xref: /aosp_15_r20/external/pdfium/third_party/libtiff/tif_dir.h (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1*3ac0a46fSAndroid Build Coastguard Worker /*
2*3ac0a46fSAndroid Build Coastguard Worker  * Copyright (c) 1988-1997 Sam Leffler
3*3ac0a46fSAndroid Build Coastguard Worker  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
4*3ac0a46fSAndroid Build Coastguard Worker  *
5*3ac0a46fSAndroid Build Coastguard Worker  * Permission to use, copy, modify, distribute, and sell this software and
6*3ac0a46fSAndroid Build Coastguard Worker  * its documentation for any purpose is hereby granted without fee, provided
7*3ac0a46fSAndroid Build Coastguard Worker  * that (i) the above copyright notices and this permission notice appear in
8*3ac0a46fSAndroid Build Coastguard Worker  * all copies of the software and related documentation, and (ii) the names of
9*3ac0a46fSAndroid Build Coastguard Worker  * Sam Leffler and Silicon Graphics may not be used in any advertising or
10*3ac0a46fSAndroid Build Coastguard Worker  * publicity relating to the software without the specific, prior written
11*3ac0a46fSAndroid Build Coastguard Worker  * permission of Sam Leffler and Silicon Graphics.
12*3ac0a46fSAndroid Build Coastguard Worker  *
13*3ac0a46fSAndroid Build Coastguard Worker  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
14*3ac0a46fSAndroid Build Coastguard Worker  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15*3ac0a46fSAndroid Build Coastguard Worker  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16*3ac0a46fSAndroid Build Coastguard Worker  *
17*3ac0a46fSAndroid Build Coastguard Worker  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
18*3ac0a46fSAndroid Build Coastguard Worker  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19*3ac0a46fSAndroid Build Coastguard Worker  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20*3ac0a46fSAndroid Build Coastguard Worker  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21*3ac0a46fSAndroid Build Coastguard Worker  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
22*3ac0a46fSAndroid Build Coastguard Worker  * OF THIS SOFTWARE.
23*3ac0a46fSAndroid Build Coastguard Worker  */
24*3ac0a46fSAndroid Build Coastguard Worker 
25*3ac0a46fSAndroid Build Coastguard Worker #ifndef _TIFFDIR_
26*3ac0a46fSAndroid Build Coastguard Worker #define _TIFFDIR_
27*3ac0a46fSAndroid Build Coastguard Worker 
28*3ac0a46fSAndroid Build Coastguard Worker #include "tiff.h"
29*3ac0a46fSAndroid Build Coastguard Worker #include "tiffio.h"
30*3ac0a46fSAndroid Build Coastguard Worker 
31*3ac0a46fSAndroid Build Coastguard Worker /*
32*3ac0a46fSAndroid Build Coastguard Worker  * ``Library-private'' Directory-related Definitions.
33*3ac0a46fSAndroid Build Coastguard Worker  */
34*3ac0a46fSAndroid Build Coastguard Worker 
35*3ac0a46fSAndroid Build Coastguard Worker typedef struct
36*3ac0a46fSAndroid Build Coastguard Worker {
37*3ac0a46fSAndroid Build Coastguard Worker     const TIFFField *info;
38*3ac0a46fSAndroid Build Coastguard Worker     int count;
39*3ac0a46fSAndroid Build Coastguard Worker     void *value;
40*3ac0a46fSAndroid Build Coastguard Worker } TIFFTagValue;
41*3ac0a46fSAndroid Build Coastguard Worker 
42*3ac0a46fSAndroid Build Coastguard Worker /*
43*3ac0a46fSAndroid Build Coastguard Worker  * TIFF Image File Directories are comprised of a table of field
44*3ac0a46fSAndroid Build Coastguard Worker  * descriptors of the form shown below.  The table is sorted in
45*3ac0a46fSAndroid Build Coastguard Worker  * ascending order by tag.  The values associated with each entry are
46*3ac0a46fSAndroid Build Coastguard Worker  * disjoint and may appear anywhere in the file (so long as they are
47*3ac0a46fSAndroid Build Coastguard Worker  * placed on a word boundary).
48*3ac0a46fSAndroid Build Coastguard Worker  *
49*3ac0a46fSAndroid Build Coastguard Worker  * If the value is 4 bytes or less, in ClassicTIFF, or 8 bytes or less in
50*3ac0a46fSAndroid Build Coastguard Worker  * BigTIFF, then it is placed in the offset field to save space. If so,
51*3ac0a46fSAndroid Build Coastguard Worker  * it is left-justified in the offset field.
