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authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/gfx/canvas.js
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadsemanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
semanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.bz2
New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'includes/js/dojox/gfx/canvas.js')
-rw-r--r--includes/js/dojox/gfx/canvas.js687
1 files changed, 687 insertions, 0 deletions
diff --git a/includes/js/dojox/gfx/canvas.js b/includes/js/dojox/gfx/canvas.js
new file mode 100644
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+++ b/includes/js/dojox/gfx/canvas.js
@@ -0,0 +1,687 @@
+if(!dojo._hasResource["dojox.gfx.canvas"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.gfx.canvas"] = true;
+dojo.provide("dojox.gfx.canvas");
+
+dojo.require("dojox.gfx._base");
+dojo.require("dojox.gfx.shape");
+dojo.require("dojox.gfx.path");
+dojo.require("dojox.gfx.arc");
+dojo.require("dojox.gfx.decompose");
+
+dojo.experimental("dojox.gfx.canvas");
+
+(function(){
+ var g = dojox.gfx, gs = g.shape, ga = g.arc,
+ m = g.matrix, mp = m.multiplyPoint, pi = Math.PI, twoPI = 2 * pi, halfPI = pi /2;
+
+ dojo.extend(g.Shape, {
+ _render: function(/* Object */ ctx){
+ // summary: render the shape
+ ctx.save();
+ this._renderTransform(ctx);
+ this._renderShape(ctx);
+ this._renderFill(ctx, true);
+ this._renderStroke(ctx, true);
+ ctx.restore();
+ },
+ _renderTransform: function(/* Object */ ctx){
+ if("canvasTransform" in this){
+ var t = this.canvasTransform;
+ ctx.translate(t.dx, t.dy);
+ ctx.rotate(t.angle2);
+ ctx.scale(t.sx, t.sy);
+ ctx.rotate(t.angle1);
+ // The future implementation when vendors catch up with the spec:
+ // var t = this.matrix;
+ // ctx.transform(t.xx, t.yx, t.xy, t.yy, t.dx, t.dy);
+ }
+ },
+ _renderShape: function(/* Object */ ctx){
+ // nothing
+ },
+ _renderFill: function(/* Object */ ctx, /* Boolean */ apply){
+ if("canvasFill" in this){
+ if("canvasFillImage" in this){
+ this.canvasFill = ctx.createPattern(this.canvasFillImage, "repeat");
+ delete this.canvasFillImage;
+ }
+ ctx.fillStyle = this.canvasFill;
+ if(apply){ ctx.fill(); }
+ }else{
+ ctx.fillStyle = "rgba(0,0,0,0.0)";
+ }
+ },
+ _renderStroke: function(/* Object */ ctx, /* Boolean */ apply){
+ var s = this.strokeStyle;
+ if(s){
+ ctx.strokeStyle = s.color.toString();
+ ctx.lineWidth = s.width;
+ ctx.lineCap = s.cap;
+ if(typeof s.join == "number"){
+ ctx.lineJoin = "miter";
+ ctx.miterLimit = s.join;
+ }else{
+ ctx.lineJoin = s.join;
+ }
+ if(apply){ ctx.stroke(); }
+ }else if(!apply){
+ ctx.strokeStyle = "rgba(0,0,0,0.0)";
+ }
+ },
+
+ // events are not implemented
+ getEventSource: function(){ return null; },
+ connect: function(){},
+ disconnect: function(){}
+ });
+
+ var modifyMethod = function(shape, method, extra){
+ var old = shape.prototype[method];
+ shape.prototype[method] = extra ?
+ function(){
+ this.surface.makeDirty();
+ old.apply(this, arguments);
+ extra.call(this);
+ return this;
+ } :
+ function(){
+ this.surface.makeDirty();
+ return old.apply(this, arguments);
+ };
+ };
+
+ modifyMethod(g.Shape, "setTransform",
+ function(){
+ // prepare Canvas-specific structures
+ if(this.matrix){
+ this.canvasTransform = g.decompose(this.matrix);
+ }else{
+ delete this.canvasTransform;
+ }
+ });
+
+ modifyMethod(g.Shape, "setFill",
+ function(){
+ // prepare Canvas-specific structures
+ var fs = this.fillStyle, f;
+ if(fs){
+ if(typeof(fs) == "object" && "type" in fs){
+ var ctx = this.surface.rawNode.getContext("2d");
+ switch(fs.type){
+ case "linear":
+ case "radial":
+ f = fs.type == "linear" ?
