| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| |
| |
| dojo.provide("dojo.gfx.svg"); |
| dojo.require("dojo.lang.declare"); |
| dojo.require("dojo.svg"); |
| dojo.require("dojo.gfx.color"); |
| dojo.require("dojo.gfx.common"); |
| dojo.require("dojo.gfx.shape"); |
| dojo.require("dojo.gfx.path"); |
| dojo.require("dojo.experimental"); |
| dojo.experimental("dojo.gfx.svg"); |
| dojo.gfx.svg.getRef = function (fill) { |
| if (!fill || fill == "none") { |
| return null; |
| } |
| if (fill.match(/^url\(#.+\)$/)) { |
| return dojo.byId(fill.slice(5, -1)); |
| } |
| if (dojo.render.html.opera && fill.match(/^#dj_unique_.+$/)) { |
| return dojo.byId(fill.slice(1)); |
| } |
| return null; |
| }; |
| dojo.lang.extend(dojo.gfx.Shape, {setFill:function (fill) { |
| if (!fill) { |
| this.fillStyle = null; |
| this.rawNode.setAttribute("fill", "none"); |
| this.rawNode.setAttribute("fill-opacity", 0); |
| return this; |
| } |
| if (typeof (fill) == "object" && "type" in fill) { |
| switch (fill.type) { |
| case "linear": |
| var f = dojo.gfx.makeParameters(dojo.gfx.defaultLinearGradient, fill); |
| var gradient = this._setFillObject(f, "linearGradient"); |
| dojo.lang.forEach(["x1", "y1", "x2", "y2"], function (x) { |
| gradient.setAttribute(x, f[x].toFixed(8)); |
| }); |
| break; |
| case "radial": |
| var f = dojo.gfx.makeParameters(dojo.gfx.defaultRadialGradient, fill); |
| var gradient = this._setFillObject(f, "radialGradient"); |
| dojo.lang.forEach(["cx", "cy", "r"], function (x) { |
| gradient.setAttribute(x, f[x].toFixed(8)); |
| }); |
| break; |
| case "pattern": |
| var f = dojo.gfx.makeParameters(dojo.gfx.defaultPattern, fill); |
| var pattern = this._setFillObject(f, "pattern"); |
| dojo.lang.forEach(["x", "y", "width", "height"], function (x) { |
| pattern.setAttribute(x, f[x].toFixed(8)); |
| }); |
| break; |
| } |
| return this; |
| } |
| var f = dojo.gfx.normalizeColor(fill); |
| this.fillStyle = f; |
| this.rawNode.setAttribute("fill", f.toCss()); |
| this.rawNode.setAttribute("fill-opacity", f.a); |
| return this; |
| }, setStroke:function (stroke) { |
| if (!stroke) { |
| this.strokeStyle = null; |
| this.rawNode.setAttribute("stroke", "none"); |
| this.rawNode.setAttribute("stroke-opacity", 0); |
| return this; |
| } |
| this.strokeStyle = dojo.gfx.makeParameters(dojo.gfx.defaultStroke, stroke); |
| this.strokeStyle.color = dojo.gfx.normalizeColor(this.strokeStyle.color); |
| var s = this.strokeStyle; |
| var rn = this.rawNode; |
| if (s) { |
| rn.setAttribute("stroke", s.color.toCss()); |
| rn.setAttribute("stroke-opacity", s.color.a); |
| rn.setAttribute("stroke-width", s.width); |
| rn.setAttribute("stroke-linecap", s.cap); |
| if (typeof (s.join) == "number") { |
| rn.setAttribute("stroke-linejoin", "miter"); |
| rn.setAttribute("stroke-miterlimit", s.join); |
| } else { |
| rn.setAttribute("stroke-linejoin", s.join); |
| } |
| } |
| return this; |
| }, _setFillObject:function (f, nodeType) { |
| var def_elems = this.rawNode.parentNode.getElementsByTagName("defs"); |
| if (def_elems.length == 0) { |
| return this; |
| } |
| this.fillStyle = f; |
| var defs = def_elems[0]; |
| var fill = this.rawNode.getAttribute("fill"); |
| var ref = dojo.gfx.svg.getRef(fill); |
| if (ref) { |
| fill = ref; |
