X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/6e39d509471fe9b4e2660e0d1631b350d0c66f40..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/docs/source/Vml.html
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+Sencha Documentation Project/**
+ * @class Ext.draw.engine.Vml
+ * @extends Ext.draw.Surface
+ * Provides specific methods to draw with VML.
+ */
+
+Ext.define('Ext.draw.engine.Vml', {
+
+ /* Begin Definitions */
+
+ extend: 'Ext.draw.Surface',
+
+ requires: ['Ext.draw.Draw', 'Ext.draw.Color', 'Ext.draw.Sprite', 'Ext.draw.Matrix', 'Ext.core.Element'],
+
+ /* End Definitions */
+
+ engine: 'Vml',
+
+ map: {M: "m", L: "l", C: "c", Z: "x", m: "t", l: "r", c: "v", z: "x"},
+ bitesRe: /([clmz]),?([^clmz]*)/gi,
+ valRe: /-?[^,\s-]+/g,
+ fillUrlRe: /^url\(\s*['"]?([^\)]+?)['"]?\s*\)$/i,
+ pathlike: /^(path|rect)$/,
+ NonVmlPathRe: /[ahqstv]/ig, // Non-VML Pathing ops
+ partialPathRe: /[clmz]/g,
+ fontFamilyRe: /^['"]+|['"]+$/g,
+ baseVmlCls: Ext.baseCSSPrefix + 'vml-base',
+ vmlGroupCls: Ext.baseCSSPrefix + 'vml-group',
+ spriteCls: Ext.baseCSSPrefix + 'vml-sprite',
+ measureSpanCls: Ext.baseCSSPrefix + 'vml-measure-span',
+ zoom: 21600,
+ coordsize: 1000,
+ coordorigin: '0 0',
+
+ // @private
+ // Convert an SVG standard path into a VML path
+ path2vml: function (path) {
+ var me = this,
+ nonVML = me.NonVmlPathRe,
+ map = me.map,
+ val = me.valRe,
+ zoom = me.zoom,
+ bites = me.bitesRe,
+ command = Ext.Function.bind(Ext.draw.Draw.pathToAbsolute, Ext.draw.Draw),
+ res, pa, p, r, i, ii, j, jj;
+ if (String(path).match(nonVML)) {
+ command = Ext.Function.bind(Ext.draw.Draw.path2curve, Ext.draw.Draw);
+ } else if (!String(path).match(me.partialPathRe)) {
+ res = String(path).replace(bites, function (all, command, args) {
+ var vals = [],
+ isMove = command.toLowerCase() == "m",
+ res = map[command];
+ args.replace(val, function (value) {
+ if (isMove && vals[length] == 2) {
+ res += vals + map[command == "m" ? "l" : "L"];
+ vals = [];
+ }
+ vals.push(Math.round(value * zoom));
+ });
+ return res + vals;
+ });
+ return res;
+ }
+ pa = command(path);
+ res = [];
+ for (i = 0, ii = pa.length; i < ii; i++) {
+ p = pa[i];
+ r = pa[i][0].toLowerCase();
+ if (r == "z") {
+ r = "x";
+ }
+ for (j = 1, jj = p.length; j < jj; j++) {
+ r += Math.round(p[j] * me.zoom) + (j != jj - 1 ? "," : "");
+ }
+ res.push(r);
+ }
+ return res.join(" ");
+ },
+
+ // @private - set of attributes which need to be translated from the sprite API to the native browser API
+ translateAttrs: {
+ radius: "r",
+ radiusX: "rx",
+ radiusY: "ry",
+ lineWidth: "stroke-width",
+ fillOpacity: "fill-opacity",
+ strokeOpacity: "stroke-opacity",
+ strokeLinejoin: "stroke-linejoin"
+ },
+
+ // @private - Minimun set of defaults for different types of sprites.
