text: /*
      SDL - Simple DirectMedia Layer
      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
      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"
  
  #ifndef _SDL_x11gamma_h
  #define _SDL_x11gamma_h
  
  extern int X11_SetVidModeGamma(_THIS, float red, float green, float blue);
  extern int X11_GetVidModeGamma(_THIS, float *red, float *green, float *blue);
  extern void X11_SaveVidModeGamma(_THIS);
  extern void X11_SwapVidModeGamma(_THIS);
  
  #endif
  