diff options
Diffstat (limited to 'src/SDL12/include/SDL_video.h')
| -rw-r--r-- | src/SDL12/include/SDL_video.h | 430 |
1 files changed, 246 insertions, 184 deletions
diff --git a/src/SDL12/include/SDL_video.h b/src/SDL12/include/SDL_video.h index 720022e3..8f7f3052 100644 --- a/src/SDL12/include/SDL_video.h +++ b/src/SDL12/include/SDL_video.h @@ -1,6 +1,6 @@ /* SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga + Copyright (C) 1997-2009 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -20,7 +20,9 @@ slouken@libsdl.org */ -/* Header file for access to the SDL raw framebuffer window */ +/** @file SDL_video.h + * Header file for access to the SDL raw framebuffer window + */ #ifndef _SDL_video_h #define _SDL_video_h @@ -35,11 +37,16 @@ extern "C" { #endif -/* Transparency definitions: These define alpha as the opacity of a surface */ +/** @name Transparency definitions + * These define alpha as the opacity of a surface + */ +/*@{*/ #define SDL_ALPHA_OPAQUE 255 #define SDL_ALPHA_TRANSPARENT 0 +/*@}*/ -/* Useful data types */ +/** @name Useful data types */ +/*@{*/ typedef struct SDL_Rect { Sint16 x, y; Uint16 w, h; @@ -57,8 +64,9 @@ typedef struct SDL_Palette { int ncolors; SDL_Color *colors; } SDL_Palette; +/*@}*/ -/* Everything in the pixel format structure is read-only */ +/** Everything in the pixel format structure is read-only */ typedef struct SDL_PixelFormat { SDL_Palette *palette; Uint8 BitsPerPixel; @@ -76,128 +84,149 @@ typedef struct SDL_PixelFormat { Uint32 Bmask; Uint32 Amask; - /* RGB color key information */ + /** RGB color key information */ Uint32 colorkey; - /* Alpha value information (per-surface alpha) */ + /** Alpha value information (per-surface alpha) */ Uint8 alpha; } SDL_PixelFormat; -/* This structure should be treated as read-only, except for 'pixels', - which, if not NULL, contains the raw pixel data for the surface. -*/ +/** This structure should be treated as read-only, except for 'pixels', + * which, if not NULL, contains the raw pixel data for the surface. + */ typedef struct SDL_Surface { - Uint32 flags; /* Read-only */ - SDL_PixelFormat *format; /* Read-only */ - int w, h; /* Read-only */ - Uint16 pitch; /* Read-only */ - void *pixels; /* Read-write */ - int offset; /* Private */ - - /* Hardware-specific surface info */ + Uint32 flags; /**< Read-only */ + SDL_PixelFormat *format; /**< Read-only */ + int w, h; /**< Read-only */ + Uint16 pitch; /**< Read-only */ + void *pixels; /**< Read-write */ + int offset; /**< Private */ + + /** Hardware-specific surface info */ struct private_hwdata *hwdata; - /* clipping information */ - SDL_Rect clip_rect; /* Read-only */ - Uint32 unused1; /* for binary compatibility */ + /** clipping information */ + SDL_Rect clip_rect; /**< Read-only */ + Uint32 unused1; /**< for binary compatibility */ - /* Allow recursive locks */ - Uint32 locked; /* Private */ + /** Allow recursive locks */ + Uint32 locked; /**< Private */ - /* info for fast blit mapping to other surfaces */ - struct SDL_BlitMap *map; /* Private */ + /** info for fast blit mapping to other surfaces */ + struct SDL_BlitMap *map; /**< Private */ - /* format version, bumped at every change to invalidate blit maps */ - unsigned int format_version; /* Private */ + /** format version, bumped at every change to invalidate blit maps */ + unsigned int format_version; /**< Private */ - /* Reference count -- used when freeing surface */ - int refcount; /* Read-mostly */ + /** Reference count -- used when freeing surface */ + int refcount; /**< Read-mostly */ } SDL_Surface; -/* These are the currently supported flags for the SDL_surface */ -/* Available for SDL_CreateRGBSurface() or SDL_SetVideoMode() */ -#define SDL_SWSURFACE 0x00000000 /* Surface is in system memory */ -#define SDL_HWSURFACE 0x00000001 /* Surface is in video memory */ -#define SDL_ASYNCBLIT 0x00000004 /* Use asynchronous blits if possible */ -/* Available for SDL_SetVideoMode() */ -#define SDL_ANYFORMAT 0x10000000 /* Allow any video depth/pixel-format */ -#define SDL_HWPALETTE 0x20000000 /* Surface has exclusive palette */ -#define