http://git-wip-us.apache.org/repos/asf/stratos/blob/e014d0ab/components/org.apache.stratos.manager.console/console/themes/theme0/js/canvg/canvg.js ---------------------------------------------------------------------- diff --git a/components/org.apache.stratos.manager.console/console/themes/theme0/js/canvg/canvg.js b/components/org.apache.stratos.manager.console/console/themes/theme0/js/canvg/canvg.js new file mode 100644 index 0000000..00781ca --- /dev/null +++ b/components/org.apache.stratos.manager.console/console/themes/theme0/js/canvg/canvg.js @@ -0,0 +1,2957 @@ +/* + * canvg.js - Javascript SVG parser and renderer on Canvas + * MIT Licensed + * Gabe Lerner ([email protected]) + * http://code.google.com/p/canvg/ + * + * Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/ + */ +(function(){ + // canvg(target, s) + // empty parameters: replace all 'svg' elements on page with 'canvas' elements + // target: canvas element or the id of a canvas element + // s: svg string, url to svg file, or xml document + // opts: optional hash of options + // ignoreMouse: true => ignore mouse events + // ignoreAnimation: true => ignore animations + // ignoreDimensions: true => does not try to resize canvas + // ignoreClear: true => does not clear canvas + // offsetX: int => draws at a x offset + // offsetY: int => draws at a y offset + // scaleWidth: int => scales horizontally to width + // scaleHeight: int => scales vertically to height + // renderCallback: function => will call the function after the first render is completed + // forceRedraw: function => will call the function on every frame, if it returns true, will redraw + this.canvg = function (target, s, opts) { + // no parameters + if (target == null && s == null && opts == null) { + var svgTags = document.querySelectorAll('svg'); + for (var i=0; i<svgTags.length; i++) { + var svgTag = svgTags[i]; + var c = document.createElement('canvas'); + c.width = svgTag.clientWidth; + c.height = svgTag.clientHeight; + svgTag.parentNode.insertBefore(c, svgTag); + svgTag.parentNode.removeChild(svgTag); + var div = document.createElement('div'); + div.appendChild(svgTag); + canvg(c, div.innerHTML); + } + return; + } + + if (typeof target == 'string') { + target = document.getElementById(target); + } + + // store class on canvas + if (target.svg != null) target.svg.stop(); + var svg = build(opts || {}); + // on i.e. 8 for flash canvas, we can't assign the property so check for it + if (!(target.childNodes.length == 1 && target.childNodes[0].nodeName == 'OBJECT')) target.svg = svg; + + var ctx = target.getContext('2d'); + if (typeof(s.documentElement) != 'undefined') { + // load from xml doc + svg.loadXmlDoc(ctx, s); + } + else if (s.substr(0,1) == '<') { + // load from xml string + svg.loadXml(ctx, s); + } + else { + // load from url + svg.load(ctx, s); + } + } + + function build(opts) { + var svg = { opts: opts }; + + svg.FRAMERATE = 30; + svg.MAX_VIRTUAL_PIXELS = 30000; + + svg.log = function(msg) {}; + if (svg.opts['log'] == true && typeof(console) != 'undefined') { + svg.log = function(msg) { console.log(msg); }; + }; + + // globals + svg.init = function(ctx) { + var uniqueId = 0; + svg.UniqueId = function () { uniqueId++; return 'canvg' + uniqueId; }; + svg.Definitions = {}; + svg.Styles = {}; + svg.Animations = []; + svg.Images = []; + svg.ctx = ctx; + svg.ViewPort = new (function () { + this.viewPorts = []; + this.Clear = function() { this.viewPorts = []; } + this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); } + this.RemoveCurrent = function() { this.viewPorts.pop(); } + this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; } + this.width = function() { return this.Current().width; } + this.height = function() { return this.Current().height; } + this.ComputeSize = function(d) { + if (d != null && typeof(d) == 'number') return d; + if (d == 'x') return this.width(); + if (d == 'y') return this.height(); + return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2); + } + }); + } + svg.init(); + + // images loaded + svg.ImagesLoaded = function() { + for (var i=0; i<svg.Images.length; i++) { + if (!svg.Images[i].loaded) return false; + } + return true; + } + + // trim + svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); } + + // compress spaces + svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); } + + // ajax + svg.ajax = function(url) { + var AJAX; + if(window.XMLHttpRequest){AJAX=new XMLHttpRequest();} + else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');} + if(AJAX){ + AJAX.open('GET',url,false); + AJAX.send(null); + return AJAX.responseText; + } + return null; + } + + // parse xml + svg.parseXml = function(xml) { + if (typeof(Windows) != 'undefined' && typeof(Windows.Data) != 'undefined' && typeof(Windows.Data.Xml) != 'undefined') { + var xmlDoc = new Windows.Data.Xml.Dom.XmlDocument(); + var settings = new Windows.Data.Xml.Dom.XmlLoadSettings(); + settings.prohibitDtd = false; + xmlDoc.loadXml(xml, settings); + return xmlDoc; + } + else if (window.DOMParser) + { + var parser = new DOMParser(); + return parser.parseFromString(xml, 'text/xml'); + } + else + { + xml = xml.replace(/<!DOCTYPE svg[^>]*>/, ''); + var xmlDoc = new ActiveXObject('Microsoft.XMLDOM'); + xmlDoc.async = 'false'; + xmlDoc.loadXML(xml); + return xmlDoc; + } + } + + svg.Property = function(name, value) { + this.name = name; + this.value = value; + } + svg.Property.prototype.getValue = function() { + return this.value; + } + + svg.Property.prototype.hasValue = function() { + return (this.value != null && this.value !