src/video/SDL_pixels_c.h
author Sam Lantinga <slouken@libsdl.org>
Sun, 04 Jan 2009 17:14:27 +0000
changeset 2990 502adab079a4
parent 2967 e4a469d6ddab
child 3697 f7b03b6838cb
permissions -rw-r--r--
indent
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2009 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 #include "SDL_config.h"
    23 
    24 /* Useful functions and variables from SDL_pixel.c */
    25 
    26 #include "SDL_blit.h"
    27 
    28 /* Pixel format functions */
    29 extern SDL_PixelFormat *SDL_AllocFormat(int bpp,
    30                                         Uint32 Rmask, Uint32 Gmask,
    31                                         Uint32 Bmask, Uint32 Amask);
    32 extern SDL_PixelFormat *SDL_InitFormat(SDL_PixelFormat * format, int bpp,
    33                                        Uint32 Rmask, Uint32 Gmask,
    34                                        Uint32 Bmask, Uint32 Amask);
    35 extern void SDL_FormatChanged(SDL_Surface * surface);
    36 extern void SDL_FreeFormat(SDL_PixelFormat * format);
    37 
    38 /* Blit mapping functions */
    39 extern SDL_BlitMap *SDL_AllocBlitMap(void);
    40 extern void SDL_InvalidateMap(SDL_BlitMap * map);
    41 extern int SDL_MapSurface(SDL_Surface * src, SDL_Surface * dst);
    42 extern void SDL_FreeBlitMap(SDL_BlitMap * map);
    43 
    44 /* Miscellaneous functions */
    45 extern int SDL_CalculatePitch(SDL_Surface * surface);
    46 extern void SDL_DitherColors(SDL_Color * colors, int bpp);
    47 extern Uint8 SDL_FindColor(SDL_Palette * pal, Uint8 r, Uint8 g, Uint8 b);
    48 extern void SDL_ApplyGamma(Uint16 * gamma, SDL_Color * colors,
    49                            SDL_Color * output, int ncolors);
    50 /* vi: set ts=4 sw=4 expandtab: */