Subversion Repositories Applications.papyrus

if(!dojo._hasResource["dojox.gfx.vml"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.

dojo._hasResource["dojox.gfx.vml"] = true;

dojo.provide("dojox.gfx.vml");

dojo.require("dojox.gfx._base");

dojo.require("dojox.gfx.shape");

dojo.require("dojox.gfx.path");

dojo.require("dojox.gfx.arc");

// dojox.gfx.vml.xmlns: String: a VML's namespace

dojox.gfx.vml.xmlns = "urn:schemas-microsoft-com:vml";

// dojox.gfx.vml.text_alignment: Object: mapping from SVG alignment to VML alignment

dojox.gfx.vml.text_alignment = {start: "left", middle: "center", end: "right"};

dojox.gfx.vml._parseFloat = function(str) {

	// summary: a helper function to parse VML-specific floating-point values

	// str: String: a representation of a floating-point number

	return str.match(/^\d+f$/i) ? parseInt(str) / 65536 : parseFloat(str);	// Number

};

dojox.gfx.vml._bool = {"t": 1, "true": 1};

dojo.extend(dojox.gfx.Shape, {

	// summary: VML-specific implementation of dojox.gfx.Shape methods

	setFill: function(fill){

		// summary: sets a fill object (VML)

		// fill: Object: a fill object

		//	(see dojox.gfx.defaultLinearGradient,

		//	dojox.gfx.defaultRadialGradient,

		//	dojox.gfx.defaultPattern,

		//	or dojo.Color)

		if(!fill){

			// don't fill

			this.fillStyle = null;

			this.rawNode.filled = "f";

			return this;

		}

		if(typeof fill == "object" && "type" in fill){

			// gradient

			switch(fill.type){

				case "linear":

					var f = dojox.gfx.makeParameters(dojox.gfx.defaultLinearGradient, fill),

						s = [], a = f.colors, matrix = this._getRealMatrix(), m = dojox.gfx.matrix;

					this.fillStyle = f;

					dojo.forEach(a, function(v, i, a){

						a[i].color = dojox.gfx.normalizeColor(v.color);

					});

					if(a[0].offset > 0){

						s.push("0 " + a[0].color.toHex());

					}

					for(var i = 0; i < a.length; ++i){

						s.push(a[i].offset.toFixed(8) + " " + a[i].color.toHex());

					}

					var i = a.length - 1;

					if(a[i].offset < 1){

						s.push("1 " + a[i].color.toHex());

					}

					var fo = this.rawNode.fill;

					fo.colors.value = s.join(";");

					fo.method = "sigma";

					fo.type = "gradient";

					var fc1 = matrix ? m.multiplyPoint(matrix, f.x1, f.y1) : {x: f.x1, y: f.y1},

						fc2 = matrix ? m.multiplyPoint(matrix, f.x2, f.y2) : {x: f.x2, y: f.y2};

					fo.angle = (m._radToDeg(Math.atan2(fc2.x - fc1.x, fc2.y - fc1.y)) + 180) % 360;

					fo.on = true;

					break;

				case "radial":

					var f = dojox.gfx.makeParameters(dojox.gfx.defaultRadialGradient, fill);

					this.fillStyle = f;

					var l = parseFloat(this.rawNode.style.left),

						t = parseFloat(this.rawNode.style.top),

						w = parseFloat(this.rawNode.style.width),

						h = parseFloat(this.rawNode.style.height),

						c = isNaN(w) ? 1 : 2 * f.r / w,

						a = new Array(f.colors.length);

					// massage colors

					dojo.forEach(f.colors, function(v, i){

						a[i] = {offset: 1 - v.offset * c, color: dojox.gfx.normalizeColor(v.color)};

					});

					var i = a.length - 1;

					while(i >= 0 && a[i].offset < 0){ --i; }

					if(i < a.length - 1){

						// correct excessive colors

						var q = a[i], p = a[i + 1];

						p.color = dojo.blendColors(q.color, p.color, q.offset / (q.offset - p.offset));

						p.offset = 0;

						while(a.length - i > 2) a.pop();

					}

					// set colors

					var i = a.length - 1, s = [];

					if(a[i].offset > 0){

						s.push("0 " + a[i].color.toHex());

					}

					for(; i >= 0; --i){

						s.push(a[i].offset.toFixed(8) + " " + a[i].color.toHex());

					}

					if(a[0].offset < 1){

						s.push("1 " + a[0].color.toHex());

