Draws a RawBitmap into the RawBitmap.
DrawBitmap(This method supports the following features:
8 bit per channel and 16 bit per channel images.
RGB, Gray and CMYK color spaces.
Alpha channels.
NOTE:
You cannot draw 8 bit per channel Bitmap into 16 bit per channel Bitmap or wise versa.
You cannot mix color spaces, like drawing CMYK into RGB bitmap. (Exception to this is that you can draw Gray into RGB).
When failing for the above-mentioned reasons the image is left unchanged.