sgi_io.h

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/* This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _GAN_IMAGE_SGI_IO_H
#define _GAN_IMAGE_SGI_IO_H

#include <stdio.h>
#include <gandalf/common/misc_defs.h>
#include <gandalf/image/image_defs.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct Gan_SGIHeaderStruct
{
   Gan_Bool dummy;
} Gan_SGIHeaderStruct;

/* forward declaration */
struct Gan_ImageReadControlStruct;
struct Gan_ImageHeaderStruct;
struct Gan_ImageWriteControlStruct;

/* Prototypes for public functions in sgi_io.c */
 Gan_Bool gan_image_is_sgi(const unsigned char *magic_string, size_t length);
 Gan_Image *gan_read_sgi_image_stream ( FILE *infile, Gan_Image *image,
                                       const struct Gan_ImageReadControlStruct *ictrlstr, struct Gan_ImageHeaderStruct *header );
 Gan_Image *gan_read_sgi_image ( const char *filename, Gan_Image *image,
                                const struct Gan_ImageReadControlStruct *ictrlstr, struct Gan_ImageHeaderStruct *header );
 void gan_initialise_sgi_header_struct(Gan_SGIHeaderStruct *octrlstr);
 Gan_Bool   gan_write_sgi_image_stream ( FILE *outfile, const Gan_Image *image, Gan_Bool new_file, const struct Gan_ImageWriteControlStruct *octrlstr );
 Gan_Bool   gan_write_sgi_image ( const char *filename, const Gan_Image *image, const struct Gan_ImageWriteControlStruct *octrlstr );

#ifdef __cplusplus
}
#endif

#endif /* #ifndef _GAN_IMAGE_SGI_IO_H */

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