diff --git a/editor/canvg/canvg.js b/editor/canvg/canvg.js index 2880150d..eb9ed2fa 100644 --- a/editor/canvg/canvg.js +++ b/editor/canvg/canvg.js @@ -1,2946 +1,2946 @@ -/* eslint-disable no-var, no-redeclare, new-cap */ -/* globals RGBColor, stackBlurCanvasRGBA, ActiveXObject */ -/* - * 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 - https://www.phpied.com/rgb-color-parser-in-javascript/ - */ -var canvg; -(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 -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+$/g, ''); }; - - // compress spaces - svg.compressSpaces = function (s) { return s.replace(/[\s\r\t\n]+/gm, ' '); }; - - // ajax - svg.ajax = function (url) { - var AJAX; - if (window.XMLHttpRequest) { - AJAX = new XMLHttpRequest(); - } else { - AJAX = new ActiveXObject('Microsoft.XMLHTTP'); - } - if (AJAX) { - AJAX.open('GET', url, false); - AJAX.send(null); - return AJAX.responseText; - } - return null; - }; - - // parse xml - svg.parseXml = function (xml) { - if (window.DOMParser) { - var parser = new DOMParser(); - return parser.parseFromString(xml, 'text/xml'); - } else { - xml = xml.replace(/]*>/, ''); - var xmlDoc = new ActiveXObject('Microsoft.XMLDOM'); - xmlDoc.async = 'false'; - xmlDoc.loadXML(xml); - return xmlDoc; - } - }; - - svg.Property = function (name, value) { - this.name = name; - this.value = value; - }; - svg.Property.prototype.getValue = function () { - return this.value; - }; - - svg.Property.prototype.hasValue = function () { - return (this.value != null && this.value !== ''); - }; - - // return the numerical value of the property - svg.Property.prototype.numValue = function () { - if (!this.hasValue()) return 0; - - var n = parseFloat(this.value); - if ((this.value + '').match(/%$/)) { - 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 (var 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 (t > 0 && 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 (t1 > 0 && 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 (t2 > 0 && 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.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 - https://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 children - for (var i = 0, childNode; (childNode = node.childNodes[i]); 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 - } - } - } - - // 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; - } - } - } - }; - - 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; - 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; - 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 https://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; - } - 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 - // https://www.w3.org/TR/SVG11/implnote.html#ArcConversionEndpointToCenter - - // 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] - from[i]) * p.progress + ' '; - } - return newValue; - }; - }; - svg.Element.animateTransform.prototype = new svg.Element.animate(); - - // font element - svg.Element.font = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.horizAdvX = this.attribute('horiz-adv-x').numValue(); - - this.isRTL = false; - this.isArabic = false; - this.fontFace = null; - this.missingGlyph = null; - this.glyphs = []; - for (var i = 0; i < this.children.length; i++) { - var child = this.children[i]; - if (child.type === 'font-face') { - this.fontFace = child; - if (child.style('font-family').hasValue()) { - svg.Definitions[child.style('font-family').value] = this; - } - } else if (child.type === 'missing-glyph') { - this.missingGlyph = child; - } else if (child.type === 'glyph') { - if (child.arabicForm !== '') { - this.isRTL = true; - this.isArabic = true; - if (typeof this.glyphs[child.unicode] === 'undefined') { - this.glyphs[child.unicode] = []; - } - this.glyphs[child.unicode][child.arabicForm] = child; - } else { - this.glyphs[child.unicode] = child; - } - } - } - }; - svg.Element.font.prototype = new svg.Element.ElementBase(); - - // font-face element - svg.Element.fontface = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.ascent = this.attribute('ascent').value; - this.descent = this.attribute('descent').value; - this.unitsPerEm = this.attribute('units-per-em').numValue(); - }; - svg.Element.fontface.prototype = new svg.Element.ElementBase(); - - // missing-glyph element - svg.Element.missingglyph = function (node) { - this.base = svg.Element.path; - this.base(node); - - this.horizAdvX = 0; - }; - svg.Element.missingglyph.prototype = new svg.Element.path(); - - // glyph element - svg.Element.glyph = function (node) { - this.base = svg.Element.path; - this.base(node); - - this.horizAdvX = this.attribute('horiz-adv-x').numValue(); - this.unicode = this.attribute('unicode').value; - this.arabicForm = this.attribute('arabic-form').value; - }; - svg.Element.glyph.prototype = new svg.Element.path(); - - // text element - svg.Element.text = function (node) { - this.captureTextNodes = true; - this.base = svg.Element.RenderedElementBase; - this.base(node); - - this.baseSetContext = this.setContext; - this.setContext = function (ctx) { - this.baseSetContext(ctx); - - var textBaseline = this.style('dominant-baseline').toTextBaseline(); - if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline(); - if (textBaseline != null) ctx.textBaseline = textBaseline; - }; - - this.getBoundingBox = function () { - var x = this.attribute('x').toPixels('x'); - var y = this.attribute('y').toPixels('y'); - var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); - return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y); - }; - - this.renderChildren = function (ctx) { - this.x = this.attribute('x').toPixels('x'); - this.y = this.attribute('y').toPixels('y'); - this.x += this.getAnchorDelta(ctx, this, 0); - for (var i = 0; i < this.children.length; i++) { - this.renderChild(ctx, this, i); - } - }; - - this.getAnchorDelta = function (ctx, parent, startI) { - var textAnchor = this.style('text-anchor').valueOrDefault('start'); - if (textAnchor !== 'start') { - var width = 0; - for (var i = startI; i < parent.children.length; i++) { - var child = parent.children[i]; - if (i > startI && child.attribute('x').hasValue()) break; // new group - width += child.measureTextRecursive(ctx); - } - return -1 * (textAnchor === 'end' ? width : width / 2.0); - } - return 0; - }; - - this.renderChild = function (ctx, parent, i) { - var child = parent.children[i]; - if (child.attribute('x').hasValue()) { - child.x = child.attribute('x').toPixels('x') + this.getAnchorDelta(ctx, parent, i); - if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x'); - } else { - if (this.attribute('dx').hasValue()) this.x += this.attribute('dx').toPixels('x'); - if (child.attribute('dx').hasValue()) this.x += child.attribute('dx').toPixels('x'); - child.x = this.x; - } - this.x = child.x + child.measureText(ctx); - - if (child.attribute('y').hasValue()) { - child.y = child.attribute('y').toPixels('y'); - if (child.attribute('dy').hasValue()) child.y += child.attribute('dy').toPixels('y'); - } else { - if (this.attribute('dy').hasValue()) this.y += this.attribute('dy').toPixels('y'); - if (child.attribute('dy').hasValue()) this.y += child.attribute('dy').toPixels('y'); - child.y = this.y; - } - this.y = child.y; - - child.render(ctx); - - for (var i = 0; i < child.children.length; i++) { - this.renderChild(ctx, child, i); - } - }; - }; - svg.Element.text.prototype = new svg.Element.RenderedElementBase(); - - // text base - svg.Element.TextElementBase = function (node) { - this.base = svg.Element.RenderedElementBase; - this.base(node); - - this.getGlyph = function (font, text, i) { - var c = text[i]; - var glyph = null; - if (font.isArabic) { - var arabicForm = 'isolated'; - if ((i === 0 || text[i - 1] === ' ') && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'terminal'; - if (i > 0 && text[i - 1] !== ' ' && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'medial'; - if (i > 0 && text[i - 1] !== ' ' && (i === text.length - 1 || text[i + 1] === ' ')) arabicForm = 'initial'; - if (typeof font.glyphs[c] !== 'undefined') { - glyph = font.glyphs[c][arabicForm]; - if (glyph == null && font.glyphs[c].type === 'glyph') glyph = font.glyphs[c]; - } - } else { - glyph = font.glyphs[c]; - } - if (glyph == null) glyph = font.missingGlyph; - return glyph; - }; - - this.renderChildren = function (ctx) { - var customFont = this.parent.style('font-family').getDefinition(); - if (customFont != null) { - var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); - var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle); - var text = this.getText(); - if (customFont.isRTL) text = text.split('').reverse().join(''); - - var dx = svg.ToNumberArray(this.parent.attribute('dx').value); - for (var i = 0; i < text.length; i++) { - var glyph = this.getGlyph(customFont, text, i); - var scale = fontSize / customFont.fontFace.unitsPerEm; - ctx.translate(this.x, this.y); - ctx.scale(scale, -scale); - var lw = ctx.lineWidth; - ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize; - if (fontStyle === 'italic') ctx.transform(1, 0, 0.4, 1, 0, 0); - glyph.render(ctx); - if (fontStyle === 'italic') ctx.transform(1, 0, -0.4, 1, 0, 0); - ctx.lineWidth = lw; - ctx.scale(1 / scale, -1 / scale); - ctx.translate(-this.x, -this.y); - - this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm; - if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) { - this.x += dx[i]; - } - } - return; - } - - if (ctx.fillStyle !== '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y); - if (ctx.strokeStyle !== '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y); - }; - - this.getText = function () { - // OVERRIDE ME - }; - - this.measureTextRecursive = function (ctx) { - var width = this.measureText(ctx); - for (var i = 0; i < this.children.length; i++) { - width += this.children[i].measureTextRecursive(ctx); - } - return width; - }; - - this.measureText = function (ctx) { - var customFont = this.parent.style('font-family').getDefinition(); - if (customFont != null) { - var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); - var measure = 0; - var text = this.getText(); - if (customFont.isRTL) text = text.split('').reverse().join(''); - var dx = svg.ToNumberArray(this.parent.attribute('dx').value); - for (var i = 0; i < text.length; i++) { - var glyph = this.getGlyph(customFont, text, i); - measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm; - if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) { - measure += dx[i]; - } - } - return measure; - } - - var textToMeasure = svg.compressSpaces(this.getText()); - if (!ctx.measureText) return textToMeasure.length * 10; - - ctx.save(); - this.setContext(ctx); - var width = ctx.measureText(textToMeasure).width; - ctx.restore(); - return width; - }; - }; - svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase(); - - // tspan - svg.Element.tspan = function (node) { - this.captureTextNodes = true; - this.base = svg.Element.TextElementBase; - this.base(node); - - this.text = node.nodeValue || 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.getHrefAttribute().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, childNode; (childNode = node.childNodes[i]); i++) { - if (childNode.nodeType !