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LAB: Move utility functions to a separate class

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Strangerke 2015-12-07 17:46:37 +01:00 • committed by Willem Jan Palenstijn
parent 320e658cb1
commit 5bc48cbbdd
15 changed files with 621 additions and 524 deletions
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engines/lab/utils.h Normal file
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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_UTILS_H
#define LAB_UTILS_H
namespace Lab {
class Utils {
private:
LabEngine *_vm;
uint16 _dataBytesPerRow;
void unDiffByteByte(byte *dest, byte *diff);
void unDiffByteWord(uint16 *dest, uint16 *diff);
void VUnDiffByteByte(byte *Dest, byte *diff, uint16 bytesperrow);
void VUnDiffByteWord(uint16 *Dest, uint16 *diff, uint16 bytesperrow);
void VUnDiffByteLong(uint32 *Dest, uint32 *diff, uint16 bytesperrow);
public:
Utils(LabEngine *vm);
uint16 scaleX(uint16 x);
uint16 scaleY(uint16 y);
int16 vgaScaleX(int16 x);
int16 vgaScaleY(int16 y);
uint16 svgaCord(uint16 cord);
int vgaUnscaleX(int x);
int vgaUnscaleY(int y);
void unDiff(byte *newBuf, byte *oldBuf, byte *diffData, uint16 bytesperrow, bool isV);
void runLengthDecode(byte *dest, byte *source);
void VRunLengthDecode(byte *dest, byte *source, uint16 bytesPerRow);
void setBytesPerRow(int num);
};
} // End of namespace Lab
#endif // LAB_UTILS_H