| | |
| | | /* |
| | | * canvg.js - Javascript SVG parser and renderer on Canvas |
| | | * MIT Licensed |
| | | * MIT Licensed |
| | | * Gabe Lerner (gabelerner@gmail.com) |
| | | * http://code.google.com/p/canvg/ |
| | | * |
| | |
| | | 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.stop(); |
| | | } |
| | | svg.opts = opts; |
| | | |
| | | |
| | | var ctx = target.getContext('2d'); |
| | | if (typeof(s.documentElement) != 'undefined') { |
| | | // load from xml doc |
| | |
| | | |
| | | function build() { |
| | | var svg = { }; |
| | | |
| | | |
| | | svg.FRAMERATE = 30; |
| | | svg.MAX_VIRTUAL_PIXELS = 30000; |
| | | |
| | | |
| | | // globals |
| | | svg.init = function(ctx) { |
| | | svg.Definitions = {}; |
| | |
| | | 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); |
| | | return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2); |
| | | } |
| | | }); |
| | | } |
| | | svg.init(); |
| | | |
| | | |
| | | // images loaded |
| | | svg.ImagesLoaded = function() { |
| | | svg.ImagesLoaded = function() { |
| | | for (var i=0; i<svg.Images.length; i++) { |
| | | if (!svg.Images[i].loaded) return false; |
| | | } |
| | |
| | | |
| | | // trim |
| | | svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); } |
| | | |
| | | |
| | | // compress spaces |
| | | svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); } |
| | | |
| | | |
| | | // ajax |
| | | svg.ajax = function(url) { |
| | | var AJAX; |
| | |
| | | return AJAX.responseText; |
| | | } |
| | | return null; |
| | | } |
| | | |
| | | } |
| | | |
| | | // parse xml |
| | | svg.parseXml = function(xml) { |
| | | if (window.DOMParser) |
| | |
| | | var parser = new DOMParser(); |
| | | return parser.parseFromString(xml, 'text/xml'); |
| | | } |
| | | else |
| | | else |
| | | { |
| | | xml = xml.replace(/<!DOCTYPE svg[^>]*>/, ''); |
| | | var xmlDoc = new ActiveXObject('Microsoft.XMLDOM'); |
| | | xmlDoc.async = 'false'; |
| | | xmlDoc.loadXML(xml); |
| | | xmlDoc.loadXML(xml); |
| | | return xmlDoc; |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | svg.Property = function(name, value) { |
| | | this.name = name; |
| | | this.value = value; |
| | | |
| | | |
| | | this.hasValue = function() { |
| | | return (this.value != null && this.value !== ''); |
| | | } |
| | | |
| | | |
| | | // return the numerical value of the property |
| | | this.numValue = function() { |
| | | if (!this.hasValue()) return 0; |
| | | |
| | | |
| | | var n = parseFloat(this.value); |
| | | if ((this.value + '').match(/%$/)) { |
| | | 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 |
| | |
| | | return new svg.Property(that.name, newValue); |
| | | } |
| | | } |
| | | |
| | | |
| | | // definition extensions |
| | | this.Definition = { |
| | | // get the definition from the definitions table |
| | |
| | | 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; |
| | |
| | | return that.numValue(); |
| | | } |
| | | } |
| | | |
| | | |
| | | // time extensions |
| | | this.Time = { |
| | | // get the time as milliseconds |
| | |
| | | return that.numValue(); |
| | | } |
| | | } |
| | | |
| | | |
| | | // angle extensions |
| | | this.Angle = { |
| | | // get the angle as radians |
| | |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | // 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) { |
| | | |
| | | 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, |
| | | 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(' ') } |
| | | } |
| | | toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') } |
| | | } |
| | | } |
| | | |
| | | |
| | | var that = this; |
| | | this.Parse = function(s) { |
| | | var f = {}; |
| | |
| | | return f; |
| | | } |
| | | }); |
| | | |
| | | |
| | | // points and paths |
| | | svg.ToNumberArray = function(s) { |
| | | var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' '); |
| | |
| | | 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]; |
| | |
| | | } |
| | | 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) { |
| | | |
| | | this.addPoint = function(x, y) { |
| | | if (x != null) { |
| | | if (isNaN(this.x1) || isNaN(this.x2)) { |
| | | this.x1 = 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; |
| | |
| | | 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 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) { |
| | | 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; |
| | |
| | | } |
| | | continue; |
| | | } |
| | | |
| | | |
| | | var b2ac = Math.pow(b, 2) - 4 * c * a; |
| | | if (b2ac < 0) continue; |
| | | var t1 = (-b + Math.sqrt(b2ac)) / (2 * a); |
| | |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | 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) { |
| | | svg.Transform = function(v) { |
| | | var that = this; |
| | | this.Type = {} |
| | | |
| | | |
| | | // translate |
| | | this.Type.translate = function(s) { |
| | | this.p = svg.CreatePoint(s); |
| | | this.p = svg.CreatePoint(s); |
| | | this.apply = function(ctx) { |
| | | ctx.translate(this.p.x || 0.0, this.p.y || 0.0); |
| | | } |
| | |
| | | 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); |
| | |
| | | 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) { |
| | |
| | | } |
| | | 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) { |
| | |
| | | } |
| | | 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]; |
| | |
| | | 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'; |
| | | |
| | | 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; } |
| | | |
| | | if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; } |
| | | |
| | | refX = new svg.Property('refX', refX); |
| | | refY = new svg.Property('refY', refY); |
| | | if (refX.hasValue() && refY.hasValue()) { |
| | | 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$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight); |
| | | } |
| | | |
| | | else { |
| | | // align |
| | | if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0); |
| | | if (align.match(/YMid$/) && ((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); |
| | | |
| | | 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); |
| | | ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY); |
| | | } |
| | | |
| | | |
| | | // elements |
| | | svg.Element = {} |
| | | |
| | | svg.Element.ElementBase = function(node) { |
| | | |
| | | 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); |
| | |
| | | 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 |
| | |
| | | var filter = this.style('filter').Definition.getDefinition(); |
| | | if (filter != null) filter.apply(ctx, this); |
| | | } |
| | | else this.renderChildren(ctx); |
| | | 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); |
| | | 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(' '); |
| | |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | // add inline styles |
| | | if (this.attribute('style').hasValue()) { |
| | | var styles = this.attribute('style').value.split(';'); |
| | |
| | | this.styles[name] = new svg.Property(name, value); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | // add id |
| | | if (this.attribute('id').hasValue()) { |
| | |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | svg.Element.RenderedElementBase = function(node) { |
| | | this.base = svg.Element.ElementBase; |
| | | this.base(node); |
| | | |
| | | |
| | | this.setContext = function(ctx) { |
| | | // fill |
| | | if (this.style('fill').Definition.isUrl()) { |
| | |
| | | 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); |
| | |
| | | |
| | | // 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' : '', |
| | | 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()) { |
| | | 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-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; |
| | | |
| | | 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.closePath(); |
| | | ctx.clip(); |
| | | } |
| | | svg.ViewPort.SetCurrent(width, height); |
| | | |
| | | svg.ViewPort.SetCurrent(width, height); |
| | | |
| | | // viewbox |
| | | if (this.attribute('viewBox').hasValue()) { |
| | | 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(), |
| | | this.attribute('preserveAspectRatio').value, |
| | | svg.ViewPort.width(), |
| | | width, |
| | | svg.ViewPort.height(), |
| | | height, |
| | |
| | | minY, |
| | | this.attribute('refX').value, |
| | | this.attribute('refY').value); |
| | | |
| | | svg.ViewPort.RemoveCurrent(); |
| | | svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); |
| | | } |
| | | |
| | | svg.ViewPort.RemoveCurrent(); |
| | | svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); |
| | | } |
| | | } |
| | | } |
| | | svg.Element.svg.prototype = new svg.Element.RenderedElementBase; |
| | |
| | | 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 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.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.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; |
| | | 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 - 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; |
| | | |
| | | 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 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; |
| | | |
| | | 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); |
| | |
| | | } |
| | | return bb; |
| | | } |
| | | |
| | | |
| | | this.getMarkers = function() { |
| | | var markers = []; |
| | | for (var i=0; i<this.points.length - 1; i++) { |
| | |
| | | } |
| | | markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]); |
| | | return markers; |
| | | } |
| | | } |
| | | } |
| | | svg.Element.polyline.prototype = new svg.Element.PathElementBase; |
| | | |
| | | 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); |
| | |
| | | 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 = svg.trim(d); |
| | | this.PathParser = new (function(d) { |
| | | this.tokens = d.split(' '); |
| | | |
| | | |
| | | this.reset = function() { |
| | | this.i = -1; |
| | | this.command = ''; |
| | |
| | | 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; |
| | | 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); |
| | | 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; |