== 3) this.hasText = false; - } - - // this might contain text - this.text = this.hasText ? node.childNodes[0].nodeValue : ''; - this.getText = function () { - return this.text; - }; - - this.baseRenderChildren = this.renderChildren; - this.renderChildren = function (ctx) { - if (this.hasText) { - // render as text element - this.baseRenderChildren(ctx); - var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize); - svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y)); - } else { - // render as temporary group - var g = new svg.Element.g(); - g.children = this.children; - g.parent = this; - g.render(ctx); - } - }; - - this.onclick = function () { - window.open(this.getHrefAttribute().value); - }; - - this.onmousemove = function () { - svg.ctx.canvas.style.cursor = 'pointer'; - }; - }; - svg.Element.a.prototype = new svg.Element.TextElementBase(); - - // image element - svg.Element.image = function (node) { - this.base = svg.Element.RenderedElementBase; - this.base(node); - - var href = this.getHrefAttribute().value; - if (href === '') { - return; - } - var isSvg = href.match(/\.svg$/); - - svg.Images.push(this); - this.loaded = false; - if (!isSvg) { - this.img = document.createElement('img'); - if (svg.opts['useCORS'] === true) { this.img.crossOrigin = 'Anonymous'; } - var self = this; - this.img.onload = function () { self.loaded = true; }; - this.img.onerror = function () { svg.log('ERROR: image "' + href + '" not found'); self.loaded = true; }; - this.img.src = href; - } else { - this.img = svg.ajax(href); - this.loaded = true; - } - - this.renderChildren = 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'); - if (width === 0 || height === 0) return; - - ctx.save(); - if (isSvg) { - ctx.drawSvg(this.img, x, y, width, height); - } else { - ctx.translate(x, y); - svg.AspectRatio( - ctx, - this.attribute('preserveAspectRatio').value, - width, - this.img.width, - height, - this.img.height, - 0, - 0 - ); - ctx.drawImage(this.img, 0, 0); - } - ctx.restore(); - }; - - this.getBoundingBox = function () { - 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'); - return new svg.BoundingBox(x, y, x + width, y + height); - }; - }; - svg.Element.image.prototype = new svg.Element.RenderedElementBase(); - - // group element - svg.Element.g = function (node) { - this.base = svg.Element.RenderedElementBase; - this.base(node); - - this.getBoundingBox = function () { - var bb = new svg.BoundingBox(); - for (var i = 0; i < this.children.length; i++) { - bb.addBoundingBox(this.children[i].getBoundingBox()); - } - return bb; - }; - }; - svg.Element.g.prototype = new svg.Element.RenderedElementBase(); - - // symbol element - svg.Element.symbol = function (node) { - this.base = svg.Element.RenderedElementBase; - this.base(node); - - this.render = function (ctx) { - // NO RENDER - }; - }; - svg.Element.symbol.prototype = new svg.Element.RenderedElementBase(); - - // style element - svg.Element.style = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - // text, or spaces then CDATA - var css = ''; - for (var i = 0, childNode; (childNode = node.childNodes[i]); i++) { - css += childNode.nodeValue; - } - css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments - css = svg.compressSpaces(css); // replace whitespace - var cssDefs = css.split('}'); - for (var i = 0; i < cssDefs.length; i++) { - if (svg.trim(cssDefs[i]) !== '') { - var cssDef = cssDefs[i].split('{'); - var cssClasses = cssDef[0].split(','); - var cssProps = cssDef[1].split(';'); - for (var j = 0; j < cssClasses.length; j++) { - var cssClass = svg.trim(cssClasses[j]); - if (cssClass !== '') { - var props = {}; - for (var k = 0; k < cssProps.length; k++) { - var prop = cssProps[k].indexOf(':'); - var name = cssProps[k].substr(0, prop); - var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop); - if (name != null && value != null) { - props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value)); - } - } - svg.Styles[cssClass] = props; - if (cssClass === '@font-face') { - var fontFamily = props['font-family'].value.replace(/"/g, ''); - var srcs = props['src'].value.split(','); - for (var s = 0; s < srcs.length; s++) { - if (srcs[s].indexOf('format("svg")') > 0) { - var urlStart = srcs[s].indexOf('url'); - var urlEnd = srcs[s].indexOf(')', urlStart); - var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6); - var doc = svg.parseXml(svg.ajax(url)); - var fonts = doc.getElementsByTagName('font'); - for (var f = 0; f < fonts.length; f++) { - var font = svg.CreateElement(fonts[f]); - svg.Definitions[fontFamily] = font; - } - } - } - } - } - } - } - } - }; - svg.Element.style.prototype = new svg.Element.ElementBase(); - - // use element - svg.Element.use = function (node) { - this.base = svg.Element.RenderedElementBase; - this.base(node); - - this.baseSetContext = this.setContext; - this.setContext = function (ctx) { - this.baseSetContext(ctx); - if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0); - if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y')); - }; - - var element = this.getHrefAttribute().getDefinition(); - - this.path = function (ctx) { - if (element != null) element.path(ctx); - }; - - this.getBoundingBox = function () { - if (element != null) return element.getBoundingBox(); - }; - - this.renderChildren = function (ctx) { - if (element != null) { - var tempSvg = element; - if (element.type === 'symbol') { - // render me using a temporary svg element in symbol cases (https://www.w3.org/TR/SVG/struct.html#UseElement) - tempSvg = new svg.Element.svg(); - tempSvg.type = 'svg'; - tempSvg.attributes['viewBox'] = new svg.Property('viewBox', element.attribute('viewBox').value); - tempSvg.attributes['preserveAspectRatio'] = new svg.Property('preserveAspectRatio', element.attribute('preserveAspectRatio').value); - tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value); - tempSvg.children = element.children; - } - if (tempSvg.type === 'svg') { - // if symbol or svg, inherit width/height from me - if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value); - if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value); - } - var oldParent = tempSvg.parent; - tempSvg.parent = null; - tempSvg.render(ctx); - tempSvg.parent = oldParent; - } - }; - }; - svg.Element.use.prototype = new svg.Element.RenderedElementBase(); - - // mask element - svg.Element.mask = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.apply = function (ctx, element) { - // render as temp svg - var x = this.attribute('x').toPixels('x'); - var y = this.attribute('y').toPixels('y'); - var width = this.attribute('width').toPixels('x'); - var height = this.attribute('height').toPixels('y'); - - if (width === 0 && height === 0) { - var bb = new svg.BoundingBox(); - for (var i = 0; i < this.children.length; i++) { - bb.addBoundingBox(this.children[i].getBoundingBox()); - } - var x = Math.floor(bb.x1); - var y = Math.floor(bb.y1); - var width = Math.floor(bb.width()); - var height = Math.floor(bb.height()); - } - - // temporarily remove mask to avoid recursion - var mask = element.attribute('mask').value; - element.attribute('mask').value = ''; - - var cMask = document.createElement('canvas'); - cMask.width = x + width; - cMask.height = y + height; - var maskCtx = cMask.getContext('2d'); - this.renderChildren(maskCtx); - - var c = document.createElement('canvas'); - c.width = x + width; - c.height = y + height; - var tempCtx = c.getContext('2d'); - element.render(tempCtx); - tempCtx.globalCompositeOperation = 'destination-in'; - tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat'); - tempCtx.fillRect(0, 0, x + width, y + height); - - ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat'); - ctx.fillRect(0, 0, x + width, y + height); - - // reassign mask - element.attribute('mask').value = mask; - }; - - this.render = function (ctx) { - // NO RENDER - }; - }; - svg.Element.mask.prototype = new svg.Element.ElementBase(); - - // clip element - svg.Element.clipPath = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.apply = function (ctx) { - for (var i = 0; i < this.children.length; i++) { - var child = this.children[i]; - if (typeof child.path !== 'undefined') { - var transform = null; - if (child.attribute('transform').hasValue()) { - transform = new svg.Transform(child.attribute('transform').value); - transform.apply(ctx); - } - child.path(ctx); - ctx.clip(); - if (transform) { transform.unapply(ctx); } - } - } - }; - - this.render = function (ctx) { - // NO RENDER - }; - }; - svg.Element.clipPath.prototype = new svg.Element.ElementBase(); - - // filters - svg.Element.filter = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.apply = function (ctx, element) { - // render as temp svg - var bb = element.getBoundingBox(); - var x = Math.floor(bb.x1); - var y = Math.floor(bb.y1); - var width = Math.floor(bb.width()); - var height = Math.floor(bb.height()); - - // temporarily remove filter to avoid recursion - var filter = element.style('filter').value; - element.style('filter').value = ''; - - var px = 0, py = 0; - for (var i = 0; i < this.children.length; i++) { - var efd = this.children[i].extraFilterDistance || 0; - px = Math.max(px, efd); - py = Math.max(py, efd); - } - - var c = document.createElement('canvas'); - c.width = width + 2 * px; - c.height = height + 2 * py; - var tempCtx = c.getContext('2d'); - tempCtx.translate(-x + px, -y + py); - element.render(tempCtx); - - // apply filters - for (var i = 0; i < this.children.length; i++) { - this.children[i].apply(tempCtx, 0, 0, width + 2 * px, height + 2 * py); - } - - // render on me - ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py); - - // reassign filter - element.style('filter', true).value = filter; - }; - - this.render = function (ctx) { - // NO RENDER - }; - }; - svg.Element.filter.prototype = new svg.Element.ElementBase(); - - svg.Element.feMorphology = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.apply = function (ctx, x, y, width, height) { - // TODO: implement - }; - }; - svg.Element.feMorphology.prototype = new svg.Element.ElementBase(); - - svg.Element.feComposite = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.apply = function (ctx, x, y, width, height) { - // TODO: implement - }; - }; - svg.Element.feComposite.prototype = new svg.Element.ElementBase(); - - svg.Element.feColorMatrix = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - var matrix = svg.ToNumberArray(this.attribute('values').value); - switch (this.attribute('type').valueOrDefault('matrix')) { // https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement - case 'saturate': - var s = matrix[0]; - matrix = [ - 0.213 + 0.787 * s, 0.715 - 0.715 * s, 0.072 - 0.072 * s, 0, 0, - 0.213 - 0.213 * s, 0.715 + 0.285 * s, 0.072 - 0.072 * s, 0, 0, - 0.213 - 0.213 * s, 0.715 - 0.715 * s, 0.072 + 0.928 * s, 0, 0, - 0, 0, 0, 1, 0, - 0, 0, 0, 0, 1 - ]; - break; - case 'hueRotate': - var a = matrix[0] * Math.PI / 180.0; - var c = function (m1, m2, m3) { return m1 + Math.cos(a) * m2 + Math.sin(a) * m3; }; - matrix = [ - c(0.213, 0.787, -0.213), c(0.715, -0.715, -0.715), c(0.072, -0.072, 0.928), 0, 0, - c(0.213, -0.213, 0.143), c(0.715, 0.285, 0.140), c(0.072, -0.072, -0.283), 0, 0, - c(0.213, -0.213, -0.787), c(0.715, -0.715, 0.715), c(0.072, 0.928, 0.072), 0, 0, - 0, 0, 0, 1, 0, - 0, 0, 0, 0, 1 - ]; - break; - case 'luminanceToAlpha': - matrix = [ - 