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view src/video/SDL_pixels_c.h @ 4573:6399178be313

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Completed work on X11_CreateTexture. Added lots of safety features. These include support for drawing a texture using the core protocol while other textures are drawn using Xrender if Xrender does not support the color format of the said texture or any other fault with Xrender.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Fri, 28 May 2010 20:40:09 +0530
parents f7b03b6838cb
children fb424691cfc7
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2010 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

/* 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_InitFormat(SDL_PixelFormat * format, 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 int 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);
/* vi: set ts=4 sw=4 expandtab: */