/*

 * Private Extended TIFF library interface.

 *

 *  uses private LIBTIFF interface.

 *

 *  The portions of this module marked "XXX" should be

 *  modified to support your tags instead.

 *

 *  written by: Niles D. Ritter

 *

 */

#ifndef __xtiffiop_h

#define __xtiffiop_h

#include "tiffiop.h"

#include "xtiffio.h"

/**********************************************************************

 *               User Configuration

 **********************************************************************/

/* XXX - Define number of your extended tags here */

#define NUM_XFIELD 3

#define XFIELD_BASE (FIELD_LAST-NUM_XFIELD)

/*  XXX - Define your Tag Fields here  */

#define	FIELD_EXAMPLE_MULTI     (XFIELD_BASE+0)

#define	FIELD_EXAMPLE_SINGLE    (XFIELD_BASE+1)

#define	FIELD_EXAMPLE_ASCII      (XFIELD_BASE+2)

/* XXX - Define Private directory tag structure here */

struct XTIFFDirectory {

	uint16	 xd_num_multi; /* dir-count for the multi tag */

	double*  xd_example_multi;

	uint32   xd_example_single; 

	char*    xd_example_ascii;

};

typedef struct XTIFFDirectory XTIFFDirectory;

/**********************************************************************

 *    Nothing below this line should need to be changed by the user.

 **********************************************************************/

struct xtiff {

	TIFF 		*xtif_tif;	/* parent TIFF pointer */

	uint32		xtif_flags;

#define       XTIFFP_PRINT   0x00000001

	XTIFFDirectory	xtif_dir;	/* internal rep of current directory */

	TIFFVSetMethod	xtif_vsetfield;	/* inherited tag set routine */

	TIFFVGetMethod	xtif_vgetfield;	/* inherited tag get routine */

	TIFFPrintMethod	xtif_printdir;  /* inherited dir print method */

};

typedef struct xtiff xtiff;

#define PARENT(xt,pmember) ((xt)->xtif_ ## pmember) 

#define TIFFMEMBER(tf,pmember) ((tf)->tif_ ## pmember) 

#define XTIFFDIR(tif) ((xtiff *)TIFFMEMBER(tif,clientdir))

/* Extended TIFF flags */

#define XTIFF_INITIALIZED 0x80000000

#endif /* __xtiffiop_h */

/*

 * Local Variables:

 * mode: c

 * c-basic-offset: 8

 * fill-column: 78

 * End:

 */