SDL_DOUBLEBUF 0x40000000 /* Set up double-buffered video mode */ -#define SDL_FULLSCREEN 0x80000000 /* Surface is a full screen display */ -#define SDL_OPENGL 0x00000002 /* Create an OpenGL rendering context */ -#define SDL_OPENGLBLIT 0x0000000A /* Create an OpenGL rendering context and use it for blitting */ -#define SDL_RESIZABLE 0x00000010 /* This video mode may be resized */ -#define SDL_NOFRAME 0x00000020 /* No window caption or edge frame */ -/* Used internally (read-only) */ -#define SDL_HWACCEL 0x00000100 /* Blit uses hardware acceleration */ -#define SDL_SRCCOLORKEY 0x00001000 /* Blit uses a source color key */ -#define SDL_RLEACCELOK 0x00002000 /* Private flag */ -#define SDL_RLEACCEL 0x00004000 /* Surface is RLE encoded */ -#define SDL_SRCALPHA 0x00010000 /* Blit uses source alpha blending */ -#define SDL_PREALLOC 0x01000000 /* Surface uses preallocated memory */ - -/* Evaluates to true if the surface needs to be locked before access */ +/** @name SDL_Surface Flags + * These are the currently supported flags for the SDL_surface + */ +/*@{*/ + +/** Available for SDL_CreateRGBSurface() or SDL_SetVideoMode() */ +/*@{*/ +#define SDL_SWSURFACE 0x00000000 /**< Surface is in system memory */ +#define SDL_HWSURFACE 0x00000001 /**< Surface is in video memory */ +#define SDL_ASYNCBLIT 0x00000004 /**< Use asynchronous blits if possible */ +/*@}*/ + +/** Available for SDL_SetVideoMode() */ +/*@{*/ +#define SDL_ANYFORMAT 0x10000000 /**< Allow any video depth/pixel-format */ +#define SDL_HWPALETTE 0x20000000 /**< Surface has exclusive palette */ +#define SDL_DOUBLEBUF 0x40000000 /**< Set up double-buffered video mode */ +#define SDL_FULLSCREEN 0x80000000 /**< Surface is a full screen display */ +#define SDL_OPENGL 0x00000002 /**< Create an OpenGL rendering context */ +#define SDL_OPENGLBLIT 0x0000000A /**< Create an OpenGL rendering context and use it for blitting */ +#define SDL_RESIZABLE 0x00000010 /**< This video mode may be resized */ +#define SDL_NOFRAME 0x00000020 /**< No window caption or edge frame */ +/*@}*/ + +/** Used internally (read-only) */ +/*@{*/ +#define SDL_HWACCEL 0x00000100 /**< Blit uses hardware acceleration */ +#define SDL_SRCCOLORKEY 0x00001000 /**< Blit uses a source color key */ +#define SDL_RLEACCELOK 0x00002000 /**< Private flag */ +#define SDL_RLEACCEL 0x00004000 /**< Surface is RLE encoded */ +#define SDL_SRCALPHA 0x00010000 /**< Blit uses source alpha blending */ +#define SDL_PREALLOC 0x01000000 /**< Surface uses preallocated memory */ +/*@}*/ + +/*@}*/ + +/** Evaluates to true if the surface needs to be locked before access */ #define SDL_MUSTLOCK(surface) \ (surface->offset || \ ((surface->flags & (SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_RLEACCEL)) != 0)) -/* typedef for private surface blitting functions */ +/** typedef for private surface blitting functions */ typedef int (*SDL_blit)(struct SDL_Surface *src, SDL_Rect *srcrect, struct SDL_Surface *dst, SDL_Rect *dstrect); -/* Useful for determining the video hardware capabilities */ +/** Useful for determining the video hardware capabilities */ typedef struct SDL_VideoInfo { - Uint32 hw_available :1; /* Flag: Can you create hardware surfaces? */ - Uint32 wm_available :1; /* Flag: Can you talk to a window manager? */ + Uint32 hw_available :1; /**< Flag: Can you create hardware surfaces? */ + Uint32 wm_available :1; /**< Flag: Can you talk to a window manager? */ Uint32 UnusedBits1 :6; Uint32 UnusedBits2 :1; - Uint32 blit_hw :1; /* Flag: Accelerated blits HW --> HW */ - Uint32 blit_hw_CC :1; /* Flag: Accelerated blits with Colorkey */ - Uint32 blit_hw_A :1; /* Flag: Accelerated blits with Alpha */ - Uint32 blit_sw :1; /* Flag: Accelerated blits SW --> HW */ - Uint32 blit_sw_CC :1; /* Flag: Accelerated blits with Colorkey */ - Uint32 blit_sw_A :1; /* Flag: Accelerated blits with Alpha */ - Uint32 blit_fill :1; /* Flag: Accelerated color fill */ + Uint32 blit_hw :1; /**< Flag: Accelerated blits HW --> HW */ + Uint32 blit_hw_CC :1; /**< Flag: Accelerated blits with Colorkey */ + Uint32 blit_hw_A :1; /**< Flag: Accelerated blits with Alpha */ + Uint32 blit_sw :1; /**< Flag: Accelerated blits SW --> HW */ + Uint32 blit_sw_CC :1; /**< Flag: Accelerated blits with Colorkey */ + Uint32 blit_sw_A :1; /**< Flag: Accelerated blits with Alpha */ + Uint32 blit_fill :1; /**< Flag: Accelerated color fill */ Uint32 UnusedBits3 :16; - Uint32 video_mem; /* The total amount of video memory (in K) */ - SDL_PixelFormat *vfmt; /* Value: The format of the video surface */ - int current_w; /* Value: The current video mode width */ - int current_h; /* Value: The current video mode height */ + Uint32 video_mem; /**< The total amount of video memory (in K) */ + SDL_PixelFormat *vfmt; /**< Value: The format of the video surface */ + int current_w; /**< Value: The current video mode width */ + int current_h; /**< Value: The current video mode height */ } SDL_VideoInfo; -/* The most common video overlay formats. - For an explanation of these pixel formats, see: - http://www.webartz.com/fourcc/indexyuv.htm - - For information on the relationship between color spaces, see: - http://www.neuro.sfc.keio.ac.jp/~aly/polygon/info/color-space-faq.html +/** @name Overlay Formats + * The most common video overlay formats. + * For an explanation of these pixel formats, see: + * http://www.webartz.com/fourcc/indexyuv.htm + * + * For information on the relationship between color spaces, see: + * http://www.neuro.sfc.keio.ac.jp/~aly/polygon/info/color-space-faq.html */ -#define SDL_YV12_OVERLAY 0x32315659 /* Planar mode: Y + V + U (3 planes) */ -#define SDL_IYUV_OVERLAY 0x56555949 /* Planar mode: Y + U + V (3 planes) */ -#define SDL_YUY2_OVERLAY 0x32595559 /* Packed mode: Y0+U0+Y1+V0 (1 plane) */ -#define SDL_UYVY_OVERLAY 0x59565955 /* Packed mode: U0+Y0+V0+Y1 (1 plane) */ -#define SDL_YVYU_OVERLAY 0x55595659 /* Packed mode: Y0+V0+Y1+U0 (1 plane) */ +/*@{*/ +#define SDL_YV12_OVERLAY 0x32315659 /**< Planar mode: Y + V + U (3 planes) */ +#define SDL_IYUV_OVERLAY 0x56555949 /**< Planar mode: Y + U + V (3 planes) */ +#define SDL_YUY2_OVERLAY 0x32595559 /**< Packed mode: Y0+U0+Y1+V0 (1 plane) */ +#define SDL_UYVY_OVERLAY 0x59565955 /**< Packed mode: U0+Y0+V0+Y1 (1 plane) */ +#define SDL_YVYU_OVERLAY 0x55595659 /**< Packed mode: Y0+V0+Y1+U0 (1 plane) */ +/*@}*/ -/* The YUV hardware video overlay */ +/** The YUV hardware video overlay */ typedef struct SDL_Overlay { - Uint32 format; /* Read-only */ - int w, h; /* Read-only */ - int planes; /* Read-only */ - Uint16 *pitches; /* Read-only */ - Uint8 **pixels; /* Read-write */ - - /* Hardware-specific surface info */ + Uint32 format; /**< Read-only */ + int w, h; /**< Read-only */ + int planes; /**< Read-only */ + Uint16 *pitches; /**< Read-only */ + Uint8 **pixels; /**< Read-write */ + + /** @name Hardware-specific surface info */ + /*@{*/ struct private_yuvhwfuncs *hwfuncs; struct private_yuvhwdata *hwdata; + /*@{*/ - /* Special flags */ - Uint32 hw_overlay :1; /* Flag: This overlay hardware accelerated? */ + /** @name Special flags */ + /*@{*/ + Uint32 hw_overlay :1; /**< Flag: This overlay hardware accelerated? */ Uint32 UnusedBits :31; + /*@}*/ } SDL_Overlay; -/* Public enumeration for setting the OpenGL window attributes. */ +/** Public enumeration for setting the OpenGL window attributes. */ typedef enum { SDL_GL_RED_SIZE, SDL_GL_GREEN_SIZE, @@ -218,17 +247,23 @@ typedef enum { SDL_GL_SWAP_CONTROL } SDL_GLattr; -/* flags for SDL_SetPalette() */ +/** @name flags for SDL_SetPalette() */ +/*@{*/ #define SDL_LOGPAL 0x01 #define SDL_PHYSPAL 0x02 +/*@}*/ /* Function prototypes */ -/* These functions are used internally, and should not be used unless you +/** + * @name Video Init and Quit + * These functions are used internally, and should not be used unless you * have a specific need to specify the video driver you want to use. * You should normally use SDL_Init() or SDL_InitSubSystem(). - * - * SDL_VideoInit() initializes the video subsystem -- sets up a connection + */ +/*@{*/ +/** + * Initializes the video subsystem. Sets up a connection * to the window manager, etc, and determines the current video mode and * pixel format, but does not initialize a window or graphics