SDL_gfx: SDL_gfx Library. SDL_gfx: SDL_gfx: SDL graphics drawing primitives and other support functions. The SDL_gfx: SDL_gfx library evolved out of the SDL_gfxPrimitives code which SDL_gfx: provided basic drawing routines such as lines, circles or polygons SDL_gfx: and SDL_rotozoom which implemented a interpolating rotozoomer for SDL_gfx: SDL surfaces. SDL_gfx: SDL_gfx: homepage: http://www.ferzkopp.net/Software/SDL_gfx-2.0/ SDL_gfx: SDL_gfx: