diff --git a/editor/canvg/canvg.js b/editor/canvg/canvg.js index bc0d9e37..7b24a383 100644 --- a/editor/canvg/canvg.js +++ b/editor/canvg/canvg.js @@ -1,2093 +1,2620 @@ -/* - * 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) {}; -} - -// <3 IE -if(!Array.indexOf){ - Array.prototype.indexOf = function(obj){ - for(var i=0; i ignore mouse events - // ignoreAnimation: true => ignore animations - // 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) { - 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 (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; - - // globals - svg.init = function(ctx) { - svg.Definitions = {}; - svg.Styles = {}; - svg.Animations = []; - svg.Images = []; - svg.ctx = ctx; - svg.ViewPort = new (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]*>/, ''); - 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 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.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 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); - } - } - } - else if (pp.command.toUpperCase() == 'Z') { - if (ctx != null) ctx.closePath(); - } - } - - return bb; - } - - this.getMarkers = function() { - var points = this.PathParser.getMarkerPoints(); - var angles = this.PathParser.getMarkerAngles(); - - var markers = []; - for (var i=0; i this.maxDuration) { - // loop for indefinitely repeating animations - if (this.attribute('repeatCount').value == 'indefinite') { - this.duration = 0.0 - } - 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 - var attributeType = this.attribute('attributeType').value; - var attributeName = this.attribute('attributeName').value; - - if (this.parent != null) { - if (attributeType == 'CSS') { - this.parent.style(attributeName, true).value = newValue; - } - else { // default or XML - if (this.attribute('type').hasValue()) { - // for transform, etc. - var type = this.attribute('type').value; - this.parent.attribute(attributeName, true).value = type + '(' + newValue + ')'; - } - else { - this.parent.attribute(attributeName, true).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; - - // 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 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]*>/, ''); + 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 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.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 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 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; i0 && text[i-1]!=' ' && i0 && 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 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 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 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