ffe4b5', navajowhite: 'ffdead', navy: '000080', oldlace: 'fdf5e6', olive: '808000', olivedrab: '6b8e23', orange: 'ffa500', orangered: 'ff4500', orchid: 'da70d6', palegoldenrod: 'eee8aa', palegreen: '98fb98', paleturquoise: 'afeeee', palevioletred: 'd87093', papayawhip: 'ffefd5', peachpuff: 'ffdab9', peru: 'cd853f', pink: 'ffc0cb', plum: 'dda0dd', powderblue: 'b0e0e6', purple: '800080', red: 'ff0000', rosybrown: 'bc8f8f', royalblue: '4169e1', saddlebrown: '8b4513', salmon: 'fa8072', sandybrown: 'f4a460', seagreen: '2e8b57', seashell: 'fff5ee', sienna: 'a0522d', silver: 'c0c0c0', skyblue: '87ceeb', slateblue: '6a5acd', slategray: '708090', snow: 'fffafa', springgreen: '00ff7f', steelblue: '4682b4', tan: 'd2b48c', teal: '008080', thistle: 'd8bfd8', tomato: 'ff6347', turquoise: '40e0d0', violet: 'ee82ee', violetred: 'd02090', wheat: 'f5deb3', white: 'ffffff', whitesmoke: 'f5f5f5', yellow: 'ffff00', yellowgreen: '9acd32' }; for (var key in simple_colors) { if (color_string == key) { color_string = simple_colors[key]; } } // emd of simple type-in colors // array of color definition objects var color_defs = [ { re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/, example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'], process: function (bits) { return [ parseInt(bits[1]), parseInt(bits[2]), parseInt(bits[3]) ]; } }, { re: /^(\w{2})(\w{2})(\w{2})$/, example: ['#00ff00', '336699'], process: function (bits) { return [ parseInt(bits[1], 16), parseInt(bits[2], 16), parseInt(bits[3], 16) ]; } }, { re: /^(\w{1})(\w{1})(\w{1})$/, example: ['#fb0', 'f0f'], process: function (bits) { return [ parseInt(bits[1] + bits[1], 16), parseInt(bits[2] + bits[2], 16), parseInt(bits[3] + bits[3], 16) ]; } } ]; // search through the definitions to find a match for (var i = 0; i < color_defs.length; i++) { var re = color_defs[i].re; var processor = color_defs[i].process; var bits = re.exec(color_string); if (bits) { channels = processor(bits); this.r = channels[0]; this.g = channels[1]; this.b = channels[2]; this.ok = true; } } // validate/cleanup values this.r = (this.r < 0 || isNaN(this.r)) ? 0 : ((this.r > 255) ? 255 : this.r); this.g = (this.g < 0 || isNaN(this.g)) ? 0 : ((this.g > 255) ? 255 : this.g); this.b = (this.b < 0 || isNaN(this.b)) ? 0 : ((this.b > 255) ? 255 : this.b); // some getters this.toRGB = function () { return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')'; } this.toHex = function () { var r = this.r.toString(16); var g = this.g.toString(16); var b = this.b.toString(16); if (r.length == 1) r = '0' + r; if (g.length == 1) g = '0' + g; if (b.length == 1) b = '0' + b; return '#' + r + g + b; } // help this.getHelpXML = function () { var examples = new Array(); // add regexps for (var i = 0; i < color_defs.length; i++) { var example = color_defs[i].example; for (var j = 0; j < example.length; j++) { examples[examples.length] = example[j]; } } // add type-in colors for (var sc in simple_colors) { examples[examples.length] = sc; } var xml = document.createElement('ul'); xml.setAttribute('id', 'rgbcolor-examples'); for (var i = 0; i < examples.length; i++) { try { var list_item = document.createElement('li'); var list_color = new RGBColor(examples[i]); var example_div = document.createElement('div'); example_div.style.cssText = 'margin: 3px; ' + 'border: 1px solid black; ' + 'background:' + list_color.toHex() + '; ' + 'color:' + list_color.toHex() ; example_div.appendChild(document.createTextNode('test')); var list_item_value = document.createTextNode( ' ' + examples[i] + ' -> ' + list_color.toRGB() + ' -> ' + list_color.toHex() ); list_item.appendChild(example_div); list_item.appendChild(list_item_value); xml.appendChild(list_item); } catch (e) { } } return xml; } } /** * @license canvg.js - Javascript SVG parser and renderer on Canvas * MIT Licensed * Gabe Lerner (gabelerner@gmail.com) * http://code.google.com/p/canvg/ * * Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/ * */ if (!window.console) { window.console = {}; window.console.log = function (str) { }; window.console.dir = function (str) { }; } if (!Array.prototype.indexOf) { Array.prototype.indexOf = function (obj) { for (var i = 0; i < this.length; i++) { if (this[i] == obj) { return i; } } return -1; } } (function () { // canvg(target, s) // empty parameters: replace all 'svg' elements on page with 'canvas' elements // target: canvas element or the id of a canvas element // s: svg string, url to svg file, or xml document // opts: optional hash of options // ignoreMouse: true => ignore mouse events // ignoreAnimation: true => ignore animations // ignoreDimensions: true => does not try to resize canvas // ignoreClear: true => does not clear canvas // offsetX: int => draws at a x offset // offsetY: int => draws at a y offset // scaleWidth: int => scales horizontally to width // scaleHeight: int => scales vertically to height // renderCallback: function => will call the function after the first render is completed // forceRedraw: function => will call the function on every frame, if it returns true, will redraw this.canvg = function (target, s, opts) { // no parameters if (target == null && s == null && opts == null) { var svgTags = document.getElementsByTagName('svg'); for (var i = 0; i < svgTags.length; i++) { var svgTag = svgTags[i]; var c = document.createElement('canvas'); c.width = svgTag.clientWidth; c.height = svgTag.clientHeight; svgTag.parentNode.insertBefore(c, svgTag); svgTag.parentNode.removeChild(svgTag); var div = document.createElement('div'); div.appendChild(svgTag); canvg(c, div.innerHTML); } return; } opts = opts || {}; if (typeof target == 'string') { target = document.getElementById(target); } // reuse class per canvas var svg; if (target.svg == null) { svg = build(); target.svg = svg; } else { svg = target.svg; svg.stop(); } svg.opts = opts; var ctx = target.getContext('2d'); if (typeof (s.documentElement) != 'undefined') { // load from xml doc svg.loadXmlDoc(ctx, s); } else if (s.substr(0, 1) == '<') { // load from xml string svg.loadXml(ctx, s); } else { // load from url svg.load(ctx, s); } } function build() { var svg = {}; svg.FRAMERATE = 30; svg.MAX_VIRTUAL_PIXELS = 30000; // globals svg.init = function (ctx) { svg.Definitions = {}; svg.Styles = {}; svg.Animations = []; svg.Images = []; svg.ctx = ctx; svg.ViewPort = new (function () { this.viewPorts = []; this.Clear = function () { this.viewPorts = []; } this.SetCurrent = function (width, height) { this.viewPorts.push({ width: width, height: height }); } this.RemoveCurrent = function () { this.viewPorts.pop(); } this.Current = function () { return this.viewPorts[this.viewPorts.length - 1]; } this.width = function () { return this.Current().width; } this.height = function () { return this.Current().height; } this.ComputeSize = function (d) { if (d != null && typeof (d) == 'number') return d; if (d == 'x') return this.width(); if (d == 'y') return this.height(); return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2); } }); } svg.init(); // images loaded svg.ImagesLoaded = function () { for (var i = 0; i < svg.Images.length; i++) { if (!svg.Images[i].loaded) return false; } return true; } // trim svg.trim = function (s) { return s.replace(/^\s+|\s+$/g, ''); } // compress spaces svg.compressSpaces = function (s) { return s.replace(/[\s\r\t\n]+/gm, ' '); } // ajax svg.ajax = function (url) { var AJAX; if (window.XMLHttpRequest) { AJAX = new XMLHttpRequest(); } else { AJAX = new ActiveXObject('Microsoft.XMLHTTP'); } if (AJAX) { AJAX.open('GET', url, false); AJAX.send(null); return AJAX.responseText; } return null; } // parse xml svg.parseXml = function (xml) { if (window.DOMParser) { var parser = new DOMParser(); return parser.parseFromString(xml, 'text/xml'); } else { xml = xml.replace(/]*>/, ''); var xmlDoc = new ActiveXObject('Microsoft.XMLDOM'); xmlDoc.async = 'false'; xmlDoc.loadXML(xml); return xmlDoc; } } svg.Property = function (name, value) { this.name = name; this.value = value; this.hasValue = function () { return (this.value != null && this.value !== ''); } // return the numerical value of the property this.numValue = function () { if (!this.hasValue()) return 0; var n = parseFloat(this.value); if ((this.value + '').match(/%$/)) { n = n / 100.0; } return n; } this.valueOrDefault = function (def) { if (this.hasValue()) return this.value; return def; } this.numValueOrDefault = function (def) { if (this.hasValue()) return this.numValue(); return def; } /* EXTENSIONS */ var that = this; // color extensions this.Color = { // augment the current color value with the opacity addOpacity: function (opacity) { var newValue = that.value; if (opacity != null && opacity != '') { var color = new RGBColor(that.value); if (color.ok) { newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacity + ')'; } } return new svg.Property(that.name, newValue); } } // definition extensions this.Definition = { // get the definition from the definitions table getDefinition: function () { var name = that.value.replace(/^(url\()?#([^\)]+)\)?