+ ctx.createLinearGradient(fs.x1, fs.y1, fs.x2, fs.y2) :
+ ctx.createRadialGradient(fs.cx, fs.cy, 0, fs.cx, fs.cy, fs.r);
+ dojo.forEach(fs.colors, function(step){
+ f.addColorStop(step.offset, g.normalizeColor(step.color).toString());
+ });
+ break;
+ case "pattern":
+ var img = new Image(fs.width, fs.height);
+ this.surface.downloadImage(img, fs.src);
+ this.canvasFillImage = img;
+ }
+ }else{
+ // Set fill color using CSS RGBA func style
+ f = fs.toString();
+ }
+ this.canvasFill = f;
+ }else{
+ delete this.canvasFill;
+ }
+ });
+
+ modifyMethod(g.Shape, "setStroke");
+ modifyMethod(g.Shape, "setShape");
+
+ dojo.declare("dojox.gfx.Group", g.Shape, {
+ // summary: a group shape (Canvas), which can be used
+ // to logically group shapes (e.g, to propagate matricies)
+ constructor: function(){
+ gs.Container._init.call(this);
+ },
+ _render: function(/* Object */ ctx){
+ // summary: render the group
+ ctx.save();
+ this._renderTransform(ctx);
+ this._renderFill(ctx);
+ this._renderStroke(ctx);
+ for(var i = 0; i < this.children.length; ++i){
+ this.children[i]._render(ctx);
+ }
+ ctx.restore();
+ }
+ });
+
+ dojo.declare("dojox.gfx.Rect", gs.Rect, {
+ // summary: a rectangle shape (Canvas)
+ _renderShape: function(/* Object */ ctx){
+ var s = this.shape, r = Math.min(s.r, s.height / 2, s.width / 2),
+ xl = s.x, xr = xl + s.width, yt = s.y, yb = yt + s.height,
+ xl2 = xl + r, xr2 = xr - r, yt2 = yt + r, yb2 = yb - r;
+ ctx.beginPath();
+ ctx.moveTo(xl2, yt);
+ if(r){
+ ctx.arc(xr2, yt2, r, -halfPI, 0, false);
+ ctx.arc(xr2, yb2, r, 0, halfPI, false);
+ ctx.arc(xl2, yb2, r, halfPI, pi, false);
+ ctx.arc(xl2, yt2, r, pi, halfPI, false);
+ }else{
+ ctx.lineTo(xr2, yt);
+ ctx.lineTo(xr, yb2);
+ ctx.lineTo(xl2, yb);
+ ctx.lineTo(xl, yt2);
+ }
+ ctx.closePath();
+ }
+ });
+
+ var bezierCircle = [];
+ (function(){
+ var u = ga.curvePI4;
+ bezierCircle.push(u.s, u.c1, u.c2, u.e);
+ for(var a = 45; a < 360; a += 45){
+ var r = m.rotateg(a);
+ bezierCircle.push(mp(r, u.c1), mp(r, u.c2), mp(r, u.e));
+ }
+ })();
+
+ dojo.declare("dojox.gfx.Ellipse", gs.Ellipse, {
+ // summary: an ellipse shape (Canvas)
+ setShape: function(){
+ g.Ellipse.superclass.setShape.apply(this, arguments);
+ // prepare Canvas-specific structures
+ var s = this.shape, t, c1, c2, r = [],
+ M = m.normalize([m.translate(s.cx, s.cy), m.scale(s.rx, s.ry)]);
+ t = mp(M, bezierCircle[0]);
+ r.push([t.x, t.y]);
+ for(var i = 1; i < bezierCircle.length; i += 3){
+ c1 = mp(M, bezierCircle[i]);
+ c2 = mp(M, bezierCircle[i + 1]);
+ t = mp(M, bezierCircle[i + 2]);
+ r.push([c1.x, c1.y, c2.x, c2.y, t.x, t.y]);
+ }
+ this.canvasEllipse = r;
+ return this;
+ },
+ _renderShape: function(/* Object */ ctx){
+ var r = this.canvasEllipse;
+ ctx.beginPath();
+ ctx.moveTo.apply(ctx, r[0]);
+ for(var i = 1; i < r.length; ++i){
+ ctx.bezierCurveTo.apply(ctx, r[i]);
+ }
+ ctx.closePath();
+ }
+ });
+
+ dojo.declare("dojox.gfx.Circle", gs.Circle, {
+ // summary: a circle shape (Canvas)
+ _renderShape: function(/* Object */ ctx){
+ var s = this.shape;
+ ctx.beginPath();
+ ctx.arc(s.cx, s.cy, s.r, 0, twoPI, 1);
+ }
+ });
+
+ dojo.declare("dojox.gfx.Line", gs.Line, {
+ // summary: a line shape (Canvas)
+ _renderShape: function(/* Object */ ctx){
+ var s = this.shape;
+ ctx.beginPath();
+ ctx.moveTo(s.x1, s.y1);
+ ctx.lineTo(s.x2, s.y2);
+ }
+ });
+