					}

					var fo = this.rawNode.fill;

					fo.colors.value = s.join(";");

					fo.method = "sigma";

					fo.type = "gradientradial";

					if(isNaN(w) || isNaN(h) || isNaN(l) || isNaN(t)){

						fo.focusposition = "0.5 0.5";

					}else{

						fo.focusposition = ((f.cx - l) / w).toFixed(8) + " " + ((f.cy - t) / h).toFixed(8);

					}

					fo.focussize = "0 0";

					fo.on = true;

					break;

				case "pattern":

					var f = dojox.gfx.makeParameters(dojox.gfx.defaultPattern, fill);

					this.fillStyle = f;

					var fo = this.rawNode.fill;

					fo.type = "tile";

					fo.src = f.src;

					if(f.width && f.height){

						// in points

						fo.size.x = dojox.gfx.px2pt(f.width);

						fo.size.y = dojox.gfx.px2pt(f.height);

					}

					fo.alignShape = "f";

					fo.position.x = 0;

					fo.position.y = 0;

					fo.origin.x = f.width  ? f.x / f.width  : 0;

					fo.origin.y = f.height ? f.y / f.height : 0;

					fo.on = true;

					break;

			}

			this.rawNode.fill.opacity = 1;

			return this;

		}

		// color object

		this.fillStyle = dojox.gfx.normalizeColor(fill);

		this.rawNode.fillcolor = this.fillStyle.toHex();

		this.rawNode.fill.opacity = this.fillStyle.a;

		this.rawNode.filled = true;

		return this;	// self

	},

	setStroke: function(stroke){

		// summary: sets a stroke object (VML)

		// stroke: Object: a stroke object

		//	(see dojox.gfx.defaultStroke)

		if(!stroke){

			// don't stroke

			this.strokeStyle = null;

			this.rawNode.stroked = "f";

			return this;

		}

		// normalize the stroke

		if(typeof stroke == "string"){

			stroke = {color: stroke};

		}

		var s = this.strokeStyle = dojox.gfx.makeParameters(dojox.gfx.defaultStroke, stroke);

		s.color = dojox.gfx.normalizeColor(s.color);

		// generate attributes

		var rn = this.rawNode;

		rn.stroked = true;

		rn.strokecolor = s.color.toCss();

		rn.strokeweight = s.width + "px";	// TODO: should we assume that the width is always in pixels?

		if(rn.stroke) {

			rn.stroke.opacity = s.color.a;

			rn.stroke.endcap = this._translate(this._capMap, s.cap);

			if(typeof s.join == "number") {

				rn.stroke.joinstyle = "miter";

				rn.stroke.miterlimit = s.join;

			}else{

				rn.stroke.joinstyle = s.join;

				// rn.stroke.miterlimit = s.width;

			}

			rn.stroke.dashstyle = s.style == "none" ? "Solid" : s.style;

		}

		return this;	// self

	},

	_capMap: { butt: 'flat' },

	_capMapReversed: { flat: 'butt' },

	_translate: function(dict, value) {

		return (value in dict) ? dict[value] : value;

	},

	_applyTransform: function() {

		if(this.fillStyle && this.fillStyle.type == "linear"){

			this.setFill(this.fillStyle);

		}

		var matrix = this._getRealMatrix();

		if(!matrix) return this;

		var skew = this.rawNode.skew;

		if(typeof skew == "undefined"){

			for(var i = 0; i < this.rawNode.childNodes.length; ++i){

				if(this.rawNode.childNodes[i].tagName == "skew"){

					skew = this.rawNode.childNodes[i];

					break;

				}

			}

		}

		if(skew){

			skew.on = "f";

			var mt = matrix.xx.toFixed(8) + " " + matrix.xy.toFixed(8) + " " +

				matrix.yx.toFixed(8) + " " + matrix.yy.toFixed(8) + " 0 0",

				offset = Math.floor(matrix.dx).toFixed() + "px " + Math.floor(matrix.dy).toFixed() + "px",

				s = this.rawNode.style,

				l = parseFloat(s.left),

				t = parseFloat(s.top),

				w = parseFloat(s.width),

				h = parseFloat(s.height);

			if(isNaN(l)) l = 0;

			if(isNaN(t)) t = 0;

			if(isNaN(w)) w = 1;

			if(isNaN(h)) h = 1;

			var origin = (-l / w - 0.5).toFixed(8) + " " + (-t / h - 0.5).toFixed(8);

			skew.matrix =  mt;

			skew.origin = origin;

			skew.offset = offset;

			skew.on = true;

		}

		return this;

	},

	setRawNode: function(rawNode){

		// summary:

		//	assigns and clears the underlying node that will represent this

		//	shape. Once set, transforms, gradients, etc, can be applied.

