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96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#ifndef GRAPHICS_SCALER_H
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#define GRAPHICS_SCALER_H
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#include "common/scummsys.h"
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#include "graphics/surface.h"
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extern void InitScalers(uint32 BitFormat);
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extern void DestroyScalers();
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typedef void ScalerProc(const uint8 *srcPtr, uint32 srcPitch,
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uint8 *dstPtr, uint32 dstPitch, int width, int height);
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#define DECLARE_SCALER(x) \
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extern void x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, \
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uint32 dstPitch, int width, int height)
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DECLARE_SCALER(Normal1x);
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#ifdef USE_SCALERS
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DECLARE_SCALER(Normal2x);
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DECLARE_SCALER(Normal3x);
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DECLARE_SCALER(Normal1o5x);
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DECLARE_SCALER(_2xSaI);
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DECLARE_SCALER(Super2xSaI);
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DECLARE_SCALER(SuperEagle);
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DECLARE_SCALER(AdvMame2x);
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DECLARE_SCALER(AdvMame3x);
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DECLARE_SCALER(TV2x);
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DECLARE_SCALER(DotMatrix);
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#ifdef USE_HQ_SCALERS
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DECLARE_SCALER(HQ2x);
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DECLARE_SCALER(HQ3x);
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#endif
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#endif // #ifdef USE_SCALERS
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// creates a 160x100 thumbnail for 320x200 games
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// and 160x120 thumbnail for 320x240 and 640x480 games
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// only 565 mode
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enum {
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kThumbnailWidth = 160,
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kThumbnailHeight1 = 100,
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kThumbnailHeight2 = 120
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};
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/**
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* Creates a thumbnail from the current screen (without overlay).
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*
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* @param surf a surface (will always have 16 bpp after this for now)
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* @return false if a error occurred
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*/
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extern bool createThumbnailFromScreen(Graphics::Surface *surf);
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/**
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* Creates a thumbnail from a buffer.
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*
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* @param surf destination surface (will always have 16 bpp after this for now)
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* @param pixels raw pixel data
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* @param w width
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* @param h height
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* @param palette palette in RGB format
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*/
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extern bool createThumbnail(Graphics::Surface *surf, const uint8 *pixels, int w, int h, const uint8 *palette);
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#endif
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