Graphics drawing primitives and other support functions wrapped up in an add-on, C-based library for the Simple Direct Media (SDL) cross-platform API layer. SDL_gfx supports the original SDL1 library using software surfaces, and SDL2_gfx supports SDL2 using rendering functions.
SDL_gfx / SDL2_gfx
![SDL_gfx / SDL2_gfx SDL_gfx / SDL2_gfx](https://www.ferzkopp.net/wordpress/wp-content/uploads/2016/01/SDL_gfxPrimitives-640x350.jpg)