Table of Contents

SDL_Init — Initializes SDL
SDL_InitSubSystem — Initialize subsystems
SDL_QuitSubSystem — Shut down a subsystem
SDL_Quit — Shut down SDL
SDL_WasInit — Check which subsystems are initialized

6. Video

SDL_GetVideoSurface — returns a pointer to the current display surface
SDL_GetVideoInfo — returns a pointer to information about the video hardware
SDL_VideoDriverName — Obtain the name of the video driver
SDL_ListModes — Returns a pointer to an array of available screen dimensions for the given format and video flags
SDL_VideoModeOK — Check to see if a particular video mode is supported.
SDL_SetVideoMode — Set up a video mode with the specified width, height and bits-per-pixel.
SDL_UpdateRect — Makes sure the given area is updated on the given screen.
SDL_UpdateRects — Makes sure the given list of rectangles is updated on the given screen.
SDL_Flip — Swaps screen buffers
SDL_SetColors — Sets a portion of the colormap for the given 8-bit surface.
SDL_SetPalette — Sets the colors in the palette of an 8-bit surface.
SDL_SetGamma — Sets the color gamma function for the display
SDL_GetGammaRamp — Gets the color gamma lookup tables for the display
SDL_SetGammaRamp — Sets the color gamma lookup tables for the display
SDL_MapRGB — Map a RGB color value to a pixel format.
SDL_MapRGBA — Map a RGBA color value to a pixel format.
SDL_GetRGB — Get RGB values from a pixel in the specified pixel format.
SDL_GetRGBA — Get RGBA values from a pixel in the specified pixel format.
SDL_CreateRGBSurface — Create an empty SDL_Surface
SDL_CreateRGBSurfaceFrom — Create an SDL_Surface from pixel data
SDL_FreeSurface — Frees (deletes) a SDL_Surface
SDL_LockSurface — Lock a surface for directly access.
SDL_UnlockSurface — Unlocks a previously locked surface.
SDL_LoadBMP — Load a Windows BMP file into an SDL_Surface.
SDL_SaveBMP — Save an SDL_Surface as a Windows BMP file.
SDL_SetColorKey — Sets the color key (transparent pixel) in a blittable surface and RLE acceleration.
SDL_SetAlpha — Adjust the alpha properties of a surface
SDL_SetClipRect — Sets the clipping rectangle for a surface.
SDL_GetClipRect — Gets the clipping rectangle for a surface.
SDL_ConvertSurface — Converts a surface to the same format as another surface.
SDL_BlitSurface — This performs a fast blit from the source surface to the destination surface.
SDL_FillRect — This function performs a fast fill of the given rectangle with some color
SDL_DisplayFormat — Convert a surface to the display format
SDL_DisplayFormatAlpha — Convert a surface to the display format
SDL_WarpMouse — Set the position of the mouse cursor.
SDL_CreateCursor — Creates a new mouse cursor.
SDL_FreeCursor — Frees a cursor created with SDL_CreateCursor.
SDL_SetCursor — Set the currently active mouse cursor.
SDL_GetCursor — Get the currently active mouse cursor.
SDL_ShowCursor — Toggle whether or not the cursor is shown on the screen.
SDL_GL_LoadLibrary — Specify an OpenGL library
SDL_GL_GetProcAddress — Get the address of a GL function
SDL_GL_GetAttribute — Get the value of a special SDL/OpenGL attribute
SDL_GL_SetAttribute — Set a special SDL/OpenGL attribute
SDL_GL_SwapBuffers — Swap OpenGL framebuffers/Update Display
SDL_CreateYUVOverlay — Create a YUV video overlay
SDL_LockYUVOverlay — Lock an overlay
SDL_UnlockYUVOverlay — Unlock an overlay
SDL_DisplayYUVOverlay — Blit the overlay to the display
SDL_FreeYUVOverlay — Free a YUV video overlay
SDL_GLattr — SDL GL Attributes
SDL_Rect — Defines a rectangular area
SDL_Color — Format independent color description
SDL_Palette — Color palette for 8-bit pixel formats
SDL_PixelFormat — Stores surface format information
SDL_Surface — Graphical Surface Structure
SDL_VideoInfo — Video Target information
SDL_Overlay — YUV video overlay

7. Window Management

SDL_WM_SetCaption — Sets the window tile and icon name.
SDL_WM_GetCaption — Gets the window title and icon name.
SDL_WM_SetIcon — Sets the icon for the display window.
SDL_WM_IconifyWindow — Iconify/Minimise the window
SDL_WM_ToggleFullScreen — Toggles fullscreen mode
SDL_WM_GrabInput — Grabs mouse and keyboard input.

8. Events

Introduction
SDL Event Structures.
Event Functions.

