[mupen64plus-pandora.git] / source / gles2glide64 / src / GlideHQ / TxReSample.h

/*
 * 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__ */
Commit	Line	Data
98e75f2d	1	/*
	2	* Texture Filtering
	3	* Version: 1.0
	4	*
	5	* Copyright (C) 2007 Hiroshi Morii All Rights Reserved.
	6	* Email koolsmoky(at)users.sourceforge.net
	7	* Web http://www.3dfxzone.it/koolsmoky
	8	*
	9	* this is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2, or (at your option)
	12	* any later version.
	13	*
	14	* this is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with GNU Make; see the file COPYING. If not, write to
	21	* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
	22	*/
	23
	24	#ifndef __TXRESAMPLE_H__
	25	#define __TXRESAMPLE_H__
	26
	27	#include "TxInternal.h"
	28
	29	class TxReSample
	30	{
	31	private:
	32	double tent(double x);
	33	double gaussian(double x);
	34	double sinc(double x);
	35	double lanczos3(double x);
	36	double mitchell(double x);
	37	double besselI0(double x);
	38	double kaiser(double x);
	39	public:
	40	boolean minify(uint8 *src, int width, int *height, int ratio);
	41	boolean nextPow2(uint8** image, int* width, int* height, int bpp, boolean use_3dfx);
	42	int nextPow2(int num);
	43	};
	44
	45	#endif /* __TXRESAMPLE_H__ */