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__ */ |