52*3ac0a46fSAndroid Build Coastguard Worker  */
53*3ac0a46fSAndroid Build Coastguard Worker typedef struct
54*3ac0a46fSAndroid Build Coastguard Worker {
55*3ac0a46fSAndroid Build Coastguard Worker     uint16_t tdir_tag;   /* see below */
56*3ac0a46fSAndroid Build Coastguard Worker     uint16_t tdir_type;  /* data type; see below */
57*3ac0a46fSAndroid Build Coastguard Worker     uint64_t tdir_count; /* number of items; length in spec */
58*3ac0a46fSAndroid Build Coastguard Worker     union
59*3ac0a46fSAndroid Build Coastguard Worker     {
60*3ac0a46fSAndroid Build Coastguard Worker         uint16_t toff_short;
61*3ac0a46fSAndroid Build Coastguard Worker         uint32_t toff_long;
62*3ac0a46fSAndroid Build Coastguard Worker         uint64_t toff_long8;
63*3ac0a46fSAndroid Build Coastguard Worker     } tdir_offset;       /* either offset or the data itself if fits */
64*3ac0a46fSAndroid Build Coastguard Worker     uint8_t tdir_ignore; /* flag status to ignore tag when parsing tags in
65*3ac0a46fSAndroid Build Coastguard Worker                             tif_dirread.c */
66*3ac0a46fSAndroid Build Coastguard Worker } TIFFDirEntry;
67*3ac0a46fSAndroid Build Coastguard Worker 
68*3ac0a46fSAndroid Build Coastguard Worker /*
69*3ac0a46fSAndroid Build Coastguard Worker  * Internal format of a TIFF directory entry.
70*3ac0a46fSAndroid Build Coastguard Worker  */
71*3ac0a46fSAndroid Build Coastguard Worker typedef struct
72*3ac0a46fSAndroid Build Coastguard Worker {
73*3ac0a46fSAndroid Build Coastguard Worker #define FIELDSET_ITEMS 4
74*3ac0a46fSAndroid Build Coastguard Worker     /* bit vector of fields that are set */
75*3ac0a46fSAndroid Build Coastguard Worker     uint32_t td_fieldsset[FIELDSET_ITEMS];
76*3ac0a46fSAndroid Build Coastguard Worker 
77*3ac0a46fSAndroid Build Coastguard Worker     uint32_t td_imagewidth, td_imagelength, td_imagedepth;
78*3ac0a46fSAndroid Build Coastguard Worker     uint32_t td_tilewidth, td_tilelength, td_tiledepth;
79*3ac0a46fSAndroid Build Coastguard Worker     uint32_t td_subfiletype;
80*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_bitspersample;
81*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_sampleformat;
82*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_compression;
83*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_photometric;
84*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_threshholding;
85*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_fillorder;
86*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_orientation;
87*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_samplesperpixel;
88*3ac0a46fSAndroid Build Coastguard Worker     uint32_t td_rowsperstrip;
89*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_minsamplevalue, td_maxsamplevalue;
90*3ac0a46fSAndroid Build Coastguard Worker     double *td_sminsamplevalue;
91*3ac0a46fSAndroid Build Coastguard Worker     double *td_smaxsamplevalue;
92*3ac0a46fSAndroid Build Coastguard Worker     float td_xresolution, td_yresolution;
93*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_resolutionunit;
94*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_planarconfig;
95*3ac0a46fSAndroid Build Coastguard Worker     float td_xposition, td_yposition;
96*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_pagenumber[2];
97*3ac0a46fSAndroid Build Coastguard Worker     uint16_t *td_colormap[3];
98*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_halftonehints[2];
99*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_extrasamples;
100*3ac0a46fSAndroid Build Coastguard Worker     uint16_t *td_sampleinfo;
101*3ac0a46fSAndroid Build Coastguard Worker     /* even though the name is misleading, td_stripsperimage is the number
102*3ac0a46fSAndroid Build Coastguard Worker      * of striles (=strips or tiles) per plane, and td_nstrips the total
103*3ac0a46fSAndroid Build Coastguard Worker      * number of striles */
104*3ac0a46fSAndroid Build Coastguard Worker     uint32_t td_stripsperimage;
105*3ac0a46fSAndroid Build Coastguard Worker     uint32_t td_nstrips; /* size of offset & bytecount arrays */
106*3ac0a46fSAndroid Build Coastguard Worker     uint64_t
107*3ac0a46fSAndroid Build Coastguard Worker         *td_stripoffset_p; /* should be accessed with TIFFGetStrileOffset */
108*3ac0a46fSAndroid Build Coastguard Worker     uint64_t *td_stripbytecount_p; /* should be accessed with
109*3ac0a46fSAndroid Build Coastguard Worker                                       TIFFGetStrileByteCount */
110*3ac0a46fSAndroid Build Coastguard Worker     uint32_t
111*3ac0a46fSAndroid Build Coastguard Worker         td_stripoffsetbyteallocsize; /* number of elements currently allocated
112*3ac0a46fSAndroid Build Coastguard Worker                                         for td_stripoffset/td_stripbytecount.
113*3ac0a46fSAndroid Build Coastguard Worker                                         Only used if TIFF_LAZYSTRILELOAD is set
114*3ac0a46fSAndroid Build Coastguard Worker                                       */
115*3ac0a46fSAndroid Build Coastguard Worker #ifdef STRIPBYTECOUNTSORTED_UNUSED
116*3ac0a46fSAndroid Build Coastguard Worker     int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */
117*3ac0a46fSAndroid Build Coastguard Worker #endif
118*3ac0a46fSAndroid Build Coastguard Worker     TIFFDirEntry td_stripoffset_entry;    /* for deferred loading */
119*3ac0a46fSAndroid Build Coastguard Worker     TIFFDirEntry td_stripbytecount_entry; /* for deferred loading */
120*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_nsubifd;
121*3ac0a46fSAndroid Build Coastguard Worker     uint64_t *td_subifd;
122*3ac0a46fSAndroid Build Coastguard Worker     /* YCbCr parameters */
123*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_ycbcrsubsampling[2];
124*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_ycbcrpositioning;
125*3ac0a46fSAndroid Build Coastguard Worker     /* Colorimetry parameters */
126*3ac0a46fSAndroid Build Coastguard Worker     uint16_t *td_transferfunction[3];
127*3ac0a46fSAndroid Build Coastguard Worker     float *td_refblackwhite;
128*3ac0a46fSAndroid Build Coastguard Worker     /* CMYK parameters */
129*3ac0a46fSAndroid Build Coastguard Worker     int td_inknameslen;
130*3ac0a46fSAndroid Build Coastguard Worker     char *td_inknames;
131*3ac0a46fSAndroid Build Coastguard Worker     uint16_t td_numberofinks; /* number of inks in InkNames string */
132*3ac0a46fSAndroid Build Coastguard Worker 
133*3ac0a46fSAndroid Build Coastguard Worker     int td_customValueCount;
134*3ac0a46fSAndroid Build Coastguard Worker     TIFFTagValue *td_customValues;
135*3ac0a46fSAndroid Build Coastguard Worker 
136*3ac0a46fSAndroid Build Coastguard Worker     unsigned char
137*3ac0a46fSAndroid Build Coastguard Worker         td_deferstrilearraywriting; /* see TIFFDeferStrileArrayWriting() */
138*3ac0a46fSAndroid Build Coastguard Worker } TIFFDirectory;
139*3ac0a46fSAndroid Build Coastguard Worker 
140*3ac0a46fSAndroid Build Coastguard Worker /*
141*3ac0a46fSAndroid Build Coastguard Worker  * Field flags used to indicate fields that have been set in a directory, and
142*3ac0a46fSAndroid Build Coastguard Worker  * to reference fields when manipulating a directory.
143*3ac0a46fSAndroid Build Coastguard Worker  */
144*3ac0a46fSAndroid Build Coastguard Worker 
145*3ac0a46fSAndroid Build Coastguard Worker /*
146*3ac0a46fSAndroid Build Coastguard Worker  * FIELD_IGNORE is used to signify tags that are to be processed but otherwise
147*3ac0a46fSAndroid Build Coastguard Worker  * ignored.  This permits antiquated tags to be quietly read and discarded.
