lib/png.h

   1 /* png.h
   2
   3    Copyright (c) 2003/2004/2005 Matthias Kramm <kramm@quiss.org>
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  18
  19 #ifndef __png_h__
  20 #define __png_h__
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25
  26 int png_apply_filter_32(unsigned char*dest, unsigned char*src, unsigned width, int y);
  27 void png_inverse_filter_32(int mode, unsigned char*src, unsigned char*old, unsigned char*dest, unsigned width);
  28
  29 int png_load(const char*sname, unsigned*destwidth, unsigned*destheight, unsigned char**destdata);
  30 int png_getdimensions(const char*sname, unsigned*destwidth, unsigned*destheight);
  31
  32 void png_write_palette_based(const char*filename, unsigned char*data, unsigned width, unsigned height, int numcolors);
  33
  34 void png_write(const char*filename, unsigned char*data, unsigned width, unsigned height);
  35 void png_write_quick(const char*filename, unsigned char*data, unsigned width, unsigned height);
  36 void png_write_palette_based_2(const char*filename, unsigned char*data, unsigned width, unsigned height);
  37
  38 #ifdef __cplusplus
  39 }
  40 #endif
  41
  42 #endif
  43