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vml.js
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vml.js
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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));
r.coordorigin = "0 0";
// create a background rectangle, which is required to show all other shapes
var b = s.bgNode = r.ownerDocument.createElement("v:rect"), bs = b.style;
bs.left = bs.top = 0;
bs.width = rs.width;
bs.height = rs.height;
b.filled = b.stroked = "f";
r.appendChild(b);
c.appendChild(r);
p.appendChild(c);
s.width = dojox.gfx.normalizedLength(width); // in pixels
s.height = dojox.gfx.normalizedLength(height); // in pixels
return s; // dojox.gfx.Surface
};
// Extenders
dojox.gfx.vml.Container = {
_init: function(){
dojox.gfx.shape.Container._init.call(this);
},
add: function(shape){
// summary: adds a shape to a group/surface
// shape: dojox.gfx.Shape: an VML shape object
if(this != shape.getParent()){
this.rawNode.appendChild(shape.rawNode);
//dojox.gfx.Group.superclass.add.apply(this, arguments);
//this.inherited(arguments);
dojox.gfx.shape.Container.add.apply(this, arguments);
}
return this; // self
},
remove: function(shape, silently){
// summary: remove a shape from a group/surface
// shape: dojox.gfx.Shape: an VML shape object
// silently: Boolean?: if true, regenerate a picture
if(this == shape.getParent()){
if(this.rawNode == shape.rawNode.parentNode){
this.rawNode.removeChild(shape.rawNode);
}
//dojox.gfx.Group.superclass.remove.apply(this, arguments);
//this.inherited(arguments);
dojox.gfx.shape.Container.remove.apply(this, arguments);
}
return this; // self
},
clear: function(){
// summary: removes all shapes from a group/surface
var r = this.rawNode;
while(r.firstChild != r.lastChild){
if(r.firstChild != this.bgNode){
r.removeChild(r.firstChild);
}
if(r.lastChild != this.bgNode){
r.removeChild(r.lastChild);
}
}
//return this.inherited(arguments); // self
return dojox.gfx.shape.Container.clear.apply(this, arguments);
},
_moveChildToFront: dojox.gfx.shape.Container._moveChildToFront,
_moveChildToBack: dojox.gfx.shape.Container._moveChildToBack
};
dojo.mixin(dojox.gfx.shape.Creator, {
// summary: VML shape creators
createGroup: function(){
// summary: creates a VML group shape
var g = this.createObject(dojox.gfx.Group, null); // dojox.gfx.Group
// create a background rectangle, which is required to show all other shapes
var r = g.rawNode.ownerDocument.createElement("v:rect");
r.style.left = r.style.top = 0;
r.style.width = g.rawNode.style.width;
r.style.height = g.rawNode.style.height;
r.filled = r.stroked = "f";
g.rawNode.appendChild(r);
g.bgNode = r;
return g; // dojox.gfx.Group
},
createImage: function(image){
// summary: creates a VML image shape
// image: Object: an image object (see dojox.gfx.defaultImage)
if(!this.rawNode) return null;
var shape = new dojox.gfx.Image(), node = this.rawNode.ownerDocument.createElement('div');
node.style.position = "absolute";
node.style.width = this.rawNode.style.width;
node.style.height = this.rawNode.style.height;
node.style.filter = "progid:DXImageTransform.Microsoft.Matrix(M11=1, M12=0, M21=0, M22=1, Dx=0, Dy=0)";
var img = this.rawNode.ownerDocument.createElement('img');
node.appendChild(img);
shape.setRawNode(node);
this.rawNode.appendChild(node);
shape.setShape(image);
this.add(shape);
return shape; // dojox.gfx.Image
},
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
if(!this.rawNode) return null;
var shape = new shapeType(),
node = this.rawNode.ownerDocument.createElement('v:' + shapeType.nodeType);
shape.setRawNode(node);
this.rawNode.appendChild(node);
switch(shapeType){
case dojox.gfx.Group:
case dojox.gfx.Line:
case dojox.gfx.Polyline:
case dojox.gfx.Text:
case dojox.gfx.Path:
case dojox.gfx.TextPath:
this._overrideSize(node);
}
shape.setShape(rawShape);
this.add(shape);
return shape; // dojox.gfx.Shape
},
_overrideSize: function(node){
var p = this;
for(; p && !(p instanceof dojox.gfx.Surface); p = p.parent);
node.style.width = p.width;
node.style.height = p.height;
node.coordsize = p.width + " " + p.height;
}
});
dojo.extend(dojox.gfx.Group, dojox.gfx.vml.Container);
dojo.extend(dojox.gfx.Group, dojox.gfx.shape.Creator);
dojo.extend(dojox.gfx.Surface, dojox.gfx.vml.Container);
dojo.extend(dojox.gfx.Surface, dojox.gfx.shape.Creator);
}

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