Source: src/pixi/primitives/GraphicsData.js

/**
 * A GraphicsData object.
 * 
 * @class GraphicsData
 * @constructor
PIXI.GraphicsData = function(lineWidth, lineColor, lineAlpha, fillColor, fillAlpha, fill, shape)
{
    this.lineWidth = lineWidth;
    this.lineColor = lineColor;
    this.lineAlpha = lineAlpha;
    this._lineTint = lineColor;

    this.fillColor = fillColor;
    this.fillAlpha = fillAlpha;
    this._fillTint = fillColor;
    this.fill = fill;

    this.shape = shape;
    this.type = shape.type;
};
 */

/**
 * A GraphicsData object.
 *
 * @class
 * @memberof PIXI
 * @param lineWidth {number} the width of the line to draw
 * @param lineColor {number} the color of the line to draw
 * @param lineAlpha {number} the alpha of the line to draw
 * @param fillColor {number} the color of the fill
 * @param fillAlpha {number} the alpha of the fill
 * @param fill      {boolean} whether or not the shape is filled with a colour
 * @param shape     {Circle|Rectangle|Ellipse|Line|Polygon} The shape object to draw.
 */

PIXI.GraphicsData = function(lineWidth, lineColor, lineAlpha, fillColor, fillAlpha, fill, shape) {

    /*
     * @member {number} the width of the line to draw
     */
    this.lineWidth = lineWidth;

    /*
     * @member {number} the color of the line to draw
     */
    this.lineColor = lineColor;

    /*
     * @member {number} the alpha of the line to draw
     */
    this.lineAlpha = lineAlpha;

    /*
     * @member {number} cached tint of the line to draw
     */
    this._lineTint = lineColor;

    /*
     * @member {number} the color of the fill
     */
    this.fillColor = fillColor;

    /*
     * @member {number} the alpha of the fill
     */
    this.fillAlpha = fillAlpha;

    /*
     * @member {number} cached tint of the fill
     */
    this._fillTint = fillColor;

    /*
     * @member {boolean} whether or not the shape is filled with a color
     */
    this.fill = fill;

    /*
     * @member {Circle|Rectangle|Ellipse|Line|Polygon} The shape object to draw.
     */
    this.shape = shape;

    /*
     * @member {number} The type of the shape, see the Const.Shapes file for all the existing types,
     */
    this.type = shape.type;

};

PIXI.GraphicsData.prototype.constructor = PIXI.GraphicsData;

/**
 * Creates a new GraphicsData object with the same values as this one.
 *
 * @return {GraphicsData}
 */
PIXI.GraphicsData.prototype.clone = function() {

    return new GraphicsData(
        this.lineWidth,
        this.lineColor,
        this.lineAlpha,
        this.fillColor,
        this.fillAlpha,
        this.fill,
        this.shape
    );

};