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, - 0.2125, 0.7154, 0.0721, 0, 0, - 0, 0, 0, 0, 1 - ]; - break; - } - - function imGet (img, x, y, width, height, rgba) { - return img[y * width * 4 + x * 4 + rgba]; - } - - function imSet (img, x, y, width, height, rgba, val) { - img[y * width * 4 + x * 4 + rgba] = val; - } - - function m (i, v) { - var mi = matrix[i]; - return mi * (mi < 0 ? v - 255 : v); - } - - this.apply = function (ctx, x, y, width, height) { - // assuming x==0 && y==0 for now - var srcData = ctx.getImageData(0, 0, width, height); - for (var y = 0; y < height; y++) { - for (var x = 0; x < width; x++) { - var r = imGet(srcData.data, x, y, width, height, 0); - var g = imGet(srcData.data, x, y, width, height, 1); - var b = imGet(srcData.data, x, y, width, height, 2); - var a = imGet(srcData.data, x, y, width, height, 3); - imSet(srcData.data, x, y, width, height, 0, m(0, r) + m(1, g) + m(2, b) + m(3, a) + m(4, 1)); - imSet(srcData.data, x, y, width, height, 1, m(5, r) + m(6, g) + m(7, b) + m(8, a) + m(9, 1)); - imSet(srcData.data, x, y, width, height, 2, m(10, r) + m(11, g) + m(12, b) + m(13, a) + m(14, 1)); - imSet(srcData.data, x, y, width, height, 3, m(15, r) + m(16, g) + m(17, b) + m(18, a) + m(19, 1)); - } - } - ctx.clearRect(0, 0, width, height); - ctx.putImageData(srcData, 0, 0); - }; - }; - svg.Element.feColorMatrix.prototype = new svg.Element.ElementBase(); - - svg.Element.feGaussianBlur = function (node) { - this.base = svg.Element.ElementBase; - this.base(node); - - this.blurRadius = Math.floor(this.attribute('stdDeviation').numValue()); - this.extraFilterDistance = this.blurRadius; - - this.apply = function (ctx, x, y, width, height) { - if (typeof stackBlurCanvasRGBA === 'undefined') { - svg.log('ERROR: StackBlur.js must be included for blur to work'); - return; - } - - // StackBlur requires canvas be on document - ctx.canvas.id = svg.UniqueId(); - ctx.canvas.style.display = 'none'; - document.body.appendChild(ctx.canvas); - stackBlurCanvasRGBA(ctx.canvas.id, x, y, width, height, this.blurRadius); - document.body.removeChild(ctx.canvas); - }; - }; - svg.Element.feGaussianBlur.prototype = new svg.Element.ElementBase(); - - // title element, do nothing - svg.Element.title = function (node) { - }; - svg.Element.title.prototype = new svg.Element.ElementBase(); - - // desc element, do nothing - svg.Element.desc = function (node) { - }; - svg.Element.desc.prototype = new svg.Element.ElementBase(); - - svg.Element.MISSING = function (node) { - svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.'); - }; - svg.Element.MISSING.prototype = new svg.Element.ElementBase(); - - // element factory - svg.CreateElement = function (node) { - var className = node.nodeName.replace(/^[^:]+:/, ''); // remove namespace - className = className.replace(/-/g, ''); // remove dashes - var e = null; - if (typeof svg.Element[className] !== 'undefined') { - e = new svg.Element[className](node); - } else { - e = new svg.Element.MISSING(node); - } - - e.type = node.nodeName; - return e; - }; - - // load from url - svg.load = function (ctx, url) { - svg.loadXml(ctx, svg.ajax(url)); - }; - - // load from xml - svg.loadXml = function (ctx, xml) { - svg.loadXmlDoc(ctx, svg.parseXml(xml)); - }; - - svg.loadXmlDoc = function (ctx, dom) { - svg.init(ctx); - - var mapXY = function (p) { - var e = ctx.canvas; - while (e) { - p.x -= e.offsetLeft; - p.y -= e.offsetTop; - e = e.offsetParent; - } - if (window.scrollX) p.x += window.scrollX; - if (window.scrollY) p.y += window.scrollY; - return p; - }; - - // bind mouse - if (svg.opts['ignoreMouse'] !== true) { - ctx.canvas.onclick = function (e) { - var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY)); - svg.Mouse.onclick(p.x, p.y); - }; - ctx.canvas.onmousemove = function (e) { - var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY)); - svg.Mouse.onmousemove(p.x, p.y); - }; - } - - var e = svg.CreateElement(dom.documentElement); - e.root = true; - - // render loop - var isFirstRender = true; - var draw = function () { - svg.ViewPort.Clear(); - if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight); - - if (svg.opts['ignoreDimensions'] !== true) { - // set canvas size - if (e.style('width').hasValue()) { - ctx.canvas.width = e.style('width').toPixels('x'); - ctx.canvas.style.width = ctx.canvas.width + 'px'; - } - if (e.style('height').hasValue()) { - ctx.canvas.height = e.style('height').toPixels('y'); - ctx.canvas.style.height = ctx.canvas.height + 'px'; - } - } - var cWidth = ctx.canvas.clientWidth || ctx.canvas.width; - var cHeight = ctx.canvas.clientHeight || ctx.canvas.height; - if (svg.opts['ignoreDimensions'] === true && e.style('width').hasValue() && e.style('height').hasValue()) { - cWidth = e.style('width').toPixels('x'); - cHeight = e.style('height').toPixels('y'); - } - svg.ViewPort.SetCurrent(cWidth, cHeight); - - if (svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX']; - if (svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY']; - if (svg.opts['scaleWidth'] != null || svg.opts['scaleHeight'] != null) { - var xRatio = null, yRatio = null, viewBox = svg.ToNumberArray(e.attribute('viewBox').value); - - if (svg.opts['scaleWidth'] != null) { - if (e.attribute('width').hasValue()) xRatio = e.attribute('width').toPixels('x') / svg.opts['scaleWidth']; - else if (!isNaN(viewBox[2])) xRatio = viewBox[2] / svg.opts['scaleWidth']; - } - - if (svg.opts['scaleHeight'] != null) { - if (e.attribute('height').hasValue()) yRatio = e.attribute('height').toPixels('y') / svg.opts['scaleHeight']; - else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts['scaleHeight']; - } - - if (xRatio == null) { xRatio = yRatio; } - if (yRatio == null) { yRatio = xRatio; } - - e.attribute('width', true).value = svg.opts['scaleWidth']; - e.attribute('height', true).value = svg.opts['scaleHeight']; - e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio); - e.attribute('preserveAspectRatio', true).value = 'none'; - } - - // clear and render - if (svg.opts['ignoreClear'] !== true) { - ctx.clearRect(0, 0, cWidth, cHeight); - } - e.render(ctx); - if (isFirstRender) { - isFirstRender = false; - if (typeof svg.opts['renderCallback'] === 'function') { - svg.opts['renderCallback'](dom); - } - } - }; - - var waitingForImages = true; - if (svg.ImagesLoaded()) { - waitingForImages = false; - draw(); - } - svg.intervalID = setInterval(function () { - var needUpdate = false; - - if (waitingForImages && svg.ImagesLoaded()) { - waitingForImages = false; - needUpdate = true; - } - - // need update from mouse events? - if (svg.opts['ignoreMouse'] !== true) { - needUpdate = needUpdate | svg.Mouse.hasEvents(); - } - - // need update from animations? - if (svg.opts['ignoreAnimation'] !== true) { - for (var i = 0; i < svg.Animations.length; i++) { - needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE); - } - } - - // need update from redraw? - if (typeof svg.opts['forceRedraw'] === 'function') { - if (svg.opts['forceRedraw']() === true) needUpdate = true; - } - - // render if needed - if (needUpdate) { - draw(); - svg.Mouse.runEvents(); // run and clear our events - } - }, 1000 / svg.FRAMERATE); - }; - - svg.stop = function () { - if (svg.intervalID) { - clearInterval(svg.intervalID); - } - }; - - svg.Mouse = new function () { - this.events = []; - this.hasEvents = function () { return this.events.length !== 0; }; - - this.onclick = function (x, y) { - this.events.push({ type: 'onclick', x: x, y: y, - run: function (e) { if (e.onclick) e.onclick(); } - }); - }; - - this.onmousemove = function (x, y) { - this.events.push({ type: 'onmousemove', x: x, y: y, - run: function (e) { if (e.onmousemove) e.onmousemove(); } - }); - }; - - this.eventElements = []; - - this.checkPath = function (element, ctx) { - for (var i = 0; i < this.events.length; i++) { - var e = this.events[i]; - if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element; - } - }; - - this.checkBoundingBox = function (element, bb) { - for (var i = 0; i < this.events.length; i++) { - var e = this.events[i]; - if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element; - } - }; - - this.runEvents = function () { - svg.ctx.canvas.style.cursor = ''; - - for (var i = 0; i < this.events.length; i++) { - var e = this.events[i]; - var element = this.eventElements[i]; - while (element) { - e.run(element); - element = element.parent; - } - } - - // done running, clear - this.events = []; - this.eventElements = []; - }; - }(); - - return svg; -} -})(); - -if (typeof CanvasRenderingContext2D !== 'undefined') { - CanvasRenderingContext2D.prototype.drawSvg = function (s, dx, dy, dw, dh) { - canvg(this.canvas, s, { - ignoreMouse: true, - ignoreAnimation: true, - ignoreDimensions: true, - ignoreClear: true, - offsetX: dx, - offsetY: dy, - scaleWidth: dw, - scaleHeight: dh - }); - }; -} +/* eslint-disable no-var, no-redeclare, new-cap */ +/* globals RGBColor, stackBlurCanvasRGBA, ActiveXObject */ +/* + * 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 - https://www.phpied.com/rgb-color-parser-in-javascript/ + */ +var canvg; +(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 +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 (window.DOMParser) { + var parser = new DOMParser(); + return parser.parseFromString(xml, 'text/xml'); + } else { + xml = xml.replace(/]*>/, ''); + var xmlDoc = new ActiveXObject('Microsoft.XMLDOM'); + xmlDoc.async = 'false'; + xmlDoc.loadXML(xml); + return xmlDoc; + } + }; + + svg.Property = function (name, value) { + this.name = name; + this.value = value; + }; + 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 (var 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 (t > 0 && 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 (t1 > 0 && 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 (t2 > 0 && 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.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 - https://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 children + for (var i = 0, childNode; (childNode = node.childNodes[i]); 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 + } + } + } + + // 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; + } + } + } + }; + + 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; + 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; + 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 https://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; + } + 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 + // https://www.w3.org/TR/SVG11/implnote.html#ArcConversionEndpointToCenter + + // 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] - from[i]) * p.progress + ' '; + } + return newValue; + }; + }; + svg.Element.animateTransform.prototype = new svg.Element.animate(); + + // font element + svg.Element.font = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.horizAdvX = this.attribute('horiz-adv-x').numValue(); + + this.isRTL = false; + this.isArabic = false; + this.fontFace = null; + this.missingGlyph = null; + this.glyphs = []; + for (var i = 0; i < this.children.length; i++) { + var child = this.children[i]; + if (child.type === 'font-face') { + this.fontFace = child; + if (child.style('font-family').hasValue()) { + svg.Definitions[child.style('font-family').value] = this; + } + } else if (child.type === 'missing-glyph') { + this.missingGlyph = child; + } else if (child.type === 'glyph') { + if (child.arabicForm !