46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* Texture Filtering
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* Version: 1.0
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*
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* Copyright (C) 2007 Hiroshi Morii All Rights Reserved.
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* Email koolsmoky(at)users.sourceforge.net
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* Web http://www.3dfxzone.it/koolsmoky
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*
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* this is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* this 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 GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __TXRESAMPLE_H__
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#define __TXRESAMPLE_H__
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#include "TxInternal.h"
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class TxReSample
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{
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private:
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double tent(double x);
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double gaussian(double x);
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double sinc(double x);
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double lanczos3(double x);
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double mitchell(double x);
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double besselI0(double x);
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double kaiser(double x);
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public:
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boolean minify(uint8 **src, int *width, int *height, int ratio);
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boolean nextPow2(uint8** image, int* width, int* height, int bpp, boolean use_3dfx);
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int nextPow2(int num);
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};
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#endif /* __TXRESAMPLE_H__ */
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