public static extern byte *IrtImgDitherImage(IrtImgPixelStruct *Image, int XSize, int YSize, int DitherSize, byte ErrorDiffusion);
public static extern IrtImgPixelStruct *IrtImgNegateImage(IrtImgPixelStruct *InImage, int MaxX, int MaxY);
public static extern IrtImgPixelStruct *IrtImgFlipVerticallyImage(IrtImgPixelStruct *Img, int MaxX, int MaxY, int Alpha);
public static extern void IrtImgWritePutLine(byte *Alpha, IrtImgPixelStruct *Pixels);