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Struts example source code file (vml.js)
The Struts vml.js source code/* Copyright (c) 2004-2006, The Dojo Foundation All Rights Reserved. Licensed under the Academic Free License version 2.1 or above OR the modified BSD license. For more information on Dojo licensing, see: http://dojotoolkit.org/community/licensing.shtml */ dojo.provide("dojo.gfx.vml"); dojo.require("dojo.dom"); dojo.require("dojo.math"); dojo.require("dojo.lang.declare"); dojo.require("dojo.lang.extras"); dojo.require("dojo.string.*"); dojo.require("dojo.html.metrics"); dojo.require("dojo.gfx.color"); dojo.require("dojo.gfx.common"); dojo.require("dojo.gfx.shape"); dojo.require("dojo.gfx.path"); dojo.require("dojo.experimental"); dojo.experimental("dojo.gfx.vml"); dojo.gfx.vml.xmlns = "urn:schemas-microsoft-com:vml"; dojo.gfx.vml._parseFloat = function (str) { return str.match(/^\d+f$/i) ? parseInt(str) / 65536 : parseFloat(str); }; dojo.gfx.vml.cm_in_pt = 72 / 2.54; dojo.gfx.vml.mm_in_pt = 7.2 / 2.54; dojo.gfx.vml.px_in_pt = function () { return dojo.html.getCachedFontMeasurements()["12pt"] / 12; }; dojo.gfx.vml.pt2px = function (len) { return len * this.px_in_pt(); }; dojo.gfx.vml.px2pt = function (len) { return len / this.px_in_pt(); }; dojo.gfx.vml.normalizedLength = function (len) { if (len.length == 0) { return 0; } if (len.length > 2) { var px_in_pt = this.px_in_pt(); var val = parseFloat(len); switch (len.slice(-2)) { case "px": return val; case "pt": return val * px_in_pt; case "in": return val * 72 * px_in_pt; case "pc": return val * 12 * px_in_pt; case "mm": return val / this.mm_in_pt * px_in_pt; case "cm": return val / this.cm_in_pt * px_in_pt; } } return parseFloat(len); }; dojo.lang.extend(dojo.gfx.Shape, {setFill:function (fill) { if (!fill) { this.fillStyle = null; this.rawNode.filled = false; return this; } if (typeof (fill) == "object" && "type" in fill) { switch (fill.type) { case "linear": var f = dojo.gfx.makeParameters(dojo.gfx.defaultLinearGradient, fill); this.fillStyle = f; var s = ""; for (var i = 0; i < f.colors.length; ++i) { f.colors[i].color = dojo.gfx.normalizeColor(f.colors[i].color); s += f.colors[i].offset.toFixed(8) + " " + f.colors[i].color.toHex() + ";"; } var fo = this.rawNode.fill; fo.colors.value = s; fo.method = "sigma"; fo.type = "gradient"; fo.angle = (dojo.math.radToDeg(Math.atan2(f.x2 - f.x1, f.y2 - f.y1)) + 180) % 360; fo.on = true; break; case "radial": var f = dojo.gfx.makeParameters(dojo.gfx.defaultRadialGradient, fill); this.fillStyle = f; var w = parseFloat(this.rawNode.style.width); var h = parseFloat(this.rawNode.style.height); var c = isNaN(w) ? 1 : 2 * f.r / w; var i = f.colors.length - 1; f.colors[i].color = dojo.gfx.normalizeColor(f.colors[i].color); var s = "0 " + f.colors[i].color.toHex(); for (; i >= 0; --i) { f.colors[i].color = dojo.gfx.normalizeColor(f.colors[i].color); s += (1 - c * f.colors[i].offset).toFixed(8) + " " + f.colors[i].color.toHex() + ";"; } var fo = this.rawNode.fill; fo.colors.value = s; fo.method = "sigma"; fo.type = "gradientradial"; if (isNaN(w) || isNaN(h)) { fo.focusposition = "0.5 0.5"; } else { fo.focusposition = (f.cx / w).toFixed(8) + " " + (f.cy / h).toFixed(8); } fo.focussize = "0 0"; fo.on = true; break; case "pattern": var f = dojo.gfx.makeParameters(dojo.gfx.defaultPattern, fill); this.fillStyle = f; var fo = this.rawNode.fill; fo.type = "tile"; fo.src = f.src; if (f.width && f.height) { fo.size.x = dojo.gfx.vml.px2pt(f.width); fo.size.y = dojo.gfx.vml.px2pt(f.height); } fo.alignShape = false; 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; } this.fillStyle = dojo.gfx.normalizeColor(fill); this.rawNode.fillcolor = this.fillStyle.toHex(); this.rawNode.fill.opacity = this.fillStyle.a; this.rawNode.filled = true; return this; }, setStroke:function (stroke) { if (!stroke) { this.strokeStyle = null; this.rawNode.stroked = false; return this; } this.strokeStyle = dojo.gfx.makeParameters(dojo.gfx.defaultStroke, stroke); this.strokeStyle.color = dojo.gfx.normalizeColor(this.strokeStyle.color); var s = this.strokeStyle; this.rawNode.stroked = true; this.rawNode.strokecolor = s.color.toCss(); this.rawNode.strokeweight = s.width + "px"; if (this.rawNode.stroke) { this.rawNode.stroke.opacity = s.color.a; this.rawNode.stroke.endcap = this._translate(this._capMap, s.cap); if (typeof (s.join) == "number") { this.rawNode.stroke.joinstyle = "miter"; this.rawNode.stroke.miterlimit = s.join; } else { this.rawNode.stroke.joinstyle = s.join; } } return this; }, _capMap:{butt:"flat"}, _capMapReversed:{flat:"butt"}, _translate:function (dict, value) { return (value in dict) ? dict[value] : value; }, _applyTransform:function () { 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 = false; var mt = matrix.xx.toFixed(8) + " " + matrix.xy.toFixed(8) + " " + matrix.yx.toFixed(8) + " " + matrix.yy.toFixed(8) + " 0 0"; var offset = Math.floor(matrix.dx).toFixed() + "px " + Math.floor(matrix.dy).toFixed() + "px"; var l = parseFloat(this.rawNode.style.left); var t = parseFloat(this.rawNode.style.top); var w = parseFloat(this.rawNode.style.width); var h = parseFloat(this.rawNode.style.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) { rawNode.stroked = false; rawNode.filled = false; this.rawNode = rawNode; }, attachFill:function (rawNode) { var fillStyle = null; var fo = rawNode.fill; if (rawNode) { if (fo.on && fo.type == "gradient") { var fillStyle = dojo.lang.shallowCopy(dojo.gfx.defaultLinearGradient, true); var rad = dojo.math.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:dojo.gfx.vml._parseFloat(t[0]), color:new dojo.gfx.color.Color(t[1])}); } } else { if (fo.on && fo.type == "gradientradial") { var fillStyle = dojo.lang.shallowCopy(dojo.gfx.defaultRadialGradient, true); var w = parseFloat(rawNode.style.width); var h = parseFloat(rawNode.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:dojo.gfx.vml._parseFloat(t[0]), color:new dojo.gfx.color.Color(t[1])}); } } else { if (fo.on && fo.type == "tile") { var fillStyle = dojo.lang.shallowCopy(dojo.gfx.defaultPattern, true); fillStyle.width = dojo.gfx.vml.pt2px(fo.size.x); fillStyle.height = dojo.gfx.vml.pt2px(fo.size.y); fillStyle.x = fo.origin.x * fillStyle.width; fillStyle.y = fo.origin.y * fillStyle.height; fillStyle.src = fo.src; } else { if (fo.on && rawNode.fillcolor) { fillStyle = new dojo.gfx.color.Color(rawNode.fillcolor + ""); fillStyle.a = fo.opacity; } } } } } return fillStyle; }, attachStroke:function (rawNode) { var strokeStyle = dojo.lang.shallowCopy(dojo.gfx.defaultStroke, true); if (rawNode && rawNode.stroked) { strokeStyle.color = new dojo.gfx.color.Color(rawNode.strokecolor.value); dojo.debug("We are expecting an .75pt here, instead of strokeweight = " + rawNode.strokeweight); strokeStyle.width = dojo.gfx.vml.normalizedLength(rawNode.strokeweight + ""); strokeStyle.color.a = rawNode.stroke.opacity; strokeStyle.cap = this._translate(this._capMapReversed, rawNode.stroke.endcap); strokeStyle.join = rawNode.stroke.joinstyle == "miter" ? rawNode.stroke.miterlimit : rawNode.stroke.joinstyle; } else { return null; } return strokeStyle; }, attachTransform:function (rawNode) { var matrix = {}; if (rawNode) { var s = rawNode.skew; matrix.xx = s.matrix.xtox; matrix.xy = s.matrix.ytox; matrix.yx = s.matrix.xtoy; matrix.yy = s.matrix.ytoy; matrix.dx = dojo.gfx.vml.pt2px(s.offset.x); matrix.dy = dojo.gfx.vml.pt2px(s.offset.y); } return