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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2005 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#ifndef COMMON_SCALER_H
#define COMMON_SCALER_H
#include "common/stdafx.h"
#include "common/scummsys.h"
extern void InitScalers(uint32 BitFormat);
typedef void ScalerProc(const uint8 *srcPtr, uint32 srcPitch,
uint8 *dstPtr, uint32 dstPitch, int width, int height);
#define DECLARE_SCALER(x) \
extern void x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, \
uint32 dstPitch, int width, int height)
DECLARE_SCALER(_2xSaI);
DECLARE_SCALER(Super2xSaI);
DECLARE_SCALER(SuperEagle);
DECLARE_SCALER(AdvMame2x);
DECLARE_SCALER(AdvMame3x);
DECLARE_SCALER(Normal1x);
DECLARE_SCALER(Normal2x);
DECLARE_SCALER(Normal3x);
DECLARE_SCALER(Normal1o5x);
DECLARE_SCALER(TV2x);
DECLARE_SCALER(DotMatrix);
DECLARE_SCALER(HQ2x);
DECLARE_SCALER(HQ3x);
FORCEINLINE int real2Aspect(int y) {
return y + (y + 1) / 5;
}
FORCEINLINE int aspect2Real(int y) {
return (y * 5 + 4) / 6;
}
extern void makeRectStretchable(int &x, int &y, int &w, int &h);
extern int stretch200To240(uint8 *buf, uint32 pitch, int width, int height, int srcX, int srcY, int origSrcY);
#endif
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