mirrors/opencv
1
0
Fork 0
Code Pull Requests Packages Releases Activity

vendor: OpenCV 5.0.0 snapshot at 40738fb16ceddb5fb3fea747585f7ce6abb0605b

Browse Source
This commit is contained in:
Gitea Mirror Bot
2026-08-22 00:10:33 +08:00
commit f7f077da11
6933 changed files with 2335208 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
3rdparty/libtiff/tif_dir.h
Vendored
+365
View File
@@ -0,0 +1,365 @@
/*
* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifndef _TIFFDIR_
#define _TIFFDIR_
#include "tiff.h"
#include "tiffio.h"
/*
* ``Library-private'' Directory-related Definitions.
*/
typedef struct
{
const TIFFField *info;
int count;
void *value;
} TIFFTagValue;
/*
* TIFF Image File Directories are comprised of a table of field
* descriptors of the form shown below. The table is sorted in
* ascending order by tag. The values associated with each entry are
* disjoint and may appear anywhere in the file (so long as they are
* placed on a word boundary).
*
* If the value is 4 bytes or less, in ClassicTIFF, or 8 bytes or less in
* BigTIFF, then it is placed in the offset field to save space. If so,
* it is left-justified in the offset field.
*/
typedef struct
{
uint16_t tdir_tag; /* see below */
uint16_t tdir_type; /* data type; see below */
uint64_t tdir_count; /* number of items; length in spec */
union
{
uint16_t toff_short;
uint32_t toff_long;
uint64_t toff_long8;
} tdir_offset; /* either offset or the data itself if fits */
uint8_t tdir_ignore; /* flag status to ignore tag when parsing tags in
tif_dirread.c */
} TIFFDirEntry;
typedef struct
{
uint64_t offset;
uint64_t length;
} TIFFEntryOffsetAndLength; /* auxiliary for evaluating size of IFD data */
/*
* Internal format of a TIFF directory entry.
*/
typedef struct
{
#define FIELDSET_ITEMS 4
/* bit vector of fields that are set */
uint32_t td_fieldsset[FIELDSET_ITEMS];
uint32_t td_imagewidth, td_imagelength, td_imagedepth;
uint32_t td_tilewidth, td_tilelength, td_tiledepth;
uint32_t td_subfiletype;
uint16_t td_bitspersample;
uint16_t td_sampleformat;
uint16_t td_compression;
uint16_t td_photometric;
uint16_t td_threshholding;
uint16_t td_fillorder;
uint16_t td_orientation;
uint16_t td_samplesperpixel;
uint32_t td_rowsperstrip;
uint16_t td_minsamplevalue, td_maxsamplevalue;
double *td_sminsamplevalue;
double *td_smaxsamplevalue;
float td_xresolution, td_yresolution;
uint16_t td_resolutionunit;
uint16_t td_planarconfig;
float td_xposition, td_yposition;
uint16_t td_pagenumber[2];
uint16_t *td_colormap[3];
uint16_t td_halftonehints[2];
uint16_t td_extrasamples;
uint16_t *td_sampleinfo;
/* even though the name is misleading, td_stripsperimage is the number
* of striles (=strips or tiles) per plane, and td_nstrips the total
* number of striles */
uint32_t td_stripsperimage;
uint32_t td_nstrips; /* size of offset & bytecount arrays */
uint64_t
*td_stripoffset_p; /* should be accessed with TIFFGetStrileOffset */
uint64_t *td_stripbytecount_p; /* should be accessed with
TIFFGetStrileByteCount */
uint32_t
td_stripoffsetbyteallocsize; /* number of elements currently allocated
for td_stripoffset/td_stripbytecount.
Only used if TIFF_LAZYSTRILELOAD is set
*/
#ifdef STRIPBYTECOUNTSORTED_UNUSED
int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */
#endif
/* Be aware that the parameters of td_stripoffset_entry and
* td_stripbytecount_entry are swapped but tdir_offset is not
* and has to be swapped when used. */
TIFFDirEntry td_stripoffset_entry; /* for deferred loading */
TIFFDirEntry td_stripbytecount_entry; /* for deferred loading */
uint16_t td_nsubifd;
uint64_t *td_subifd;
/* YCbCr parameters */
uint16_t td_ycbcrsubsampling[2];
uint16_t td_ycbcrpositioning;
/* Colorimetry parameters */
uint16_t *td_transferfunction[3];
float *td_refblackwhite;
/* CMYK parameters */
int td_inknameslen;
char *td_inknames;
uint16_t td_numberofinks; /* number of inks in InkNames string */
int td_customValueCount;
TIFFTagValue *td_customValues;
unsigned char
td_deferstrilearraywriting; /* see TIFFDeferStrileArrayWriting() */
unsigned char
td_iswrittentofile; /* indicates if current IFD is present on file */
/* LibTIFF writes all data that does not fit into the IFD entries directly
* after the IFD tag entry part. When reading, only the IFD data directly
* and continuously behind the IFD tags is taken into account for the IFD
* data size.*/
uint64_t td_dirdatasize_write; /* auxiliary for evaluating size of IFD data
to be written */
uint64_t td_dirdatasize_read; /* auxiliary for evaluating size of IFD data
read from file */
uint32_t td_dirdatasize_Noffsets; /* auxiliary counter for
tif_dir.td_dirdatasize_offsets array */
TIFFEntryOffsetAndLength
*td_dirdatasize_offsets; /* auxiliary array for all offsets of IFD tag
entries with data outside the IFD tag
entries. */
} TIFFDirectory;
/*
* Field flags used to indicate fields that have been set in a directory, and
* to reference fields when manipulating a directory.
*/
/*
* FIELD_IGNORE is used to signify tags that are to be processed but otherwise
* ignored. This permits antiquated tags to be quietly read and discarded.
* Note that a bit *is* allocated for ignored tags; this is understood by the
* directory reading logic which uses this fact to avoid special-case handling
*/
#define FIELD_IGNORE 0
/* multi-item fields */
#define FIELD_IMAGEDIMENSIONS 1
#define FIELD_TILEDIMENSIONS 2
#define FIELD_RESOLUTION 3
#define FIELD_POSITION 4
/* single-item fields */
#define FIELD_SUBFILETYPE 5
#define FIELD_BITSPERSAMPLE 6
#define FIELD_COMPRESSION 7
#define FIELD_PHOTOMETRIC 8
#define FIELD_THRESHHOLDING 9
#define FIELD_FILLORDER 10
#define FIELD_ORIENTATION 15
#define FIELD_SAMPLESPERPIXEL 16
#define FIELD_ROWSPERSTRIP 17
#define FIELD_MINSAMPLEVALUE 18
#define FIELD_MAXSAMPLEVALUE 19
#define FIELD_PLANARCONFIG 20
#define FIELD_RESOLUTIONUNIT 22
#define FIELD_PAGENUMBER 23
#define FIELD_STRIPBYTECOUNTS 24
#define FIELD_STRIPOFFSETS 25
#define FIELD_COLORMAP 26
#define FIELD_EXTRASAMPLES 31
#define FIELD_SAMPLEFORMAT 32
#define FIELD_SMINSAMPLEVALUE 33
#define FIELD_SMAXSAMPLEVALUE 34
#define FIELD_IMAGEDEPTH 35
#define FIELD_TILEDEPTH 36
#define FIELD_HALFTONEHINTS 37
#define FIELD_YCBCRSUBSAMPLING 39
#define FIELD_YCBCRPOSITIONING 40
#define FIELD_REFBLACKWHITE 41
#define FIELD_TRANSFERFUNCTION 44
#define FIELD_INKNAMES 46
#define FIELD_SUBIFD 49
#define FIELD_NUMBEROFINKS 50
/* FIELD_CUSTOM (see tiffio.h) 65 */
/* end of support for well-known tags; codec-private tags follow */
#define FIELD_CODEC 66 /* base of codec-private tags */
/*
* Pseudo-tags don't normally need field bits since they are not written to an
* output file (by definition). The library also has express logic to always
* query a codec for a pseudo-tag so allocating a field bit for one is a
* waste. If codec wants to promote the notion of a pseudo-tag being ``set''
* or ``unset'' then it can do using internal state flags without polluting
* the field bit space defined for real tags.
