include/SDL_video.h
author Sam Lantinga <slouken@libsdl.org>
Thu, 10 Feb 2011 12:14:37 -0800
changeset 5244 762e40fb8e28
parent 5243 3a8a452b49f0
child 5246 58265e606e4e
permissions -rw-r--r--
Be explicit about what display you're querying. The default display is 0.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2010 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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/**
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 *  \file SDL_video.h
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 *  
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 *  Header file for SDL video functions.
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 */
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#ifndef _SDL_video_h
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#define _SDL_video_h
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#include "SDL_stdinc.h"
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#include "SDL_pixels.h"
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#include "SDL_rect.h"
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#include "SDL_surface.h"
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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extern "C" {
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/* *INDENT-ON* */
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#endif
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/**
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 *  \brief  The structure that defines a display mode
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 *  
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 *  \sa SDL_GetNumDisplayModes()
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 *  \sa SDL_GetDisplayMode()
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 *  \sa SDL_GetDesktopDisplayMode()
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 *  \sa SDL_GetCurrentDisplayMode()
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 *  \sa SDL_GetClosestDisplayMode()
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 *  \sa SDL_SetWindowDisplayMode()
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 *  \sa SDL_GetWindowDisplayMode()
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 */
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typedef struct
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{
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    Uint32 format;              /**< pixel format */
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    int w;                      /**< width */
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    int h;                      /**< height */
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    int refresh_rate;           /**< refresh rate (or zero for unspecified) */
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    void *driverdata;           /**< driver-specific data, initialize to 0 */
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} SDL_DisplayMode;
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/**
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 *  \brief The type used to identify a window
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 *  
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 *  \sa SDL_CreateWindow()
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 *  \sa SDL_CreateWindowFrom()
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 *  \sa SDL_DestroyWindow()
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 *  \sa SDL_GetWindowData()
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 *  \sa SDL_GetWindowFlags()
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 *  \sa SDL_GetWindowGrab()
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 *  \sa SDL_GetWindowPosition()
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 *  \sa SDL_GetWindowSize()
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 *  \sa SDL_GetWindowTitle()
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 *  \sa SDL_HideWindow()
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 *  \sa SDL_MaximizeWindow()
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 *  \sa SDL_MinimizeWindow()
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 *  \sa SDL_RaiseWindow()
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 *  \sa SDL_RestoreWindow()
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 *  \sa SDL_SetWindowData()
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 *  \sa SDL_SetWindowFullscreen()
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 *  \sa SDL_SetWindowGrab()
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 *  \sa SDL_SetWindowIcon()
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 *  \sa SDL_SetWindowPosition()
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 *  \sa SDL_SetWindowSize()
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 *  \sa SDL_SetWindowTitle()
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 *  \sa SDL_ShowWindow()
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 */
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typedef struct SDL_Window SDL_Window;
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/**
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 *  \brief The flags on a window
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 *  
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 *  \sa SDL_GetWindowFlags()
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 */
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typedef enum
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{
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    SDL_WINDOW_FULLSCREEN = 0x00000001,         /**< fullscreen window, implies borderless */
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    SDL_WINDOW_OPENGL = 0x00000002,             /**< window usable with OpenGL context */
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    SDL_WINDOW_SHOWN = 0x00000004,              /**< window is visible */
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    SDL_WINDOW_BORDERLESS = 0x00000008,         /**< no window decoration */
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    SDL_WINDOW_RESIZABLE = 0x00000010,          /**< window can be resized */
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    SDL_WINDOW_MINIMIZED = 0x00000020,          /**< window is minimized */
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    SDL_WINDOW_MAXIMIZED = 0x00000040,          /**< window is maximized */
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    SDL_WINDOW_INPUT_GRABBED = 0x00000100,      /**< window has grabbed input focus */
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    SDL_WINDOW_INPUT_FOCUS = 0x00000200,        /**< window has input focus */
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    SDL_WINDOW_MOUSE_FOCUS = 0x00000400,        /**< window has mouse focus */
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    SDL_WINDOW_FOREIGN = 0x00000800             /**< window not created by SDL */
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} SDL_WindowFlags;
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/**
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 *  \brief Used to indicate that you don't care what the window position is.
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 */
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#define SDL_WINDOWPOS_UNDEFINED 0x7FFFFFF
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/**
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 *  \brief Used to indicate that the window position should be centered.