+ minDefaults: {
+ circle: {
+ fill: "none",
+ stroke: null,
+ "stroke-width": null,
+ opacity: null,
+ "fill-opacity": null,
+ "stroke-opacity": null
+ },
+ ellipse: {
+ cx: 0,
+ cy: 0,
+ rx: 0,
+ ry: 0,
+ fill: "none",
+ stroke: null,
+ "stroke-width": null,
+ opacity: null,
+ "fill-opacity": null,
+ "stroke-opacity": null
+ },
+ rect: {
+ x: 0,
+ y: 0,
+ width: 0,
+ height: 0,
+ rx: 0,
+ ry: 0,
+ fill: "none",
+ stroke: null,
+ "stroke-width": null,
+ opacity: null,
+ "fill-opacity": null,
+ "stroke-opacity": null
+ },
+ text: {
+ x: 0,
+ y: 0,
+ "text-anchor": "start",
+ font: '10px "Arial"',
+ fill: "#000",
+ stroke: null,
+ "stroke-width": null,
+ opacity: null,
+ "fill-opacity": null,
+ "stroke-opacity": null
+ },
+ path: {
+ d: "M0,0",
+ fill: "none",
+ stroke: null,
+ "stroke-width": null,
+ opacity: null,
+ "fill-opacity": null,
+ "stroke-opacity": null
+ },
+ image: {
+ x: 0,
+ y: 0,
+ width: 0,
+ height: 0,
+ preserveAspectRatio: "none",
+ opacity: null
+ }
+ },
+
+ // private
+ onMouseEnter: function(e) {
+ this.fireEvent("mouseenter", e);
+ },
+
+ // private
+ onMouseLeave: function(e) {
+ this.fireEvent("mouseleave", e);
+ },
+
+ // @private - Normalize a delegated single event from the main container to each sprite and sprite group
+ processEvent: function(name, e) {
+ var target = e.getTarget(),
+ surface = this.surface,
+ sprite;
+ this.fireEvent(name, e);
+ sprite = this.items.get(target.id);
+ if (sprite) {
+ sprite.fireEvent(name, sprite, e);
+ }
+ },
+
+ // Create the VML element/elements and append them to the DOM
+ createSpriteElement: function(sprite) {
+ var me = this,
+ attr = sprite.attr,
+ type = sprite.type,
+ zoom = me.zoom,
+ vml = sprite.vml || (sprite.vml = {}),
+ round = Math.round,
+ el = (type === 'image') ? me.createNode('image') : me.createNode('shape'),
+ path, skew, textPath;
+
+ el.coordsize = zoom + ' ' + zoom;
+ el.coordorigin = attr.coordorigin || "0 0";
+ Ext.get(el).addCls(me.spriteCls);
+ if (type == "text") {
+ vml.path = path = me.createNode("path");
+ path.textpathok = true;
+ vml.textpath = textPath = me.createNode("textpath");
+ textPath.on = true;
+ el.appendChild(textPath);
+ el.appendChild(path);
+ }
+ el.id = sprite.id;
+ sprite.el = Ext.get(el);
+ me.el.appendChild(el);
+ if (type !== 'image') {
+ skew = me.createNode("skew");
+ skew.on = true;
+ el.appendChild(skew);
+ sprite.skew = skew;
+ }
+ sprite.matrix = Ext.create('Ext.draw.Matrix');
+ sprite.bbox = {
+ plain: null,
+ transform: null
+ };
+ sprite.fireEvent("render", sprite);
+ return sprite.el;
+ },
+
+ // @private - Get bounding box for the sprite. The Sprite itself has the public method.
+ getBBox: function (sprite, isWithoutTransform) {
+ var realPath = this["getPath" + sprite.type](sprite);
+ if (isWithoutTransform) {
+ sprite.bbox.plain = sprite.bbox.plain || Ext.draw.Draw.pathDimensions(realPath);
+ return sprite.bbox.plain;
+ }
+ sprite.bbox.transform = sprite.bbox.transform || Ext.draw.Draw.pathDimensions(Ext.draw.Draw.mapPath(realPath, sprite.matrix));
+ return sprite.bbox.transform;
+ },
+
+ getBBoxText: function (sprite) {
+ var vml = sprite.vml;
+ return {
+ x: vml.X + (vml.bbx || 0) - vml.W / 2,
+ y: vml.Y - vml.H / 2,
+ width: vml.W,
+ height: vml.H
+ };
+ },
+
+ applyAttrs: function (sprite) {
+ var me = this,
+ vml = sprite.vml,
+ group = sprite.group,
+ spriteAttr = sprite.attr,
+ el = sprite.el,
+ dom = el.dom,
+ style, name, groups, i, ln, scrubbedAttrs, font, key, bbox;
+
+ if (group) {
+ groups = [].concat(group);
+ ln = groups.length;
+ for (i = 0; i < ln; i++) {
+ group = groups[i];
+ me.getGroup(group).add(sprite);
+ }
+ delete sprite.group;
+ }
+ scrubbedAttrs = me.scrubAttrs(sprite) || {};
+
+ if (sprite.zIndexDirty) {
+ me.setZIndex(sprite);
+ }
+
+ // Apply minimum default attributes
+ Ext.applyIf(scrubbedAttrs, me.minDefaults[sprite.type]);
+
+ if (sprite.type == 'image') {
+ Ext.apply(sprite.attr, {
+ x: scrubbedAttrs.x,
+ y: scrubbedAttrs.y,
+ width: scrubbedAttrs.width,
+ height: scrubbedAttrs.height
+ });
+ bbox = sprite.getBBox();
+ el.setStyle({
+ width: bbox.width + 'px',
+ height: bbox.height + 'px'
+ });
+ dom.src = scrubbedAttrs.src;
+ }
+
+ if (dom.href) {
+ dom.href = scrubbedAttrs.href;
+ }
+ if (dom.title) {
+ dom.title = scrubbedAttrs.title;
+ }
+ if (dom.target) {
+ dom.target = scrubbedAttrs.target;
+ }
+ if (dom.cursor) {
+ dom.cursor = scrubbedAttrs.cursor;
+ }
+
+ // Change visibility
+ if (sprite.dirtyHidden) {
+ (scrubbedAttrs.hidden) ? me.hidePrim(sprite) : me.showPrim(sprite);
+ sprite.dirtyHidden = false;
+ }
+
+ // Update path
+ if (sprite.dirtyPath) {
+ if (sprite.type == "circle" || sprite.type == "ellipse") {
+ var cx = scrubbedAttrs.x,
+ cy = scrubbedAttrs.y,
+ rx = scrubbedAttrs.rx || scrubbedAttrs.r || 0,
+ ry = scrubbedAttrs.ry || scrubbedAttrs.r || 0;
+ dom.path = Ext.String.format("ar{0},{1},{2},{3},{4},{1},{4},{1}",
+ Math.round((cx - rx) * me.zoom),
+ Math.round((cy - ry) * me.zoom),
+ Math.round((cx + rx) * me.zoom),
+ Math.round((cy + ry) * me.zoom),
+ Math.round(cx * me.zoom));
+ sprite.dirtyPath = false;
+ }
+ else if (sprite.type !== "text" && sprite.type !== 'image') {
+ sprite.attr.path = scrubbedAttrs.path = me.setPaths(sprite, scrubbedAttrs) || scrubbedAttrs.path;
+ dom.path = me.path2vml(scrubbedAttrs.path);
+ sprite.dirtyPath = false;
+ }
+ }
+
+ // Apply clipping
+ if ("clip-rect" in scrubbedAttrs) {
+ me.setClip(sprite, scrubbedAttrs);
+ }
+
+ // Handle text (special handling required)
+ if (sprite.type == "text") {
+ me.setTextAttributes(sprite, scrubbedAttrs);
+ }
+
+ // Handle fill and opacity
+ if (scrubbedAttrs.opacity || scrubbedAttrs['stroke-opacity'] || scrubbedAttrs.fill) {
+ me.setFill(sprite, scrubbedAttrs);
+ }
+
+ // Handle stroke (all fills require a stroke element)
+ if (scrubbedAttrs.stroke || scrubbedAttrs['stroke-opacity'] || scrubbedAttrs.fill) {
+ me.setStroke(sprite, scrubbedAttrs);
+ }
+
+ //set styles
+ style = spriteAttr.style;
+ if (style) {
+ el.setStyle(style);
+ }
+
+ sprite.dirty = false;
+ },
+
+ setZIndex: function(sprite) {
+ if (sprite.el) {
+ if (sprite.attr.zIndex != undefined) {
+ sprite.el.setStyle('zIndex', sprite.attr.zIndex);
+ }
+ sprite.zIndexDirty = false;
+ }
+ },
+
+ // Normalize all virtualized types into paths.