| if (fill.tagName.toLowerCase() != nodeType.toLowerCase()) { |
| var id = fill.id; |
| fill.parentNode.removeChild(fill); |
| fill = document.createElementNS(dojo.svg.xmlns.svg, nodeType); |
| fill.setAttribute("id", id); |
| defs.appendChild(fill); |
| } else { |
| while (fill.childNodes.length) { |
| fill.removeChild(fill.lastChild); |
| } |
| } |
| } else { |
| fill = document.createElementNS(dojo.svg.xmlns.svg, nodeType); |
| fill.setAttribute("id", dojo.dom.getUniqueId()); |
| defs.appendChild(fill); |
| } |
| if (nodeType == "pattern") { |
| fill.setAttribute("patternUnits", "userSpaceOnUse"); |
| var img = document.createElementNS(dojo.svg.xmlns.svg, "image"); |
| img.setAttribute("x", 0); |
| img.setAttribute("y", 0); |
| img.setAttribute("width", f.width.toFixed(8)); |
| img.setAttribute("height", f.height.toFixed(8)); |
| img.setAttributeNS(dojo.svg.xmlns.xlink, "href", f.src); |
| fill.appendChild(img); |
| } else { |
| fill.setAttribute("gradientUnits", "userSpaceOnUse"); |
| for (var i = 0; i < f.colors.length; ++i) { |
| f.colors[i].color = dojo.gfx.normalizeColor(f.colors[i].color); |
| var t = document.createElementNS(dojo.svg.xmlns.svg, "stop"); |
| t.setAttribute("offset", f.colors[i].offset.toFixed(8)); |
| t.setAttribute("stop-color", f.colors[i].color.toCss()); |
| fill.appendChild(t); |
| } |
| } |
| this.rawNode.setAttribute("fill", "url(#" + fill.getAttribute("id") + ")"); |
| this.rawNode.removeAttribute("fill-opacity"); |
| return fill; |
| }, _applyTransform:function () { |
| var matrix = this._getRealMatrix(); |
| if (matrix) { |
| var tm = this.matrix; |
| this.rawNode.setAttribute("transform", "matrix(" + tm.xx.toFixed(8) + "," + tm.yx.toFixed(8) + "," + tm.xy.toFixed(8) + "," + tm.yy.toFixed(8) + "," + tm.dx.toFixed(8) + "," + tm.dy.toFixed(8) + ")"); |
| } else { |
| this.rawNode.removeAttribute("transform"); |
| } |
| return this; |
| }, setRawNode:function (rawNode) { |
| with (rawNode) { |
| setAttribute("fill", "none"); |
| setAttribute("fill-opacity", 0); |
| setAttribute("stroke", "none"); |
| setAttribute("stroke-opacity", 0); |
| setAttribute("stroke-width", 1); |
| setAttribute("stroke-linecap", "butt"); |
| setAttribute("stroke-linejoin", "miter"); |
| setAttribute("stroke-miterlimit", 4); |
| } |
| this.rawNode = rawNode; |
| }, moveToFront:function () { |
| this.rawNode.parentNode.appendChild(this.rawNode); |
| return this; |
| }, moveToBack:function () { |
| this.rawNode.parentNode.insertBefore(this.rawNode, this.rawNode.parentNode.firstChild); |
| return this; |
| }, setShape:function (newShape) { |
| this.shape = dojo.gfx.makeParameters(this.shape, newShape); |
| for (var i in this.shape) { |
| if (i != "type") { |
| this.rawNode.setAttribute(i, this.shape[i]); |
| } |
| } |
| return this; |
| }, attachFill:function (rawNode) { |
| var fillStyle = null; |
| if (rawNode) { |
| var fill = rawNode.getAttribute("fill"); |
| if (fill == "none") { |
| return; |
| } |
| var ref = dojo.gfx.svg.getRef(fill); |
| if (ref) { |
| var gradient = ref; |
| switch (gradient.tagName.toLowerCase()) { |
| case "lineargradient": |
| fillStyle = this._getGradient(dojo.gfx.defaultLinearGradient, gradient); |
| dojo.lang.forEach(["x1", "y1", "x2", "y2"], function (x) { |