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 */
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#define SDL_WINDOWPOS_CENTERED  0x7FFFFFE
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/**
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 *  \brief Event subtype for window events
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 */
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typedef enum
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{
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    SDL_WINDOWEVENT_NONE,           /**< Never used */
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    SDL_WINDOWEVENT_SHOWN,          /**< Window has been shown */
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    SDL_WINDOWEVENT_HIDDEN,         /**< Window has been hidden */
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    SDL_WINDOWEVENT_EXPOSED,        /**< Window has been exposed and should be 
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                                         redrawn */
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    SDL_WINDOWEVENT_MOVED,          /**< Window has been moved to data1, data2 
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                                     */
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    SDL_WINDOWEVENT_RESIZED,        /**< Window size changed to data1xdata2 */
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    SDL_WINDOWEVENT_MINIMIZED,      /**< Window has been minimized */
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    SDL_WINDOWEVENT_MAXIMIZED,      /**< Window has been maximized */
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    SDL_WINDOWEVENT_RESTORED,       /**< Window has been restored to normal size
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                                         and position */
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    SDL_WINDOWEVENT_ENTER,          /**< Window has gained mouse focus */
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    SDL_WINDOWEVENT_LEAVE,          /**< Window has lost mouse focus */
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    SDL_WINDOWEVENT_FOCUS_GAINED,   /**< Window has gained keyboard focus */
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    SDL_WINDOWEVENT_FOCUS_LOST,     /**< Window has lost keyboard focus */
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    SDL_WINDOWEVENT_CLOSE           /**< The window manager requests that the 
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                                         window be closed */
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} SDL_WindowEventID;
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/**
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 *  \brief An opaque handle to an OpenGL context.
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 */
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typedef void *SDL_GLContext;
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/**
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 *  \brief OpenGL configuration attributes
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 */
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typedef enum
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{
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    SDL_GL_RED_SIZE,
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    SDL_GL_GREEN_SIZE,
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    SDL_GL_BLUE_SIZE,
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    SDL_GL_ALPHA_SIZE,
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    SDL_GL_BUFFER_SIZE,
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    SDL_GL_DOUBLEBUFFER,
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    SDL_GL_DEPTH_SIZE,
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    SDL_GL_STENCIL_SIZE,
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    SDL_GL_ACCUM_RED_SIZE,
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    SDL_GL_ACCUM_GREEN_SIZE,
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    SDL_GL_ACCUM_BLUE_SIZE,
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    SDL_GL_ACCUM_ALPHA_SIZE,
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    SDL_GL_STEREO,
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    SDL_GL_MULTISAMPLEBUFFERS,
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    SDL_GL_MULTISAMPLESAMPLES,
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    SDL_GL_ACCELERATED_VISUAL,
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    SDL_GL_RETAINED_BACKING,
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    SDL_GL_CONTEXT_MAJOR_VERSION,
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    SDL_GL_CONTEXT_MINOR_VERSION
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} SDL_GLattr;
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/* Function prototypes */
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/**
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 *  \brief Get the number of video drivers compiled into SDL
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 *  
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 *  \sa SDL_GetVideoDriver()
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 */
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extern DECLSPEC int SDLCALL SDL_GetNumVideoDrivers(void);
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/**
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 *  \brief Get the name of a built in video driver.
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 *  
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 *  \note The video drivers are presented in the order in which they are
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 *        normally checked during initialization.
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 *  
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 *  \sa SDL_GetNumVideoDrivers()
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 */
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extern DECLSPEC const char *SDLCALL SDL_GetVideoDriver(int index);
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/**
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 *  \brief Initialize the video subsystem, optionally specifying a video driver.
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 *  
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 *  \param driver_name Initialize a specific driver by name, or NULL for the 
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 *                     default video driver.
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 *  
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 *  \return 0 on success, -1 on error
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 *  
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 *  This function initializes the video subsystem; setting up a connection
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 *  to the window manager, etc, and determines the available display modes
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 *  and pixel formats, but does not initialize a window or graphics mode.
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 *  
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 *  \sa SDL_VideoQuit()
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 */
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extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name);
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/**
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 *  \brief Shuts down the video subsystem.
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 *  
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 *  This function closes all windows, and restores the original video mode.
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 *  
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 *  \sa SDL_VideoInit()
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 */
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extern DECLSPEC void SDLCALL SDL_VideoQuit(void);
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/**
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 *  \brief Returns the name of the currently initialized video driver.
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 *  
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 *  \return The name of the current video driver or NULL if no driver
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 *          has been initialized
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 *  
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 *  \sa SDL_GetNumVideoDrivers()
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 *  \sa SDL_GetVideoDriver()
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 */
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extern DECLSPEC const char *SDLCALL SDL_GetCurrentVideoDriver(void);
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/**
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 *  \brief Returns the number of available video displays.
