/usr/include/geotiff/geo_keyp.h is in libgeotiff-dev 1.4.2-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* geo_keyp.h - private interface for GeoTIFF geokey tag parsing
*
* Written by: Niles D. Ritter
*
* copyright (c) 1995 Niles D. Ritter
*
* Permission granted to use this software, so long as this copyright
* notice accompanies any products derived therefrom.
**********************************************************************/
#ifndef LIBGEOTIFF_GEO_KEYP_H_
#define LIBGEOTIFF_GEO_KEYP_H_
#include <stdlib.h> /* for size_t */
/*
* This structure contains the internal program
* representation of the key entry.
*/
struct GeoKey {
int gk_key; /* GeoKey ID */
size_t gk_size; /* data byte size */
tagtype_t gk_type; /* TIFF data type */
long gk_count; /* number of values */
char* gk_data; /* pointer to data, or value */
};
typedef struct GeoKey GeoKey;
/*
* This structure represents the file-organization of
* the key entry. Note that it assumes that short entries
* are aligned along 2-byte boundaries.
*/
struct KeyEntry {
pinfo_t ent_key; /* GeoKey ID */
pinfo_t ent_location; /* TIFF Tag ID or 0 */
pinfo_t ent_count; /* GeoKey value count */
pinfo_t ent_val_offset; /* value or tag offset */
};
typedef struct KeyEntry KeyEntry;
/*
* This is the header of the CoordSystemInfoTag. The 'Version'
* will only change if the CoorSystemInfoTag structure changes;
* The Major Revision will be incremented whenever a new set of
* Keys is added or changed, while the Minor revision will be
* incremented when only the set of Key-values is increased.
*/
struct KeyHeader{
pinfo_t hdr_version; /* GeoTIFF Version */
pinfo_t hdr_rev_major; /* GeoKey Major Revision # */
pinfo_t hdr_rev_minor; /* GeoKey Minor Revision # */
pinfo_t hdr_num_keys; /* Number of GeoKeys */
};
typedef struct KeyHeader KeyHeader;
/*
* This structure holds temporary data while reading or writing
* the tags.
*/
struct TempKeyData {
char *tk_asciiParams;
int tk_asciiParamsLength;
int tk_asciiParamsOffset;
};
typedef struct TempKeyData TempKeyData;
struct gtiff {
tiff_t* gt_tif; /* TIFF file descriptor */
struct _TIFFMethod gt_methods; /* TIFF i/o methods */
int gt_flags; /* file flags */
pinfo_t gt_version; /* GeoTIFF Version */
pinfo_t gt_rev_major;/* GeoKey Key Revision */
pinfo_t gt_rev_minor;/* GeoKey Code Revision */
int gt_num_keys; /* number of keys */
GeoKey* gt_keys; /* array of keys */
int* gt_keyindex; /* index of a key, if set*/
int gt_keymin; /* smallest key set */
int gt_keymax; /* largest key set */
pinfo_t* gt_short; /* array of SHORT vals */
double* gt_double; /* array of DOUBLE vals */
int gt_nshorts; /* number of SHORT vals */
int gt_ndoubles; /* number of DOUBLE vals */
};
typedef enum {
FLAG_FILE_OPEN=1,
FLAG_FILE_MODIFIED=2
} gtiff_flags;
#define MAX_KEYINDEX 65535 /* largest possible key */
#define MAX_KEYS 100 /* maximum keys in a file */
#define MAX_VALUES 1000 /* maximum values in a tag */
#endif /* LIBGEOTIFF_GEO_KEYP_H_ */
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