| FPSmanager | Structure holding the state and timing information of the framerate controller | 
| SDL_gfxBlitInfo | The structure passed to the low level blit functions | 
| SDL_gfxBresenhamIterator | The structure passed to the internal Bresenham iterator | 
| SDL_gfxMurphyIterator | The structure passed to the internal Murphy iterator | 
| tColorRGBA | A 32 bit RGBA pixel | 
| tColorY | A 8bit Y/palette pixel | 
 1.6.2
 1.6.2