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1 Introduction

The (sdl *) modules are an interface to the SDL (Simple Direct Media Layer) library. The goal is to provide both a clean and direct interface to the lowest level SDL, while extending with higher level concepts where useful, such as default arguments and functional-style application of graphics routines. Several SDL add-on libraries have been wrapped and included with Guile-SDL, including SDL_image (for loading multiple image formats), SDL_ttf (for rendering true type fonts), SDL_mixer (for playing/mixing different audio formats), and SDL_rotozoom (for rotating and scaling images). In addition, some low-level 2D graphics primitives have been provided.