		//	(no fill & stroke by default)

		rawNode.stroked = "f";

		rawNode.filled  = "f";

		this.rawNode = rawNode;

	},

	// move family

	_moveToFront: function(){

		// summary: moves a shape to front of its parent's list of shapes (VML)

		this.rawNode.parentNode.appendChild(this.rawNode);

		return this;

	},

	_moveToBack: function(){

		// summary: moves a shape to back of its parent's list of shapes (VML)

		var r = this.rawNode, p = r.parentNode, n = p.firstChild;

		p.insertBefore(r, n);

		if(n.tagName == "rect"){

			// surface has a background rectangle, which position should be preserved

			n.swapNode(r);

		}

		return this;

	},

	_getRealMatrix: function(){

		// summary: returns the cumulative ("real") transformation matrix

		//	by combining the shape's matrix with its parent's matrix

		return this.parentMatrix ? new dojox.gfx.Matrix2D([this.parentMatrix, this.matrix]) : this.matrix;	// dojox.gfx.Matrix2D

	}

});

dojo.declare("dojox.gfx.Group", dojox.gfx.Shape, {

	// summary: a group shape (VML), which can be used

	//	to logically group shapes (e.g, to propagate matricies)

	constructor: function(){

		dojox.gfx.vml.Container._init.call(this);

	},

	// apply transformation

	_applyTransform: function(){

		// summary: applies a transformation matrix to a group

		var matrix = this._getRealMatrix();

		for(var i = 0; i < this.children.length; ++i){

			this.children[i]._updateParentMatrix(matrix);

		}

		return this;	// self

	}

});

dojox.gfx.Group.nodeType = "group";

dojo.declare("dojox.gfx.Rect", dojox.gfx.shape.Rect, {

	// summary: a rectangle shape (VML)

	setShape: function(newShape){

		// summary: sets a rectangle shape object (VML)

		// newShape: Object: a rectangle shape object

		var shape = this.shape = dojox.gfx.makeParameters(this.shape, newShape);

		this.bbox = null;

		var style = this.rawNode.style;

		style.left   = shape.x.toFixed();

		style.top    = shape.y.toFixed();

		style.width  = (typeof shape.width == "string" && shape.width.indexOf("%") >= 0)  ? shape.width  : shape.width.toFixed();

		style.height = (typeof shape.width == "string" && shape.height.indexOf("%") >= 0) ? shape.height : shape.height.toFixed();

		var r = Math.min(1, (shape.r / Math.min(parseFloat(shape.width), parseFloat(shape.height)))).toFixed(8);

		// a workaround for the VML's arcsize bug: cannot read arcsize of an instantiated node

		var parent = this.rawNode.parentNode, before = null;

		if(parent){

			if(parent.lastChild != this.rawNode){

				for(var i = 0; i < parent.childNodes.length; ++i){

					if(parent.childNodes[i] == this.rawNode){

						before = parent.childNodes[i+1];

						break;

					}

				}

			}

			parent.removeChild(this.rawNode);

		}

		this.rawNode.arcsize = r;

		if(parent){

			if(before){

				parent.insertBefore(this.rawNode, before);

			}else{

				parent.appendChild(this.rawNode);

			}

		}

		// set all necessary styles, which are lost by VML (yes, it's a VML's bug)

		return this.setTransform(this.matrix).setFill(this.fillStyle).setStroke(this.strokeStyle);	// self

	}

});

dojox.gfx.Rect.nodeType = "roundrect"; // use a roundrect so the stroke join type is respected

dojo.declare("dojox.gfx.Ellipse", dojox.gfx.shape.Ellipse, {

	// summary: an ellipse shape (VML)

	setShape: function(newShape){

		// summary: sets an ellipse shape object (VML)

