annotate src/video/SDL_pixels_c.h @ 571:8e3ce997621c

Date: Thu, 16 Jan 2003 13:48:31 +0200 From: "Mike Gorchak" Subject: All QNX patches whole patches concerning QNX. Almost all code has been rewritten by Julian and me. Added initial support for hw overlays in QNX and many many others fixes. P.S. This patches has been reviewed by Dave Rempel from QSSL and included in SDL 1.2.5 distribution, which coming on 3rd party CD for newest 6.2.1 version of QNX, which will be available soon.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 20 Jan 2003 01:38:37 +0000
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children b8d311d90021
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* Useful functions and variables from SDL_pixel.c */
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29
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30 #include "SDL_blit.h"
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31
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32 /* Pixel format functions */
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33 extern SDL_PixelFormat *SDL_AllocFormat(int bpp,
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34 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
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35 extern SDL_PixelFormat *SDL_ReallocFormat(SDL_Surface *surface, int bpp,
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36 Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask);
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37 extern void SDL_FormatChanged(SDL_Surface *surface);
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38 extern void SDL_FreeFormat(SDL_PixelFormat *format);
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39
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40 /* Blit mapping functions */
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41 extern SDL_BlitMap *SDL_AllocBlitMap(void);
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42 extern void SDL_InvalidateMap(SDL_BlitMap *map);
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43 extern int SDL_MapSurface (SDL_Surface *src, SDL_Surface *dst);
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44 extern void SDL_FreeBlitMap(SDL_BlitMap *map);
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45
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46 /* Miscellaneous functions */
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47 extern Uint16 SDL_CalculatePitch(SDL_Surface *surface);
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48 extern void SDL_DitherColors(SDL_Color *colors, int bpp);
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49 extern Uint8 SDL_FindColor(SDL_Palette *pal, Uint8 r, Uint8 g, Uint8 b);
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50 extern void SDL_ApplyGamma(Uint16 *gamma, SDL_Color *colors, SDL_Color *output, int ncolors);