363 lines
11 KiB
JavaScript
363 lines
11 KiB
JavaScript
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dojo.require("dojox.gfx.vml");
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dojo.experimental("dojox.gfx.vml_attach");
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(function(){
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dojox.gfx.attachNode = function(node){
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// summary: creates a shape from a Node
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// node: Node: an VML node
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if(!node) return null;
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var s = null;
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switch(node.tagName.toLowerCase()){
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case dojox.gfx.Rect.nodeType:
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s = new dojox.gfx.Rect(node);
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attachRect(s);
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break;
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case dojox.gfx.Ellipse.nodeType:
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if(node.style.width == node.style.height){
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s = new dojox.gfx.Circle(node);
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attachCircle(s);
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}else{
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s = new dojox.gfx.Ellipse(node);
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attachEllipse(s);
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}
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break;
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case dojox.gfx.Path.nodeType:
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switch(node.getAttribute("dojoGfxType")){
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case "line":
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s = new dojox.gfx.Line(node);
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attachLine(s);
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break;
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case "polyline":
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s = new dojox.gfx.Polyline(node);
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attachPolyline(s);
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break;
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case "path":
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s = new dojox.gfx.Path(node);
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attachPath(s);
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break;
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case "text":
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s = new dojox.gfx.Text(node);
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attachText(s);
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attachFont(s);
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attachTextTransform(s);
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break;
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case "textpath":
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s = new dojox.gfx.TextPath(node);
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attachPath(s);
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attachText(s);
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attachFont(s);
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break;
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}
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break;
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case dojox.gfx.Image.nodeType:
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switch(node.getAttribute("dojoGfxType")){
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case "image":
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s = new dojox.gfx.Image(node);
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attachImage(s);
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attachImageTransform(s);
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break;
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}
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break;
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default:
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//console.debug("FATAL ERROR! tagName = " + node.tagName);
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return null;
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}
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if(!(s instanceof dojox.gfx.Image)){
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attachFill(s);
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attachStroke(s);
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if(!(s instanceof dojox.gfx.Text)){
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attachTransform(s);
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}
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}
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return s; // dojox.gfx.Shape
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};
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dojox.gfx.attachSurface = function(node){
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// summary: creates a surface from a Node
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// node: Node: an VML node
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var s = new dojox.gfx.Surface();
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s.clipNode = node;
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var r = s.rawNode = node.firstChild;
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var b = r.firstChild;
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if(!b || b.tagName != "rect"){
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return null; // dojox.gfx.Surface
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}
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s.bgNode = r;
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return s; // dojox.gfx.Surface
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};
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var attachFill = function(object){
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// summary: deduces a fill style from a node.
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// object: dojox.gfx.Shape: an VML shape
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var fillStyle = null, r = object.rawNode, fo = r.fill;
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if(fo.on && fo.type == "gradient"){
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var fillStyle = dojo.clone(dojox.gfx.defaultLinearGradient),
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rad = dojox.gfx.matrix._degToRad(fo.angle);
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fillStyle.x2 = Math.cos(rad);
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fillStyle.y2 = Math.sin(rad);
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fillStyle.colors = [];
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var stops = fo.colors.value.split(";");
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for(var i = 0; i < stops.length; ++i){
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var t = stops[i].match(/\S+/g);
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if(!t || t.length != 2){ continue; }
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fillStyle.colors.push({offset: dojox.gfx.vml._parseFloat(t[0]), color: new dojo.Color(t[1])});
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}
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}else if(fo.on && fo.type == "gradientradial"){
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var fillStyle = dojo.clone(dojox.gfx.defaultRadialGradient),
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w = parseFloat(r.style.width), h = parseFloat(r.style.height);
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fillStyle.cx = isNaN(w) ? 0 : fo.focusposition.x * w;
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fillStyle.cy = isNaN(h) ? 0 : fo.focusposition.y * h;
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fillStyle.r = isNaN(w) ? 1 : w / 2;
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fillStyle.colors = [];
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var stops = fo.colors.value.split(";");
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for(var i = stops.length - 1; i >= 0; --i){
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var t = stops[i].match(/\S+/g);
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if(!t || t.length != 2){ continue; }
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fillStyle.colors.push({offset: dojox.gfx.vml._parseFloat(t[0]), color: new dojo.Color(t[1])});
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}
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}else if(fo.on && fo.type == "tile"){
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var fillStyle = dojo.clone(dojox.gfx.defaultPattern);
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fillStyle.width = dojox.gfx.pt2px(fo.size.x); // from pt
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fillStyle.height = dojox.gfx.pt2px(fo.size.y); // from pt
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fillStyle.x = fo.origin.x * fillStyle.width;
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fillStyle.y = fo.origin.y * fillStyle.height;
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fillStyle.src = fo.src;
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}else if(fo.on && r.fillcolor){
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// a color object !
