private static void putRGBUAcontig8bittile(
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;
bufferShift *= samplesperpixel;
while (height-- > 0)
{
for (x = width; x-- > 0; )
{
int a = buffer[offset + 3];
int r = (buffer[offset] * a + 127) / 255;
int g = (buffer[offset + 1] * a + 127) / 255;
int b = (buffer[offset + 2] * a + 127) / 255;
raster[rasterOffset] = PACK4(r, g, b, a);
rasterOffset++;
offset += samplesperpixel;
}
rasterOffset += rasterShift;
offset += bufferShift;
}
}