Thanks.. could you go a little slower please.
So if I ever to convert this image in gimp say, I'll have to set mode
to.. indexed?
How would i set the alpha to 0 on brown pixels?
Thanks
On Nov 5, 12:43 pm, "Brian Hook" <[EMAIL PROTECTED]> wrote:
> You're trying to do what's called "chromakeying", which I don't believe
> OpenGL supports. What you want to do is edit the BMP so that all the
> transparent pixels have their alpha values set to 0 and then save it out in
> a format that supports alpha (such as TGA). Alternatively you could load
> the BMP and do a manual substitution in code by converting to an RGBA format
> and then setting alpha to 0 where it's brown and 255 where it's not.
> Once you have alpha set, you then use the glBlendFunc to blend properly.
>
> On Wed, Nov 5, 2008 at 11:38 AM, Drozzy <[EMAIL PROTECTED]> wrote:
>
> > How would I display the sprite that has background color brown (let's
> > say) so that the brown pixels are not shown?
>
> > I've looked at the astraea that comes with pyglet example but it uses
> > sprites with white background...
> > Is it the glBlendFunc that I need to look into? Or do I have to use
> > textures?
> > Right now I just do:
> > pyglet.image.load('ogre_standing0000.bmp')
>
> > Thanks!
>
>
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