private static void putRGBcontig8bitCMYKMaptile(
TiffRgbaImage img, int[] raster, int rasterOffset, int rasterShift,
int x, int y, int width, int height, byte[] buffer, int offset, int bufferShift)
{
int samplesperpixel = img.samplesperpixel;
byte[] Map = img.Map;
bufferShift *= samplesperpixel;
while (height-- > 0)
{
for (x = width; x-- > 0; )
{
short k = (short)(255 - buffer[offset + 3]);
short r = (short)((k * (255 - buffer[offset])) / 255);
short g = (short)((k * (255 - buffer[offset + 1])) / 255);
short b = (short)((k * (255 - buffer[offset + 2])) / 255);
raster[rasterOffset] = PACK(Map[r], Map[g], Map[b]);
rasterOffset++;
offset += samplesperpixel;
}
offset += bufferShift;
rasterOffset += rasterShift;
}
}