+ dojo.declare("dojox.gfx.Polyline", gs.Polyline, {
+ // summary: a polyline/polygon shape (Canvas)
+ setShape: function(){
+ g.Polyline.superclass.setShape.apply(this, arguments);
+ // dojo.inherited("setShape", arguments);
+ // prepare Canvas-specific structures
+ var p = this.shape.points, f = p[0], r = [], c, i;
+ if(p.length){
+ if(typeof f == "number"){
+ r.push(f, p[1]);
+ i = 2;
+ }else{
+ r.push(f.x, f.y);
+ i = 1;
+ }
+ for(; i < p.length; ++i){
+ c = p[i];
+ if(typeof c == "number"){
+ r.push(c, p[++i]);
+ }else{
+ r.push(c.x, c.y);
+ }
+ }
+ }
+ this.canvasPolyline = r;
+ return this;
+ },
+ _renderShape: function(/* Object */ ctx){
+ // console.debug("Polyline::_renderShape");
+ var p = this.canvasPolyline;
+ if(p.length){
+ ctx.beginPath();
+ ctx.moveTo(p[0], p[1]);
+ for(var i = 2; i < p.length; i += 2){
+ ctx.lineTo(p[i], p[i + 1]);
+ }
+ }
+ }
+ });
+
+ dojo.declare("dojox.gfx.Image", gs.Image, {
+ // summary: an image shape (Canvas)
+ setShape: function(){
+ g.Image.superclass.setShape.apply(this, arguments);
+ // prepare Canvas-specific structures
+ var img = new Image();
+ this.surface.downloadImage(img, this.shape.src);
+ this.canvasImage = img;
+ return this;
+ },
+ _renderShape: function(/* Object */ ctx){
+ var s = this.shape;
+ ctx.drawImage(this.canvasImage, s.x, s.y, s.width, s.height);
+ }
+ });
+
+ dojo.declare("dojox.gfx.Text", gs.Text, {
+ // summary: a text shape (Canvas)
+ _renderShape: function(/* Object */ ctx){
+ var s = this.shape;
+ // nothing for the moment
+ }
+ });
+ modifyMethod(g.Text, "setFont");
+
+ var pathRenderers = {
+ M: "_moveToA", m: "_moveToR",
+ L: "_lineToA", l: "_lineToR",
+ H: "_hLineToA", h: "_hLineToR",
+ V: "_vLineToA", v: "_vLineToR",
+ C: "_curveToA", c: "_curveToR",
+ S: "_smoothCurveToA", s: "_smoothCurveToR",
+ Q: "_qCurveToA", q: "_qCurveToR",
+ T: "_qSmoothCurveToA", t: "_qSmoothCurveToR",
+ A: "_arcTo", a: "_arcTo",
+ Z: "_closePath", z: "_closePath"
+ };
+
+ dojo.declare("dojox.gfx.Path", g.path.Path, {
+ // summary: a path shape (Canvas)
+ constructor: function(){
+ this.last = {};
+ this.lastControl = {};
+ },
+ setShape: function(){
+ this.canvasPath = [];
+ return g.Path.superclass.setShape.apply(this, arguments);
+ },
+ _updateWithSegment: function(segment){
+ var last = dojo.clone(this.last);
+ this[pathRenderers[segment.action]](this.canvasPath, segment.action, segment.args);
+ this.last = last;
+ g.Path.superclass._updateWithSegment.apply(this, arguments);
+ },
+ _renderShape: function(/* Object */ ctx){
+ var r = this.canvasPath;
+ ctx.beginPath();
+ for(var i = 0; i < r.length; i += 2){
+ ctx[r[i]].apply(ctx, r[i + 1]);
+ }
+ },
+ _moveToA: function(result, action, args){
+ result.push("moveTo", [args[0], args[1]]);
+ for(var i = 2; i < args.length; i += 2){
+ result.push("lineTo", [args[i], args[i + 1]]);
+ }
+ this.last.x = args[args.length - 2];
+ this.last.y = args[args.length - 1];
+ this.lastControl = {};
+ },
+ _moveToR: function(result, action, args){
+ if("x" in this.last){
+ result.push("moveTo", [this.last.x += args[0], this.last.y += args[1]]);
+ }else{
+ result.push("moveTo", [this.last.x = args[0], this.last.y = args[1]]);
+ }
+ for(var i = 2; i < args.length; i += 2){
+ result.push("lineTo", [this.last.x += args[i], this.last.y += args[i + 1]]);
+ }
+ this.lastControl = {};
+ },
