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816bd9a7ea
Add ARM only aspect ratio correcting version of Normal2x scaler. Make WinCE port use Normal2x by default if the screen is large enough. Make WinCE port use aspect ratio correcting version if panel is hidden. svn-id: r42843
102 lines
2.9 KiB
C
102 lines
2.9 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(_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(Normal1x);
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DECLARE_SCALER(Normal2x);
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#ifdef USE_ARM_SCALER_ASM
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DECLARE_SCALER(Normal2xAspect);
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#endif
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DECLARE_SCALER(Normal3x);
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DECLARE_SCALER(Normal1o5x);
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DECLARE_SCALER(TV2x);
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DECLARE_SCALER(DotMatrix);
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#ifndef DISABLE_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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FORCEINLINE int real2Aspect(int y) {
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return y + (y + 1) / 5;
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}
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FORCEINLINE int aspect2Real(int y) {
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return (y * 5 + 4) / 6;
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}
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extern void makeRectStretchable(int &x, int &y, int &w, int &h);
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extern int stretch200To240(uint8 *buf, uint32 pitch, int width, int height, int srcX, int srcY, int origSrcY);
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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 occured
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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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