Ivan Franco wrote:

ok, I was being dumb.

So I converted back to rgba with [pix_grey]->[pix_rgba] . With this I

use [pix_2grey] for such things, as it will stay in the current colourspace and just lose the colour-information -> less processing power than converting to greyscale and then converting back to rgba

...

3. if you get a warning "image is not a power-of-2" when loading, you

can safely ignore it

Maybe it's time to remove it?

actually it has been removed a time ago. probably you are using an old version of Gem ? try getting release 0.90 from http://gem.iem.at (of if you prefer from sourceforge) there is no windows-installer (yet); but you could just get the gem-bin and replace the existing Gem.dll by the one that is in the zip-file...

mfg.a.sdr IOhannes