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/*
* 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:
*/
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