1 /*
2 * Copyright (c) 1988-1997 Sam Leffler
3 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software and
6 * its documentation for any purpose is hereby granted without fee, provided
7 * that (i) the above copyright notices and this permission notice appear in
8 * all copies of the software and related documentation, and (ii) the names of
9 * Sam Leffler and Silicon Graphics may not be used in any advertising or
10 * publicity relating to the software without the specific, prior written
11 * permission of Sam Leffler and Silicon Graphics.
12 *
13 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
18 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
22 * OF THIS SOFTWARE.
23 */
24
25 /*
26 * TIFF Library.
27 *
28 * Core Directory Tag Support.
29 */
30 #include "tiffiop.h"
31 #include <stdlib.h>
32
33 /*
34 * NOTE: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG.
35 *
36 * NOTE: The second field (field_readcount) and third field (field_writecount)
37 * sometimes use the values TIFF_VARIABLE (-1), TIFF_VARIABLE2 (-3)
38 * and TIFF_SPP (-2). The macros should be used but would throw off
39 * the formatting of the code, so please interpret the -1, -2 and -3
40 * values accordingly.
41 */
42
43 /* const object should be initialized */
44 #ifdef _MSC_VER
45 #pragma warning(push)
46 #pragma warning(disable : 4132)
47 #endif
48 static const TIFFFieldArray tiffFieldArray;
49 static const TIFFFieldArray exifFieldArray;
50 static const TIFFFieldArray gpsFieldArray;
51 #ifdef _MSC_VER
52 #pragma warning(pop)
53 #endif
54 /*--: Rational2Double: --
55 * The Rational2Double upgraded libtiff functionality allows the definition and
56 * achievement of true double-precision accuracy for TIFF tags of RATIONAL type
57 * and field_bit=FIELD_CUSTOM using the set_field_type = TIFF_SETGET_DOUBLE.
58 * Unfortunately, that changes the old implemented interface for TIFFGetField().
59 * In order to keep the old TIFFGetField() interface behavior those tags have to
60 * be redefined with set_field_type = TIFF_SETGET_FLOAT!
61 *
62 * Rational custom arrays are already defined as _Cxx_FLOAT, thus can stay.
63 *
64 */
65
66 /* clang-format off */ /* for better readability of tag comments */
67 static const TIFFField tiffFields[] = {
68 {TIFFTAG_SUBFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "SubfileType", NULL},
69 {TIFFTAG_OSUBFILETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "OldSubfileType", NULL},
70 {TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 0, 0, "ImageWidth", NULL},
71 {TIFFTAG_IMAGELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 1, 0, "ImageLength", NULL},
72 {TIFFTAG_BITSPERSAMPLE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_BITSPERSAMPLE, 0, 0, "BitsPerSample", NULL},
73 {TIFFTAG_COMPRESSION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_COMPRESSION, 0, 0, "Compression", NULL},
74 {TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PHOTOMETRIC, 0, 0, "PhotometricInterpretation", NULL},
75 {TIFFTAG_THRESHHOLDING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_THRESHHOLDING, 1, 0, "Threshholding", NULL},
76 {TIFFTAG_CELLWIDTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CellWidth", NULL},
77 {TIFFTAG_CELLLENGTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CellLength", NULL},
78 {TIFFTAG_FILLORDER, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_FILLORDER, 0, 0, "FillOrder", NULL},
79 {TIFFTAG_DOCUMENTNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DocumentName", NULL},
80 {TIFFTAG_IMAGEDESCRIPTION, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageDescription", NULL},
81 {TIFFTAG_MAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Make", NULL},
82 {TIFFTAG_MODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Model", NULL},
83 {TIFFTAG_STRIPOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "StripOffsets", NULL},
84 {TIFFTAG_ORIENTATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_ORIENTATION, 0, 0, "Orientation", NULL},
85 {TIFFTAG_SAMPLESPERPIXEL, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLESPERPIXEL, 0, 0, "SamplesPerPixel", NULL},
86 {TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_ROWSPERSTRIP, 0, 0, "RowsPerStrip", NULL},
87 {TIFFTAG_STRIPBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "StripByteCounts", NULL},
88 {TIFFTAG_MINSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MINSAMPLEVALUE, 1, 0, "MinSampleValue", NULL},
89 {TIFFTAG_MAXSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MAXSAMPLEVALUE, 1, 0, "MaxSampleValue", NULL},
90 {TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "XResolution", NULL},
91 {TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "YResolution", NULL},
92 {TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PLANARCONFIG, 0, 0, "PlanarConfiguration", NULL},
93 {TIFFTAG_PAGENAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PageName", NULL},
94 {TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "XPosition", NULL},
95 {TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "YPosition", NULL},
96 {TIFFTAG_FREEOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeOffsets", NULL},
97 {TIFFTAG_FREEBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeByteCounts", NULL},
98 {TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseUnit", NULL},
99 {TIFFTAG_GRAYRESPONSECURVE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseCurve", NULL},
100 {TIFFTAG_RESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTIONUNIT, 1, 0, "ResolutionUnit", NULL},
101 {TIFFTAG_PAGENUMBER, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_PAGENUMBER, 1, 0, "PageNumber", NULL},
102 {TIFFTAG_COLORRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "ColorResponseUnit", NULL},
103 {TIFFTAG_TRANSFERFUNCTION, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_TRANSFERFUNCTION, 1, 0, "TransferFunction", NULL},
104 {TIFFTAG_SOFTWARE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Software", NULL},
105 {TIFFTAG_DATETIME, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTime", NULL},
106 {TIFFTAG_ARTIST, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Artist", NULL},
107 {TIFFTAG_HOSTCOMPUTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "HostComputer", NULL},
108 {TIFFTAG_WHITEPOINT, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhitePoint", NULL},
109 {TIFFTAG_PRIMARYCHROMATICITIES, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PrimaryChromaticities", NULL},
110 {TIFFTAG_COLORMAP, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_COLORMAP, 1, 0, "ColorMap", NULL},
111 {TIFFTAG_HALFTONEHINTS, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_HALFTONEHINTS, 1, 0, "HalftoneHints", NULL},
112 {TIFFTAG_TILEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileWidth", NULL},
113 {TIFFTAG_TILELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileLength", NULL},
114 {TIFFTAG_TILEOFFSETS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "TileOffsets", NULL},
115 {TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "TileByteCounts", NULL},
116 {TIFFTAG_SUBIFD, -1, -1, TIFF_IFD8, 0, TIFF_SETGET_C16_IFD8, TIFF_SETGET_UNDEFINED, FIELD_SUBIFD, 1, 1, "SubIFD", (TIFFFieldArray *)&tiffFieldArray},
117 {TIFFTAG_INKSET, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InkSet", NULL},
118 {TIFFTAG_INKNAMES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_C16_ASCII, TIFF_SETGET_UNDEFINED, FIELD_INKNAMES, 1, 1, "InkNames", NULL},
119 {TIFFTAG_NUMBEROFINKS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_NUMBEROFINKS, 1, 0, "NumberOfInks", NULL},
120 {TIFFTAG_DOTRANGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DotRange", NULL},
121 {TIFFTAG_TARGETPRINTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TargetPrinter", NULL},
122 {TIFFTAG_EXTRASAMPLES, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 1, "ExtraSamples", NULL},
123 {TIFFTAG_SAMPLEFORMAT, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "SampleFormat", NULL},
124 {TIFFTAG_SMINSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMINSAMPLEVALUE, 1, 0, "SMinSampleValue", NULL},
125 {TIFFTAG_SMAXSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMAXSAMPLEVALUE, 1, 0, "SMaxSampleValue", NULL},
126 {TIFFTAG_CLIPPATH, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ClipPath", NULL},
127 {TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL},
128 {TIFFTAG_YCLIPPATHUNITS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YClipPathUnits", NULL},
129 {TIFFTAG_YCBCRCOEFFICIENTS, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YCbCrCoefficients", NULL},
130 {TIFFTAG_YCBCRSUBSAMPLING, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_YCBCRSUBSAMPLING, 0, 0, "YCbCrSubsampling", NULL},
131 {TIFFTAG_YCBCRPOSITIONING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_YCBCRPOSITIONING, 0, 0, "YCbCrPositioning", NULL},
132 {TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_REFBLACKWHITE, 1, 0, "ReferenceBlackWhite", NULL},
133 {TIFFTAG_XMLPACKET, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "XMLPacket", NULL},
134 /* begin SGI tags */
135 {TIFFTAG_MATTEING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 0, "Matteing", NULL},
136 {TIFFTAG_DATATYPE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "DataType", NULL},
137 {TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDEPTH, 0, 0, "ImageDepth", NULL},
138 {TIFFTAG_TILEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDEPTH, 0, 0, "TileDepth", NULL},
139 /* end SGI tags */
140 /* begin Pixar tags */
141 {TIFFTAG_PIXAR_IMAGEFULLWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullWidth", NULL},
142 {TIFFTAG_PIXAR_IMAGEFULLLENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullLength", NULL},
143 {TIFFTAG_PIXAR_TEXTUREFORMAT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureFormat", NULL},
144 {TIFFTAG_PIXAR_WRAPMODES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureWrapModes", NULL},
145 {TIFFTAG_PIXAR_FOVCOT, 1, 1, TIFF_FLOAT, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FieldOfViewCotangent", NULL},
146 {TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToScreen", NULL},
147 {TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToCamera", NULL},
148 {TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL},
149 /* end Pixar tags */
150 {TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "RichTIFFIPTC", NULL},
151 {TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "Photoshop", NULL},
