/* exif-data.h
 *
 * Copyright (C) 2001 Lutz Müller <lutz@users.sourceforge.net>
 *
 * 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 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 __EXIF_DATA_H__
#define __EXIF_DATA_H__

#ifdef __cplusplus
extern          "C"
{
#endif				/* __cplusplus */

#include "exif-tag.h"
#include "exif-byte-order.h"
#include "exif-ifd.h"

    typedef struct _ExifData ExifData;
    typedef struct _ExifDataPrivate ExifDataPrivate;

#include "exif-content.h"

    struct _ExifData
    {
	ExifContent    *ifd[EXIF_IFD_COUNT];

	unsigned char  *data;
	unsigned int    size;

	ExifDataPrivate *priv;
    };

    ExifData       *exif_data_new (void);
    ExifData       *exif_data_new_from_file (const char *path);
    ExifData       *exif_data_new_from_data (const unsigned char *data,
					     unsigned int size);

    void            exif_data_load_data (ExifData * data,
					 const unsigned char *d,
					 unsigned int size);
    void            exif_data_save_data (ExifData * data, unsigned char **d,
					 unsigned int *size);

    void            exif_data_ref (ExifData * data);
    void            exif_data_unref (ExifData * data);
    void            exif_data_free (ExifData * data);

    ExifByteOrder   exif_data_get_byte_order (ExifData * data);
    void            exif_data_set_byte_order (ExifData * data,
					      ExifByteOrder order);

    typedef void    (*ExifDataForeachContentFunc) (ExifContent *,
						   void *user_data);
    void            exif_data_foreach_content (ExifData * data,
					       ExifDataForeachContentFunc
					       func, void *user_data);

    void            exif_data_dump (ExifData * data);

#ifdef __cplusplus
}
#endif				/* __cplusplus */

#endif				/* __EXIF_DATA_H__ */