148*3ac0a46fSAndroid Build Coastguard Worker  * Note that a bit *is* allocated for ignored tags; this is understood by the
149*3ac0a46fSAndroid Build Coastguard Worker  * directory reading logic which uses this fact to avoid special-case handling
150*3ac0a46fSAndroid Build Coastguard Worker  */
151*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_IGNORE 0
152*3ac0a46fSAndroid Build Coastguard Worker 
153*3ac0a46fSAndroid Build Coastguard Worker /* multi-item fields */
154*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_IMAGEDIMENSIONS 1
155*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_TILEDIMENSIONS 2
156*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_RESOLUTION 3
157*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_POSITION 4
158*3ac0a46fSAndroid Build Coastguard Worker 
159*3ac0a46fSAndroid Build Coastguard Worker /* single-item fields */
160*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_SUBFILETYPE 5
161*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_BITSPERSAMPLE 6
162*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_COMPRESSION 7
163*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_PHOTOMETRIC 8
164*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_THRESHHOLDING 9
165*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_FILLORDER 10
166*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_ORIENTATION 15
167*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_SAMPLESPERPIXEL 16
168*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_ROWSPERSTRIP 17
169*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_MINSAMPLEVALUE 18
170*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_MAXSAMPLEVALUE 19
171*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_PLANARCONFIG 20
172*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_RESOLUTIONUNIT 22
173*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_PAGENUMBER 23
174*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_STRIPBYTECOUNTS 24
175*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_STRIPOFFSETS 25
176*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_COLORMAP 26
177*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_EXTRASAMPLES 31
178*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_SAMPLEFORMAT 32
179*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_SMINSAMPLEVALUE 33
180*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_SMAXSAMPLEVALUE 34
181*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_IMAGEDEPTH 35
182*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_TILEDEPTH 36
183*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_HALFTONEHINTS 37
184*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_YCBCRSUBSAMPLING 39
185*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_YCBCRPOSITIONING 40
186*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_REFBLACKWHITE 41
187*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_TRANSFERFUNCTION 44
188*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_INKNAMES 46
189*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_SUBIFD 49
190*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_NUMBEROFINKS 50
191*3ac0a46fSAndroid Build Coastguard Worker /*      FIELD_CUSTOM (see tiffio.h)    65 */
192*3ac0a46fSAndroid Build Coastguard Worker /* end of support for well-known tags; codec-private tags follow */
193*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_CODEC 66 /* base of codec-private tags */
194*3ac0a46fSAndroid Build Coastguard Worker 
195*3ac0a46fSAndroid Build Coastguard Worker /*
196*3ac0a46fSAndroid Build Coastguard Worker  * Pseudo-tags don't normally need field bits since they are not written to an
197*3ac0a46fSAndroid Build Coastguard Worker  * output file (by definition). The library also has express logic to always
198*3ac0a46fSAndroid Build Coastguard Worker  * query a codec for a pseudo-tag so allocating a field bit for one is a
199*3ac0a46fSAndroid Build Coastguard Worker  * waste.   If codec wants to promote the notion of a pseudo-tag being ``set''
200*3ac0a46fSAndroid Build Coastguard Worker  * or ``unset'' then it can do using internal state flags without polluting
201*3ac0a46fSAndroid Build Coastguard Worker  * the field bit space defined for real tags.
202*3ac0a46fSAndroid Build Coastguard Worker  */
203*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_PSEUDO 0
204*3ac0a46fSAndroid Build Coastguard Worker 
205*3ac0a46fSAndroid Build Coastguard Worker #define FIELD_LAST (32 * FIELDSET_ITEMS - 1)
206*3ac0a46fSAndroid Build Coastguard Worker 
207*3ac0a46fSAndroid Build Coastguard Worker #define BITn(n) (((uint32_t)1L) << ((n)&0x1f))
208*3ac0a46fSAndroid Build Coastguard Worker #define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n) / 32])
209*3ac0a46fSAndroid Build Coastguard Worker #define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field))
210*3ac0a46fSAndroid Build Coastguard Worker #define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field))
211*3ac0a46fSAndroid Build Coastguard Worker #define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field))