152 /*--: EXIFIFD and GPSIFD specified as TIFF_LONG by Aware-Systems and not TIFF_IFD8 as in original LibTiff. However, for IFD-like tags,
153 * libtiff uses the data type TIFF_IFD8 in tiffFields[]-tag definition combined with a special handling procedure in order to write either
154 * a 32-bit value and the TIFF_IFD type-id into ClassicTIFF files or a 64-bit value and the TIFF_IFD8 type-id into BigTIFF files. */
155 {TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EXIFIFDOffset", (TIFFFieldArray *)&exifFieldArray},
156 {TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ICC Profile", NULL},
157 {TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GPSIFDOffset", (TIFFFieldArray *)&gpsFieldArray},
158 {TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvParams", NULL},
159 {TIFFTAG_FAXSUBADDRESS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxSubAddress", NULL},
160 {TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvTime", NULL},
161 {TIFFTAG_FAXDCS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxDcs", NULL},
162 {TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "StoNits", NULL},
163 {TIFFTAG_IMAGESOURCEDATA, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "Adobe Photoshop Document Data Block", NULL},
164 {TIFFTAG_INTEROPERABILITYIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InteroperabilityIFDOffset", NULL},
165 /* begin DNG tags */
166 {TIFFTAG_DNGVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DNGVersion", NULL},
167 {TIFFTAG_DNGBACKWARDVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DNGBackwardVersion", NULL},
168 {TIFFTAG_UNIQUECAMERAMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "UniqueCameraModel", NULL},
169 {TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LocalizedCameraModel", NULL},
170 {TIFFTAG_CFAPLANECOLOR, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPlaneColor", NULL},
171 {TIFFTAG_CFALAYOUT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CFALayout", NULL},
172 {TIFFTAG_LINEARIZATIONTABLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LinearizationTable", NULL},
173 {TIFFTAG_BLACKLEVELREPEATDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BlackLevelRepeatDim", NULL},
174 {TIFFTAG_BLACKLEVEL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "BlackLevel", NULL},
175 {TIFFTAG_BLACKLEVELDELTAH, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "BlackLevelDeltaH", NULL},
176 {TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "BlackLevelDeltaV", NULL},
177 {TIFFTAG_WHITELEVEL, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "WhiteLevel", NULL},
178 {TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultScale", NULL},
179 {TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BestQualityScale", NULL},
180 {TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultCropOrigin", NULL},
181 {TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultCropSize", NULL},
182 {TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ColorMatrix1", NULL},
183 {TIFFTAG_COLORMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ColorMatrix2", NULL},
184 {TIFFTAG_CAMERACALIBRATION1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibration1", NULL},
185 {TIFFTAG_CAMERACALIBRATION2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibration2", NULL},
186 {TIFFTAG_REDUCTIONMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ReductionMatrix1", NULL},
187 {TIFFTAG_REDUCTIONMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ReductionMatrix2", NULL},
188 {TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AnalogBalance", NULL},
189 {TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotNeutral", NULL},
190 {TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "AsShotWhiteXY", NULL},
191 {TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineExposure", NULL},
192 {TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineNoise", NULL},
193 {TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineSharpness", NULL},
194 {TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BayerGreenSplit", NULL},
195 {TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LinearResponseLimit", NULL},
196 {TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraSerialNumber", NULL},
197 {TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensInfo", NULL},
198 {TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ChromaBlurRadius", NULL},
199 {TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "AntiAliasStrength", NULL},
200 {TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShadowScale", NULL},
201 {TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DNGPrivateData", NULL},
202 {TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MakerNoteSafety", NULL},
203 {TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CalibrationIlluminant1", NULL},
204 {TIFFTAG_CALIBRATIONILLUMINANT2, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CalibrationIlluminant2", NULL},
205 {TIFFTAG_RAWDATAUNIQUEID, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RawDataUniqueID", NULL},
206 {TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileName", NULL},
207 {TIFFTAG_ORIGINALRAWFILEDATA, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileData", NULL},
208 {TIFFTAG_ACTIVEAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ActiveArea", NULL},
209 {TIFFTAG_MASKEDAREAS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MaskedAreas", NULL},
210 {TIFFTAG_ASSHOTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotICCProfile", NULL},
211 {TIFFTAG_ASSHOTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotPreProfileMatrix", NULL},
212 {TIFFTAG_CURRENTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CurrentICCProfile", NULL},
213 {TIFFTAG_CURRENTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CurrentPreProfileMatrix", NULL},
214 {TIFFTAG_PERSAMPLE, 0, 0, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "PerSample", NULL},
215 #if 0
216 /* TODO: revert above #if 0 for TIFF 4.6.0 */
217
218 /* begin DNG 1.2.0.0 tags */
219 {TIFFTAG_COLORIMETRICREFERENCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorimetricReference", NULL},
220 {TIFFTAG_CAMERACALIBRATIONSIGNATURE, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibrationSignature", NULL},
221 {TIFFTAG_PROFILECALIBRATIONSIGNATURE, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileCalibrationSignature", NULL},
222 {TIFFTAG_EXTRACAMERAPROFILES, -1, -1, TIFF_IFD8, 0, TIFF_SETGET_C16_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ExtraCameraProfiles", NULL},
223 {TIFFTAG_ASSHOTPROFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotProfileName", NULL},
224 {TIFFTAG_NOISEREDUCTIONAPPLIED, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "NoiseReductionApplied", NULL},
225 {TIFFTAG_PROFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileName", NULL},
226 {TIFFTAG_PROFILEHUESATMAPDIMS, 3, 3, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileHueSatMapDims", NULL},
227 {TIFFTAG_PROFILEHUESATMAPDATA1, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileHueSatMapData1", NULL},
228 {TIFFTAG_PROFILEHUESATMAPDATA2, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileHueSatMapData2", NULL},
229 {TIFFTAG_PROFILETONECURVE, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileToneCurve", NULL},
230 {TIFFTAG_PROFILEEMBEDPOLICY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileEmbedPolicy", NULL},
231 {TIFFTAG_PROFILECOPYRIGHT, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileCopyright", NULL},
232 {TIFFTAG_FORWARDMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ForwardMatrix1", NULL},
233 {TIFFTAG_FORWARDMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ForwardMatrix2", NULL},
234 {TIFFTAG_PREVIEWAPPLICATIONNAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "PreviewApplicationName", NULL},
235 {TIFFTAG_PREVIEWAPPLICATIONVERSION, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "PreviewApplicationVersion", NULL},
236 {TIFFTAG_PREVIEWSETTINGSNAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "PreviewSettingsName", NULL},
237 {TIFFTAG_PREVIEWSETTINGSDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PreviewSettingsDigest", NULL},
238 {TIFFTAG_PREVIEWCOLORSPACE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PreviewColorSpace", NULL},
239 {TIFFTAG_PREVIEWDATETIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PreviewDateTime", NULL},
240 {TIFFTAG_RAWIMAGEDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RawImageDigest", NULL},
241 {TIFFTAG_ORIGINALRAWFILEDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalRawFileDigest", NULL},
242 {TIFFTAG_SUBTILEBLOCKSIZE, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubTileBlockSize", NULL},
243 {TIFFTAG_ROWINTERLEAVEFACTOR, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RowInterleaveFactor", NULL},
244 {TIFFTAG_PROFILELOOKTABLEDIMS, 3, 3, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileLookTableDims", NULL},
245 {TIFFTAG_PROFILELOOKTABLEDATA, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileLookTableData", NULL},
246 /* begin DNG 1.3.0.0 tags */
247 {TIFFTAG_OPCODELIST1, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OpcodeList1", NULL},
248 {TIFFTAG_OPCODELIST2, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OpcodeList2", NULL},
249 {TIFFTAG_OPCODELIST3, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OpcodeList3", NULL},
250 {TIFFTAG_NOISEPROFILE, -1, -1, TIFF_DOUBLE, 0, TIFF_SETGET_C16_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "NoiseProfile", NULL},
251 /* begin DNG 1.4.0.0 tags */
252 {TIFFTAG_DEFAULTUSERCROP, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultUserCrop", NULL},
253 {TIFFTAG_DEFAULTBLACKRENDER, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultBlackRender", NULL},
254 {TIFFTAG_BASELINEEXPOSUREOFFSET, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineExposureOffset", NULL},
255 {TIFFTAG_PROFILELOOKTABLEENCODING, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileLookTableEncoding", NULL},
256 {TIFFTAG_PROFILEHUESATMAPENCODING, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileHueSatMapEncoding", NULL},
257 {TIFFTAG_ORIGINALDEFAULTFINALSIZE, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalDefaultFinalSize", NULL},
258 {TIFFTAG_ORIGINALBESTQUALITYFINALSIZE, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalBestQualityFinalSize", NULL},
259 {TIFFTAG_ORIGINALDEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalDefaultCropSize", NULL}, /* could also be rational */