9. Joystick

SDL_NumJoysticks — Count available joysticks.
SDL_JoystickName — Get joystick name.
SDL_JoystickOpen — Opens a joystick for use.
SDL_JoystickOpened — Determine if a joystick has been opened
SDL_JoystickIndex — Get the index of an SDL_Joystick.
SDL_JoystickNumAxes — Get the number of joystick axes
SDL_JoystickNumBalls — Get the number of joystick trackballs
SDL_JoystickNumHats — Get the number of joystick hats
SDL_JoystickNumButtons — Get the number of joysitck buttons
SDL_JoystickUpdate — Updates the state of all joysticks
SDL_JoystickGetAxis — Get the current state of an axis
SDL_JoystickGetHat — Get the current state of a joystick hat
SDL_JoystickGetButton — Get the current state of a given button on a given joystick
SDL_JoystickGetBall — Get relative trackball motion
SDL_JoystickClose — Closes a previously opened joystick

10. Audio

SDL_AudioSpec — Audio Specification Structure
SDL_OpenAudio — Opens the audio device with the desired parameters.
SDL_PauseAudio — Pauses and unpauses the audio callback processing
SDL_GetAudioStatus — Get the current audio state
SDL_LoadWAV — Load a WAVE file
SDL_FreeWAV — Frees previously opened WAV data
SDL_AudioCVT — Audio Conversion Structure
SDL_BuildAudioCVT — Initializes a SDL_AudioCVT structure for conversion
SDL_ConvertAudio — Convert audio data to a desired audio format.
SDL_MixAudio — Mix audio data
SDL_LockAudio — Lock out the callback function
SDL_UnlockAudio — Unlock the callback function
SDL_CloseAudio — Shuts down audio processing and closes the audio device.

11. CD-ROM

SDL_CDNumDrives — Returns the number of CD-ROM drives on the system.
SDL_CDName — Returns a human-readable, system-dependent identifier for the CD-ROM.
SDL_CDOpen — Opens a CD-ROM drive for access.
SDL_CDStatus — Returns the current status of the given drive.
SDL_CDPlay — Play a CD
SDL_CDPlayTracks — Play the given CD track(s)
SDL_CDPause — Pauses a CDROM
SDL_CDResume — Resumes a CDROM
SDL_CDStop — Stops a CDROM
SDL_CDEject — Ejects a CDROM
SDL_CDClose — Closes a SDL_CD handle
SDL_CD — CDROM Drive Information
SDL_CDtrack — CD Track Information Structure

12. Multi-threaded Programming

SDL_CreateThread — Creates a new thread of execution that shares its parent's properties.
SDL_ThreadID — Get the 32-bit thread identifier for the current thread.
SDL_GetThreadID — Get the SDL thread ID of a SDL_Thread
SDL_WaitThread — Wait for a thread to finish.
SDL_KillThread — Gracelessly terminates the thread.
SDL_CreateMutex — Create a mutex
SDL_DestroyMutex — Destroy a mutex
SDL_mutexP — Lock a mutex
SDL_mutexV — Unlock a mutex
SDL_CreateSemaphore — Creates a new semaphore and assigns an initial value to it.
SDL_DestroySemaphore — Destroys a semaphore that was created by SDL_CreateSemaphore.
SDL_SemWait — Lock a semaphore and suspend the thread if the semaphore value is zero.
SDL_SemTryWait — Attempt to lock a semaphore but don't suspend the thread.
SDL_SemWaitTimeout — Lock a semaphore, but only wait up to a specified maximum time.
SDL_SemPost — Unlock a semaphore.
SDL_SemValue — Return the current value of a semaphore.
SDL_CreateCond — Create a condition variable
SDL_DestroyCond — Destroy a condition variable
SDL_CondSignal — Restart a thread wait on a condition variable
SDL_CondBroadcast — Restart all threads waiting on a condition variable
SDL_CondWait — Wait on a condition variable
SDL_CondWaitTimeout — Wait on a condition variable, with timeout

13. Time

SDL_GetTicks — Get the number of milliseconds since the SDL library initialization.
SDL_Delay — Wait a specified number of milliseconds before returning.
SDL_AddTimer — Add a timer which will call a callback after the specified number of milliseconds has elapsed.
SDL_RemoveTimer — Remove a timer which was added with SDL_AddTimer.
SDL_SetTimer — Set a callback to run after the specified number of milliseconds has elapsed.

List of Tables
8-1. SDL Keysym definitions
8-2. SDL modifier definitions

List of Examples
1-1. Initializing SDL
2-1. Initializing the Video Display
2-2. Initializing the Best Video Mode
2-3. Loading and Displaying a BMP File
2-4. getpixel()
2-5. putpixel()
2-6. Using putpixel()
2-7. Initializing SDL with OpenGL
2-8. SDL and OpenGL
3-1. Initializing SDL with Joystick Support
3-2. Querying the Number of Available Joysticks
3-3. Opening a Joystick
3-4. Joystick Axis Events
3-5. More Joystick Axis Events
3-6. Joystick Button Events
3-7. Joystick Ball Events
3-8. Joystick Hat Events
3-9. Querying Joystick Characteristics
3-10. Reading Keyboard Events
3-11. Interpreting Key Event Information
3-12. Proper Game Movement

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		SDL Guide