]> git.pond.sub.org Git - eow/blobdiff - static/dojo-release-1.1.1/dojox/gfx/vml_attach.js
add Dojo 1.1.1
[eow] / static / dojo-release-1.1.1 / dojox / gfx / vml_attach.js
diff --git a/static/dojo-release-1.1.1/dojox/gfx/vml_attach.js b/static/dojo-release-1.1.1/dojox/gfx/vml_attach.js
new file mode 100644 (file)
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+dojo.require("dojox.gfx.vml");
+
+dojo.experimental("dojox.gfx.vml_attach");
+
+(function(){
+       dojox.gfx.attachNode = function(node){
+               // summary: creates a shape from a Node
+               // node: Node: an VML node
+               if(!node) return null;
+               var s = null;
+               switch(node.tagName.toLowerCase()){
+                       case dojox.gfx.Rect.nodeType:
+                               s = new dojox.gfx.Rect(node);
+                               attachRect(s);
+                               break;
+                       case dojox.gfx.Ellipse.nodeType:
+                               if(node.style.width == node.style.height){
+                                       s = new dojox.gfx.Circle(node);
+                                       attachCircle(s);
+                               }else{
+                                       s = new dojox.gfx.Ellipse(node);
+                                       attachEllipse(s);
+                               }
+                               break;
+                       case dojox.gfx.Path.nodeType:
+                               switch(node.getAttribute("dojoGfxType")){
+                                       case "line":
+                                               s = new dojox.gfx.Line(node);
+                                               attachLine(s);
+                                               break;
+                                       case "polyline":
+                                               s = new dojox.gfx.Polyline(node);
+                                               attachPolyline(s);
+                                               break;
+                                       case "path":
+                                               s = new dojox.gfx.Path(node);
+                                               attachPath(s);
+                                               break;
+                                       case "text":
+                                               s = new dojox.gfx.Text(node);
+                                               attachText(s);
+                                               attachFont(s);
+                                               attachTextTransform(s);
+                                               break;
+                                       case "textpath":
+                                               s = new dojox.gfx.TextPath(node);
+                                               attachPath(s);
+                                               attachText(s);
+                                               attachFont(s);
+                                               break;
+                               }
+                               break;
+                       case dojox.gfx.Image.nodeType:
+                               switch(node.getAttribute("dojoGfxType")){
+                                       case "image":
+                                               s = new dojox.gfx.Image(node);
+                                               attachImage(s);
+                                               attachImageTransform(s);
+                                               break;
+                               }
+                               break;
+                       default:
+                               //console.debug("FATAL ERROR! tagName = " + node.tagName);
+                               return null;
+               }
+               if(!(s instanceof dojox.gfx.Image)){
+                       attachFill(s);
+                       attachStroke(s);
+                       if(!(s instanceof dojox.gfx.Text)){
+                               attachTransform(s);
+                       }
+               }
+               return s;       // dojox.gfx.Shape
+       };
+
+       dojox.gfx.attachSurface = function(node){
+               // summary: creates a surface from a Node
+               // node: Node: an VML node
+               var s = new dojox.gfx.Surface();
+               s.clipNode = node;
+               var r = s.rawNode = node.firstChild;
+               var b = r.firstChild;
+               if(!b || b.tagName != "rect"){
+                       return null;    // dojox.gfx.Surface
+               }
+               s.bgNode = r;
+               return s;       // dojox.gfx.Surface
+       };
+
+       var attachFill = function(object){
+               // summary: deduces a fill style from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var fillStyle = null, r = object.rawNode, fo = r.fill;
+               if(fo.on && fo.type == "gradient"){
+                       var fillStyle = dojo.clone(dojox.gfx.defaultLinearGradient),
+                               rad = dojox.gfx.matrix._degToRad(fo.angle);
+                       fillStyle.x2 = Math.cos(rad);
+                       fillStyle.y2 = Math.sin(rad);
+                       fillStyle.colors = [];
+                       var stops = fo.colors.value.split(";");
+                       for(var i = 0; i < stops.length; ++i){
+                               var t = stops[i].match(/\S+/g);
+                               if(!t || t.length != 2){ continue; }
+                               fillStyle.colors.push({offset: dojox.gfx.vml._parseFloat(t[0]), color: new dojo.Color(t[1])});
+                       }
+               }else if(fo.on && fo.type == "gradientradial"){
+                       var fillStyle = dojo.clone(dojox.gfx.defaultRadialGradient),
+                               w = parseFloat(r.style.width), h = parseFloat(r.style.height);
+                       fillStyle.cx = isNaN(w) ? 0 : fo.focusposition.x * w;
+                       fillStyle.cy = isNaN(h) ? 0 : fo.focusposition.y * h;
+                       fillStyle.r  = isNaN(w) ? 1 : w / 2;
+                       fillStyle.colors = [];
+                       var stops = fo.colors.value.split(";");
+                       for(var i = stops.length - 1; i >= 0; --i){
+                               var t = stops[i].match(/\S+/g);
+                               if(!t || t.length != 2){ continue; }
+                               fillStyle.colors.push({offset: dojox.gfx.vml._parseFloat(t[0]), color: new dojo.Color(t[1])});
+                       }
+               }else if(fo.on && fo.type == "tile"){
+                       var fillStyle = dojo.clone(dojox.gfx.defaultPattern);
+                       fillStyle.width  = dojox.gfx.pt2px(fo.size.x); // from pt
+                       fillStyle.height = dojox.gfx.pt2px(fo.size.y); // from pt
+                       fillStyle.x = fo.origin.x * fillStyle.width;
+                       fillStyle.y = fo.origin.y * fillStyle.height;
+                       fillStyle.src = fo.src;
+               }else if(fo.on && r.fillcolor){
+                       // a color object !