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 *  
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 *  \sa SDL_GetDisplayBounds()
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 */
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extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void);
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/**
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 *  \brief Get the desktop area represented by a display, with the primary
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 *         display located at 0,0
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 *  
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 *  \return 0 on success, or -1 if the index is out of range.
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 *  
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 *  \sa SDL_GetNumVideoDisplays()
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 */
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extern DECLSPEC int SDLCALL SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect);
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/**
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 *  \brief Returns the number of available display modes.
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 *  
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 *  \sa SDL_GetDisplayMode()
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 */
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extern DECLSPEC int SDLCALL SDL_GetNumDisplayModes(int displayIndex);
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/**
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 *  \brief Fill in information about a specific display mode.
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 *  
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 *  \note The display modes are sorted in this priority:
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 *        \li bits per pixel -> more colors to fewer colors
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 *        \li width -> largest to smallest
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 *        \li height -> largest to smallest
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 *        \li refresh rate -> highest to lowest
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 *  
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 *  \sa SDL_GetNumDisplayModes()
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 */
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extern DECLSPEC int SDLCALL SDL_GetDisplayMode(int displayIndex, int modeIndex,
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                                               SDL_DisplayMode * mode);
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/**
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 *  \brief Fill in information about the desktop display mode.
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 */
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extern DECLSPEC int SDLCALL SDL_GetDesktopDisplayMode(int displayIndex, SDL_DisplayMode * mode);
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/**
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 *  \brief Fill in information about the current display mode.
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 */
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extern DECLSPEC int SDLCALL SDL_GetCurrentDisplayMode(int displayIndex, SDL_DisplayMode * mode);
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/**
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 *  \brief Get the closest match to the requested display mode.
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 *  
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 *  \param mode The desired display mode
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 *  \param closest A pointer to a display mode to be filled in with the closest 
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 *                 match of the available display modes.
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 *  
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 *  \return The passed in value \c closest, or NULL if no matching video mode 
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 *          was available.
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 *  
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 *  The available display modes are scanned, and \c closest is filled in with the
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 *  closest mode matching the requested mode and returned.  The mode format and 
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 *  refresh_rate default to the desktop mode if they are 0.  The modes are 
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 *  scanned with size being first priority, format being second priority, and 
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 *  finally checking the refresh_rate.  If all the available modes are too 
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 *  small, then NULL is returned.
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 *  
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 *  \sa SDL_GetNumDisplayModes()
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 *  \sa SDL_GetDisplayMode()
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 */
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extern DECLSPEC SDL_DisplayMode * SDLCALL SDL_GetClosestDisplayMode(int displayIndex, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
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/**
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 *  \brief Set the display mode used when a fullscreen window is visible.
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 *
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 *  By default the window's dimensions and the desktop format and refresh rate
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 *  are used.
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 *  
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 *  \param mode The mode to use, or NULL for the default mode.
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 *  
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 *  \return 0 on success, or -1 if setting the display mode failed.
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 *  
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 *  \sa SDL_GetWindowDisplayMode()
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 *  \sa SDL_SetWindowFullscreen()
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 */
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extern DECLSPEC int SDLCALL SDL_SetWindowDisplayMode(SDL_Window * window,
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                                                     const SDL_DisplayMode
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                                                         * mode);
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/**
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 *  \brief Fill in information about the display mode used when a fullscreen
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 *         window is visible.
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 *
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 *  \sa SDL_SetWindowDisplayMode()
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 *  \sa SDL_SetWindowFullscreen()
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 */
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extern DECLSPEC int SDLCALL SDL_GetWindowDisplayMode(SDL_Window * window,
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                                                     SDL_DisplayMode * mode);
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/**
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 *  \brief Get the pixel format associated with the window.
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 */
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extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
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/**
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 *  \brief Create a window with the specified position, dimensions, and flags.
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 *  
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 *  \param title The title of the window, in UTF-8 encoding.
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 *  \param x     The x position of the window, ::SDL_WINDOWPOS_CENTERED, or 
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 *               ::SDL_WINDOWPOS_UNDEFINED.
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 *  \param y     The y position of the window, ::SDL_WINDOWPOS_CENTERED, or 
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 *               ::SDL_WINDOWPOS_UNDEFINED.
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 *  \param w     The width of the window.
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 *  \param h     The height of the window.
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 *  \param flags The flags for the window, a mask of any of the following: 
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 *               ::SDL_WINDOW_FULLSCREEN, ::SDL_WINDOW_OPENGL, 
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 *               ::SDL_WINDOW_SHOWN,      ::SDL_WINDOW_BORDERLESS, 
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 *               ::SDL_WINDOW_RESIZABLE,  ::SDL_WINDOW_MAXIMIZED, 
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 *               ::SDL_WINDOW_MINIMIZED,  ::SDL_WINDOW_INPUT_GRABBED.