212*3ac0a46fSAndroid Build Coastguard Worker 
213*3ac0a46fSAndroid Build Coastguard Worker #define FieldSet(fields, f) (fields[(f) / 32] & BITn(f))
214*3ac0a46fSAndroid Build Coastguard Worker #define ResetFieldBit(fields, f) (fields[(f) / 32] &= ~BITn(f))
215*3ac0a46fSAndroid Build Coastguard Worker 
216*3ac0a46fSAndroid Build Coastguard Worker typedef enum
217*3ac0a46fSAndroid Build Coastguard Worker {
218*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_UNDEFINED = 0,
219*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_ASCII = 1,
220*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_UINT8 = 2,
221*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_SINT8 = 3,
222*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_UINT16 = 4,
223*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_SINT16 = 5,
224*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_UINT32 = 6,
225*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_SINT32 = 7,
226*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_UINT64 = 8,
227*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_SINT64 = 9,
228*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_FLOAT = 10,
229*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_DOUBLE = 11,
230*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_IFD8 = 12,
231*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_INT = 13,
232*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_UINT16_PAIR = 14,
233*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_ASCII = 15,
234*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_UINT8 = 16,
235*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_SINT8 = 17,
236*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_UINT16 = 18,
237*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_SINT16 = 19,
238*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_UINT32 = 20,
239*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_SINT32 = 21,
240*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_UINT64 = 22,
241*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_SINT64 = 23,
242*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_FLOAT = 24,
243*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_DOUBLE = 25,
244*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C0_IFD8 = 26,
245*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_ASCII = 27,
246*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_UINT8 = 28,
247*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_SINT8 = 29,
248*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_UINT16 = 30,
249*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_SINT16 = 31,
250*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_UINT32 = 32,
251*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_SINT32 = 33,
252*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_UINT64 = 34,
253*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_SINT64 = 35,
254*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_FLOAT = 36,
255*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_DOUBLE = 37,
256*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C16_IFD8 = 38,
257*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_ASCII = 39,
258*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_UINT8 = 40,
259*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_SINT8 = 41,
260*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_UINT16 = 42,
261*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_SINT16 = 43,
262*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_UINT32 = 44,
263*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_SINT32 = 45,
264*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_UINT64 = 46,
265*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_SINT64 = 47,
266*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_FLOAT = 48,
267*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_DOUBLE = 49,
268*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_C32_IFD8 = 50,
269*3ac0a46fSAndroid Build Coastguard Worker     TIFF_SETGET_OTHER = 51
270*3ac0a46fSAndroid Build Coastguard Worker } TIFFSetGetFieldType;
271*3ac0a46fSAndroid Build Coastguard Worker 
272*3ac0a46fSAndroid Build Coastguard Worker #if defined(__cplusplus)
273*3ac0a46fSAndroid Build Coastguard Worker extern "C"
274*3ac0a46fSAndroid Build Coastguard Worker {
275*3ac0a46fSAndroid Build Coastguard Worker #endif
276*3ac0a46fSAndroid Build Coastguard Worker 
277*3ac0a46fSAndroid Build Coastguard Worker     extern const TIFFFieldArray *_TIFFGetFields(void);
278*3ac0a46fSAndroid Build Coastguard Worker     extern const TIFFFieldArray *_TIFFGetExifFields(void);
279*3ac0a46fSAndroid Build Coastguard Worker     extern const TIFFFieldArray *_TIFFGetGpsFields(void);
280*3ac0a46fSAndroid Build Coastguard Worker     extern void _TIFFSetupFields(TIFF *tif, const TIFFFieldArray *infoarray);
281*3ac0a46fSAndroid Build Coastguard Worker     extern void _TIFFPrintFieldInfo(TIFF *, FILE *);
282*3ac0a46fSAndroid Build Coastguard Worker 
283*3ac0a46fSAndroid Build Coastguard Worker     extern int _TIFFFillStriles(TIFF *);
284*3ac0a46fSAndroid Build Coastguard Worker 
