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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.
*
* $URL$
* $Id$
*/
#ifndef GRAPHICS_SCALER_H
#define GRAPHICS_SCALER_H
#include "common/scummsys.h"
#include "graphics/surface.h"
extern void InitScalers(uint32 BitFormat);
extern void DestroyScalers();
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(Normal1x);
#ifdef USE_SCALERS
DECLARE_SCALER(Normal2x);
DECLARE_SCALER(Normal3x);
DECLARE_SCALER(Normal1o5x);
DECLARE_SCALER(_2xSaI);
DECLARE_SCALER(Super2xSaI);
DECLARE_SCALER(SuperEagle);
DECLARE_SCALER(AdvMame2x);
DECLARE_SCALER(AdvMame3x);
DECLARE_SCALER(TV2x);
DECLARE_SCALER(DotMatrix);
#ifdef USE_HQ_SCALERS
DECLARE_SCALER(HQ2x);
DECLARE_SCALER(HQ3x);
#endif
#endif // #ifdef USE_SCALERS
// creates a 160x100 thumbnail for 320x200 games
// and 160x120 thumbnail for 320x240 and 640x480 games
// only 565 mode
enum {
kThumbnailWidth = 160,
kThumbnailHeight1 = 100,
kThumbnailHeight2 = 120
};
/**
* Creates a thumbnail from the current screen (without overlay).
*
* @param surf a surface (will always have 16 bpp after this for now)
* @return false if a error occured
*/
extern bool createThumbnailFromScreen(Graphics::Surface *surf);
/**
* Creates a thumbnail from a buffer.
*
* @param surf destination surface (will always have 16 bpp after this for now)
* @param pixels raw pixel data
* @param w width
* @param h height
* @param palette palette in RGB format
*/
extern bool createThumbnail(Graphics::Surface *surf, const uint8 *pixels, int w, int h, const uint8 *palette);
#endif
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