		// newShape: Object: an ellipse shape object

		var shape = this.shape = dojox.gfx.makeParameters(this.shape, newShape);

		this.bbox = null;

		var style = this.rawNode.style;

		style.left   = (shape.cx - shape.rx).toFixed();

		style.top    = (shape.cy - shape.ry).toFixed();

		style.width  = (shape.rx * 2).toFixed();

		style.height = (shape.ry * 2).toFixed();

		return this.setTransform(this.matrix);	// self

	}

});

dojox.gfx.Ellipse.nodeType = "oval";

dojo.declare("dojox.gfx.Circle", dojox.gfx.shape.Circle, {

	// summary: a circle shape (VML)

	setShape: function(newShape){

		// summary: sets a circle shape object (VML)

		// newShape: Object: a circle shape object

		var shape = this.shape = dojox.gfx.makeParameters(this.shape, newShape);

		this.bbox = null;

		var style = this.rawNode.style;

		style.left   = (shape.cx - shape.r).toFixed();

		style.top    = (shape.cy - shape.r).toFixed();

		style.width  = (shape.r * 2).toFixed();

		style.height = (shape.r * 2).toFixed();

		return this;	// self

	}

});

dojox.gfx.Circle.nodeType = "oval";

dojo.declare("dojox.gfx.Line", dojox.gfx.shape.Line, {

	// summary: a line shape (VML)

	constructor: function(rawNode){

		if(rawNode) rawNode.setAttribute("dojoGfxType", "line");

	},

	setShape: function(newShape){

		// summary: sets a line shape object (VML)

		// newShape: Object: a line shape object

		var shape = this.shape = dojox.gfx.makeParameters(this.shape, newShape);

		this.bbox = null;

		this.rawNode.path.v = "m" + shape.x1.toFixed() + " " + shape.y1.toFixed() +

			"l" + shape.x2.toFixed() + " " + shape.y2.toFixed() + "e";

		return this.setTransform(this.matrix);	// self

	}

});

dojox.gfx.Line.nodeType = "shape";

dojo.declare("dojox.gfx.Polyline", dojox.gfx.shape.Polyline, {

	// summary: a polyline/polygon shape (VML)

	constructor: function(rawNode){

		if(rawNode) rawNode.setAttribute("dojoGfxType", "polyline");

	},

	setShape: function(points, closed){

		// summary: sets a polyline/polygon shape object (VML)

		// points: Object: a polyline/polygon shape object

		// closed: Boolean?: if true, close the polyline explicitely

		if(points && points instanceof Array){

			// branch

			// points: Array: an array of points

			this.shape = dojox.gfx.makeParameters(this.shape, { points: points });

			if(closed && this.shape.points.length) this.shape.points.push(this.shape.points[0]);

		}else{

			this.shape = dojox.gfx.makeParameters(this.shape, points);

		}

		this.bbox = null;

		var attr = [], p = this.shape.points;

		if(p.length > 0){

			attr.push("m");

			var k = 1;

			if(typeof p[0] == "number"){

				attr.push(p[0].toFixed());

				attr.push(p[1].toFixed());

				k = 2;

			}else{

				attr.push(p[0].x.toFixed());

				attr.push(p[0].y.toFixed());

			}

			if(p.length > k){

				attr.push("l");

				for(var i = k; i < p.length; ++i){

					if(typeof p[i] == "number"){

						attr.push(p[i].toFixed());

					}else{

						attr.push(p[i].x.toFixed());

						attr.push(p[i].y.toFixed());

					}

				}

			}

		}

		attr.push("e");

		this.rawNode.path.v = attr.join(" ");

		return this.setTransform(this.matrix);	// self

	}

});

dojox.gfx.Polyline.nodeType = "shape";

dojo.declare("dojox.gfx.Image", dojox.gfx.shape.Image, {

	// summary: an image (VML)

	constructor: function(rawNode){

		if(rawNode) rawNode.setAttribute("dojoGfxType", "image");

	},

	getEventSource: function() {

		// summary: returns a Node, which is used as

		//	a source of events for this shape

		return this.rawNode ? this.rawNode.firstChild : null;	// Node

	},

	setShape: function(newShape){

		// summary: sets an image shape object (VML)

		// newShape: Object: an image shape object

		var shape = this.shape = dojox.gfx.makeParameters(this.shape, newShape);

		this.bbox = null;

		var firstChild = this.rawNode.firstChild;

        firstChild.src = shape.src;

        if(shape.width || shape.height){

			firstChild.style.width  = shape.width;

			firstChild.style.height = shape.height;