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 *  
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 *  \return The id of the window created, or zero if window creation failed.
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 *  
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 *  \sa SDL_DestroyWindow()
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   357
 */
slouken@3685
   358
extern DECLSPEC SDL_Window * SDLCALL SDL_CreateWindow(const char *title,
slouken@1895
   359
                                                      int x, int y, int w,
slouken@1895
   360
                                                      int h, Uint32 flags);
slouken@0
   361
slouken@1895
   362
/**
slouken@3493
   363
 *  \brief Create an SDL window from an existing native window.
slouken@3407
   364
 *  
slouken@3407
   365
 *  \param data A pointer to driver-dependent window creation data
slouken@3407
   366
 *  
slouken@3407
   367
 *  \return The id of the window created, or zero if window creation failed.
slouken@3407
   368
 *  
slouken@3407
   369
 *  \sa SDL_DestroyWindow()
slouken@0
   370
 */
slouken@3685
   371
extern DECLSPEC SDL_Window * SDLCALL SDL_CreateWindowFrom(const void *data);
slouken@3685
   372
slouken@3685
   373
/**
slouken@4883
   374
 *  \brief Get the numeric ID of a window, for logging purposes.
slouken@3685
   375
 */
slouken@3685
   376
extern DECLSPEC Uint32 SDLCALL SDL_GetWindowID(SDL_Window * window);
slouken@3685
   377
slouken@3685
   378
/**
slouken@3685
   379
 *  \brief Get a window from a stored ID, or NULL if it doesn't exist.
slouken@3685
   380
 */
slouken@3685
   381
extern DECLSPEC SDL_Window * SDLCALL SDL_GetWindowFromID(Uint32 id);
slouken@1895
   382
slouken@1895
   383
/**
slouken@3407
   384
 *  \brief Get the window flags.
slouken@1895
   385
 */
slouken@3685
   386
extern DECLSPEC Uint32 SDLCALL SDL_GetWindowFlags(SDL_Window * window);
slouken@1895
   387
slouken@1895
   388
/**
slouken@4883
   389
 *  \brief Set the title of a window, in UTF-8 format.
slouken@3407
   390
 *  
slouken@3407
   391
 *  \sa SDL_GetWindowTitle()
slouken@1895
   392
 */
slouken@3685
   393
extern DECLSPEC void SDLCALL SDL_SetWindowTitle(SDL_Window * window,
slouken@1895
   394
                                                const char *title);
slouken@1895
   395
slouken@1895
   396
/**
slouken@4883
   397
 *  \brief Get the title of a window, in UTF-8 format.
slouken@3407
   398
 *  
slouken@3407
   399
 *  \sa SDL_SetWindowTitle()
slouken@1895
   400
 */
slouken@3685
   401
extern DECLSPEC const char *SDLCALL SDL_GetWindowTitle(SDL_Window * window);
slouken@1895
   402
slouken@1895
   403
/**
slouken@4887
   404
 *  \brief Set the icon for a window.
slouken@3407
   405
 *  
slouken@4887
   406
 *  \param icon The icon for the window.
slouken@1895
   407
 */
slouken@3685
   408
extern DECLSPEC void SDLCALL SDL_SetWindowIcon(SDL_Window * window,
slouken@2990
   409
                                               SDL_Surface * icon);
slouken@1895
   410
slouken@1895
   411
/**
slouken@5165
   412
 *  \brief Associate an arbitrary named pointer with a window.
slouken@3407
   413
 *  
slouken@5165
   414
 *  \param window   The window to associate with the pointer.
slouken@5165
   415
 *  \param name     The name of the pointer.
slouken@5165
   416
 *  \param userdata The associated pointer.
slouken@5165
   417
 *
slouken@5165
   418
 *  \return The previous value associated with 'name'
slouken@5165
   419
 *
slouken@5165
   420
 *  \note The name is case-sensitive.
slouken@5165
   421
 *
slouken@3407
   422
 *  \sa SDL_GetWindowData()
slouken@1895
   423
 */
slouken@5165
   424
extern DECLSPEC void* SDLCALL SDL_SetWindowData(SDL_Window * window,
slouken@5165
   425
                                                const char *name,
slouken@5165
   426
                                                void *userdata);
slouken@1895
   427
slouken@1895
   428
/**
slouken@4883
   429
 *  \brief Retrieve the data pointer associated with a window.
slouken@3407
   430
 *  
slouken@5165
   431
 *  \param window   The window to query.
