rmask, gmask, bmask, amask,
rmask, gmask, bmask, 0,
  public DirectColorModel(int pixelBits,			  int rmask, int gmask, int bmask, int amask)  {    this(ColorSpace.getInstance(ColorSpace.CS_sRGB), pixelBits,	 rmask, gmask, bmask, amask,	 false, // not alpha premultiplied	 Buffers.smallestAppropriateTransferType(pixelBits) // find type	 );  }