        }

		return this.setTransform(this.matrix);	// self

	},

	_applyTransform: function() {

		var matrix = this._getRealMatrix();

		if(!matrix) return this;

		matrix = dojox.gfx.matrix.multiply(matrix, {dx: this.shape.x, dy: this.shape.y});

		var f = this.rawNode.filters["DXImageTransform.Microsoft.Matrix"];

		f.M11 = matrix.xx;

		f.M12 = matrix.xy;

		f.M21 = matrix.yx;

		f.M22 = matrix.yy;

		f.Dx  = matrix.dx;

		f.Dy  = matrix.dy;

		return this;

	}

});

dojox.gfx.Image.nodeType = "div";

dojo.declare("dojox.gfx.Text", dojox.gfx.shape.Text, {

	// summary: an anchored text (VML)

	constructor: function(rawNode){

		if(rawNode){rawNode.setAttribute("dojoGfxType", "text");}

		this.fontStyle = null;

	},

	_alignment: {start: "left", middle: "center", end: "right"},

	setShape: function(newShape){

		// summary: sets a text shape object (VML)

		// newShape: Object: a text shape object

		this.shape = dojox.gfx.makeParameters(this.shape, newShape);

		this.bbox = null;

		var r = this.rawNode, s = this.shape, x = s.x, y = s.y.toFixed();

		switch(s.align){

			case "middle":

				x -= 5;

				break;

			case "end":

				x -= 10;

				break;

		}

		this.rawNode.path.v = "m" + x.toFixed() + "," + y +

			"l" + (x + 10).toFixed() + "," + y + "e";

		// find path and text path

		var p = null, t = null, c = r.childNodes;

		for(var i = 0; i < c.length; ++i){

			var tag = c[i].tagName;

			if(tag == "path"){

				p = c[i];

				if(t) break;

			}else if(tag == "textpath"){

				t = c[i];

				if(p) break;

			}

		}

		if(!p){

			p = this.rawNode.ownerDocument.createElement("v:path");

			r.appendChild(p);

		}

		if(!t){

			t = this.rawNode.ownerDocument.createElement("v:textpath");

			r.appendChild(t);

		}

		p.textPathOk = true;

		t.on = true;

		var a = dojox.gfx.vml.text_alignment[s.align];

		t.style["v-text-align"] = a ? a : "left";

		t.style["text-decoration"] = s.decoration;

		t.style["v-rotate-letters"] = s.rotated;

		t.style["v-text-kern"] = s.kerning;

		t.string = s.text;

		return this.setTransform(this.matrix);	// self

	},

	_setFont: function(){

		// summary: sets a font object (VML)

		var f = this.fontStyle, c = this.rawNode.childNodes;

		for(var i = 0; i < c.length; ++i){

			if(c[i].tagName == "textpath"){

				c[i].style.font = dojox.gfx.makeFontString(f);

				break;

			}

		}

		this.setTransform(this.matrix);

	},

	_getRealMatrix: function(){

		// summary: returns the cumulative ("real") transformation matrix

		//	by combining the shape's matrix with its parent's matrix;

		//	it makes a correction for a font size

		var matrix = dojox.gfx.Shape.prototype._getRealMatrix.call(this);

		// It appears that text is always aligned vertically at a middle of x-height (???).

		// It is impossible to obtain these metrics from VML => I try to approximate it with

		// more-or-less util value of 0.7 * FontSize, which is typical for European fonts.

		if(matrix){

			matrix = dojox.gfx.matrix.multiply(matrix,

				{dy: -dojox.gfx.normalizedLength(this.fontStyle ? this.fontStyle.size : "10pt") * 0.35});

		}

		return matrix;	// dojox.gfx.Matrix2D

	},

	getTextWidth: function(){

		// summary: get the text width, in px

		var rawNode = this.rawNode, _display = rawNode.style.display;

		rawNode.style.display = "inline";

		var _width = dojox.gfx.pt2px(parseFloat(rawNode.currentStyle.width));

		rawNode.style.display = _display;

		return _width;

	}

});

dojox.gfx.Text.nodeType = "shape";

dojox.gfx.path._calcArc = function(alpha){

	// return a start point, 1st and 2nd control points, and an end point

	var cosa  = Math.cos(alpha), sina  = Math.sin(alpha),

		p2 = {x: cosa + (4 / 3) * (1 - cosa), y: sina - (4 / 3) * cosa * (1 - cosa) / sina};

	return {

		s:  {x: cosa, y: -sina},

		c1: {x: p2.x, y: -p2.y},

		c2: p2,

		e:  {x: cosa, y: sina}

	};