slouken@5165
   432
 *  \param name     The name of the pointer.
slouken@5165
   433
 *
slouken@5165
   434
 *  \return The value associated with 'name'
slouken@5165
   435
 *  
slouken@3407
   436
 *  \sa SDL_SetWindowData()
slouken@1895
   437
 */
slouken@5165
   438
extern DECLSPEC void *SDLCALL SDL_GetWindowData(SDL_Window * window,
slouken@5165
   439
                                                const char *name);
slouken@1895
   440
slouken@1895
   441
/**
slouken@4883
   442
 *  \brief Set the position of a window.
slouken@3407
   443
 *  
slouken@5165
   444
 *  \param window   The window to reposition.
slouken@3407
   445
 *  \param x        The x coordinate of the window, ::SDL_WINDOWPOS_CENTERED, or
slouken@3407
   446
                    ::SDL_WINDOWPOS_UNDEFINED.
slouken@3407
   447
 *  \param y        The y coordinate of the window, ::SDL_WINDOWPOS_CENTERED, or
slouken@3407
   448
                    ::SDL_WINDOWPOS_UNDEFINED.
slouken@3407
   449
 *  
slouken@3407
   450
 *  \note The window coordinate origin is the upper left of the display.
slouken@3407
   451
 *  
slouken@3407
   452
 *  \sa SDL_GetWindowPosition()
slouken@1895
   453
 */
slouken@3685
   454
extern DECLSPEC void SDLCALL SDL_SetWindowPosition(SDL_Window * window,
slouken@1895
   455
                                                   int x, int y);
slouken@1895
   456
slouken@1895
   457
/**
slouken@4883
   458
 *  \brief Get the position of a window.
slouken@3407
   459
 *  
slouken@3407
   460
 *  \sa SDL_SetWindowPosition()
slouken@1895
   461
 */
slouken@3685
   462
extern DECLSPEC void SDLCALL SDL_GetWindowPosition(SDL_Window * window,
slouken@1895
   463
                                                   int *x, int *y);
slouken@1895
   464
slouken@1895
   465
/**
slouken@4883
   466
 *  \brief Set the size of a window's client area.
slouken@3407
   467
 *  
slouken@3407
   468
 *  \note You can't change the size of a fullscreen window, it automatically
slouken@3407
   469
 *        matches the size of the display mode.
slouken@3407
   470
 *  
slouken@3407
   471
 *  \sa SDL_GetWindowSize()
slouken@1895
   472
 */
slouken@3685
   473
extern DECLSPEC void SDLCALL SDL_SetWindowSize(SDL_Window * window, int w,
slouken@1895
   474
                                               int h);
slouken@1895
   475
slouken@1895
   476
/**
slouken@4883
   477
 *  \brief Get the size of a window's client area.
slouken@3407
   478
 *  
slouken@3407
   479
 *  \sa SDL_SetWindowSize()
slouken@1895
   480
 */
slouken@3685
   481
extern DECLSPEC void SDLCALL SDL_GetWindowSize(SDL_Window * window, int *w,
slouken@1895
   482
                                               int *h);
slouken@1895
   483
slouken@1895
   484
/**
slouken@4883
   485
 *  \brief Show a window.
slouken@3407
   486
 *  
slouken@3407
   487
 *  \sa SDL_HideWindow()
slouken@1895
   488
 */
slouken@3685
   489
extern DECLSPEC void SDLCALL SDL_ShowWindow(SDL_Window * window);
slouken@1895
   490
slouken@1895
   491
/**
slouken@4883
   492
 *  \brief Hide a window.
slouken@3407
   493
 *  
slouken@3407
   494
 *  \sa SDL_ShowWindow()
slouken@1895
   495
 */
slouken@3685
   496
extern DECLSPEC void SDLCALL SDL_HideWindow(SDL_Window * window);
slouken@1895
   497
slouken@1895
   498
/**
slouken@4883
   499
 *  \brief Raise a window above other windows and set the input focus.
slouken@1895
   500
 */
slouken@3685
   501
extern DECLSPEC void SDLCALL SDL_RaiseWindow(SDL_Window * window);
slouken@1895
   502
slouken@1895
   503
/**
slouken@4883
   504
 *  \brief Make a window as large as possible.
slouken@3407
   505
 *  
slouken@3407
   506
 *  \sa SDL_RestoreWindow()
slouken@1895
   507
 */
slouken@3685
   508
extern DECLSPEC void SDLCALL SDL_MaximizeWindow(SDL_Window * window);
slouken@1895
   509
slouken@1895
   510
/**
slouken@4883
   511
 *  \brief Minimize a window to an iconic representation.