*/
#define FIELD_PSEUDO 0
#define FIELD_LAST (32 * FIELDSET_ITEMS - 1)
#define BITn(n) (((uint32_t)1L) << ((n)&0x1f))
#define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n) / 32])
#define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field))
#define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field))
#define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field))
#define FieldSet(fields, f) (fields[(f) / 32] & BITn(f))
#define ResetFieldBit(fields, f) (fields[(f) / 32] &= ~BITn(f))
typedef enum
{
TIFF_SETGET_UNDEFINED = 0,
TIFF_SETGET_ASCII = 1,
TIFF_SETGET_UINT8 = 2,
TIFF_SETGET_SINT8 = 3,
TIFF_SETGET_UINT16 = 4,
TIFF_SETGET_SINT16 = 5,
TIFF_SETGET_UINT32 = 6,
TIFF_SETGET_SINT32 = 7,
TIFF_SETGET_UINT64 = 8,
TIFF_SETGET_SINT64 = 9,
TIFF_SETGET_FLOAT = 10,
TIFF_SETGET_DOUBLE = 11,
TIFF_SETGET_IFD8 = 12,
TIFF_SETGET_INT = 13,
TIFF_SETGET_UINT16_PAIR = 14,
TIFF_SETGET_C0_ASCII = 15,
TIFF_SETGET_C0_UINT8 = 16,
TIFF_SETGET_C0_SINT8 = 17,
TIFF_SETGET_C0_UINT16 = 18,
TIFF_SETGET_C0_SINT16 = 19,
TIFF_SETGET_C0_UINT32 = 20,
TIFF_SETGET_C0_SINT32 = 21,
TIFF_SETGET_C0_UINT64 = 22,
TIFF_SETGET_C0_SINT64 = 23,
TIFF_SETGET_C0_FLOAT = 24,
TIFF_SETGET_C0_DOUBLE = 25,
TIFF_SETGET_C0_IFD8 = 26,
TIFF_SETGET_C16_ASCII = 27,
TIFF_SETGET_C16_UINT8 = 28,
TIFF_SETGET_C16_SINT8 = 29,
TIFF_SETGET_C16_UINT16 = 30,
TIFF_SETGET_C16_SINT16 = 31,
TIFF_SETGET_C16_UINT32 = 32,
TIFF_SETGET_C16_SINT32 = 33,
TIFF_SETGET_C16_UINT64 = 34,
TIFF_SETGET_C16_SINT64 = 35,
TIFF_SETGET_C16_FLOAT = 36,
TIFF_SETGET_C16_DOUBLE = 37,
TIFF_SETGET_C16_IFD8 = 38,
TIFF_SETGET_C32_ASCII = 39,
TIFF_SETGET_C32_UINT8 = 40,
TIFF_SETGET_C32_SINT8 = 41,
TIFF_SETGET_C32_UINT16 = 42,
TIFF_SETGET_C32_SINT16 = 43,
TIFF_SETGET_C32_UINT32 = 44,
TIFF_SETGET_C32_SINT32 = 45,
TIFF_SETGET_C32_UINT64 = 46,
TIFF_SETGET_C32_SINT64 = 47,
TIFF_SETGET_C32_FLOAT = 48,
TIFF_SETGET_C32_DOUBLE = 49,
TIFF_SETGET_C32_IFD8 = 50,
TIFF_SETGET_OTHER = 51
} TIFFSetGetFieldType;
#if defined(__cplusplus)
extern "C"
{
#endif
extern const TIFFFieldArray *_TIFFGetFields(void);
extern const TIFFFieldArray *_TIFFGetExifFields(void);
extern const TIFFFieldArray *_TIFFGetGpsFields(void);
extern void _TIFFSetupFields(TIFF *tif, const TIFFFieldArray *infoarray);
extern void _TIFFPrintFieldInfo(TIFF *, FILE *);
extern int _TIFFFillStriles(TIFF *);
typedef enum
{
tfiatImage,
tfiatExif,
tfiatGps, /* EXIF-GPS fields array type */
tfiatOther
} TIFFFieldArrayType;
struct _TIFFFieldArray
{
TIFFFieldArrayType type; /* array type, will be used to determine if IFD
is image and such */
uint32_t allocated_size; /* 0 if array is constant, other if modified by
future definition extension support */
uint32_t count; /* number of elements in fields array */
TIFFField *fields; /* actual field info */
};
struct _TIFFField
{
uint32_t field_tag; /* field's tag */
short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */
short field_writecount; /* write count/TIFF_VARIABLE */
TIFFDataType field_type; /* type of associated data */
uint32_t field_anonymous; /* if true, this is a unknown /
anonymous tag */
TIFFSetGetFieldType set_get_field_type; /* type to be passed to
TIFFSetField, TIFFGetField */
unsigned short field_bit; /* bit in fieldsset bit vector */
unsigned char field_oktochange; /* if true, can change while writing */
unsigned char field_passcount; /* if true, pass dir count on set */
char *field_name; /* ASCII name */
TIFFFieldArray *field_subfields; /* if field points to child ifds, child
ifd field definition array */
};
extern int _TIFFMergeFields(TIFF *, const TIFFField[], uint32_t);
extern const TIFFField *_TIFFFindOrRegisterField(TIFF *, uint32_t,
TIFFDataType);
extern TIFFField *_TIFFCreateAnonField(TIFF *, uint32_t, TIFFDataType);
extern int _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag);
extern int _TIFFCheckDirNumberAndOffset(TIFF *tif, tdir_t dirn,
uint64_t diroff);
extern int _TIFFGetDirNumberFromOffset(TIFF *tif, uint64_t diroff,
tdir_t *dirn);
extern int _TIFFGetOffsetFromDirNumber(TIFF *tif, tdir_t dirn,
uint64_t *diroff);
extern int _TIFFRemoveEntryFromDirectoryListByOffset(TIFF *tif,
uint64_t diroff);
#if defined(__cplusplus)
}
#endif
#endif /* _TIFFDIR_ */