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fillStyle = new dojo.Color(r.fillcolor+"");
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fillStyle.a = fo.opacity;
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}
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object.fillStyle = fillStyle;
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};
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var attachStroke = function(object) {
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// summary: deduces a stroke style from a node.
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// object: dojox.gfx.Shape: an VML shape
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var r = object.rawNode;
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if(!r.stroked){
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object.strokeStyle = null;
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return;
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}
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var strokeStyle = object.strokeStyle = dojo.clone(dojox.gfx.defaultStroke),
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rs = r.stroke;
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strokeStyle.color = new dojo.Color(r.strokecolor.value);
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strokeStyle.width = dojox.gfx.normalizedLength(r.strokeweight+"");
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strokeStyle.color.a = rs.opacity;
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strokeStyle.cap = this._translate(this._capMapReversed, rs.endcap);
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strokeStyle.join = rs.joinstyle == "miter" ? rs.miterlimit : rs.joinstyle;
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strokeStyle.style = rs.dashstyle;
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};
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var attachTransform = function(object) {
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// summary: deduces a transformation matrix from a node.
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// object: dojox.gfx.Shape: an VML shape
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var s = rawNode.skew, sm = s.matrix, so = s.offset;
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object.matrix = dojox.gfx.matrix.normalize({
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xx: sm.xtox,
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xy: sm.ytox,
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yx: sm.xtoy,
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yy: sm.ytoy,
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dx: dojox.gfx.pt2px(so.x),
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dy: dojox.gfx.pt2px(so.y)
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});
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};
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var attachGroup = function(object){
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// summary: reconstructs all group shape parameters from a node (VML).
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// object: dojox.gfx.Shape: an VML shape
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// attach the background
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object.bgNode = object.rawNode.firstChild; // TODO: check it first
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};
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var attachRect = function(object){
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// summary: builds a rectangle shape from a node.
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// object: dojox.gfx.Shape: an VML shape
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// a workaround for the VML's arcsize bug: cannot read arcsize of an instantiated node
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var r = object.rawNode, arcsize = r.outerHTML.match(/arcsize = \"(\d*\.?\d+[%f]?)\"/)[1],
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style = r.style, width = parseFloat(style.width), height = parseFloat(style.height);
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arcsize = (arcsize.indexOf("%") >= 0) ? parseFloat(arcsize) / 100 : dojox.gfx.vml._parseFloat(arcsize);
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// make an object
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object.shape = dojox.gfx.makeParameters(dojox.gfx.defaultRect, {
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x: parseInt(style.left),
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y: parseInt(style.top),
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width: width,
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height: height,
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r: Math.min(width, height) * arcsize
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});
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};
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var attachEllipse = function(object){
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// summary: builds an ellipse shape from a node.
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// object: dojox.gfx.Shape: an VML shape
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var style = object.rawNode.style,
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rx = parseInt(style.width ) / 2,
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ry = parseInt(style.height) / 2;
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object.shape = dojox.gfx.makeParameters(dojox.gfx.defaultEllipse, {
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cx: parseInt(style.left) + rx,
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cy: parseInt(style.top ) + ry,
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rx: rx,
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ry: ry
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});
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};
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var attachCircle = function(object){
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// summary: builds a circle shape from a node.
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// object: dojox.gfx.Shape: an VML shape
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var style = object.rawNode.style, r = parseInt(style.width) / 2;
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object.shape = dojox.gfx.makeParameters(dojox.gfx.defaultCircle, {
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cx: parseInt(style.left) + r,
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cy: parseInt(style.top) + r,
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r: r
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});
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};
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var attachLine = function(object){
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// summary: builds a line shape from a node.
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// object: dojox.gfx.Shape: an VML shape
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var shape = object.shape = dojo.clone(dojox.gfx.defaultLine),
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p = object.rawNode.path.v.match(dojox.gfx.pathVmlRegExp);
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do{
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if(p.length < 7 || p[0] != "m" || p[3] != "l" || p[6] != "e"){ break; }
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shape.x1 = parseInt(p[1]);
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shape.y1 = parseInt(p[2]);
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shape.x2 = parseInt(p[4]);
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shape.y2 = parseInt(p[5]);
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}while(false);
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};
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var attachPolyline = function(object){
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// summary: builds a polyline/polygon shape from a node.
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// object: dojox.gfx.Shape: an VML shape
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var shape = object.shape = dojo.clone(dojox.gfx.defaultPolyline),
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p = object.rawNode.path.v.match(dojox.gfx.pathVmlRegExp);
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do{
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if(p.length < 3 || p[0] != "m"){ break; }
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var x = parseInt(p[0]), y = parseInt(p[1]);
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if(isNaN(x) || isNaN(y)){ break; }
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shape.points.push({x: x, y: y});
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if(p.length < 6 || p[3] != "l"){ break; }
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for(var i = 4; i < p.length; i += 2){
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x = parseInt(p[i]);
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y = parseInt(p[i + 1]);
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if(isNaN(x) || isNaN(y)){ break; }
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shape.points.push({x: x, y: y});
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}
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}while(false);
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};
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var attachImage = function(object){
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// summary: builds an image shape from a node.