slouken@3407
   512
 *  
slouken@3407
   513
 *  \sa SDL_RestoreWindow()
slouken@1895
   514
 */
slouken@3685
   515
extern DECLSPEC void SDLCALL SDL_MinimizeWindow(SDL_Window * window);
slouken@1895
   516
slouken@1895
   517
/**
slouken@3407
   518
 *  \brief Restore the size and position of a minimized or maximized window.
slouken@3407
   519
 *  
slouken@3407
   520
 *  \sa SDL_MaximizeWindow()
slouken@3407
   521
 *  \sa SDL_MinimizeWindow()
slouken@1895
   522
 */
slouken@3685
   523
extern DECLSPEC void SDLCALL SDL_RestoreWindow(SDL_Window * window);
slouken@1895
   524
slouken@1895
   525
/**
slouken@4883
   526
 *  \brief Set a window's fullscreen state.
slouken@3407
   527
 *  
slouken@3407
   528
 *  \return 0 on success, or -1 if setting the display mode failed.
slouken@3407
   529
 *  
slouken@3522
   530
 *  \sa SDL_SetWindowDisplayMode()
slouken@3522
   531
 *  \sa SDL_GetWindowDisplayMode()
slouken@1895
   532
 */
slouken@3685
   533
extern DECLSPEC int SDLCALL SDL_SetWindowFullscreen(SDL_Window * window,
slouken@1895
   534
                                                    int fullscreen);
slouken@1895
   535
slouken@1895
   536
/**
slouken@5166
   537
 *  \brief Get an SDL surface associated with the window.
slouken@5166
   538
 *
slouken@5166
   539
 *  \return A surface in the optimal format for the window, or NULL on error.
slouken@5166
   540
 *
slouken@5166
   541
 *  \note You may not combine this with 3D or the rendering API on this window.
slouken@5166
   542
 *
slouken@5166
   543
 *  \sa SDL_UpdateWindowSurface()
slouken@5166
   544
 *  \sa SDL_UpdateWindowSurfaceRects()
slouken@5166
   545
 */
slouken@5166
   546
extern DECLSPEC SDL_Surface * SDLCALL SDL_GetWindowSurface(SDL_Window * window);
slouken@5166
   547
slouken@5166
   548
/**
slouken@5166
   549
 *  \brief Copy the window surface to the screen.
slouken@5166
   550
 *
slouken@5166
   551
 *  \return 0 on success, or -1 on error.
slouken@5166
   552
 *
slouken@5166
   553
 *  \sa SDL_GetWindowSurface()
slouken@5166
   554
 *  \sa SDL_UpdateWindowSurfaceRects()
slouken@5166
   555
 */
slouken@5166
   556
extern DECLSPEC int SDLCALL SDL_UpdateWindowSurface(SDL_Window * window);
slouken@5166
   557
slouken@5166
   558
/**
slouken@5166
   559
 *  \brief Copy a number of rectangles on the window surface to the screen.
slouken@5166
   560
 *
slouken@5166
   561
 *  \return 0 on success, or -1 on error.
slouken@5166
   562
 *
slouken@5166
   563
 *  \sa SDL_GetWindowSurface()
slouken@5166
   564
 *  \sa SDL_UpdateWindowSurfaceRect()
slouken@5166
   565
 */
slouken@5166
   566
extern DECLSPEC int SDLCALL SDL_UpdateWindowSurfaceRects(SDL_Window * window,
slouken@5166
   567
                                                         int numrects,
slouken@5166
   568
                                                         SDL_Rect * rects);
slouken@5166
   569
slouken@5166
   570
/**
slouken@4883
   571
 *  \brief Set a window's input grab mode.
slouken@3407
   572
 *  
slouken@3407
   573
 *  \param mode This is 1 to grab input, and 0 to release input.
slouken@3407
   574
 *  
slouken@3407
   575
 *  \sa SDL_GetWindowGrab()
slouken@1895
   576
 */
slouken@3685
   577
extern DECLSPEC void SDLCALL SDL_SetWindowGrab(SDL_Window * window,
slouken@1895
   578
                                               int mode);
slouken@1895
   579
slouken@1895
   580
/**
slouken@4883
   581
 *  \brief Get a window's input grab mode.
slouken@3407
   582
 *  
slouken@3407
   583
 *  \return This returns 1 if input is grabbed, and 0 otherwise.
slouken@3407
   584
 *  
slouken@3407
   585
 *  \sa SDL_SetWindowGrab()
slouken@1895
   586
 */
slouken@3685
   587
extern DECLSPEC int SDLCALL SDL_GetWindowGrab(SDL_Window * window);
slouken@1895
   588
slouken@1895
   589
/**
slouken@3407
   590
 *  \brief Get driver specific information about a window.