260 {TIFFTAG_NEWRAWIMAGEDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "NewRawImageDigest", NULL},
261 {TIFFTAG_RAWTOPREVIEWGAIN, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RawToPreviewGain", NULL},
262 /* begin DNG 1.5.0.0 tags */
263 {TIFFTAG_DEPTHFORMAT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthFormat", NULL},
264 {TIFFTAG_DEPTHNEAR, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthNear", NULL},
265 {TIFFTAG_DEPTHFAR, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthFar", NULL},
266 {TIFFTAG_DEPTHUNITS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthUnits", NULL},
267 {TIFFTAG_DEPTHMEASURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthMeasureType", NULL},
268 {TIFFTAG_ENHANCEPARAMS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EnhanceParams", NULL},
269 /* begin DNG 1.6.0.0 tags */
270 {TIFFTAG_PROFILEGAINTABLEMAP, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileGainTableMap", NULL},
271 {TIFFTAG_SEMANTICNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SemanticName", NULL},
272 {TIFFTAG_SEMANTICINSTANCEID, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SemanticInstanceID", NULL},
273 {TIFFTAG_MASKSUBAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaskSubArea", NULL},
274 {TIFFTAG_RGBTABLES, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "RGBTables", NULL},
275 {TIFFTAG_CALIBRATIONILLUMINANT3, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CalibrationIlluminant3", NULL},
276 {TIFFTAG_COLORMATRIX3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ColorMatrix3", NULL},
277 {TIFFTAG_CAMERACALIBRATION3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibration3", NULL},
278 {TIFFTAG_REDUCTIONMATRIX3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ReductionMatrix3", NULL},
279 {TIFFTAG_PROFILEHUESATMAPDATA3, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileHueSatMapData3", NULL},
280 {TIFFTAG_FORWARDMATRIX3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ForwardMatrix3", NULL},
281 {TIFFTAG_ILLUMINANTDATA1, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "IlluminantData1", NULL},
282 {TIFFTAG_ILLUMINANTDATA2, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "IlluminantData2", NULL},
283 {TIFFTAG_ILLUMINANTDATA3, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "IlluminantData3", NULL},
284 /* end DNG tags */
285 /* begin TIFF/EP tags */
286 {TIFFTAG_EP_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP CFARepeatPatternDim", NULL},
287 {TIFFTAG_EP_CFAPATTERN, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP CFAPattern", NULL},
288 /* TIFFTAG_EP_BATTERYLEVEL can be RATIONAL or ASCII.
289 * LibTiff defines it as ASCII and converts RATIONAL to an ASCII string. */
290 {TIFFTAG_EP_BATTERYLEVEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP BatteryLevel", NULL},
291 {TIFFTAG_EP_INTERLACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP Interlace", NULL},
292 /* TIFFTAG_EP_IPTC_NAA and TIFFTAG_RICHTIFFIPTC share the same tag number (33723)
293 * LibTIFF type is UNDEFINED or BYTE, but often times incorrectly specified as LONG, because TIFF/EP (ISO/DIS 12234-2) specifies type LONG or ASCII. */
294 {TIFFTAG_EP_TIMEZONEOFFSET, -1, -1, TIFF_SSHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP TimeZoneOffset", NULL},
295 {TIFFTAG_EP_SELFTIMERMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SelfTimerMode", NULL},
296 {TIFFTAG_EP_FLASHENERGY, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP FlashEnergy", NULL},
297 {TIFFTAG_EP_SPATIALFREQUENCYRESPONSE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP SpatialFrequencyResponse", NULL},
298 {TIFFTAG_EP_NOISE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP Noise", NULL},
299 {TIFFTAG_EP_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP FocalPlaneXResolution", NULL},
300 {TIFFTAG_EP_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP FocalPlaneYResolution", NULL},
301 {TIFFTAG_EP_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP FocalPlaneResolutionUnit", NULL},
302 {TIFFTAG_EP_IMAGENUMBER, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ImageNumber", NULL}, /* or SHORT */
303 {TIFFTAG_EP_SECURITYCLASSIFICATION, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SecurityClassification", NULL},
304 {TIFFTAG_EP_IMAGEHISTORY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ImageHistory", NULL},
305 {TIFFTAG_EP_EXPOSUREINDEX, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP ExposureIndex", NULL},
306 {TIFFTAG_EP_STANDARDID, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP StandardId", NULL},
307 {TIFFTAG_EP_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SensingMethod", NULL},
308 /* TIFF/EP tags equivalent to EXIF tags, sometimes defined differently. */
309 {TIFFTAG_EP_EXPOSURETIME, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP ExposureTime", NULL}, /*N=1 or 2 */
310 {TIFFTAG_EP_FNUMBER, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP FNumber", NULL},
311 {TIFFTAG_EP_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ExposureProgram", NULL},
312 {TIFFTAG_EP_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SpectralSensitivity", NULL},
313 {TIFFTAG_EP_ISOSPEEDRATINGS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ISOSpeedRatings", NULL},
314 {TIFFTAG_EP_OECF, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP OptoelectricConversionFactor", NULL},
315 {TIFFTAG_EP_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP DateTimeOriginal", NULL},
316 {TIFFTAG_EP_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP CompressedBitsPerPixel", NULL},
317 {TIFFTAG_EP_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ShutterSpeedValue", NULL},
318 {TIFFTAG_EP_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ApertureValue", NULL},
319 {TIFFTAG_EP_BRIGHTNESSVALUE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP BrightnessValue", NULL},
320 {TIFFTAG_EP_EXPOSUREBIASVALUE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP ExposureBiasValue", NULL}, /*N=1 or 2 */
321 {TIFFTAG_EP_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP MaxApertureValue", NULL},
322 {TIFFTAG_EP_SUBJECTDISTANCE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP SubjectDistance", NULL},
323 {TIFFTAG_EP_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP MeteringMode", NULL},
324 {TIFFTAG_EP_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP LightSource", NULL},
325 {TIFFTAG_EP_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP Flash", NULL},
326 {TIFFTAG_EP_FOCALLENGTH, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP FocalLength", NULL},
327 {TIFFTAG_EP_SUBJECTLOCATION, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP SubjectLocation", NULL},
328 /* end TIFF/EP tags */
329 #endif
330 /* begin TIFF/FX tags */
331 {TIFFTAG_INDEXED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Indexed", NULL},
332 {TIFFTAG_GLOBALPARAMETERSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GlobalParametersIFD", NULL},
333 {TIFFTAG_PROFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileType", NULL},
334 {TIFFTAG_FAXPROFILE, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FaxProfile", NULL},
335 {TIFFTAG_CODINGMETHODS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CodingMethods", NULL},
336 {TIFFTAG_VERSIONYEAR, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "VersionYear", NULL},
337 {TIFFTAG_MODENUMBER, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ModeNumber", NULL},
338 {TIFFTAG_DECODE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "Decode", NULL},
339 {TIFFTAG_IMAGEBASECOLOR, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ImageBaseColor", NULL},
340 {TIFFTAG_T82OPTIONS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "T82Options", NULL},
341 {TIFFTAG_STRIPROWCOUNTS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "StripRowCounts", NULL},
342 {TIFFTAG_IMAGELAYER, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageLayer", NULL},
343 /* end TIFF/FX tags */
344 /* begin pseudo tags */
345 };
346
347 /*
348 * EXIF tags (Version 2.31, July 2016 plus version 2.32 May 2019)
349 */
350 static const TIFFField exifFields[] = {
351 {EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL},
352 {EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL},
353 {EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureProgram", NULL},
354 {EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpectralSensitivity", NULL},
355 /* After EXIF 2.2.1 ISOSpeedRatings is named PhotographicSensitivity. In addition, while "Count=Any", only 1 count should be used. */
356 {EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ISOSpeedRatings", NULL},
357 {EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OptoelectricConversionFactor", NULL},
358 {EXIFTAG_SENSITIVITYTYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensitivityType", NULL},
359 {EXIFTAG_STANDARDOUTPUTSENSITIVITY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "StandardOutputSensitivity", NULL},
360 {EXIFTAG_RECOMMENDEDEXPOSUREINDEX, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RecommendedExposureIndex", NULL},
361 {EXIFTAG_ISOSPEED, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeed", NULL},
362 {EXIFTAG_ISOSPEEDLATITUDEYYY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudeyyy", NULL},
363 {EXIFTAG_ISOSPEEDLATITUDEZZZ, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudezzz", NULL},
364 {EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExifVersion", NULL},
365 {EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeOriginal", NULL},
366 {EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeDigitized", NULL},
367 {EXIFTAG_OFFSETTIME, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTime", NULL},
368 {EXIFTAG_OFFSETTIMEORIGINAL, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeOriginal", NULL},
369 {EXIFTAG_OFFSETTIMEDIGITIZED, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeDigitized", NULL},
370 {EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ComponentsConfiguration", NULL},
371 {EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL},
372 {EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL},
373 {EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL},
374 {EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL},
375 {EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL},
376 {EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL},
377 /*--: EXIFTAG_SUBJECTDISTANCE: LibTiff returns value of "-1" if numerator equals 4294967295 (0xFFFFFFFF) to indicate infinite distance!
