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✏️ Editing: graphics-vml.js

YUI.add('graphics-vml', function (Y, NAME) {

var IMPLEMENTATION = "vml",
    SHAPE = "shape",
	SPLITPATHPATTERN = /[a-z][^a-z]*/ig,
    SPLITARGSPATTERN = /[\-]?[0-9]*[0-9|\.][0-9]*/g,
    Y_LANG = Y.Lang,
    IS_NUM = Y_LANG.isNumber,
    IS_ARRAY = Y_LANG.isArray,
    Y_DOM = Y.DOM,
    Y_SELECTOR = Y.Selector,
    DOCUMENT = Y.config.doc,
    AttributeLite = Y.AttributeLite,
	VMLShape,
	VMLCircle,
	VMLPath,
	VMLRect,
	VMLEllipse,
	VMLGraphic,
    VMLPieSlice,
    _getClassName = Y.ClassNameManager.getClassName;

function VMLDrawing() {}

/**
 * <a href="http://www.w3.org/TR/NOTE-VML">VML</a> implementation of the <a href="Drawing.html">`Drawing`</a> class.
 * `VMLDrawing` is not intended to be used directly. Instead, use the <a href="Drawing.html">`Drawing`</a> class.
 * If the browser lacks <a href="http://www.w3.org/TR/SVG/">SVG</a> and <a href="http://www.w3.org/TR/html5/the-canvas-element.html">Canvas</a>
 * capabilities, the <a href="Drawing.html">`Drawing`</a> class will point to the `VMLDrawing` class.
 *
 * @module graphics
 * @class VMLDrawing
 * @constructor
 */
VMLDrawing.prototype = {
 /**
 * Maps path to methods
 *
 * @property _pathSymbolToMethod
 * @type Object
 * @private
 */
 _pathSymbolToMethod: {
 M: "moveTo",
 m: "relativeMoveTo",
 L: "lineTo",
 l: "relativeLineTo",
 C: "curveTo",
 c: "relativeCurveTo",
 Q: "quadraticCurveTo",
 q: "relativeQuadraticCurveTo",
 z: "closePath",
 Z: "closePath"
 },

/**
     * Value for rounding up to coordsize
     *
     * @property _coordSpaceMultiplier
     * @type Number
     * @private
     */
    _coordSpaceMultiplier: 100,

/**
     * Rounds dimensions and position values based on the coordinate space.
     *
     * @method _round
     * @param {Number} The value for rounding
     * @return Number
     * @private
     */
    _round:function(val)
    {
        return Math.round(val * this._coordSpaceMultiplier);
    },

/**
     * Concatanates the path.
     *
     * @method _addToPath
     * @param {String} val The value to add to the path string.
     * @private
     */
    _addToPath: function(val)
    {
        this._path = this._path || "";
        if(this._movePath)
        {
            this._path += this._movePath;
            this._movePath = null;
        }
        this._path += val;
    },

/**
     * Current x position of the drawing.
     *
     * @property _currentX
     * @type Number
     * @private
     */
    _currentX: 0,

/**
     * Current y position of the drqwing.
     *
     * @property _currentY
     * @type Number
     * @private
     */
    _currentY: 0,

/**
     * Draws a bezier curve.
     *
     * @method curveTo
     * @param {Number} cp1x x-coordinate for the first control point.
     * @param {Number} cp1y y-coordinate for the first control point.
     * @param {Number} cp2x x-coordinate for the second control point.
     * @param {Number} cp2y y-coordinate for the second control point.
     * @param {Number} x x-coordinate for the end point.
     * @param {Number} y y-coordinate for the end point.
     * @chainable
     */
    curveTo: function() {
        this._curveTo.apply(this, [Y.Array(arguments), false]);
        return this;
    },

/**
     * Draws a bezier curve.
     *
     * @method relativeCurveTo
     * @param {Number} cp1x x-coordinate for the first control point.
     * @param {Number} cp1y y-coordinate for the first control point.
     * @param {Number} cp2x x-coordinate for the second control point.
     * @param {Number} cp2y y-coordinate for the second control point.
     * @param {Number} x x-coordinate for the end point.
     * @param {Number} y y-coordinate for the end point.
     * @chainable
     */
    relativeCurveTo: function() {
        this._curveTo.apply(this, [Y.Array(arguments), true]);
        return this;
    },

/**
 * Implements curveTo methods.
 *
 * @method _curveTo
 * @param {Array} args The arguments to be used.
 * @param {Boolean} relative Indicates whether or not to use relative coordinates.
 * @private
 */
 _curveTo: function(args, relative) {
 var w,
 h,
 x,
 y,
 cp1x,
 cp1y,
 cp2x,
 cp2y,
 pts,
 right,
 left,
 bottom,
 top,
 i,
 len,
 path,
 command = relative ? " v " : " c ",
 relativeX = relative ? parseFloat(this._currentX) : 0,
 relativeY = relative ? parseFloat(this._currentY) : 0;
 len = args.length - 5;
 path = command;
 for(i = 0; i < len; i = i + 6)
 {
 cp1x = parseFloat(args[i]);
 cp1y = parseFloat(args[i + 1]);
 cp2x = parseFloat(args[i + 2]);
 cp2y = parseFloat(args[i + 3]);
 x = parseFloat(args[i + 4]);
 y = parseFloat(args[i + 5]);
 if(i > 0)
 {
 path = path + ", ";
 }
 path = path +
 this._round(cp1x) +
 ", " +
 this._round(cp1y) +
 ", " +
 this._round(cp2x) +
 ", " +
 this._round(cp2y) +
 ", " +
 this._round(x) +
 ", " +
 this._round(y);
 cp1x = cp1x + relativeX;
 cp1y = cp1y + relativeY;
 cp2x = cp2x + relativeX;
 cp2y = cp2y + relativeY;
 x = x + relativeX;
 y = y + relativeY;
 right = Math.max(x, Math.max(cp1x, cp2x));
 bottom = Math.max(y, Math.max(cp1y, cp2y));
 left = Math.min(x, Math.min(cp1x, cp2x));
 top = Math.min(y, Math.min(cp1y, cp2y));
 w = Math.abs(right - left);
 h = Math.abs(bottom - top);
 pts = [[this._currentX, this._currentY] , [cp1x, cp1y], [cp2x, cp2y], [x, y]];
 this._setCurveBoundingBox(pts, w, h);
 this._currentX = x;
 this._currentY = y;
 }
 this._addToPath(path);
 },

/**
     * Draws a quadratic bezier curve.
     *
     * @method quadraticCurveTo
     * @param {Number} cpx x-coordinate for the control point.
     * @param {Number} cpy y-coordinate for the control point.
     * @param {Number} x x-coordinate for the end point.
     * @param {Number} y y-coordinate for the end point.
     * @chainable
     */
    quadraticCurveTo: function() {
        this._quadraticCurveTo.apply(this, [Y.Array(arguments), false]);
        return this;
    },

/**
     * Draws a quadratic bezier curve relative to the current position.
     *
     * @method relativeQuadraticCurveTo
     * @param {Number} cpx x-coordinate for the control point.
     * @param {Number} cpy y-coordinate for the control point.
     * @param {Number} x x-coordinate for the end point.
     * @param {Number} y y-coordinate for the end point.
     * @chainable
     */
    relativeQuadraticCurveTo: function() {
        this._quadraticCurveTo.apply(this, [Y.Array(arguments), true]);
        return this;
    },

/**
 * Implements quadraticCurveTo methods.
 *
 * @method _quadraticCurveTo
 * @param {Array} args The arguments to be used.
 * @param {Boolean} relative Indicates whether or not to use relative coordinates.
 * @private
 */
 _quadraticCurveTo: function(args, relative) {
 var cpx,
 cpy,
 cp1x,
 cp1y,
 cp2x,
 cp2y,
 x,
 y,
 currentX = this._currentX,
 currentY = this._currentY,
 i,
 len = args.length - 3,
 bezierArgs = [],
 relativeX = relative ? parseFloat(this._currentX) : 0,
 relativeY = relative ? parseFloat(this._currentY) : 0;
 for(i = 0; i < len; i = i + 4)
 {
 cpx = parseFloat(args[i]) + relativeX;
 cpy = parseFloat(args[i + 1]) + relativeY;
 x = parseFloat(args[i + 2]) + relativeX;
 y = parseFloat(args[i + 3]) + relativeY;
 cp1x = currentX + 0.67*(cpx - currentX);
 cp1y = currentY + 0.67*(cpy - currentY);
 cp2x = cp1x + (x - currentX) * 0.34;
 cp2y = cp1y + (y - currentY) * 0.34;
 bezierArgs.push(cp1x);
 bezierArgs.push(cp1y);
 bezierArgs.push(cp2x);
 bezierArgs.push(cp2y);
 bezierArgs.push(x);
 bezierArgs.push(y);
 }
 this._curveTo.apply(this, [bezierArgs, false]);
 },

/**
     * Draws a rectangle.
     *
     * @method drawRect
     * @param {Number} x x-coordinate
     * @param {Number} y y-coordinate
     * @param {Number} w width
     * @param {Number} h height
     * @chainable
     */
    drawRect: function(x, y, w, h) {
        this.moveTo(x, y);
        this.lineTo(x + w, y);
        this.lineTo(x + w, y + h);
        this.lineTo(x, y + h);
        this.lineTo(x, y);
        this._currentX = x;
        this._currentY = y;
        return this;
    },

/**
     * Draws a rectangle with rounded corners.
     *
     * @method drawRect
     * @param {Number} x x-coordinate
     * @param {Number} y y-coordinate
     * @param {Number} w width
     * @param {Number} h height
     * @param {Number} ew width of the ellipse used to draw the rounded corners
     * @param {Number} eh height of the ellipse used to draw the rounded corners
     * @chainable
     */
    drawRoundRect: function(x, y, w, h, ew, eh) {
        this.moveTo(x, y + eh);
        this.lineTo(x, y + h - eh);
        this.quadraticCurveTo(x, y + h, x + ew, y + h);
        this.lineTo(x + w - ew, y + h);
        this.quadraticCurveTo(x + w, y + h, x + w, y + h - eh);
        this.lineTo(x + w, y + eh);
        this.quadraticCurveTo(x + w, y, x + w - ew, y);
        this.lineTo(x + ew, y);
        this.quadraticCurveTo(x, y, x, y + eh);
        return this;
    },

/**
     * Draws a circle. Used internally by `CanvasCircle` class.
     *
     * @method drawCircle
     * @param {Number} x y-coordinate
     * @param {Number} y x-coordinate
     * @param {Number} r radius
     * @chainable
     * @protected
     */
	drawCircle: function(x, y, radius) {
        var startAngle = 0,
            endAngle = 360,
            circum = radius * 2;

endAngle *= 65535;
        this._drawingComplete = false;
        this._trackSize(x + circum, y + circum);
        this.moveTo((x + circum), (y + radius));
        this._addToPath(
            " ae " +
            this._round(x + radius) +
            ", " +
            this._round(y + radius) +
            ", " +
            this._round(radius) +
            ", " +
            this._round(radius) +
            ", " +
            startAngle +
            ", " +
            endAngle
        );
        return this;
    },

/**
     * Draws an ellipse.
     *
     * @method drawEllipse
     * @param {Number} x x-coordinate
     * @param {Number} y y-coordinate
     * @param {Number} w width
     * @param {Number} h height
     * @chainable
     * @protected
     */
	drawEllipse: function(x, y, w, h) {
        var startAngle = 0,
            endAngle = 360,
            radius = w * 0.5,
            yRadius = h * 0.5;
        endAngle *= 65535;
        this._drawingComplete = false;
        this._trackSize(x + w, y + h);
        this.moveTo((x + w), (y + yRadius));
        this._addToPath(
            " ae " +
            this._round(x + radius) +
            ", " +
            this._round(x + radius) +
            ", " +
            this._round(y + yRadius) +
            ", " +
            this._round(radius) +
            ", " +
            this._round(yRadius) +
            ", " +
            startAngle +
            ", " +
            endAngle
        );
        return this;
    },