$/, '$2'); return svg.Definitions[name]; }, isUrl: function () { return that.value.indexOf('url(') == 0 }, getFillStyle: function (e) { var def = this.getDefinition(); // gradient if (def != null && def.createGradient) { return def.createGradient(svg.ctx, e); } // pattern if (def != null && def.createPattern) { return def.createPattern(svg.ctx, e); } return null; } } // length extensions this.Length = { DPI: function (viewPort) { return 96.0; // TODO: compute? }, EM: function (viewPort) { var em = 12; var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize); if (fontSize.hasValue()) em = fontSize.Length.toPixels(viewPort); return em; }, // get the length as pixels toPixels: function (viewPort) { if (!that.hasValue()) return 0; var s = that.value + ''; if (s.match(/em$/)) return that.numValue() * this.EM(viewPort); if (s.match(/ex$/)) return that.numValue() * this.EM(viewPort) / 2.0; if (s.match(/px$/)) return that.numValue(); if (s.match(/pt$/)) return that.numValue() * 1.25; if (s.match(/pc$/)) return that.numValue() * 15; if (s.match(/cm$/)) return that.numValue() * this.DPI(viewPort) / 2.54; if (s.match(/mm$/)) return that.numValue() * this.DPI(viewPort) / 25.4; if (s.match(/in$/)) return that.numValue() * this.DPI(viewPort); if (s.match(/%$/)) return that.numValue() * svg.ViewPort.ComputeSize(viewPort); return that.numValue(); } } // time extensions this.Time = { // get the time as milliseconds toMilliseconds: function () { if (!that.hasValue()) return 0; var s = that.value + ''; if (s.match(/s$/)) return that.numValue() * 1000; if (s.match(/ms$/)) return that.numValue(); return that.numValue(); } } // angle extensions this.Angle = { // get the angle as radians toRadians: function () { if (!that.hasValue()) return 0; var s = that.value + ''; if (s.match(/deg$/)) return that.numValue() * (Math.PI / 180.0); if (s.match(/grad$/)) return that.numValue() * (Math.PI / 200.0); if (s.match(/rad$/)) return that.numValue(); return that.numValue() * (Math.PI / 180.0); } } } // fonts svg.Font = new (function () { this.Styles = ['normal', 'italic', 'oblique', 'inherit']; this.Variants = ['normal', 'small-caps', 'inherit']; this.Weights = ['normal', 'bold', 'bolder', 'lighter', '100', '200', '300', '400', '500', '600', '700', '800', '900', 'inherit']; this.CreateFont = function (fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) { var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font); return { fontFamily: fontFamily || f.fontFamily, fontSize: fontSize || f.fontSize, fontStyle: fontStyle || f.fontStyle, fontWeight: fontWeight || f.fontWeight, fontVariant: fontVariant || f.fontVariant, toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') } } } var that = this; this.Parse = function (s) { var f = {}; var d = svg.trim(svg.compressSpaces(s || '')).split(' '); var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false } var ff = ''; for (var i = 0; i < d.length; i++) { if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; } else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; } else if (!set.fontWeight && that.Weights.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontWeight = d[i]; set.fontStyle = set.fontVariant = set.fontWeight = true; } else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; } else { if (d[i] != 'inherit') ff += d[i]; } } if (ff != '') f.fontFamily = ff; return f; } }); // points and paths svg.ToNumberArray = function (s) { var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' '); for (var i = 0; i < a.length; i++) { a[i] = parseFloat(a[i]); } return a; } svg.Point = function (x, y) { this.x = x; this.y = y; this.angleTo = function (p) { return Math.atan2(p.y - this.y, p.x - this.x); } this.applyTransform = function (v) { var xp = this.x * v[0] + this.y * v[2] + v[4]; var yp = this.x * v[1] + this.y * v[3] + v[5]; this.x = xp; this.y = yp; } } svg.CreatePoint = function (s) { var a = svg.ToNumberArray(s); return new svg.Point(a[0], a[1]); } svg.CreatePath = function (s) { var a = svg.ToNumberArray(s); var path = []; for (var i = 0; i < a.length; i += 2) { path.push(new svg.Point(a[i], a[i + 1])); } return path; } // bounding box svg.BoundingBox = function (x1, y1, x2, y2) { // pass in initial points if you want this.x1 = Number.NaN; this.y1 = Number.NaN; this.x2 = Number.NaN; this.y2 = Number.NaN; this.x = function () { return this.x1; } this.y = function () { return this.y1; } this.width = function () { return this.x2 - this.x1; } this.height = function () { return this.y2 - this.y1; } this.addPoint = function (x, y) { if (x != null) { if (isNaN(this.x1) || isNaN(this.x2)) { this.x1 = x; this.x2 = x; } if (x < this.x1) this.x1 = x; if (x > this.x2) this.x2 = x; } if (y != null) { if (isNaN(this.y1) || isNaN(this.y2)) { this.y1 = y; this.y2 = y; } if (y < this.y1) this.y1 = y; if (y > this.y2) this.y2 = y; } } this.addX = function (x) { this.addPoint(x, null); } this.addY = function (y) { this.addPoint(null, y); } this.addBoundingBox = function (bb) { this.addPoint(bb.x1, bb.y1); this.addPoint(bb.x2, bb.y2); } this.addQuadraticCurve = function (p0x, p0y, p1x, p1y, p2x, p2y) { var cp1x = p0x + 2 / 3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0) var cp1y = p0y + 2 / 3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0) var cp2x = cp1x + 1 / 3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0) var cp2y = cp1y + 1 / 3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0) this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y); } this.addBezierCurve = function (p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) { // from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y]; this.addPoint(p0[0], p0[1]); this.addPoint(p3[0], p3[1]); for (i = 0; i <= 1; i++) { var f = function (t) { return Math.pow(1 - t, 3) * p0[i] + 3 * Math.pow(1 - t, 2) * t * p1[i] + 3 * (1 - t) * Math.pow(t, 2) * p2[i] + Math.pow(t, 3) * p3[i]; } var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i]; var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i]; var c = 3 * p1[i] - 3 * p0[i]; if (a == 0) { if (b == 0) continue; var t = -c / b; if (0 < t && t < 1) { if (i == 0) this.addX(f(t)); if (i == 1) this.addY(f(t)); } continue; } var b2ac = Math.pow(b, 2) - 4 * c * a; if (b2ac < 0) continue; var t1 = (-b + Math.sqrt(b2ac)) / (2 * a); if (0 < t1 && t1 < 1) { if (i == 0) this.addX(f(t1)); if (i == 1) this.addY(f(t1)); } var t2 = (-b - Math.sqrt(b2ac)) / (2 * a); if (0 < t2 && t2 < 1) { if (i == 0) this.addX(f(t2)); if (i == 1) this.addY(f(t2)); } } } this.isPointInBox = function (x, y) { return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2); } this.addPoint(x1, y1); this.addPoint(x2, y2); } // transforms svg.Transform = function (v) { var that = this; this.Type = {} // translate this.Type.translate = function (s) { this.p = svg.CreatePoint(s); this.apply = function (ctx) { ctx.translate(this.p.x || 0.0, this.p.y || 0.0); } this.applyToPoint = function (p) { p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]); } } // rotate this.Type.rotate = function (s) { var a = svg.ToNumberArray(s); this.angle = new svg.Property('angle', a[0]); this.cx = a[1] || 0; this.cy = a[2] || 0; this.apply = function (ctx) { ctx.translate(this.cx, this.cy); ctx.rotate(this.angle.Angle.toRadians()); ctx.translate(-this.cx, -this.cy); } this.applyToPoint = function (p) { var a = this.angle.Angle.toRadians(); p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]); p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]); p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]); } } this.Type.scale = function (s) { this.p = svg.CreatePoint(s); this.apply = function (ctx) { ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0); } this.applyToPoint = function (p) { p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]); } } this.Type.matrix = function (s) { this.m = svg.ToNumberArray(s); this.apply = function (ctx) { ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]); } this.applyToPoint = function (p) { p.applyTransform(this.m); } } this.Type.SkewBase = function (s) { this.base = that.Type.matrix; this.base(s); this.angle = new svg.Property('angle', s); } this.Type.SkewBase.prototype = new this.Type.matrix; this.Type.skewX = function (s) { this.base = that.Type.SkewBase; this.base(s); this.m = [1, 0, Math.tan(this.angle.Angle.toRadians()), 1, 0, 0]; } this.Type.skewX.prototype = new this.Type.SkewBase; this.Type.skewY = function (s) { this.base = that.Type.SkewBase; this.base(s); this.m = [1, Math.tan(this.angle.Angle.toRadians()), 0, 1, 0, 0]; } this.Type.skewY.prototype = new this.Type.SkewBase; this.transforms = []; this.apply = function (ctx) { for (var i = 0; i < this.transforms.length; i++) { this.transforms[i].apply(ctx); } } this.applyToPoint = function (p) { for (var i = 0; i < this.transforms.length; i++) { this.transforms[i].applyToPoint(p); } } var data = svg.trim(svg.compressSpaces(v)).split(/\s(?=[a-z])/); for (var i = 0; i < data.length; i++) { var type = data[i].split('(')[0]; var s = data[i].split('(')[1].replace(')', ''); var transform = new this.Type[type](s); this.transforms.push(transform); } } // aspect ratio svg.AspectRatio = function (ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) { // aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute aspectRatio = svg.compressSpaces(aspectRatio); aspectRatio = aspectRatio.replace(/^defer\s/, ''); // ignore defer var align = aspectRatio.split(' ')[0] || 'xMidYMid'; var meetOrSlice = aspectRatio.split(' ')[1] || 'meet'; // calculate scale var scaleX = width / desiredWidth; var scaleY = height / desiredHeight; var scaleMin = Math.min(scaleX, scaleY); var scaleMax = Math.max(scaleX, scaleY); if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; } if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; } refX = new svg.Property('refX', refX); refY = new svg.Property('refY', refY); if (refX.hasValue() && refY.hasValue()) { ctx.translate(-scaleMin * refX.Length.toPixels('x'), -scaleMin * refY.Length.toPixels('y')); } else { // align if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0); if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0); if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0); if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight); } // scale if (align == 'none') ctx.scale(scaleX, scaleY); else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin); else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax); // translate ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY); } // elements svg.Element = {} svg.Element.ElementBase = function (node) { this.attributes = {}; this.styles = {}; this.children = []; // get or create attribute this.attribute = function (name, createIfNotExists) { var a = this.attributes[name]; if (a != null) return a; a = new svg.Property(name, ''); if (createIfNotExists == true) this.attributes[name] = a; return a; } // get or create style, crawls up node tree this.style = function (name, createIfNotExists) { var s = this.styles[name]; if (s != null) return s; var a = this.attribute(name); if (a != null && a.hasValue()) { return a; } var p = this.parent; if (p != null) { var ps = p.style(name); if (ps != null && ps.hasValue()) { return ps; } } s = new svg.Property(name, ''); if (createIfNotExists == true) this.styles[name] = s; return s; } // base render this.render = function (ctx) { // don't render display=none if (this.style('display').value == 'none') return; // don't render visibility=hidden if (this.attribute('visibility').value == 'hidden') return; ctx.save(); this.setContext(ctx); // mask if (this.attribute('mask').hasValue()) { var mask = this.attribute('mask').Definition.getDefinition(); if (mask != null) mask.apply(ctx, this); } else if (this.style('filter').hasValue()) { var filter = this.style('filter').Definition.getDefinition(); if (filter != null) filter.apply(ctx, this); } else this.renderChildren(ctx); this.clearContext(ctx); ctx.restore(); } // base set context this.setContext = function (ctx) { // OVERRIDE ME! } // base clear context this.clearContext = function (ctx) { // OVERRIDE ME! } // base render children this.renderChildren = function (ctx) { for (var i = 0; i < this.children.length; i++) { this.children[i].render(ctx); } } this.addChild = function (childNode, create) { var child = childNode; if (create) child = svg.CreateElement(childNode); child.parent = this; this.children.push(child); } if (node != null && node.nodeType == 1) { //ELEMENT_NODE // add children for (var i = 0; i < node.childNodes.length; i++) { var childNode = node.childNodes[i]; if (childNode.nodeType == 1) this.addChild(childNode, true); //ELEMENT_NODE } // add attributes for (var i = 0; i < node.attributes.length; i++) { var attribute = node.attributes[i]; this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.nodeValue); } // add tag styles var styles = svg.Styles[node.nodeName]; if (styles != null) { for (var name in styles) { this.styles[name] = styles[name]; } } // add class styles if (this.attribute('class').hasValue()) { var classes = svg.compressSpaces(this.attribute('class').value).split(' '); for (var j = 0; j < classes.length; j++) { styles = svg.Styles['.' + classes[j]]; if (styles != null) { for (var name in styles) { this.styles[name] = styles[name]; } } styles = svg.Styles[node.nodeName + '.' + classes[j]]; if (styles != null) { for (var name in styles) { this.styles[name] = styles[name]; } } } } // add inline styles if (this.attribute('style').hasValue()) { var styles = this.attribute('style').value.split(';'); for (var i = 0; i < styles.length; i++) { if (svg.trim(styles[i]) != '') { var style = styles[i].split(':'); var name = svg.trim(style[0]); var value = svg.trim(style[1]); this.styles[name] = new svg.Property(name, value); } } } // add id if (this.attribute('id').hasValue()) { if (svg.Definitions[this.attribute('id').value] == null) { svg.Definitions[this.attribute('id').value] = this; } } } } svg.Element.RenderedElementBase = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.setContext = function (ctx) { // fill if (this.style('fill').Definition.isUrl()) { var fs = this.style('fill').Definition.getFillStyle(this); if (fs != null) ctx.fillStyle = fs; } else if (this.style('fill').hasValue()) { var fillStyle = this.style('fill'); if (this.style('fill-opacity').hasValue()) fillStyle = fillStyle.Color.addOpacity(this.style('fill-opacity').value); ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value); } // stroke if (this.style('stroke').Definition.isUrl()) { var fs = this.style('stroke').Definition.getFillStyle(this); if (fs != null) ctx.strokeStyle = fs; } else if (this.style('stroke').hasValue()) { var strokeStyle = this.style('stroke'); if (this.style('stroke-opacity').hasValue()) strokeStyle = strokeStyle.Color.addOpacity(this.style('stroke-opacity').value); ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value); } if (this.style('stroke-width').hasValue()) ctx.lineWidth = this.style('stroke-width').Length.toPixels(); if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value; if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value; if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value; // font if (typeof (ctx.font) != 'undefined') { ctx.font = svg.Font.CreateFont( this.style('font-style').value, this.style('font-variant').value, this.style('font-weight').value, this.style('font-size').hasValue() ? this.style('font-size').Length.toPixels() + 'px' : '', this.style('font-family').value).toString(); } // transform if (this.attribute('transform').hasValue()) { var transform = new svg.Transform(this.attribute('transform').value); transform.apply(ctx); } // clip if (this.attribute('clip-path').hasValue()) { var clip = this.attribute('clip-path').Definition.getDefinition(); if (clip != null) clip.apply(ctx); } // opacity if (this.style('opacity').hasValue()) { ctx.globalAlpha = this.style('opacity').numValue(); } } } svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase; svg.Element.PathElementBase = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); this.path = function (ctx) { if (ctx != null) ctx.beginPath(); return new svg.BoundingBox(); } this.renderChildren = function (ctx) { this.path(ctx); svg.Mouse.checkPath(this, ctx); if (ctx.fillStyle != '') ctx.fill(); if (ctx.strokeStyle != '') ctx.stroke(); var markers = this.getMarkers(); if (markers != null) { if (this.style('marker-start').Definition.isUrl()) { var marker = this.style('marker-start').Definition.getDefinition(); marker.render(ctx, markers[0][0], markers[0][1]); } if (this.style('marker-mid').Definition.isUrl()) { var marker = this.style('marker-mid').Definition.getDefinition(); for (var i = 1; i < markers.length - 1; i++) { marker.render(ctx, markers[i][0], markers[i][1]); } } if (this.style('marker-end').Definition.isUrl()) { var marker = this.style('marker-end').Definition.getDefinition(); marker.render(ctx, markers[markers.length - 1][0], markers[markers.length - 1][1]); } } } this.getBoundingBox = function () { return this.path(); } this.getMarkers = function () { return null; } } svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase; // svg element svg.Element.svg = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); this.baseClearContext = this.clearContext; this.clearContext = function (ctx) { this.baseClearContext(ctx); svg.ViewPort.RemoveCurrent(); } this.baseSetContext = this.setContext; this.setContext = function (ctx) { // initial values ctx.strokeStyle = 'rgba(0,0,0,0)'; ctx.lineCap = 'butt'; ctx.lineJoin = 'miter'; ctx.miterLimit = 4; this.baseSetContext(ctx); // create new view port if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) { ctx.translate(this.attribute('x').Length.toPixels('x'), this.attribute('y').Length.toPixels('y')); } var width = svg.ViewPort.width(); var height = svg.ViewPort.height(); if (typeof (this.root) == 'undefined' && this.attribute('width').hasValue() && this.attribute('height').hasValue()) { width = this.attribute('width').Length.toPixels('x'); height = this.attribute('height').Length.toPixels('y'); var x = 0; var y = 0; if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) { x = -this.attribute('refX').Length.toPixels('x'); y = -this.attribute('refY').Length.toPixels('y'); } ctx.beginPath(); ctx.moveTo(x, y); ctx.lineTo(width, y); ctx.lineTo(width, height); ctx.lineTo(x, height); ctx.closePath(); ctx.clip(); } svg.ViewPort.SetCurrent(width, height); // viewbox if (this.attribute('viewBox').hasValue()) { var viewBox = svg.ToNumberArray(this.attribute('viewBox').value); var minX = viewBox[0]; var minY = viewBox[1]; width = viewBox[2]; height = viewBox[3]; svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, svg.ViewPort.width(), width, svg.ViewPort.height(), height, minX, minY, this.attribute('refX').value, this.attribute('refY').value); svg.ViewPort.RemoveCurrent(); svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); } } } svg.Element.svg.prototype = new svg.Element.RenderedElementBase; // rect element svg.Element.rect = function (node) { this.base = svg.Element.PathElementBase; this.base(node); this.path = function (ctx) { var x = this.attribute('x').Length.toPixels('x'); var y = this.attribute('y').Length.toPixels('y'); var width = this.attribute('width').Length.toPixels('x'); var height = this.attribute('height').Length.toPixels('y'); var rx = this.attribute('rx').Length.toPixels('x'); var ry = this.attribute('ry').Length.toPixels('y'); if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx; if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry; if (ctx != null) { ctx.beginPath(); ctx.moveTo(x + rx, y); ctx.lineTo(x + width - rx, y); ctx.quadraticCurveTo(x + width, y, x + width, y + ry) ctx.lineTo(x + width, y + height - ry); ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height) ctx.lineTo(x + rx, y + height); ctx.quadraticCurveTo(x, y + height, x, y + height - ry) ctx.lineTo(x, y + ry); ctx.quadraticCurveTo(x, y, x + rx, y) ctx.closePath(); } return new svg.BoundingBox(x, y, x + width, y + height); } } svg.Element.rect.prototype = new svg.Element.PathElementBase; // circle element svg.Element.circle = function (node) { this.base = svg.Element.PathElementBase; this.base(node); this.path = function (ctx) { var cx = this.attribute('cx').Length.toPixels('x'); var cy = this.attribute('cy').Length.toPixels('y'); var r = this.attribute('r').Length.toPixels(); if (ctx != null) { ctx.beginPath(); ctx.arc(cx, cy, r, 0, Math.PI * 2, true); ctx.closePath(); } return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r); } } svg.Element.circle.prototype = new svg.Element.PathElementBase; // ellipse element svg.Element.ellipse = function (node) { this.base = svg.Element.PathElementBase; this.base(node); this.path = function (ctx) { var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3); var rx = this.attribute('rx').Length.toPixels('x'); var ry = this.attribute('ry').Length.toPixels('y'); var cx = this.attribute('cx').Length.toPixels('x'); var cy = this.attribute('cy').Length.toPixels('y'); if (ctx != null) { ctx.beginPath(); ctx.moveTo(cx, cy - ry); ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry, cx + rx, cy - (KAPPA * ry), cx + rx, cy); ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry); ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy); ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry); ctx.closePath(); } return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry); } } svg.Element.ellipse.prototype = new svg.Element.PathElementBase; // line element svg.Element.line = function (node) { this.base = svg.Element.PathElementBase; this.base(node); this.getPoints = function () { return [ new svg.Point(this.attribute('x1').Length.toPixels('x'), this.attribute('y1').Length.toPixels('y')), new svg.Point(this.attribute('x2').Length.toPixels('x'), this.attribute('y2').Length.toPixels('y'))]; } this.path = function (ctx) { var points = this.getPoints(); if (ctx != null) { ctx.beginPath(); ctx.moveTo(points[0].x, points[0].y); ctx.lineTo(points[1].x, points[1].y); } return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y); } this.getMarkers = function () { var points = this.getPoints(); var a = points[0].angleTo(points[1]); return [[points[0], a], [points[1], a]]; } } svg.Element.line.prototype = new svg.Element.PathElementBase; // polyline element svg.Element.polyline = function (node) { this.base = svg.Element.PathElementBase; this.base(node); this.points = svg.CreatePath(this.attribute('points').value); this.path = function (ctx) { var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y); if (ctx != null) { ctx.beginPath(); ctx.moveTo(this.points[0].x, this.points[0].y); } for (var i = 1; i < this.points.length; i++) { bb.addPoint(this.points[i].x, this.points[i].y); if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y); } return bb; } this.getMarkers = function () { var markers = []; for (var i = 0; i < this.points.length - 1; i++) { markers.push([this.points[i], this.points[i].angleTo(this.points[i + 1])]); } markers.push([this.points[this.points.length - 1], markers[markers.length - 1][1]]); return markers; } } svg.Element.polyline.prototype = new svg.Element.PathElementBase; // polygon element svg.Element.polygon = function (node) { this.base = svg.Element.polyline; this.base(node); this.basePath = this.path; this.path = function (ctx) { var bb = this.basePath(ctx); if (ctx != null) { ctx.lineTo(this.points[0].x, this.points[0].y); ctx.closePath(); } return bb; } } svg.Element.polygon.prototype = new svg.Element.polyline; // path element svg.Element.path = function (node) { this.base = svg.Element.PathElementBase; this.base(node); var d = this.attribute('d').value; // TODO: convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF d = d.replace(/,/gm, ' '); // get rid of all commas d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2'); // separate commands from commands d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2'); // separate commands from commands d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm, '$1 $2'); // separate commands from points d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2'); // separate commands from points d = d.replace(/([0-9])([+\-])/gm, '$1 $2'); // separate digits when no comma d = d.replace(/(\.[0-9]*)(\.)/gm, '$1 $2'); // separate digits when no comma d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm, '$1 $3 $4 '); // shorthand elliptical arc path syntax d = svg.compressSpaces(d); // compress multiple spaces d = svg.trim(d); this.PathParser = new (function (d) { this.tokens = d.split(' '); this.reset = function () { this.i = -1; this.command = ''; this.previousCommand = ''; this.start = new svg.Point(0, 0); this.control = new svg.Point(0, 0); this.current = new svg.Point(0, 0); this.points = []; this.angles = []; } this.isEnd = function () { return this.i >= this.tokens.length - 1; } this.isCommandOrEnd = function () { if (this.isEnd()) return true; return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null; } this.isRelativeCommand = function () { return this.command == this.command.toLowerCase(); } this.getToken = function () { this.i = this.i + 1; return this.tokens[this.i]; } this.getScalar = function () { return parseFloat(this.getToken()); } this.nextCommand = function () { this.previousCommand = this.command; this.command = this.getToken(); } this.getPoint = function () { var p = new svg.Point(this.getScalar(), this.getScalar()); return this.makeAbsolute(p); } this.getAsControlPoint = function () { var p = this.getPoint(); this.control = p; return p; } this.getAsCurrentPoint = function () { var p = this.getPoint(); this.current = p; return p; } this.getReflectedControlPoint = function () { if (this.previousCommand.toLowerCase() != 'c' && this.previousCommand.toLowerCase() != 's') { return this.current; } // reflect point var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y); return p; } this.makeAbsolute = function (p) { if (this.isRelativeCommand()) { p.x = this.current.x + p.x; p.y = this.current.y + p.y; } return p; } this.addMarker = function (p, from, priorTo) { // if the last angle isn't filled in because we didn't have this point yet ... if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length - 1] == null) { this.angles[this.angles.length - 1] = this.points[this.points.length - 1].angleTo(priorTo); } this.addMarkerAngle(p, from == null ? null : from.angleTo(p)); } this.addMarkerAngle = function (p, a) { this.points.push(p); this.angles.push(a); } this.getMarkerPoints = function () { return this.points; } this.getMarkerAngles = function () { for (var i = 0; i < this.angles.length; i++) { if (this.angles[i] == null) { for (var j = i + 1; j < this.angles.length; j++) { if (this.angles[j] != null) { this.angles[i] = this.angles[j]; break; } } } } return this.angles; } })(d); this.path = function (ctx) { var pp = this.PathParser; pp.reset(); var bb = new svg.BoundingBox(); if (ctx != null) ctx.beginPath(); while (!pp.isEnd()) { pp.nextCommand(); switch (pp.command.toUpperCase()) { case 'M': var p = pp.getAsCurrentPoint(); pp.addMarker(p); bb.addPoint(p.x, p.y); if (ctx != null) ctx.moveTo(p.x, p.y); pp.start = pp.current; while (!pp.isCommandOrEnd()) { var p = pp.getAsCurrentPoint(); pp.addMarker(p, pp.start); bb.addPoint(p.x, p.y); if (ctx != null) ctx.lineTo(p.x, p.y); } break; case 'L': while (!pp.isCommandOrEnd()) { var c = pp.current; var p = pp.getAsCurrentPoint(); pp.addMarker(p, c); bb.addPoint(p.x, p.y); if (ctx != null) ctx.lineTo(p.x, p.y); } break; case 'H': while (!pp.isCommandOrEnd()) { var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y); pp.addMarker(newP, pp.current); pp.current = newP; bb.addPoint(pp.current.x, pp.current.y); if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y); } break; case 'V': while (!pp.isCommandOrEnd()) { var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar()); pp.addMarker(newP, pp.current); pp.current = newP; bb.addPoint(pp.current.x, pp.current.y); if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y); } break; case 'C': while (!pp.isCommandOrEnd()) { var curr = pp.current; var p1 = pp.getPoint(); var cntrl = pp.getAsControlPoint(); var cp = pp.getAsCurrentPoint(); pp.addMarker(cp, cntrl, p1); bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); } break; case 'S': while (!pp.isCommandOrEnd()) { var curr = pp.current; var p1 = pp.getReflectedControlPoint(); var cntrl = pp.getAsControlPoint(); var cp = pp.getAsCurrentPoint(); pp.addMarker(cp, cntrl, p1); bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); } break; case 'Q': while (!pp.isCommandOrEnd()) { var curr = pp.current; var cntrl = pp.getAsControlPoint(); var cp = pp.getAsCurrentPoint(); pp.addMarker(cp, cntrl, cntrl); bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y); if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y); } break; case 'T': while (!pp.isCommandOrEnd()) { var curr = pp.current; var cntrl = pp.getReflectedControlPoint(); pp.control = cntrl; var cp = pp.getAsCurrentPoint(); pp.addMarker(cp, cntrl, cntrl); bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y); if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y); } break; case 'A': while (!pp.isCommandOrEnd()) { var curr = pp.current; var rx = pp.getScalar(); var ry = pp.getScalar(); var xAxisRotation = pp.getScalar() * (Math.PI / 180.0); var largeArcFlag = pp.getScalar(); var sweepFlag = pp.getScalar(); var cp = pp.getAsCurrentPoint(); // Conversion from endpoint to center parameterization // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes // x1', y1' var currp = new svg.Point( Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0 ); // adjust radii var l = Math.pow(currp.x, 2) / Math.pow(rx, 2) + Math.pow(currp.y, 2) / Math.pow(ry, 2); if (l > 1) { rx *= Math.sqrt(l); ry *= Math.sqrt(l); } // cx', cy' var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt( ((Math.pow(rx, 2) * Math.pow(ry, 2)) - (Math.pow(rx, 2) * Math.pow(currp.y, 2)) - (Math.pow(ry, 2) * Math.pow(currp.x, 2))) / (Math.pow(rx, 2) * Math.pow(currp.y, 2) + Math.pow(ry, 2) * Math.pow(currp.x, 2)) ); if (isNaN(s)) s = 0; var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx); // cx, cy var centp = new svg.Point( (curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y ); // vector magnitude var m = function (v) { return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2)); } // ratio between two vectors var r = function (u, v) { return (u[0] * v[0] + u[1] * v[1]) / (m(u) * m(v)) } // angle between two vectors var a = function (u, v) { return (u[0] * v[1] < u[1] * v[0] ? -1 : 1) * Math.acos(r(u, v)); } // initial angle var a1 = a([1, 0], [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]); // angle delta var u = [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]; var v = [(-currp.x - cpp.x) / rx, (-currp.y - cpp.y) / ry]; var ad = a(u, v); if (r(u, v) <= -1) ad = Math.PI; if (r(u, v) >= 1) ad = 0; if (sweepFlag == 0 && ad > 0) ad = ad - 2 * Math.PI; if (sweepFlag == 1 && ad < 0) ad = ad + 2 * Math.PI; // for markers var halfWay = new svg.Point( centp.x - rx * Math.cos((a1 + ad) / 2), centp.y - ry * Math.sin((a1 + ad) / 2) ); pp.addMarkerAngle(halfWay, (a1 + ad) / 2 + (sweepFlag == 0 ? 