| fillStyle[x] = gradient.getAttribute(x); |
| }); |
| break; |
| case "radialgradient": |
| fillStyle = this._getGradient(dojo.gfx.defaultRadialGradient, gradient); |
| dojo.lang.forEach(["cx", "cy", "r"], function (x) { |
| fillStyle[x] = gradient.getAttribute(x); |
| }); |
| fillStyle.cx = gradient.getAttribute("cx"); |
| fillStyle.cy = gradient.getAttribute("cy"); |
| fillStyle.r = gradient.getAttribute("r"); |
| break; |
| case "pattern": |
| fillStyle = dojo.lang.shallowCopy(dojo.gfx.defaultPattern, true); |
| dojo.lang.forEach(["x", "y", "width", "height"], function (x) { |
| fillStyle[x] = gradient.getAttribute(x); |
| }); |
| fillStyle.src = gradient.firstChild.getAttributeNS(dojo.svg.xmlns.xlink, "href"); |
| break; |
| } |
| } else { |
| fillStyle = new dojo.gfx.color.Color(fill); |
| var opacity = rawNode.getAttribute("fill-opacity"); |
| if (opacity != null) { |
| fillStyle.a = opacity; |
| } |
| } |
| } |
| return fillStyle; |
| }, _getGradient:function (defaultGradient, gradient) { |
| var fillStyle = dojo.lang.shallowCopy(defaultGradient, true); |
| fillStyle.colors = []; |
| for (var i = 0; i < gradient.childNodes.length; ++i) { |
| fillStyle.colors.push({offset:gradient.childNodes[i].getAttribute("offset"), color:new dojo.gfx.color.Color(gradient.childNodes[i].getAttribute("stop-color"))}); |
| } |
| return fillStyle; |
| }, attachStroke:function (rawNode) { |
| if (!rawNode) { |
| return; |
| } |
| var stroke = rawNode.getAttribute("stroke"); |
| if (stroke == null || stroke == "none") { |
| return null; |
| } |
| var strokeStyle = dojo.lang.shallowCopy(dojo.gfx.defaultStroke, true); |
| var color = new dojo.gfx.color.Color(stroke); |
| if (color) { |
| strokeStyle.color = color; |
| strokeStyle.color.a = rawNode.getAttribute("stroke-opacity"); |
| strokeStyle.width = rawNode.getAttribute("stroke-width"); |
| strokeStyle.cap = rawNode.getAttribute("stroke-linecap"); |
| strokeStyle.join = rawNode.getAttribute("stroke-linejoin"); |
| if (strokeStyle.join == "miter") { |
| strokeStyle.join = rawNode.getAttribute("stroke-miterlimit"); |
| } |
| } |
| return strokeStyle; |
| }, attachTransform:function (rawNode) { |
| var matrix = null; |
| if (rawNode) { |
| matrix = rawNode.getAttribute("transform"); |
| if (matrix.match(/^matrix\(.+\)$/)) { |
| var t = matrix.slice(7, -1).split(","); |
| matrix = dojo.gfx.matrix.normalize({xx:parseFloat(t[0]), xy:parseFloat(t[2]), yx:parseFloat(t[1]), yy:parseFloat(t[3]), dx:parseFloat(t[4]), dy:parseFloat(t[5])}); |
| } |
| } |
| return matrix; |
| }, attachShape:function (rawNode) { |
| var shape = null; |
| if (rawNode) { |
| shape = dojo.lang.shallowCopy(this.shape, true); |
| for (var i in shape) { |
| shape[i] = rawNode.getAttribute(i); |
| } |
| } |
| return shape; |
| }, attach:function (rawNode) { |
| if (rawNode) { |
| this.rawNode = rawNode; |
| this.fillStyle = this.attachFill(rawNode); |
| this.strokeStyle = this.attachStroke(rawNode); |
| this.matrix = this.attachTransform(rawNode); |
| this.shape = this.attachShape(rawNode); |
| } |
| }}); |
| dojo.declare("dojo.gfx.Group", dojo.gfx.Shape, {setRawNode:function (rawNode) { |
| this.rawNode = rawNode; |
| }}); |
| dojo.gfx.Group.nodeType = "g"; |
| dojo.declare("dojo.gfx.Rect", dojo.gfx.shape.Rect, {attachShape:function (rawNode) { |
