wrlib/imgformat.h

   1 /*
   2  * Raster graphics library
   3  *
   4  * Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Library General Public
   8  *  License as published by the Free Software Foundation; either
   9  *  version 2 of the License, or (at your option) any later version.
  10  *
  11  *  This library is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Library General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Library General Public
  17  *  License along with this library; if not, write to the Free
  18  *  Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  19  *  MA 02110-1301, USA.
  20  */
  21
  22 /*
  23  * Functions to load and save RImage from/to file in a specific file format
  24  *
  25  * These functions are for WRaster library's internal use only, please use
  26  * the RLoadImage function defined in 'wraster.h'
  27  */
  28
  29 #ifndef IMGFORMAT_INTERNAL_H
  30 #define IMGFORMAT_INTERNAL_H
  31
  32
  33 typedef enum {
  34         IM_ERROR   = -1,
  35         IM_UNKNOWN =  0,
  36         IM_XPM     =  1,
  37         IM_TIFF    =  2,
  38         IM_PNG     =  3,
  39         IM_PPM     =  4,
  40         IM_JPEG    =  5,
  41         IM_GIF     =  6
  42 } WRImgFormat;
  43
  44 /* How many image types we have. */
  45 /* Increase this when adding new image types! */
  46 #define IM_TYPES    6
  47
  48 /*
  49  * Function for Loading in a specific format
  50  */
  51 RImage *RLoadPPM(const char *file);
  52
  53 RImage *RLoadXPM(RContext *context, const char *file);
  54
  55 #ifdef USE_TIFF
  56 RImage *RLoadTIFF(const char *file, int index);
  57 #endif
  58
  59 #ifdef USE_PNG
  60 RImage *RLoadPNG(RContext *context, const char *file);
  61 #endif
  62
  63 #ifdef USE_JPEG
  64 RImage *RLoadJPEG(const char *file);
  65 #endif
  66
  67 #ifdef USE_GIF
  68 RImage *RLoadGIF(const char *file, int index);
  69 #endif
  70
  71 /*
  72  * Function for Saving in a specific format
  73  */
  74 Bool RSaveXPM(RImage *image, const char *file);
  75
  76
  77 #endif