== '') { + this.isRTL = true; + this.isArabic = true; + if (typeof this.glyphs[child.unicode] === 'undefined') { + this.glyphs[child.unicode] = []; + } + this.glyphs[child.unicode][child.arabicForm] = child; + } else { + this.glyphs[child.unicode] = child; + } + } + } + }; + svg.Element.font.prototype = new svg.Element.ElementBase(); + + // font-face element + svg.Element.fontface = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.ascent = this.attribute('ascent').value; + this.descent = this.attribute('descent').value; + this.unitsPerEm = this.attribute('units-per-em').numValue(); + }; + svg.Element.fontface.prototype = new svg.Element.ElementBase(); + + // missing-glyph element + svg.Element.missingglyph = function (node) { + this.base = svg.Element.path; + this.base(node); + + this.horizAdvX = 0; + }; + svg.Element.missingglyph.prototype = new svg.Element.path(); + + // glyph element + svg.Element.glyph = function (node) { + this.base = svg.Element.path; + this.base(node); + + this.horizAdvX = this.attribute('horiz-adv-x').numValue(); + this.unicode = this.attribute('unicode').value; + this.arabicForm = this.attribute('arabic-form').value; + }; + svg.Element.glyph.prototype = new svg.Element.path(); + + // text element + svg.Element.text = function (node) { + this.captureTextNodes = true; + this.base = svg.Element.RenderedElementBase; + this.base(node); + + this.baseSetContext = this.setContext; + this.setContext = function (ctx) { + this.baseSetContext(ctx); + + var textBaseline = this.style('dominant-baseline').toTextBaseline(); + if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline(); + if (textBaseline != null) ctx.textBaseline = textBaseline; + }; + + this.getBoundingBox = function () { + var x = this.attribute('x').toPixels('x'); + var y = this.attribute('y').toPixels('y'); + var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); + return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y); + }; + + this.renderChildren = function (ctx) { + this.x = this.attribute('x').toPixels('x'); + this.y = this.attribute('y').toPixels('y'); + this.x += this.getAnchorDelta(ctx, this, 0); + for (var i = 0; i < this.children.length; i++) { + this.renderChild(ctx, this, i); + } + }; + + this.getAnchorDelta = function (ctx, parent, startI) { + var textAnchor = this.style('text-anchor').valueOrDefault('start'); + if (textAnchor !== 'start') { + var width = 0; + for (var i = startI; i < parent.children.length; i++) { + var child = parent.children[i]; + if (i > startI && child.attribute('x').hasValue()) break; // new group + width += child.measureTextRecursive(ctx); + } + return -1 * (textAnchor === 'end' ? width : width / 2.0); + } + return 0; + }; + + this.renderChild = function (ctx, parent, i) { + var child = parent.children[i]; + if (child.attribute('x').hasValue()) { + child.x = child.attribute('x').toPixels('x') + this.getAnchorDelta(ctx, parent, i); + if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x'); + } else { + if (this.attribute('dx').hasValue()) this.x += this.attribute('dx').toPixels('x'); + if (child.attribute('dx').hasValue()) this.x += child.attribute('dx').toPixels('x'); + child.x = this.x; + } + this.x = child.x + child.measureText(ctx); + + if (child.attribute('y').hasValue()) { + child.y = child.attribute('y').toPixels('y'); + if (child.attribute('dy').hasValue()) child.y += child.attribute('dy').toPixels('y'); + } else { + if (this.attribute('dy').hasValue()) this.y += this.attribute('dy').toPixels('y'); + if (child.attribute('dy').hasValue()) this.y += child.attribute('dy').toPixels('y'); + child.y = this.y; + } + this.y = child.y; + + child.render(ctx); + + for (var i = 0; i < child.children.length; i++) { + this.renderChild(ctx, child, i); + } + }; + }; + svg.Element.text.prototype = new svg.Element.RenderedElementBase(); + + // text base + svg.Element.TextElementBase = function (node) { + this.base = svg.Element.RenderedElementBase; + this.base(node); + + this.getGlyph = function (font, text, i) { + var c = text[i]; + var glyph = null; + if (font.isArabic) { + var arabicForm = 'isolated'; + if ((i === 0 || text[i - 1] === ' ') && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'terminal'; + if (i > 0 && text[i - 1] !== ' ' && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'medial'; + if (i > 0 && text[i - 1] !== ' ' && (i === text.length - 1 || text[i + 1] === ' ')) arabicForm = 'initial'; + if (typeof font.glyphs[c] !== 'undefined') { + glyph = font.glyphs[c][arabicForm]; + if (glyph == null && font.glyphs[c].type === 'glyph') glyph = font.glyphs[c]; + } + } else { + glyph = font.glyphs[c]; + } + if (glyph == null) glyph = font.missingGlyph; + return glyph; + }; + + this.renderChildren = function (ctx) { + var customFont = this.parent.style('font-family').getDefinition(); + if (customFont != null) { + var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); + var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle); + var text = this.getText(); + if (customFont.isRTL) text = text.split('').reverse().join(''); + + var dx = svg.ToNumberArray(this.parent.attribute('dx').value); + for (var i = 0; i < text.length; i++) { + var glyph = this.getGlyph(customFont, text, i); + var scale = fontSize / customFont.fontFace.unitsPerEm; + ctx.translate(this.x, this.y); + ctx.scale(scale, -scale); + var lw = ctx.lineWidth; + ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize; + if (fontStyle === 'italic') ctx.transform(1, 0, 0.4, 1, 0, 0); + glyph.render(ctx); + if (fontStyle === 'italic') ctx.transform(1, 0, -0.4, 1, 0, 0); + ctx.lineWidth = lw; + ctx.scale(1 / scale, -1 / scale); + ctx.translate(-this.x, -this.y); + + this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm; + if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) { + this.x += dx[i]; + } + } + return; + } + + if (ctx.fillStyle !== '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y); + if (ctx.strokeStyle !== '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y); + }; + + this.getText = function () { + // OVERRIDE ME + }; + + this.measureTextRecursive = function (ctx) { + var width = this.measureText(ctx); + for (var i = 0; i < this.children.length; i++) { + width += this.children[i].measureTextRecursive(ctx); + } + return width; + }; + + this.measureText = function (ctx) { + var customFont = this.parent.style('font-family').getDefinition(); + if (customFont != null) { + var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize); + var measure = 0; + var text = this.getText(); + if (customFont.isRTL) text = text.split('').reverse().join(''); + var dx = svg.ToNumberArray(this.parent.attribute('dx').value); + for (var i = 0; i < text.length; i++) { + var glyph = this.getGlyph(customFont, text, i); + measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm; + if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) { + measure += dx[i]; + } + } + return measure; + } + + var textToMeasure = svg.compressSpaces(this.getText()); + if (!ctx.measureText) return textToMeasure.length * 10; + + ctx.save(); + this.setContext(ctx); + var width = ctx.measureText(textToMeasure).width; + ctx.restore(); + return width; + }; + }; + svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase(); + + // tspan + svg.Element.tspan = function (node) { + this.captureTextNodes = true; + this.base = svg.Element.TextElementBase; + this.base(node); + + this.text = node.nodeValue || 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.getHrefAttribute().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, childNode; (childNode = node.childNodes[i]); i++) { + if (childNode.nodeType !== 3) this.hasText = false; + } + + // this might contain text + this.text = this.hasText ? node.childNodes[0].nodeValue : ''; + this.getText = function () { + return this.text; + }; + + this.baseRenderChildren = this.renderChildren; + this.renderChildren = function (ctx) { + if (this.hasText) { + // render as text element + this.baseRenderChildren(ctx); + var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize); + svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y)); + } else { + // render as temporary group + var g = new svg.Element.g(); + g.children = this.children; + g.parent = this; + g.render(ctx); + } + }; + + this.onclick = function () { + window.open(this.getHrefAttribute().value); + }; + + this.onmousemove = function () { + svg.ctx.canvas.style.cursor = 'pointer'; + }; + }; + svg.Element.a.prototype = new svg.Element.TextElementBase(); + + // image element + svg.Element.image = function (node) { + this.base = svg.Element.RenderedElementBase; + this.base(node); + + var href = this.getHrefAttribute().value; + if (href === '') { + return; + } + var isSvg = href.match(/\.svg$/); + + svg.Images.push(this); + this.loaded = false; + if (!isSvg) { + this.img = document.createElement('img'); + if (svg.opts['useCORS'] === true) { this.img.crossOrigin = 'Anonymous'; } + var self = this; + this.img.onload = function () { self.loaded = true; }; + this.img.onerror = function () { svg.log('ERROR: image "' + href + '" not found'); self.loaded = true; }; + this.img.src = href; + } else { + this.img = svg.ajax(href); + this.loaded = true; + } + + this.renderChildren = 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'); + if (width === 0 || height === 0) return; + + ctx.save(); + if (isSvg) { + ctx.drawSvg(this.img, x, y, width, height); + } else { + ctx.translate(x, y); + svg.AspectRatio( + ctx, + this.attribute('preserveAspectRatio').value, + width, + this.img.width, + height, + this.img.height, + 0, + 0 + ); + ctx.drawImage(this.img, 0, 0); + } + ctx.restore(); + }; + + this.getBoundingBox = function () { + 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'); + return new svg.BoundingBox(x, y, x + width, y + height); + }; + }; + svg.Element.image.prototype = new svg.Element.RenderedElementBase(); + + // group element + svg.Element.g = function (node) { + this.base = svg.Element.RenderedElementBase; + this.base(node); + + this.getBoundingBox = function () { + var bb = new svg.BoundingBox(); + for (var i = 0; i < this.children.length; i++) { + bb.addBoundingBox(this.children[i].getBoundingBox()); + } + return bb; + }; + }; + svg.Element.g.prototype = new svg.Element.RenderedElementBase(); + + // symbol element + svg.Element.symbol = function (node) { + this.base = svg.Element.RenderedElementBase; + this.base(node); + + this.render = function (ctx) { + // NO RENDER + }; + }; + svg.Element.symbol.prototype = new svg.Element.RenderedElementBase(); + + // style element + svg.Element.style = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + // text, or spaces then CDATA + var css = ''; + for (var i = 0, childNode; (childNode = node.childNodes[i]); i++) { + css += childNode.nodeValue; + } + css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments + css = svg.compressSpaces(css); // replace whitespace + var cssDefs = css.split('}'); + for (var i = 0; i < cssDefs.length; i++) { + if (svg.trim(cssDefs[i]) !== '') { + var cssDef = cssDefs[i].split('{'); + var cssClasses = cssDef[0].split(','); + var cssProps = cssDef[1].split(';'); + for (var j = 0; j < cssClasses.length; j++) { + var cssClass = svg.trim(cssClasses[j]); + if (cssClass !