== ''); + } + + // return the numerical value of the property + svg.Property.prototype.numValue = function() { + if (!this.hasValue()) return 0; + + var n = parseFloat(this.value); + if ((this.value + '').match(/%$/)) { + n = n / 100.0; + } + return n; + } + + svg.Property.prototype.valueOrDefault = function(def) { + if (this.hasValue()) return this.value; + return def; + } + + svg.Property.prototype.numValueOrDefault = function(def) { + if (this.hasValue()) return this.numValue(); + return def; + } + + // color extensions + // augment the current color value with the opacity + svg.Property.prototype.addOpacity = function(opacityProp) { + var newValue = this.value; + if (opacityProp.value != null && opacityProp.value != '' && typeof(this.value)=='string') { // can only add opacity to colors, not patterns + var color = new RGBColor(this.value); + if (color.ok) { + newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')'; + } + } + return new svg.Property(this.name, newValue); + } + + // definition extensions + // get the definition from the definitions table + svg.Property.prototype.getDefinition = function() { + var name = this.value.match(/#([^\)'"]+)/); + if (name) { name = name[1]; } + if (!name) { name = this.value; } + return svg.Definitions[name]; + } + + svg.Property.prototype.isUrlDefinition = function() { + return this.value.indexOf('url(') == 0 + } + + svg.Property.prototype.getFillStyleDefinition = function(e, opacityProp) { + var def = this.getDefinition(); + + // gradient + if (def != null && def.createGradient) { + return def.createGradient(svg.ctx, e, opacityProp); + } + + // pattern + if (def != null && def.createPattern) { + if (def.getHrefAttribute().hasValue()) { + var pt = def.attribute('patternTransform'); + def = def.getHrefAttribute().getDefinition(); + if (pt.hasValue()) { def.attribute('patternTransform', true).value = pt.value; } + } + return def.createPattern(svg.ctx, e); + } + + return null; + } + + // length extensions + svg.Property.prototype.getDPI = function(viewPort) { + return 96.0; // TODO: compute? + } + + svg.Property.prototype.getEM = function(viewPort) { + var em = 12; + + var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize); + if (fontSize.hasValue()) em = fontSize.toPixels(viewPort); + + return em; + } + + svg.Property.prototype.getUnits = function() { + var s = this.value+''; + return s.replace(/[0-9\.\-]/g,''); + } + + // get the length as pixels + svg.Property.prototype.toPixels = function(viewPort, processPercent) { + if (!this.hasValue()) return 0; + var s = this.value+''; + if (s.match(/em$/)) return this.numValue() * this.getEM(viewPort); + if (s.match(/ex$/)) return this.numValue() * this.getEM(viewPort) / 2.0; + if (s.match(/px$/)) return this.numValue(); + if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1.0 / 72.0); + if (s.match(/pc$/)) return this.numValue() * 15; + if (s.match(/cm$/)) return this.numValue() * this.getDPI(viewPort) / 2.54; + if (s.match(/mm$/)) return this.numValue() * this.getDPI(viewPort) / 25.4; + if (s.match(/in$/)) return this.numValue() * this.getDPI(viewPort); + if (s.match(/%$/)) return this.numValue() * svg.ViewPort.ComputeSize(viewPort); + var n = this.numValue(); + if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort); + return n; + } + + // time extensions + // get the time as milliseconds + svg.Property.prototype.toMilliseconds = function() { + if (!this.hasValue()) return 0; + var s = this.value+''; + if (s.match(/s$/)) return this.numValue() * 1000; + if (s.match(/ms$/)) return this.numValue(); + return this.numValue(); + } + + // angle extensions + // get the angle as radians + svg.Property.prototype.toRadians = function() { + if (!this.hasValue()) return 0; + var s = this.value+''; + if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180.0); + if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200.0); + if (s.match(/rad$/)) return this.numValue(); + return this.numValue() * (Math.PI / 180.0); + } + + // text extensions + // get the text baseline + var textBaselineMapping = { + 'baseline': 'alphabetic', + 'before-edge': 'top', + 'text-before-edge': 'top', + 'middle': 'middle', + 'central': 'middle', + 'after-edge': 'bottom', + 'text-after-edge': 'bottom', + 'ideographic': 'ideographic', + 'alphabetic': 'alphabetic', + 'hanging': 'hanging', + 'mathematical': 'alphabetic' + }; + svg.Property.prototype.toTextBaseline = function () { + if (!this.hasValue()) return null; + return textBaselineMapping[this.value]; + } + + // fonts + svg.Font = new (function() { + this.Styles = 'normal|italic|oblique|inherit'; + this.Variants = 'normal|small-caps|inherit'; + this.Weights = 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit'; + + this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) { + var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font); + return { + fontFamily: fontFamily || f.fontFamily, + fontSize: fontSize || f.fontSize, + fontStyle: fontStyle || f.fontStyle, + fontWeight: fontWeight || f.fontWeight, + fontVariant: fontVariant || f.fontVariant, + toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') } + } + } + + var that = this; + this.Parse = function(s) { + var f = {}; + var d = svg.trim(svg.compressSpaces(s || '')).split(' '); + var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false } + var ff = ''; + for (var i=0; i<d.length; i++) { + if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; } + else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true; } + else if (!set.fontWeight && that.Weights.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontWeight = d[i]; set.fontStyle = set.fontVariant = set.fontWeight = true; } + else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; } + else { if (d[i] != 'inherit') ff += d[i]; } + } if (ff != '') f.fontFamily = ff; + return f; + } + }); + + // points and paths + svg.ToNumberArray = function(s) { + var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' '); + for (var i=0; i<a.length; i++) { + a[i] = parseFloat(a[i]); + } + return a; + } + svg.Point = function(x, y) { + this.x = x; + this.y = y; + } + svg.Point.prototype.angleTo = function(p) { + return Math.atan2(p.y - this.y, p.x - this.x); + } + + svg.Point.prototype.applyTransform = function(v) { + var xp = this.x * v[0] + this.y * v[2] + v[4]; + var yp = this.x * v[1] + this.y * v[3] + v[5]; + this.x = xp; + this.y = yp; + } + + svg.CreatePoint = function(s) { + var a = svg.ToNumberArray(s); + return new svg.Point(a[0], a[1]); + } + svg.CreatePath = function(s) { + var a = svg.ToNumberArray(s); + var path = []; + for (var i=0; i<a.length; i+=2) { + path.push(new svg.Point(a[i], a[i+1])); + } + return path; + } + + // bounding box + svg.BoundingBox = function(x1, y1, x2, y2) { // pass in initial points if you want + this.x1 = Number.NaN; + this.y1 = Number.NaN; + this.x2 = Number.NaN; + this.y2 = Number.NaN; + + this.x = function() { return this.x1; } + this.y = function() { return this.y1; } + this.width = function() { return this.x2 - this.x1; } + this.height = function() { return this.y2 - this.y1; } + + this.addPoint = function(x, y) { + if (x != null) { + if (isNaN(this.x1) || isNaN(this.x2)) { + this.x1 = x; + this.x2 = x; + } + if (x < this.x1) this.x1 = x; + if (x > this.x2) this.x2 = x; + } + + if (y != null) { + if (isNaN(this.y1) || isNaN(this.y2)) { + this.y1 = y; + this.y2 = y; + } + if (y < this.y1) this.y1 = y; + if (y > this.y2) this.y2 = y; + } + } + this.addX = function(x) { this.addPoint(x, null); } + this.addY = function(y) { this.addPoint(null, y); } + + this.addBoundingBox = function(bb) { + this.addPoint(bb.x1, bb.y1); + this.addPoint(bb.x2, bb.y2); + } + + this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) { + var cp1x = p0x + 2/3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0) + var cp1y = p0y + 2/3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0) + var cp2x = cp1x + 1/3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0) + var cp2y = cp1y + 1/3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0) + this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y); + } + + this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) { + // from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html + var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y]; + this.addPoint(p0[0], p0[1]); + this.addPoint(p3[0], p3[1]); + + for (i=0; i<=1; i++) { + var f = function(t) { + return Math.pow(1-t, 3) * p0[i] + + 3 * Math.pow(1-t, 2) * t * p1[i] + + 3 * (1-t) * Math.pow(t, 2) * p2[i] + + Math.pow(t, 3) * p3[i]; + } + + var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i]; + var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i]; + var c = 3 * p1[i] - 3 * p0[i]; + + if (a == 0) { + if (b == 0) continue; + var t = -c / b; + if (0 < t && t < 1) { + if (i == 0) this.addX(f(t)); + if (i == 1) this.addY(f(t)); + } + continue; + } + + var b2ac = Math.pow(b, 2) - 4 * c * a; + if (b2ac < 0) continue; + var t1 = (-b + Math.sqrt(b2ac)) / (2 * a); + if (0 < t1 && t1 < 1) { + if (i == 0) this.addX(f(t1)); + if (i == 1) this.addY(f(t1)); + } + var t2 = (-b - Math.sqrt(b2ac)) / (2 * a); + if (0 < t2 && t2 < 1) { + if (i == 0) this.addX(f(t2)); + if (i == 1) this.addY(f(t2)); + } + } + } + + this.isPointInBox = function(x, y) { + return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2); + } + + this.addPoint(x1, y1); + this.addPoint(x2, y2); + } + + // transforms + svg.Transform = function(v) { + var that = this; + this.Type = {} + + // translate + this.Type.translate = function(s) { + this.p = svg.CreatePoint(s); + this.apply = function(ctx) { + ctx.translate(this.p.x || 0.0, this.p.y || 0.0); + } + this.unapply = function(ctx) { + ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * 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.toRadians()); + ctx.translate(-this.cx, -this.cy); + } + this.unapply = function(ctx) { + ctx.translate(this.cx, this.cy); + ctx.rotate(-1.0 * this.angle.toRadians()); + ctx.translate(-this.cx, -this.cy); + } + this.applyToPoint = function(p) { + var a = this.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.unapply = function(ctx) { + ctx.scale(1.0 / this.p.x || 1.0, 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.unapply = function(ctx) { + var a = this.m[0]; + var b = this.m[2]; + var c = this.m[4]; + var d = this.m[1]; + var e = this.m[3]; + var f = this.m[5]; + var g = 0.0; + var h = 0.0; + var i = 1.0; + var det = 1 / (a*(e*i-f*h)-b*(d*i-f*g)+c*(d*h-e*g)); + ctx.transform( + det*(e*i-f*h), + det*(f*g-d*i), + det*(c*h-b*i), + det*(a*i-c*g), + det*(b*f-c*e), + det*(c*d-a*f) + ); + } + 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.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.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.unapply = function(ctx) { + for (var i=this.transforms.length-1; i>=0; i--) { + this.transforms[i].unapply(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)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g,') ').split(/\s(?=[a-z])/); + for (var i=0; i<data.length; i++) { + var type = svg.trim(data[i].split('(')[0]); + var s = data[i].split('(')[1].replace(')',''); + var transform = new this.Type[type](s); + transform.type = type; + this.transforms.push(transform); + } + } + + // aspect ratio + svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) { + // aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute + aspectRatio = svg.compressSpaces(aspectRatio); + aspectRatio = aspectRatio.replace(/^defer\s/,''); // ignore defer + var align = aspectRatio.split(' ')[0] || 'xMidYMid'; + var meetOrSlice = aspectRatio.split(' ')[1] || 'meet'; + + // calculate scale + var scaleX = width / desiredWidth; + var scaleY = height / desiredHeight; + var scaleMin = Math.min(scaleX, scaleY); + var scaleMax = Math.max(scaleX, scaleY); + if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; } + if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; } + + refX = new svg.Property('refX', refX); + refY = new svg.Property('refY', refY); + if (refX.hasValue() && refY.hasValue()) { + ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y')); + } + else { + // align + if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0); + if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0); + if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0); + if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight); + } + + // scale + if (align == 'none') ctx.scale(scaleX, scaleY); + else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin); + else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax); + + // translate + ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY); + } + + // elements + svg.Element = {} + + svg.EmptyProperty = new svg.Property('EMPTY', ''); + + 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; + + if (createIfNotExists == true) { a = new svg.Property(name, ''); this.attributes[name] = a; } + return a || svg.EmptyProperty; + } + + this.getHrefAttribute = function() { + for (var a in this.attributes) { + if (a.match(/:href$/)) { + return this.attributes[a]; + } + } + return svg.EmptyProperty; + } + + // get or create style, crawls up node tree + this.style = function(name, createIfNotExists, skipAncestors) { + var s = this.styles[name]; + if (s != null) return s; + + var a = this.attribute(name); + if (a != null && a.hasValue()) { + this.styles[name] = a; // move up to me to cache + return a; + } + + if (skipAncestors != true) { + var p = this.parent; + if (p != null) { + var ps = p.style(name); + if (ps != null && ps.hasValue()) { + return ps; + } + } + } + + if (createIfNotExists == true) { s = new svg.Property(name, ''); this.styles[name] = s; } + return s || svg.EmptyProperty; + } + + // 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.style('visibility').value == 