378 * However, there are two other EXIF tags where numerator indicates a special value and six other cases where the denominator indicates special values,
379 * which are not treated within LibTiff!! */
380 {EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL},
381 {EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeteringMode", NULL},
382 {EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LightSource", NULL},
383 {EXIFTAG_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Flash", NULL},
384 {EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL},
385 {EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SubjectArea", NULL},
386 {EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MakerNote", NULL},
387 {EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "UserComment", NULL},
388 {EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTime", NULL},
389 {EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeOriginal", NULL},
390 {EXIFTAG_SUBSECTIMEDIGITIZED, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeDigitized", NULL},
391 {EXIFTAG_TEMPERATURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Temperature", NULL},
392 {EXIFTAG_HUMIDITY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Humidity", NULL},
393 {EXIFTAG_PRESSURE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Pressure", NULL},
394 {EXIFTAG_WATERDEPTH, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WaterDepth", NULL},
395 {EXIFTAG_ACCELERATION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Acceleration", NULL},
396 {EXIFTAG_CAMERAELEVATIONANGLE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraElevationAngle", NULL},
397 {EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashpixVersion", NULL},
398 {EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorSpace", NULL},
399 {EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelXDimension", NULL},
400 {EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelYDimension", NULL},
401 {EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RelatedSoundFile", NULL},
402 {EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL},
403 {EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SpatialFrequencyResponse", NULL},
404 {EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL},
405 {EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL},
406 {EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneResolutionUnit", NULL},
407 {EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectLocation", NULL},
408 {EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL},
409 {EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensingMethod", NULL},
410 {EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FileSource", NULL},
411 {EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneType", NULL},
412 {EXIFTAG_CFAPATTERN, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPattern", NULL},
413 {EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CustomRendered", NULL},
414 {EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureMode", NULL},
415 {EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhiteBalance", NULL},
416 {EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL},
417 {EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLengthIn35mmFilm", NULL},
418 {EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneCaptureType", NULL},
419 {EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL},
420 {EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Contrast", NULL},
421 {EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Saturation", NULL},
422 {EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Sharpness", NULL},
423 {EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DeviceSettingDescription", NULL},
424 {EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistanceRange", NULL},
425 {EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL},
426 {EXIFTAG_CAMERAOWNERNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraOwnerName", NULL},
427 {EXIFTAG_BODYSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BodySerialNumber", NULL},
428 {EXIFTAG_LENSSPECIFICATION, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSpecification", NULL},
429 {EXIFTAG_LENSMAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensMake", NULL},
430 {EXIFTAG_LENSMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensModel", NULL},
431 {EXIFTAG_LENSSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSerialNumber", NULL},
432 {EXIFTAG_GAMMA, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Gamma", NULL},
433 {EXIFTAG_COMPOSITEIMAGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompositeImage", NULL},
434 {EXIFTAG_SOURCEIMAGENUMBEROFCOMPOSITEIMAGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SourceImageNumberOfCompositeImage", NULL},
435 {EXIFTAG_SOURCEEXPOSURETIMESOFCOMPOSITEIMAGE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1,
436 "SourceExposureTimesOfCompositeImage", NULL}};
437 /*
438 * EXIF-GPS tags (Version 2.31, July 2016; nothing changed for version 2.32 May
439 * 2019)
440 */
441
442 static const TIFFField gpsFields[] = {
443 /* For the GPS tag definitions in gpsFields[] the standard definition for Rationals is TIFF_SETGET_DOUBLE and TIFF_SETGET_C0_FLOAT.
444 *-- ATTENTION: After the upgrade with Rational2Double, the GPSTAG values can now be written and also read in double precision!
445 * In order to achieve double precision for GPS tags: Standard definitions for GPSTAG is kept to TIFF_SETGET_DOUBLE
446 * and TIFF_SETGET_C0_FLOAT is changed to TIFF_SETGET_C0_DOUBLE.
447 */
448 {GPSTAG_VERSIONID, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UINT8, FIELD_CUSTOM, 1, 0, "VersionID", NULL},
449 {GPSTAG_LATITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LatitudeRef", NULL},
450 {GPSTAG_LATITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Latitude", NULL},
451 {GPSTAG_LONGITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LongitudeRef", NULL},
452 {GPSTAG_LONGITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Longitude", NULL},
453 {GPSTAG_ALTITUDEREF, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "AltitudeRef", NULL},
454 {GPSTAG_ALTITUDE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Altitude", NULL},
455 {GPSTAG_TIMESTAMP, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TimeStamp", NULL},
456 {GPSTAG_SATELLITES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Satellites", NULL},
457 {GPSTAG_STATUS, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Status", NULL},
458 {GPSTAG_MEASUREMODE, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeasureMode", NULL},
459 {GPSTAG_DOP, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DOP", NULL},
460 {GPSTAG_SPEEDREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpeedRef", NULL},
461 {GPSTAG_SPEED, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Speed", NULL},
462 {GPSTAG_TRACKREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TrackRef", NULL},
463 {GPSTAG_TRACK, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Track", NULL},
464 {GPSTAG_IMGDIRECTIONREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImgDirectionRef", NULL},
465 {GPSTAG_IMGDIRECTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImgDirection", NULL},
466 {GPSTAG_MAPDATUM, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MapDatum", NULL},
467 {GPSTAG_DESTLATITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLatitudeRef", NULL},
468 {GPSTAG_DESTLATITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLatitude", NULL},
469 {GPSTAG_DESTLONGITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLongitudeRef", NULL},
470 {GPSTAG_DESTLONGITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLongitude", NULL},
471 {GPSTAG_DESTBEARINGREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestBearingRef", NULL},
472 {GPSTAG_DESTBEARING, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestBearing", NULL},
473 {GPSTAG_DESTDISTANCEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestDistanceRef", NULL},
474 {GPSTAG_DESTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestDistance", NULL},
475 {GPSTAG_PROCESSINGMETHOD, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProcessingMethod", NULL},
476 {GPSTAG_AREAINFORMATION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AreaInformation", NULL},
477 {GPSTAG_DATESTAMP, 11, 11, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateStamp", NULL},
478 {GPSTAG_DIFFERENTIAL, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Differential", NULL},
479 {GPSTAG_GPSHPOSITIONINGERROR, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "HorizontalPositioningError", NULL}};
480 /* clang-format on */ /* was off for better readability of tag comments */
481
482 static const TIFFFieldArray tiffFieldArray = {
483 tfiatImage, 0, TIFFArrayCount(tiffFields), (TIFFField *)tiffFields};
484 static const TIFFFieldArray exifFieldArray = {
485 tfiatExif, 0, TIFFArrayCount(exifFields), (TIFFField *)exifFields};
486 static const TIFFFieldArray gpsFieldArray = {
487 tfiatGps, 0, TIFFArrayCount(gpsFields), (TIFFField *)gpsFields};
488
489 /*
490 * We have our own local lfind() equivalent to avoid subtle differences
491 * in types passed to lfind() on different systems.
