peppe wrote:

At least, every scanline should be 32bit aligned!

But what I wanted to say is that GM/IM always convert internally pixels packet representation on 32/64 bits per pixels. That’s all :-)

I believe the IM/GM guys and the other graphics library folks do know what they are doing. And in doubt, the surely are of more wisdom in that topic than we all together.

This discussion is becoming too academic for my taste and I’m out now. Happy bit squeezing to everyone who wants to save some three bytes on his 8 GB workstation…