285*3ac0a46fSAndroid Build Coastguard Worker     typedef enum
286*3ac0a46fSAndroid Build Coastguard Worker     {
287*3ac0a46fSAndroid Build Coastguard Worker         tfiatImage,
288*3ac0a46fSAndroid Build Coastguard Worker         tfiatExif,
289*3ac0a46fSAndroid Build Coastguard Worker         tfiatGps, /* EXIF-GPS fields array type */
290*3ac0a46fSAndroid Build Coastguard Worker         tfiatOther
291*3ac0a46fSAndroid Build Coastguard Worker     } TIFFFieldArrayType;
292*3ac0a46fSAndroid Build Coastguard Worker 
293*3ac0a46fSAndroid Build Coastguard Worker     struct _TIFFFieldArray
294*3ac0a46fSAndroid Build Coastguard Worker     {
295*3ac0a46fSAndroid Build Coastguard Worker         TIFFFieldArrayType type; /* array type, will be used to determine if IFD
296*3ac0a46fSAndroid Build Coastguard Worker                                     is image and such */
297*3ac0a46fSAndroid Build Coastguard Worker         uint32_t allocated_size; /* 0 if array is constant, other if modified by
298*3ac0a46fSAndroid Build Coastguard Worker                                     future definition extension support */
299*3ac0a46fSAndroid Build Coastguard Worker         uint32_t count;          /* number of elements in fields array */
300*3ac0a46fSAndroid Build Coastguard Worker         TIFFField *fields;       /* actual field info */
301*3ac0a46fSAndroid Build Coastguard Worker     };
302*3ac0a46fSAndroid Build Coastguard Worker 
303*3ac0a46fSAndroid Build Coastguard Worker     struct _TIFFField
304*3ac0a46fSAndroid Build Coastguard Worker     {
305*3ac0a46fSAndroid Build Coastguard Worker         uint32_t field_tag;      /* field's tag */
306*3ac0a46fSAndroid Build Coastguard Worker         short field_readcount;   /* read count/TIFF_VARIABLE/TIFF_SPP */
307*3ac0a46fSAndroid Build Coastguard Worker         short field_writecount;  /* write count/TIFF_VARIABLE */
308*3ac0a46fSAndroid Build Coastguard Worker         TIFFDataType field_type; /* type of associated data */
309*3ac0a46fSAndroid Build Coastguard Worker         uint32_t
310*3ac0a46fSAndroid Build Coastguard Worker             field_anonymous; /* if true, this is a unknown / anonymous tag */
311*3ac0a46fSAndroid Build Coastguard Worker         TIFFSetGetFieldType
312*3ac0a46fSAndroid Build Coastguard Worker             set_field_type; /* type to be passed to TIFFSetField */
313*3ac0a46fSAndroid Build Coastguard Worker         TIFFSetGetFieldType
314*3ac0a46fSAndroid Build Coastguard Worker             get_field_type;              /* type to be passed to TIFFGetField */
315*3ac0a46fSAndroid Build Coastguard Worker         unsigned short field_bit;        /* bit in fieldsset bit vector */
316*3ac0a46fSAndroid Build Coastguard Worker         unsigned char field_oktochange;  /* if true, can change while writing */
317*3ac0a46fSAndroid Build Coastguard Worker         unsigned char field_passcount;   /* if true, pass dir count on set */
318*3ac0a46fSAndroid Build Coastguard Worker         char *field_name;                /* ASCII name */
319*3ac0a46fSAndroid Build Coastguard Worker         TIFFFieldArray *field_subfields; /* if field points to child ifds, child
320*3ac0a46fSAndroid Build Coastguard Worker                                             ifd field definition array */
321*3ac0a46fSAndroid Build Coastguard Worker     };
322*3ac0a46fSAndroid Build Coastguard Worker 
323*3ac0a46fSAndroid Build Coastguard Worker     extern int _TIFFMergeFields(TIFF *, const TIFFField[], uint32_t);
324*3ac0a46fSAndroid Build Coastguard Worker     extern const TIFFField *_TIFFFindOrRegisterField(TIFF *, uint32_t,
325*3ac0a46fSAndroid Build Coastguard Worker                                                      TIFFDataType);
326*3ac0a46fSAndroid Build Coastguard Worker     extern TIFFField *_TIFFCreateAnonField(TIFF *, uint32_t, TIFFDataType);
327*3ac0a46fSAndroid Build Coastguard Worker     extern int _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag);
328*3ac0a46fSAndroid Build Coastguard Worker     extern int _TIFFCheckDirNumberAndOffset(TIFF *tif, tdir_t dirn,
329*3ac0a46fSAndroid Build Coastguard Worker                                             uint64_t diroff);
330*3ac0a46fSAndroid Build Coastguard Worker     extern int _TIFFGetDirNumberFromOffset(TIFF *tif, uint64_t diroff,
331*3ac0a46fSAndroid Build Coastguard Worker                                            tdir_t *dirn);
332*3ac0a46fSAndroid Build Coastguard Worker     extern int _TIFFGetOffsetFromDirNumber(TIFF *tif, tdir_t dirn,
333*3ac0a46fSAndroid Build Coastguard Worker                                            uint64_t *diroff);
334*3ac0a46fSAndroid Build Coastguard Worker     extern int _TIFFRemoveEntryFromDirectoryListByOffset(TIFF *tif,
335*3ac0a46fSAndroid Build Coastguard Worker                                                          uint64_t diroff);
336*3ac0a46fSAndroid Build Coastguard Worker 
337*3ac0a46fSAndroid Build Coastguard Worker #if defined(__cplusplus)
338*3ac0a46fSAndroid Build Coastguard Worker }
339*3ac0a46fSAndroid Build Coastguard Worker #endif
340*3ac0a46fSAndroid Build Coastguard Worker #endif /* _TIFFDIR_ */
341