namespace ScreenConnect;

public class WebColorScreenDecoder(IMultiCallCoder coder) : SimpleScreenDecoder(8, 0, coder)
{
	private readonly byte[] map = new byte[6] { 0, 51, 102, 153, 204, 255 };

	protected unsafe override void Process(byte* data, int width, int height, int stride, byte* workingBuffer, int rowLength, bool hasPadding)
	{
		fixed (byte* ptr = map)
		{
			int num = 0;
			while (num < height)
			{
				ReadRowData(workingBuffer, rowLength, num == height - 1);
				byte* ptr2 = workingBuffer;
				int* ptr3 = (int*)data;
				for (int i = 0; i < width; i++)
				{
					byte b = *(ptr2++);
					*(ptr3++) = -16777216 | ptr[b % 6] | (ptr[b % 36 / 6] << 8) | (ptr[b / 36] << 16);
				}
				num++;
				data += stride;
			}
		}
	}
}