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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on Labyrinth of Time code with assistance of
*
* Copyright (c) 1993 Terra Nova Development
* Copyright (c) 2004 The Wyrmkeep Entertainment Co.
*
*/
#ifndef LAB_DIFF_H
#define LAB_DIFF_H
#include "lab/stddefines.h"
#include "common/file.h"
namespace Lab {
struct DIFFHeader {
uint16 Version, x, y;
char depth, fps;
uint32 BufferSize;
uint16 Machine;
uint32 Flags;
};
struct BitMap {
uint16 BytesPerRow, Rows;
byte Flags;
byte *Planes[16];
};
#define BITMAPF_VIDEO (1<<7)
/* unDiff.c */
void initOffsets(uint16 bytesperrow);
bool unDIFFMemory(byte *Dest, /* Where to Un-DIFF */
byte *diff, /* The DIFFed code. */
uint16 HeaderSize, /* Size of header (1, 2 or 4 bytes)
(only supports 1 currently */
uint16 CopySize); /* Size of minimum copy or skip.
(1, 2 or 4 bytes) */
bool VUnDIFFMemory(byte *Dest, byte *diff, uint16 HeaderSize, uint16 CopySize, uint16 bytesperrow);
void runLengthDecode(byte *Dest, byte *Source);
void VRunLengthDecode(byte *Dest, byte *Source, uint16 bytesperrow);
/* readDiff.c */
void blackScreen();
void blackAllScreen();
void whiteScreen();
bool readDiff(bool playonce);
void diffNextFrame();
void readSound(bool waitTillFinished, Common::File *file);
void stopDiff();
void stopDiffEnd();
void stopSound();
} // End of namespace Lab
#endif /* LAB_DIFF_H */
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