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pgm_io.h

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00001 
00014 /* This library is free software; you can redistribute it and/or
00015    modify it under the terms of the GNU Lesser General Public
00016    License as published by the Free Software Foundation; either
00017    version 2.1 of the License, or (at your option) any later version.
00018 
00019    This library is distributed in the hope that it will be useful,
00020    but WITHOUT ANY WARRANTY; without even the implied warranty of
00021    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00022    Lesser General Public License for more details.
00023 
00024    You should have received a copy of the GNU Lesser General Public
00025    License along with this library; if not, write to the Free Software
00026    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00027 */
00028 
00029 #ifndef _GAN_IMAGE_PGM_IO_H
00030 #define _GAN_IMAGE_PGM_IO_H
00031 
00032 #include <stdio.h>
00033 #include <gandalf/common/misc_defs.h>
00034 #include <gandalf/image/image_defs.h>
00035 
00036 #ifdef __cplusplus
00037 extern "C" {
00038 #endif
00039 
00050 /* forward declaration */
00051 struct Gan_ImageReadControlStruct;
00052 struct Gan_ImageHeaderStruct;
00053 struct Gan_ImageWriteControlStruct;
00054 
00055 /* Prototypes for public functions in pgm_io.c */
00056  Gan_Bool gan_image_is_pgm(const unsigned char *magic_string, size_t length);
00057  Gan_Image *gan_read_pgm_image_stream ( FILE *infile, Gan_Image *image, const struct Gan_ImageReadControlStruct *ictrlstr, struct Gan_ImageHeaderStruct *header );
00058  Gan_Image *gan_read_pgm_image ( const char *filename, Gan_Image *image, const struct Gan_ImageReadControlStruct *ictrlstr, struct Gan_ImageHeaderStruct *header );
00059  Gan_Bool   gan_write_pgm_image_stream ( FILE *outfile, const Gan_Image *image, Gan_Bool new_file, const struct Gan_ImageWriteControlStruct *octrlstr );
00060  Gan_Bool   gan_write_pgm_image ( const char *filename, const Gan_Image *image, const struct Gan_ImageWriteControlStruct *octrlstr );
00061 
00070 #ifdef __cplusplus
00071 }
00072 #endif
00073 
00074 #endif /* #ifndef _GAN_IMAGE_PGM_IO_H */

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