492 */
493
td_lfind(const void * key,const void * base,size_t * nmemb,size_t size,int (* compar)(const void *,const void *))494 static void *td_lfind(const void *key, const void *base, size_t *nmemb,
495 size_t size, int (*compar)(const void *, const void *))
496 {
497 char *element, *end;
498
499 end = (char *)base + *nmemb * size;
500 for (element = (char *)base; element < end; element += size)
501 if (!compar(key, element)) /* key found */
502 return element;
503
504 return NULL;
505 }
506
_TIFFGetFields(void)507 const TIFFFieldArray *_TIFFGetFields(void) { return (&tiffFieldArray); }
508
_TIFFGetExifFields(void)509 const TIFFFieldArray *_TIFFGetExifFields(void) { return (&exifFieldArray); }
510
_TIFFGetGpsFields(void)511 const TIFFFieldArray *_TIFFGetGpsFields(void) { return (&gpsFieldArray); }
512
_TIFFSetupFields(TIFF * tif,const TIFFFieldArray * fieldarray)513 void _TIFFSetupFields(TIFF *tif, const TIFFFieldArray *fieldarray)
514 {
515 if (tif->tif_fields && tif->tif_nfields > 0)
516 {
517 uint32_t i;
518
519 for (i = 0; i < tif->tif_nfields; i++)
520 {
521 TIFFField *fld = tif->tif_fields[i];
522 if (fld->field_name != NULL)
523 {
524 if (fld->field_bit == FIELD_CUSTOM && TIFFFieldIsAnonymous(fld))
525 {
526 _TIFFfreeExt(tif, fld->field_name);
527 /* caution: tif_fields[i] must not be the beginning of a
528 * fields-array. Otherwise the following tags are also freed
529 * with the first free().
530 */
531 _TIFFfreeExt(tif, fld);
532 }
533 }
534 }
535
536 _TIFFfreeExt(tif, tif->tif_fields);
537 tif->tif_fields = NULL;
538 tif->tif_nfields = 0;
539 }
540 if (!_TIFFMergeFields(tif, fieldarray->fields, fieldarray->count))
541 {
542 TIFFErrorExtR(tif, "_TIFFSetupFields", "Setting up field info failed");
543 }
544 }
545
tagCompare(const void * a,const void * b)546 static int tagCompare(const void *a, const void *b)
547 {
548 const TIFFField *ta = *(const TIFFField **)a;
549 const TIFFField *tb = *(const TIFFField **)b;
550 /* NB: be careful of return values for 16-bit platforms */
551 if (ta->field_tag != tb->field_tag)
552 return (int)ta->field_tag - (int)tb->field_tag;
553 else
554 return (ta->field_type == TIFF_ANY)
555 ? 0
556 : ((int)tb->field_type - (int)ta->field_type);
557 }
558
tagNameCompare(const void * a,const void * b)559 static int tagNameCompare(const void *a, const void *b)
560 {
561 const TIFFField *ta = *(const TIFFField **)a;
562 const TIFFField *tb = *(const TIFFField **)b;
563 int ret = strcmp(ta->field_name, tb->field_name);
564
565 if (ret)
566 return ret;
567 else
568 return (ta->field_type == TIFF_ANY)
569 ? 0
570 : ((int)tb->field_type - (int)ta->field_type);
571 }
572
_TIFFMergeFields(TIFF * tif,const TIFFField info[],uint32_t n)573 int _TIFFMergeFields(TIFF *tif, const TIFFField info[], uint32_t n)
574 {
575 static const char module[] = "_TIFFMergeFields";
576 static const char reason[] = "for fields array";
577 /* TIFFField** tp; */
578 uint32_t i;
579
580 tif->tif_foundfield = NULL;
581
582 if (tif->tif_fields && tif->tif_nfields > 0)
583 {
584 tif->tif_fields = (TIFFField **)_TIFFCheckRealloc(
585 tif, tif->tif_fields, (tif->tif_nfields + n), sizeof(TIFFField *),
586 reason);
587 }
588 else
589 {
590 tif->tif_fields =
591 (TIFFField **)_TIFFCheckMalloc(tif, n, sizeof(TIFFField *), reason);
592 }
593 if (!tif->tif_fields)
594 {
595 TIFFErrorExtR(tif, module, "Failed to allocate fields array");
596 return 0;
597 }
598
599 /* tp = tif->tif_fields + tif->tif_nfields; */
600 for (i = 0; i < n; i++)
601 {
602 const TIFFField *fip = TIFFFindField(tif, info[i].field_tag, TIFF_ANY);
603
604 /* only add definitions that aren't already present */
605 if (!fip)
606 {
607 tif->tif_fields[tif->tif_nfields] = (TIFFField *)(info + i);
608 tif->tif_nfields++;
609 }
610 }
611
612 /* Sort the field info by tag number */
613 qsort(tif->tif_fields, tif->tif_nfields, sizeof(TIFFField *), tagCompare);
614
615 return n;
616 }
617
_TIFFPrintFieldInfo(TIFF * tif,FILE * fd)618 void _TIFFPrintFieldInfo(TIFF *tif, FILE *fd)
619 {
620 uint32_t i;
621
622 fprintf(fd, "%s: \n", tif->tif_name);
623 for (i = 0; i < tif->tif_nfields; i++)
624 {
625 const TIFFField *fip = tif->tif_fields[i];
626 fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n",
627 (int)i, (unsigned long)fip->field_tag, fip->field_readcount,
628 fip->field_writecount, fip->field_type, fip->field_bit,
629 fip->field_oktochange ? "TRUE" : "FALSE",
630 fip->field_passcount ? "TRUE" : "FALSE", fip->field_name);
631 }
632 }
633
634 /*
635 * Return size of TIFFDataType within TIFF-file in bytes
636 */
TIFFDataWidth(TIFFDataType type)637 int TIFFDataWidth(TIFFDataType type)
638 {
639 switch (type)
640 {
641 case 0: /* nothing */
642 case TIFF_BYTE:
643 case TIFF_ASCII:
644 case TIFF_SBYTE:
645 case TIFF_UNDEFINED:
646 return 1;
647 case TIFF_SHORT:
648 case TIFF_SSHORT:
649 return 2;
650 case TIFF_LONG:
651 case TIFF_SLONG:
652 case TIFF_FLOAT:
653 case TIFF_IFD:
654 return 4;
655 case TIFF_RATIONAL:
656 case TIFF_SRATIONAL:
657 case TIFF_DOUBLE:
658 case TIFF_LONG8:
659 case TIFF_SLONG8:
660 case TIFF_IFD8:
661 return 8;
662 default:
663 return 0; /* will return 0 for unknown types */
664 }
665 }
666
667 /*
668 * Return internal storage size of TIFFSetGetFieldType in bytes.
669 * TIFFSetField() and TIFFGetField() have to provide the parameter accordingly.
670 * Replaces internal functions _TIFFDataSize() and _TIFFSetGetFieldSize()
671 * with now extern available function TIFFFieldSetGetSize().
672 */
TIFFFieldSetGetSize(const TIFFField * fip)673 int TIFFFieldSetGetSize(const TIFFField *fip)
674 {
675 /*
676 * TIFFSetField() and TIFFGetField() must provide the parameter accordingly
677 * to the definition of "set_field_type" of the tag definition in
678 * dir_info.c. This function returns the data size for that purpose.
679 *
680 * Furthermore, this data size is also used for the internal storage,
681 * even for TIFF_RATIONAL values for FIELD_CUSTOM, which are stored
682 * internally as 4-byte float, but some of them should be stored internally
683 * as 8-byte double, depending on the "set_field_type" _FLOAT_ or _DOUBLE_.
