private WritableRaster CreateDCMraster()
{
WritableRaster wr;
DirectColorModel dcm = (DirectColorModel)Model;
bool hasAlpha = Model.HasAlpha();
int[] bandMasks = new int[3 + (hasAlpha ? 1 : 0)];
bandMasks[0] = dcm.RedMask;
bandMasks[1] = dcm.GreenMask;
bandMasks[2] = dcm.BlueMask;
if (hasAlpha)
{
bandMasks[3] = dcm.AlphaMask;
}
DataBufferInt db = new DataBufferInt(IntPixels, Width * Height);
wr = Raster.CreatePackedRaster(db, Width, Height, Width, bandMasks, null);
return(wr);
}