1 : -1) * Math.PI / 2); pp.addMarkerAngle(cp, ad + (sweepFlag == 0 ? 1 : -1) * Math.PI / 2); bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better if (ctx != null) { var r = rx > ry ? rx : ry; var sx = rx > ry ? 1 : rx / ry; var sy = rx > ry ? ry / rx : 1; ctx.translate(centp.x, centp.y); ctx.rotate(xAxisRotation); ctx.scale(sx, sy); ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag); ctx.scale(1 / sx, 1 / sy); ctx.rotate(-xAxisRotation); ctx.translate(-centp.x, -centp.y); } } break; case 'Z': if (ctx != null) ctx.closePath(); pp.current = pp.start; } } return bb; } this.getMarkers = function () { var points = this.PathParser.getMarkerPoints(); var angles = this.PathParser.getMarkerAngles(); var markers = []; for (var i = 0; i < points.length; i++) { markers.push([points[i], angles[i]]); } return markers; } } svg.Element.path.prototype = new svg.Element.PathElementBase; // pattern element svg.Element.pattern = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.createPattern = function (ctx, element) { // render me using a temporary svg element var tempSvg = new svg.Element.svg(); tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value); tempSvg.attributes['x'] = new svg.Property('x', this.attribute('x').value); tempSvg.attributes['y'] = new svg.Property('y', this.attribute('y').value); tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value); tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value); tempSvg.children = this.children; var c = document.createElement('canvas'); c.width = this.attribute('width').Length.toPixels('x'); c.height = this.attribute('height').Length.toPixels('y'); tempSvg.render(c.getContext('2d')); return ctx.createPattern(c, 'repeat'); } } svg.Element.pattern.prototype = new svg.Element.ElementBase; // marker element svg.Element.marker = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.baseRender = this.render; this.render = function (ctx, point, angle) { ctx.translate(point.x, point.y); if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle); if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth); ctx.save(); // render me using a temporary svg element var tempSvg = new svg.Element.svg(); tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value); tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value); tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value); tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value); tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value); tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black')); tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none')); tempSvg.children = this.children; tempSvg.render(ctx); ctx.restore(); if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1 / ctx.lineWidth, 1 / ctx.lineWidth); if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle); ctx.translate(-point.x, -point.y); } } svg.Element.marker.prototype = new svg.Element.ElementBase; // definitions element svg.Element.defs = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.render = function (ctx) { // NOOP } } svg.Element.defs.prototype = new svg.Element.ElementBase; // base for gradients svg.Element.GradientBase = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.gradientUnits = this.attribute('gradientUnits').valueOrDefault('objectBoundingBox'); this.stops = []; for (var i = 0; i < this.children.length; i++) { var child = this.children[i]; this.stops.push(child); } this.getGradient = function () { // OVERRIDE ME! } this.createGradient = function (ctx, element) { var stopsContainer = this; if (this.attribute('xlink:href').hasValue()) { stopsContainer = this.attribute('xlink:href').Definition.getDefinition(); } var g = this.getGradient(ctx, element); for (var i = 0; i < stopsContainer.stops.length; i++) { g.addColorStop(stopsContainer.stops[i].offset, stopsContainer.stops[i].color); } if (this.attribute('gradientTransform').hasValue()) { // render as transformed pattern on temporary canvas var rootView = svg.ViewPort.viewPorts[0]; var rect = new svg.Element.rect(); rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS / 3.0); rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS / 3.0); rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS); rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS); var group = new svg.Element.g(); group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value); group.children = [rect]; var tempSvg = new svg.Element.svg(); tempSvg.attributes['x'] = new svg.Property('x', 0); tempSvg.attributes['y'] = new svg.Property('y', 0); tempSvg.attributes['width'] = new svg.Property('width', rootView.width); tempSvg.attributes['height'] = new svg.Property('height', rootView.height); tempSvg.children = [group]; var c = document.createElement('canvas'); c.width = rootView.width; c.height = rootView.height; var tempCtx = c.getContext('2d'); tempCtx.fillStyle = g; tempSvg.render(tempCtx); return tempCtx.createPattern(c, 'no-repeat'); } return g; } } svg.Element.GradientBase.prototype = new svg.Element.ElementBase; // linear gradient element svg.Element.linearGradient = function (node) { this.base = svg.Element.GradientBase; this.base(node); this.getGradient = function (ctx, element) { var bb = element.getBoundingBox(); var x1 = (this.gradientUnits == 'objectBoundingBox' ? bb.x() + bb.width() * this.attribute('x1').numValue() : this.attribute('x1').Length.toPixels('x')); var y1 = (this.gradientUnits == 'objectBoundingBox' ? bb.y() + bb.height() * this.attribute('y1').numValue() : this.attribute('y1').Length.toPixels('y')); var x2 = (this.gradientUnits == 'objectBoundingBox' ? bb.x() + bb.width() * this.attribute('x2').numValue() : this.attribute('x2').Length.toPixels('x')); var y2 = (this.gradientUnits == 'objectBoundingBox' ? bb.y() + bb.height() * this.attribute('y2').numValue() : this.attribute('y2').Length.toPixels('y')); return ctx.createLinearGradient(x1, y1, x2, y2); } } svg.Element.linearGradient.prototype = new svg.Element.GradientBase; // radial gradient element svg.Element.radialGradient = function (node) { this.base = svg.Element.GradientBase; this.base(node); this.getGradient = function (ctx, element) { var bb = element.getBoundingBox(); var cx = (this.gradientUnits == 'objectBoundingBox' ? bb.x() + bb.width() * this.attribute('cx').numValue() : this.attribute('cx').Length.toPixels('x')); var cy = (this.gradientUnits == 'objectBoundingBox' ? bb.y() + bb.height() * this.attribute('cy').numValue() : this.attribute('cy').Length.toPixels('y')); var fx = cx; var fy = cy; if (this.attribute('fx').hasValue()) { fx = (this.gradientUnits == 'objectBoundingBox' ? bb.x() + bb.width() * this.attribute('fx').numValue() : this.attribute('fx').Length.toPixels('x')); } if (this.attribute('fy').hasValue()) { fy = (this.gradientUnits == 'objectBoundingBox' ? bb.y() + bb.height() * this.attribute('fy').numValue() : this.attribute('fy').Length.toPixels('y')); } var r = (this.gradientUnits == 'objectBoundingBox' ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue() : this.attribute('r').Length.toPixels()); return ctx.createRadialGradient(fx, fy, 0, cx, cy, r); } } svg.Element.radialGradient.prototype = new svg.Element.GradientBase; // gradient stop element svg.Element.stop = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.offset = this.attribute('offset').numValue(); var stopColor = this.style('stop-color'); if (this.style('stop-opacity').hasValue()) stopColor = stopColor.Color.addOpacity(this.style('stop-opacity').value); this.color = stopColor.value; } svg.Element.stop.prototype = new svg.Element.ElementBase; // animation base element svg.Element.AnimateBase = function (node) { this.base = svg.Element.ElementBase; this.base(node); svg.Animations.push(this); this.duration = 0.0; this.begin = this.attribute('begin').Time.toMilliseconds(); this.maxDuration = this.begin + this.attribute('dur').Time.toMilliseconds(); this.getProperty = function () { var attributeType = this.attribute('attributeType').value; var attributeName = this.attribute('attributeName').value; if (attributeType == 'CSS') { return this.parent.style(attributeName, true); } return this.parent.attribute(attributeName, true); }; this.initialValue = null; this.removed = false; this.calcValue = function () { // OVERRIDE ME! return ''; } this.update = function (delta) { // set initial value if (this.initialValue == null) { this.initialValue = this.getProperty().value; } // if we're past the end time if (this.duration > this.maxDuration) { // loop for indefinitely repeating animations if (this.attribute('repeatCount').value == 'indefinite') { this.duration = 0.0 } else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) { this.removed = true; this.getProperty().value = this.initialValue; return true; } else { return false; // no updates made } } this.duration = this.duration + delta; // if we're past the begin time var updated = false; if (this.begin < this.duration) { var newValue = this.calcValue(); // tween if (this.attribute('type').hasValue()) { // for transform, etc. var type = this.attribute('type').value; newValue = type + '(' + newValue + ')'; } this.getProperty().value = newValue; updated = true; } return updated; } // fraction of duration we've covered this.progress = function () { return ((this.duration - this.begin) / (this.maxDuration - this.begin)); } } svg.Element.AnimateBase.prototype = new svg.Element.ElementBase; // animate element svg.Element.animate = function (node) { this.base = svg.Element.AnimateBase; this.base(node); this.calcValue = function () { var from = this.attribute('from').numValue(); var to = this.attribute('to').numValue(); // tween value linearly return from + (to - from) * this.progress(); }; } svg.Element.animate.prototype = new svg.Element.AnimateBase; // animate color element svg.Element.animateColor = function (node) { this.base = svg.Element.AnimateBase; this.base(node); this.calcValue = function () { var from = new RGBColor(this.attribute('from').value); var to = new RGBColor(this.attribute('to').value); if (from.ok && to.ok) { // tween color linearly var r = from.r + (to.r - from.r) * this.progress(); var g = from.g + (to.g - from.g) * this.progress(); var b = from.b + (to.b - from.b) * this.progress(); return 'rgb(' + parseInt(r, 10) + ',' + parseInt(g, 10) + ',' + parseInt(b, 10) + ')'; } return this.attribute('from').value; }; } svg.Element.animateColor.prototype = new svg.Element.AnimateBase; // animate transform element svg.Element.animateTransform = function (node) { this.base = svg.Element.animate; this.base(node); } svg.Element.animateTransform.prototype = new svg.Element.animate; // font element svg.Element.font = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.horizAdvX = this.attribute('horiz-adv-x').numValue(); this.isRTL = false; this.isArabic = false; this.fontFace = null; this.missingGlyph = null; this.glyphs = []; for (var i = 0; i < this.children.length; i++) { var child = this.children[i]; if (child.type == 'font-face') { this.fontFace = child; if (child.style('font-family').hasValue()) { svg.Definitions[child.style('font-family').value] = this; } } else if (child.type == 'missing-glyph') this.missingGlyph = child; else if (child.type == 'glyph') { if (child.arabicForm != '') { this.isRTL = true; this.isArabic = true; if (typeof (this.glyphs[child.unicode]) == 'undefined') this.glyphs[child.unicode] = []; this.glyphs[child.unicode][child.arabicForm] = child; } else { this.glyphs[child.unicode] = child; } } } } svg.Element.font.prototype = new svg.Element.ElementBase; // font-face element svg.Element.fontface = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.ascent = this.attribute('ascent').value; this.descent = this.attribute('descent').value; this.unitsPerEm = this.attribute('units-per-em').numValue(); } svg.Element.fontface.prototype = new svg.Element.ElementBase; // missing-glyph element svg.Element.missingglyph = function (node) { this.base = svg.Element.path; this.base(node); this.horizAdvX = 0; } svg.Element.missingglyph.prototype = new svg.Element.path; // glyph element svg.Element.glyph = function (node) { this.base = svg.Element.path; this.base(node); this.horizAdvX = this.attribute('horiz-adv-x').numValue(); this.unicode = this.attribute('unicode').value; this.arabicForm = this.attribute('arabic-form').value; } svg.Element.glyph.prototype = new svg.Element.path; // text element svg.Element.text = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); if (node != null) { // add children this.children = []; for (var i = 0; i < node.childNodes.length; i++) { var childNode = node.childNodes[i]; if (childNode.nodeType == 1) { // capture tspan and tref nodes this.addChild(childNode, true); } else if (childNode.nodeType == 3) { // capture text this.addChild(new svg.Element.tspan(childNode), false); } } } this.baseSetContext = this.setContext; this.setContext = function (ctx) { this.baseSetContext(ctx); if (this.style('dominant-baseline').hasValue()) ctx.textBaseline = this.style('dominant-baseline').value; if (this.style('alignment-baseline').hasValue()) ctx.textBaseline = this.style('alignment-baseline').value; } this.renderChildren = function (ctx) { var textAnchor = this.style('text-anchor').valueOrDefault('start'); var x = this.attribute('x').Length.toPixels('x'); var y = this.attribute('y').Length.toPixels('y'); for (var i = 0; i < this.children.length; i++) { var child = this.children[i]; if (child.attribute('x').hasValue()) { child.x = child.attribute('x').Length.toPixels('x'); } else { if (child.attribute('dx').hasValue()) x += child.attribute('dx').Length.toPixels('x'); child.x = x; } var childLength = child.measureText(ctx); if (textAnchor != 'start' && (i == 0 || child.attribute('x').hasValue())) { // new group? // loop through rest of children var groupLength = childLength; for (var j = i + 1; j < this.children.length; j++) { var childInGroup = this.children[j]; if (childInGroup.attribute('x').hasValue()) break; // new group groupLength += childInGroup.measureText(ctx); } child.x -= (textAnchor == 'end' ? groupLength : groupLength / 2.0); } x = child.x + childLength; if (child.attribute('y').hasValue()) { child.y = child.attribute('y').Length.toPixels('y'); } else { if (child.attribute('dy').hasValue()) y += child.attribute('dy').Length.toPixels('y'); child.y = y; } y = child.y; child.render(ctx); } } } svg.Element.text.prototype = new svg.Element.RenderedElementBase; // text base svg.Element.TextElementBase = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); this.getGlyph = function (font, text, i) { var c = text[i]; var glyph = null; if (font.isArabic) { var arabicForm = 'isolated'; if ((i == 0 || text[i - 1] == ' ') && i < text.length - 2 && text[i + 1] != ' ') arabicForm = 'terminal'; if (i > 0 && text[i - 1] != ' ' && i < text.length - 2 && text[i + 1] != ' ') arabicForm = 'medial'; if (i > 0 && text[i - 1] != ' ' && (i == text.length - 1 || text[i + 1] == ' ')) arabicForm = 'initial'; if (typeof (font.glyphs[c]) != 'undefined') { glyph = font.glyphs[c][arabicForm]; if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c]; } } else { glyph = font.glyphs[c]; } if (glyph == null) glyph = font.missingGlyph; return glyph; } this.renderChildren = function (ctx) { var customFont = this.parent.style('font-family').Definition.getDefinition(); if (customFont != null) { var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle); var text = this.getText(); if (customFont.isRTL) text = text.split("").reverse().join(""); var dx = svg.ToNumberArray(this.parent.attribute('dx').value); for (var i = 0; i < text.length; i++) { var glyph = this.getGlyph(customFont, text, i); var scale = fontSize / customFont.fontFace.unitsPerEm; ctx.translate(this.x, this.y); ctx.scale(scale, -scale); var lw = ctx.lineWidth; ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize; if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0); glyph.render(ctx); if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0); ctx.lineWidth = lw; ctx.scale(1 / scale, -1 / scale); ctx.translate(-this.x, -this.y); this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm; if (typeof (dx[i]) != 'undefined' && !isNaN(dx[i])) { this.x += dx[i]; } } return; } if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y); if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y); } this.getText = function () { // OVERRIDE ME } this.measureText = function (ctx) { var customFont = this.parent.style('font-family').Definition.getDefinition(); if (customFont != null) { var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); var measure = 0; var text = this.getText(); if (customFont.isRTL) text = text.split("").reverse().join(""); var dx = svg.ToNumberArray(this.parent.attribute('dx').value); for (var i = 0; i < text.length; i++) { var glyph = this.getGlyph(customFont, text, i); measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm; if (typeof (dx[i]) != 'undefined' && !isNaN(dx[i])) { measure += dx[i]; } } return measure; } var textToMeasure = svg.compressSpaces(this.getText()); if (!ctx.measureText) return textToMeasure.length * 10; ctx.save(); this.setContext(ctx); var width = ctx.measureText(textToMeasure).width; ctx.restore(); return width; } } svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase; // tspan svg.Element.tspan = function (node) { this.base = svg.Element.TextElementBase; this.base(node); this.text = node.nodeType == 3 ? node.nodeValue : // text node.childNodes.length > 0 ? node.childNodes[0].nodeValue : // element node.text; this.getText = function () { return this.text; } } svg.Element.tspan.prototype = new svg.Element.TextElementBase; // tref svg.Element.tref = function (node) { this.base = svg.Element.TextElementBase; this.base(node); this.getText = function () { var element = this.attribute('xlink:href').Definition.getDefinition(); if (element != null) return element.children[0].getText(); } } svg.Element.tref.prototype = new svg.Element.TextElementBase; // a element svg.Element.a = function (node) { this.base = svg.Element.TextElementBase; this.base(node); this.hasText = true; for (var i = 0; i < node.childNodes.length; i++) { if (node.childNodes[i].nodeType != 3) this.hasText = false; } // this might contain text this.text = this.hasText ? node.childNodes[0].nodeValue : ''; this.getText = function () { return this.text; } this.baseRenderChildren = this.renderChildren; this.renderChildren = function (ctx) { if (this.hasText) { // render as text element this.baseRenderChildren(ctx); var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize); svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.Length.toPixels('y'), this.x + this.measureText(ctx), this.y)); } else { // render as temporary group var g = new svg.Element.g(); g.children = this.children; g.parent = this; g.render(ctx); } } this.onclick = function () { window.open(this.attribute('xlink:href').value); } this.onmousemove = function () { svg.ctx.canvas.style.cursor = 'pointer'; } } svg.Element.a.prototype = new svg.Element.TextElementBase; // image element svg.Element.image = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); svg.Images.push(this); this.img = document.createElement('img'); this.loaded = false; var that = this; this.img.onload = function () { that.loaded = true; } this.img.src = this.attribute('xlink:href').value; this.renderChildren = function (ctx) { var x = this.attribute('x').Length.toPixels('x'); var y = this.attribute('y').Length.toPixels('y'); var width = this.attribute('width').Length.toPixels('x'); var height = this.attribute('height').Length.toPixels('y'); if (width == 0 || height == 0) return; ctx.save(); ctx.translate(x, y); svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, width, this.img.width, height, this.img.height, 0, 0); ctx.drawImage(this.img, 0, 0); ctx.restore(); } } svg.Element.image.prototype = new svg.Element.RenderedElementBase; // group