+ setPaths: function(sprite, params) {
+ var spriteAttr = sprite.attr;
+ // Clear bbox cache
+ sprite.bbox.plain = null;
+ sprite.bbox.transform = null;
+ if (sprite.type == 'circle') {
+ spriteAttr.rx = spriteAttr.ry = params.r;
+ return Ext.draw.Draw.ellipsePath(sprite);
+ }
+ else if (sprite.type == 'ellipse') {
+ spriteAttr.rx = params.rx;
+ spriteAttr.ry = params.ry;
+ return Ext.draw.Draw.ellipsePath(sprite);
+ }
+ else if (sprite.type == 'rect') {
+ spriteAttr.rx = spriteAttr.ry = params.r;
+ return Ext.draw.Draw.rectPath(sprite);
+ }
+ else if (sprite.type == 'path' && spriteAttr.path) {
+ return Ext.draw.Draw.pathToAbsolute(spriteAttr.path);
+ }
+ return false;
+ },
+
+ setFill: function(sprite, params) {
+ var me = this,
+ el = sprite.el.dom,
+ fillEl = el.fill,
+ newfill = false,
+ opacity, gradient, fillUrl, rotation, angle;
+
+ if (!fillEl) {
+ // NOT an expando (but it sure looks like one)...
+ fillEl = el.fill = me.createNode("fill");
+ newfill = true;
+ }
+ if (Ext.isArray(params.fill)) {
+ params.fill = params.fill[0];
+ }
+ if (params.fill == "none") {
+ fillEl.on = false;
+ }
+ else {
+ if (typeof params.opacity == "number") {
+ fillEl.opacity = params.opacity;
+ }
+ if (typeof params["fill-opacity"] == "number") {
+ fillEl.opacity = params["fill-opacity"];
+ }
+ fillEl.on = true;
+ if (typeof params.fill == "string") {
+ fillUrl = params.fill.match(me.fillUrlRe);
+ if (fillUrl) {
+ fillUrl = fillUrl[1];
+ // If the URL matches one of the registered gradients, render that gradient
+ if (fillUrl.charAt(0) == "#") {
+ gradient = me.gradientsColl.getByKey(fillUrl.substring(1));
+ }
+ if (gradient) {
+ // VML angle is offset and inverted from standard, and must be adjusted to match rotation transform
+ rotation = params.rotation;
+ angle = -(gradient.angle + 270 + (rotation ? rotation.degrees : 0)) % 360;
+ // IE will flip the angle at 0 degrees...
+ if (angle === 0) {
+ angle = 180;
+ }
+ fillEl.angle = angle;
+ fillEl.type = "gradient";
+ fillEl.method = "sigma";
+ fillEl.colors.value = gradient.colors;
+ }
+ // Otherwise treat it as an image
+ else {
+ fillEl.src = fillUrl;
+ fillEl.type = "tile";
+ }
+ }
+ else {
+ fillEl.color = Ext.draw.Color.toHex(params.fill);
+ fillEl.src = "";
+ fillEl.type = "solid";
+ }
+ }
+ }
+ if (newfill) {
+ el.appendChild(fillEl);
+ }
+ },
+
+ setStroke: function(sprite, params) {
+ var me = this,
+ el = sprite.el.dom,
+ strokeEl = sprite.strokeEl,
+ newStroke = false,
+ width, opacity;
+
+ if (!strokeEl) {
+ strokeEl = sprite.strokeEl = me.createNode("stroke");
+ newStroke = true;
+ }
+ if (Ext.isArray(params.stroke)) {
+ params.stroke = params.stroke[0];
+ }
+ if (!params.stroke || params.stroke == "none" || params.stroke == 0 || params["stroke-width"] == 0) {
+ strokeEl.on = false;
+ }
+ else {
+ strokeEl.on = true;
+ if (params.stroke && !params.stroke.match(me.fillUrlRe)) {
+ // VML does NOT support a gradient stroke :(
+ strokeEl.color = Ext.draw.Color.toHex(params.stroke);
+ }
+ strokeEl.joinstyle = params["stroke-linejoin"];
+ strokeEl.endcap = params["stroke-linecap"] || "round";
+ strokeEl.miterlimit = params["stroke-miterlimit"] || 8;
+ width = parseFloat(params["stroke-width"] || 1) * 0.75;
+ opacity = params["stroke-opacity"] || 1;
+ // VML Does not support stroke widths under 1, so we're going to fiddle with stroke-opacity instead.
