public static Graphics FromImage(Image image)
{
if (image == null)
{
throw new ArgumentNullException("image");
}
IntPtr native = LibIGraph.GetGraphicsFromImage(image.native);
if (native == IntPtr.Zero)
{
throw new ArgumentException("Failed to get Graphics from given Image", "image");
}
return(new Graphics(image.Width, image.Height, image.PixelFormat, native));
}