element svg.Element.g = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); this.getBoundingBox = function () { var bb = new svg.BoundingBox(); for (var i = 0; i < this.children.length; i++) { bb.addBoundingBox(this.children[i].getBoundingBox()); } return bb; }; } svg.Element.g.prototype = new svg.Element.RenderedElementBase; // symbol element svg.Element.symbol = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); this.baseSetContext = this.setContext; this.setContext = function (ctx) { this.baseSetContext(ctx); // viewbox if (this.attribute('viewBox').hasValue()) { var viewBox = svg.ToNumberArray(this.attribute('viewBox').value); var minX = viewBox[0]; var minY = viewBox[1]; width = viewBox[2]; height = viewBox[3]; svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, this.attribute('width').Length.toPixels('x'), width, this.attribute('height').Length.toPixels('y'), height, minX, minY); svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); } } } svg.Element.symbol.prototype = new svg.Element.RenderedElementBase; // style element svg.Element.style = function (node) { this.base = svg.Element.ElementBase; this.base(node); // text, or spaces then CDATA var css = node.childNodes[0].nodeValue + (node.childNodes.length > 1 ? node.childNodes[1].nodeValue : ''); css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments css = svg.compressSpaces(css); // replace whitespace var cssDefs = css.split('}'); for (var i = 0; i < cssDefs.length; i++) { if (svg.trim(cssDefs[i]) != '') { var cssDef = cssDefs[i].split('{'); var cssClasses = cssDef[0].split(','); var cssProps = cssDef[1].split(';'); for (var j = 0; j < cssClasses.length; j++) { var cssClass = svg.trim(cssClasses[j]); if (cssClass != '') { var props = {}; for (var k = 0; k < cssProps.length; k++) { var prop = cssProps[k].indexOf(':'); var name = cssProps[k].substr(0, prop); var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop); if (name != null && value != null) { props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value)); } } svg.Styles[cssClass] = props; if (cssClass == '@font-face') { var fontFamily = props['font-family'].value.replace(/"/g, ''); var srcs = props['src'].value.split(','); for (var s = 0; s < srcs.length; s++) { if (srcs[s].indexOf('format("svg")') > 0) { var urlStart = srcs[s].indexOf('url'); var urlEnd = srcs[s].indexOf(')', urlStart); var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6); var doc = svg.parseXml(svg.ajax(url)); var fonts = doc.getElementsByTagName('font'); for (var f = 0; f < fonts.length; f++) { var font = svg.CreateElement(fonts[f]); svg.Definitions[fontFamily] = font; } } } } } } } } } svg.Element.style.prototype = new svg.Element.ElementBase; // use element svg.Element.use = function (node) { this.base = svg.Element.RenderedElementBase; this.base(node); this.baseSetContext = this.setContext; this.setContext = function (ctx) { this.baseSetContext(ctx); if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').Length.toPixels('x'), 0); if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').Length.toPixels('y')); } this.getDefinition = function () { var element = this.attribute('xlink:href').Definition.getDefinition(); if (this.attribute('width').hasValue()) element.attribute('width', true).value = this.attribute('width').value; if (this.attribute('height').hasValue()) element.attribute('height', true).value = this.attribute('height').value; return element; } this.path = function (ctx) { var element = this.getDefinition(); if (element != null) element.path(ctx); } this.renderChildren = function (ctx) { var element = this.getDefinition(); if (element != null) element.render(ctx); } } svg.Element.use.prototype = new svg.Element.RenderedElementBase; // mask element svg.Element.mask = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.apply = function (ctx, element) { // render as temp svg var x = this.attribute('x').Length.toPixels('x'); var y = this.attribute('y').Length.toPixels('y'); var width = this.attribute('width').Length.toPixels('x'); var height = this.attribute('height').Length.toPixels('y'); // temporarily remove mask to avoid recursion var mask = element.attribute('mask').value; element.attribute('mask').value = ''; var cMask = document.createElement('canvas'); cMask.width = x + width; cMask.height = y + height; var maskCtx = cMask.getContext('2d'); this.renderChildren(maskCtx); var c = document.createElement('canvas'); c.width = x + width; c.height = y + height; var tempCtx = c.getContext('2d'); element.render(tempCtx); tempCtx.globalCompositeOperation = 'destination-in'; tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat'); tempCtx.fillRect(0, 0, x + width, y + height); ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat'); ctx.fillRect(0, 0, x + width, y + height); // reassign mask element.attribute('mask').value = mask; } this.render = function (ctx) { // NO RENDER } } svg.Element.mask.prototype = new svg.Element.ElementBase; // clip element svg.Element.clipPath = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.apply = function (ctx) { for (var i = 0; i < this.children.length; i++) { if (this.children[i].path) { this.children[i].path(ctx); ctx.clip(); } } } this.render = function (ctx) { // NO RENDER } } svg.Element.clipPath.prototype = new svg.Element.ElementBase; // filters svg.Element.filter = function (node) { this.base = svg.Element.ElementBase; this.base(node); this.apply = function (ctx, element) { // render as temp svg var bb = element.getBoundingBox(); var x = this.attribute('x').Length.toPixels('x'); var y = this.attribute('y').Length.toPixels('y'); if (x == 0 || y == 0) { x = bb.x1; y = bb.y1; } var width = this.attribute('width').Length.toPixels('x'); var height = this.attribute('height').Length.toPixels('y'); if (width == 0 || height == 0) { width = bb.width(); height = bb.height(); } // temporarily remove filter to avoid recursion var filter = element.style('filter').value; element.style('filter').value = ''; // max filter distance var extraPercent = .20; var px = extraPercent * width; var py = extraPercent * height; var c = document.createElement('canvas'); c.width = width + 2 * px; c.height = height + 2 * py; var tempCtx = c.getContext('2d'); tempCtx.translate(-x + px, -y + py); element.render(tempCtx); // apply filters for (var i = 0; i < this.children.length; i++) { this.children[i].apply(tempCtx, 0, 0, width + 2 * px, height + 2 * py); } // render on me ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py); // reassign filter element.style('filter', true).value = filter; } this.render = function (ctx) { // NO RENDER } } svg.Element.filter.prototype = new svg.Element.ElementBase; svg.Element.feGaussianBlur = function (node) { this.base = svg.Element.ElementBase; this.base(node); function make_fgauss(sigma) { sigma = Math.max(sigma, 0.01); var len = Math.ceil(sigma * 4.0) + 1; mask = []; for (var i = 0; i < len; i++) { mask[i] = Math.exp(-0.5 * (i / sigma) * (i / sigma)); } return mask; } function normalize(mask) { var sum = 0; for (var i = 1; i < mask.length; i++) { sum += Math.abs(mask[i]); } sum = 2 * sum + Math.abs(mask[0]); for (var i = 0; i < mask.length; i++) { mask[i] /= sum; } return mask; } function convolve_even(src, dst, mask, width, height) { for (var y = 0; y < height; y++) { for (var x = 0; x < width; x++) { var a = imGet(src, x, y, width, height, 3) / 255; for (var rgba = 0; rgba < 4; rgba++) { var sum = mask[0] * (a == 0 ? 255 : imGet(src, x, y, width, height, rgba)) * (a == 0 || rgba == 3 ? 1 : a); for (var i = 1; i < mask.length; i++) { var a1 = imGet(src, Math.max(x - i, 0), y, width, height, 3) / 255; var a2 = imGet(src, Math.min(x + i, width - 1), y, width, height, 3) / 255; sum += mask[i] * ((a1 == 0 ? 255 : imGet(src, Math.max(x - i, 0), y, width, height, rgba)) * (a1 == 0 || rgba == 3 ? 1 : a1) + (a2 == 0 ? 255 : imGet(src, Math.min(x + i, width - 1), y, width, height, rgba)) * (a2 == 0 || rgba == 3 ? 1 : a2)); } imSet(dst, y, x, height, width, rgba, sum); } } } } function imGet(img, x, y, width, height, rgba) { return img[y * width * 4 + x * 4 + rgba]; } function imSet(img, x, y, width, height, rgba, val) { img[y * width * 4 + x * 4 + rgba] = val; } function blur(ctx, width, height, sigma) { var srcData = ctx.getImageData(0, 0, width, height); var mask = make_fgauss(sigma); mask = normalize(mask); tmp = []; convolve_even(srcData.data, tmp, mask, width, height); convolve_even(tmp, srcData.data, mask, height, width); ctx.clearRect(0, 0, width, height); ctx.putImageData(srcData, 0, 0); } this.apply = function (ctx, x, y, width, height) { // assuming x==0 && y==0 for now blur(ctx, width, height, this.attribute('stdDeviation').numValue()); } } svg.Element.filter.prototype = new svg.Element.feGaussianBlur; // title element, do nothing svg.Element.title = function (node) { } svg.Element.title.prototype = new svg.Element.ElementBase; // desc element, do nothing svg.Element.desc = function (node) { } svg.Element.desc.prototype = new svg.Element.ElementBase; svg.Element.MISSING = function (node) { console.