public List <byte> LoadImageData(Block <byte> yChannel, Block <byte> cbChannel, Block <byte> crChannel)
{
List <byte> rawImageData = new List <byte>();
for (int j = 0; j < yChannel.GetHeight(); j++)
{
for (int i = 0; i < yChannel.GetWidth(); i++)
{
Color rgb = ColourConverter.YCCToRGB(yChannel.GetCell(i, j), cbChannel.GetCell(i, j), crChannel.GetCell(i, j));
rawImageData.Add(rgb.B);
rawImageData.Add(rgb.G);
rawImageData.Add(rgb.R);
}
}
return(rawImageData);
}
public List <byte> Compress()
{
List <Block <short> > yccChannels = ColourConverter.BitmapRGBToYCC(this.bitmap, 8);
Block <short> cbCulled = yccChannels[1].CullBlockToBlockFactor(2, 8);
Block <short> crCulled = yccChannels[2].CullBlockToBlockFactor(2, 8);
List <Block <short> > yBlocks = DCT.DCTChannel(yccChannels[0], 8);
List <Block <short> > cbBlocks = DCT.DCTChannel(cbCulled, 8);
List <Block <short> > crBlocks = DCT.DCTChannel(crCulled, 8);
Quantizer quantizer = new Quantizer();
List <byte> yStream = RunLength.RLE(yBlocks, quantizer.GetLumiQT());
List <byte> cbStream = RunLength.RLE(cbBlocks, quantizer.GetChromaQT());
List <byte> crStream = RunLength.RLE(crBlocks, quantizer.GetChromaQT());
yStream.AddRange(cbStream);
yStream.AddRange(crStream);
return(yStream);
}