/**
     * Draws a diamond.
     *
     * @method drawDiamond
     * @param {Number} x y-coordinate
     * @param {Number} y x-coordinate
     * @param {Number} width width
     * @param {Number} height height
     * @chainable
     * @protected
     */
    drawDiamond: function(x, y, width, height)
    {
        var midWidth = width * 0.5,
            midHeight = height * 0.5;
        this.moveTo(x + midWidth, y);
        this.lineTo(x + width, y + midHeight);
        this.lineTo(x + midWidth, y + height);
        this.lineTo(x, y + midHeight);
        this.lineTo(x + midWidth, y);
        return this;
    },

/**
     * Draws a wedge.
     *
     * @method drawWedge
     * @param {Number} x x-coordinate of the wedge's center point
     * @param {Number} y y-coordinate of the wedge's center point
     * @param {Number} startAngle starting angle in degrees
     * @param {Number} arc sweep of the wedge. Negative values draw clockwise.
     * @param {Number} radius radius of wedge. If [optional] yRadius is defined, then radius is the x radius.
     * @param {Number} yRadius [optional] y radius for wedge.
     * @chainable
     * @private
     */
    drawWedge: function(x, y, startAngle, arc, radius)
    {
        var diameter = radius * 2;
        if(Math.abs(arc) > 360)
        {
            arc = 360;
        }
        this._currentX = x;
        this._currentY = y;
        startAngle *= -65535;
        arc *= 65536;
        startAngle = Math.round(startAngle);
        arc = Math.round(arc);
        this.moveTo(x, y);
        this._addToPath(
            " ae " +
            this._round(x) +
            ", " +
            this._round(y) +
            ", " +
            this._round(radius) +
            " " +
            this._round(radius) +
            ", " +
            startAngle +
            ", " +
            arc
        );
        this._trackSize(diameter, diameter);
        return this;
    },

/**
     * Draws a line segment from the current drawing position to the specified x and y coordinates.
     *
     * @method lineTo
     * @param {Number} point1 x-coordinate for the end point.
     * @param {Number} point2 y-coordinate for the end point.
     * @chainable
     */
    lineTo: function()
    {
        this._lineTo.apply(this, [Y.Array(arguments), false]);
        return this;
    },

/**
     * Draws a line segment using the current line style from the current drawing position to the relative x and y coordinates.
     *
     * @method relativeLineTo
     * @param {Number} point1 x-coordinate for the end point.
     * @param {Number} point2 y-coordinate for the end point.
     * @chainable
     */
    relativeLineTo: function()
    {
        this._lineTo.apply(this, [Y.Array(arguments), true]);
        return this;
    },

/**
 * Implements lineTo methods.
 *
 * @method _lineTo
 * @param {Array} args The arguments to be used.
 * @param {Boolean} relative Indicates whether or not to use relative coordinates.
 * @private
 */
 _lineTo: function(args, relative) {
 var point1 = args[0],
 i,
 len,
 x,
 y,
 path = relative ? " r " : " l ",
 relativeX = relative ? parseFloat(this._currentX) : 0,
 relativeY = relative ? parseFloat(this._currentY) : 0;
 if (typeof point1 === "string" || typeof point1 === "number") {
 len = args.length - 1;
 for (i = 0; i < len; i = i + 2) {
 x = parseFloat(args[i]);
 y = parseFloat(args[i + 1]);
 path += ' ' + this._round(x) + ', ' + this._round(y);
 x = x + relativeX;
 y = y + relativeY;
 this._currentX = x;
 this._currentY = y;
 this._trackSize.apply(this, [x, y]);
 }
 }
 else
 {
 len = args.length;
 for (i = 0; i < len; i = i + 1) {
 x = parseFloat(args[i][0]);
 y = parseFloat(args[i][1]);
 path += ' ' + this._round(x) + ', ' + this._round(y);
 x = x + relativeX;
 y = y + relativeY;
 this._currentX = x;
 this._currentY = y;
 this._trackSize.apply(this, [x, y]);
 }
 }
 this._addToPath(path);
 return this;
 },

/**
     * Moves the current drawing position to specified x and y coordinates.
     *
     * @method moveTo
     * @param {Number} x x-coordinate for the end point.
     * @param {Number} y y-coordinate for the end point.
     * @chainable
     */
    moveTo: function()
    {
        this._moveTo.apply(this, [Y.Array(arguments), false]);
        return this;
    },

/**
     * Moves the current drawing position relative to specified x and y coordinates.
     *
     * @method relativeMoveTo
     * @param {Number} x x-coordinate for the end point.
     * @param {Number} y y-coordinate for the end point.
     * @chainable
     */
    relativeMoveTo: function()
    {
        this._moveTo.apply(this, [Y.Array(arguments), true]);
        return this;
    },

/**
     * Implements moveTo methods.
     *
     * @method _moveTo
     * @param {Array} args The arguments to be used.
     * @param {Boolean} relative Indicates whether or not to use relative coordinates.
     * @private
     */
    _moveTo: function(args, relative) {
        var x = parseFloat(args[0]),
            y = parseFloat(args[1]),
            command = relative ? " t " : " m ",
            relativeX = relative ? parseFloat(this._currentX) : 0,
            relativeY = relative ? parseFloat(this._currentY) : 0;
        this._movePath = command + this._round(x) + ", " + this._round(y);
        x = x + relativeX;
        y = y + relativeY;
        this._trackSize(x, y);
        this._currentX = x;
        this._currentY = y;
    },

/**
     * Draws the graphic.
     *
     * @method _draw
     * @private
     */
    _closePath: function()
    {
        var fill = this.get("fill"),
            stroke = this.get("stroke"),
            node = this.node,
            w = this.get("width"),
            h = this.get("height"),
            path = this._path,
            pathEnd = "",
            multiplier = this._coordSpaceMultiplier;
        this._fillChangeHandler();
        this._strokeChangeHandler();
        if(path)
        {
            if(fill && fill.color)
            {
                pathEnd += ' x';
            }
            if(stroke)
            {
                pathEnd += ' e';
            }
        }
        if(path)
        {
            node.path = path + pathEnd;
        }
        if(!isNaN(w) && !isNaN(h))
        {
            node.coordOrigin = this._left + ", " + this._top;
            node.coordSize = (w * multiplier) + ", " + (h * multiplier);
            node.style.position = "absolute";
            node.style.width =  w + "px";
            node.style.height =  h + "px";
        }
        this._path = path;
        this._movePath = null;
        this._updateTransform();
    },

/**
     * Completes a drawing operation.
     *
     * @method end
     * @chainable
     */
    end: function()
    {
        this._closePath();
        return this;
    },

/**
     * Ends a fill and stroke
     *
     * @method closePath
     * @chainable
     */
    closePath: function()
    {
        this._addToPath(" x e");
        return this;
    },

/**
     * Clears the path.
     *
     * @method clear
     * @chainable
     */
    clear: function()
    {
		this._right = 0;
        this._bottom = 0;
        this._width = 0;
        this._height = 0;
        this._left = 0;
        this._top = 0;
        this._path = "";
        this._movePath = null;
        return this;
    },

/**
     * Returns the points on a curve
     *
     * @method getBezierData
     * @param Array points Array containing the begin, end and control points of a curve.
     * @param Number t The value for incrementing the next set of points.
     * @return Array
     * @private
     */
    getBezierData: function(points, t) {
        var n = points.length,
            tmp = [],
            i,
            j;

for (i = 0; i < n; ++i){
 tmp[i] = [points[i][0], points[i][1]]; // save input
 }

for (j = 1; j < n; ++j) {
 for (i = 0; i < n - j; ++i) {
 tmp[i][0] = (1 - t) * tmp[i][0] + t * tmp[parseInt(i + 1, 10)][0];
 tmp[i][1] = (1 - t) * tmp[i][1] + t * tmp[parseInt(i + 1, 10)][1];
 }
 }
 return [ tmp[0][0], tmp[0][1] ];
 },

/**
 * Calculates the bounding box for a curve
 *
 * @method _setCurveBoundingBox
 * @param Array pts Array containing points for start, end and control points of a curve.
 * @param Number w Width used to calculate the number of points to describe the curve.
 * @param Number h Height used to calculate the number of points to describe the curve.
 * @private
 */
 _setCurveBoundingBox: function(pts, w, h)
 {
 var i,
 left = this._currentX,
 right = left,
 top = this._currentY,
 bottom = top,
 len = Math.round(Math.sqrt((w * w) + (h * h))),
 t = 1/len,
 xy;
 for(i = 0; i < len; ++i)
 {
 xy = this.getBezierData(pts, t * i);
 left = isNaN(left) ? xy[0] : Math.min(xy[0], left);
 right = isNaN(right) ? xy[0] : Math.max(xy[0], right);
 top = isNaN(top) ? xy[1] : Math.min(xy[1], top);
 bottom = isNaN(bottom) ? xy[1] : Math.max(xy[1], bottom);
 }
 left = Math.round(left * 10)/10;
 right = Math.round(right * 10)/10;
 top = Math.round(top * 10)/10;
 bottom = Math.round(bottom * 10)/10;
 this._trackSize(right, bottom);
 this._trackSize(left, top);
 },

/**
 * Updates the size of the graphics object
 *
 * @method _trackSize
 * @param {Number} w width
 * @param {Number} h height
 * @private
 */
 _trackSize: function(w, h) {
 if (w > this._right) {
 this._right = w;
 }
 if(w < this._left)
 {
 this._left = w;
 }
 if (h < this._top)
 {
 this._top = h;
 }
 if (h > this._bottom)
 {
 this._bottom = h;
 }
 this._width = this._right - this._left;
 this._height = this._bottom - this._top;
 },

_left: 0,

_right: 0,

_top: 0,

_bottom: 0,

_width: 0,

_height: 0
};
Y.VMLDrawing = VMLDrawing;
/**
 * <a href="http://www.w3.org/TR/NOTE-VML">VML</a> implementation of the <a href="Shape.html">`Shape`</a> class.
 * `VMLShape` is not intended to be used directly. Instead, use the <a href="Shape.html">`Shape`</a> class.
 * If the browser lacks <a href="http://www.w3.org/TR/SVG/">SVG</a> and <a href="http://www.w3.org/TR/html5/the-canvas-element.html">Canvas</a>
 * capabilities, the <a href="Shape.html">`Shape`</a> class will point to the `VMLShape` class.
 *
 * @module graphics
 * @class VMLShape
 * @constructor
 * @param {Object} cfg (optional) Attribute configs
 */
VMLShape = function()
{
 this._transforms = [];
 this.matrix = new Y.Matrix();
 this._normalizedMatrix = new Y.Matrix();
 VMLShape.superclass.constructor.apply(this, arguments);
};

VMLShape.NAME = "shape";

Y.extend(VMLShape, Y.GraphicBase, Y.mix({
	/**
	 * Indicates the type of shape
	 *
	 * @property _type
	 * @type String
     * @private
	 */
	_type: "shape",

/**
     * Init method, invoked during construction.
     * Calls `initializer` method.
     *
     * @method init
     * @protected
     */
	init: function()
	{
		this.initializer.apply(this, arguments);
	},

/**
	 * Initializes the shape
	 *
	 * @private
	 * @method _initialize
	 */
	initializer: function(cfg)
	{
		var host = this,
            graphic = cfg.graphic,
            data = this.get("data");
		host.createNode();
        if(graphic)
        {
            this._setGraphic(graphic);
        }
        if(data)
        {
            host._parsePathData(data);
        }
        this._updateHandler();
	},

/**
     * Set the Graphic instance for the shape.
     *
     * @method _setGraphic
     * @param {Graphic | Node | HTMLElement | String} render This param is used to determine the graphic instance. If it is a
     * `Graphic` instance, it will be assigned to the `graphic` attribute. Otherwise, a new Graphic instance will be created
     * and rendered into the dom element that the render represents.
     * @private
     */
    _setGraphic: function(render)
    {
        var graphic;
        if(render instanceof Y.VMLGraphic)
        {
            this._graphic = render;
        }
        else
        {
            graphic = new Y.VMLGraphic({
                render: render
            });
            graphic._appendShape(this);
            this._graphic = graphic;
            this._appendStrokeAndFill();
        }
    },

