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
SDL_GetError -- Get SDL error string
SDL_envvars -- SDL environment variables

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