reactos/boot/freeldr/freeldr/video/palette.c

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program 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
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include <freeldr.h>
  21 #include <video.h>
  22 #include <machine.h>
  23
  24 VOID VideoSavePaletteState(PPALETTE_ENTRY Palette, U32 ColorCount)
  25 {
  26         U32             Color;
  27
  28         for (Color=0; Color<ColorCount; Color++)
  29         {
  30                 MachVideoGetPaletteColor(Color, &Palette[Color].Red, &Palette[Color].Green, &Palette[Color].Blue);
  31         }
  32 }
  33
  34 VOID VideoRestorePaletteState(PPALETTE_ENTRY Palette, U32 ColorCount)
  35 {
  36         U32             Color;
  37
  38         MachVideoSync();
  39
  40         for (Color=0; Color<ColorCount; Color++)
  41         {
  42                 MachVideoSetPaletteColor(Color, Palette[Color].Red, Palette[Color].Green, Palette[Color].Blue);
  43         }
  44 }