'hidden') return; + + ctx.save(); + if (this.attribute('mask').hasValue()) { // mask + var mask = this.attribute('mask').getDefinition(); + if (mask != null) mask.apply(ctx, this); + } + else if (this.style('filter').hasValue()) { // filter + var filter = this.style('filter').getDefinition(); + if (filter != null) filter.apply(ctx, this); + } + else { + this.setContext(ctx); + 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; + if (child.type != 'title') { this.children.push(child); } + } + + if (node != null && node.nodeType == 1) { //ELEMENT_NODE + // add attributes + for (var i=0; i<node.attributes.length; i++) { + var attribute = node.attributes[i]; + this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.nodeValue); + } + + // add tag styles + var styles = svg.Styles[node.nodeName]; + if (styles != null) { + for (var name in styles) { + this.styles[name] = styles[name]; + } + } + + // add class styles + if (this.attribute('class').hasValue()) { + var classes = svg.compressSpaces(this.attribute('class').value).split(' '); + for (var j=0; j<classes.length; j++) { + styles = svg.Styles['.'+classes[j]]; + if (styles != null) { + for (var name in styles) { + this.styles[name] = styles[name]; + } + } + styles = svg.Styles[node.nodeName+'.'+classes[j]]; + if (styles != null) { + for (var name in styles) { + this.styles[name] = styles[name]; + } + } + } + } + + // add id styles + if (this.attribute('id').hasValue()) { + var styles = svg.Styles['#' + this.attribute('id').value]; + if (styles != null) { + for (var name in styles) { + this.styles[name] = styles[name]; + } + } + } + + // add inline styles + if (this.attribute('style').hasValue()) { + var styles = this.attribute('style').value.split(';'); + for (var i=0; i<styles.length; i++) { + if (svg.trim(styles[i]) != '') { + var style = styles[i].split(':'); + var name = svg.trim(style[0]); + var value = svg.trim(style[1]); + this.styles[name] = new svg.Property(name, value); + } + } + } + + // add id + if (this.attribute('id').hasValue()) { + if (svg.Definitions[this.attribute('id').value] == null) { + svg.Definitions[this.attribute('id').value] = this; + } + } + + // 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 + if (this.captureTextNodes && (childNode.nodeType == 3 || childNode.nodeType == 4)) { + var text = childNode.nodeValue || childNode.text || ''; + if (svg.trim(svg.compressSpaces(text)) != '') { + this.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE + } + } + } + } + } + + svg.Element.RenderedElementBase = function(node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.setContext = function(ctx) { + // fill + if (this.style('fill').isUrlDefinition()) { + var fs = this.style('fill').getFillStyleDefinition(this, this.style('fill-opacity')); + if (fs != null) ctx.fillStyle = fs; + } + else if (this.style('fill').hasValue()) { + var fillStyle = this.style('fill'); + if (fillStyle.value == 'currentColor') fillStyle.value = this.style('color').value; + if (fillStyle.value != 'inherit') ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value); + } + if (this.style('fill-opacity').hasValue()) { + var fillStyle = new svg.Property('fill', ctx.fillStyle); + fillStyle = fillStyle.addOpacity(this.style('fill-opacity')); + ctx.fillStyle = fillStyle.value; + } + + // stroke + if (this.style('stroke').isUrlDefinition()) { + var fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity')); + if (fs != null) ctx.strokeStyle = fs; + } + else if (this.style('stroke').hasValue()) { + var strokeStyle = this.style('stroke'); + if (strokeStyle.value == 'currentColor') strokeStyle.value = this.style('color').value; + if (strokeStyle.value != 'inherit') ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value); + } + if (this.style('stroke-opacity').hasValue()) { + var strokeStyle = new svg.Property('stroke', ctx.strokeStyle); + strokeStyle = strokeStyle.addOpacity(this.style('stroke-opacity')); + ctx.strokeStyle = strokeStyle.value; + } + if (this.style('stroke-width').hasValue()) { + var newLineWidth = this.style('stroke-width').toPixels(); + ctx.lineWidth = newLineWidth == 0 ? 0.001 : newLineWidth; // browsers don't respect 0 + } + if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value; + if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value; + if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value; + if (this.style('stroke-dasharray').hasValue() && this.style('stroke-dasharray').value != 'none') { + var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value); + if (typeof(ctx.setLineDash) != 'undefined') { ctx.setLineDash(gaps); } + else if (typeof(ctx.webkitLineDash) != 'undefined') { ctx.webkitLineDash = gaps; } + else if (typeof(ctx.mozDash) != 'undefined' && !(gaps.length==1 && gaps[0]==0)) { ctx.mozDash = gaps; } + + var offset = this.style('stroke-dashoffset').numValueOrDefault(1); + if (typeof(ctx.lineDashOffset) != 'undefined') { ctx.lineDashOffset = offset; } + else if (typeof(ctx.webkitLineDashOffset) != 'undefined') { ctx.webkitLineDashOffset = offset; } + else if (typeof(ctx.mozDashOffset) != 'undefined') { ctx.mozDashOffset = offset; } + } + + // 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').toPixels() + 'px' : '', + this.style('font-family').value).toString(); + } + + // transform + if (this.attribute('transform').hasValue()) { + var transform = new svg.Transform(this.attribute('transform').value); + transform.apply(ctx); + } + + // clip + if (this.style('clip-path', false, true).hasValue()) { + var clip = this.style('clip-path', false, true).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 != '') { + if (this.style('fill-rule').valueOrDefault('inherit') != 'inherit') { ctx.fill(this.style('fill-rule').value); } + else { ctx.fill(); } + } + if (ctx.strokeStyle != '') ctx.stroke(); + + var markers = this.getMarkers(); + if (markers != null) { + if (this.style('marker-start').isUrlDefinition()) { + var marker = this.style('marker-start').getDefinition(); + marker.render(ctx, markers[0][0], markers[0][1]); + } + if (this.style('marker-mid').isUrlDefinition()) { + var marker = this.style('marker-mid').getDefinition(); + for (var i=1;i<markers.length-1;i++) { + marker.render(ctx, markers[i][0], markers[i][1]); + } + } + if (this.style('marker-end').isUrlDefinition()) { + var marker = this.style('marker-end').