mode. * Note that event handling is activated by this routine. @@ -239,14 +274,16 @@ typedef enum { */ extern DECLSPEC int SDLCALL SDL_VideoInit(const char *driver_name, Uint32 flags); extern DECLSPEC void SDLCALL SDL_VideoQuit(void); +/*@}*/ -/* This function fills the given character buffer with the name of the +/** + * This function fills the given character buffer with the name of the * video driver, and returns a pointer to it if the video driver has * been initialized. It returns NULL if no driver has been initialized. */ extern DECLSPEC char * SDLCALL SDL_VideoDriverName(char *namebuf, int maxlen); -/* +/** * This function returns a pointer to the current display surface. * If SDL is doing format conversion on the display surface, this * function returns the publicly visible surface, not the real video @@ -254,7 +291,7 @@ extern DECLSPEC char * SDLCALL SDL_VideoDriverName(char *namebuf, int maxlen); */ extern DECLSPEC SDL_Surface * SDLCALL SDL_GetVideoSurface(void); -/* +/** * This function returns a read-only pointer to information about the * video hardware. If this is called before SDL_SetVideoMode(), the 'vfmt' * member of the returned structure will contain the pixel format of the @@ -262,7 +299,7 @@ extern DECLSPEC SDL_Surface * SDLCALL SDL_GetVideoSurface(void); */ extern DECLSPEC const SDL_VideoInfo * SDLCALL SDL_GetVideoInfo(void); -/* +/** * Check to see if a particular video mode is supported. * It returns 0 if the requested mode is not supported under any bit depth, * or returns the bits-per-pixel of the closest available mode with the @@ -275,7 +312,7 @@ extern DECLSPEC const SDL_VideoInfo * SDLCALL SDL_GetVideoInfo(void); */ extern DECLSPEC int SDLCALL SDL_VideoModeOK(int width, int height, int bpp, Uint32 flags); -/* +/** * Return a pointer to an array of available screen dimensions for the * given format and video flags, sorted largest to smallest. Returns * NULL if there are no dimensions available for a particular format, @@ -286,7 +323,7 @@ extern DECLSPEC int SDLCALL SDL_VideoModeOK(int width, int height, int bpp, Uint */ extern DECLSPEC SDL_Rect ** SDLCALL SDL_ListModes(SDL_PixelFormat *format, Uint32 flags); -/* +/** * Set up a video mode with the specified width, height and bits-per-pixel. * * If 'bpp' is 0, it is treated as the current display bits per pixel. @@ -347,18 +384,24 @@ extern DECLSPEC SDL_Rect ** SDLCALL SDL_ListModes(SDL_PixelFormat *format, Uint3 extern DECLSPEC SDL_Surface * SDLCALL SDL_SetVideoMode (int width, int height, int bpp, Uint32 flags); -/* - * Makes sure the given list of rectangles is updated on the given screen. - * If 'x', 'y', 'w' and 'h' are all 0, SDL_UpdateRect will update the entire - * screen. +/** @name SDL_Update Functions * These functions should not be called while 'screen' is locked. */ +/*@{*/ +/** + * Makes sure the given list of rectangles is updated on the given screen. + */ extern DECLSPEC void SDLCALL SDL_UpdateRects (SDL_Surface *screen, int numrects, SDL_Rect *rects); +/** + * If 'x', 'y', 'w' and 'h' are all 0, SDL_UpdateRect will update the entire + * screen. + */ extern DECLSPEC void SDLCALL SDL_UpdateRect (SDL_Surface *screen, Sint32 x, Sint32 y, Uint32 w, Uint32 h); +/*@}*/ -/* +/** * On hardware that supports double-buffering, this function sets up a flip * and returns. The hardware will wait for vertical retrace, and then swap * video buffers before the next video surface blit or lock will return. @@ -370,7 +413,7 @@ extern DECLSPEC void SDLCALL SDL_UpdateRect */ extern DECLSPEC int SDLCALL SDL_Flip(SDL_Surface *screen); -/* +/** * Set the gamma correction for each of the color channels. * The gamma values range (approximately) between 0.1 and 10.0 * @@ -380,7 +423,7 @@ extern DECLSPEC int SDLCALL SDL_Flip(SDL_Surface *screen); */ extern DECLSPEC int SDLCALL SDL_SetGamma(float red, float green, float blue); -/* +/** * Set the gamma translation table for the red, green, and blue channels * of the video hardware. Each table is an array of 256 16-bit quantities, * representing a mapping between the input and output for that channel. @@ -394,7 +437,7 @@ extern DECLSPEC int SDLCALL SDL_SetGamma(float red, float green, float blue); */ extern DECLSPEC int SDLCALL SDL_SetGammaRamp(const Uint16 *red, const Uint16 *green, const Uint16 *blue); -/* +/** * Retrieve the current values of the gamma translation tables. * * You must pass in valid pointers to arrays of 256 16-bit quantities. @@ -405,7 +448,7 @@ extern DECLSPEC int SDLCALL SDL_SetGammaRamp(const Uint16 *red, const Uint16 *gr */ extern DECLSPEC int SDLCALL SDL_GetGammaRamp(Uint16 *red, Uint16 *green, Uint16 *blue); -/* +/** * Sets a portion of the colormap for the given 8-bit surface. If 'surface' * is not a palettized surface, this function does nothing, returning 0. * If all of the colors were set as passed to SDL_SetColors(), it will @@ -423,7 +466,7 @@ extern DECLSPEC int SDLCALL SDL_GetGammaRamp(Uint16 *red, Uint16 *green, Uint16 extern DECLSPEC int SDLCALL SDL_SetColors(SDL_Surface *surface, SDL_Color *colors, int firstcolor, int ncolors); -/* +/** * Sets a portion of the colormap for a given 8-bit surface. * 'flags' is one or both of: * SDL_LOGPAL -- set logical palette, which controls how blits are mapped @@ -443,31 +486,37 @@ extern DECLSPEC int SDLCALL SDL_SetPalette(SDL_Surface *surface, int flags, SDL_Color *colors, int firstcolor, int ncolors); -/* +/** * Maps an RGB triple to an opaque pixel value for a given pixel format */ extern DECLSPEC Uint32 SDLCALL SDL_MapRGB - (SDL_PixelFormat *format, Uint8 r, Uint8 g, Uint8 b); +(const SDL_PixelFormat * const format, + const Uint8 r, const Uint8 g, const Uint8 b); -/* +/** * Maps an RGBA quadruple to a pixel value for a given pixel format */ -extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA(SDL_PixelFormat *format, - Uint8 r, Uint8 g, Uint8 b, Uint8 a); +extern DECLSPEC Uint32 SDLCALL SDL_MapRGBA +(const SDL_PixelFormat * const format, + const Uint8 r, const Uint8 g, const Uint8 b, const Uint8 a); -/* +/** * Maps a pixel value into the RGB components for a given pixel format */ -extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, SDL_PixelFormat *fmt, +extern DECLSPEC void SDLCALL SDL_GetRGB(Uint32 pixel, + const SDL_PixelFormat * const fmt, Uint8 *r, Uint8 *g, Uint8 *b); -/* +/** * Maps a pixel value into the RGBA components for a given pixel format */ -extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, SDL_PixelFormat *fmt, - Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a); +extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, + const SDL_PixelFormat * const fmt, + Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a); -/* +/** @sa SDL_CreateRGBSurface */ +#define SDL_AllocSurface SDL_CreateRGBSurface +/** * Allocate and free an RGB surface (must be called after SDL_SetVideoMode) * If the depth is 4 or 8 bits, an empty palette is allocated for the surface. * If the depth is greater than 8 bits, the pixel format is set using the @@ -501,16 +550,16 @@ extern DECLSPEC void SDLCALL SDL_GetRGBA(Uint32 pixel, SDL_PixelFormat *fmt, * reason the surface could not be placed in video memory, it will not have * the SDL_HWSURFACE flag set, and will be created in system memory instead. */ -#define SDL_AllocSurface SDL_CreateRGBSurface extern DECLSPEC SDL_Surface * SDLCALL SDL_CreateRGBSurface (Uint32 flags, int width, int height, int depth, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask); +/** @sa SDL_CreateRGBSurface */ extern DECLSPEC SDL_Surface * SDLCALL SDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pitch, Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask); extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface *surface); -/* +/** * SDL_LockSurface() sets up a surface for directly accessing the pixels. * Between calls to SDL_LockSurface()/SDL_UnlockSurface(), you can write * to and read from 'surface->pixels', using the pixel format stored in @@ -531,7 +580,7 @@ extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface *surface); extern DECLSPEC int SDLCALL SDL_LockSurface(SDL_Surface *surface); extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface *surface); -/* +/** * Load a surface from a seekable