slouken@3407
   591
 *  
slouken@3407
   592
 *  \note Include SDL_syswm.h for the declaration of SDL_SysWMinfo.
slouken@1895
   593
 */
slouken@1895
   594
struct SDL_SysWMinfo;
slouken@3685
   595
extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowWMInfo(SDL_Window * window,
slouken@1895
   596
                                                     struct SDL_SysWMinfo
slouken@1895
   597
                                                     *info);
slouken@1895
   598
slouken@1895
   599
/**
slouken@3407
   600
 *  \brief Destroy a window.
slouken@1895
   601
 */
slouken@3685
   602
extern DECLSPEC void SDLCALL SDL_DestroyWindow(SDL_Window * window);
slouken@1895
   603
slouken@0
   604
slouken@3025
   605
/**
slouken@4875
   606
 *  \brief Returns whether the screensaver is currently enabled (default on).
slouken@3407
   607
 *  
slouken@3407
   608
 *  \sa SDL_EnableScreenSaver()
slouken@3407
   609
 *  \sa SDL_DisableScreenSaver()
slouken@3025
   610
 */
couriersud@3033
   611
extern DECLSPEC SDL_bool SDLCALL SDL_IsScreenSaverEnabled(void);
slouken@3025
   612
slouken@3025
   613
/**
slouken@3407
   614
 *  \brief Allow the screen to be blanked by a screensaver
slouken@3407
   615
 *  
slouken@3407
   616
 *  \sa SDL_IsScreenSaverEnabled()
slouken@3407
   617
 *  \sa SDL_DisableScreenSaver()
slouken@3025
   618
 */
couriersud@3033
   619
extern DECLSPEC void SDLCALL SDL_EnableScreenSaver(void);
slouken@3025
   620
slouken@3025
   621
/**
slouken@3407
   622
 *  \brief Prevent the screen from being blanked by a screensaver
slouken@3407
   623
 *  
slouken@3407
   624
 *  \sa SDL_IsScreenSaverEnabled()
slouken@3407
   625
 *  \sa SDL_EnableScreenSaver()
slouken@3025
   626
 */
couriersud@3033
   627
extern DECLSPEC void SDLCALL SDL_DisableScreenSaver(void);
slouken@3025
   628
slouken@0
   629
slouken@3407
   630
/**
slouken@3407
   631
 *  \name OpenGL support functions
slouken@3407
   632
 */
slouken@3407
   633
/*@{*/
slouken@0
   634
slouken@1895
   635
/**
slouken@3407
   636
 *  \brief Dynamically load an OpenGL library.
slouken@3407
   637
 *  
slouken@3407
   638
 *  \param path The platform dependent OpenGL library name, or NULL to open the 
slouken@3407
   639
 *              default OpenGL library.
slouken@3407
   640
 *  
slouken@3407
   641
 *  \return 0 on success, or -1 if the library couldn't be loaded.
slouken@3407
   642
 *  
slouken@3407
   643
 *  This should be done after initializing the video driver, but before
slouken@3407
   644
 *  creating any OpenGL windows.  If no OpenGL library is loaded, the default
slouken@3407
   645
 *  library will be loaded upon creation of the first OpenGL window.
slouken@3407
   646
 *  
slouken@3407
   647
 *  \note If you do this, you need to retrieve all of the GL functions used in
slouken@3407
   648
 *        your program from the dynamic library using SDL_GL_GetProcAddress().
slouken@3407
   649
 *  
slouken@3407
   650
 *  \sa SDL_GL_GetProcAddress()
slouken@3407
   651
 *  \sa SDL_GL_UnloadLibrary()
slouken@0
   652
 */
slouken@337
   653
extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path);
slouken@0
   654
slouken@1895
   655
/**
slouken@3407
   656
 *  \brief Get the address of an OpenGL function.
slouken@0
   657
 */
slouken@1895
   658
extern DECLSPEC void *SDLCALL SDL_GL_GetProcAddress(const char *proc);
slouken@0
   659
slouken@1895
   660
/**
slouken@3407
   661
 *  \brief Unload the OpenGL library previously loaded by SDL_GL_LoadLibrary().
slouken@3407
   662
 *  
slouken@3407
   663
 *  \sa SDL_GL_LoadLibrary()
slouken@3057
   664
 */
slouken@3057
   665
extern DECLSPEC void SDLCALL SDL_GL_UnloadLibrary(void);
slouken@3057
   666
slouken@3057
   667
/**
slouken@3407
   668
 *  \brief Return true if an OpenGL extension is supported for the current 
slouken@3407
   669
 *         context.