};

dojo.declare("dojox.gfx.Path", dojox.gfx.path.Path, {

	// summary: a path shape (VML)

	constructor: function(rawNode){

		if(rawNode && !rawNode.getAttribute("dojoGfxType")){

			rawNode.setAttribute("dojoGfxType", "path");

		}

		this.vmlPath = "";

		this.lastControl = {};

	},

	_updateWithSegment: function(segment){

		// summary: updates the bounding box of path with new segment

		// segment: Object: a segment

		var last = dojo.clone(this.last);

		dojox.gfx.Path.superclass._updateWithSegment.apply(this, arguments);

		// add a VML path segment

		var path = this[this.renderers[segment.action]](segment, last);

		if(typeof this.vmlPath == "string"){

			this.vmlPath += path.join("");

			this.rawNode.path.v = this.vmlPath + " r0,0 e";

		}else{

			this.vmlPath = this.vmlPath.concat(path);

		}

	},

	setShape: function(newShape){

		// summary: forms a path using a shape (VML)

		// newShape: Object: an VML path string or a path object (see dojox.gfx.defaultPath)

		this.vmlPath = [];

		this.lastControl = {};

		dojox.gfx.Path.superclass.setShape.apply(this, arguments);

		this.vmlPath = this.vmlPath.join("");

		this.rawNode.path.v = this.vmlPath + " r0,0 e";

		return this;

	},

	_pathVmlToSvgMap: {m: "M", l: "L", t: "m", r: "l", c: "C", v: "c", qb: "Q", x: "z", e: ""},

	// VML-specific segment renderers

	renderers: {

		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"

	},

	_addArgs: function(path, args, from, upto){

		if(typeof upto == "undefined"){

			upto = args.length;

		}

		if(typeof from == "undefined"){

			from = 0;

		}

		for(var i = from; i < upto; ++i){

			path.push(" ");

			path.push(args[i].toFixed());

		}

	},

	_addArgsAdjusted: function(path, last, args, from, upto){

		if(typeof upto == "undefined"){

			upto = args.length;

		}

		if(typeof from == "undefined"){

			from = 0;

		}

		for(var i = from; i < upto; i += 2){

			path.push(" ");

			path.push((last.x + args[i]).toFixed());

			path.push(" ");

			path.push((last.y + args[i + 1]).toFixed());

		}

	},

	_moveToA: function(segment){

		var p = [" m"], n = segment.args, l = n.length;

		if(l == 2){

			this._addArgs(p, n);

		}else{

			this._addArgs(p, n, 0, 2);

			p.push(" l");

			this._addArgs(p, n, 2);

		}

		this.lastControl = {};

		return p;

	},

	_moveToR: function(segment, last){

		var p = ["x" in last ? " t" : " m"], n = segment.args, l = n.length;

		if(l == 2){

			this._addArgs(p, n);

		}else{

			this._addArgs(p, n, 0, 2);

			p.push(" r");

			this._addArgs(p, n, 2);

		}

		this.lastControl = {};

		return p;

	},

	_lineToA: function(segment){

		var p = [" l"];

		this._addArgs(p, segment.args);

		this.lastControl = {};

		return p;

	},

	_lineToR: function(segment){

		var p = [" r"];

		this._addArgs(p, segment.args);

		this.lastControl = {};

		return p;

	},

	_hLineToA: function(segment, last){

		var p = [" l"], n = segment.args, l = n.length, y = " " + last.y.toFixed();

		for(var i = 0; i < l; ++i){

			p.push(" ");

			p.push(n[i].toFixed());

			p.push(y);

		}

		this.lastControl = {};

		return p;

	},

	_hLineToR: function(segment){

		var p = [" r"], n = segment.args, l = n.length;

		for(var i = 0; i < l; ++i){

			p.push(" ");

			p.push(n[i].toFixed());

			p.push(" 0");

		}

		this.lastControl = {};

		return p;

	},

	_vLineToA: function(segment, last){

		var p = [" l"], n = segment.args, l = n.length, x = " " + last.x.toFixed();

		for(var i = 0; i < l; ++i){

			p.push(x);

			p.push(" ");

			p.push(n[i].toFixed());

		}

		this.lastControl = {};

		return p;

	},

	_vLineToR: function(segment){

		var p = [" r"], n = segment.args, l = n.length;

		for(var i = 0; i < l; ++i){

			p.push(" 0 ");

			p.push(n[i].toFixed());

		}

		this.lastControl = {};

		return p;