/**
     * Appends fill and stroke nodes to the shape.
     *
     * @method _appendStrokeAndFill
     * @private
     */
    _appendStrokeAndFill: function()
    {
        if(this._strokeNode)
        {
            this.node.appendChild(this._strokeNode);
        }
        if(this._fillNode)
        {
            this.node.appendChild(this._fillNode);
        }
    },

/**
	 * Creates the dom node for the shape.
	 *
     * @method createNode
	 * @return HTMLElement
	 * @private
	 */
	createNode: function()
	{
        var node,
            concat = this._camelCaseConcat,
			x = this.get("x"),
			y = this.get("y"),
            w = this.get("width"),
            h = this.get("height"),
			id,
			type,
			name = this.name,
            nodestring,
            visibility = this.get("visible") ? "visible" : "hidden",
			strokestring,
			classString,
			stroke,
			endcap,
			opacity,
			joinstyle,
			miterlimit,
			dashstyle,
			fill,
			fillstring;
			id = this.get("id");
		type = this._type === "path" ? "shape" : this._type;
        classString = _getClassName(SHAPE) +
                    " " +
                    _getClassName(concat(IMPLEMENTATION, SHAPE)) +
                    " " +
                    _getClassName(name) +
                    " " +
                    _getClassName(concat(IMPLEMENTATION, name)) +
                    " " +
                    IMPLEMENTATION +
                    type;
        stroke = this._getStrokeProps();
        fill = this._getFillProps();

nodestring = '<' +
 type +
 ' xmlns="urn:schemas-microsft.com:vml" id="' +
 id +
 '" class="' +
 classString +
 '" style="behavior:url(#default#VML);display:inline-block;position:absolute;left:' +
 x +
 'px;top:' +
 y +
 'px;width:' +
 w +
 'px;height:' +
 h +
 'px;visibility:' +
 visibility +
 '"';

if(stroke && stroke.weight && stroke.weight > 0)
        {
            endcap = stroke.endcap;
            opacity = parseFloat(stroke.opacity);
            joinstyle = stroke.joinstyle;
            miterlimit = stroke.miterlimit;
            dashstyle = stroke.dashstyle;
            nodestring += ' stroked="t" strokecolor="' + stroke.color + '" strokeWeight="' + stroke.weight + 'px"';

strokestring = '<stroke class="vmlstroke"' +
 ' xmlns="urn:schemas-microsft.com:vml"' +
 ' on="t"' +
 ' style="behavior:url(#default#VML);display:inline-block;"' +
 ' opacity="' + opacity + '"';
 if(endcap)
 {
 strokestring += ' endcap="' + endcap + '"';
 }
 if(joinstyle)
 {
 strokestring += ' joinstyle="' + joinstyle + '"';
 }
 if(miterlimit)
 {
 strokestring += ' miterlimit="' + miterlimit + '"';
 }
 if(dashstyle)
 {
 strokestring += ' dashstyle="' + dashstyle + '"';
 }
 strokestring += '></stroke>';
 this._strokeNode = DOCUMENT.createElement(strokestring);
 nodestring += ' stroked="t"';
 }
 else
 {
 nodestring += ' stroked="f"';
 }
 if(fill)
 {
 if(fill.node)
 {
 fillstring = fill.node;
 this._fillNode = DOCUMENT.createElement(fillstring);
 }
 if(fill.color)
 {
 nodestring += ' fillcolor="' + fill.color + '"';
 }
 nodestring += ' filled="' + fill.filled + '"';
 }

nodestring += '>';
 nodestring += '</' + type + '>';

node = DOCUMENT.createElement(nodestring);

this.node = node;
        this._strokeFlag = false;
        this._fillFlag = false;
	},

/**
	 * Add a class name to each node.
	 *
	 * @method addClass
	 * @param {String} className the class name to add to the node's class attribute
	 */
	addClass: function(className)
	{
        var node = this.node;
		Y_DOM.addClass(node, className);
	},

/**
	 * Removes a class name from each node.
	 *
	 * @method removeClass
	 * @param {String} className the class name to remove from the node's class attribute
	 */
	removeClass: function(className)
	{
        var node = this.node;
		Y_DOM.removeClass(node, className);
	},

/**
	 * Gets the current position of the node in page coordinates.
	 *
	 * @method getXY
	 * @return Array The XY position of the shape.
	 */
	getXY: function()
	{
		var graphic = this._graphic,
			parentXY = graphic.getXY(),
			x = this.get("x"),
			y = this.get("y");
		return [parentXY[0] + x, parentXY[1] + y];
	},

/**
	 * Set the position of the shape in page coordinates, regardless of how the node is positioned.
	 *
	 * @method setXY
	 * @param {Array} Contains x & y values for new position (coordinates are page-based)
     *
	 */
	setXY: function(xy)
	{
		var graphic = this._graphic,
			parentXY = graphic.getXY();
		this.set("x", xy[0] - parentXY[0]);
		this.set("y", xy[1] - parentXY[1]);
	},

/**
	 * Determines whether the node is an ancestor of another HTML element in the DOM hierarchy.
	 *
	 * @method contains
	 * @param {VMLShape | HTMLElement} needle The possible node or descendent
	 * @return Boolean Whether or not this shape is the needle or its ancestor.
	 */
	contains: function(needle)
	{
		var node = needle instanceof Y.Node ? needle._node : needle;
        return node === this.node;
	},

/**
	 * Compares nodes to determine if they match.
	 * Node instances can be compared to each other and/or HTMLElements.
	 * @method compareTo
	 * @param {HTMLElement | Node} refNode The reference node to compare to the node.
	 * @return {Boolean} True if the nodes match, false if they do not.
	 */
	compareTo: function(refNode) {
        var node = this.node;
		return node === refNode;
	},

/**
	 * Test if the supplied node matches the supplied selector.
	 *
	 * @method test
	 * @param {String} selector The CSS selector to test against.
	 * @return Boolean Wheter or not the shape matches the selector.
	 */
	test: function(selector)
	{
		return Y_SELECTOR.test(this.node, selector);
	},

/**
 * Calculates and returns properties for setting an initial stroke.
 *
 * @method _getStrokeProps
 * @return Object
 *
	 * @private
	 */
 _getStrokeProps: function()
 {
		var props,
			stroke = this.get("stroke"),
			strokeOpacity,
			dashstyle,
			dash = "",
			val,
			i = 0,
			len,
			linecap,
			linejoin;
 if(stroke && stroke.weight && stroke.weight > 0)
		{
			props = {};
			linecap = stroke.linecap || "flat";
			linejoin = stroke.linejoin || "round";
 if(linecap !== "round" && linecap !== "square")
 {
 linecap = "flat";
 }
			strokeOpacity = parseFloat(stroke.opacity);
			dashstyle = stroke.dashstyle || "none";
			stroke.color = stroke.color || "#000000";
			stroke.weight = stroke.weight || 1;
			stroke.opacity = IS_NUM(strokeOpacity) ? strokeOpacity : 1;
			props.stroked = true;
			props.color = stroke.color;
			props.weight = stroke.weight;
			props.endcap = linecap;
			props.opacity = stroke.opacity;
			if(IS_ARRAY(dashstyle))
			{
				dash = [];
				len = dashstyle.length;
				for(i = 0; i < len; ++i)
				{
					val = dashstyle[i];
					dash[i] = val / stroke.weight;
				}
			}
			if(linejoin === "round" || linejoin === "bevel")
			{
				props.joinstyle = linejoin;
			}
			else
			{
				linejoin = parseInt(linejoin, 10);
				if(IS_NUM(linejoin))
				{
					props.miterlimit = Math.max(linejoin, 1);
					props.joinstyle = "miter";
				}
			}
			props.dashstyle = dash;
 }
 return props;
 },

/**
	 * Adds a stroke to the shape node.
	 *
	 * @method _strokeChangeHandler
	 * @private
	 */
	_strokeChangeHandler: function()
	{
 if(!this._strokeFlag)
 {
 return;
 }
 var node = this.node,
			stroke = this.get("stroke"),
			strokeOpacity,
			dashstyle,
			dash = "",
			val,
			i = 0,
			len,
			linecap,
			linejoin;
		if(stroke && stroke.weight && stroke.weight > 0)
		{
			linecap = stroke.linecap || "flat";
			linejoin = stroke.linejoin || "round";
			if(linecap !== "round" && linecap !== "square")
			{
				linecap = "flat";
			}
			strokeOpacity = parseFloat(stroke.opacity);
			dashstyle = stroke.dashstyle || "none";
			stroke.color = stroke.color || "#000000";
			stroke.weight = stroke.weight || 1;
			stroke.opacity = IS_NUM(strokeOpacity) ? strokeOpacity : 1;
			node.stroked = true;
			node.strokeColor = stroke.color;
			node.strokeWeight = stroke.weight + "px";
			if(!this._strokeNode)
			{
				this._strokeNode = this._createGraphicNode("stroke");
				node.appendChild(this._strokeNode);
			}
			this._strokeNode.endcap = linecap;
			this._strokeNode.opacity = stroke.opacity;
			if(IS_ARRAY(dashstyle))
			{
				dash = [];
				len = dashstyle.length;
				for(i = 0; i < len; ++i)
				{
					val = dashstyle[i];
					dash[i] = val / stroke.weight;
				}
			}
			if(linejoin === "round" || linejoin === "bevel")
			{
				this._strokeNode.joinstyle = linejoin;
			}
			else
			{
				linejoin = parseInt(linejoin, 10);
				if(IS_NUM(linejoin))
				{
					this._strokeNode.miterlimit = Math.max(linejoin, 1);
					this._strokeNode.joinstyle = "miter";
				}
			}
			this._strokeNode.dashstyle = dash;
 this._strokeNode.on = true;
		}
		else
		{
 if(this._strokeNode)
 {
 this._strokeNode.on = false;
 }
			node.stroked = false;
		}
 this._strokeFlag = false;
	},

/**
     * Calculates and returns properties for setting an initial fill.
     *
     * @method _getFillProps
     * @return Object
     *
	 * @private
	 */
	_getFillProps: function()
	{
		var fill = this.get("fill"),
			fillOpacity,
			props,
			gradient,
			i,
			fillstring,
			filled = false;
		if(fill)
		{
			props = {};

if(fill.type === "radial" || fill.type === "linear")
			{
				fillOpacity = parseFloat(fill.opacity);
				fillOpacity = IS_NUM(fillOpacity) ? fillOpacity : 1;
				filled = true;
				gradient = this._getGradientFill(fill);
				fillstring = '<fill xmlns="urn:schemas-microsft.com:vml"' +
 ' class="vmlfill" style="behavior:url(#default#VML);display:inline-block;"' +
 ' opacity="' + fillOpacity + '"';
				for(i in gradient)
				{
					if(gradient.hasOwnProperty(i))
					{
						fillstring += ' ' + i + '="' + gradient[i] + '"';
					}
				}
				fillstring += ' />';
				props.node = fillstring;
			}
			else if(fill.color)
			{
				fillOpacity = parseFloat(fill.opacity);
				filled = true;
 props.color = fill.color;
				if(IS_NUM(fillOpacity))
				{
					fillOpacity = Math.max(Math.min(fillOpacity, 1), 0);
 props.opacity = fillOpacity;
 if(fillOpacity < 1)
 {
 props.node = '<fill xmlns="urn:schemas-microsft.com:vml"' +
 ' class="vmlfill" style="behavior:url(#default#VML);display:inline-block;"' +
 ' type="solid" opacity="' + fillOpacity + '"/>';
 }
 }
			}
			props.filled = filled;
		}
		return props;
	},