dojo.gfx.matrix.normalize(matrix); }, attach:function (rawNode) { if (rawNode) { this.rawNode = rawNode; this.shape = this.attachShape(rawNode); this.fillStyle = this.attachFill(rawNode); this.strokeStyle = this.attachStroke(rawNode); this.matrix = this.attachTransform(rawNode); } }}); dojo.declare("dojo.gfx.Group", dojo.gfx.shape.VirtualGroup, {add:function (shape) { if (this != shape.getParent()) { this.rawNode.appendChild(shape.rawNode); dojo.gfx.Group.superclass.add.apply(this, arguments); } return this; }, remove:function (shape, silently) { if (this == shape.getParent()) { if (this.rawNode == shape.rawNode.parentNode) { this.rawNode.removeChild(shape.rawNode); } dojo.gfx.Group.superclass.remove.apply(this, arguments); } return this; }, attach:function (rawNode) { if (rawNode) { this.rawNode = rawNode; this.shape = null; this.fillStyle = null; this.strokeStyle = null; this.matrix = null; } }}); dojo.gfx.Group.nodeType = "group"; var zIndex = {moveToFront:function () { this.rawNode.parentNode.appendChild(this.rawNode); return this; }, moveToBack:function () { this.rawNode.parentNode.insertBefore(this.rawNode, this.rawNode.parentNode.firstChild); return this; }}; dojo.lang.extend(dojo.gfx.Shape, zIndex); dojo.lang.extend(dojo.gfx.Group, zIndex); delete zIndex; dojo.declare("dojo.gfx.Rect", dojo.gfx.shape.Rect, {attachShape:function (rawNode) { var arcsize = rawNode.outerHTML.match(/arcsize = \"(\d*\.?\d+[%f]?)\"/)[1]; arcsize = (arcsize.indexOf("%") >= 0) ? parseFloat(arcsize) / 100 : dojo.gfx.vml._parseFloat(arcsize); var style = rawNode.style; var width = parseFloat(style.width); var height = parseFloat(style.height); var o = dojo.gfx.makeParameters(dojo.gfx.defaultRect, {x:parseInt(style.left), y:parseInt(style.top), width:width, height:height, r:Math.min(width, height) * arcsize}); return o; }, setShape:function (newShape) { var shape = this.shape = dojo.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); var parent = this.rawNode.parentNode; var 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); } } return this.setTransform(this.matrix); }}); dojo.gfx.Rect.nodeType = "roundrect"; dojo.declare("dojo.gfx.Ellipse", dojo.gfx.shape.Ellipse, {attachShape:function (rawNode) { var style = this.rawNode.style; var rx = parseInt(style.width) / 2; var ry = parseInt(style.height) / 2; var o = dojo.gfx.makeParameters(dojo.gfx.defaultEllipse, {cx:parseInt(style.left) + rx, cy:parseInt(style.top) + ry, rx:rx, ry:ry}); return o; }, setShape:function (newShape) { var shape = this.shape = dojo.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); }}); dojo.gfx.Ellipse.nodeType = "oval"; dojo.declare("dojo.gfx.Circle", dojo.gfx.shape.Circle, {attachShape:function (rawNode) { var style = this.rawNode.style; var r = parseInt(style.width) / 2; var o = dojo.gfx.makeParameters(dojo.gfx.defaultCircle, {cx:parseInt(style.left) + r, cy:parseInt(style.top) + r, r:r}); return o; }, setShape:function (newShape) { var shape = this.shape = dojo.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; }}); dojo.gfx.Circle.nodeType = "oval"; dojo.declare("dojo.gfx.Line", dojo.gfx.shape.Line, function (rawNode) { if (rawNode) { rawNode.setAttribute("dojoGfxType", "line"); } }, {attachShape:function (rawNode) { var p = rawNode.path.v.match(dojo.gfx.pathRegExp); var shape = {}; 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); return dojo.gfx.makeParameters(dojo.gfx.defaultLine, shape); }, setShape:function (newShape) { var shape = this.shape = dojo.