include/loaders/GP_Loaders.h

   1 /*****************************************************************************
   2  * This file is part of gfxprim library.                                     *
   3  *                                                                           *
   4  * Gfxprim is free software; you can redistribute it and/or                  *
   5  * modify it under the terms of the GNU Lesser General Public                *
   6  * License as published by the Free Software Foundation; either              *
   7  * version 2.1 of the License, or (at your option) any later version.        *
   8  *                                                                           *
   9  * Gfxprim is distributed in the hope that it will be useful,                *
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  12  * Lesser General Public License for more details.                           *
  13  *                                                                           *
  14  * You should have received a copy of the GNU Lesser General Public          *
  15  * License along with gfxprim; if not, write to the Free Software            *
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                        *
  17  * Boston, MA  02110-1301  USA                                               *
  18  *                                                                           *
  19  * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos                            *
  20  *                         <jiri.bluebear.dluhos@gmail.com>                  *
  21  *                                                                           *
  22  * Copyright (C) 2009-2012 Cyril Hrubis <metan@ucw.cz>                       *
  23  *                                                                           *
  24  *****************************************************************************/
  25
  26  /*
  27
  28    Core include file for loaders API.
  29
  30   */
  31
  32 #ifndef LOADERS_GP_LOADERS_H
  33 #define LOADERS_GP_LOADERS_H
  34
  35 #include "core/GP_Context.h"
  36 #include "core/GP_ProgressCallback.h"
  37
  38 #include "GP_PBM.h"
  39 #include "GP_PGM.h"
  40 #include "GP_PPM.h"
  41
  42 #include "GP_BMP.h"
  43 #include "GP_PNG.h"
  44 #include "GP_JPG.h"
  45 #include "GP_GIF.h"
  46
  47 #include "GP_MetaData.h"
  48
  49 /*
  50  * Tries to load image accordingly to the file extension.
  51  *
  52  * If operation fails NULL is returned and errno is filled.
  53  */
  54 GP_Context *GP_LoadImage(const char *src_path, GP_ProgressCallback *callback);
  55
  56 /*
  57  * Loads image Meta Data (if possible).
  58  */
  59 int GP_LoadMetaData(const char *src_path, GP_MetaData *data);
  60
  61 /*
  62  * Simple saving function, the image format is matched by file extension.
  63  *
  64  * Retruns zero on succes.
  65  *
  66  * On failure non-zero is returned.
  67  *
  68  * When file type wasn't recognized by extension or if support for requested
  69  * image format wasn't compiled in non-zero is returned and errno is set to
  70  * ENOSYS.
  71  *
  72  * The resulting errno may also be set to any possible error from fopen(3), open(3),
  73  * write(3), fwrite(3), seek(3), etc..
  74  */
  75 int GP_SaveImage(const GP_Context *src, const char *dst_path,
  76                  GP_ProgressCallback *callback);
  77
  78 #endif /* LOADERS_GP_LOADERS_H */