slouken@1926
   670
 */
slouken@1926
   671
extern DECLSPEC SDL_bool SDLCALL SDL_GL_ExtensionSupported(const char
slouken@1926
   672
                                                           *extension);
slouken@1926
   673
slouken@1926
   674
/**
slouken@3407
   675
 *  \brief Set an OpenGL window attribute before window creation.
slouken@0
   676
 */
slouken@337
   677
extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value);
slouken@0
   678
slouken@1895
   679
/**
slouken@3407
   680
 *  \brief Get the actual value for an attribute from the current context.
slouken@0
   681
 */
slouken@1936
   682
extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int *value);
slouken@0
   683
slouken@1895
   684
/**
slouken@3407
   685
 *  \brief Create an OpenGL context for use with an OpenGL window, and make it 
slouken@3407
   686
 *         current.
slouken@3407
   687
 *  
slouken@3407
   688
 *  \sa SDL_GL_DeleteContext()
slouken@1895
   689
 */
slouken@3685
   690
extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_CreateContext(SDL_Window *
slouken@3685
   691
                                                           window);
slouken@1895
   692
slouken@1895
   693
/**
slouken@3407
   694
 *  \brief Set up an OpenGL context for rendering into an OpenGL window.
slouken@3407
   695
 *  
slouken@3407
   696
 *  \note The context must have been created with a compatible window.
slouken@1895
   697
 */
slouken@3685
   698
extern DECLSPEC int SDLCALL SDL_GL_MakeCurrent(SDL_Window * window,
slouken@1895
   699
                                               SDL_GLContext context);
slouken@1895
   700
slouken@1895
   701
/**
slouken@3407
   702
 *  \brief Set the swap interval for the current OpenGL context.
slouken@3407
   703
 *  
slouken@3407
   704
 *  \param interval 0 for immediate updates, 1 for updates synchronized with the
slouken@3407
   705
 *                  vertical retrace.
slouken@3407
   706
 *  
slouken@3407
   707
 *  \return 0 on success, or -1 if setting the swap interval is not supported.
slouken@3407
   708
 *  
slouken@3407
   709
 *  \sa SDL_GL_GetSwapInterval()
slouken@1895
   710
 */
slouken@1895
   711
extern DECLSPEC int SDLCALL SDL_GL_SetSwapInterval(int interval);
slouken@1895
   712
slouken@1895
   713
/**
slouken@3407
   714
 *  \brief Get the swap interval for the current OpenGL context.
slouken@3407
   715
 *  
slouken@3407
   716
 *  \return 0 if there is no vertical retrace synchronization, 1 if the buffer 
slouken@3407
   717
 *          swap is synchronized with the vertical retrace, and -1 if getting 
slouken@3407
   718
 *          the swap interval is not supported.
slouken@3407
   719
 *  
slouken@3407
   720
 *  \sa SDL_GL_SetSwapInterval()
slouken@1895
   721
 */
slouken@1895
   722
extern DECLSPEC int SDLCALL SDL_GL_GetSwapInterval(void);
slouken@1895
   723
slouken@1895
   724
/**
slouken@4883
   725
 * \brief Swap the OpenGL buffers for a window, if double-buffering is 
slouken@3407
   726
 *        supported.
slouken@0
   727
 */
slouken@3685
   728
extern DECLSPEC void SDLCALL SDL_GL_SwapWindow(SDL_Window * window);
slouken@0
   729
slouken@1895
   730
/**
slouken@3407
   731
 *  \brief Delete an OpenGL context.
slouken@3407
   732
 *  
slouken@3407
   733
 *  \sa SDL_GL_CreateContext()
slouken@0
   734
 */
slouken@1895
   735
extern DECLSPEC void SDLCALL SDL_GL_DeleteContext(SDL_GLContext context);
slouken@0
   736
slouken@3407
   737
/*@}*//*OpenGL support functions*/
slouken@3407
   738
slouken@0
   739
slouken@0
   740
/* Ends C function definitions when using C++ */
slouken@0
   741
#ifdef __cplusplus
slouken@1895
   742
/* *INDENT-OFF* */
slouken@0
   743
}
slouken@1895
   744
/* *INDENT-ON* */
slouken@0
   745
#endif
slouken@0
   746
#include "close_code.h"
slouken@0
   747
slouken@0
   748
#endif /* _SDL_video_h */
slouken@1895
   749
slouken@1895
   750
/* vi: set ts=4 sw=4 expandtab: */