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.'); } svg.Element.MISSING.prototype = new svg.Element.ElementBase; // element factory svg.CreateElement = function (node) { var className = node.nodeName.replace(/^[^:]+:/, ''); // remove namespace className = className.replace(/\-/g, ''); // remove dashes var e = null; if (typeof (svg.Element[className]) != 'undefined') { e = new svg.Element[className](node); } else { e = new svg.Element.MISSING(node); } e.type = node.nodeName; return e; } // load from url svg.load = function (ctx, url) { svg.loadXml(ctx, svg.ajax(url)); } // load from xml svg.loadXml = function (ctx, xml) { svg.loadXmlDoc(ctx, svg.parseXml(xml)); } svg.loadXmlDoc = function (ctx, dom) { svg.init(ctx); var mapXY = function (p) { var e = ctx.canvas; while (e) { p.x -= e.offsetLeft; p.y -= e.offsetTop; e = e.offsetParent; } if (window.scrollX) p.x += window.scrollX; if (window.scrollY) p.y += window.scrollY; return p; } // bind mouse if (svg.opts['ignoreMouse'] != true) { ctx.canvas.onclick = function (e) { var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY)); svg.Mouse.onclick(p.x, p.y); }; ctx.canvas.onmousemove = function (e) { var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY)); svg.Mouse.onmousemove(p.x, p.y); }; } var e = svg.CreateElement(dom.documentElement); e.root = true; // render loop var isFirstRender = true; var draw = function () { svg.ViewPort.Clear(); if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight); if (svg.opts['ignoreDimensions'] != true) { // set canvas size if (e.style('width').hasValue()) { ctx.canvas.width = e.style('width').Length.toPixels('x'); ctx.canvas.style.width = ctx.canvas.width + 'px'; } if (e.style('height').hasValue()) { ctx.canvas.height = e.style('height').Length.toPixels('y'); ctx.canvas.style.height = ctx.canvas.height + 'px'; } } var cWidth = ctx.canvas.clientWidth || ctx.canvas.width; var cHeight = ctx.canvas.clientHeight || ctx.canvas.height; svg.ViewPort.SetCurrent(cWidth, cHeight); if (svg.opts != null && svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX']; if (svg.opts != null && svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY']; if (svg.opts != null && svg.opts['scaleWidth'] != null && svg.opts['scaleHeight'] != null) { var xRatio = 1, yRatio = 1; if (e.attribute('width').hasValue()) xRatio = e.attribute('width').Length.toPixels('x') / svg.opts['scaleWidth']; if (e.attribute('height').hasValue()) yRatio = e.attribute('height').Length.toPixels('y') / svg.opts['scaleHeight']; e.attribute('width', true).value = svg.opts['scaleWidth']; e.attribute('height', true).value = svg.opts['scaleHeight']; e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio); e.attribute('preserveAspectRatio', true).value = 'none'; } // clear and render if (svg.opts['ignoreClear'] != true) { ctx.clearRect(0, 0, cWidth, cHeight); } e.render(ctx); if (isFirstRender) { isFirstRender = false; if (svg.opts != null && typeof (svg.opts['renderCallback']) == 'function') svg.opts['renderCallback'](); } } var waitingForImages = true; if (svg.ImagesLoaded()) { waitingForImages = false; draw(); } svg.intervalID = setInterval(function () { var needUpdate = false; if (waitingForImages && svg.ImagesLoaded()) { waitingForImages = false; needUpdate = true; } // need update from mouse events? if (svg.opts['ignoreMouse'] != true) { needUpdate = needUpdate | svg.Mouse.hasEvents(); } // need update from animations? if (svg.opts['ignoreAnimation'] != true) { for (var i = 0; i < svg.Animations.length; i++) { needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE); } } // need update from redraw? if (svg.opts != null && typeof (svg.opts['forceRedraw']) == 'function') { if (svg.opts['forceRedraw']() == true) needUpdate = true; } // render if needed if (needUpdate) { draw(); svg.Mouse.runEvents(); // run and clear our events } }, 1000 / svg.FRAMERATE); } svg.stop = function () { if (svg.intervalID) { clearInterval(svg.intervalID); } } svg.Mouse = new (function () { this.events = []; this.hasEvents = function () { return this.events.length != 0; } this.onclick = function (x, y) { this.events.push({ type: 'onclick', x: x, y: y, run: function (e) { if (e.onclick) e.onclick(); } }); } this.onmousemove = function (x, y) { this.events.push({ type: 'onmousemove', x: x, y: y, run: function (e) { if (e.onmousemove) e.onmousemove(); } }); } this.eventElements = []; this.checkPath = function (element, ctx) { for (var i = 0; i < this.events.length; i++) { var e = this.events[i]; if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element; } } this.checkBoundingBox = function (element, bb) { for (var i = 0; i < this.events.length; i++) { var e = this.events[i]; if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element; } } this.runEvents = function () { svg.ctx.canvas.style.cursor = ''; for (var i = 0; i < this.events.length; i++) { var e = this.events[i]; var element = this.eventElements[i]; while (element) { e.run(element); element = element.parent; } } // done running, clear this.events = []; this.eventElements = []; } }); return svg; } })(); if (CanvasRenderingContext2D) { CanvasRenderingContext2D.prototype.drawSvg = function (s, dx, dy, dw, dh) { canvg(this.canvas, s, { ignoreMouse: true, ignoreAnimation: true, ignoreDimensions: true, ignoreClear: true, offsetX: dx, offsetY: dy, scaleWidth: dw, scaleHeight: dh }); } }/** * @license Highcharts JS v3.0.6 (2013-10-04) * CanVGRenderer Extension module * * (c) 2011-2012 Torstein Hønsi, Erik Olsson * * License: www.highcharts.com/license */ // JSLint options: /*global Highcharts */ (function (Highcharts) { // encapsulate var UNDEFINED, DIV = 'div', ABSOLUTE = 'absolute', RELATIVE = 'relative', HIDDEN = 'hidden', VISIBLE = 'visible', PX = 'px', css = Highcharts.css, CanVGRenderer = Highcharts.CanVGRenderer, SVGRenderer = Highcharts.SVGRenderer, extend = Highcharts.extend, merge = Highcharts.merge, addEvent = Highcharts.addEvent, createElement = Highcharts.createElement, discardElement = Highcharts.discardElement; // Extend CanVG renderer on demand, inherit from SVGRenderer extend(CanVGRenderer.prototype, SVGRenderer.prototype); // Add additional functionality: extend(CanVGRenderer.prototype, { create: function (chart, container, chartWidth, chartHeight) { this.setContainer(container, chartWidth, chartHeight); this.configure(chart); }, setContainer: function (container, chartWidth, chartHeight) { var containerStyle = container.style, containerParent = container.parentNode, containerLeft = containerStyle.left, containerTop = containerStyle.top, containerOffsetWidth = container.offsetWidth, containerOffsetHeight = container.offsetHeight, canvas, initialHiddenStyle = { visibility: HIDDEN, position: ABSOLUTE }; this.init.apply(this, [container, chartWidth, chartHeight]); // add the canvas above it canvas = createElement('canvas', { width: containerOffsetWidth, height: containerOffsetHeight }, { position: RELATIVE, left: containerLeft, top: containerTop }, container); this.canvas = canvas; // Create the tooltip line and div, they are placed as siblings to // the container (and as direct childs to the div specified in the html page) this.ttLine = createElement(DIV, null, initialHiddenStyle, containerParent); this.ttDiv = createElement(DIV, null, initialHiddenStyle, containerParent); this.ttTimer = UNDEFINED; // Move away the svg node to a new div inside the container's parent so we can hide it. var hiddenSvg = createElement(DIV, { width: containerOffsetWidth, height: containerOffsetHeight }, { visibility: HIDDEN, left: containerLeft, top: containerTop }, containerParent); this.hiddenSvg = hiddenSvg; hiddenSvg.appendChild(this.box); }, /** * Configures the renderer with the chart. Attach a listener to the event tooltipRefresh. **/ configure: function (chart) { var renderer = this, options = chart.options.tooltip, borderWidth = options.borderWidth, tooltipDiv = renderer.ttDiv, tooltipDivStyle = options.style, tooltipLine = renderer.ttLine, padding = parseInt(tooltipDivStyle.padding, 10); // Add border styling from options to the style tooltipDivStyle = merge(tooltipDivStyle, { padding: padding + PX, 'background-color': options.backgroundColor, 'border-style': 'solid', 'border-width': borderWidth + PX, 'border-radius': options.borderRadius + PX }); // Optionally add shadow if (options.shadow) { tooltipDivStyle = merge(tooltipDivStyle, { 'box-shadow': '1px 1px 3px gray', // w3c '-webkit-box-shadow': '1px 1px 3px gray' // webkit }); } css(tooltipDiv, tooltipDivStyle); // Set simple style on the line css(tooltipLine, { 'border-left': '1px solid darkgray' }); // This event is triggered when a new tooltip should be shown addEvent(chart, 'tooltipRefresh', function (args) { var chartContainer = chart.container, offsetLeft = chartContainer.offsetLeft, offsetTop = chartContainer.offsetTop, position; // Set the content of the tooltip tooltipDiv.innerHTML = args.text; // Compute the best position for the tooltip based on the divs size and container size. position = chart.tooltip.getPosition(tooltipDiv.offsetWidth, tooltipDiv.offsetHeight, { plotX: args.x, plotY: args.y }); css(tooltipDiv, { visibility: VISIBLE, left: position.x + PX, top: position.y + PX, 'border-color': args.borderColor }); // Position the tooltip line css(tooltipLine, { visibility: VISIBLE, left: offsetLeft + args.x + PX, top: offsetTop + chart.plotTop + PX, height: chart.plotHeight + PX }); // This timeout hides the tooltip after 3 seconds // First clear any existing timer if (renderer.ttTimer !== UNDEFINED) { clearTimeout(renderer.ttTimer); } // Start a new timer that hides tooltip and line renderer.ttTimer = setTimeout(function () { css(tooltipDiv, { visibility: HIDDEN }); css(tooltipLine, { visibility: HIDDEN }); }, 3000); }); }, /** * Extend SVGRenderer.destroy to also destroy the elements added by CanVGRenderer. */ destroy: function () { var renderer = this; // Remove the canvas discardElement(renderer.canvas); // Kill the timer if (renderer.ttTimer !== UNDEFINED) { clearTimeout(renderer.ttTimer); } // Remove the divs for tooltip and line discardElement(renderer.ttLine); discardElement(renderer.ttDiv); discardElement(renderer.hiddenSvg); // Continue with base class return SVGRenderer.prototype.destroy.apply(renderer); }, /** * Take a color and return it if it's a string, do not make it a gradient even if it is a * gradient. Currently canvg cannot render gradients (turns out black), * see: http://code.google.com/p/canvg/issues/detail?id=104 * * @param {Object} color The color or config object */ color: function (color, elem, prop) { if (color && color.linearGradient) { // Pick the end color and forward to base implementation color = color.stops[color.stops.length - 1][1]; } return SVGRenderer.prototype.color.call(this, color, elem, prop); }, /** * Draws the SVG on the canvas or adds a draw invokation to the deferred list. */ draw: function () { var renderer = this; window.canvg(renderer.canvas, renderer.hiddenSvg.innerHTML); } }); }(Highcharts));