| | |
| | | } |
| | | 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.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++) { |
| | |
| | | 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]]); |
| | |
| | | } |
| | | } |
| | | 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['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')); |
| | | 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['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); |
| | |
| | | } |
| | | } |
| | | svg.Element.marker.prototype = new svg.Element.ElementBase; |
| | | |
| | | |
| | | // definitions element |
| | | svg.Element.defs = function(node) { |
| | | this.base = svg.Element.ElementBase; |
| | | this.base(node); |
| | | |
| | | 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 = []; |
| | | |
| | | 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); |
| | | tempSvg.render(tempCtx); |
| | | return tempCtx.createPattern(c, 'no-repeat'); |
| | | } |
| | | |
| | | return g; |
| | | |
| | | 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() |
| | | |
| | | var x1 = (this.gradientUnits == 'objectBoundingBox' |
| | | ? bb.x() + bb.width() * this.attribute('x1').numValue() |
| | | : this.attribute('x1').Length.toPixels('x')); |
| | | var y1 = (this.gradientUnits == 'objectBoundingBox' |
| | | var y1 = (this.gradientUnits == 'objectBoundingBox' |
| | | ? bb.y() + bb.height() * this.attribute('y1').numValue() |
| | | : this.attribute('y1').Length.toPixels('y')); |
| | | var x2 = (this.gradientUnits == 'objectBoundingBox' |
| | | var x2 = (this.gradientUnits == 'objectBoundingBox' |
| | | ? bb.x() + bb.width() * this.attribute('x2').numValue() |
| | | : this.attribute('x2').Length.toPixels('x')); |
| | | var y2 = (this.gradientUnits == 'objectBoundingBox' |
| | | var y2 = (this.gradientUnits == 'objectBoundingBox' |
| | | ? bb.y() + bb.height() * this.attribute('y2').numValue() |
| | | : this.attribute('y2').Length.toPixels('y')); |
| | | |
| | |
| | | } |
| | | } |
| | | 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() |
| | | |
| | | 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() |
| | | 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() |
| | | 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() |
| | | fy = (this.gradientUnits == 'objectBoundingBox' |
| | | ? bb.y() + bb.height() * this.attribute('fy').numValue() |
| | | : this.attribute('fy').Length.toPixels('y')); |
| | | } |
| | | |
| | | var r = (this.gradientUnits == 'objectBoundingBox' |
| | | |
| | | 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); |
| | | return this.parent.attribute(attributeName, true); |
| | | }; |
| | | |
| | | |
| | | this.initialValue = null; |
| | | this.removed = false; |
| | | this.removed = false; |
| | | |
| | | this.calcValue = function() { |
| | | // OVERRIDE ME! |
| | | return ''; |
| | | } |
| | | |
| | | this.update = function(delta) { |
| | | |
| | | 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 |
| | |
| | | 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(); |
| | | 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.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(); |
| | |
| | | }; |
| | | } |
| | | 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.horizAdvX = this.attribute('horiz-adv-x').numValue(); |
| | | |
| | | this.isRTL = false; |
| | | this.isArabic = false; |
| | | this.fontFace = null; |
| | | this.missingGlyph = null; |
| | | this.glyphs = []; |
| | | this.glyphs = []; |
| | | for (var i=0; i<this.children.length; i++) { |
| | | var child = this.children[i]; |
| | | if (child.type == 'font-face') { |
| | |
| | | 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.base(node); |
| | | |
| | | this.ascent = this.attribute('ascent').value; |
| | | this.descent = this.attribute('descent').value; |
| | | this.unitsPerEm = this.attribute('units-per-em').numValue(); |
| | | 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.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.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 = []; |
| | |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | 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'); |
| | | } |
| | |
| | | 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 |
| | |
| | | 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 = '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') { |
| | |
| | | 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 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); |
| | |
| | | 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); |
| | | |
| | | 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) { |
| | |
| | | } |
| | | 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; |
| | |
| | | } |
| | | } |
| | | svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase; |
| | | |
| | | // tspan |
| | | |
| | | // 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; |
| | |
| | | } |
| | | } |
| | | 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; |
| | | |
| | | 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) { |
| | |
| | | // 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)); |
| | | 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 |
| | |
| | | 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; |
| | | |
| | | 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'); |
| | | var height = this.attribute('height').Length.toPixels('y'); |
| | | if (width == 0 || height == 0) return; |
| | | |
| | | |
| | | ctx.save(); |
| | | ctx.translate(x, y); |
| | | svg.AspectRatio(ctx, |
| | |
| | | height, |
| | | this.img.height, |
| | | 0, |
| | | 0); |
| | | ctx.drawImage(this.img, 0, 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++) { |
| | |
| | | svg.Element.symbol = function(node) { |
| | | this.base = svg.Element.RenderedElementBase; |
| | | this.base(node); |
| | | |
| | | |
| | | this.baseSetContext = this.setContext; |
| | | this.setContext = function(ctx) { |
| | | this.setContext = function(ctx) { |
| | | this.baseSetContext(ctx); |
| | | |
| | | |
| | | // viewbox |
| | | if (this.attribute('viewBox').hasValue()) { |
| | | 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('preserveAspectRatio').value, |
| | | this.attribute('width').Length.toPixels('x'), |
| | | width, |
| | | this.attribute('height').Length.toPixels('y'), |
| | |
| | | minX, |
| | | minY); |
| | | |
| | | svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); |
| | | svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | svg.Element.symbol.prototype = new svg.Element.RenderedElementBase; |
| | | |
| | | svg.Element.symbol.prototype = new svg.Element.RenderedElementBase; |
| | | |
| | | // style element |
| | | svg.Element.style = function(node) { |
| | | 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 |
| | |
| | | } |
| | | } |
| | | svg.Element.style.prototype = new svg.Element.ElementBase; |
| | | |
| | | // use element |
| | | |
| | | // 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 |
| | | // 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; |
| | |
| | | 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; |
| | | 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.render = function(ctx) { |
| | | // NO RENDER |
| | | } |
| | |
| | | svg.Element.filter = function(node) { |
| | | this.base = svg.Element.ElementBase; |
| | | this.base(node); |
| | | |
| | | |
| | | this.apply = function(ctx, element) { |
| | | // render as temp svg |
| | | // render as temp svg |
| | | var bb = element.getBoundingBox(); |
| | | var x = this.attribute('x').Length.toPixels('x'); |
| | | var y = this.attribute('y').Length.toPixels('y'); |
| | |
| | | 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; |
| | | 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); |
| | | |
| | | 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; |
| | | 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++) { |
| | |
| | | } |
| | | 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++) { |
| | | 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) + |
| | | 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); |
| | |
| | | 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) { |
| | | } |
| | |
| | | // desc element, do nothing |
| | | svg.Element.desc = function(node) { |
| | | } |
| | | svg.Element.desc.prototype = new svg.Element.ElementBase; |
| | | |
| | | 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) { |
| | | svg.CreateElement = function(node) { |
| | | var className = node.nodeName.replace(/^[^:]+:/,''); // remove namespace |
| | | className = className.replace(/\-/g,''); // remove dashes |
| | | var e = null; |
| | |
| | | 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) { |
| | |
| | | if (window.scrollY) p.y += window.scrollY; |
| | | return p; |
| | | } |
| | | |
| | | |
| | | // bind mouse |
| | | if (svg.opts['ignoreMouse'] != true) { |
| | | ctx.canvas.onclick = function(e) { |
| | |
| | | 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()) { |
| | |
| | | } |
| | | var cWidth = ctx.canvas.clientWidth || ctx.canvas.width; |
| | | var cHeight = ctx.canvas.clientHeight || ctx.canvas.height; |
| | | svg.ViewPort.SetCurrent(cWidth, cHeight); |
| | | |
| | | 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('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); |
| | |
| | | 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() { |
| | | 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(); |
| | | 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, |
| | | 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]; |
| | |
| | | e.run(element); |
| | | element = element.parent; |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | // done running, clear |
| | | this.events = []; |
| | | 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, |
| | | canvg(this.canvas, s, { |
| | | ignoreMouse: true, |
| | | ignoreAnimation: true, |
| | | ignoreDimensions: true, |
| | | ignoreClear: true, |
| | | offsetX: dx, |
| | | offsetY: dy, |
| | | scaleWidth: dw, |
| | | scaleHeight: dh |
| | | }); |
| | | } |
| | | } |
| | | } |