+ if (Ext.isNumber(width) && width < 1) {
+ strokeEl.weight = 1;
+ strokeEl.opacity = opacity * width;
+ }
+ else {
+ strokeEl.weight = width;
+ strokeEl.opacity = opacity;
+ }
+ }
+ if (newStroke) {
+ el.appendChild(strokeEl);
+ }
+ },
+
+ setClip: function(sprite, params) {
+ var me = this,
+ el = sprite.el,
+ clipEl = sprite.clipEl,
+ rect = String(params["clip-rect"]).split(me.separatorRe);
+ if (!clipEl) {
+ clipEl = sprite.clipEl = me.el.insertFirst(Ext.getDoc().dom.createElement("div"));
+ clipEl.addCls(Ext.baseCSSPrefix + 'vml-sprite');
+ }
+ if (rect.length == 4) {
+ rect[2] = +rect[2] + (+rect[0]);
+ rect[3] = +rect[3] + (+rect[1]);
+ clipEl.setStyle("clip", Ext.String.format("rect({1}px {2}px {3}px {0}px)", rect[0], rect[1], rect[2], rect[3]));
+ clipEl.setSize(me.el.width, me.el.height);
+ }
+ else {
+ clipEl.setStyle("clip", "");
+ }
+ },
+
+ setTextAttributes: function(sprite, params) {
+ var me = this,
+ vml = sprite.vml,
+ textStyle = vml.textpath.style,
+ spanCacheStyle = me.span.style,
+ zoom = me.zoom,
+ round = Math.round,
+ fontObj = {
+ fontSize: "font-size",
+ fontWeight: "font-weight",
+ fontStyle: "font-style"
+ },
+ fontProp,
+ paramProp;
+ if (sprite.dirtyFont) {
+ if (params.font) {
+ textStyle.font = spanCacheStyle.font = params.font;
+ }
+ if (params["font-family"]) {
+ textStyle.fontFamily = '"' + params["font-family"].split(",")[0].replace(me.fontFamilyRe, "") + '"';
+ spanCacheStyle.fontFamily = params["font-family"];
+ }
+
+ for (fontProp in fontObj) {
+ paramProp = params[fontObj[fontProp]];
+ if (paramProp) {
+ textStyle[fontProp] = spanCacheStyle[fontProp] = paramProp;
+ }
+ }
+
+ me.setText(sprite, params.text);
+
+ if (vml.textpath.string) {
+ me.span.innerHTML = String(vml.textpath.string).replace(/</g, "<").replace(/&/g, "&").replace(/\n/g, "<br>");
+ }
+ vml.W = me.span.offsetWidth;
+ vml.H = me.span.offsetHeight + 2; // TODO handle baseline differences and offset in VML Textpath
+
+ // text-anchor emulation
+ if (params["text-anchor"] == "middle") {
+ textStyle["v-text-align"] = "center";
+ }
+ else if (params["text-anchor"] == "end") {
+ textStyle["v-text-align"] = "right";
+ vml.bbx = -Math.round(vml.W / 2);
+ }
+ else {
+ textStyle["v-text-align"] = "left";
+ vml.bbx = Math.round(vml.W / 2);
+ }
+ }
+ vml.X = params.x;
+ vml.Y = params.y;
+ vml.path.v = Ext.String.format("m{0},{1}l{2},{1}", Math.round(vml.X * zoom), Math.round(vml.Y * zoom), Math.round(vml.X * zoom) + 1);
+ // Clear bbox cache
+ sprite.bbox.plain = null;
+ sprite.bbox.transform = null;
+ sprite.dirtyFont = false;
+ },
+
+ setText: function(sprite, text) {
+ sprite.vml.textpath.string = Ext.htmlDecode(text);
+ },
+
+ hide: function() {
+ this.el.hide();
+ },
+
+ show: function() {
+ this.el.show();
+ },
+
+ hidePrim: function(sprite) {
+ sprite.el.addCls(Ext.baseCSSPrefix + 'hide-visibility');
+ },
+
+ showPrim: function(sprite) {
+ sprite.el.removeCls(Ext.baseCSSPrefix + 'hide-visibility');
+ },
+
