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@menu
* Basics:: Initialization and other basic things.
* Window Management:: Working with the window system.
* Input:: Keyboard, mouse, joystick input.
* Events:: Asynchronous event handling.
* Surfaces:: Software rendering.
* Rendering:: Hardware accelerated rendering.
* Images:: Loading and saving images.
* Sound:: Sound effects and music.
* Fonts:: Truetype and bitmap font rendering.
@end menu
@node Basics
@section Basics
@example
(use-modules (sdl2))
@end example
@deffn {Scheme Procedure} sdl-init [@var{subsystems}]
Initialize the SDL library. This must be called before using any
other SDL procedure.
@var{subsystems} is an optional list of symbols that specifies the
subsystems to initialize. All subsystems are initialized by default.
The possible flags are @code{timer}, @code{audio}, @code{video},
@code{haptic}, @code{game-controller}, and @code{events}.
@end deffn
@deffn {Scheme Procedure} sdl-quit
Quit all activated SDL subsystems. This procedure should be called
upon all exit conditions.
@end deffn
@deffn {Scheme Procedure} sdl-version
Return a three element list containing the major, minor, and patch
version of the linked SDL library.
@end deffn
@deffn {Scheme Procedure} sdl-ticks
Return the number of milliseconds since the SDL library was
initialized.
@end deffn
@node Window Management
@section Window Management
@menu
* Windows:: Window manipulation.
* OpenGL:: OpenGL contexts.
@end menu
@example
(use-modules (sdl2 video))
@end example
@node Windows
@subsection Windows
@node OpenGL
@subsection OpenGL
@node Input
@section Input
@menu
* Keyboard:: Keyboard input.
* Mouse:: Mouse input.
* Joysticks:: Joystick input.
* Game Controllers:: Game controller input.
@end menu
@node Keyboard
@subsection Keyboard
@node Mouse
@subsection Mouse
@node Joysticks
@subsection Joysticks
@example
(use-modules (sdl2 input joystick))
@end example
@node Game Controllers
@subsection Game Controllers
@example
(use-modules (sdl2 input game-controller))
@end example
@node Events
@section Events
@example
(use-modules (sdl2 events))
@end example
@node Surfaces
@section Surfaces
@example
(use-modules (sdl2 input surface))
@end example
@node Rendering
@section Rendering
@example
(use-modules (sdl2 input render))
@end example
@node Images
@section Images
@example
(use-modules (sdl2 input image))
@end example
@node Sound
@section Sound
@example
(use-modules (sdl2 input mixer))
@end example
@node Fonts
@section Fonts
@example
(use-modules (sdl2 input ttf))
@end example
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