684 */
685 if (fip == NULL)
686 return 0;
687
688 switch (fip->set_field_type)
689 {
690 case TIFF_SETGET_UNDEFINED:
691 case TIFF_SETGET_ASCII:
692 case TIFF_SETGET_C0_ASCII:
693 case TIFF_SETGET_C16_ASCII:
694 case TIFF_SETGET_C32_ASCII:
695 case TIFF_SETGET_OTHER:
696 return 1;
697 case TIFF_SETGET_UINT8:
698 case TIFF_SETGET_SINT8:
699 case TIFF_SETGET_C0_UINT8:
700 case TIFF_SETGET_C0_SINT8:
701 case TIFF_SETGET_C16_UINT8:
702 case TIFF_SETGET_C16_SINT8:
703 case TIFF_SETGET_C32_UINT8:
704 case TIFF_SETGET_C32_SINT8:
705 return 1;
706 case TIFF_SETGET_UINT16:
707 case TIFF_SETGET_SINT16:
708 case TIFF_SETGET_C0_UINT16:
709 case TIFF_SETGET_C0_SINT16:
710 case TIFF_SETGET_C16_UINT16:
711 case TIFF_SETGET_C16_SINT16:
712 case TIFF_SETGET_C32_UINT16:
713 case TIFF_SETGET_C32_SINT16:
714 return 2;
715 case TIFF_SETGET_INT:
716 case TIFF_SETGET_UINT32:
717 case TIFF_SETGET_SINT32:
718 case TIFF_SETGET_FLOAT:
719 case TIFF_SETGET_UINT16_PAIR:
720 case TIFF_SETGET_C0_UINT32:
721 case TIFF_SETGET_C0_SINT32:
722 case TIFF_SETGET_C0_FLOAT:
723 case TIFF_SETGET_C16_UINT32:
724 case TIFF_SETGET_C16_SINT32:
725 case TIFF_SETGET_C16_FLOAT:
726 case TIFF_SETGET_C32_UINT32:
727 case TIFF_SETGET_C32_SINT32:
728 case TIFF_SETGET_C32_FLOAT:
729 return 4;
730 case TIFF_SETGET_UINT64:
731 case TIFF_SETGET_SINT64:
732 case TIFF_SETGET_DOUBLE:
733 case TIFF_SETGET_IFD8:
734 case TIFF_SETGET_C0_UINT64:
735 case TIFF_SETGET_C0_SINT64:
736 case TIFF_SETGET_C0_DOUBLE:
737 case TIFF_SETGET_C0_IFD8:
738 case TIFF_SETGET_C16_UINT64:
739 case TIFF_SETGET_C16_SINT64:
740 case TIFF_SETGET_C16_DOUBLE:
741 case TIFF_SETGET_C16_IFD8:
742 case TIFF_SETGET_C32_UINT64:
743 case TIFF_SETGET_C32_SINT64:
744 case TIFF_SETGET_C32_DOUBLE:
745 case TIFF_SETGET_C32_IFD8:
746 return 8;
747 default:
748 return 0;
749 }
750 } /*-- TIFFFieldSetGetSize() --- */
751
752 /*
753 * Return size of count parameter of TIFFSetField() and TIFFGetField()
754 * and also if it is required: 0=none, 2=uint16_t, 4=uint32_t
755 */
TIFFFieldSetGetCountSize(const TIFFField * fip)756 int TIFFFieldSetGetCountSize(const TIFFField *fip)
757 {
758 if (fip == NULL)
759 return 0;
760
761 switch (fip->set_field_type)
762 {
763 case TIFF_SETGET_C16_ASCII:
764 case TIFF_SETGET_C16_UINT8:
765 case TIFF_SETGET_C16_SINT8:
766 case TIFF_SETGET_C16_UINT16:
767 case TIFF_SETGET_C16_SINT16:
768 case TIFF_SETGET_C16_UINT32:
769 case TIFF_SETGET_C16_SINT32:
770 case TIFF_SETGET_C16_FLOAT:
771 case TIFF_SETGET_C16_UINT64:
772 case TIFF_SETGET_C16_SINT64:
773 case TIFF_SETGET_C16_DOUBLE:
774 case TIFF_SETGET_C16_IFD8:
775 return 2;
776 case TIFF_SETGET_C32_ASCII:
777 case TIFF_SETGET_C32_UINT8:
778 case TIFF_SETGET_C32_SINT8:
779 case TIFF_SETGET_C32_UINT16:
780 case TIFF_SETGET_C32_SINT16:
781 case TIFF_SETGET_C32_UINT32:
782 case TIFF_SETGET_C32_SINT32:
783 case TIFF_SETGET_C32_FLOAT:
784 case TIFF_SETGET_C32_UINT64:
785 case TIFF_SETGET_C32_SINT64:
786 case TIFF_SETGET_C32_DOUBLE:
787 case TIFF_SETGET_C32_IFD8:
788 return 4;
789 default:
790 return 0;
791 }
792 } /*-- TIFFFieldSetGetCountSize() --- */
793
TIFFFindField(TIFF * tif,uint32_t tag,TIFFDataType dt)794 const TIFFField *TIFFFindField(TIFF *tif, uint32_t tag, TIFFDataType dt)
795 {
796 TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
797 TIFFField *pkey = &key;
798 const TIFFField **ret;
799 if (tif->tif_foundfield && tif->tif_foundfield->field_tag == tag &&
800 (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
801 return tif->tif_foundfield;
802
803 /* If we are invoked with no field information, then just return. */
804 if (!tif->tif_fields)
805 return NULL;
806
807 /* NB: use sorted search (e.g. binary search) */
808
809 key.field_tag = tag;
810 key.field_type = dt;
811
812 ret = (const TIFFField **)bsearch(&pkey, tif->tif_fields, tif->tif_nfields,
813 sizeof(TIFFField *), tagCompare);
814 return tif->tif_foundfield = (ret ? *ret : NULL);
815 }
816
_TIFFFindFieldByName(TIFF * tif,const char * field_name,TIFFDataType dt)817 static const TIFFField *_TIFFFindFieldByName(TIFF *tif, const char *field_name,
818 TIFFDataType dt)
819 {
820 TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
821 TIFFField *pkey = &key;
822 const TIFFField **ret;
823 if (tif->tif_foundfield &&
824 streq(tif->tif_foundfield->field_name, field_name) &&
825 (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
826 return (tif->tif_foundfield);
827
828 /* If we are invoked with no field information, then just return. */
829 if (!tif->tif_fields)
830 return NULL;
831
832 /* NB: use linear search since list is sorted by key#, not name */
833
834 key.field_name = (char *)field_name;
835 key.field_type = dt;
836
837 ret =
838 (const TIFFField **)td_lfind(&pkey, tif->tif_fields, &tif->tif_nfields,
839 sizeof(TIFFField *), tagNameCompare);
840
841 return tif->tif_foundfield = (ret ? *ret : NULL);
842 }
843
TIFFFieldWithTag(TIFF * tif,uint32_t tag)844 const TIFFField *TIFFFieldWithTag(TIFF *tif, uint32_t tag)
845 {
846 const TIFFField *fip = TIFFFindField(tif, tag, TIFF_ANY);
847 if (!fip)
848 {
849 TIFFWarningExtR(tif, "TIFFFieldWithTag", "Warning, unknown tag 0x%x",
850 (unsigned int)tag);
851 }
852 return (fip);
853 }
854
TIFFFieldWithName(TIFF * tif,const char * field_name)855 const TIFFField *TIFFFieldWithName(TIFF *tif, const char *field_name)
856 {
857 const TIFFField *fip = _TIFFFindFieldByName(tif, field_name, TIFF_ANY);
858 if (!fip)
859 {
860 TIFFWarningExtR(tif, "TIFFFieldWithName", "Warning, unknown tag %s",
861 field_name);
862 }
863 return (fip);
864 }
865
TIFFFieldTag(const TIFFField * fip)866 uint32_t TIFFFieldTag(const TIFFField *fip) { return fip->field_tag; }
867
TIFFFieldName(const TIFFField * fip)868 const char *TIFFFieldName(const TIFFField *fip) { return fip->field_name; }
869
TIFFFieldDataType(const TIFFField * fip)870 TIFFDataType TIFFFieldDataType(const TIFFField *fip) { return fip->field_type; }
871
TIFFFieldPassCount(const TIFFField * fip)872 int TIFFFieldPassCount(const TIFFField *fip) { return fip->field_passcount; }
873
TIFFFieldReadCount(const TIFFField * fip)874 int TIFFFieldReadCount(const TIFFField *fip) { return fip->field_readcount; }
875
