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47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* FreeLoader
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* Copyright (C) 1998-2003 Brian Palmer <[email protected]>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __VIDEO_H
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#define __VIDEO_H
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typedef struct
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{
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UCHAR Red;
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UCHAR Green;
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UCHAR Blue;
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} PACKED PALETTE_ENTRY, *PPALETTE_ENTRY;
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extern PVOID VideoOffScreenBuffer;
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USHORT BiosIsVesaSupported(VOID); // Implemented in i386vid.c, returns the VESA version
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PVOID VideoAllocateOffScreenBuffer(VOID); // Returns a pointer to an off-screen buffer sufficient for the current video mode
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VOID VideoCopyOffScreenBufferToVRAM(VOID);
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VOID VideoSavePaletteState(PPALETTE_ENTRY Palette, ULONG ColorCount);
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VOID VideoRestorePaletteState(PPALETTE_ENTRY Palette, ULONG ColorCount);
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VOID VideoSetAllColorsToBlack(ULONG ColorCount);
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VOID VideoFadeIn(PPALETTE_ENTRY Palette, ULONG ColorCount);
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VOID VideoFadeOut(ULONG ColorCount);
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#endif // defined __VIDEO_H
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