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 and defaults + ctx.strokeStyle = 'rgba(0,0,0,0)'; + ctx.lineCap = 'butt'; + ctx.lineJoin = 'miter'; + ctx.miterLimit = 4; + if (typeof(ctx.font) != 'undefined' && typeof(window.getComputedStyle) != 'undefined') { + ctx.font = window.getComputedStyle(ctx.canvas).getPropertyValue('font'); + } + + this.baseSetContext(ctx); + + // create new view port + if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0; + if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0; + ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y')); + + var width = svg.ViewPort.width(); + var height = svg.ViewPort.height(); + + if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%'; + if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%'; + if (typeof(this.root) == 'undefined') { + width = this.attribute('width').toPixels('x'); + height = this.attribute('height').toPixels('y'); + + var x = 0; + var y = 0; + if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) { + x = -this.attribute('refX').toPixels('x'); + y = -this.attribute('refY').toPixels('y'); + } + + if (this.attribute('overflow').valueOrDefault('hidden') != 'visible') { + ctx.beginPath(); + ctx.moveTo(x, y); + ctx.lineTo(width, y); + ctx.lineTo(width, height); + ctx.lineTo(x, height); + ctx.closePath(); + ctx.clip(); + } + } + svg.ViewPort.SetCurrent(width, height); + + // viewbox + if (this.attribute('viewBox').hasValue()) { + var viewBox = svg.ToNumberArray(this.attribute('viewBox').value); + var minX = viewBox[0]; + var minY = viewBox[1]; + width = viewBox[2]; + height = viewBox[3]; + + svg.AspectRatio(ctx, + this.attribute('preserveAspectRatio').value, + svg.ViewPort.width(), + width, + svg.ViewPort.height(), + height, + minX, + minY, + this.attribute('refX').value, + this.attribute('refY').value); + + svg.ViewPort.RemoveCurrent(); + svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]); + } + } + } + svg.Element.svg.prototype = new svg.Element.RenderedElementBase; + + // rect element + svg.Element.rect = function(node) { + this.base = svg.Element.PathElementBase; + this.base(node); + + this.path = function(ctx) { + var x = this.attribute('x').toPixels('x'); + var y = this.attribute('y').toPixels('y'); + var width = this.attribute('width').toPixels('x'); + var height = this.attribute('height').toPixels('y'); + var rx = this.attribute('rx').toPixels('x'); + var ry = this.attribute('ry').toPixels('y'); + if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx; + if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry; + rx = Math.min(rx, width / 2.0); + ry = Math.min(ry, height / 2.0); + if (ctx != null) { + ctx.beginPath(); + ctx.moveTo(x + rx, y); + ctx.lineTo(x + width - rx, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + ry) + ctx.lineTo(x + width, y + height - ry); + ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height) + ctx.lineTo(x + rx, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - ry) + ctx.lineTo(x, y + ry); + ctx.quadraticCurveTo(x, y, x + rx, y) + ctx.closePath(); + } + + return new svg.BoundingBox(x, y, x + width, y + height); + } + } + svg.Element.rect.prototype = new svg.Element.PathElementBase; + + // circle element + svg.Element.circle = function(node) { + this.base = svg.Element.PathElementBase; + this.base(node); + + this.path = function(ctx) { + var cx = this.attribute('cx').toPixels('x'); + var cy = this.attribute('cy').toPixels('y'); + var r = this.attribute('r').toPixels(); + + if (ctx != null) { + ctx.beginPath(); + ctx.arc(cx, cy, r, 0, Math.PI * 2, true); + ctx.closePath(); + } + + return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r); + } + } + svg.Element.circle.prototype = new svg.Element.PathElementBase; + + // ellipse element + svg.Element.ellipse = function(node) { + this.base = svg.Element.PathElementBase; + this.base(node); + + this.path = function(ctx) { + var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3); + var rx = this.attribute('rx').toPixels('x'); + var ry = this.attribute('ry').toPixels('y'); + var cx = this.attribute('cx').toPixels('x'); + var cy = this.attribute('cy').toPixels('y'); + + if (ctx != null) { + ctx.beginPath(); + ctx.moveTo(cx, cy - ry); + ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry, cx + rx, cy - (KAPPA * ry), cx + rx, cy); + ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry); + ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy); + ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry); + ctx.closePath(); + } + + return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry); + } + } + svg.Element.ellipse.prototype = new svg.Element.PathElementBase; + + // line element + svg.Element.line = function(node) { + this.base = svg.Element.PathElementBase; + this.base(node); + + this.getPoints = function() { + return [ + new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')), + new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))]; + } + + this.path = function(ctx) { + var points = this.getPoints(); + + if (ctx != null) { + ctx.beginPath(); + ctx.moveTo(points[0].x, points[0].y); + ctx.lineTo(points[1].x, points[1].y); + } + + return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y); + } + + this.getMarkers = function() { + var points = this.getPoints(); + var a = points[0].angleTo(points[1]); + return [[points[0], a], [points[1], a]]; + } + } + svg.Element.line.prototype = new svg.Element.PathElementBase; + + // polyline element + svg.Element.polyline = function(node) { + this.base = svg.Element.PathElementBase; + this.base(node); + + this.points = svg.CreatePath(this.attribute('points').value); + this.path = function(ctx) { + var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y); + if (ctx != null) { + ctx.beginPath(); + ctx.moveTo(this.points[0].x, this.points[0].y); + } + for (var i=1; i<this.points.length; i++) { + bb.addPoint(this.points[i].x, this.points[i].y); + if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y); + } + return bb; + } + + this.getMarkers = function() { + var markers = []; + for (var i=0; i<this.points.length - 1; i++) { + markers.push([this.points[i], this.points[i].angleTo(this.points[i+1])]); + } + markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]); + return markers; + } + } + svg.Element.polyline.prototype = new svg.Element.PathElementBase; + + // polygon element + svg.Element.polygon = function(node) { + this.base = svg.Element.polyline; + this.base(node); + + this.basePath = this.path; + this.path = function(ctx) { + var bb = this.basePath(ctx); + if (ctx != null) { + ctx.lineTo(this.points[0].x, this.points[0].y); + ctx.closePath(); + } + return