TIFFFieldWriteCount(const TIFFField * fip)876 int TIFFFieldWriteCount(const TIFFField *fip) { return fip->field_writecount; }
877
TIFFFieldIsAnonymous(const TIFFField * fip)878 int TIFFFieldIsAnonymous(const TIFFField *fip) { return fip->field_anonymous; }
879
_TIFFFindOrRegisterField(TIFF * tif,uint32_t tag,TIFFDataType dt)880 const TIFFField *_TIFFFindOrRegisterField(TIFF *tif, uint32_t tag,
881 TIFFDataType dt)
882
883 {
884 const TIFFField *fld;
885
886 fld = TIFFFindField(tif, tag, dt);
887 if (fld == NULL)
888 {
889 fld = _TIFFCreateAnonField(tif, tag, dt);
890 if (!_TIFFMergeFields(tif, fld, 1))
891 return NULL;
892 }
893
894 return fld;
895 }
896
_TIFFCreateAnonField(TIFF * tif,uint32_t tag,TIFFDataType field_type)897 TIFFField *_TIFFCreateAnonField(TIFF *tif, uint32_t tag,
898 TIFFDataType field_type)
899 {
900 TIFFField *fld;
901 (void)tif;
902
903 fld = (TIFFField *)_TIFFmallocExt(tif, sizeof(TIFFField));
904 if (fld == NULL)
905 return NULL;
906 _TIFFmemset(fld, 0, sizeof(TIFFField));
907
908 fld->field_tag = tag;
909 fld->field_readcount = TIFF_VARIABLE2;
910 fld->field_writecount = TIFF_VARIABLE2;
911 fld->field_type = field_type;
912 fld->field_anonymous =
913 1; /* indicate that this is an anonymous / unknown tag */
914 switch (field_type)
915 {
916 case TIFF_BYTE:
917 case TIFF_UNDEFINED:
918 fld->set_field_type = TIFF_SETGET_C32_UINT8;
919 fld->get_field_type = TIFF_SETGET_C32_UINT8;
920 break;
921 case TIFF_ASCII:
922 fld->set_field_type = TIFF_SETGET_C32_ASCII;
923 fld->get_field_type = TIFF_SETGET_C32_ASCII;
924 break;
925 case TIFF_SHORT:
926 fld->set_field_type = TIFF_SETGET_C32_UINT16;
927 fld->get_field_type = TIFF_SETGET_C32_UINT16;
928 break;
929 case TIFF_LONG:
930 fld->set_field_type = TIFF_SETGET_C32_UINT32;
931 fld->get_field_type = TIFF_SETGET_C32_UINT32;
932 break;
933 case TIFF_RATIONAL:
934 case TIFF_SRATIONAL:
935 case TIFF_FLOAT:
936 fld->set_field_type = TIFF_SETGET_C32_FLOAT;
937 fld->get_field_type = TIFF_SETGET_C32_FLOAT;
938 break;
939 case TIFF_SBYTE:
940 fld->set_field_type = TIFF_SETGET_C32_SINT8;
941 fld->get_field_type = TIFF_SETGET_C32_SINT8;
942 break;
943 case TIFF_SSHORT:
944 fld->set_field_type = TIFF_SETGET_C32_SINT16;
945 fld->get_field_type = TIFF_SETGET_C32_SINT16;
946 break;
947 case TIFF_SLONG:
948 fld->set_field_type = TIFF_SETGET_C32_SINT32;
949 fld->get_field_type = TIFF_SETGET_C32_SINT32;
950 break;
951 case TIFF_DOUBLE:
952 fld->set_field_type = TIFF_SETGET_C32_DOUBLE;
953 fld->get_field_type = TIFF_SETGET_C32_DOUBLE;
954 break;
955 case TIFF_IFD:
956 case TIFF_IFD8:
957 fld->set_field_type = TIFF_SETGET_C32_IFD8;
958 fld->get_field_type = TIFF_SETGET_C32_IFD8;
959 break;
960 case TIFF_LONG8:
961 fld->set_field_type = TIFF_SETGET_C32_UINT64;
962 fld->get_field_type = TIFF_SETGET_C32_UINT64;
963 break;
964 case TIFF_SLONG8:
965 fld->set_field_type = TIFF_SETGET_C32_SINT64;
966 fld->get_field_type = TIFF_SETGET_C32_SINT64;
967 break;
968 default:
969 fld->set_field_type = TIFF_SETGET_UNDEFINED;
970 fld->get_field_type = TIFF_SETGET_UNDEFINED;
971 break;
972 }
973 fld->field_bit = FIELD_CUSTOM;
974 fld->field_oktochange = TRUE;
975 fld->field_passcount = TRUE;
976 fld->field_name = (char *)_TIFFmallocExt(tif, 32);
977 if (fld->field_name == NULL)
978 {
979 _TIFFfreeExt(tif, fld);
980 return NULL;
981 }
982 fld->field_subfields = NULL;
983
984 /*
985 * note that this name is a special sign to TIFFClose() and
986 * _TIFFSetupFields() to free the field
987 * Update:
988 * This special sign is replaced by fld->field_anonymous flag.
989 */
990 (void)snprintf(fld->field_name, 32, "Tag %d", (int)tag);
991
992 return fld;
993 }
994
995 /****************************************************************************
996 * O B S O L E T E D I N T E R F A C E S
997 *
998 * Don't use this stuff in your applications, it may be removed in the future
999 * libtiff versions.
1000 ****************************************************************************/
1001
_TIFFSetGetType(TIFFDataType type,short count,unsigned char passcount)1002 static TIFFSetGetFieldType _TIFFSetGetType(TIFFDataType type, short count,
1003 unsigned char passcount)
1004 {
1005 if (type == TIFF_ASCII && count == TIFF_VARIABLE && passcount == 0)
1006 return TIFF_SETGET_ASCII;
1007
1008 else if (count == 1 && passcount == 0)
1009 {
1010 switch (type)
1011 {
1012 case TIFF_BYTE:
1013 case TIFF_UNDEFINED:
1014 return TIFF_SETGET_UINT8;
1015 case TIFF_ASCII:
1016 return TIFF_SETGET_ASCII;
1017 case TIFF_SHORT:
1018 return TIFF_SETGET_UINT16;
1019 case TIFF_LONG:
1020 return TIFF_SETGET_UINT32;
1021 case TIFF_RATIONAL:
1022 case TIFF_SRATIONAL:
1023 case TIFF_FLOAT:
1024 return TIFF_SETGET_FLOAT;
1025 case TIFF_SBYTE:
1026 return TIFF_SETGET_SINT8;
1027 case TIFF_SSHORT:
1028 return TIFF_SETGET_SINT16;
1029 case TIFF_SLONG:
1030 return TIFF_SETGET_SINT32;
1031 case TIFF_DOUBLE:
1032 return TIFF_SETGET_DOUBLE;
1033 case TIFF_IFD:
1034 case TIFF_IFD8:
1035 return TIFF_SETGET_IFD8;
1036 case TIFF_LONG8:
1037 return TIFF_SETGET_UINT64;
1038 case TIFF_SLONG8:
1039 return TIFF_SETGET_SINT64;
1040 default:
1041 return TIFF_SETGET_UNDEFINED;
1042 }
1043 }
1044
1045 else if (count >= 1 && passcount == 0)
1046 {
1047 switch (type)
1048 {
1049 case TIFF_BYTE:
1050 case TIFF_UNDEFINED:
1051 return TIFF_SETGET_C0_UINT8;
1052 case TIFF_ASCII:
1053 return TIFF_SETGET_C0_ASCII;
1054 case TIFF_SHORT:
1055 return TIFF_SETGET_C0_UINT16;
1056 case TIFF_LONG:
1057 return TIFF_SETGET_C0_UINT32;
1058 case TIFF_RATIONAL:
1059 case TIFF_SRATIONAL:
1060 case TIFF_FLOAT:
1061 return TIFF_SETGET_C0_FLOAT;
1062 case TIFF_SBYTE:
1063 return TIFF_SETGET_C0_SINT8;
1064 case TIFF_SSHORT:
1065 return TIFF_SETGET_C0_SINT16;
1066 case TIFF_SLONG:
1067 return TIFF_SETGET_C0_SINT32;
1068 case TIFF_DOUBLE:
1069 return TIFF_SETGET_C0_DOUBLE;
1070 case TIFF_IFD:
1071 case TIFF_IFD8:
1072 return TIFF_SETGET_C0_IFD8;
1073 case TIFF_LONG8:
1074 return TIFF_SETGET_C0_UINT64;
1075 case TIFF_SLONG8:
1076 return TIFF_SETGET_C0_SINT64;
1077 default:
1078 return TIFF_SETGET_UNDEFINED;
1079 }
1080 }
1081
1082 else if (count == TIFF_VARIABLE && passcount == 1)
1083 {
1084 switch (type)
1085 {
1086 case TIFF_BYTE:
1087 case TIFF_UNDEFINED:
1088 return TIFF_SETGET_C16_UINT8;