/**
	 * Adds a fill to the shape node.
	 *
	 * @method _fillChangeHandler
	 * @private
	 */
	_fillChangeHandler: function()
	{
 if(!this._fillFlag)
 {
 return;
 }
		var node = this.node,
			fill = this.get("fill"),
			fillOpacity,
			fillstring,
			filled = false,
 i,
 gradient;
		if(fill)
		{
			if(fill.type === "radial" || fill.type === "linear")
			{
				filled = true;
				gradient = this._getGradientFill(fill);
 if(this._fillNode)
 {
 for(i in gradient)
 {
 if(gradient.hasOwnProperty(i))
 {
 if(i === "colors")
 {
 this._fillNode.colors.value = gradient[i];
 }
 else
 {
 this._fillNode[i] = gradient[i];
 }
 }
 }
 }
 else
 {
 fillstring = '<fill xmlns="urn:schemas-microsft.com:vml"' +
 ' class="vmlfill"' +
 ' style="behavior:url(#default#VML);display:inline-block;"';
 for(i in gradient)
 {
 if(gradient.hasOwnProperty(i))
 {
 fillstring += ' ' + i + '="' + gradient[i] + '"';
 }
 }
 fillstring += ' />';
 this._fillNode = DOCUMENT.createElement(fillstring);
 node.appendChild(this._fillNode);
 }
			}
			else if(fill.color)
			{
 node.fillcolor = fill.color;
				fillOpacity = parseFloat(fill.opacity);
				filled = true;
				if(IS_NUM(fillOpacity) && fillOpacity < 1)
				{
					fill.opacity = fillOpacity;
 if(this._fillNode)
					{
 if(this._fillNode.getAttribute("type") !== "solid")
 {
 this._fillNode.type = "solid";
 }
						this._fillNode.opacity = fillOpacity;
					}
					else
					{
 fillstring = '<fill xmlns="urn:schemas-microsft.com:vml"' +
 ' class="vmlfill"' +
 ' style="behavior:url(#default#VML);display:inline-block;"' +
 ' type="solid"' +
 ' opacity="' + fillOpacity + '"' +
 '/>';
 this._fillNode = DOCUMENT.createElement(fillstring);
 node.appendChild(this._fillNode);
					}
				}
				else if(this._fillNode)
 {
 this._fillNode.opacity = 1;
 this._fillNode.type = "solid";
				}
			}
		}
		node.filled = filled;
 this._fillFlag = false;
	},

//not used. remove next release.
    _updateFillNode: function(node)
	{
		if(!this._fillNode)
		{
			this._fillNode = this._createGraphicNode("fill");
			node.appendChild(this._fillNode);
		}
	},

/**
 * Calculates and returns an object containing gradient properties for a fill node.
 *
 * @method _getGradientFill
 * @param {Object} fill Object containing fill properties.
 * @return Object
 * @private
 */
	_getGradientFill: function(fill)
	{
		var gradientProps = {},
			gradientBoxWidth,
			gradientBoxHeight,
			type = fill.type,
			w = this.get("width"),
			h = this.get("height"),
			isNumber = IS_NUM,
			stop,
			stops = fill.stops,
			len = stops.length,
			opacity,
			color,
			i,
			oi,
			colorstring = "",
			cx = fill.cx,
			cy = fill.cy,
			fx = fill.fx,
			fy = fill.fy,
			r = fill.r,
 pct,
			rotation = fill.rotation || 0;
		if(type === "linear")
		{
 if(rotation <= 270)
 {
 rotation = Math.abs(rotation - 270);
 }
			else if(rotation < 360)
 {
 rotation = 270 + (360 - rotation);
 }
 else
 {
 rotation = 270;
 }
 gradientProps.type = "gradient";//"gradientunscaled";
			gradientProps.angle = rotation;
		}
		else if(type === "radial")
		{
			gradientBoxWidth = w * (r * 2);
			gradientBoxHeight = h * (r * 2);
			fx = r * 2 * (fx - 0.5);
			fy = r * 2 * (fy - 0.5);
			fx += cx;
			fy += cy;
			gradientProps.focussize = (gradientBoxWidth/w)/10 + "% " + (gradientBoxHeight/h)/10 + "%";
			gradientProps.alignshape = false;
			gradientProps.type = "gradientradial";
			gradientProps.focus = "100%";
			gradientProps.focusposition = Math.round(fx * 100) + "% " + Math.round(fy * 100) + "%";
		}
		for(i = 0;i < len; ++i) {
			stop = stops[i];
			color = stop.color;
			opacity = stop.opacity;
			opacity = isNumber(opacity) ? opacity : 1;
			pct = stop.offset || i/(len-1);
			pct *= (r * 2);
 pct = Math.round(100 * pct) + "%";
 oi = i > 0 ? i + 1 : "";
 gradientProps["opacity" + oi] = opacity + "";
 colorstring += ", " + pct + " " + color;
		}
		if(parseFloat(pct) < 100)
		{
			colorstring += ", 100% " + color;
		}
		gradientProps.colors = colorstring.substr(2);
		return gradientProps;
	},

/**
     * Adds a transform to the shape.
     *
     * @method _addTransform
     * @param {String} type The transform being applied.
     * @param {Array} args The arguments for the transform.
	 * @private
	 */
	_addTransform: function(type, args)
	{
        args = Y.Array(args);
        this._transform = Y_LANG.trim(this._transform + " " + type + "(" + args.join(", ") + ")");
        args.unshift(type);
        this._transforms.push(args);
        if(this.initialized)
        {
            this._updateTransform();
        }
	},

/**
     * Applies all transforms.
     *
     * @method _updateTransform
	 * @private
	 */
	_updateTransform: function()
	{
		var node = this.node,
            key,
			transform,
			transformOrigin,
            x = this.get("x"),
            y = this.get("y"),
            tx,
            ty,
            matrix = this.matrix,
            normalizedMatrix = this._normalizedMatrix,
            isPathShape = this instanceof Y.VMLPath,
            i,
            len = this._transforms.length;
        if(this._transforms && this._transforms.length > 0)
		{
            transformOrigin = this.get("transformOrigin");

if(isPathShape)
            {
                normalizedMatrix.translate(this._left, this._top);
            }
            //vml skew matrix transformOrigin ranges from -0.5 to 0.5.
            //subtract 0.5 from values
            tx = transformOrigin[0] - 0.5;
            ty = transformOrigin[1] - 0.5;

//ensure the values are within the appropriate range to avoid errors
 tx = Math.max(-0.5, Math.min(0.5, tx));
 ty = Math.max(-0.5, Math.min(0.5, ty));
 for(i = 0; i < len; ++i)
 {
 key = this._transforms[i].shift();
 if(key)
 {
 normalizedMatrix[key].apply(normalizedMatrix, this._transforms[i]);
 matrix[key].apply(matrix, this._transforms[i]);
 }
			}
 if(isPathShape)
 {
 normalizedMatrix.translate(-this._left, -this._top);
 }
 transform = normalizedMatrix.a + "," +
 normalizedMatrix.c + "," +
 normalizedMatrix.b + "," +
 normalizedMatrix.d + "," +
 0 + "," +
 0;
		}
 this._graphic.addToRedrawQueue(this);
 if(transform)
 {
 if(!this._skew)
 {
 this._skew = DOCUMENT.createElement(
 '<skew class="vmlskew"' +
 ' xmlns="urn:schemas-microsft.com:vml"' +
 ' on="false"' +
 ' style="behavior:url(#default#VML);display:inline-block;"' +
 '/>'
 );
 this.node.appendChild(this._skew);
 }
 this._skew.matrix = transform;
 this._skew.on = true;
 //this._skew.offset = this._getSkewOffsetValue(normalizedMatrix.dx) + "px, " + this._getSkewOffsetValue(normalizedMatrix.dy) + "px";
 this._skew.origin = tx + ", " + ty;
 }
 if(this._type !== "path")
 {
 this._transforms = [];
 }
 //add the translate to the x and y coordinates
 node.style.left = (x + this._getSkewOffsetValue(normalizedMatrix.dx)) + "px";
 node.style.top = (y + this._getSkewOffsetValue(normalizedMatrix.dy)) + "px";
 },

/**
     * Normalizes the skew offset values between -32767 and 32767.
     *
     * @method _getSkewOffsetValue
     * @param {Number} val The value to normalize
     * @return Number
     * @private
     */
    _getSkewOffsetValue: function(val)
    {
        var sign = Y.MatrixUtil.sign(val),
            absVal = Math.abs(val);
        val = Math.min(absVal, 32767) * sign;
        return val;
    },

/**
	 * Storage for translateX
	 *
     * @property _translateX
     * @type Number
	 * @private
	 */
	_translateX: 0,

/**
	 * Storage for translateY
	 *
     * @property _translateY
     * @type Number
	 * @private
	 */
	_translateY: 0,

/**
     * Storage for the transform attribute.
     *
     * @property _transform
     * @type String
     * @private
     */
    _transform: "",

/**
	 * Specifies a 2d translation.
	 *
	 * @method translate
	 * @param {Number} x The value to translate on the x-axis.
	 * @param {Number} y The value to translate on the y-axis.
	 */
	translate: function(x, y)
	{
		this._translateX += x;
		this._translateY += y;
		this._addTransform("translate", arguments);
	},

/**
	 * Translates the shape along the x-axis. When translating x and y coordinates,
	 * use the `translate` method.
	 *
	 * @method translateX
	 * @param {Number} x The value to translate.
	 */
	translateX: function(x)
    {
        this._translateX += x;
        this._addTransform("translateX", arguments);
    },

/**
	 * Performs a translate on the y-coordinate. When translating x and y coordinates,
	 * use the `translate` method.
	 *
	 * @method translateY
	 * @param {Number} y The value to translate.
	 */
	translateY: function(y)
    {
        this._translateY += y;
        this._addTransform("translateY", arguments);
    },

/**
     * Skews the shape around the x-axis and y-axis.
     *
     * @method skew
     * @param {Number} x The value to skew on the x-axis.
     * @param {Number} y The value to skew on the y-axis.
     */
    skew: function()
    {
        this._addTransform("skew", arguments);
    },

/**
	 * Skews the shape around the x-axis.
	 *
	 * @method skewX
	 * @param {Number} x x-coordinate
	 */
     skewX: function()
     {
        this._addTransform("skewX", arguments);
     },

/**
	 * Skews the shape around the y-axis.
	 *
	 * @method skewY
	 * @param {Number} y y-coordinate
	 */
     skewY: function()
     {
        this._addTransform("skewY", arguments);
     },

/**
	 * Rotates the shape clockwise around it transformOrigin.
	 *
	 * @method rotate
	 * @param {Number} deg The degree of the rotation.
	 */
     rotate: function()
     {
        this._addTransform("rotate", arguments);
     },

/**
	 * Specifies a 2d scaling operation.
	 *
	 * @method scale
	 * @param {Number} val
	 */
    scale: function()
    {
        this._addTransform("scale", arguments);
    },

/**
     * Overrides default `on` method. Checks to see if its a dom interaction event. If so,
     * return an event attached to the `node` element. If not, return the normal functionality.
     *
     * @method on
     * @param {String} type event type
     * @param {Object} callback function
	 * @private
	 */
	on: function(type, fn)
	{
		if(Y.Node.DOM_EVENTS[type])
		{
            return Y.on(type, fn, "#" + this.get("id"));
		}
		return Y.on.apply(this, arguments);
	},

/**
	 * Draws the shape.
	 *
	 * @method _draw
	 * @private
	 */
	_draw: function()
	{
	},

/**
     * Updates `Shape` based on attribute changes.
     *
     * @method _updateHandler
	 * @private
	 */
	_updateHandler: function()
	{
		var host = this,
            node = host.node;
        host._fillChangeHandler();
        host._strokeChangeHandler();
        node.style.width = this.get("width") + "px";
        node.style.height = this.get("height") + "px";
        this._draw();
		host._updateTransform();
	},

