Files
reactos/include/video.h
T
Aleksey Bragin 2db25525a7 Create a place for work on creating a bootloader capable of booting Windows NT (from 4.0 up to 5.2).
Base is FreeLdr from trunk r25063.

svn path=/branches/winldr/; revision=25066
2006-12-04 21:36:54 +00:00

47 lines
1.5 KiB
C

/*
* FreeLoader
* Copyright (C) 1998-2003 Brian Palmer <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __VIDEO_H
#define __VIDEO_H
typedef struct
{
UCHAR Red;
UCHAR Green;
UCHAR Blue;
} PACKED PALETTE_ENTRY, *PPALETTE_ENTRY;
extern PVOID VideoOffScreenBuffer;
USHORT BiosIsVesaSupported(VOID); // Implemented in i386vid.S, returns the VESA version
PVOID VideoAllocateOffScreenBuffer(VOID); // Returns a pointer to an off-screen buffer sufficient for the current video mode
VOID VideoCopyOffScreenBufferToVRAM(VOID);
VOID VideoSavePaletteState(PPALETTE_ENTRY Palette, ULONG ColorCount);
VOID VideoRestorePaletteState(PPALETTE_ENTRY Palette, ULONG ColorCount);
VOID VideoSetAllColorsToBlack(ULONG ColorCount);
VOID VideoFadeIn(PPALETTE_ENTRY Palette, ULONG ColorCount);
VOID VideoFadeOut(ULONG ColorCount);
#endif // defined __VIDEO_H