public override byte[] Decode(byte[] input, int offset, int width, int height, VrPixelCodec PixelCodec) { byte[] output = new byte[width * height * 4]; int StartOffset = offset; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) { byte[] palette = PixelCodec.GetPixelPalette(input, StartOffset + GetSwizzledOffset(x, y, width, height, GetBpp(PixelCodec))); output[(((y * width) + x) * 4) + 3] = palette[3]; output[(((y * width) + x) * 4) + 2] = palette[2]; output[(((y * width) + x) * 4) + 1] = palette[1]; output[(((y * width) + x) * 4) + 0] = palette[0]; offset += (GetBpp(PixelCodec) / 8); } } return output; }
public override byte[] Decode(byte[] input, int offset, int width, int height, VrPixelCodec PixelCodec) { byte[] output = new byte[width * height * 4]; int ChunkSize = Math.Min(width, height); TwiddledMap TwiddledMap = new TwiddledMap(ChunkSize, GetBpp(PixelCodec)); for (int y = 0; y < height; y += ChunkSize) { for (int x = 0; x < width; x += ChunkSize) { int StartOffset = offset; for (int y2 = 0; y2 < ChunkSize; y2++) { for (int x2 = 0; x2 < ChunkSize; x2++) { byte[] palette = PixelCodec.GetPixelPalette(input, StartOffset + TwiddledMap.GetTwiddledOffset(x2, y2)); output[((((y + y2) * width) + (x + x2)) * 4) + 3] = palette[3]; output[((((y + y2) * width) + (x + x2)) * 4) + 2] = palette[2]; output[((((y + y2) * width) + (x + x2)) * 4) + 1] = palette[1]; output[((((y + y2) * width) + (x + x2)) * 4) + 0] = palette[0]; offset += (GetBpp(PixelCodec) / 8); } } } } return output; }