/**
	 * Creates a graphic node
	 *
	 * @method _createGraphicNode
	 * @param {String} type node type to create
	 * @return HTMLElement
	 * @private
	 */
	_createGraphicNode: function(type)
	{
		type = type || this._type;
		return DOCUMENT.createElement(
 '<' + type +
 ' xmlns="urn:schemas-microsft.com:vml"' +
 ' style="behavior:url(#default#VML);display:inline-block;"' +
 ' class="vml' + type + '"' +
 '/>'
 );
	},

/**
	 * Value function for fill attribute
	 *
	 * @private
	 * @method _getDefaultFill
	 * @return Object
	 */
	_getDefaultFill: function() {
		return {
			type: "solid",
			opacity: 1,
			cx: 0.5,
			cy: 0.5,
			fx: 0.5,
			fy: 0.5,
			r: 0.5
		};
	},

/**
	 * Value function for stroke attribute
	 *
	 * @private
	 * @method _getDefaultStroke
	 * @return Object
	 */
	_getDefaultStroke: function()
	{
		return {
			weight: 1,
			dashstyle: "none",
			color: "#000",
			opacity: 1.0
		};
	},

/**
     * Sets the value of an attribute.
     *
     * @method set
     * @param {String|Object} name The name of the attribute. Alternatively, an object of key value pairs can
     * be passed in to set multiple attributes at once.
     * @param {Any} value The value to set the attribute to. This value is ignored if an object is received as
     * the name param.
     */
	set: function()
	{
		var host = this;
		AttributeLite.prototype.set.apply(host, arguments);
		if(host.initialized)
		{
			host._updateHandler();
		}
	},

/**
	 * Returns the bounds for a shape.
	 *
     * Calculates the a new bounding box from the original corner coordinates (base on size and position) and the transform matrix.
     * The calculated bounding box is used by the graphic instance to calculate its viewBox.
     *
	 * @method getBounds
	 * @return Object
	 */
	getBounds: function()
	{
		var isPathShape = this instanceof Y.VMLPath,
			w = this.get("width"),
			h = this.get("height"),
            x = this.get("x"),
            y = this.get("y");
        if(isPathShape)
        {
            x = x + this._left;
            y = y + this._top;
            w = this._right - this._left;
            h = this._bottom - this._top;
        }
        return this._getContentRect(w, h, x, y);
	},

/**
 * Calculates the bounding box for the shape.
 *
 * @method _getContentRect
 * @param {Number} w width of the shape
 * @param {Number} h height of the shape
 * @param {Number} x x-coordinate of the shape
 * @param {Number} y y-coordinate of the shape
 * @private
 */
 _getContentRect: function(w, h, x, y)
 {
 var transformOrigin = this.get("transformOrigin"),
 transformX = transformOrigin[0] * w,
 transformY = transformOrigin[1] * h,
 transforms = this.matrix.getTransformArray(this.get("transform")),
 matrix = new Y.Matrix(),
 i,
 len = transforms.length,
 transform,
 key,
 contentRect,
 isPathShape = this instanceof Y.VMLPath;
 if(isPathShape)
 {
 matrix.translate(this._left, this._top);
 }
 transformX = !isNaN(transformX) ? transformX : 0;
 transformY = !isNaN(transformY) ? transformY : 0;
 matrix.translate(transformX, transformY);
 for(i = 0; i < len; i = i + 1)
 {
 transform = transforms[i];
 key = transform.shift();
 if(key)
 {
 matrix[key].apply(matrix, transform);
 }
 }
 matrix.translate(-transformX, -transformY);
 if(isPathShape)
 {
 matrix.translate(-this._left, -this._top);
 }
 contentRect = matrix.getContentRect(w, h, x, y);
 return contentRect;
 },

/**
     * Places the shape above all other shapes.
     *
     * @method toFront
     */
    toFront: function()
    {
        var graphic = this.get("graphic");
        if(graphic)
        {
            graphic._toFront(this);
        }
    },

/**
     * Places the shape underneath all other shapes.
     *
     * @method toFront
     */
    toBack: function()
    {
        var graphic = this.get("graphic");
        if(graphic)
        {
            graphic._toBack(this);
        }
    },

/**
 * Parses path data string and call mapped methods.
 *
 * @method _parsePathData
 * @param {String} val The path data
 * @private
 */
 _parsePathData: function(val)
 {
 var method,
 methodSymbol,
 args,
 commandArray = Y.Lang.trim(val.match(SPLITPATHPATTERN)),
 i,
 len,
 str,
 symbolToMethod = this._pathSymbolToMethod;
 if(commandArray)
 {
 this.clear();
 len = commandArray.length || 0;
 for(i = 0; i < len; i = i + 1)
 {
 str = commandArray[i];
 methodSymbol = str.substr(0, 1);
 args = str.substr(1).match(SPLITARGSPATTERN);
 method = symbolToMethod[methodSymbol];
 if(method)
 {
 if(args)
 {
 this[method].apply(this, args);
 }
 else
 {
 this[method].apply(this);
 }
 }
 }
 this.end();
 }
 },

/**
     *  Destroys shape
     *
     *  @method destroy
     */
    destroy: function()
    {
        var graphic = this.get("graphic");
        if(graphic)
        {
            graphic.removeShape(this);
        }
        else
        {
            this._destroy();
        }
    },

/**
     *  Implementation for shape destruction
     *
     *  @method destroy
     *  @protected
     */
    _destroy: function()
    {
        if(this.node)
        {
            if(this._fillNode)
            {
                this.node.removeChild(this._fillNode);
                this._fillNode = null;
            }
            if(this._strokeNode)
            {
                this.node.removeChild(this._strokeNode);
                this._strokeNode = null;
            }
            Y.Event.purgeElement(this.node, true);
            if(this.node.parentNode)
            {
                this.node.parentNode.removeChild(this.node);
            }
            this.node = null;
        }
    }
}, Y.VMLDrawing.prototype));

VMLShape.ATTRS = {
	/**
	 * An array of x, y values which indicates the transformOrigin in which to rotate the shape. Valid values range between 0 and 1 representing a
	 * fraction of the shape's corresponding bounding box dimension. The default value is [0.5, 0.5].
	 *
	 * @config transformOrigin
	 * @type Array
	 */
	transformOrigin: {
		valueFn: function()
		{
			return [0.5, 0.5];
		}
	},

/**
 * A string containing, in order, transform operations applied to the shape instance. The `transform` string can contain the following values:
 *
 * <dl>
 * <dt>rotate</dt><dd>Rotates the shape clockwise around it transformOrigin.</dd>
 * <dt>translate</dt><dd>Specifies a 2d translation.</dd>
 * <dt>skew</dt><dd>Skews the shape around the x-axis and y-axis.</dd>
 * <dt>scale</dt><dd>Specifies a 2d scaling operation.</dd>
 * <dt>translateX</dt><dd>Translates the shape along the x-axis.</dd>
 * <dt>translateY</dt><dd>Translates the shape along the y-axis.</dd>
 * <dt>skewX</dt><dd>Skews the shape around the x-axis.</dd>
 * <dt>skewY</dt><dd>Skews the shape around the y-axis.</dd>
 * <dt>matrix</dt><dd>Specifies a 2D transformation matrix comprised of the specified six values.</dd>
 * </dl>
 * 
 * Applying transforms through the transform attribute will reset the transform matrix and apply a new transform. The shape class also contains
 * corresponding methods for each transform that will apply the transform to the current matrix. The below code illustrates how you might use the
 * `transform` attribute to instantiate a recangle with a rotation of 45 degrees.
 var myRect = new Y.Rect({
 type:"rect",
 width: 50,
 height: 40,
 transform: "rotate(45)"
 };
 * The code below would apply `translate` and `rotate` to an existing shape.

myRect.set("transform", "translate(40, 50) rotate(45)");
	 * @config transform
 * @type String
	 */
	transform: {
		setter: function(val)
		{
 var i,
 len,
 transform;
 this.matrix.init();
 this._normalizedMatrix.init();
 this._transforms = this.matrix.getTransformArray(val);
 len = this._transforms.length;
 for(i = 0;i < len; ++i)
 {
 transform = this._transforms[i];
 }
 this._transform = val;
 return val;
		},

getter: function()
        {
            return this._transform;
        }
	},

/**
	 * Indicates the x position of shape.
	 *
	 * @config x
	 * @type Number
	 */
	x: {
		value: 0
	},

/**
	 * Indicates the y position of shape.
	 *
	 * @config y
	 * @type Number
	 */
	y: {
		value: 0
	},

/**
	 * Unique id for class instance.
	 *
	 * @config id
	 * @type String
	 */
	id: {
		valueFn: function()
		{
			return Y.guid();
		},

setter: function(val)
		{
			var node = this.node;
			if(node)
			{
				node.setAttribute("id", val);
			}
			return val;
		}
	},

/**
	 *
	 * @config width
	 */
	width: {
		value: 0
	},

/**
	 *
	 * @config height
	 */
	height: {
		value: 0
	},

/**
	 * Indicates whether the shape is visible.
	 *
	 * @config visible
	 * @type Boolean
	 */
	visible: {
		value: true,

setter: function(val){
			var node = this.node,
				visibility = val ? "visible" : "hidden";
			if(node)
			{
				node.style.visibility = visibility;
			}
			return val;
		}
	},

/**
	 * Contains information about the fill of the shape.
 * <dl>
 * <dt>color</dt><dd>The color of the fill.</dd>
 * <dt>opacity</dt><dd>Number between 0 and 1 that indicates the opacity of the fill. The default value is 1.</dd>
 * <dt>type</dt><dd>Type of fill.
 * <dl>
 * <dt>solid</dt><dd>Solid single color fill. (default)</dd>
 * <dt>linear</dt><dd>Linear gradient fill.</dd>
 * <dt>radial</dt><dd>Radial gradient fill.</dd>
 * </dl>
 * </dd>
 * </dl>
 * If a `linear` or `radial` is specified as the fill type. The following additional property is used:
 * <dl>
 * <dt>stops</dt><dd>An array of objects containing the following properties:
 * <dl>
 * <dt>color</dt><dd>The color of the stop.</dd>
 * <dt>opacity</dt><dd>Number between 0 and 1 that indicates the opacity of the stop. The default value is 1.
 * Note: No effect for IE 6 - 8</dd>
 * <dt>offset</dt><dd>Number between 0 and 1 indicating where the color stop is positioned.</dd>
 * </dl>
 * </dd>
 * Linear gradients also have the following property:
 * <dt>rotation</dt><dd>Linear gradients flow left to right by default. The rotation property allows you to change the
 * flow by rotation. (e.g. A rotation of 180 would make the gradient pain from right to left.)</dd>
 * Radial gradients have the following additional properties:
 * <dt>r</dt><dd>Radius of the gradient circle.</dd>
 * <dt>fx</dt><dd>Focal point x-coordinate of the gradient.</dd>
 * <dt>fy</dt><dd>Focal point y-coordinate of the gradient.</dd>
 * </dl>
 * The corresponding `SVGShape` class implements the following additional properties.
 * <dl>
 * <dt>cx</dt><dd>
 * The x-coordinate of the center of the gradient circle. Determines where the color stop begins. The default value 0.5.
 * Note: Currently, this property is not implemented for corresponding `CanvasShape` and
 * `VMLShape` classes which are used on Android or IE 6 - 8.
 * </dd>
 * <dt>cy</dt><dd>
 * The y-coordinate of the center of the gradient circle. Determines where the color stop begins. The default value 0.5.
 * Note: Currently, this property is not implemented for corresponding `CanvasShape` and `VMLShape`
 * classes which are used on Android or IE 6 - 8.
 * </dd>
 * </dl>
 * These properties are not currently implemented in `CanvasShape` or `VMLShape`.
	 *
	 * @config fill
	 * @type Object
	 */
	fill: {
		valueFn: "_getDefaultFill",

setter: function(val)
		{
			var i,
				fill,
				tmpl = this.get("fill") || this._getDefaultFill();

if(val)
			{
				//ensure, fill type is solid if color is explicitly passed.
				if(val.hasOwnProperty("color"))
				{
					val.type = "solid";
				}
				for(i in val)
				{
					if(val.hasOwnProperty(i))
					{
						tmpl[i] = val[i];
					}
				}
			}
			fill = tmpl;
			if(fill && fill.color)
			{
				if(fill.color === undefined || fill.color === "none")
				{
                    fill.color = null;
				}
                else
                {
                    if(fill.color.toLowerCase().indexOf("rgba") > -1)
                    {
                        fill.opacity = Y.Color._getAlpha(fill.color);
                        fill.color =  Y.Color.toHex(fill.color);
                    }
                }
			}
			this._fillFlag = true;
            return fill;
		}
	},