+ _lineToA: function(result, action, args){
+ for(var i = 0; i < args.length; i += 2){
+ result.push("lineTo", [args[i], args[i + 1]]);
+ }
+ this.last.x = args[args.length - 2];
+ this.last.y = args[args.length - 1];
+ this.lastControl = {};
+ },
+ _lineToR: function(result, action, args){
+ for(var i = 0; i < args.length; i += 2){
+ result.push("lineTo", [this.last.x += args[i], this.last.y += args[i + 1]]);
+ }
+ this.lastControl = {};
+ },
+ _hLineToA: function(result, action, args){
+ for(var i = 0; i < args.length; ++i){
+ result.push("lineTo", [args[i], this.last.y]);
+ }
+ this.last.x = args[args.length - 1];
+ this.lastControl = {};
+ },
+ _hLineToR: function(result, action, args){
+ for(var i = 0; i < args.length; ++i){
+ result.push("lineTo", [this.last.x += args[i], this.last.y]);
+ }
+ this.lastControl = {};
+ },
+ _vLineToA: function(result, action, args){
+ for(var i = 0; i < args.length; ++i){
+ result.push("lineTo", [this.last.x, args[i]]);
+ }
+ this.last.y = args[args.length - 1];
+ this.lastControl = {};
+ },
+ _vLineToR: function(result, action, args){
+ for(var i = 0; i < args.length; ++i){
+ result.push("lineTo", [this.last.x, this.last.y += args[i]]);
+ }
+ this.lastControl = {};
+ },
+ _curveToA: function(result, action, args){
+ for(var i = 0; i < args.length; i += 6){
+ result.push("bezierCurveTo", args.slice(i, i + 6));
+ }
+ this.last.x = args[args.length - 2];
+ this.last.y = args[args.length - 1];
+ this.lastControl.x = args[args.length - 4];
+ this.lastControl.y = args[args.length - 3];
+ this.lastControl.type = "C";
+ },
+ _curveToR: function(result, action, args){
+ for(var i = 0; i < args.length; i += 6){
+ result.push("bezierCurveTo", [
+ this.last.x + args[i],
+ this.last.y + args[i + 1],
+ this.lastControl.x = this.last.x + args[i + 2],
+ this.lastControl.y = this.last.y + args[i + 3],
+ this.last.x + args[i + 4],
+ this.last.y + args[i + 5]
+ ]);
+ this.last.x += args[i + 4];
+ this.last.y += args[i + 5];
+ }
+ this.lastControl.type = "C";
+ },
+ _smoothCurveToA: function(result, action, args){
+ for(var i = 0; i < args.length; i += 4){
+ var valid = this.lastControl.type == "C";
+ result.push("bezierCurveTo", [
+ valid ? 2 * this.last.x - this.lastControl.x : this.last.x,
+ valid ? 2 * this.last.y - this.lastControl.y : this.last.y,
+ args[i],
+ args[i + 1],
+ args[i + 2],
+ args[i + 3]
+ ]);
+ this.lastControl.x = args[i];
+ this.lastControl.y = args[i + 1];
+ this.lastControl.type = "C";
+ }
+ this.last.x = args[args.length - 2];
+ this.last.y = args[args.length - 1];
+ },
+ _smoothCurveToR: function(result, action, args){
+ for(var i = 0; i < args.length; i += 4){
+ var valid = this.lastControl.type == "C";
+ result.push("bezierCurveTo", [
+ valid ? 2 * this.last.x - this.lastControl.x : this.last.x,
+ valid ? 2 * this.last.y - this.lastControl.y : this.last.y,
+ this.last.x + args[i],
+ this.last.y + args[i + 1],
+ this.last.x + args[i + 2],
+ this.last.y + args[i + 3]
+ ]);
+ this.lastControl.x = this.last.x + args[i];
+ this.lastControl.y = this.last.y + args[i + 1];
+ this.lastControl.type = "C";
+ this.last.x += args[i + 2];
+ this.last.y += args[i + 3];
+ }
+ },
+ _qCurveToA: function(result, action, args){
+ for(var i = 0; i < args.length; i += 4){
+ result.push("quadraticCurveTo", args.slice(i, i + 4));
+ }
+ this.last.x = args[args.length - 2];