SDL data source (memory or file.) * If 'freesrc' is non-zero, the source will be closed after being read. * Returns the new surface, or NULL if there was an error. @@ -539,10 +588,10 @@ extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface *surface); */ extern DECLSPEC SDL_Surface * SDLCALL SDL_LoadBMP_RW(SDL_RWops *src, int freesrc); -/* Convenience macro -- load a surface from a file */ +/** Convenience macro -- load a surface from a file */ #define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1) -/* +/** * Save a surface to a seekable SDL data source (memory or file.) * If 'freedst' is non-zero, the source will be closed after being written. * Returns 0 if successful or -1 if there was an error. @@ -550,11 +599,11 @@ extern DECLSPEC SDL_Surface * SDLCALL SDL_LoadBMP_RW(SDL_RWops *src, int freesrc extern DECLSPEC int SDLCALL SDL_SaveBMP_RW (SDL_Surface *surface, SDL_RWops *dst, int freedst); -/* Convenience macro -- save a surface to a file */ +/** Convenience macro -- save a surface to a file */ #define SDL_SaveBMP(surface, file) \ SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1) -/* +/** * Sets the color key (transparent pixel) in a blittable surface. * If 'flag' is SDL_SRCCOLORKEY (optionally OR'd with SDL_RLEACCEL), * 'key' will be the transparent pixel in the source image of a blit. @@ -566,7 +615,7 @@ extern DECLSPEC int SDLCALL SDL_SaveBMP_RW extern DECLSPEC int SDLCALL SDL_SetColorKey (SDL_Surface *surface, Uint32 flag, Uint32 key); -/* +/** * This function sets the alpha value for the entire surface, as opposed to * using the alpha component of each pixel. This value measures the range * of transparency of the surface, 0 being completely transparent to 255 @@ -583,7 +632,7 @@ extern DECLSPEC int SDLCALL SDL_SetColorKey */ extern DECLSPEC int SDLCALL SDL_SetAlpha(SDL_Surface *surface, Uint32 flag, Uint8 alpha); -/* +/** * Sets the clipping rectangle for the destination surface in a blit. * * If the clip rectangle is NULL, clipping will be disabled. @@ -597,14 +646,14 @@ extern DECLSPEC int SDLCALL SDL_SetAlpha(SDL_Surface *surface, Uint32 flag, Uint */ extern DECLSPEC SDL_bool SDLCALL SDL_SetClipRect(SDL_Surface *surface, const SDL_Rect *rect); -/* +/** * Gets the clipping rectangle for the destination surface in a blit. * 'rect' must be a pointer to a valid rectangle which will be filled * with the correct values. */ extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface *surface, SDL_Rect *rect); -/* +/** * Creates a new surface of the specified format, and then copies and maps * the given surface to it so the blit of the converted surface will be as * fast as possible. If this function fails, it returns NULL. @@ -619,7 +668,7 @@ extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface *surface, SDL_Rect *rec extern DECLSPEC SDL_Surface * SDLCALL SDL_ConvertSurface (SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags); -/* +/** * This performs a fast blit from the source surface to the destination * surface. It assumes that the source and destination rectangles are * the same size. If either 'srcrect' or 'dstrect' are NULL, the entire @@ -675,35 +724,38 @@ extern DECLSPEC SDL_Surface * SDLCALL SDL_ConvertSurface * If either of the surfaces were in video memory, and the blit returns -2, * the video memory was lost, so it should be reloaded with artwork and * re-blitted: - while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) { - while ( SDL_LockSurface(image) < 0 ) - Sleep(10); - -- Write image pixels to image->pixels -- - SDL_UnlockSurface(image); - } + * @code + * while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) { + * while ( SDL_LockSurface(image) < 0 ) + * Sleep(10); + * -- Write image pixels to image->pixels -- + * SDL_UnlockSurface(image); + * } + * @endcode + * * This happens under DirectX 5.0 when the system switches away from your * fullscreen application. The lock will also fail until you have access * to the video memory again. + * + * You should call SDL_BlitSurface() unless you know exactly how SDL + * blitting works internally and how to use the