SDL_pixels_c.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- Sam Lantinga
- slouken@libsdl.org
- */
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_pixels_c.h,v 1.4 2002/04/22 21:38:03 wmay Exp $";
- #endif
- /* Useful functions and variables from SDL_pixel.c */
- #include "SDL_blit.h"
- /* Pixel format functions */
- extern SDL_PixelFormat *SDL_AllocFormat(int bpp,
- Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
- extern SDL_PixelFormat *SDL_ReallocFormat(SDL_Surface *surface, int bpp,
- Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
- extern void SDL_FormatChanged(SDL_Surface *surface);
- extern void SDL_FreeFormat(SDL_PixelFormat *format);
- /* Blit mapping functions */
- extern SDL_BlitMap *SDL_AllocBlitMap(void);
- extern void SDL_InvalidateMap(SDL_BlitMap *map);
- extern int SDL_MapSurface (SDL_Surface *src, SDL_Surface *dst);
- extern void SDL_FreeBlitMap(SDL_BlitMap *map);
- /* Miscellaneous functions */
- extern Uint16 SDL_CalculatePitch(SDL_Surface *surface);
- extern void SDL_DitherColors(SDL_Color *colors, int bpp);
- extern Uint8 SDL_FindColor(SDL_Palette *pal, Uint8 r, Uint8 g, Uint8 b);
- extern void SDL_ApplyGamma(Uint16 *gamma, SDL_Color *colors, SDL_Color *output, int ncolors);