+ this.last.y = args[args.length - 1];
+ this.lastControl.x = args[args.length - 4];
+ this.lastControl.y = args[args.length - 3];
+ this.lastControl.type = "Q";
+ },
+ _qCurveToR: function(result, action, args){
+ for(var i = 0; i < args.length; i += 4){
+ result.push("quadraticCurveTo", [
+ this.lastControl.x = this.last.x + args[i],
+ this.lastControl.y = this.last.y + args[i + 1],
+ this.last.x + args[i + 2],
+ this.last.y + args[i + 3]
+ ]);
+ this.last.x += args[i + 2];
+ this.last.y += args[i + 3];
+ }
+ this.lastControl.type = "Q";
+ },
+ _qSmoothCurveToA: function(result, action, args){
+ for(var i = 0; i < args.length; i += 2){
+ var valid = this.lastControl.type == "Q";
+ result.push("quadraticCurveTo", [
+ this.lastControl.x = valid ? 2 * this.last.x - this.lastControl.x : this.last.x,
+ this.lastControl.y = valid ? 2 * this.last.y - this.lastControl.y : this.last.y,
+ args[i],
+ args[i + 1]
+ ]);
+ this.lastControl.type = "Q";
+ }
+ this.last.x = args[args.length - 2];
+ this.last.y = args[args.length - 1];
+ },
+ _qSmoothCurveToR: function(result, action, args){
+ for(var i = 0; i < args.length; i += 2){
+ var valid = this.lastControl.type == "Q";
+ result.push("quadraticCurveTo", [
+ this.lastControl.x = valid ? 2 * this.last.x - this.lastControl.x : this.last.x,
+ this.lastControl.y = valid ? 2 * this.last.y - this.lastControl.y : this.last.y,
+ this.last.x + args[i],
+ this.last.y + args[i + 1]
+ ]);
+ this.lastControl.type = "Q";
+ this.last.x += args[i];
+ this.last.y += args[i + 1];
+ }
+ },
+ _arcTo: function(result, action, args){
+ var relative = action == "a";
+ for(var i = 0; i < args.length; i += 7){
+ var x1 = args[i + 5], y1 = args[i + 6];
+ if(relative){
+ x1 += this.last.x;
+ y1 += this.last.y;
+ }
+ var arcs = ga.arcAsBezier(
+ this.last, args[i], args[i + 1], args[i + 2],
+ args[i + 3] ? 1 : 0, args[i + 4] ? 1 : 0,
+ x1, y1
+ );
+ dojo.forEach(arcs, function(p){
+ result.push("bezierCurveTo", p);
+ });
+ this.last.x = x1;
+ this.last.y = y1;
+ }
+ this.lastControl = {};
+ },
+ _closePath: function(result, action, args){
+ result.push("closePath", []);
+ this.lastControl = {};
+ }
+ });
+ dojo.forEach(["moveTo", "lineTo", "hLineTo", "vLineTo", "curveTo",
+ "smoothCurveTo", "qCurveTo", "qSmoothCurveTo", "arcTo", "closePath"],
+ function(method){ modifyMethod(g.Path, method); }
+ );
+
+ dojo.declare("dojox.gfx.TextPath", g.path.TextPath, {
+ // summary: a text shape (Canvas)
+ _renderShape: function(/* Object */ ctx){
+ var s = this.shape;
+ // nothing for the moment
+ }
+ });
+
+ dojo.declare("dojox.gfx.Surface", gs.Surface, {
+ // summary: a surface object to be used for drawings (Canvas)
+ constructor: function(){
+ gs.Container._init.call(this);
+ this.pendingImageCount = 0;
+ this.makeDirty();
+ },
+ setDimensions: function(width, height){
+ // summary: sets the width and height of the rawNode
+ // width: String: width of surface, e.g., "100px"
+ // height: String: height of surface, e.g., "100px"
+ this.width = g.normalizedLength(width); // in pixels
+ this.height = g.normalizedLength(height); // in pixels
+ if(!this.rawNode) return this;
+ this.rawNode.width = width;
+ this.rawNode.height = height;
+ this.makeDirty();
+ return this; // self
+ },
+ getDimensions: function(){
+ // summary: returns an object with properties "width" and "height"