other blit functions. */ -/* You should call SDL_BlitSurface() unless you know exactly how SDL - blitting works internally and how to use the other blit functions. -*/ #define SDL_BlitSurface SDL_UpperBlit -/* This is the public blit function, SDL_BlitSurface(), and it performs - rectangle validation and clipping before passing it to SDL_LowerBlit() -*/ +/** This is the public blit function, SDL_BlitSurface(), and it performs + * rectangle validation and clipping before passing it to SDL_LowerBlit() + */ extern DECLSPEC int SDLCALL SDL_UpperBlit (SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect); -/* This is a semi-private blit function and it performs low-level surface - blitting only. -*/ +/** This is a semi-private blit function and it performs low-level surface + * blitting only. + */ extern DECLSPEC int SDLCALL SDL_LowerBlit (SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect); -/* +/** * This function performs a fast fill of the given rectangle with 'color' * The given rectangle is clipped to the destination surface clip area * and the final fill rectangle is saved in the passed in pointer. @@ -715,7 +767,7 @@ extern DECLSPEC int SDLCALL SDL_LowerBlit extern DECLSPEC int SDLCALL SDL_FillRect (SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color); -/* +/** * This function takes a surface and copies it to a new surface of the * pixel format and colors of the video framebuffer, suitable for fast * blitting onto the display surface. It calls SDL_ConvertSurface() @@ -728,7 +780,7 @@ extern DECLSPEC int SDLCALL SDL_FillRect */ extern DECLSPEC SDL_Surface * SDLCALL SDL_DisplayFormat(SDL_Surface *surface); -/* +/** * This function takes a surface and copies it to a new surface of the * pixel format and colors of the video framebuffer (if possible), * suitable for fast alpha blitting onto the display surface. @@ -744,38 +796,39 @@ extern DECLSPEC SDL_Surface * SDLCALL SDL_DisplayFormatAlpha(SDL_Surface *surfac /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -/* YUV video surface overlay functions */ +/** @name YUV video surface overlay functions */ /*@{*/ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -/* This function creates a video output overlay - Calling the returned surface an overlay is something of a misnomer because - the contents of the display surface underneath the area where the overlay - is shown is undefined - it may be overwritten with the converted YUV data. -*/ +/** This function creates a video output overlay + * Calling the returned surface an overlay is something of a misnomer because + * the contents of the display surface underneath the area where the overlay + * is shown is undefined - it may be overwritten with the converted YUV data. + */ extern DECLSPEC SDL_Overlay * SDLCALL SDL_CreateYUVOverlay(int width, int height, Uint32 format, SDL_Surface *display); -/* Lock an overlay for direct access, and unlock it when you are done */ +/** Lock an overlay for direct access, and unlock it when you are done */ extern DECLSPEC int SDLCALL SDL_LockYUVOverlay(SDL_Overlay *overlay); extern DECLSPEC void SDLCALL SDL_UnlockYUVOverlay(SDL_Overlay *overlay); -/* Blit a video overlay to the display surface. - The contents of the video surface underneath the blit destination are - not defined. - The width and height of the destination rectangle may be different from - that of the overlay, but currently only 2x scaling is supported. -*/ +/** Blit a video overlay to the display surface. + * The contents of the video surface underneath the blit destination are + * not defined. + * The width and height of the destination rectangle may be different from + * that of the overlay, but currently only 2x scaling is supported. + */ extern DECLSPEC int SDLCALL SDL_DisplayYUVOverlay(SDL_Overlay *overlay, SDL_Rect *dstrect); -/* Free a video overlay */ +/** Free a video overlay */ extern DECLSPEC void SDLCALL SDL_FreeYUVOverlay(SDL_Overlay *overlay); +/*@}*/ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -/* OpenGL support functions. */ +/** @name OpenGL support functions. */ /*@{*/ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -/* +/** * Dynamically load an OpenGL library, or the default one if path is NULL * * If you do this, you need to retrieve all of the GL functions used in @@ -783,17 +836,17 @@ extern DECLSPEC void SDLCALL SDL_FreeYUVOverlay(SDL_Overlay *overlay); */ extern DECLSPEC int SDLCALL SDL_GL_LoadLibrary(const char *path); -/* +/** * Get the address of a GL function */ extern DECLSPEC void * SDLCALL SDL_GL_GetProcAddress(const char* proc); -/* +/** * Set an attribute of the OpenGL subsystem before intialization. */ extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value); -/* +/** * Get an attribute of the OpenGL subsystem from the windowing * interface, such as glX. This is of course different from getting * the values from SDL's internal OpenGL subsystem, which only @@ -804,30 +857,38 @@ extern DECLSPEC int SDLCALL SDL_GL_SetAttribute(SDL_GLattr attr, int value); */ extern DECLSPEC int SDLCALL SDL_GL_GetAttribute(SDL_GLattr attr, int* value); -/* +/** * Swap the OpenGL buffers, if double-buffering is supported. */ extern DECLSPEC void SDLCALL SDL_GL_SwapBuffers(void); -/* +/** @name OpenGL Internal Functions * Internal functions that should not be called unless you have read * and understood the source code for these functions. */ +/*@{*/ extern DECLSPEC void SDLCALL SDL_GL_UpdateRects(int numrects, SDL_Rect* rects); extern DECLSPEC void SDLCALL SDL_GL_Lock(void); extern DECLSPEC void SDLCALL SDL_GL_Unlock(void); +/*@}*/ + +/*@}*/ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -/* These functions allow interaction with the window manager, if any. */ +/** @name Window Manager Functions */ +/** These functions allow interaction with the window manager, if any. */ /*@{*/ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -/* - * Sets/Gets the title and icon text of the display window (UTF-8 encoded) +/** + * Sets the title and icon text of the display window (UTF-8 encoded) */ extern DECLSPEC void SDLCALL SDL_WM_SetCaption(const char *title, const char *icon); +/** + * Gets the title and icon text of the display window (UTF-8 encoded) + */ extern DECLSPEC void SDLCALL SDL_WM_GetCaption(char **title, char **icon); -/* +/** * Sets the icon for the display window. * This function must be called before the first call to SDL_SetVideoMode(). * It takes an icon surface, and a mask in MSB format. @@ -835,14 +896,14 @@ extern DECLSPEC void SDLCALL SDL_WM_GetCaption(char **title, char **icon); */ extern DECLSPEC void SDLCALL SDL_WM_SetIcon(SDL_Surface *icon, Uint8 *mask); -/* +/** * This function iconifies the window, and returns 1 if it succeeded. * If the function succeeds, it generates an SDL_APPACTIVE loss event. * This function is a noop and returns 0 in non-windowed environments. */ extern DECLSPEC int SDLCALL SDL_WM_IconifyWindow(void); -/* +/** * Toggle fullscreen mode without changing the contents of the screen. * If the display surface does not require locking before accessing * the pixel information, then the memory pointers will not change. @@ -859,24 +920,25 @@ extern DECLSPEC int SDLCALL SDL_WM_IconifyWindow(void); */ extern DECLSPEC int SDLCALL SDL_WM_ToggleFullScreen(SDL_Surface *surface); -/* - * This function allows you to set and query the input grab state of - * the application. It returns the new input grab state. - */ typedef enum { SDL_GRAB_QUERY = -1, SDL_GRAB_OFF = 0, SDL_GRAB_ON = 1, - SDL_GRAB_FULLSCREEN /* Used internally */ + SDL_GRAB_FULLSCREEN /**< Used internally */ } SDL_GrabMode; -/* +/** + * This function allows you to set and query the input grab state of + * the application. It returns the new input grab state. + * * Grabbing means that the mouse is confined to the application window, * and nearly all keyboard input is passed directly to the application, * and not interpreted by a window manager, if any. */ extern DECLSPEC SDL_GrabMode SDLCALL SDL_WM_GrabInput(SDL_GrabMode mode); -/* Not in public API at the moment - do not use! */ +/*@}*/ + +/** @internal Not in public API at the moment - do not use! */ extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect); |