project64/Source/GlideHQ/TxReSample.h

46 lines
1.4 KiB
C++

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