+ return this.rawNode ? {width: this.rawNode.width, height: this.rawNode.height} : null; // Object
+ },
+ _render: function(){
+ // summary: render the all shapes
+ if(this.pendingImageCount){ return; }
+ var ctx = this.rawNode.getContext("2d");
+ ctx.save();
+ ctx.clearRect(0, 0, this.rawNode.width, this.rawNode.height);
+ for(var i = 0; i < this.children.length; ++i){
+ this.children[i]._render(ctx);
+ }
+ ctx.restore();
+ if("pendingRender" in this){
+ clearTimeout(this.pendingRender);
+ delete this.pendingRender;
+ }
+ },
+ makeDirty: function(){
+ // summary: internal method, which is called when we may need to redraw
+ if(!this.pendingImagesCount && !("pendingRender" in this)){
+ this.pendingRender = setTimeout(dojo.hitch(this, this._render), 0);
+ }
+ },
+ downloadImage: function(img, url){
+ // summary:
+ // internal method, which starts an image download and renders, when it is ready
+ // img: Image:
+ // the image object
+ // url: String:
+ // the url of the image
+ var handler = dojo.hitch(this, this.onImageLoad);
+ if(!this.pendingImageCount++ && "pendingRender" in this){
+ clearTimeout(this.pendingRender);
+ delete this.pendingRender;
+ }
+ img.onload = handler;
+ img.onerror = handler;
+ img.onabort = handler;
+ img.src = url;
+ },
+ onImageLoad: function(){
+ if(!--this.pendingImageCount){ this._render(); }
+ },
+
+ // events are not implemented
+ getEventSource: function(){ return null; },
+ connect: function(){},
+ disconnect: function(){}
+ });
+
+ g.createSurface = function(parentNode, width, height){
+ // summary: creates a surface (Canvas)
+ // parentNode: Node: a parent node
+ // width: String: width of surface, e.g., "100px"
+ // height: String: height of surface, e.g., "100px"
+
+ if(!width){ width = "100%"; }
+ if(!height){ height = "100%"; }
+ var s = new g.Surface(),
+ p = dojo.byId(parentNode),
+ c = p.ownerDocument.createElement("canvas");
+ c.width = width;
+ c.height = height;
+ p.appendChild(c);
+ s.rawNode = c;
+ s.surface = s;
+ return s; // dojox.gfx.Surface
+ };
+
+ // Extenders
+
+ var C = gs.Container, Container = {
+ add: function(shape){
+ this.surface.makeDirty();
+ return C.add.apply(this, arguments);
+ },
+ remove: function(shape, silently){
+ this.surface.makeDirty();
+ return C.remove.apply(this, arguments);
+ },
+ clear: function(){
+ this.surface.makeDirty();
+ return C.clear.apply(this, arguments);
+ },
+ _moveChildToFront: function(shape){
+ this.surface.makeDirty();
+ return C._moveChildToFront.apply(this, arguments);
+ },
+ _moveChildToBack: function(shape){
+ this.surface.makeDirty();
+ return C._moveChildToBack.apply(this, arguments);
+ }
+ };
+
+ dojo.mixin(gs.Creator, {
+ // summary: Canvas shape creators
+ createObject: function(shapeType, rawShape) {
+ // summary: creates an instance of the passed shapeType class
+ // shapeType: Function: a class constructor to create an instance of
+ // rawShape: Object: properties to be passed in to the classes "setShape" method
+ // overrideSize: Boolean: set the size explicitly, if true
+ var shape = new shapeType();
+ shape.surface = this.surface;
+ shape.setShape(rawShape);
+ this.add(shape);
+ return shape; // dojox.gfx.Shape
+ }
+ });
+
+ dojo.extend(g.Group, Container);
+ dojo.extend(g.Group, gs.Creator);
+
+ dojo.extend(g.Surface, Container);
+ dojo.extend(g.Surface, gs.Creator);
+})();
+
+}