| var shape = null; |
| if (rawNode) { |
| shape = dojo.gfx.Rect.superclass.attachShape.apply(this, arguments); |
| shape.r = Math.min(rawNode.getAttribute("rx"), rawNode.getAttribute("ry")); |
| } |
| return shape; |
| }, setShape:function (newShape) { |
| this.shape = dojo.gfx.makeParameters(this.shape, newShape); |
| this.bbox = null; |
| for (var i in this.shape) { |
| if (i != "type" && i != "r") { |
| this.rawNode.setAttribute(i, this.shape[i]); |
| } |
| } |
| this.rawNode.setAttribute("rx", this.shape.r); |
| this.rawNode.setAttribute("ry", this.shape.r); |
| return this; |
| }}); |
| dojo.gfx.Rect.nodeType = "rect"; |
| dojo.gfx.Ellipse = dojo.gfx.shape.Ellipse; |
| dojo.gfx.Ellipse.nodeType = "ellipse"; |
| dojo.gfx.Circle = dojo.gfx.shape.Circle; |
| dojo.gfx.Circle.nodeType = "circle"; |
| dojo.gfx.Line = dojo.gfx.shape.Line; |
| dojo.gfx.Line.nodeType = "line"; |
| dojo.declare("dojo.gfx.Polyline", dojo.gfx.shape.Polyline, {setShape:function (points) { |
| if (points && points instanceof Array) { |
| this.shape = dojo.gfx.makeParameters(this.shape, {points:points}); |
| if (closed && this.shape.points.length) { |
| this.shape.points.push(this.shape.points[0]); |
| } |
| } else { |
| this.shape = dojo.gfx.makeParameters(this.shape, points); |
| } |
| this.box = null; |
| var attr = []; |
| var p = this.shape.points; |
| for (var i = 0; i < p.length; ++i) { |
| attr.push(p[i].x.toFixed(8)); |
| attr.push(p[i].y.toFixed(8)); |
| } |
| this.rawNode.setAttribute("points", attr.join(" ")); |
| return this; |
| }}); |
| dojo.gfx.Polyline.nodeType = "polyline"; |
| dojo.declare("dojo.gfx.Image", dojo.gfx.shape.Image, {setShape:function (newShape) { |
| this.shape = dojo.gfx.makeParameters(this.shape, newShape); |
| this.bbox = null; |
| var rawNode = this.rawNode; |
| for (var i in this.shape) { |
| if (i != "type" && i != "src") { |
| rawNode.setAttribute(i, this.shape[i]); |
| } |
| } |
| rawNode.setAttributeNS(dojo.svg.xmlns.xlink, "href", this.shape.src); |
| return this; |
| }, setStroke:function () { |
| return this; |
| }, setFill:function () { |
| return this; |
| }, attachStroke:function (rawNode) { |
| return null; |
| }, attachFill:function (rawNode) { |
| return null; |
| }}); |
| dojo.gfx.Image.nodeType = "image"; |
| dojo.declare("dojo.gfx.Path", dojo.gfx.path.Path, {_updateWithSegment:function (segment) { |
| dojo.gfx.Path.superclass._updateWithSegment.apply(this, arguments); |
| if (typeof (this.shape.path) == "string") { |
| this.rawNode.setAttribute("d", this.shape.path); |
| } |
| }, setShape:function (newShape) { |
| dojo.gfx.Path.superclass.setShape.apply(this, arguments); |
| this.rawNode.setAttribute("d", this.shape.path); |
| return this; |
| }}); |
| dojo.gfx.Path.nodeType = "path"; |
| dojo.gfx._creators = {createPath:function (path) { |
| return this.createObject(dojo.gfx.Path, path); |
| }, createRect:function (rect) { |
| return this.createObject(dojo.gfx.Rect, rect); |
| }, createCircle:function (circle) { |
| return this.createObject(dojo.gfx.Circle, circle); |
| }, createEllipse:function (ellipse) { |
| return this.createObject(dojo.gfx.Ellipse, ellipse); |
| }, createLine:function (line) { |
| return this.createObject(dojo.gfx.Line, line); |