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); }}); dojo.gfx.Line.nodeType = "shape"; dojo.declare("dojo.gfx.Polyline", dojo.gfx.shape.Polyline, function (rawNode) { if (rawNode) { rawNode.setAttribute("dojoGfxType", "polyline"); } }, {attachShape:function (rawNode) { var shape = dojo.lang.shallowCopy(dojo.gfx.defaultPolyline, true); var p = rawNode.path.v.match(dojo.gfx.pathRegExp); do { if (p.length < 3 || p[0] != "m") { break; } var x = parseInt(p[0]); var 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); return shape; }, setShape:function (points, closed) { if (points && points instanceof Array) { this.shape = dojo.gfx.makeParameters(this.shape, {points:points}); if (closed && this.shape.points.length) { this.shape.points.push(this.shape.points[0]); } } else { this.shape = dojo.gfx.makeParameters(this.shape, points); } this.bbox = null; var attr = []; var p = this.shape.points; if (p.length > 0) { attr.push("m"); attr.push(p[0].x.toFixed()); attr.push(p[0].y.toFixed()); if (p.length > 1) { attr.push("l"); for (var i = 1; i < p.length; ++i) { 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); }}); dojo.gfx.Polyline.nodeType = "shape"; dojo.declare("dojo.gfx.Image", dojo.gfx.shape.Image, {getEventSource:function () { return this.rawNode ? this.rawNode.firstChild : null; }, attachShape:function (rawNode) { var shape = dojo.lang.shallowCopy(dojo.gfx.defaultImage, true); shape.src = rawNode.firstChild.src; return shape; }, setShape:function (newShape) { var shape = this.shape = dojo.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); }, setStroke:function () { return this; }, setFill:function () { return this; }, attachStroke:function (rawNode) { return null; }, attachFill:function (rawNode) { return null; }, attachTransform:function (rawNode) { var matrix = {}; if (rawNode) { var m = rawNode.filters["DXImageTransform.Microsoft.Matrix"]; matrix.xx = m.M11; matrix.xy = m.M12; matrix.yx = m.M21; matrix.yy = m.M22; matrix.dx = m.Dx; matrix.dy = m.Dy; } return dojo.gfx.matrix.normalize(matrix); }, _applyTransform:function () { var matrix = this._getRealMatrix(); if (!matrix) { return this; } with (this.rawNode.filters["DXImageTransform.Microsoft.Matrix"]) { M11 = matrix.xx; M12 = matrix.xy; M21 = matrix.yx; M22 = matrix.yy; Dx = matrix.dx; Dy = matrix.dy; } return this; }}); dojo.gfx.Image.nodeType = "image"; dojo.gfx.path._calcArc = function (alpha) { var cosa = Math.cos(alpha); var sina = Math.sin(alpha); var p2 = {x:cosa + (4 / 3) * (1 - cosa), y:sina - (4 / 3) * cosa * (1 - cosa) / sina}; return {s:{x:cosa, y:sina}, c1:p2, c2:{x:p2.x, y:-p2.y}, e:{x:cosa, y:-sina}}; }; dojo.declare("dojo.gfx.Path", dojo.gfx.path.Path, function (rawNode) { if (rawNode) { rawNode.setAttribute("dojoGfxType", "path"); } this.vmlPath = ""; this.lastControl = {}; }, {_updateWithSegment:function (segment) { var last = dojo.lang.shallowCopy(this.last); dojo.gfx.Path.superclass._updateWithSegment.apply(this, arguments); var path = this[this.renderers[segment.action]](segment, last); if (typeof (this.vmlPath) == "string") { this.vmlPath += path.join(""); } else { this.vmlPath = this.vmlPath.concat(path); } if (typeof (this.vmlPath) == "string") { this.rawNode.path.v = this.vmlPath + " e"; } }, attachShape:function (rawNode) { var shape = dojo.lang.shallowCopy(dojo.gfx.defaultPath, true); var p = rawNode.path.v.match(dojo.gfx.pathRegExp); var t = [], skip = false; for (var i = 0; i < p.length; ++p) { var s = p[i]; if (s in this._pathVmlToSvgMap) { skip = false; t.push(this._pathVmlToSvgMap[s]); } else { if (!skip) { var n = parseInt(s); if (isNaN(n)) { skip = true; } else { t.push(n); } } } } if (t.length) { shape.path = t.join(" "); } return shape; }, setShape:function (newShape) { this.vmlPath = []; this.lastControl = {}; dojo.gfx.Path.superclass.setShape.apply(this, arguments); this.vmlPath = this.vmlPath.join(""); this.rawNode.path.v = this.vmlPath + " e"; return this; }, _pathVmlToSvgMap:{m:"M", l:"L", t:"m", r:"l", c:"C", v:"c", qb:"Q", x:"z", e:""}, 