bb; + } + } + svg.Element.polygon.prototype = new svg.Element.polyline; + + // path element + svg.Element.path = function(node) { + this.base = svg.Element.PathElementBase; + this.base(node); + + var d = this.attribute('d').value; + // TODO: convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF + d = d.replace(/,/gm,' '); // get rid of all commas + d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands + d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands + d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // separate commands from points + d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from points + d = d.replace(/([0-9])([+\-])/gm,'$1 $2'); // separate digits when no comma + d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2'); // separate digits when no comma + d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm,'$1 $3 $4 '); // shorthand elliptical arc path syntax + d = svg.compressSpaces(d); // compress multiple spaces + d = svg.trim(d); + this.PathParser = new (function(d) { + this.tokens = d.split(' '); + + this.reset = function() { + this.i = -1; + this.command = ''; + this.previousCommand = ''; + this.start = new svg.Point(0, 0); + this.control = new svg.Point(0, 0); + this.current = new svg.Point(0, 0); + this.points = []; + this.angles = []; + } + + this.isEnd = function() { + return this.i >= this.tokens.length - 1; + } + + this.isCommandOrEnd = function() { + if (this.isEnd()) return true; + return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null; + } + + this.isRelativeCommand = function() { + switch(this.command) + { + case 'm': + case 'l': + case 'h': + case 'v': + case 'c': + case 's': + case 'q': + case 't': + case 'a': + case 'z': + return true; + break; + } + return false; + } + + this.getToken = function() { + this.i++; + 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' && + this.previousCommand.toLowerCase() != 'q' && + this.previousCommand.toLowerCase() != 't' ){ + 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.y += this.current.y; + } + return p; + } + + this.addMarker = function(p, from, priorTo) { + // if the last angle isn't filled in because we didn't have this point yet ... + if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) { + this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo); + } + this.addMarkerAngle(p, from == null ? null : from.angleTo(p)); + } + + this.addMarkerAngle = function(p, a) { + this.points.push(p); + this.angles.push(a); + } + + this.getMarkerPoints = function() { return this.points; } + this.getMarkerAngles = function() { + for (var i=0; i<this.angles.length; i++) { + if (this.angles[i] == null) { + for (var j=i+1; j<this.angles.length; j++) { + if (this.angles[j] != null) { + this.angles[i] = this.angles[j]; + break; + } + } + } + } + return this.angles; + } + })(d); + + this.path = function(ctx) { + var pp = this.PathParser; + pp.reset(); + + var bb = new svg.BoundingBox(); + if (ctx != null) ctx.beginPath(); + while (!pp.isEnd()) { + pp.nextCommand(); + switch (pp.command) { + case 'M': + case 'm': + var p = pp.getAsCurrentPoint(); + pp.addMarker(p); + bb.addPoint(p.x, p.y); + if (ctx != null) ctx.moveTo(p.x, p.y); + pp.start = pp.current; + while (!pp.isCommandOrEnd()) { + var p = pp.getAsCurrentPoint(); + pp.addMarker(p, pp.start); + bb.addPoint(p.x, p.y); + if (ctx != null) ctx.lineTo(p.x, p.y); + } + break; + case 'L': + case 'l': + while (!pp.isCommandOrEnd()) { + var c = pp.current; + var p = pp.getAsCurrentPoint(); + pp.addMarker(p, c); + bb.addPoint(p.x, p.y); + if (ctx != null) ctx.lineTo(p.x, p.y); + } + break; + case 'H': + case 'h': + while (!pp.isCommandOrEnd()) { + var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y); + pp.addMarker(newP, pp.current); + pp.current = newP; + bb.addPoint(pp.current.x, pp.current.y); + if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y); + } + break; + case 'V': + case 'v': + while (!pp.isCommandOrEnd()) { + var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar()); + pp.addMarker(newP, pp.current); + pp.current = newP; + bb.addPoint(pp.current.x, pp.current.y); + if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y); + } + break; + case 'C': + case 'c': + while (!pp.isCommandOrEnd()) { + var curr = pp.current; + var p1 = pp.getPoint(); + var cntrl = pp.getAsControlPoint(); + var cp = pp.getAsCurrentPoint(); + pp.addMarker(cp, cntrl, p1); + bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); + if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); + } + break; + case 'S': + case 's': + while (!pp.isCommandOrEnd()) { + var curr = pp.current; + var p1 = pp.getReflectedControlPoint(); + var cntrl = pp.getAsControlPoint(); + var cp = pp.getAsCurrentPoint(); + pp.addMarker(cp, cntrl, p1); + bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); + if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y); + } + break; + case 'Q': + case 'q': + while (!pp.isCommandOrEnd()) { + var curr = pp.current; + var cntrl = pp.getAsControlPoint(); + var cp = pp.getAsCurrentPoint(); + pp.addMarker(cp, cntrl, cntrl); + bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y); + if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y); + } + break; + case 'T': + case 't': + while (!pp.isCommandOrEnd()) { + var curr = pp.current; + var cntrl = pp.getReflectedControlPoint(); + pp.control = cntrl; + var cp = pp.getAsCurrentPoint(); + pp.addMarker(cp, cntrl, cntrl); + bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y); + if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y); + } + break; + case 'A': + case 'a': + while (!pp.isCommandOrEnd()) { + var curr = pp.current; + var rx = pp.getScalar(); + var ry = pp.getScalar(); + var xAxisRotation = pp.getScalar() * (Math.PI / 180.0); + var largeArcFlag = pp.getScalar(); + var sweepFlag = pp.getScalar(); + var cp = pp.getAsCurrentPoint(); + + // Conversion from endpoint to center parameterization + // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes + // x1', y1' + var currp = new svg.Point( + Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, + -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0 + ); + // adjust radii + var l = Math.pow(currp.x,2)/Math.pow(rx,2)+Math.pow(currp.y,2)/Math.pow(ry,2); + if (l > 1) { + rx *= Math.sqrt(l); + ry *= Math.sqrt(l); + } + // cx', cy' + var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt( + ((Math.pow(rx,2)*Math.pow(ry,2))-(Math.pow(rx,2)*Math.pow(currp.y,2))-(Math.pow(ry,2)*Math.pow(currp.x,2))) / + (Math.pow(rx,2)*Math.pow(currp.y,2)+Math.pow(ry,2)*Math.pow(currp.x,2)) + ); + if (isNaN(s)) s = 0; + var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx); + // cx, cy + var centp = new svg.Point( + (curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, + (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y + ); + // vector magnitude + var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); } + // ratio between two vectors + var r = function(u, v) { return (u[0]*v[0]+u[1]*v[1]) / (m(u)*m(v)) } + // angle between two vectors + var a = function(u, v) { return (u[0]*v[1] < u[1]*v[0] ? -1 : 1) * Math.acos(r(u,v)); } + // initial angle + var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]); + // angle delta + var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]; + var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry]; + var ad = a(u, v); + if (r(u,v) <= -1) ad = Math.PI; + if (r(u,v) >= 1) ad = 0; + + // for markers + var dir = 1 - sweepFlag ? 1.0 : -1.0; + var ah = a1 + dir * (ad / 2.0); + var halfWay = new svg.Point( + centp.x + rx * Math.cos(ah), + centp.y + ry * Math.sin(ah) + ); + pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2); + pp.addMarkerAngle(cp, ah - dir * Math.PI); + + 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': + case 'z': + if (ctx != null) ctx.closePath(); + pp.current = pp.start; + } + } + + return bb; + } + + this.getMarkers = function() { + var points = this.PathParser.getMarkerPoints(); + var angles = this.PathParser.getMarkerAngles(); + + var markers = []; + for (var i=0; i<points.length; i++) { + markers.push([points[i], angles[i]]); + } + return markers; + } + } + svg.Element.path.prototype = new svg.Element.PathElementBase; + + // pattern element + svg.Element.pattern = function(node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.createPattern = function(ctx, element) { + var width = this.attribute('width').toPixels('x', true); + var height = this.attribute('height').toPixels('y', true); + + // 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['width'] = new svg.Property('width', width + 'px'); + tempSvg.attributes['height'] = new svg.Property('height', height + 'px'); + tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value); + tempSvg.children = this.children; + + var c = document.createElement('canvas'); + c.width = width; + c.height = height; + var cctx = c.getContext('2d'); + if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) { + cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true)); + } + // render 3x3 grid so when we transform there's no white space on edges + for (var x=-1; x<=1; x++) { + for (var y=-1; y<=1; y++) { + cctx.save(); + cctx.translate(x * c.width, y * c.height); + tempSvg.render(cctx); + cctx.restore(); + } + } + var pattern = ctx.createPattern(c, 'repeat'); + return pattern; + } + } + svg.Element.pattern.prototype = new svg.Element.ElementBase; + + // marker element + svg.Element.marker = function(node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.baseRender = this.render; + this.render = function(ctx, point, angle) { + ctx.translate(point.x, point.y); + if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle); + if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth); + ctx.save(); + + // render me using a temporary svg element + var tempSvg = new svg.Element.svg(); + tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value); + tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value); + tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value); + tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value); + tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value); + tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black')); + tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none')); + tempSvg.children = this.children; + tempSvg.render(ctx); + + ctx.restore(); + if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1/ctx.lineWidth, 1/ctx.lineWidth); + if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle); + ctx.translate(-point.x, -point.y); + } + } + svg.Element.marker.prototype = new svg.Element.ElementBase; + + // definitions element + svg.Element.defs = function(node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.render = function(ctx) { + // NOOP + } + } + svg.Element.defs.prototype = new svg.Element.ElementBase; + + // base for gradients + svg.Element.GradientBase = function(node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.gradientUnits = this.attribute('gradientUnits').valueOrDefault('objectBoundingBox'); + + this.stops = []; + for (var i=0; i<this.children.length; i++) { + var child = this.children[i]; + if (child.type == 'stop') this.stops.push(child); + } + + this.getGradient = function() { + // OVERRIDE ME! + } + + this.createGradient = function(ctx, element, parentOpacityProp) { + var stopsContainer = this; + if (this.getHrefAttribute().hasValue()) { + stopsContainer = this.getHrefAttribute().getDefinition(); + } + + var addParentOpacity = function (color) { + if (parentOpacityProp.hasValue()) { + var p = new svg.Property('color', color); + return p.addOpacity(parentOpacityProp).value; + } + return color; + }; + + var g = this.getGradient(ctx, element); + if (g == null) return addParentOpacity(stopsContainer.stops[stopsContainer.stops.length - 1].color); + for (var i=0; i<stopsContainer.stops.length; i++) { + g.addColorStop(stopsContainer.stops[i].offset, addParentOpacity(stopsContainer.stops[i].color)); + } + + if (this.attribute('gradientTransform').hasValue()) { + // render as transformed pattern on temporary canvas + var rootView = svg.ViewPort.viewPorts[0]; + + var rect = new svg.Element.rect(); + rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0); + rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0); + rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS); + rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS); + + var group = new svg.Element.g(); + group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value); + group.children = [ rect ]; + + var tempSvg = new svg.Element.svg(); + tempSvg.attributes['x'] = new svg.Property('x', 0); + tempSvg.attributes['y'] = new svg.Property('y', 0); + tempSvg.attributes['width'] = new svg.Property('width', rootView.width); + tempSvg.attributes['height'] = new svg.Property('height', rootView.height); + tempSvg.children = [ group ]; + + var