	},

	_curveToA: function(segment){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 6){

			p.push(" c");

			this._addArgs(p, n, i, i + 6);

		}

		this.lastControl = {x: n[l - 4], y: n[l - 3], type: "C"};

		return p;

	},

	_curveToR: function(segment, last){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 6){

			p.push(" v");

			this._addArgs(p, n, i, i + 6);

			this.lastControl = {x: last.x + n[i + 2], y: last.y + n[i + 3]};

			last.x += n[i + 4];

			last.y += n[i + 5];

		}

		this.lastControl.type = "C";

		return p;

	},

	_smoothCurveToA: function(segment, last){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 4){

			p.push(" c");

			if(this.lastControl.type == "C"){

				this._addArgs(p, [

					2 * last.x - this.lastControl.x,

					2 * last.y - this.lastControl.y

				]);

			}else{

				this._addArgs(p, [last.x, last.y]);

			}

			this._addArgs(p, n, i, i + 4);

		}

		this.lastControl = {x: n[l - 4], y: n[l - 3], type: "C"};

		return p;

	},

	_smoothCurveToR: function(segment, last){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 4){

			p.push(" v");

			if(this.lastControl.type == "C"){

				this._addArgs(p, [

					last.x - this.lastControl.x,

					last.y - this.lastControl.y

				]);

			}else{

				this._addArgs(p, [0, 0]);

			}

			this._addArgs(p, n, i, i + 4);

			this.lastControl = {x: last.x + n[i], y: last.y + n[i + 1]};

			last.x += n[i + 2];

			last.y += n[i + 3];

		}

		this.lastControl.type = "C";

		return p;

	},

	_qCurveToA: function(segment){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 4){

			p.push(" qb");

			this._addArgs(p, n, i, i + 4);

		}

		this.lastControl = {x: n[l - 4], y: n[l - 3], type: "Q"};

		return p;

	},

	_qCurveToR: function(segment, last){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 4){

			p.push(" qb");

			this._addArgsAdjusted(p, last, n, i, i + 4);

			this.lastControl = {x: last.x + n[i], y: last.y + n[i + 1]};

			last.x += n[i + 2];

			last.y += n[i + 3];

		}

		this.lastControl.type = "Q";

		return p;

	},

	_qSmoothCurveToA: function(segment, last){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 2){

			p.push(" qb");

			if(this.lastControl.type == "Q"){

				this._addArgs(p, [

					this.lastControl.x = 2 * last.x - this.lastControl.x,

					this.lastControl.y = 2 * last.y - this.lastControl.y

				]);

			}else{

				this._addArgs(p, [

					this.lastControl.x = last.x,

					this.lastControl.y = last.y

				]);

			}

			this._addArgs(p, n, i, i + 2);

		}

		this.lastControl.type = "Q";

		return p;

	},

	_qSmoothCurveToR: function(segment, last){

		var p = [], n = segment.args, l = n.length;

		for(var i = 0; i < l; i += 2){

			p.push(" qb");

			if(this.lastControl.type == "Q"){

				this._addArgs(p, [

					this.lastControl.x = 2 * last.x - this.lastControl.x,

					this.lastControl.y = 2 * last.y - this.lastControl.y

				]);

			}else{

				this._addArgs(p, [

					this.lastControl.x = last.x,

					this.lastControl.y = last.y

				]);

			}

			this._addArgsAdjusted(p, last, n, i, i + 2);

		}

		this.lastControl.type = "Q";

		return p;

	},

	_arcTo: function(segment, last){

		var p = [], n = segment.args, l = n.length, relative = segment.action == "a";

		for(var i = 0; i < l; i += 7){

			var x1 = n[i + 5], y1 = n[i + 6];

			if(relative){

				x1 += last.x;

				y1 += last.y;

			}

			var result = dojox.gfx.arc.arcAsBezier(

				last, n[i], n[i + 1], n[i + 2],

				n[i + 3] ? 1 : 0, n[i + 4] ? 1 : 0,

				x1, y1

			);

			for(var j = 0; j < result.length; ++j){

				p.push(" c");

				this._addArgs(p, result[j]);

			}

			last = {x: x1, y: y1};

		}

		this.lastControl = {};

		return p;

	},

	_closePath: function(){

		this.lastControl = {};

		return ["x"];