+ setSize: function(width, height) {
+ var me = this,
+ viewBox = me.viewBox,
+ scaleX, scaleY, items, i, len;
+ width = width || me.width;
+ height = height || me.height;
+ me.width = width;
+ me.height = height;
+
+ if (!me.el) {
+ return;
+ }
+
+ // Size outer div
+ if (width != undefined) {
+ me.el.setWidth(width);
+ }
+ if (height != undefined) {
+ me.el.setHeight(height);
+ }
+
+ // Handle viewBox sizing
+ if (viewBox && (width || height)) {
+ var viewBoxX = viewBox.x,
+ viewBoxY = viewBox.y,
+ viewBoxWidth = viewBox.width,
+ viewBoxHeight = viewBox.height,
+ relativeHeight = height / viewBoxHeight,
+ relativeWidth = width / viewBoxWidth,
+ size;
+ if (viewBoxWidth * relativeHeight < width) {
+ viewBoxX -= (width - viewBoxWidth * relativeHeight) / 2 / relativeHeight;
+ }
+ if (viewBoxHeight * relativeWidth < height) {
+ viewBoxY -= (height - viewBoxHeight * relativeWidth) / 2 / relativeWidth;
+ }
+ size = 1 / Math.max(viewBoxWidth / width, viewBoxHeight / height);
+ // Scale and translate group
+ me.viewBoxShift = {
+ dx: -viewBoxX,
+ dy: -viewBoxY,
+ scale: size
+ };
+ items = me.items.items;
+ for (i = 0, len = items.length; i < len; i++) {
+ me.transform(items[i]);
+ }
+ }
+ this.callParent(arguments);
+ },
+
+ setViewBox: function(x, y, width, height) {
+ this.callParent(arguments);
+ this.viewBox = {
+ x: x,
+ y: y,
+ width: width,
+ height: height
+ };
+ },
+
+ onAdd: function(item) {
+ this.callParent(arguments);
+ if (this.el) {
+ this.renderItem(item);
+ }
+ },
+
+ onRemove: function(sprite) {
+ if (sprite.el) {
+ sprite.el.remove();
+ delete sprite.el;
+ }
+ this.callParent(arguments);
+ },
+
+ render: function (container) {
+ var me = this,
+ doc = Ext.getDoc().dom;
+ // VML Node factory method (createNode)
+ if (!me.createNode) {
+ try {
+ if (!doc.namespaces.rvml) {
+ doc.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
+ }
+ me.createNode = function (tagName) {
+ return doc.createElement("<rvml:" + tagName + ' class="rvml">');
+ };
+ } catch (e) {
+ me.createNode = function (tagName) {
+ return doc.createElement("<" + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
+ };
+ }
+ }
+
+ if (!me.el) {
+ var el = doc.createElement("div");
+ me.el = Ext.get(el);
+ me.el.addCls(me.baseVmlCls);
+
+ // Measuring span (offscrren)
+ me.span = doc.createElement("span");
+ Ext.get(me.span).addCls(me.measureSpanCls);
+ el.appendChild(me.span);
+ me.el.setSize(me.width || 10, me.height || 10);
+ container.appendChild(el);
+ me.el.on({
+ scope: me,
+ mouseup: me.onMouseUp,
+ mousedown: me.onMouseDown,
+ mouseover: me.onMouseOver,
+ mouseout: me.onMouseOut,
+ mousemove: me.onMouseMove,
+ mouseenter: me.onMouseEnter,
+ mouseleave: me.onMouseLeave,
+ click: me.onClick
+ });
+ }
+ me.renderAll();
+ },
+
+ renderAll: function() {
+ this.items.each(this.renderItem, this);
+ },
+
+ redraw: function(sprite) {
+ sprite.dirty = true;
+ this.renderItem(sprite);
+ },
+
+ renderItem: function (sprite) {
+ // Does the surface element exist?
