/**
 * Color comparison for LimeJS shapes
 * Usage:
 *   if (sprite.getFill().equals('#c00')) {}
 *   if (sprite.getFill().equals('rgb(100, 0, 0)')) {}
 *   if (sprite.getFill().equals(othersprite.getFill())) {}
 */
lime.fill.Color.prototype.equals = function (other) {
  other = lime.fill.parse(other);
  return this.r == other.r && this.g == other.g && this.b == other.b && this.a == other.a;
};