== '') { + var props = {}; + for (var k = 0; k < cssProps.length; k++) { + var prop = cssProps[k].indexOf(':'); + var name = cssProps[k].substr(0, prop); + var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop); + if (name != null && value != null) { + props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value)); + } + } + svg.Styles[cssClass] = props; + if (cssClass === '@font-face') { + var fontFamily = props['font-family'].value.replace(/"/g, ''); + var srcs = props['src'].value.split(','); + for (var s = 0; s < srcs.length; s++) { + if (srcs[s].indexOf('format("svg")') > 0) { + var urlStart = srcs[s].indexOf('url'); + var urlEnd = srcs[s].indexOf(')', urlStart); + var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6); + var doc = svg.parseXml(svg.ajax(url)); + var fonts = doc.getElementsByTagName('font'); + for (var f = 0; f < fonts.length; f++) { + var font = svg.CreateElement(fonts[f]); + svg.Definitions[fontFamily] = font; + } + } + } + } + } + } + } + } + }; + svg.Element.style.prototype = new svg.Element.ElementBase(); + + // use element + svg.Element.use = function (node) { + this.base = svg.Element.RenderedElementBase; + this.base(node); + + this.baseSetContext = this.setContext; + this.setContext = function (ctx) { + this.baseSetContext(ctx); + if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0); + if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y')); + }; + + var element = this.getHrefAttribute().getDefinition(); + + this.path = function (ctx) { + if (element != null) element.path(ctx); + }; + + this.getBoundingBox = function () { + if (element != null) return element.getBoundingBox(); + }; + + this.renderChildren = function (ctx) { + if (element != null) { + var tempSvg = element; + if (element.type === 'symbol') { + // render me using a temporary svg element in symbol cases (https://www.w3.org/TR/SVG/struct.html#UseElement) + tempSvg = new svg.Element.svg(); + tempSvg.type = 'svg'; + tempSvg.attributes['viewBox'] = new svg.Property('viewBox', element.attribute('viewBox').value); + tempSvg.attributes['preserveAspectRatio'] = new svg.Property('preserveAspectRatio', element.attribute('preserveAspectRatio').value); + tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value); + tempSvg.children = element.children; + } + if (tempSvg.type === 'svg') { + // if symbol or svg, inherit width/height from me + if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value); + if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value); + } + var oldParent = tempSvg.parent; + tempSvg.parent = null; + tempSvg.render(ctx); + tempSvg.parent = oldParent; + } + }; + }; + svg.Element.use.prototype = new svg.Element.RenderedElementBase(); + + // mask element + svg.Element.mask = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.apply = function (ctx, element) { + // render as temp svg + var x = this.attribute('x').toPixels('x'); + var y = this.attribute('y').toPixels('y'); + var width = this.attribute('width').toPixels('x'); + var height = this.attribute('height').toPixels('y'); + + if (width === 0 && height === 0) { + var bb = new svg.BoundingBox(); + for (var i = 0; i < this.children.length; i++) { + bb.addBoundingBox(this.children[i].getBoundingBox()); + } + var x = Math.floor(bb.x1); + var y = Math.floor(bb.y1); + var width = Math.floor(bb.width()); + var height = Math.floor(bb.height()); + } + + // temporarily remove mask to avoid recursion + var mask = element.attribute('mask').value; + element.attribute('mask').value = ''; + + var cMask = document.createElement('canvas'); + cMask.width = x + width; + cMask.height = y + height; + var maskCtx = cMask.getContext('2d'); + this.renderChildren(maskCtx); + + var c = document.createElement('canvas'); + c.width = x + width; + c.height = y + height; + var tempCtx = c.getContext('2d'); + element.render(tempCtx); + tempCtx.globalCompositeOperation = 'destination-in'; + tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat'); + tempCtx.fillRect(0, 0, x + width, y + height); + + ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat'); + ctx.fillRect(0, 0, x + width, y + height); + + // reassign mask + element.attribute('mask').value = mask; + }; + + this.render = function (ctx) { + // NO RENDER + }; + }; + svg.Element.mask.prototype = new svg.Element.ElementBase(); + + // clip element + svg.Element.clipPath = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.apply = function (ctx) { + for (var i = 0; i < this.children.length; i++) { + var child = this.children[i]; + if (typeof child.path !== 'undefined') { + var transform = null; + if (child.attribute('transform').hasValue()) { + transform = new svg.Transform(child.attribute('transform').value); + transform.apply(ctx); + } + child.path(ctx); + ctx.clip(); + if (transform) { transform.unapply(ctx); } + } + } + }; + + this.render = function (ctx) { + // NO RENDER + }; + }; + svg.Element.clipPath.prototype = new svg.Element.ElementBase(); + + // filters + svg.Element.filter = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.apply = function (ctx, element) { + // render as temp svg + var bb = element.getBoundingBox(); + var x = Math.floor(bb.x1); + var y = Math.floor(bb.y1); + var width = Math.floor(bb.width()); + var height = Math.floor(bb.height()); + + // temporarily remove filter to avoid recursion + var filter = element.style('filter').value; + element.style('filter').value = ''; + + var px = 0, py = 0; + for (var i = 0; i < this.children.length; i++) { + var efd = this.children[i].extraFilterDistance || 0; + px = Math.max(px, efd); + py = Math.max(py, efd); + } + + var c = document.createElement('canvas'); + c.width = width + 2 * px; + c.height = height + 2 * py; + var tempCtx = c.getContext('2d'); + tempCtx.translate(-x + px, -y + py); + element.render(tempCtx); + + // apply filters + for (var i = 0; i < this.children.length; i++) { + this.children[i].apply(tempCtx, 0, 0, width + 2 * px, height + 2 * py); + } + + // render on me + ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py); + + // reassign filter + element.style('filter', true).value = filter; + }; + + this.render = function (ctx) { + // NO RENDER + }; + }; + svg.Element.filter.prototype = new svg.Element.ElementBase(); + + svg.Element.feMorphology = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.apply = function (ctx, x, y, width, height) { + // TODO: implement + }; + }; + svg.Element.feMorphology.prototype = new svg.Element.ElementBase(); + + svg.Element.feComposite = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.apply = function (ctx, x, y, width, height) { + // TODO: implement + }; + }; + svg.Element.feComposite.prototype = new svg.Element.ElementBase(); + + svg.Element.feColorMatrix = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + var matrix = svg.ToNumberArray(this.attribute('values').value); + switch (this.attribute('type').valueOrDefault('matrix')) { // https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement + case 'saturate': + var s = matrix[0]; + matrix = [ + 0.213 + 0.787 * s, 0.715 - 0.715 * s, 0.072 - 0.072 * s, 0, 0, + 0.213 - 0.213 * s, 0.715 + 0.285 * s, 0.072 - 0.072 * s, 0, 0, + 0.213 - 0.213 * s, 0.715 - 0.715 * s, 0.072 + 0.928 * s, 0, 0, + 0, 0, 0, 1, 0, + 0, 0, 0, 0, 1 + ]; + break; + case 'hueRotate': + var a = matrix[0] * Math.PI / 180.0; + var c = function (m1, m2, m3) { return m1 + Math.cos(a) * m2 + Math.sin(a) * m3; }; + matrix = [ + c(0.213, 0.787, -0.213), c(0.715, -0.715, -0.715), c(0.072, -0.072, 0.928), 0, 0, + c(0.213, -0.213, 0.143), c(0.715, 0.285, 0.140), c(0.072, -0.072, -0.283), 0, 0, + c(0.213, -0.213, -0.787), c(0.715, -0.715, 0.715), c(0.072, 0.928, 0.072), 0, 0, + 0, 0, 0, 1, 0, + 0, 0, 0, 0, 1 + ]; + break; + case 'luminanceToAlpha': + matrix = [ + 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, + 0.2125, 0.7154, 0.0721, 0, 0, + 0, 0, 0, 0, 1 + ]; + break; + } + + function imGet (img, x, y, width, height, rgba) { + return img[y * width * 4 + x * 4 + rgba]; + } + + function imSet (img, x, y, width, height, rgba, val) { + img[y * width * 4 + x * 4 + rgba] = val; + } + + function m (i, v) { + var mi = matrix[i]; + return mi * (mi < 0 ? v - 255 : v); + } + + this.apply = function (ctx, x, y, width, height) { + // assuming x==0 && y==0 for now + var srcData = ctx.getImageData(0, 0, width, height); + for (var y = 0; y < height; y++) { + for (var x = 0; x < width; x++) { + var r = imGet(srcData.data, x, y, width, height, 0); + var g = imGet(srcData.data, x, y, width, height, 1); + var b = imGet(srcData.data, x, y, width, height, 2); + var a = imGet(srcData.data, x, y, width, height, 3); + imSet(srcData.data, x, y, width, height, 0, m(0, r) + m(1, g) + m(2, b) + m(3, a) + m(4, 1)); + imSet(srcData.data, x, y, width, height, 1, m(5, r) + m(6, g) + m(7, b) + m(8, a) + m(9, 1)); + imSet(srcData.data, x, y, width, height, 2, m(10, r) + m(11, g) + m(12, b) + m(13, a) + m(14, 1)); + imSet(srcData.data, x, y, width, height, 3, m(15, r) + m(16, g) + m(17, b) + m(18, a) + m(19, 1)); + } + } + ctx.clearRect(0, 0, width, height); + ctx.putImageData(srcData, 0, 0); + }; + }; + svg.Element.feColorMatrix.prototype = new svg.Element.ElementBase(); + + svg.Element.feGaussianBlur = function (node) { + this.base = svg.Element.ElementBase; + this.base(node); + + this.blurRadius = Math.floor(this.attribute('stdDeviation').numValue()); + this.extraFilterDistance = this.blurRadius; + + this.apply = function (ctx, x, y, width, height) { + if (typeof stackBlurCanvasRGBA === 'undefined') { + svg.log('ERROR: StackBlur.js must be included for blur to work'); + return; + } + + // StackBlur requires canvas be on document + ctx.canvas.id = svg.UniqueId(); + ctx.canvas.style.display = 'none'; + document.body.appendChild(ctx.canvas); + stackBlurCanvasRGBA(ctx.canvas.id, x, y, width, height, this.blurRadius); + document.body.removeChild(ctx.canvas); + }; + }; + svg.Element.feGaussianBlur.prototype = new svg.Element.ElementBase(); + + // title element, do nothing + svg.Element.title = function (node) { + }; + svg.Element.title.prototype = new svg.Element.ElementBase(); + + // desc element, do nothing + svg.Element.desc = function (node) { + }; + svg.Element.desc.prototype = new svg.Element.ElementBase(); + + svg.Element.MISSING = function (node) { + svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.'); + }; + svg.Element.MISSING.prototype = new svg.Element.ElementBase(); + + // element factory + svg.CreateElement = function (node) { + var className = node.nodeName.replace(/^[^:]+:/, ''); // remove namespace + className = className.replace(/-/g, ''); // remove dashes + var e = null; + if (typeof svg.Element[className] !== 'undefined') { + e = new svg.Element[className](node); + } else { + e = new svg.Element.MISSING(node); + } + + e.type = node.nodeName; + return e; + }; + + // load from url + svg.load = function (ctx, url) { + svg.loadXml(ctx, svg.ajax(url)); + }; + + // load from xml + svg.loadXml = function (ctx, xml) { + svg.loadXmlDoc(ctx, svg.parseXml(xml)); + }; + + svg.loadXmlDoc = function (ctx, dom) { + svg.init(ctx); + + var mapXY = function (p) { + var e = ctx.canvas; + while (e) { + p.x -= e.offsetLeft; + p.y -= e.offsetTop; + e = e.offsetParent; + } + if (window.scrollX) p.x += window.scrollX; + if (window.scrollY) p.y += window.scrollY; + return p; + }; + + // bind mouse + if (svg.opts['ignoreMouse'] !