| }, createPolyline:function (points) { |
| return this.createObject(dojo.gfx.Polyline, points); |
| }, createImage:function (image) { |
| return this.createObject(dojo.gfx.Image, image); |
| }, createGroup:function () { |
| return this.createObject(dojo.gfx.Group); |
| }, createObject:function (shapeType, rawShape) { |
| if (!this.rawNode) { |
| return null; |
| } |
| var shape = new shapeType(); |
| var node = document.createElementNS(dojo.svg.xmlns.svg, shapeType.nodeType); |
| shape.setRawNode(node); |
| this.rawNode.appendChild(node); |
| shape.setShape(rawShape); |
| this.add(shape); |
| return shape; |
| }, add:function (shape) { |
| var oldParent = shape.getParent(); |
| if (oldParent) { |
| oldParent.remove(shape, true); |
| } |
| shape._setParent(this, null); |
| this.rawNode.appendChild(shape.rawNode); |
| return this; |
| }, remove:function (shape, silently) { |
| if (this.rawNode == shape.rawNode.parentNode) { |
| this.rawNode.removeChild(shape.rawNode); |
| } |
| shape._setParent(null, null); |
| return this; |
| }}; |
| dojo.gfx.attachNode = function (node) { |
| if (!node) { |
| return null; |
| } |
| var s = null; |
| switch (node.tagName.toLowerCase()) { |
| case dojo.gfx.Rect.nodeType: |
| s = new dojo.gfx.Rect(); |
| break; |
| case dojo.gfx.Ellipse.nodeType: |
| s = new dojo.gfx.Ellipse(); |
| break; |
| case dojo.gfx.Polyline.nodeType: |
| s = new dojo.gfx.Polyline(); |
| break; |
| case dojo.gfx.Path.nodeType: |
| s = new dojo.gfx.Path(); |
| break; |
| case dojo.gfx.Circle.nodeType: |
| s = new dojo.gfx.Circle(); |
| break; |
| case dojo.gfx.Line.nodeType: |
| s = new dojo.gfx.Line(); |
| break; |
| case dojo.gfx.Image.nodeType: |
| s = new dojo.gfx.Image(); |
| break; |
| default: |
| dojo.debug("FATAL ERROR! tagName = " + node.tagName); |
| } |
| s.attach(node); |
| return s; |
| }; |
| dojo.lang.extend(dojo.gfx.Surface, {setDimensions:function (width, height) { |
| if (!this.rawNode) { |
| return this; |
| } |
| this.rawNode.setAttribute("width", width); |
| this.rawNode.setAttribute("height", height); |
| return this; |
| }, getDimensions:function () { |
| return this.rawNode ? {width:this.rawNode.getAttribute("width"), height:this.rawNode.getAttribute("height")} : null; |
| }}); |
| dojo.gfx.createSurface = function (parentNode, width, height) { |
| var s = new dojo.gfx.Surface(); |
| s.rawNode = document.createElementNS(dojo.svg.xmlns.svg, "svg"); |
| s.rawNode.setAttribute("width", width); |
| s.rawNode.setAttribute("height", height); |
| var defs = new dojo.gfx.svg.Defines(); |
| var node = document.createElementNS(dojo.svg.xmlns.svg, dojo.gfx.svg.Defines.nodeType); |
| defs.setRawNode(node); |
| s.rawNode.appendChild(node); |
| dojo.byId(parentNode).appendChild(s.rawNode); |
| return s; |
| }; |
| dojo.gfx.attachSurface = function (node) { |
| var s = new dojo.gfx.Surface(); |
| s.rawNode = node; |
| return s; |
| }; |
| dojo.lang.extend(dojo.gfx.Group, dojo.gfx._creators); |
| dojo.lang.extend(dojo.gfx.Surface, dojo.gfx._creators); |
| delete dojo.gfx._creators; |
| dojo.gfx.svg.Defines = function () { |
| this.rawNode = null; |
| }; |
| dojo.lang.extend(dojo.gfx.svg.Defines, {setRawNode:function (rawNode) { |
| this.rawNode = rawNode; |
| }}); |
| dojo.gfx.svg.Defines.nodeType = "defs"; |
| |
