function UIColor(type, antialiasLevel, color)
{
    this.type = type;
    this.antialiasLevel = antialiasLevel;
    this.color = color;
}
@class UIColor
Stores color information, including the type, anti-alias level, and specific color
values in a color object of an appropriate type.

@param type          The color type, 1 for "rgb" and 2 for "gradient".
                The supplied color object must correspond to this type.
@param antialiasLevel    The anti-alias level constant.
@param color         A \c #RGBColor or \c #GradientColor object containing specific color information.

@return A new \c UIColor object.