/**
	 * Contains information about the stroke of the shape.
 * <dl>
 * <dt>color</dt><dd>The color of the stroke.</dd>
 * <dt>weight</dt><dd>Number that indicates the width of the stroke.</dd>
 * <dt>opacity</dt><dd>Number between 0 and 1 that indicates the opacity of the stroke. The default value is 1.</dd>
 * <dt>dashstyle</dt>Indicates whether to draw a dashed stroke. When set to "none", a solid stroke is drawn. When set
 * to an array, the first index indicates the length of the dash. The second index indicates the length of gap.
 * <dt>linecap</dt><dd>Specifies the linecap for the stroke. The following values can be specified:
 * <dl>
 * <dt>butt (default)</dt><dd>Specifies a butt linecap.</dd>
 * <dt>square</dt><dd>Specifies a sqare linecap.</dd>
 * <dt>round</dt><dd>Specifies a round linecap.</dd>
 * </dl>
 * </dd>
 * <dt>linejoin</dt><dd>Specifies a linejoin for the stroke. The following values can be specified:
 * <dl>
 * <dt>round (default)</dt><dd>Specifies that the linejoin will be round.</dd>
 * <dt>bevel</dt><dd>Specifies a bevel for the linejoin.</dd>
 * <dt>miter limit</dt><dd>An integer specifying the miter limit of a miter linejoin. If you want to specify a linejoin
 * of miter, you simply specify the limit as opposed to having separate miter and miter limit values.</dd>
 * </dl>
 * </dd>
 * </dl>
	 *
	 * @config stroke
	 * @type Object
	 */
	stroke: {
		valueFn: "_getDefaultStroke",

setter: function(val)
		{
			var i,
				stroke,
                wt,
				tmpl = this.get("stroke") || this._getDefaultStroke();
			if(val)
			{
                if(val.hasOwnProperty("weight"))
                {
                    wt = parseInt(val.weight, 10);
                    if(!isNaN(wt))
                    {
                        val.weight = wt;
                    }
                }
				for(i in val)
				{
					if(val.hasOwnProperty(i))
					{
						tmpl[i] = val[i];
					}
				}
			}
            if(tmpl.color && tmpl.color.toLowerCase().indexOf("rgba") > -1)
            {
               tmpl.opacity = Y.Color._getAlpha(tmpl.color);
               tmpl.color =  Y.Color.toHex(tmpl.color);
            }
			stroke = tmpl;
            this._strokeFlag = true;
			return stroke;
		}
	},

//Not used. Remove in future.
    autoSize: {
		value: false
	},

// Only implemented in SVG
	// Determines whether the instance will receive mouse events.
	//
	// @config pointerEvents
	// @type string
	//
	pointerEvents: {
		value: "visiblePainted"
	},

/**
	 * Dom node for the shape.
	 *
	 * @config node
	 * @type HTMLElement
	 * @readOnly
	 */
	node: {
		readOnly: true,

getter: function()
		{
			return this.node;
		}
	},

/**
     * Represents an SVG Path string. This will be parsed and added to shape's API to represent the SVG data across all
     * implementations. Note that when using VML or SVG implementations, part of this content will be added to the DOM using
     * respective VML/SVG attributes. If your content comes from an untrusted source, you will need to ensure that no
     * malicious code is included in that content.
     *
     * @config data
     * @type String
     */
    data: {
        setter: function(val)
        {
            if(this.get("node"))
            {
                this._parsePathData(val);
            }
            return val;
        }
    },

/**
	 * Reference to the container Graphic.
	 *
	 * @config graphic
	 * @type Graphic
	 */
	graphic: {
		readOnly: true,

getter: function()
		{
			return this._graphic;
		}
	}
};
Y.VMLShape = VMLShape;
/**
 * <a href="http://www.w3.org/TR/NOTE-VML">VML</a> implementation of the <a href="Path.html">`Path`</a> class.
 * `VMLPath` is not intended to be used directly. Instead, use the <a href="Path.html">`Path`</a> class.
 * If the browser lacks <a href="http://www.w3.org/TR/SVG/">SVG</a> and <a href="http://www.w3.org/TR/html5/the-canvas-element.html">Canvas</a>
 * capabilities, the <a href="Path.html">`Path`</a> class will point to the `VMLPath` class.
 *
 * @module graphics
 * @class VMLPath
 * @extends VMLShape
 */
VMLPath = function()
{
	VMLPath.superclass.constructor.apply(this, arguments);
};

VMLPath.NAME = "path";
Y.extend(VMLPath, Y.VMLShape);
VMLPath.ATTRS = Y.merge(Y.VMLShape.ATTRS, {
	/**
	 * Indicates the width of the shape
	 *
	 * @config width
	 * @type Number
	 */
	width: {
		getter: function()
		{
			var val = Math.max(this._right - this._left, 0);
			return val;
		}
	},

/**
	 * Indicates the height of the shape
	 *
	 * @config height
	 * @type Number
	 */
	height: {
		getter: function()
		{
			return Math.max(this._bottom - this._top, 0);
		}
	},

/**
	 * Indicates the path used for the node.
	 *
	 * @config path
	 * @type String
     * @readOnly
	 */
	path: {
		readOnly: true,

getter: function()
		{
			return this._path;
		}
	}
});
Y.VMLPath = VMLPath;
/**
 * <a href="http://www.w3.org/TR/NOTE-VML">VML</a> implementation of the <a href="Rect.html">`Rect`</a> class.
 * `VMLRect` is not intended to be used directly. Instead, use the <a href="Rect.html">`Rect`</a> class.
 * If the browser lacks <a href="http://www.w3.org/TR/SVG/">SVG</a> and <a href="http://www.w3.org/TR/html5/the-canvas-element.html">Canvas</a>
 * capabilities, the <a href="Rect.html">`Rect`</a> class will point to the `VMLRect` class.
 *
 * @module graphics
 * @class VMLRect
 * @constructor
 */
VMLRect = function()
{
	VMLRect.superclass.constructor.apply(this, arguments);
};
VMLRect.NAME = "rect";
Y.extend(VMLRect, Y.VMLShape, {
	/**
	 * Indicates the type of shape
	 *
	 * @property _type
	 * @type String
 * @private
	 */
	_type: "rect"
});
VMLRect.ATTRS = Y.VMLShape.ATTRS;
Y.VMLRect = VMLRect;
/**
 * <a href="http://www.w3.org/TR/NOTE-VML">VML</a> implementation of the <a href="Ellipse.html">`Ellipse`</a> class.
 * `VMLEllipse` is not intended to be used directly. Instead, use the <a href="Ellipse.html">`Ellipse`</a> class.
 * If the browser lacks <a href="http://www.w3.org/TR/SVG/">SVG</a> and <a href="http://www.w3.org/TR/html5/the-canvas-element.html">Canvas</a>
 * capabilities, the <a href="Ellipse.html">`Ellipse`</a> class will point to the `VMLEllipse` class.
 *
 * @module graphics
 * @class VMLEllipse
 * @constructor
 */
VMLEllipse = function()
{
	VMLEllipse.superclass.constructor.apply(this, arguments);
};

VMLEllipse.NAME = "ellipse";

Y.extend(VMLEllipse, Y.VMLShape, {
	/**
	 * Indicates the type of shape
	 *
	 * @property _type
	 * @type String
     * @private
	 */
	_type: "oval"
});
VMLEllipse.ATTRS = Y.merge(Y.VMLShape.ATTRS, {
	/**
	 * Horizontal radius for the ellipse.
	 *
	 * @config xRadius
	 * @type Number
	 */
	xRadius: {
		lazyAdd: false,

getter: function()
		{
			var val = this.get("width");
			val = Math.round((val/2) * 100)/100;
			return val;
		},

setter: function(val)
		{
			var w = val * 2;
			this.set("width", w);
			return val;
		}
	},

/**
	 * Vertical radius for the ellipse.
	 *
	 * @config yRadius
	 * @type Number
	 * @readOnly
	 */
	yRadius: {
		lazyAdd: false,

getter: function()
		{
			var val = this.get("height");
			val = Math.round((val/2) * 100)/100;
			return val;
		},

setter: function(val)
		{
			var h = val * 2;
			this.set("height", h);
			return val;
		}
	}
});
Y.VMLEllipse = VMLEllipse;
/**
 * <a href="http://www.w3.org/TR/NOTE-VML">VML</a> implementation of the <a href="Circle.html">`Circle`</a> class.
 * `VMLCircle` is not intended to be used directly. Instead, use the <a href="Circle.html">`Circle`</a> class.
 * If the browser lacks <a href="http://www.w3.org/TR/SVG/">SVG</a> and <a href="http://www.w3.org/TR/html5/the-canvas-element.html">Canvas</a>
 * capabilities, the <a href="Circle.html">`Circle`</a> class will point to the `VMLCircle` class.
 *
 * @module graphics
 * @class VMLCircle
 * @constructor
 */
VMLCircle = function()
{
	VMLCircle.superclass.constructor.apply(this, arguments);
};

VMLCircle.NAME = "circle";

Y.extend(VMLCircle, VMLShape, {
	/**
	 * Indicates the type of shape
	 *
	 * @property _type
	 * @type String
     * @private
	 */
	_type: "oval"
});

VMLCircle.ATTRS = Y.merge(VMLShape.ATTRS, {
	/**
	 * Radius for the circle.
	 *
	 * @config radius
	 * @type Number
	 */
	radius: {
		lazyAdd: false,

value: 0
	},

/**
	 * Indicates the width of the shape
	 *
	 * @config width
	 * @type Number
	 */
	width: {
        setter: function(val)
        {
            this.set("radius", val/2);
            return val;
        },

getter: function()
		{
			var radius = this.get("radius"),
			val = radius && radius > 0 ? radius * 2 : 0;
			return val;
		}
	},

/**
	 * Indicates the height of the shape
	 *
	 * @config height
	 * @type Number
	 */
	height: {
        setter: function(val)
        {
            this.set("radius", val/2);
            return val;
        },

getter: function()
		{
			var radius = this.get("radius"),
			val = radius && radius > 0 ? radius * 2 : 0;
			return val;
		}
	}
});
Y.VMLCircle = VMLCircle;
/**
 * Draws pie slices
 *
 * @module graphics
 * @class VMLPieSlice
 * @constructor
 */
VMLPieSlice = function()
{
	VMLPieSlice.superclass.constructor.apply(this, arguments);
};
VMLPieSlice.NAME = "vmlPieSlice";
Y.extend(VMLPieSlice, Y.VMLShape, Y.mix({
    /**
     * Indicates the type of shape
     *
     * @property _type
     * @type String
     * @private
     */
    _type: "shape",

/**
	 * Change event listener
	 *
	 * @private
	 * @method _updateHandler
	 */
	_draw: function()
	{
        var x = this.get("cx"),
            y = this.get("cy"),
            startAngle = this.get("startAngle"),
            arc = this.get("arc"),
            radius = this.get("radius");
        this.clear();
        this.drawWedge(x, y, startAngle, arc, radius);
		this.end();
	}
 }, Y.VMLDrawing.prototype));
VMLPieSlice.ATTRS = Y.mix({
    cx: {
        value: 0
    },

cy: {
        value: 0
    },
    /**
     * Starting angle in relation to a circle in which to begin the pie slice drawing.
     *
     * @config startAngle
     * @type Number
     */
    startAngle: {
        value: 0
    },

/**
     * Arc of the slice.
     *
     * @config arc
     * @type Number
     */
    arc: {
        value: 0
    },

