SDL_gfx: SDL graphics drawing primitives and other support functions SDL_gfx: SDL_gfx: The SDL_gfx library evolved out of the SDL_gfxPrimitives code SDL_gfx: which provided basic drawing routines such as lines, circles or SDL_gfx: polygons and SDL_rotozoom which implemented a interpolating SDL_gfx: rotozoomer for SDL surfaces. SDL_gfx: SDL_gfx: SDL_gfx: SDL_gfx: SDL_gfx: