gimp/plug-ins/file-dds/mipmap.h

76 lines
3.9 KiB
C

/*
* DDS GIMP plugin
*
* Copyright (C) 2004-2012 Shawn Kirst <skirst@gmail.com>,
* with parts (C) 2003 Arne Reuter <homepage@arnereuter.de> where specified.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __MIPMAP_H__
#define __MIPMAP_H__
int get_num_mipmaps (int width,
int height);
unsigned int get_mipmapped_size (int width,
int height,
int bpp,
int level,
int num,
int format);
unsigned int get_volume_mipmapped_size (int width,
int height,
int depth,
int bpp,
int level,
int num,
int format);
int get_next_mipmap_dimensions (int *next_w,
int *next_h,
int curr_w,
int curr_h);
float cubic_interpolate (float a,
float b,
float c,
float d,
float x);
int generate_mipmaps (unsigned char *dst,
unsigned char *src,
unsigned int width,
unsigned int height,
int bpp,
int indexed,
int mipmaps,
int filter,
int wrap,
int gamma_correct,
float gamma,
int preserve_alpha_test_coverage,
float alpha_test_threshold);
int generate_volume_mipmaps (unsigned char *dst,
unsigned char *src,
unsigned int width,
unsigned int height,
unsigned int depth,
int bpp,
int indexed,
int mipmaps,
int filter,
int wrap,
int gamma_correct,
float gamma);
#endif /* __MIPMAP_H__ */