How do you display 2d .gifs in opengl?

Started by
0 comments, last by haegarr 16 years, 6 months ago
Hello, I have finally set opengl up for 2D display but cant figure out the standard way to move a gif image around the screen. Any links to a tutorial or even just the opengl commands used would be great. Thanks :)
Advertisement
You have 2 options: either using the pixel functions like glRasterPos, glDrawPixels, glCopyPixels, ..., or else render a textured quad (yes, also for 2D possible), where the GIF is 1st to be converted into a texture, of course.

In the former case, glRasterPos defines the origin for e.g. glDrawPixels. In the latter case, the MODELVIEW matrix and quad's vertex co-ordinates define the position. What method are you preferring?

This topic is closed to new replies.

Advertisement