public static byte[] ToPixelData <T>(this Image image, TextureFormat fmt)
where T : unmanaged, IPixel <T>
{
var img = image.CloneAs <T>();
var stride = fmt.Stride(img.Width);
var bytes = new byte[fmt.Size(img.Width, img.Height)];
for (int i = 0; i < img.Height; i++)
{
MemoryMarshal.AsBytes(img.GetPixelRowSpan(i))
.CopyTo(bytes.AsSpan(stride * i, stride));
}
return(bytes);
}
public static int Size(this TextureFormat fmt, int width, int height)
{
return(fmt.Stride(width) * height);
}