	}

});

dojox.gfx.Path.nodeType = "shape";

dojo.declare("dojox.gfx.TextPath", dojox.gfx.Path, {

	// summary: a textpath shape (VML)

	constructor: function(rawNode){

		if(rawNode){rawNode.setAttribute("dojoGfxType", "textpath");}

		this.fontStyle = null;

		if(!("text" in this)){

			this.text = dojo.clone(dojox.gfx.defaultTextPath);

		}

		if(!("fontStyle" in this)){

			this.fontStyle = dojo.clone(dojox.gfx.defaultFont);

		}

	},

	setText: function(newText){

		// summary: sets a text to be drawn along the path

		this.text = dojox.gfx.makeParameters(this.text,

			typeof newText == "string" ? {text: newText} : newText);

		this._setText();

		return this;	// self

	},

	setFont: function(newFont){

		// summary: sets a font for text

		this.fontStyle = typeof newFont == "string" ?

			dojox.gfx.splitFontString(newFont) :

			dojox.gfx.makeParameters(dojox.gfx.defaultFont, newFont);

		this._setFont();

		return this;	// self

	},

	_setText: function(){

		// summary: sets a text shape object (VML)

		this.bbox = null;

		var r = this.rawNode, s = this.text,

			// find path and text path

			p = null, t = null, c = r.childNodes;

		for(var i = 0; i < c.length; ++i){

			var tag = c[i].tagName;

			if(tag == "path"){

				p = c[i];

				if(t) break;

			}else if(tag == "textpath"){

				t = c[i];

				if(p) break;

			}

		}

		if(!p){

			p = this.rawNode.ownerDocument.createElement("v:path");

			r.appendChild(p);

		}

		if(!t){

			t = this.rawNode.ownerDocument.createElement("v:textpath");

			r.appendChild(t);

		}

		p.textPathOk = true;

		t.on = true;

		var a = dojox.gfx.vml.text_alignment[s.align];

		t.style["v-text-align"] = a ? a : "left";

		t.style["text-decoration"] = s.decoration;

		t.style["v-rotate-letters"] = s.rotated;

		t.style["v-text-kern"] = s.kerning;

		t.string = s.text;

	},

	_setFont: function(){

		// summary: sets a font object (VML)

		var f = this.fontStyle, c = this.rawNode.childNodes;

		for(var i = 0; i < c.length; ++i){

			if(c[i].tagName == "textpath"){

				c[i].style.font = dojox.gfx.makeFontString(f);

				break;

			}

		}

	}

});

dojox.gfx.TextPath.nodeType = "shape";

dojo.declare("dojox.gfx.Surface", dojox.gfx.shape.Surface, {

	// summary: a surface object to be used for drawings (VML)

	constructor: function(){

		dojox.gfx.vml.Container._init.call(this);

	},

	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  = dojox.gfx.normalizedLength(width);	// in pixels

		this.height = dojox.gfx.normalizedLength(height);	// in pixels

		if(!this.rawNode) return this;

		var cs = this.clipNode.style,

			r = this.rawNode, rs = r.style,

			bs = this.bgNode.style;

		cs.width  = width;

		cs.height = height;

		cs.clip = "rect(0 " + width + " " + height + " 0)";

		rs.width = width;

		rs.height = height;

		r.coordsize = width + " " + height;

		bs.width = width;

		bs.height = height;

		return this;	// self

	},

	getDimensions: function(){

		// summary: returns an object with properties "width" and "height"

		var t = this.rawNode ? {

			width:  dojox.gfx.normalizedLength(this.rawNode.style.width),

			height: dojox.gfx.normalizedLength(this.rawNode.style.height)} : null;

		if(t.width  <= 0){ t.width  = this.width; }

		if(t.height <= 0){ t.height = this.height; }

		return t;	// Object

	}

});

dojox.gfx.createSurface = function(parentNode, width, height){

	// summary: creates a surface (VML)

	// 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 dojox.gfx.Surface(), p = dojo.byId(parentNode),

		c = s.clipNode = p.ownerDocument.createElement("div"),

		r = s.rawNode = p.ownerDocument.createElement("v:group"),

		cs = c.style, rs = r.style;

	p.style.width  = width;

	p.style.height = height;

	cs.width  = width;

	cs.height = height;

	cs.clip = "rect(0 " + width + " " + height + " 0)";

	cs.position = "absolute";

	rs.width  = width;

	rs.height = height;

	r.coordsize = (width == "100%" ? width : parseFloat(width)) + " " +

		(height == "100%" ? height : parseFloat(height));