+                       fillStyle = new dojo.Color(r.fillcolor+"");
+                       fillStyle.a = fo.opacity;
+               }
+               object.fillStyle = fillStyle;
+       };
+
+       var attachStroke = function(object) {
+               // summary: deduces a stroke style from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var r = object.rawNode;
+               if(!r.stroked){
+                       object.strokeStyle = null;
+                       return;
+               }
+               var strokeStyle = object.strokeStyle = dojo.clone(dojox.gfx.defaultStroke),
+                       rs = r.stroke;
+               strokeStyle.color = new dojo.Color(r.strokecolor.value);
+               strokeStyle.width = dojox.gfx.normalizedLength(r.strokeweight+"");
+               strokeStyle.color.a = rs.opacity;
+               strokeStyle.cap = this._translate(this._capMapReversed, rs.endcap);
+               strokeStyle.join = rs.joinstyle == "miter" ? rs.miterlimit : rs.joinstyle;
+               strokeStyle.style = rs.dashstyle;
+       };
+
+       var attachTransform = function(object) {
+               // summary: deduces a transformation matrix from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var s = rawNode.skew, sm = s.matrix, so = s.offset;
+               object.matrix = dojox.gfx.matrix.normalize({
+                       xx: sm.xtox,
+                       xy: sm.ytox,
+                       yx: sm.xtoy,
+                       yy: sm.ytoy,
+                       dx: dojox.gfx.pt2px(so.x),
+                       dy: dojox.gfx.pt2px(so.y)
+               });
+       };
+
+       var attachGroup = function(object){
+               // summary: reconstructs all group shape parameters from a node (VML).
+               // object: dojox.gfx.Shape: an VML shape
+               // attach the background
+               object.bgNode = object.rawNode.firstChild;      // TODO: check it first
+       };
+       
+       var attachRect = function(object){
+               // summary: builds a rectangle shape from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               // a workaround for the VML's arcsize bug: cannot read arcsize of an instantiated node
+               var r = object.rawNode, arcsize = r.outerHTML.match(/arcsize = \"(\d*\.?\d+[%f]?)\"/)[1],
+                       style = r.style, width = parseFloat(style.width), height = parseFloat(style.height);
+               arcsize = (arcsize.indexOf("%") >= 0) ? parseFloat(arcsize) / 100 : dojox.gfx.vml._parseFloat(arcsize);
+               // make an object
+               object.shape = dojox.gfx.makeParameters(dojox.gfx.defaultRect, {
+                       x: parseInt(style.left),
+                       y: parseInt(style.top),
+                       width:  width,
+                       height: height,
+                       r: Math.min(width, height) * arcsize
+               });
+       };
+
+       var attachEllipse = function(object){
+               // summary: builds an ellipse shape from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var style = object.rawNode.style, 
+                       rx = parseInt(style.width ) / 2, 
+                       ry = parseInt(style.height) / 2;
+               object.shape = dojox.gfx.makeParameters(dojox.gfx.defaultEllipse, {
+                       cx: parseInt(style.left) + rx,
+                       cy: parseInt(style.top ) + ry,
+                       rx: rx,
+                       ry: ry
+               });
+       };
+
+       var attachCircle = function(object){
+               // summary: builds a circle shape from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var style = object.rawNode.style, r = parseInt(style.width) / 2;
+               object.shape = dojox.gfx.makeParameters(dojox.gfx.defaultCircle, {
+                       cx: parseInt(style.left) + r,
+                       cy: parseInt(style.top)  + r,
+                       r:  r
+               });
+       };
+
+       var attachLine = function(object){
+               // summary: builds a line shape from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var shape = object.shape = dojo.clone(dojox.gfx.defaultLine),
+                       p = object.rawNode.path.v.match(dojox.gfx.pathVmlRegExp);
+               do{
+                       if(p.length < 7 || p[0] != "m" || p[3] != "l" || p[6] != "e"){ break; }
+                       shape.x1 = parseInt(p[1]);
+                       shape.y1 = parseInt(p[2]);
+                       shape.x2 = parseInt(p[4]);
+                       shape.y2 = parseInt(p[5]);
+               }while(false);
+       };
+
+       var attachPolyline = function(object){
+               // summary: builds a polyline/polygon shape from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var shape = object.shape = dojo.clone(dojox.gfx.defaultPolyline),
+                       p = object.rawNode.path.v.match(dojox.gfx.pathVmlRegExp);
+               do{