/**
 * Radius of the circle in which the pie slice is drawn
 *
 * @config radius
 * @type Number
 */
 radius: {
 value: 0
 }
}, Y.VMLShape.ATTRS);
Y.VMLPieSlice = VMLPieSlice;
/**
 * <a href="http://www.w3.org/TR/NOTE-VML">VML</a> implementation of the <a href="Graphic.html">`Graphic`</a> class.
 * `VMLGraphic` is not intended to be used directly. Instead, use the <a href="Graphic.html">`Graphic`</a> class.
 * If the browser lacks <a href="http://www.w3.org/TR/SVG/">SVG</a> and <a href="http://www.w3.org/TR/html5/the-canvas-element.html">Canvas</a>
 * capabilities, the <a href="Graphic.html">`Graphic`</a> class will point to the `VMLGraphic` class.
 *
 * @module graphics
 * @class VMLGraphic
 * @constructor
 */
VMLGraphic = function() {
 VMLGraphic.superclass.constructor.apply(this, arguments);
};

VMLGraphic.NAME = "vmlGraphic";

VMLGraphic.ATTRS = {
    /**
     * Whether or not to render the `Graphic` automatically after to a specified parent node after init. This can be a Node
     * instance or a CSS selector string.
     *
     * @config render
     * @type Node | String
     */
    render: {},

/**
	 * Unique id for class instance.
	 *
	 * @config id
	 * @type String
	 */
	id: {
		valueFn: function()
		{
			return Y.guid();
		},

setter: function(val)
		{
			var node = this._node;
			if(node)
			{
				node.setAttribute("id", val);
			}
			return val;
		}
	},

/**
     * Key value pairs in which a shape instance is associated with its id.
     *
     *  @config shapes
     *  @type Object
     *  @readOnly
     */
    shapes: {
        readOnly: true,

getter: function()
        {
            return this._shapes;
        }
    },

/**
     *  Object containing size and coordinate data for the content of a Graphic in relation to the coordSpace node.
     *
     *  @config contentBounds
     *  @type Object
     */
    contentBounds: {
        readOnly: true,

getter: function()
        {
            return this._contentBounds;
        }
    },

/**
     *  The html element that represents to coordinate system of the Graphic instance.
     *
     *  @config node
     *  @type HTMLElement
     */
    node: {
        readOnly: true,

getter: function()
        {
            return this._node;
        }
    },

/**
	 * Indicates the width of the `Graphic`.
	 *
	 * @config width
	 * @type Number
	 */
    width: {
        setter: function(val)
        {
            if(this._node)
            {
                this._node.style.width = val + "px";
            }
            return val;
        }
    },

/**
	 * Indicates the height of the `Graphic`.
	 *
	 * @config height
	 * @type Number
	 */
    height: {
        setter: function(val)
        {
            if(this._node)
            {
                this._node.style.height = val + "px";
            }
            return val;
        }
    },

/**
 * Determines the sizing of the Graphic.
 *
 * <dl>
 * <dt>sizeContentToGraphic</dt><dd>The Graphic's width and height attributes are, either explicitly set through the
 * <code>width</code> and <code>height</code> attributes or are determined by the dimensions of the parent element. The
 * content contained in the Graphic will be sized to fit with in the Graphic instance's dimensions. When using this
 * setting, the <code>preserveAspectRatio</code> attribute will determine how the contents are sized.</dd>
 * <dt>sizeGraphicToContent</dt><dd>(Also accepts a value of true) The Graphic's width and height are determined by the
 * size and positioning of the content.</dd>
 * <dt>false</dt><dd>The Graphic's width and height attributes are, either explicitly set through the <code>width</code>
 * and <code>height</code> attributes or are determined by the dimensions of the parent element. The contents of the
 * Graphic instance are not affected by this setting.</dd>
 * </dl>
 *
 *
 * @config autoSize
 * @type Boolean | String
 * @default false
 */
 autoSize: {
 value: false
 },

/**
 * Determines how content is sized when <code>autoSize</code> is set to <code>sizeContentToGraphic</code>.
 *
 * <dl>
 * <dt>none<dt><dd>Do not force uniform scaling. Scale the graphic content of the given element non-uniformly if necessary
 * such that the element's bounding box exactly matches the viewport rectangle.</dd>
 * <dt>xMinYMin</dt><dd>Force uniform scaling position along the top left of the Graphic's node.</dd>
 * <dt>xMidYMin</dt><dd>Force uniform scaling horizontally centered and positioned at the top of the Graphic's node.<dd>
 * <dt>xMaxYMin</dt><dd>Force uniform scaling positioned horizontally from the right and vertically from the top.</dd>
 * <dt>xMinYMid</dt>Force uniform scaling positioned horizontally from the left and vertically centered.</dd>
 * <dt>xMidYMid (the default)</dt><dd>Force uniform scaling with the content centered.</dd>
 * <dt>xMaxYMid</dt><dd>Force uniform scaling positioned horizontally from the right and vertically centered.</dd>
 * <dt>xMinYMax</dt><dd>Force uniform scaling positioned horizontally from the left and vertically from the bottom.</dd>
 * <dt>xMidYMax</dt><dd>Force uniform scaling horizontally centered and position vertically from the bottom.</dd>
 * <dt>xMaxYMax</dt><dd>Force uniform scaling positioned horizontally from the right and vertically from the bottom.</dd>
 * </dl>
 *
 * @config preserveAspectRatio
 * @type String
 * @default xMidYMid
 */
 preserveAspectRatio: {
 value: "xMidYMid"
 },

/**
     * The contentBounds will resize to greater values but not values. (for performance)
     * When resizing the contentBounds down is desirable, set the resizeDown value to true.
     *
     * @config resizeDown
     * @type Boolean
     */
    resizeDown: {
        resizeDown: false
    },

/**
	 * Indicates the x-coordinate for the instance.
	 *
	 * @config x
	 * @type Number
	 */
    x: {
        getter: function()
        {
            return this._x;
        },

setter: function(val)
        {
            this._x = val;
            if(this._node)
            {
                this._node.style.left = val + "px";
            }
            return val;
        }
    },

/**
	 * Indicates the y-coordinate for the instance.
	 *
	 * @config y
	 * @type Number
	 */
    y: {
        getter: function()
        {
            return this._y;
        },

setter: function(val)
        {
            this._y = val;
            if(this._node)
            {
                this._node.style.top = val + "px";
            }
            return val;
        }
    },

/**
     * Indicates whether or not the instance will automatically redraw after a change is made to a shape.
     * This property will get set to false when batching operations.
     *
     * @config autoDraw
     * @type Boolean
     * @default true
     * @private
     */
    autoDraw: {
        value: true
    },

visible: {
        value: true,

setter: function(val)
        {
            this._toggleVisible(val);
            return val;
        }
    }
};

Y.extend(VMLGraphic, Y.GraphicBase, {
    /**
     * Sets the value of an attribute.
     *
     * @method set
     * @param {String|Object} name The name of the attribute. Alternatively, an object of key value pairs can
     * be passed in to set multiple attributes at once.
     * @param {Any} value The value to set the attribute to. This value is ignored if an object is received as
     * the name param.
     */
	set: function()
	{
		var host = this,
            attr = arguments[0],
            redrawAttrs = {
                autoDraw: true,
                autoSize: true,
                preserveAspectRatio: true,
                resizeDown: true
            },
            key,
            forceRedraw = false;
		AttributeLite.prototype.set.apply(host, arguments);
        if(host._state.autoDraw === true && Y.Object.size(this._shapes) > 0)
        {
            if(Y_LANG.isString && redrawAttrs[attr])
            {
                forceRedraw = true;
            }
            else if(Y_LANG.isObject(attr))
            {
                for(key in redrawAttrs)
                {
                    if(redrawAttrs.hasOwnProperty(key) && attr[key])
                    {
                        forceRedraw = true;
                        break;
                    }
                }
            }
        }
        if(forceRedraw)
        {
            host._redraw();
        }
	},

/**
     * Storage for `x` attribute.
     *
     * @property _x
     * @type Number
     * @private
     */
    _x: 0,

/**
     * Storage for `y` attribute.
     *
     * @property _y
     * @type Number
     * @private
     */
    _y: 0,

/**
     * Gets the current position of the graphic instance in page coordinates.
     *
     * @method getXY
     * @return Array The XY position of the shape.
     */
    getXY: function()
    {
        var node = this.parentNode,
            x = this.get("x"),
            y = this.get("y"),
            xy;
        if(node)
        {
            xy = Y.DOM.getXY(node);
            xy[0] += x;
            xy[1] += y;
        }
        else
        {
            xy = Y.DOM._getOffset(this._node);
        }
        return xy;
    },

/**
     * Initializes the class.
     *
     * @method initializer
     * @private
     */
    initializer: function() {
        var render = this.get("render"),
            visibility = this.get("visible") ? "visible" : "hidden";
        this._shapes = {};
		this._contentBounds = {
            left: 0,
            top: 0,
            right: 0,
            bottom: 0
        };
        this._node = this._createGraphic();
        this._node.style.left = this.get("x") + "px";
        this._node.style.top = this.get("y") + "px";
        this._node.style.visibility = visibility;
        this._node.setAttribute("id", this.get("id"));
        if(render)
        {
            this.render(render);
        }
    },

/**
     * Adds the graphics node to the dom.
     *
     * @method render
     * @param {HTMLElement} parentNode node in which to render the graphics node into.
     */
    render: function(render) {
        var parentNode = render || DOCUMENT.body,
            node = this._node,
            w,
            h;
        if(render instanceof Y.Node)
        {
            parentNode = render._node;
        }
        else if(Y.Lang.isString(render))
        {
            parentNode = Y.Selector.query(render, DOCUMENT.body, true);
        }
        w = this.get("width") || parseInt(Y.DOM.getComputedStyle(parentNode, "width"), 10);
        h = this.get("height") || parseInt(Y.DOM.getComputedStyle(parentNode, "height"), 10);
        parentNode.appendChild(node);
        this.parentNode = parentNode;
        this.set("width", w);
        this.set("height", h);
        return this;
    },

/**
     * Removes all nodes.
     *
     * @method destroy
     */
    destroy: function()
    {
        this.removeAllShapes();
        if(this._node)
        {
            this._removeChildren(this._node);
            if(this._node.parentNode)
            {
                this._node.parentNode.removeChild(this._node);
            }
            this._node = null;
        }
    },

/**
     * Generates a shape instance by type.
     *
     * @method addShape
     * @param {Object} cfg attributes for the shape
     * @return Shape
     */
    addShape: function(cfg)
    {
        cfg.graphic = this;
        if(!this.get("visible"))
        {
            cfg.visible = false;
        }
        var ShapeClass = this._getShapeClass(cfg.type),
            shape = new ShapeClass(cfg);
        this._appendShape(shape);
        shape._appendStrokeAndFill();
        return shape;
    },

/**
     * Adds a shape instance to the graphic instance.
     *
     * @method _appendShape
     * @param {Shape} shape The shape instance to be added to the graphic.
     * @private
     */
    _appendShape: function(shape)
    {
        var node = shape.node,
            parentNode = this._frag || this._node;
        if(this.get("autoDraw") || this.get("autoSize") === "sizeContentToGraphic")
        {
            parentNode.appendChild(node);
        }
        else
        {
            this._getDocFrag().appendChild(node);
        }
    },

/**
     * Removes a shape instance from from the graphic instance.
     *
     * @method removeShape
     * @param {Shape|String} shape The instance or id of the shape to be removed.
     */
    removeShape: function(shape)
    {
        if(!(shape instanceof VMLShape))
        {
            if(Y_LANG.isString(shape))
            {
                shape = this._shapes[shape];
            }
        }
        if(shape && (shape instanceof VMLShape))
        {
            shape._destroy();
            this._shapes[shape.get("id")] = null;
            delete this._shapes[shape.get("id")];
        }
        if(this.get("autoDraw"))
        {
            this._redraw();
        }
    },

