Full description
The SDL2_gfx library provides the basic drawing functions such
		as lines, circles or polygons provided by SDL_gfx on SDL2 against
		renderers of SDL2.
		The current components of the SDL2_gfx library are:
		* Graphic Primitives (SDL_gfxPrimitives.h, SDL_gfxPrimitives.c)
		* Surface Rotozoomer (SDL_rotozoom.h, SDL_rotozoom.c)
		* Framerate control (SDL_framerate.h, SDL_framerate.c)
		* MMX image filters (SDL_imageFilter.h, SDL_imageFilter.c)
		* Build-in 8x8 Font (SDL_gfxPrimitives_font.h)