c = document.createElement('canvas'); + c.width = rootView.width; + c.height = rootView.height; + var tempCtx = c.getContext('2d'); + tempCtx.fillStyle = g; + tempSvg.render(tempCtx); + return tempCtx.createPattern(c, 'no-repeat'); + } + + return g; + } + } + svg.Element.GradientBase.prototype = new svg.Element.ElementBase; + + // linear gradient element + svg.Element.linearGradient = function(node) { + this.base = svg.Element.GradientBase; + this.base(node); + + this.getGradient = function(ctx, element) { + var bb = this.gradientUnits == 'objectBoundingBox' ? element.getBoundingBox() : null; + + if (!this.attribute('x1').hasValue() + && !this.attribute('y1').hasValue() + && !this.attribute('x2').hasValue() + && !this.attribute('y2').hasValue()) { + this.attribute('x1', true).value = 0; + this.attribute('y1', true).value = 0; + this.attribute('x2', true).value = 1; + this.attribute('y2', true).value = 0; + } + + var x1 = (this.gradientUnits == 'objectBoundingBox' + ? bb.x() + bb.width() * this.attribute('x1').numValue() + : this.attribute('x1').toPixels('x')); + var y1 = (this.gradientUnits == 'objectBoundingBox' + ? bb.y() + bb.height() * this.attribute('y1').numValue() + : this.attribute('y1').toPixels('y')); + var x2 = (this.gradientUnits == 'objectBoundingBox' + ? bb.x() + bb.width() * this.attribute('x2').numValue() + : this.attribute('x2').toPixels('x')); + var y2 = (this.gradientUnits == 'objectBoundingBox' + ? bb.y() + bb.height() * this.attribute('y2').numValue() + : this.attribute('y2').toPixels('y')); + + if (x1 == x2 && y1 == y2) return null; + return ctx.createLinearGradient(x1, y1, x2, y2); + } + } + svg.Element.linearGradient.prototype = new svg.Element.GradientBase; + + // radial gradient element + svg.Element.radialGradient = function(node) { + this.base = svg.Element.GradientBase; + this.base(node); + + this.getGradient = function(ctx, element) { + var bb = element.getBoundingBox(); + + if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%'; + if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%'; + if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%'; + + var cx = (this.gradientUnits == 'objectBoundingBox' + ? bb.x() + bb.width() * this.attribute('cx').numValue() + : this.attribute('cx').toPixels('x')); + var cy = (this.gradientUnits == 'objectBoundingBox' + ? bb.y() + bb.height() * this.attribute('cy').numValue() + : this.attribute('cy').toPixels('y')); + + var fx = cx; + var fy = cy; + if (this.attribute('fx').hasValue()) { + fx = (this.gradientUnits == 'objectBoundingBox' + ? bb.x() + bb.width() * this.attribute('fx').numValue() + : this.attribute('fx').toPixels('x')); + } + if (this.attribute('fy').hasValue()) { + fy = (this.gradientUnits == 'objectBoundingBox' + ? bb.y() + bb.height() * this.attribute('fy').numValue() + : this.attribute('fy').toPixels('y')); + } + + var r = (this.gradientUnits == 'objectBoundingBox' + ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue() + : this.attribute('r').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(); + if (this.offset < 0) this.offset = 0; + if (this.offset > 1) this.offset = 1; + + var stopColor = this.style('stop-color'); + if (this.style('stop-opacity').hasValue()) stopColor = stopColor.addOpacity(this.style('stop-opacity')); + 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').toMilliseconds(); + this.maxDuration = this.begin + this.attribute('dur').toMilliseconds(); + + this.getProperty = function() { + var attributeType = this.attribute('attributeType').value; + var attributeName = this.attribute('attributeName').value; + + if (attributeType == 'CSS') { + return this.parent.style(attributeName, true); + } + return this.parent.attribute(attributeName, true); + }; + + this.initialValue = null; + this.initialUnits = ''; + this.removed = false; + + this.calcValue = function() { + // OVERRIDE ME! + return ''; + } + + this.update = function(delta) { + // set initial value + if (this.initialValue == null) { + this.initialValue = this.getProperty().value; + this.initialUnits = this.getProperty().getUnits(); + } + + // if we're past the end time + if (this.duration > this.maxDuration) { + // loop for indefinitely repeating animations + if (this.attribute('repeatCount').value == 'indefinite' + || this.attribute('repeatDur').value == 'indefinite') { + this.duration = 0.0 + } + else if (this.attribute('fill').valueOrDefault('remove') == 'freeze' && !this.frozen) { + this.frozen = true; + this.parent.animationFrozen = true; + this.parent.animationFrozenValue = this.getProperty().value; + } + else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) { + this.removed = true; + this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue; + return true; + } + return false; + } + 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; + } + + this.from = this.attribute('from'); + this.to = this.attribute('to'); + this.values = this.attribute('values'); + if (this.values.hasValue()) this.values.value = this.values.value.split(';'); + + // fraction of duration we've covered + this.progress = function() { + var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) }; + if (this.values.hasValue()) { + var p = ret.progress * (this.values.value.length - 1); + var lb = Math.floor(p), ub = Math.ceil(p); + ret.from = new svg.Property('from', parseFloat(this.values.value[lb])); + ret.to = new svg.Property('to', parseFloat(this.values.value[ub])); + ret.progress = (p - lb) / (ub - lb); + } + else { + ret.from = this.from; + ret.to = this.to; + } + return ret; + } + } + 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 p = this.progress(); + + // tween value linearly + var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress; + return newValue + this.initialUnits; + }; + } + 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 p = this.progress(); + var from = new RGBColor(p.from.value); + var to = new RGBColor(p.to.value); + + if (from.ok && to.ok) { + // tween color linearly + var r = from.r + (to.r - from.r) * p.progress; + var g = from.g + (to.g - from.g) * p.progress; + var b = from.b + (to.b - from.b) * p.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.AnimateBase; + this.base(node); + + this.calcValue = function() { + var p = this.progress(); + + // tween value linearly + var from = svg.ToNumberArray(p.from.value); + var to = svg.ToNumberArray(p.to.value); + var newValue = ''; + for (var i=0; i<from.length; i++) { + newValue += from[i] + (to[i] -
<TRUNCATED>
