public ImageFilter(Bitmap Img)
{
if (Img.PixelFormat != System.Drawing.Imaging.PixelFormat.Format24bppRgb && Img.PixelFormat != System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{
this.Img = ImageArithmetic.toGray(Img);
}
else
{
this.Img = Img;
}
}