+                       if(p.length < 3 || p[0] != "m"){ break; }
+                       var x = parseInt(p[0]), y = parseInt(p[1]);
+                       if(isNaN(x) || isNaN(y)){ break; }
+                       shape.points.push({x: x, y: y});
+                       if(p.length < 6 || p[3] != "l"){ break; }
+                       for(var i = 4; i < p.length; i += 2){
+                               x = parseInt(p[i]);
+                               y = parseInt(p[i + 1]);
+                               if(isNaN(x) || isNaN(y)){ break; }
+                               shape.points.push({x: x, y: y});
+                       }
+               }while(false);
+       };
+
+       var attachImage = function(object){
+               // summary: builds an image shape from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               object.shape = dojo.clone(dojox.gfx.defaultImage);
+               object.shape.src = object.rawNode.firstChild.src;
+       };
+
+       var attachImageTransform = function(object) {
+               // summary: deduces a transformation matrix from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var m = object.rawNode.filters["DXImageTransform.Microsoft.Matrix"];
+               object.matrix = dojox.gfx.matrix.normalize({
+                       xx: m.M11,
+                       xy: m.M12,
+                       yx: m.M21,
+                       yy: m.M22,
+                       dx: m.Dx,
+                       dy: m.Dy
+               });
+       };
+
+       var attachText = function(object){
+               // summary: builds a text shape from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var shape = object.shape = dojo.clone(dojox.gfx.defaultText), 
+                       r = object.rawNode, p = r.path.v.match(dojox.gfx.pathVmlRegExp);
+               do{
+                       if(!p || p.length != 7){ break; }
+                       var c = r.childNodes, i = 0;
+                       for(; i < c.length && c[i].tagName != "textpath"; ++i);
+                       if(i >= c.length){ break; }
+                       var s = c[i].style;
+                       shape.text = c[i].string;
+                       switch(s["v-text-align"]){
+                               case "left":
+                                       shape.x = parseInt(p[1]);
+                                       shape.align = "start";
+                                       break;
+                               case "center":
+                                       shape.x = (parseInt(p[1]) + parseInt(p[4])) / 2;
+                                       shape.align = "middle";
+                                       break;
+                               case "right":
+                                       shape.x = parseInt(p[4]);
+                                       shape.align = "end";
+                                       break;
+                       }
+                       shape.y = parseInt(p[2]);
+                       shape.decoration = s["text-decoration"];
+                       shape.rotated = s["v-rotate-letters"].toLowerCase() in dojox.gfx.vml._bool;
+                       shape.kerning = s["v-text-kern"].toLowerCase() in dojox.gfx.vml._bool;
+                       return;
+               }while(false);
+               object.shape = null;
+       };
+
+       var attachFont = function(object){
+               // summary: deduces a font style from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               var fontStyle = object.fontStyle = dojo.clone(dojox.gfx.defaultFont),
+                       c = object.rawNode.childNodes, i = 0;
+               for(; i < c.length && c[i].tagName == "textpath"; ++i);
+               if(i >= c.length){
+                       object.fontStyle = null;
+                       return;
+               }
+               var s = c[i].style;
+               fontStyle.style = s.fontstyle;
+               fontStyle.variant = s.fontvariant;
+               fontStyle.weight = s.fontweight;
+               fontStyle.size = s.fontsize;
+               fontStyle.family = s.fontfamily;
+       };
+       
+       var attachTextTransform = function(object) {
+               // summary: deduces a transformation matrix from a node.
+               // object: dojox.gfx.Shape: an VML shape
+               attachTransform(object);
+               var matrix = object.matrix, fs = object.fontStyle;
+               // see comments in _getRealMatrix()
+               if(matrix && fs){
+                       object.matrix = dojox.gfx.matrix.multiply(matrix, {dy: dojox.gfx.normalizedLength(fs.size) * 0.35});
+               }
+       };
+
+       var attachPath = function(object){
+               // summary: builds a path shape from a Node.
+               // object: dojox.gfx.Shape: an VML shape
+               var shape = object.shape = dojo.clone(dojox.gfx.defaultPath),
+                       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(" ");
+               }
+       };
+})();