/// <summary>
/// another bad one a made for MS-Dos in 1998
/// </summary>
public static void Tv3x(IPixelWorker <sPixel> worker)
{
var pixel = worker.SourceP0P0();
worker.TargetP0P0(new sPixel(pixel.Red, 0, 0, pixel.Alpha));
worker.TargetP1P0(new sPixel(0, pixel.Green, 0, pixel.Alpha));
worker.TargetP2P0(new sPixel(0, 0, pixel.Blue, pixel.Alpha));
if ((worker.SourceX() & 1) == 0)
{
worker.TargetP0P1(new sPixel(pixel.Red, 0, 0, pixel.Alpha));
if (worker.SourceY() > 0)
{
worker.TargetP1M1(new sPixel(0, pixel.Green, 0, pixel.Alpha));
}
worker.TargetP2P1(new sPixel(0, 0, pixel.Blue, pixel.Alpha));
}
else
{
if (worker.SourceY() > 0)
{
worker.TargetP0M1(new sPixel(pixel.Red, 0, 0, pixel.Alpha));
}
worker.TargetP1P1(new sPixel(0, pixel.Green, 0, pixel.Alpha));
if (worker.SourceY() > 0)
{
worker.TargetP2M1(new sPixel(0, 0, pixel.Blue, pixel.Alpha));
}
}
}