== true) { + ctx.canvas.onclick = function (e) { + var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY)); + svg.Mouse.onclick(p.x, p.y); + }; + ctx.canvas.onmousemove = function (e) { + var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY)); + svg.Mouse.onmousemove(p.x, p.y); + }; + } + + var e = svg.CreateElement(dom.documentElement); + e.root = true; + + // render loop + var isFirstRender = true; + var draw = function () { + svg.ViewPort.Clear(); + if (ctx.canvas.parentNode) svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight); + + if (svg.opts['ignoreDimensions'] !== true) { + // set canvas size + if (e.style('width').hasValue()) { + ctx.canvas.width = e.style('width').toPixels('x'); + ctx.canvas.style.width = ctx.canvas.width + 'px'; + } + if (e.style('height').hasValue()) { + ctx.canvas.height = e.style('height').toPixels('y'); + ctx.canvas.style.height = ctx.canvas.height + 'px'; + } + } + var cWidth = ctx.canvas.clientWidth || ctx.canvas.width; + var cHeight = ctx.canvas.clientHeight || ctx.canvas.height; + if (svg.opts['ignoreDimensions'] === true && e.style('width').hasValue() && e.style('height').hasValue()) { + cWidth = e.style('width').toPixels('x'); + cHeight = e.style('height').toPixels('y'); + } + svg.ViewPort.SetCurrent(cWidth, cHeight); + + if (svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX']; + if (svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY']; + if (svg.opts['scaleWidth'] != null || svg.opts['scaleHeight'] != null) { + var xRatio = null, yRatio = null, viewBox = svg.ToNumberArray(e.attribute('viewBox').value); + + if (svg.opts['scaleWidth'] != null) { + if (e.attribute('width').hasValue()) xRatio = e.attribute('width').toPixels('x') / svg.opts['scaleWidth']; + else if (!isNaN(viewBox[2])) xRatio = viewBox[2] / svg.opts['scaleWidth']; + } + + if (svg.opts['scaleHeight'] != null) { + if (e.attribute('height').hasValue()) yRatio = e.attribute('height').toPixels('y') / svg.opts['scaleHeight']; + else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts['scaleHeight']; + } + + if (xRatio == null) { xRatio = yRatio; } + if (yRatio == null) { yRatio = xRatio; } + + e.attribute('width', true).value = svg.opts['scaleWidth']; + e.attribute('height', true).value = svg.opts['scaleHeight']; + e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio); + e.attribute('preserveAspectRatio', true).value = 'none'; + } + + // clear and render + if (svg.opts['ignoreClear'] !== true) { + ctx.clearRect(0, 0, cWidth, cHeight); + } + e.render(ctx); + if (isFirstRender) { + isFirstRender = false; + if (typeof svg.opts['renderCallback'] === 'function') { + svg.opts['renderCallback'](dom); + } + } + }; + + var waitingForImages = true; + if (svg.ImagesLoaded()) { + waitingForImages = false; + draw(); + } + svg.intervalID = setInterval(function () { + var needUpdate = false; + + if (waitingForImages && svg.ImagesLoaded()) { + waitingForImages = false; + needUpdate = true; + } + + // need update from mouse events? + if (svg.opts['ignoreMouse'] !== true) { + needUpdate = needUpdate | svg.Mouse.hasEvents(); + } + + // need update from animations? + if (svg.opts['ignoreAnimation'] !== true) { + for (var i = 0; i < svg.Animations.length; i++) { + needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE); + } + } + + // need update from redraw? + if (typeof svg.opts['forceRedraw'] === 'function') { + if (svg.opts['forceRedraw']() === true) needUpdate = true; + } + + // render if needed + if (needUpdate) { + draw(); + svg.Mouse.runEvents(); // run and clear our events + } + }, 1000 / svg.FRAMERATE); + }; + + svg.stop = function () { + if (svg.intervalID) { + clearInterval(svg.intervalID); + } + }; + + svg.Mouse = new function () { + this.events = []; + this.hasEvents = function () { return this.events.length !== 0; }; + + this.onclick = function (x, y) { + this.events.push({ type: 'onclick', x: x, y: y, + run: function (e) { if (e.onclick) e.onclick(); } + }); + }; + + this.onmousemove = function (x, y) { + this.events.push({ type: 'onmousemove', x: x, y: y, + run: function (e) { if (e.onmousemove) e.onmousemove(); } + }); + }; + + this.eventElements = []; + + this.checkPath = function (element, ctx) { + for (var i = 0; i < this.events.length; i++) { + var e = this.events[i]; + if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element; + } + }; + + this.checkBoundingBox = function (element, bb) { + for (var i = 0; i < this.events.length; i++) { + var e = this.events[i]; + if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element; + } + }; + + this.runEvents = function () { + svg.ctx.canvas.style.cursor = ''; + + for (var i = 0; i < this.events.length; i++) { + var e = this.events[i]; + var element = this.eventElements[i]; + while (element) { + e.run(element); + element = element.parent; + } + } + + // done running, clear + this.events = []; + this.eventElements = []; + }; + }(); + + return svg; +} +})(); + +if (typeof CanvasRenderingContext2D !== 'undefined') { + CanvasRenderingContext2D.prototype.drawSvg = function (s, dx, dy, dw, dh) { + canvg(this.canvas, s, { + ignoreMouse: true, + ignoreAnimation: true, + ignoreDimensions: true, + ignoreClear: true, + offsetX: dx, + offsetY: dy, + scaleWidth: dw, + scaleHeight: dh + }); + }; +} diff --git a/editor/config-sample.js b/editor/config-sample.js index 2c65cbca..608ba217 100644 --- a/editor/config-sample.js +++ b/editor/config-sample.js @@ -1,146 +1,146 @@ -// DO NOT EDIT THIS FILE! -// THIS FILE IS JUST A SAMPLE; TO APPLY, YOU MUST -// CREATE A NEW FILE config.js AND ADD CONTENTS -// SUCH AS SHOWN BELOW INTO THAT FILE. - -/* globals svgEditor */ -/* -The config.js file is intended for the setting of configuration or - preferences which must run early on; if this is not needed, it is - recommended that you create an extension instead (for greater - reusability and modularity). -*/ - -// CONFIG AND EXTENSION SETTING -/* -See defaultConfig and defaultExtensions in svg-editor.js for a list - of possible configuration settings. - -See svg-editor.js for documentation on using setConfig(). -*/ - -// URL OVERRIDE CONFIG -svgEditor.setConfig({ - /** - To override the ability for URLs to set URL-based SVG content, - uncomment the following: - */ - // preventURLContentLoading: true, - /** - To override the ability for URLs to set other configuration (including - extension config), uncomment the following: - */ - // preventAllURLConfig: true, - /** - To override the ability for URLs to set their own extensions, - uncomment the following (note that if setConfig() is used in - extension code, it will still be additive to extensions, - however): - */ - // lockExtensions: true, -}); - -svgEditor.setConfig({ - /* - Provide default values here which differ from that of the editor but - which the URL can override - */ -}, {allowInitialUserOverride: true}); - -// EXTENSION CONFIG -svgEditor.setConfig({ - extensions: [ - // 'ext-overview_window.js', 'ext-markers.js', 'ext-connector.js', 'ext-eyedropper.js', 'ext-shapes.js', 'ext-imagelib.js', 'ext-grid.js', 'ext-polygon.js', 'ext-star.js', 'ext-panning.js', 'ext-storage.js' - ] - // , noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in config.js or in the URL -}); - -// OTHER CONFIG -svgEditor.setConfig({ - // canvasName: 'default', - // canvas_expansion: 3, - // initFill: { - // color: 'FF0000', // solid red - // opacity: 1 - // }, - // initStroke: { - // width: 5, - // color: '000000', // solid black - // opacity: 1 - // }, - // initOpacity: 1, - // colorPickerCSS: null, - // initTool: 'select', - // exportWindowType: 'new', // 'same' - // wireframe: false, - // showlayers: false, - // no_save_warning: false, - // PATH CONFIGURATION - // imgPath: 'images/', - // langPath: 'locale/', - // extPath: 'extensions/', - // jGraduatePath: 'jgraduate/images/', - /* - Uncomment the following to allow at least same domain (embedded) access, - including file:// access. - Setting as `['*']` would allow any domain to access but would be unsafe to - data privacy and integrity. - */ - // allowedOrigins: [window.location.origin || 'null'], // May be 'null' (as a string) when used as a file:// URL - // DOCUMENT PROPERTIES - // dimensions: [640, 480], - // EDITOR OPTIONS - // gridSnapping: false, - // gridColor: '#000', - // baseUnit: 'px', - // snappingStep: 10, - // showRulers: true, - // EXTENSION-RELATED (GRID) - // showGrid: false, // Set by ext-grid.js - // EXTENSION-RELATED (STORAGE) - // noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage - // forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not - // emptyStorageOnDecline: true, // Used by ext-storage.js; empty any prior storage if the user declines to store -}); - -// PREF CHANGES -/** -setConfig() can also be used to set preferences in addition to - configuration (see defaultPrefs in svg-editor.js for a list of - possible settings), but at least if you are using ext-storage.js - to store preferences, it will probably be better to let your - users control these. -As with configuration, one may use allowInitialUserOverride, but - in the case of preferences, any previously stored preferences - will also thereby be enabled to override this setting (and at a - higher priority than any URL preference setting overrides). - Failing to use allowInitialUserOverride will ensure preferences - are hard-coded here regardless of URL or prior user storage setting. -*/ -svgEditor.setConfig( - { - // lang: '', // Set dynamically within locale.js if not previously set - // iconsize: '', // Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise - /** - * When showing the preferences dialog, svg-editor.js currently relies - * on curPrefs instead of $.pref, so allowing an override for bkgd_color - * means that this value won't have priority over block auto-detection as - * far as determining which color shows initially in the preferences - * dialog (though it can be changed and saved). - */ - // bkgd_color: '#FFF', - // bkgd_url: '', - // img_save: 'embed', - // Only shows in UI as far as alert notices - // save_notice_done: false, - // export_notice_done: false - } -); -svgEditor.setConfig( - { - // Indicate pref settings here if you wish to allow user storage or URL settings - // to be able to override your default preferences (unless other config options - // have already explicitly prevented one or the other) - }, - {allowInitialUserOverride: true} -); +// DO NOT EDIT THIS FILE! +// THIS FILE IS JUST A SAMPLE; TO APPLY, YOU MUST +// CREATE A NEW FILE config.js AND ADD CONTENTS +// SUCH AS SHOWN BELOW INTO THAT FILE. + +/* globals svgEditor */ +/* +The config.js file is intended for the setting of configuration or + preferences which must run early on; if this is not needed, it is + recommended that you create an extension instead (for greater + reusability and modularity). +*/ + +// CONFIG AND EXTENSION SETTING +/* +See defaultConfig and defaultExtensions in svg-editor.js for a list + of possible configuration settings. + +See svg-editor.js for documentation on using setConfig(). +*/ + +// URL OVERRIDE CONFIG +svgEditor.setConfig({ + /** + To override the ability for URLs to set URL-based SVG content, + uncomment the following: + */ + // preventURLContentLoading: true, + /** + To override the ability for URLs to set other configuration (including + extension config), uncomment the following: + */ + // preventAllURLConfig: true, + /** + To override the ability for URLs to set their own extensions, + uncomment the following (note that if setConfig() is used in + extension code, it will still be additive to extensions, + however): + */ + // lockExtensions: true, +}); + +svgEditor.setConfig({ + /* + Provide default values here which differ from that of the editor but + which the URL can override + */ +}, {allowInitialUserOverride: true}); + +// EXTENSION CONFIG +svgEditor.setConfig({ + extensions: [ + // 'ext-overview_window.js', 'ext-markers.js', 'ext-connector.js', 'ext-eyedropper.js', 'ext-shapes.js', 'ext-imagelib.js', 'ext-grid.js', 'ext-polygon.js', 'ext-star.js', 'ext-panning.js', 'ext-storage.js' + ] + // , noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in config.js or in the URL +}); + +// OTHER CONFIG +svgEditor.setConfig({ + // canvasName: 'default', + // canvas_expansion: 3, + // initFill: { + // color: 'FF0000', // solid red + // opacity: 1 + // }, + // initStroke: { + // width: 5, + // color: '000000', // solid black + // opacity: 1 + // }, + // initOpacity: 1, + // colorPickerCSS: null, + // initTool: 'select', + // exportWindowType: 'new', // 'same' + // wireframe: false, + // showlayers: false, + // no_save_warning: false, + // PATH CONFIGURATION + // imgPath: 'images/', + // langPath: 'locale/', + // extPath: 'extensions/', + // jGraduatePath: 'jgraduate/images/', + /* + Uncomment the following to allow at least same domain (embedded) access, + including file:// access. + Setting as `['*']` would allow any domain to access but would be unsafe to + data privacy and integrity. + */ + // allowedOrigins: [window.location.origin || 'null'], // May be 'null' (as a string) when used as a file:// URL + // DOCUMENT PROPERTIES + // dimensions: [640, 480], + // EDITOR OPTIONS + // gridSnapping: false, + // gridColor: '#000', + // baseUnit: 'px', + // snappingStep: 10, + // showRulers: true, + // EXTENSION-RELATED (GRID) + // showGrid: false, // Set by ext-grid.js + // EXTENSION-RELATED (STORAGE) + // noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage + // forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not + // emptyStorageOnDecline: true, // Used by ext-storage.js; empty any prior storage if the user declines to store +}); + +// PREF CHANGES +/** +setConfig() can also be used to set preferences in addition to + configuration (see defaultPrefs in svg-editor.js for a list of + possible settings), but at least if you are using ext-storage.js + to store preferences, it will probably be better to let your + users control these. +As with configuration, one may use allowInitialUserOverride, but + in the case of preferences, any previously stored preferences + will also thereby be enabled to override this setting (and at a + higher priority than any URL preference setting overrides). + Failing to use allowInitialUserOverride will ensure preferences + are hard-coded here regardless of URL or prior user storage setting. +*/ +svgEditor.setConfig( + { + // lang: '', // Set dynamically within locale.js if not previously set + // iconsize: '', // Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise + /** + * When showing the preferences dialog, svg-editor.js currently relies + * on curPrefs instead of $.pref, so allowing an override for bkgd_color + * means that this value won't have priority over block auto-detection as + * far as determining which color shows initially in the preferences + * dialog (though it can be changed and saved). + */ + // bkgd_color: '#FFF', + // bkgd_url: '', + // img_save: 'embed', + // Only shows in UI as far as alert notices + // save_notice_done: false, + // export_notice_done: false + } +); +svgEditor.setConfig( + { + // Indicate pref settings here if you wish to allow user storage or URL settings + // to be able to override your default preferences (unless other config options + // have already explicitly prevented one or the other) + }, + {allowInitialUserOverride: true} +); diff --git a/editor/contextmenu/jquery.contextMenu.js b/editor/contextmenu/jquery.contextMenu.js index 2c80ff06..7d02ac9d 100755 --- a/editor/contextmenu/jquery.contextMenu.js +++ b/editor/contextmenu/jquery.contextMenu.js @@ -1,205 +1,205 @@ -/* eslint-disable no-var */ -/* globals jQuery, $, svgedit */ -// jQuery Context Menu Plugin -// -// Version 1.01 -// -// Cory S.N. LaViska -// A Beautiful Site (https://abeautifulsite.net/) -// Modified by Alexis Deveria -// -// More info: https://abeautifulsite.net/2008/09/jquery-context-menu-plugin/ -// -// Terms of Use -// -// This plugin is dual-licensed under the GNU General Public License -// and the MIT License and is copyright A Beautiful Site, LLC. -// -if (jQuery) { - (function () { - var win = $(window); - var doc = $(document); - - $.extend($.fn, { - - contextMenu: function (o, callback) { - // Defaults - if (o.menu === undefined) return false; - if (o.inSpeed === undefined) o.inSpeed = 150; - if (o.outSpeed === undefined) o.outSpeed = 75; - // 0 needs to be -1 for expected results (no fade) - if (o.inSpeed === 0) o.inSpeed = -1; - if (o.outSpeed === 0) o.outSpeed = -1; - // Loop each context menu - $(this).each(function () { - var el = $(this); - var offset = $(el).offset(); - - var menu = $('#' + o.menu); - - // Add contextMenu class - menu.addClass('contextMenu'); - // Simulate a true right click - $(this).bind('mousedown', function (e) { - var evt = e; - $(this).mouseup(function (e) { - var srcElement = $(this); - srcElement.unbind('mouseup'); - if (evt.button === 2 || o.allowLeft || - (evt.ctrlKey && svgedit.browser.isMac())) { - e.stopPropagation(); - // Hide context menus that may be showing - $('.contextMenu').hide(); - // Get this context menu - - if (el.hasClass('disabled')) return false; - - // Detect mouse position - var x = e.pageX, y = e.pageY; - - var xOff = win.width() - menu.width(), - yOff = win.height() - menu.height(); - - if (x > xOff - 15) x = xOff - 15; - if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF - - // Show the menu - doc.unbind('click'); - menu.css({ top: y, left: x }).fadeIn(o.inSpeed); - // Hover events - menu.find('A').mouseover(function () { - menu.find('LI.hover').removeClass('hover'); - $(this).parent().addClass('hover'); - }).mouseout(function () { - menu.find('LI.hover').removeClass('hover'); - }); - - // Keyboard - doc.keypress(function (e) { - switch (e.keyCode) { - case 38: // up - if (!menu.find('LI.hover').length) { - menu.find('LI:last').addClass('hover'); - } else { - menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover'); - if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover'); - } - break; - case 40: // down - if (menu.find('LI.hover').length === 0) { - menu.find('LI:first').addClass('hover'); - } else { - menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover'); - if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover'); - } - break; - case 13: // enter - menu.find('LI.hover A').trigger('click'); - break; - case 27: // esc - doc.trigger('click'); - break; - } - }); - - // When items are selected - menu.find('A').unbind('mouseup'); - menu.find('LI:not(.disabled) A').mouseup(function () { - doc.unbind('click').unbind('keypress'); - $('.contextMenu').hide(); - // Callback - if (callback) callback($(this).attr('href').substr(1), $(srcElement), {x: x - offset.left, y: y - offset.top, docX: x, docY: y}); - return false; - }); - - // Hide bindings - setTimeout(function () { // Delay for Mozilla - doc.click(function () { - doc.unbind('click').unbind('keypress'); - menu.fadeOut(o.outSpeed); - return false; - }); - }, 0); - } - }); - }); - - // Disable text selection - if ($.browser.mozilla) { - $('#' + o.menu).each(function () { $(this).css({'MozUserSelect': 'none'}); }); - } else if ($.browser.msie) { - $('#' + o.menu).each(function () { $(this).bind('selectstart.disableTextSelect', function () { return false; }); }); - } else { - $('#' + o.menu).each(function () { $(this).bind('mousedown.disableTextSelect', function () { return false; }); }); - } - // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome) - $(el).add($('UL.contextMenu')).bind('contextmenu', function () { return false; }); - }); - return $(this); - }, - - // Disable context menu items on the fly - disableContextMenuItems: function (o) { - if (o === undefined) { - // Disable all - $(this).find('LI').addClass('disabled'); - return $(this); - } - $(this).each(function () { - if (o !== undefined) { - var d = o.split(','); - for (var i = 0; i < d.length; i++) { - $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled'); - } - } - }); - return $(this); - }, - - // Enable context menu items on the fly - enableContextMenuItems: function (o) { - if (o === undefined) { - // Enable all - $(this).find('LI.disabled').removeClass('disabled'); - return $(this); - } - $(this).each(function () { - if (o !== undefined) { - var d = o.split(','); - for (var i = 0; i < d.length; i++) { - $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled'); - } - } - }); - return $(this); - }, - - // Disable context menu(s) - disableContextMenu: function () { - $(this).each(function () { - $(this).addClass('disabled'); - }); - return $(this); - }, - - // Enable context menu(s) - enableContextMenu: function () { - $(this).each(function () { - $(this).removeClass('disabled'); - }); - return $(this); - }, - - // Destroy context menu(s) - destroyContextMenu: function () { - // Destroy specified context menus - $(this).each(function () { - // Disable action - $(this).unbind('mousedown').unbind('mouseup'); - }); - return $(this); - } - - }); - })(jQuery); -} +/* eslint-disable no-var */ +/* globals jQuery, $, svgedit */ +// jQuery Context Menu Plugin +// +// Version 1.01 +// +// Cory S.N. LaViska +// A Beautiful Site (https://abeautifulsite.net/) +// Modified by Alexis Deveria +// +// More info: https://abeautifulsite.net/2008/09/jquery-context-menu-plugin/ +// +// Terms of Use +// +// This plugin is dual-licensed under the GNU General Public License +// and the MIT License and is copyright A Beautiful Site, LLC. +// +if (jQuery) { + (function () { + var win = $(window); + var doc = $(document); + + $.extend($.fn, { + + contextMenu: function (o, callback) { + // Defaults + if (o.menu === undefined) return false; + if (o.inSpeed === undefined) o.inSpeed = 150; + if (o.outSpeed === undefined) o.outSpeed = 75; + // 0 needs to be -1 for expected results (no fade) + if (o.inSpeed === 0) o.inSpeed = -1; + if (o.outSpeed === 0) o.outSpeed = -1; + // Loop each context menu + $(this).each(function () { + var el = $(this); + var offset = $(el).offset(); + + var menu = $('#' + o.menu); + + // Add contextMenu class + menu.addClass('contextMenu'); + // Simulate a true right click + $(this).bind('mousedown', function (e) { + var evt = e; + $(this).mouseup(function (e) { + var srcElement = $(this); + srcElement.unbind('mouseup'); + if (evt.button === 2 || o.allowLeft || + (evt.ctrlKey && svgedit.browser.isMac())) { + e.stopPropagation(); + // Hide context menus that may be showing + $('.contextMenu').hide(); + // Get this context menu + + if (el.hasClass('disabled')) return false; + + // Detect mouse position + var x = e.pageX, y = e.pageY; + + var xOff = win.width() - menu.width(), + yOff = win.height() - menu.height(); + + if (x > xOff - 15) x = xOff - 15; + if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF + + // Show the menu + doc.unbind('click'); + menu.css({ top: y, left: x }).fadeIn(o.inSpeed); + // Hover events + menu.find('A').mouseover(function () { + menu.find('LI.hover').removeClass('hover'); + $(this).parent().addClass('hover'); + }).mouseout(function () { + menu.find('LI.hover').removeClass('hover'); + }); + + // Keyboard + doc.keypress(function (e) { + switch (e.keyCode) { + case 38: // up + if (!menu.find('LI.hover').length) { + menu.find('LI:last').addClass('hover'); + } else { + menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover'); + if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover'); + } + break; + case 40: // down + if (menu.find('LI.hover').length === 0) { + menu.find('LI:first').addClass('hover'); + } else { + menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover'); + if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover'); + } + break; + case 13: // enter + menu.find('LI.hover A').trigger('click'); + break; + case 27: // esc + doc.trigger('click'); + break; + } + }); + + // When items are selected + menu.find('A').unbind('mouseup'); + menu.find('LI:not(.disabled) A').mouseup(function () { + doc.unbind('click').unbind('keypress'); + $('.contextMenu').hide(); + // Callback + if (callback) callback($(this).attr('href').substr(1), $(srcElement), {x: x - offset.left, y: y - offset.top, docX: x, docY: y}); + return false; + }); + + // Hide bindings + setTimeout(function () { // Delay for Mozilla + doc.click(function () { + doc.unbind('click').unbind('keypress'); + menu.fadeOut(o.outSpeed); + return false; + }); + }, 0); + } + }); + }); + + // Disable text selection + if ($.browser.mozilla) { + $('#' + o.menu).each(function () { $(this).css({'MozUserSelect': 'none'}); }); + } else if ($.browser.msie) { + $('#' + o.menu).each(function () { $(this).bind('selectstart.disableTextSelect', function () { return false; }); }); + } else { + $('#' + o.menu).each(function () { $(this).bind('mousedown.disableTextSelect', function () { return false; }); }); + } + // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome) + $(el).add($('UL.contextMenu')).bind('contextmenu', function () { return false; }); + }); + return $(this); + }, + + // Disable context menu items on the fly + disableContextMenuItems: function (o) { + if (o === undefined) { + // Disable all + $(this).find('LI').addClass('disabled'); + return $(this); + } + $(this).each(function () { + if (o !== undefined) { + var d = o.split(','); + for (var i = 0; i < d.length; i++) { + $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled'); + } + } + }); + return $(this); + }, + + // Enable context menu items on the fly + enableContextMenuItems: function (o) { + if (o === undefined) { + // Enable all + $(this).find('LI.disabled').removeClass('disabled'); + return $(this); + } + $(this).each(function () { + if (o !== undefined) { + var d = o.split(','); + for (var i = 0; i < d.length; i++) { + $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled'); + } + } + }); + return $(this); + }, + + // Disable context menu(s) + disableContextMenu: function () { + $(this).each(function () { + $(this).addClass('disabled'); + }); + return $(this); + }, + + // Enable context menu(s) + enableContextMenu: function () { + $(this).each(function () { + $(this).removeClass('disabled'); + }); + return $(this); + }, + + // Destroy context menu(s) + destroyContextMenu: function () { + // Destroy specified context menus + $(this).each(function () { + // Disable action + $(this).unbind('mousedown').unbind('mouseup'); + }); + return $(this); + } + + }); + })(jQuery); +} diff --git a/editor/embedapi.js b/editor/embedapi.js index 636a24bb..0a20732b 100644 --- a/editor/embedapi.js +++ b/editor/embedapi.js @@ -45,7 +45,7 @@ function getCallbackSetter (d) { return function () { var t = this, // New callback args = [].slice.call(arguments), - cbid = t.send(d, args, function () {}); // The callback (currently it's nothing, but will be set later) + cbid = t.send(d, args, function () {}); // The callback (currently it's nothing, but will be set later) return function (newcallback) { t.callbacks[cbid] = newcallback; // Set callback diff --git a/editor/extensions/ext-imagelib.js b/editor/extensions/ext-imagelib.js index 5cbd1094..ca723273 100644 --- a/editor/extensions/ext-imagelib.js +++ b/editor/extensions/ext-imagelib.js @@ -1,456 +1,456 @@ -/* eslint-disable no-var */ -/* globals $, svgEditor, svgedit, svgCanvas, DOMParser */ -/* - * ext-imagelib.js - * - * Licensed under the MIT License - * - * Copyright(c) 2010 Alexis Deveria - * - */ - -svgEditor.addExtension('imagelib', function () { - 'use strict'; - - var uiStrings = svgEditor.uiStrings; - - $.extend(uiStrings, { - imagelib: { - select_lib: 'Select an image library', - show_list: 'Show library list', - import_single: 'Import single', - import_multi: 'Import multiple', - open: 'Open as new document' - } - }); - - var imgLibs = [ - { - name: 'Demo library (local)', - url: svgEditor.curConfig.extPath + 'imagelib/index.html', - description: 'Demonstration library for SVG-edit on this server' - }, - { - name: 'IAN Symbol Libraries', - url: 'https://ian.umces.edu/symbols/catalog/svgedit/album_chooser.php', - description: 'Free library of illustrations' - }, - { - name: 'Openclipart', - url: 'https://openclipart.org/svgedit', - description: 'Share and Use Images. Over 50,000 Public Domain SVG Images and Growing.' - } - ]; - - function closeBrowser () { - $('#imgbrowse_holder').hide(); - } - - function importImage (url) { - var newImage = svgCanvas.addSvgElementFromJson({ - 'element': 'image', - 'attr': { - 'x': 0, - 'y': 0, - 'width': 0, - 'height': 0, - 'id': svgCanvas.getNextId(), - 'style': 'pointer-events:inherit' - } - }); - svgCanvas.clearSelection(); - svgCanvas.addToSelection([newImage]); - svgCanvas.setImageURL(url); - } - - var mode = 's'; - var multiArr = []; - var transferStopped = false; - var pending = {}; - var preview, submit; - - window.addEventListener('message', function (evt) { - // Receive postMessage data - var response = evt.data; - - if (!response || typeof response !== 'string') { // Todo: Should namespace postMessage API for this extension and filter out here - // Do nothing - return; - } - try { // This block can be removed if embedAPI moves away from a string to an object (if IE9 support not needed) - var res = JSON.parse(response); - if (res.namespace) { // Part of embedAPI communications - return; - } - } catch (e) {} - - var char1 = response.charAt(0); - var id; - var svgStr; - var imgStr; - - if (char1 !== '{' && transferStopped) { - transferStopped = false; - return; - } - - if (char1 === '|') { - var secondpos = response.indexOf('|', 1); - id = response.substr(1, secondpos - 1); - response = response.substr(secondpos + 1); - char1 = response.charAt(0); - } - - // Hide possible transfer dialog box - $('#dialog_box').hide(); - var entry, curMeta; - switch (char1) { - case '{': - // Metadata - transferStopped = false; - curMeta = JSON.parse(response); - - pending[curMeta.id] = curMeta; - - var name = (curMeta.name || 'file'); - - var message = uiStrings.notification.retrieving.replace('%s', name); - - if (mode !== 'm') { - $.process_cancel(message, function () { - transferStopped = true; - // Should a message be sent back to the frame? - - $('#dialog_box').hide(); - }); - } else { - entry = $('
' + message + '
').data('id', curMeta.id); - preview.append(entry); - curMeta.entry = entry; - } - - return; - case '<': - svgStr = true; - break; - case 'd': - if (response.indexOf('data:image/svg+xml') === 0) { - var pre = 'data:image/svg+xml;base64,'; - var src = response.substring(pre.length); - response = svgedit.utilities.decode64(src); - svgStr = true; - break; - } else if (response.indexOf('data:image/') === 0) { - imgStr = true; - break; - } - // Else fall through - default: - // TODO: See if there's a way to base64 encode the binary data stream - // var str = 'data:;base64,' + svgedit.utilities.encode64(response, true); - - // Assume it's raw image data - // importImage(str); - - // Don't give warning as postMessage may have been used by something else - if (mode !== 'm') { - closeBrowser(); - } else { - pending[id].entry.remove(); - } - // $.alert('Unexpected data was returned: ' + response, function() { - // if (mode !== 'm') { - // closeBrowser(); - // } else { - // pending[id].entry.remove(); - // } - // }); - return; - } - - switch (mode) { - case 's': - // Import one - if (svgStr) { - svgCanvas.importSvgString(response); - } else if (imgStr) { - importImage(response); - } - closeBrowser(); - break; - case 'm': - // Import multiple - multiArr.push([(svgStr ? 'svg' : 'img'), response]); - var title; - curMeta = pending[id]; - if (svgStr) { - if (curMeta && curMeta.name) { - title = curMeta.name; - } else { - // Try to find a title - var xml = new DOMParser().parseFromString(response, 'text/xml').documentElement; - title = $(xml).children('title').first().text() || '(SVG #' + response.length + ')'; - } - if (curMeta) { - preview.children().each(function () { - if ($(this).data('id') === id) { - if (curMeta.preview_url) { - $(this).html('' + title); - } else { - $(this).text(title); - } - submit.removeAttr('disabled'); - } - }); - } else { - preview.append('
' + title + '
'); - submit.removeAttr('disabled'); - } - } else { - if (curMeta && curMeta.preview_url) { - title = curMeta.name || ''; - } - if (curMeta && curMeta.preview_url) { - entry = '' + title; - } else { - entry = ''; - } - - if (curMeta) { - preview.children().each(function () { - if ($(this).data('id') === id) { - $(this).html(entry); - submit.removeAttr('disabled'); - } - }); - } else { - preview.append($('
').append(entry)); - submit.removeAttr('disabled'); - } - } - break; - case 'o': - // Open - if (!svgStr) { break; } - svgEditor.openPrep(function (ok) { - if (!ok) { return; } - svgCanvas.clear(); - svgCanvas.setSvgString(response); - // updateCanvas(); - }); - closeBrowser(); - break; - } - }, true); - - function toggleMulti (show) { - $('#lib_framewrap, #imglib_opts').css({right: (show ? 200 : 10)}); - if (!preview) { - preview = $('
').css({ - position: 'absolute', - top: 45, - right: 10, - width: 180, - bottom: 45, - background: '#fff', - overflow: 'auto' - }).insertAfter('#lib_framewrap'); - - submit = $('') - .appendTo('#imgbrowse') - .on('click touchend', function () { - $.each(multiArr, function (i) { - var type = this[0]; - var data = this[1]; - if (type === 'svg') { - svgCanvas.importSvgString(data); - } else { - importImage(data); - } - svgCanvas.moveSelectedElements(i * 20, i * 20, false); - }); - preview.empty(); - multiArr = []; - $('#imgbrowse_holder').hide(); - }).css({ - position: 'absolute', - bottom: 10, - right: -10 - }); - } - - preview.toggle(show); - submit.toggle(show); - } - - function showBrowser () { - var browser = $('#imgbrowse'); - if (!browser.length) { - $('
' + - '
').insertAfter('#svg_docprops'); - browser = $('#imgbrowse'); - - var allLibs = uiStrings.imagelib.select_lib; - - var libOpts = $('