RGB rgb = {1,0,0};
  set_color(1, &rgb);
  int col = palette_color[1];//returns 4!

I have run into a problem running this code, as you can see I set the first color in the palette to RGB(1,0,0) and then I retreive the value from the current palette.

The problem is that instead of returning 1 it returns 4!

Is there a bug here or did I do something wrong?

Sorry if this has been answered before and feel free to direct me to the manual as appropritate ...

IIRC the palette colors have 6-bit resolution, not full 8-bit so maybe that has something to do with it? If you extend the number one from 0...63 to 0...255, youll get 4.

Hmm... yes, using get_color() does seem to do the trick of retreiving the correct value(I assume it handles the 6 bit calculations on its own)...

But that is not viable, since the same happens in my actual program. I write to a 8bpp bmp with this color(#1) and then blit it to a 32bpp and get the pixel color, and also get the incorrect color returned (in this case 4)...

That's because it simply can't know what the value used to be. No matter what you pass between 1 and 4, you'll get 4 out - the number resolution is reduced.

Yeah, that's just the way palettes work. It's not a bug and you did nothing wrong. Palette colours are taken from a 6 bit colour space (in each component) so rgb = {1, 0, 0} is actually the same as makecol(4,0,0) in 32bpp.

I see, thanks!

I just ended up writing directly to the palette_color and not using the set_color() function at all...

...you wouldn't happen to be Siege_Lord of Clan EotA, would you?

Edit: I just realized that probably should've been a PM. Waste of server space on me.