Source: core/graphics/GraphicsData.js

/**
 * 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.
 */
function GraphicsData(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 colour
     */
    this.fill = fill;

    /*
     * @member {PIXI.Circle|PIXI.Rectangle|PIXI.Ellipse|PIXI.Line|PIXI.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;
}

GraphicsData.prototype.constructor = GraphicsData;
module.exports = GraphicsData;

/**
 * Creates a new GraphicsData object with the same values as this one.
 *
 * @return {PIXI.GraphicsData}
 */
GraphicsData.prototype.clone = function ()
{
    return new GraphicsData(
        this.lineWidth,
        this.lineColor,
        this.lineAlpha,
        this.fillColor,
        this.fillAlpha,
        this.fill,
        this.shape
    );
};

/**
 * Destroys the Graphics data.
 */
GraphicsData.prototype.destroy = function () {
    this.shape = null;
};