//Decompress byte array into aBitmap with help of width, length and bitdepth public static AccessibleBitmapBytewise Decompress(byte[] inBytes, AccessibleBitmapBytewise inBitmap, out byte[] restBytes, int byteLayer) { //Create a AccessibleBitmapbitwise class from the incoming AccessibleBitmapbytewise class, for better access to individual bits AccessibleBitmapBitwise outputBitmap = new AccessibleBitmapBitwise(inBitmap); //Create a BitStreamFIFO class from the incoming bytes, to feed into the decompression algorithms BitStreamFIFO bitStream = new BitStreamFIFO(inBytes); //Loop trough all bit layers of current byte layer for (int i = byteLayer * 8; i < byteLayer * 8 + 8; i++) { //Read compression type as a 3-bit integer int compressionType = bitStream.ReadInt(3); //Decompress using the correct compression type switch (compressionType) { //Uncompressed case 0: outputBitmap = UncompressedBitmapCompressorBitwise.Decompress(bitStream, outputBitmap, out bitStream, i); break; //Bit channel compressed as 8-bit integers case 1: outputBitmap = ByteArrayCompressorBitwise.Decompress(bitStream, outputBitmap, out bitStream, i); break; //Run length encoding case 2: outputBitmap = RunLengthEncodingCompressorBitwise.Decompress(bitStream, outputBitmap, out bitStream, i); break; //Run length encoding vertical case 3: outputBitmap = RunLengthEncodingCompressorVerticalBitwise.Decompress(bitStream, outputBitmap, out bitStream, i); break; //To add a decompression type add a new case like the existing ones //Unknown compression type: error default: throw new Exception("Unexisting compression type"); } } //Remove the bytes used for this channel from the incoming byte array and pass the rest of them to the next channel restBytes = new byte[bitStream.Length / 8]; Array.Copy(inBytes, inBytes.Length - (bitStream.Length / 8), restBytes, 0, restBytes.Length); //Return the modified bitmap as AccessibleBitmapbytewise so the rest of the channels can be added to complete it return(new AccessibleBitmapBytewise(outputBitmap.GetAccessibleBitmap())); }