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// object: dojox.gfx.Shape: an VML shape
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object.shape = dojo.clone(dojox.gfx.defaultImage);
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object.shape.src = object.rawNode.firstChild.src;
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};
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var attachImageTransform = function(object) {
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// summary: deduces a transformation matrix from a node.
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// object: dojox.gfx.Shape: an VML shape
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var m = object.rawNode.filters["DXImageTransform.Microsoft.Matrix"];
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object.matrix = dojox.gfx.matrix.normalize({
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xx: m.M11,
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xy: m.M12,
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yx: m.M21,
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yy: m.M22,
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dx: m.Dx,
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dy: m.Dy
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});
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};
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var attachText = function(object){
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// summary: builds a text shape from a node.
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// object: dojox.gfx.Shape: an VML shape
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var shape = object.shape = dojo.clone(dojox.gfx.defaultText),
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r = object.rawNode, p = r.path.v.match(dojox.gfx.pathVmlRegExp);
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do{
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if(!p || p.length != 7){ break; }
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var c = r.childNodes, i = 0;
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for(; i < c.length && c[i].tagName != "textpath"; ++i);
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if(i >= c.length){ break; }
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var s = c[i].style;
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shape.text = c[i].string;
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switch(s["v-text-align"]){
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case "left":
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shape.x = parseInt(p[1]);
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shape.align = "start";
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break;
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case "center":
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shape.x = (parseInt(p[1]) + parseInt(p[4])) / 2;
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shape.align = "middle";
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break;
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case "right":
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shape.x = parseInt(p[4]);
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shape.align = "end";
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break;
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}
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shape.y = parseInt(p[2]);
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shape.decoration = s["text-decoration"];
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shape.rotated = s["v-rotate-letters"].toLowerCase() in dojox.gfx.vml._bool;
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shape.kerning = s["v-text-kern"].toLowerCase() in dojox.gfx.vml._bool;
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return;
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}while(false);
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object.shape = null;
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};
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var attachFont = function(object){
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// summary: deduces a font style from a node.
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// object: dojox.gfx.Shape: an VML shape
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var fontStyle = object.fontStyle = dojo.clone(dojox.gfx.defaultFont),
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c = object.rawNode.childNodes, i = 0;
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for(; i < c.length && c[i].tagName == "textpath"; ++i);
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if(i >= c.length){
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object.fontStyle = null;
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return;
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}
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var s = c[i].style;
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fontStyle.style = s.fontstyle;
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fontStyle.variant = s.fontvariant;
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fontStyle.weight = s.fontweight;
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fontStyle.size = s.fontsize;
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fontStyle.family = s.fontfamily;
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};
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var attachTextTransform = function(object) {
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// summary: deduces a transformation matrix from a node.
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// object: dojox.gfx.Shape: an VML shape
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attachTransform(object);
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var matrix = object.matrix, fs = object.fontStyle;
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// see comments in _getRealMatrix()
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if(matrix && fs){
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object.matrix = dojox.gfx.matrix.multiply(matrix, {dy: dojox.gfx.normalizedLength(fs.size) * 0.35});
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}
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};
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var attachPath = function(object){
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// summary: builds a path shape from a Node.
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// object: dojox.gfx.Shape: an VML shape
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var shape = object.shape = dojo.clone(dojox.gfx.defaultPath),
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|
p = rawNode.path.v.match(dojox.gfx.pathVmlRegExp),
|
||
|
|
t = [], skip = false, map = dojox.gfx.Path._pathVmlToSvgMap;
|
||
|
|
for(var i = 0; i < p.length; ++p){
|
||
|
|
var s = p[i];
|
||
|
|
if(s in map) {
|
||
|
|
skip = false;
|
||
|
|
t.push(map[s]);
|
||
|
|
} else if(!skip){
|
||
|
|
var n = parseInt(s);
|
||
|
|
if(isNaN(n)){
|
||
|
|
skip = true;
|
||
|
|
}else{
|
||
|
|
t.push(n);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var l = t.length;
|
||
|
|
if(l >= 4 && t[l - 1] == "" && t[l - 2] == 0 && t[l - 3] == 0 && t[l - 4] == "l"){
|
||
|
|
t.splice(l - 4, 4);
|
||
|
|
}
|
||
|
|
if(l){
|
||
|
|
shape.path = t.join(" ");
|
||
|
|
}
|
||
|
|
};
|
||
|
|
})();
|