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"]; var n = segment.args; var 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"]; var n = segment.args; var 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"]; var n = segment.args; var l = n.length; var 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"]; var n = segment.args; var 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"]; var n = segment.args; var l = n.length; var 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"]; var n = segment.args; var 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 = []; var n = segment.args; var 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 = []; var n = segment.args; var 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 = []; var n = segment.args; var 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 = []; var n = segment.args; var 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 = []; var n = segment.args; var 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 = []; var n = segment.args; var 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 = []; var n = segment.args; var 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 = []; var n = segment.args; var 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; }, _PI4:Math.PI / 4, _curvePI4:dojo.gfx.path._calcArc(Math.PI / 8), _calcArcTo:function (path, last, rx, ry, xRotg, large, cw, x, y) { var m = dojo.gfx.matrix; var xRot = -dojo.math.degToRad(xRotg); var rx2 = rx * rx; var ry2 = ry * ry; var pa = m.multiplyPoint(m.rotate(-xRot), {x:(last.x - x) / 2, y:(last.y - y) / 2}); var pax2 = pa.x * pa.x; var pay2 = pa.y * pa.y; var c1 = Math.sqrt((rx2 * ry2 - rx2 * pay2 - ry2 * pax2) / (rx2 * pay2 + ry2 * pax2)); var ca = {x:c1 * rx * pa.y / ry, y:-c1 * ry * pa.x / rx}; if (large == cw) { ca = {x:-ca.x, y:-ca.y}; } var c = m.multiplyPoint([m.translate((last.x + x) / 2, (last.y + y) / 2), m.rotate(xRot)], ca); var startAngle = Math.atan2(c.y - last.y, last.x - c.x) - xRot; var endAngle = Math.atan2(c.y - y, x - c.x) - xRot; var theta = cw ? startAngle - endAngle : endAngle - startAngle; if (theta < 0) { theta += this._2PI; } else { if (theta > this._2PI) { theta = this._2PI; } } var elliptic_transform = m.normalize([m.translate(c.x, c.y), m.rotate(xRot), m.scale(rx, ry)]); var alpha = this._PI4 / 2; var curve = this._curvePI4; var step = cw ? -alpha : alpha; for (var angle = theta; angle > 0; angle -= this._PI4) { if (angle < this._PI4) { alpha = angle / 2; curve = dojo.gfx.path._calcArc(alpha); step = cw ? -alpha : alpha; } var c1, c2, e; var M = m.normalize([elliptic_transform, m.rotate(startAngle + step)]); if (cw) { c1 = m.multiplyPoint(M, curve.c2); c2 = m.multiplyPoint(M, curve.c1); e = m.multiplyPoint(M, curve.s); } else { c1 = m.multiplyPoint(M, curve.c1); c2 = m.multiplyPoint(M, curve.c2); e = m.multiplyPoint(M, curve.e); } path.push(" c"); this._addArgs(path, [c1.x, c1.y, c2.x, c2.y, e.x, e.y]); startAngle += 2 * step; } }, _arcTo:function (segment, last) { var p = []; var n = segment.args; var l = n.length; var relative = segment.action == "a"; for (var i = 0; i < l; i += 7) { var x1 = n[i + 5]; var y1 = n[i + 6]; if (relative) { x1 += last.x; y1 += last.y; } this._calcArcTo(p, last, n[i], n[i + 1], n[i + 2], n[i + 3] ? 1 : 0, n[i + 4] ? 