+ if (!this.el) {
+ return;
+ }
+
+ // Create sprite element if necessary
+ if (!sprite.el) {
+ this.createSpriteElement(sprite);
+ }
+
+ if (sprite.dirty) {
+ this.applyAttrs(sprite);
+ if (sprite.dirtyTransform) {
+ this.applyTransformations(sprite);
+ }
+ }
+ },
+
+ rotationCompensation: function (deg, dx, dy) {
+ var matrix = Ext.create('Ext.draw.Matrix');
+ matrix.rotate(-deg, 0.5, 0.5);
+ return {
+ x: matrix.x(dx, dy),
+ y: matrix.y(dx, dy)
+ };
+ },
+
+ transform: function(sprite) {
+ var me = this,
+ matrix = Ext.create('Ext.draw.Matrix'),
+ transforms = sprite.transformations,
+ transformsLength = transforms.length,
+ i = 0,
+ deltaDegrees = 0,
+ deltaScaleX = 1,
+ deltaScaleY = 1,
+ flip = "",
+ el = sprite.el,
+ dom = el.dom,
+ domStyle = dom.style,
+ zoom = me.zoom,
+ skew = sprite.skew,
+ deltaX, deltaY, transform, type, compensate, y, fill, newAngle,zoomScaleX, zoomScaleY, newOrigin;
+
+ for (; i < transformsLength; i++) {
+ transform = transforms[i];
+ type = transform.type;
+ if (type == "translate") {
+ matrix.translate(transform.x, transform.y);
+ }
+ else if (type == "rotate") {
+ matrix.rotate(transform.degrees, transform.x, transform.y);
+ deltaDegrees += transform.degrees;
+ }
+ else if (type == "scale") {
+ matrix.scale(transform.x, transform.y, transform.centerX, transform.centerY);
+ deltaScaleX *= transform.x;
+ deltaScaleY *= transform.y;
+ }
+ }
+
+ if (me.viewBoxShift) {
+ matrix.scale(me.viewBoxShift.scale, me.viewBoxShift.scale, -1, -1);
+ matrix.add(1, 0, 0, 1, me.viewBoxShift.dx, me.viewBoxShift.dy);
+ }
+
+ sprite.matrix = matrix;
+
+
+ // Hide element while we transform
+
+ if (sprite.type != "image" && skew) {
+ // matrix transform via VML skew
+ skew.matrix = matrix.toString();
+ skew.offset = matrix.offset();
+ }
+ else {
+ deltaX = matrix.matrix[0][2];
+ deltaY = matrix.matrix[1][2];
+ // Scale via coordsize property
+ zoomScaleX = zoom / deltaScaleX;
+ zoomScaleY = zoom / deltaScaleY;
+
+ dom.coordsize = Math.abs(zoomScaleX) + " " + Math.abs(zoomScaleY);
+
+ // Rotate via rotation property
+ newAngle = deltaDegrees * (deltaScaleX * ((deltaScaleY < 0) ? -1 : 1));
+ if (newAngle != domStyle.rotation && !(newAngle === 0 && !domStyle.rotation)) {
+ domStyle.rotation = newAngle;
+ }
+ if (deltaDegrees) {
+ // Compensate x/y position due to rotation
+ compensate = me.rotationCompensation(deltaDegrees, deltaX, deltaY);
+ deltaX = compensate.x;
+ deltaY = compensate.y;
+ }
+
+ // Handle negative scaling via flipping
+ if (deltaScaleX < 0) {
+ flip += "x";
+ }
+ if (deltaScaleY < 0) {
+ flip += " y";
+ y = -1;
+ }
+ if (flip != "" && !dom.style.flip) {
+ domStyle.flip = flip;
+ }
+
+ // Translate via coordorigin property
+ newOrigin = (deltaX * -zoomScaleX) + " " + (deltaY * -zoomScaleY);
+ if (newOrigin != dom.coordorigin) {
+ dom.coordorigin = (deltaX * -zoomScaleX) + " " + (deltaY * -zoomScaleY);
+ }
+ }
+ },
+
+ createItem: function (config) {
+ return Ext.create('Ext.draw.Sprite', config);
+ },
+
+ getRegion: function() {
+ return this.el.getRegion();
+ },
+
+ addCls: function(sprite, className) {
+ if (sprite && sprite.el) {
+ sprite.el.addCls(className);
+ }
+ },
+
+ removeCls: function(sprite, className) {
+ if (sprite && sprite.el) {
+ sprite.el.removeCls(className);
+ }
+ },
+
+ /**
+ * Adds a definition to this Surface for a linear gradient. We convert the gradient definition
+ * to its corresponding VML attributes and store it for later use by individual sprites.
+ * @param {Object} gradient
+ */
+ addGradient: function(gradient) {
+ var gradients = this.gradientsColl || (this.gradientsColl = Ext.create('Ext.util.MixedCollection')),
+ colors = [],
+ stops = Ext.create('Ext.util.MixedCollection');
+
+ // Build colors string
+ stops.addAll(gradient.stops);
+ stops.sortByKey("ASC", function(a, b) {
+ a = parseInt(a, 10);
+ b = parseInt(b, 10);
+ return a > b ? 1 : (a < b ? -1 : 0);
+ });
+ stops.eachKey(function(k, v) {
+ colors.push(k + "% " + v.color);
+ });
+
+ gradients.add(gradient.id, {
+ colors: colors.join(","),
+ angle: gradient.angle
+ });
+ },
+
+ destroy: function() {
+ var me = this;
+
+ me.callParent(arguments);
+ if (me.el) {
+ me.el.remove();
+ }
+ delete me.el;
+ }
+});
+
\ No newline at end of file