readonly int pixelCount; // The total number of pixels (w x h) assigned in SetSize()
/// <summary>
/// Creates a new Framebuffer with (width x height) pixels.
/// </summary>
/// <param name="width">The width in pixels of the remote desktop.</param>
/// <param name="height">The height in pixels of the remote desktop.</param>
public Framebuffer(int width, int height)
{
infos = new FrameBufferInfos(width, height);
// Cache the total size of the pixel array and initialize
pixelCount = width * height;
pixels = new int[pixelCount];
}
/// <summary>
/// Given the dimensions and 16-byte PIXEL_FORMAT record from the VNC Host, deserialize this into a Framebuffer object.
/// </summary>
/// <param name="b">The 16-byte PIXEL_FORMAT record.</param>
/// <param name="width">The width in pixels of the remote desktop.</param>
/// <param name="height">The height in pixles of the remote desktop.</param>
/// <returns>Returns a Framebuffer object matching the specification of b[].</returns>
public static FrameBufferInfos FromPixelFormat(byte[] b, int width, int height)
{
if (b.Length != 16)
{
throw new ArgumentException("Length of b must be 16 bytes.");
}
FrameBufferInfos infos = new FrameBufferInfos(width, height);
infos.BitsPerPixel = (int)b[0];
infos.Depth = (int)b[1];
infos.BigEndian = (b[2] != 0);
infos.TrueColour = (b[3] != 0);
infos.RedMax = (int)(b[5] | b[4] << 8);
infos.GreenMax = (int)(b[7] | b[6] << 8);
infos.BlueMax = (int)(b[9] | b[8] << 8);
infos.RedShift = (int)b[10];
infos.GreenShift = (int)b[11];
infos.BlueShift = (int)b[12];
// Last 3 bytes are padding, ignore
return(infos);
}