/**
     * Removes all shape instances from the dom.
     *
     * @method removeAllShapes
     */
    removeAllShapes: function()
    {
        var shapes = this._shapes,
            i;
        for(i in shapes)
        {
            if(shapes.hasOwnProperty(i))
            {
                shapes[i].destroy();
            }
        }
        this._shapes = {};
    },

/**
     * Removes all child nodes.
     *
     * @method _removeChildren
     * @param node
     * @private
     */
    _removeChildren: function(node)
    {
        if(node.hasChildNodes())
        {
            var child;
            while(node.firstChild)
            {
                child = node.firstChild;
                this._removeChildren(child);
                node.removeChild(child);
            }
        }
    },

/**
     * Clears the graphics object.
     *
     * @method clear
     */
    clear: function() {
        this.removeAllShapes();
        this._removeChildren(this._node);
    },

/**
     * Toggles visibility
     *
     * @method _toggleVisible
     * @param {Boolean} val indicates visibilitye
     * @private
     */
    _toggleVisible: function(val)
    {
        var i,
            shapes = this._shapes,
            visibility = val ? "visible" : "hidden";
        if(shapes)
        {
            for(i in shapes)
            {
                if(shapes.hasOwnProperty(i))
                {
                    shapes[i].set("visible", val);
                }
            }
        }
        if(this._node)
        {
            this._node.style.visibility = visibility;
        }
        if(this._node)
        {
            this._node.style.visibility = visibility;
        }
    },

/**
     * Sets the size of the graphics object.
     *
     * @method setSize
     * @param w {Number} width to set for the instance.
     * @param h {Number} height to set for the instance.
     */
    setSize: function(w, h) {
        w = Math.round(w);
        h = Math.round(h);
        this._node.style.width = w + 'px';
        this._node.style.height = h + 'px';
    },

/**
     * Sets the positon of the graphics object.
     *
     * @method setPosition
     * @param {Number} x x-coordinate for the object.
     * @param {Number} y y-coordinate for the object.
     */
    setPosition: function(x, y)
    {
        x = Math.round(x);
        y = Math.round(y);
        this._node.style.left = x + "px";
        this._node.style.top = y + "px";
    },

/**
 * Creates a group element
 *
 * @method _createGraphic
 * @private
 */
 _createGraphic: function() {
 var group = DOCUMENT.createElement(
 '<group xmlns="urn:schemas-microsft.com:vml"' +
 ' style="behavior:url(#default#VML);padding:0px 0px 0px 0px;display:block;position:absolute;top:0px;left:0px;zoom:1;"' +
 '/>'
 );
 return group;
 },

/**
 * Creates a graphic node
 *
 * @method _createGraphicNode
 * @param {String} type node type to create
 * @param {String} pe specified pointer-events value
 * @return HTMLElement
 * @private
 */
 _createGraphicNode: function(type)
 {
 return DOCUMENT.createElement(
 '<' +
 type +
 ' xmlns="urn:schemas-microsft.com:vml"' +
 ' style="behavior:url(#default#VML);display:inline-block;zoom:1;"' +
 '/>'
 );

/**
     * Returns a shape based on the id of its dom node.
     *
     * @method getShapeById
     * @param {String} id Dom id of the shape's node attribute.
     * @return Shape
     */
    getShapeById: function(id)
    {
        return this._shapes[id];
    },

/**
     * Returns a shape class. Used by `addShape`.
     *
     * @method _getShapeClass
     * @param {Shape | String} val Indicates which shape class.
     * @return Function
     * @private
     */
    _getShapeClass: function(val)
    {
        var shape = this._shapeClass[val];
        if(shape)
        {
            return shape;
        }
        return val;
    },

/**
     * Look up for shape classes. Used by `addShape` to retrieve a class for instantiation.
     *
     * @property _shapeClass
     * @type Object
     * @private
     */
    _shapeClass: {
        circle: Y.VMLCircle,
        rect: Y.VMLRect,
        path: Y.VMLPath,
        ellipse: Y.VMLEllipse,
        pieslice: Y.VMLPieSlice
    },

/**
	 * Allows for creating multiple shapes in order to batch appending and redraw operations.
	 *
	 * @method batch
	 * @param {Function} method Method to execute.
	 */
    batch: function(method)
    {
        var autoDraw = this.get("autoDraw");
        this.set("autoDraw", false);
        method.apply();
        this.set("autoDraw", autoDraw);
    },

/**
     * Returns a document fragment to for attaching shapes.
     *
     * @method _getDocFrag
     * @return DocumentFragment
     * @private
     */
    _getDocFrag: function()
    {
        if(!this._frag)
        {
            this._frag = DOCUMENT.createDocumentFragment();
        }
        return this._frag;
    },

/**
 * Adds a shape to the redraw queue and calculates the contentBounds.
 *
 * @method addToRedrawQueue
 * @param shape {VMLShape}
 * @protected
 */
 addToRedrawQueue: function(shape)
 {
 var shapeBox,
 box;
 this._shapes[shape.get("id")] = shape;
 if(!this.get("resizeDown"))
 {
 shapeBox = shape.getBounds();
 box = this._contentBounds;
 box.left = box.left < shapeBox.left ? box.left : shapeBox.left;
 box.top = box.top < shapeBox.top ? box.top : shapeBox.top;
 box.right = box.right > shapeBox.right ? box.right : shapeBox.right;
 box.bottom = box.bottom > shapeBox.bottom ? box.bottom : shapeBox.bottom;
 box.width = box.right - box.left;
 box.height = box.bottom - box.top;
 this._contentBounds = box;
 }
 if(this.get("autoDraw"))
 {
 this._redraw();
 }
 },

/**
     * Redraws all shapes.
     *
     * @method _redraw
     * @private
     */
    _redraw: function()
    {
        var autoSize = this.get("autoSize"),
            preserveAspectRatio,
            node = this.parentNode,
            nodeWidth = parseFloat(Y.DOM.getComputedStyle(node, "width")),
            nodeHeight = parseFloat(Y.DOM.getComputedStyle(node, "height")),
            xCoordOrigin = 0,
            yCoordOrigin = 0,
            box = this.get("resizeDown") ? this._getUpdatedContentBounds() : this._contentBounds,
            left = box.left,
            right = box.right,
            top = box.top,
            bottom = box.bottom,
            contentWidth = right - left,
            contentHeight = bottom - top,
            aspectRatio,
            xCoordSize,
            yCoordSize,
            scaledWidth,
            scaledHeight,
            visible = this.get("visible");
        this._node.style.visibility = "hidden";
        if(autoSize)
        {
            if(autoSize === "sizeContentToGraphic")
            {
                preserveAspectRatio = this.get("preserveAspectRatio");
                if(preserveAspectRatio === "none" || contentWidth/contentHeight === nodeWidth/nodeHeight)
                {
                    xCoordOrigin = left;
                    yCoordOrigin = top;
                    xCoordSize = contentWidth;
                    yCoordSize = contentHeight;
                }
                else
                {
                    if(contentWidth * nodeHeight/contentHeight > nodeWidth)
                    {
                        aspectRatio = nodeHeight/nodeWidth;
                        xCoordSize = contentWidth;
                        yCoordSize = contentWidth * aspectRatio;
                        scaledHeight = (nodeWidth * (contentHeight/contentWidth)) * (yCoordSize/nodeHeight);
                        yCoordOrigin = this._calculateCoordOrigin(preserveAspectRatio.slice(5).toLowerCase(), scaledHeight, yCoordSize);
                        yCoordOrigin = top + yCoordOrigin;
                        xCoordOrigin = left;
                    }
                    else
                    {
                        aspectRatio = nodeWidth/nodeHeight;
                        xCoordSize = contentHeight * aspectRatio;
                        yCoordSize = contentHeight;
                        scaledWidth = (nodeHeight * (contentWidth/contentHeight)) * (xCoordSize/nodeWidth);
                        xCoordOrigin = this._calculateCoordOrigin(preserveAspectRatio.slice(1, 4).toLowerCase(), scaledWidth, xCoordSize);
                        xCoordOrigin = xCoordOrigin + left;
                        yCoordOrigin = top;
                    }
                }
                this._node.style.width = nodeWidth + "px";
                this._node.style.height = nodeHeight + "px";
                this._node.coordOrigin = xCoordOrigin + ", " + yCoordOrigin;
            }
            else
            {
                xCoordSize = contentWidth;
                yCoordSize = contentHeight;
                this._node.style.width = contentWidth + "px";
                this._node.style.height = contentHeight + "px";
                this._state.width = contentWidth;
                this._state.height =  contentHeight;

}
            this._node.coordSize = xCoordSize + ", " + yCoordSize;
        }
        else
        {
            this._node.style.width = nodeWidth + "px";
            this._node.style.height = nodeHeight + "px";
            this._node.coordSize = nodeWidth + ", " + nodeHeight;
        }
        if(this._frag)
        {
            this._node.appendChild(this._frag);
            this._frag = null;
        }
        if(visible)
        {
            this._node.style.visibility = "visible";
        }
    },

/**
 * Determines the value for either an x or y coordinate to be used for the <code>coordOrigin</code> of the Graphic.
 *
 * @method _calculateCoordOrigin
 * @param {String} position The position for placement. Possible values are min, mid and max.
 * @param {Number} size The total scaled size of the content.
 * @param {Number} coordsSize The coordsSize for the Graphic.
 * @return Number
 * @private
 */
 _calculateCoordOrigin: function(position, size, coordsSize)
 {
 var coord;
 switch(position)
 {
 case "min" :
 coord = 0;
 break;
 case "mid" :
 coord = (size - coordsSize)/2;
 break;
 case "max" :
 coord = (size - coordsSize);
 break;
 }
 return coord;
 },

/**
     * Recalculates and returns the `contentBounds` for the `Graphic` instance.
     *
     * @method _getUpdatedContentBounds
     * @return {Object}
     * @private
     */
    _getUpdatedContentBounds: function()
    {
        var bounds,
            i,
            shape,
            queue = this._shapes,
            box = {};
        for(i in queue)
        {
            if(queue.hasOwnProperty(i))
            {
                shape = queue[i];
                bounds = shape.getBounds();
                box.left = Y_LANG.isNumber(box.left) ? Math.min(box.left, bounds.left) : bounds.left;
                box.top = Y_LANG.isNumber(box.top) ? Math.min(box.top, bounds.top) : bounds.top;
                box.right = Y_LANG.isNumber(box.right) ? Math.max(box.right, bounds.right) : bounds.right;
                box.bottom = Y_LANG.isNumber(box.bottom) ? Math.max(box.bottom, bounds.bottom) : bounds.bottom;
            }
        }
        box.left = Y_LANG.isNumber(box.left) ? box.left : 0;
        box.top = Y_LANG.isNumber(box.top) ? box.top : 0;
        box.right = Y_LANG.isNumber(box.right) ? box.right : 0;
        box.bottom = Y_LANG.isNumber(box.bottom) ? box.bottom : 0;
        this._contentBounds = box;
        return box;
    },

/**
     * Inserts shape on the top of the tree.
     *
     * @method _toFront
     * @param {VMLShape} Shape to add.
     * @private
     */
    _toFront: function(shape)
    {
        var contentNode = this._node;
        if(shape instanceof Y.VMLShape)
        {
            shape = shape.get("node");
        }
        if(contentNode && shape)
        {
            contentNode.appendChild(shape);
        }
    },

/**
     * Inserts shape as the first child of the content node.
     *
     * @method _toBack
     * @param {VMLShape} Shape to add.
     * @private
     */
    _toBack: function(shape)
    {
        var contentNode = this._node,
            targetNode;
        if(shape instanceof Y.VMLShape)
        {
            shape = shape.get("node");
        }
        if(contentNode && shape)
        {
            targetNode = contentNode.firstChild;
            if(targetNode)
            {
                contentNode.insertBefore(shape, targetNode);
            }
            else
            {
                contentNode.appendChild(shape);
            }
        }
    }
});
Y.VMLGraphic = VMLGraphic;

}, '3.18.1', {"requires": ["graphics", "color-base"]});

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