1 : 0, x1, y1); last = {x:x1, y:y1}; } this.lastControl = {}; return p; }, _closePath:function () { this.lastControl = {}; return ["x"]; }}); dojo.gfx.Path.nodeType = "shape"; dojo.gfx._creators = {createPath:function (path) { return this.createObject(dojo.gfx.Path, path, true); }, createRect:function (rect) { return this.createObject(dojo.gfx.Rect, rect); }, createCircle:function (circle) { return this.createObject(dojo.gfx.Circle, circle); }, createEllipse:function (ellipse) { return this.createObject(dojo.gfx.Ellipse, ellipse); }, createLine:function (line) { return this.createObject(dojo.gfx.Line, line, true); }, createPolyline:function (points) { return this.createObject(dojo.gfx.Polyline, points, true); }, createImage:function (image) { if (!this.rawNode) { return null; } var shape = new dojo.gfx.Image(); var node = document.createElement("div"); node.style.position = "relative"; 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 = document.createElement("img"); node.appendChild(img); shape.setRawNode(node); this.rawNode.appendChild(node); shape.setShape(image); this.add(shape); return shape; }, createGroup:function () { return this.createObject(dojo.gfx.Group, null, true); }, createObject:function (shapeType, rawShape, overrideSize) { if (!this.rawNode) { return null; } var shape = new shapeType(); var node = document.createElement("v:" + shapeType.nodeType); shape.setRawNode(node); this.rawNode.appendChild(node); if (overrideSize) { this._overrideSize(node); } shape.setShape(rawShape); this.add(shape); return shape; }, _overrideSize:function (node) { node.style.width = this.rawNode.style.width; node.style.height = this.rawNode.style.height; node.coordsize = parseFloat(node.style.width) + " " + parseFloat(node.style.height); }}; dojo.lang.extend(dojo.gfx.Group, dojo.gfx._creators); dojo.lang.extend(dojo.gfx.Surface, dojo.gfx._creators); delete dojo.gfx._creators; dojo.gfx.attachNode = function (node) { if (!node) { return null; } var s = null; switch (node.tagName.toLowerCase()) { case dojo.gfx.Rect.nodeType: s = new dojo.gfx.Rect(); break; case dojo.gfx.Ellipse.nodeType: s = (node.style.width == node.style.height) ? new dojo.gfx.Circle() : new dojo.gfx.Ellipse(); break; case dojo.gfx.Path.nodeType: switch (node.getAttribute("dojoGfxType")) { case "line": s = new dojo.gfx.Line(); break; case "polyline": s = new dojo.gfx.Polyline(); break; case "path": s = new dojo.gfx.Path(); break; } break; case dojo.gfx.Image.nodeType: s = new dojo.gfx.Image(); break; default: dojo.debug("FATAL ERROR! tagName = " + node.tagName); } s.attach(node); return s; }; dojo.lang.extend(dojo.gfx.Surface, {setDimensions:function (width, height) { if (!this.rawNode) { return this; } this.rawNode.style.width = width; this.rawNode.style.height = height; this.rawNode.coordsize = width + " " + height; return this; }, getDimensions:function () { return this.rawNode ? {width:this.rawNode.style.width, height:this.rawNode.style.height} : null; }, add:function (shape) { var oldParent = shape.getParent(); if (this != oldParent) { this.rawNode.appendChild(shape.rawNode); if (oldParent) { oldParent.remove(shape, true); } shape._setParent(this, null); } return this; }, remove:function (shape, silently) { if (this == shape.getParent()) { if (this.rawNode == shape.rawNode.parentNode) { this.rawNode.removeChild(shape.rawNode); } shape._setParent(null, null); } return this; }}); dojo.gfx.createSurface = function (parentNode, width, height) { var s = new dojo.gfx.Surface(); s.rawNode = document.createElement("v:group"); s.rawNode.style.width = width ? width : "100%"; s.rawNode.style.height = height ? height : "100%"; s.rawNode.coordsize = (width && height) ? (parseFloat(width) + " " + parseFloat(height)) : "100% 100%"; s.rawNode.coordorigin = "0 0"; dojo.byId(parentNode).appendChild(s.rawNode); return s; }; dojo.gfx.attachSurface = function (node) { var s = new dojo.gfx.Surface(); s.rawNode = node; return s; }; Other Struts examples (source code examples)Here is a short list of links related to this Struts vml.js source code file: |
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