include/loaders/GP_BMP.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) 2009-2014 Cyril Hrubis <metan@ucw.cz>                       *
  20  *                                                                           *
  21  *****************************************************************************/
  22
  23 #ifndef LOADERS_GP_BMP_H
  24 #define LOADERS_GP_BMP_H
  25
  26 #include "loaders/GP_Loader.h"
  27
  28 int GP_ReadBMPEx(GP_IO *io, GP_Pixmap **img, GP_DataStorage *storage,
  29                  GP_ProgressCallback *callback);
  30
  31 int GP_LoadBMPEx(const char *src_path, GP_Pixmap **img,
  32                  GP_DataStorage *storage, GP_ProgressCallback *callback);
  33
  34 /*
  35  * Reads a BMP from an IO stream.
  36  */
  37 GP_Pixmap *GP_ReadBMP(GP_IO *io, GP_ProgressCallback *callback);
  38
  39
  40 /*
  41  * Loads a BMP image from a file.
  42  */
  43 GP_Pixmap *GP_LoadBMP(const char *src_path, GP_ProgressCallback *callback);
  44
  45 /*
  46  * Writes a BMP to an IO Stream.
  47  *
  48  * Returns zero on success, non-zero on failure and errno is set.
  49  */
  50 int GP_WriteBMP(const GP_Pixmap *src, GP_IO *io,
  51                 GP_ProgressCallback *callback);
  52
  53 /*
  54  * Saves BMP to a file. Zero is returned on succes. Upon failure non-zero is
  55  * returned and errno is filled accordingly.
  56  */
  57 int GP_SaveBMP(const GP_Pixmap *src, const char *dst_path,
  58                GP_ProgressCallback *callback);
  59
  60 /*
  61  * Looks for BMP file signature. Returns non-zero if found.
  62  */
  63 int GP_MatchBMP(const void *buf);
  64
  65
  66 extern GP_Loader GP_BMP;
  67
  68 #endif /* LOADERS_GP_BMP_H */