1089 case TIFF_ASCII:
1090 return TIFF_SETGET_C16_ASCII;
1091 case TIFF_SHORT:
1092 return TIFF_SETGET_C16_UINT16;
1093 case TIFF_LONG:
1094 return TIFF_SETGET_C16_UINT32;
1095 case TIFF_RATIONAL:
1096 case TIFF_SRATIONAL:
1097 case TIFF_FLOAT:
1098 return TIFF_SETGET_C16_FLOAT;
1099 case TIFF_SBYTE:
1100 return TIFF_SETGET_C16_SINT8;
1101 case TIFF_SSHORT:
1102 return TIFF_SETGET_C16_SINT16;
1103 case TIFF_SLONG:
1104 return TIFF_SETGET_C16_SINT32;
1105 case TIFF_DOUBLE:
1106 return TIFF_SETGET_C16_DOUBLE;
1107 case TIFF_IFD:
1108 case TIFF_IFD8:
1109 return TIFF_SETGET_C16_IFD8;
1110 case TIFF_LONG8:
1111 return TIFF_SETGET_C16_UINT64;
1112 case TIFF_SLONG8:
1113 return TIFF_SETGET_C16_SINT64;
1114 default:
1115 return TIFF_SETGET_UNDEFINED;
1116 }
1117 }
1118
1119 else if (count == TIFF_VARIABLE2 && passcount == 1)
1120 {
1121 switch (type)
1122 {
1123 case TIFF_BYTE:
1124 case TIFF_UNDEFINED:
1125 return TIFF_SETGET_C32_UINT8;
1126 case TIFF_ASCII:
1127 return TIFF_SETGET_C32_ASCII;
1128 case TIFF_SHORT:
1129 return TIFF_SETGET_C32_UINT16;
1130 case TIFF_LONG:
1131 return TIFF_SETGET_C32_UINT32;
1132 case TIFF_RATIONAL:
1133 case TIFF_SRATIONAL:
1134 case TIFF_FLOAT:
1135 return TIFF_SETGET_C32_FLOAT;
1136 case TIFF_SBYTE:
1137 return TIFF_SETGET_C32_SINT8;
1138 case TIFF_SSHORT:
1139 return TIFF_SETGET_C32_SINT16;
1140 case TIFF_SLONG:
1141 return TIFF_SETGET_C32_SINT32;
1142 case TIFF_DOUBLE:
1143 return TIFF_SETGET_C32_DOUBLE;
1144 case TIFF_IFD:
1145 case TIFF_IFD8:
1146 return TIFF_SETGET_C32_IFD8;
1147 case TIFF_LONG8:
1148 return TIFF_SETGET_C32_UINT64;
1149 case TIFF_SLONG8:
1150 return TIFF_SETGET_C32_SINT64;
1151 default:
1152 return TIFF_SETGET_UNDEFINED;
1153 }
1154 }
1155
1156 return TIFF_SETGET_UNDEFINED;
1157 }
1158
TIFFMergeFieldInfo(TIFF * tif,const TIFFFieldInfo info[],uint32_t n)1159 int TIFFMergeFieldInfo(TIFF *tif, const TIFFFieldInfo info[], uint32_t n)
1160 {
1161 static const char module[] = "TIFFMergeFieldInfo";
1162 static const char reason[] = "for fields array";
1163 TIFFField *tp;
1164 size_t nfields;
1165 uint32_t i;
1166
1167 if (tif->tif_nfieldscompat > 0)
1168 {
1169 tif->tif_fieldscompat = (TIFFFieldArray *)_TIFFCheckRealloc(
1170 tif, tif->tif_fieldscompat, tif->tif_nfieldscompat + 1,
1171 sizeof(TIFFFieldArray), reason);
1172 }
1173 else
1174 {
1175 tif->tif_fieldscompat = (TIFFFieldArray *)_TIFFCheckMalloc(
1176 tif, 1, sizeof(TIFFFieldArray), reason);
1177 }
1178 if (!tif->tif_fieldscompat)
1179 {
1180 TIFFErrorExtR(tif, module, "Failed to allocate fields array");
1181 return -1;
1182 }
1183 nfields = tif->tif_nfieldscompat++;
1184
1185 tif->tif_fieldscompat[nfields].type = tfiatOther;
1186 tif->tif_fieldscompat[nfields].allocated_size = n;
1187 tif->tif_fieldscompat[nfields].count = n;
1188 tif->tif_fieldscompat[nfields].fields =
1189 (TIFFField *)_TIFFCheckMalloc(tif, n, sizeof(TIFFField), reason);
1190 if (!tif->tif_fieldscompat[nfields].fields)
1191 {
1192 TIFFErrorExtR(tif, module, "Failed to allocate fields array");
1193 return -1;
1194 }
1195
1196 tp = tif->tif_fieldscompat[nfields].fields;
1197 for (i = 0; i < n; i++)
1198 {
1199 tp->field_tag = info[i].field_tag;
1200 tp->field_readcount = info[i].field_readcount;
1201 tp->field_writecount = info[i].field_writecount;
1202 tp->field_type = info[i].field_type;
1203 tp->field_anonymous = 0;
1204 tp->set_field_type =
1205 _TIFFSetGetType(info[i].field_type, info[i].field_readcount,
1206 info[i].field_passcount);
1207 tp->get_field_type =
1208 _TIFFSetGetType(info[i].field_type, info[i].field_readcount,
1209 info[i].field_passcount);
1210 tp->field_bit = info[i].field_bit;
1211 tp->field_oktochange = info[i].field_oktochange;
1212 tp->field_passcount = info[i].field_passcount;
1213 if (info[i].field_name == NULL)
1214 {
1215 TIFFErrorExtR(tif, module,
1216 "Field_name of %d.th allocation tag %d is NULL", i,
1217 info[i].field_tag);
1218 return -1;
1219 }
1220 tp->field_name = info[i].field_name;
1221 tp->field_subfields = NULL;
1222 tp++;
1223 }
1224
1225 if (!_TIFFMergeFields(tif, tif->tif_fieldscompat[nfields].fields, n))
1226 {
1227 TIFFErrorExtR(tif, module, "Setting up field info failed");
1228 return -1;
1229 }
1230
1231 return 0;
1232 }
1233
_TIFFCheckFieldIsValidForCodec(TIFF * tif,ttag_t tag)1234 int _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
1235 {
1236 /* Filter out non-codec specific tags */
1237 switch (tag)
1238 {
1239 /* Shared tags */
1240 case TIFFTAG_PREDICTOR:
1241 /* JPEG tags */
1242 case TIFFTAG_JPEGTABLES:
1243 /* OJPEG tags */
1244 case TIFFTAG_JPEGIFOFFSET:
1245 case TIFFTAG_JPEGIFBYTECOUNT:
1246 case TIFFTAG_JPEGQTABLES:
1247 case TIFFTAG_JPEGDCTABLES:
1248 case TIFFTAG_JPEGACTABLES:
1249 case TIFFTAG_JPEGPROC:
1250 case TIFFTAG_JPEGRESTARTINTERVAL:
1251 /* CCITT* */
1252 case TIFFTAG_BADFAXLINES:
1253 case TIFFTAG_CLEANFAXDATA:
1254 case TIFFTAG_CONSECUTIVEBADFAXLINES:
1255 case TIFFTAG_GROUP3OPTIONS:
1256 case TIFFTAG_GROUP4OPTIONS:
1257 /* LERC */
1258 case TIFFTAG_LERC_PARAMETERS:
1259 break;
1260 default:
1261 return 1;
1262 }
1263 if (!TIFFIsCODECConfigured(tif->tif_dir.td_compression))
1264 {
1265 return 0;
1266 }
1267 /* Check if codec specific tags are allowed for the current
1268 * compression scheme (codec) */
1269 switch (tif->tif_dir.td_compression)
1270 {
1271 case COMPRESSION_LZW:
1272 if (tag == TIFFTAG_PREDICTOR)
1273 return 1;
1274 break;
1275 case COMPRESSION_PACKBITS:
1276 /* No codec-specific tags */
1277 break;
1278 case COMPRESSION_THUNDERSCAN:
1279 /* No codec-specific tags */
1280 break;
1281 case COMPRESSION_NEXT:
1282 /* No codec-specific tags */
1283 break;
1284 case COMPRESSION_JPEG:
1285 if (tag == TIFFTAG_JPEGTABLES)
1286 return 1;
1287 break;
1288 case COMPRESSION_OJPEG:
1289 switch (tag)
1290 {
1291 case TIFFTAG_JPEGIFOFFSET:
1292 case TIFFTAG_JPEGIFBYTECOUNT:
1293 case TIFFTAG_JPEGQTABLES:
1294 case TIFFTAG_JPEGDCTABLES:
1295 case TIFFTAG_JPEGACTABLES:
1296 case TIFFTAG_JPEGPROC:
1297 case TIFFTAG_JPEGRESTARTINTERVAL:
1298 return 1;
1299 }
1300 break;
1301 case COMPRESSION_CCITTRLE:
1302 case COMPRESSION_CCITTRLEW:
1303 case COMPRESSION_CCITTFAX3:
1304 case COMPRESSION_CCITTFAX4:
1305 switch (tag)
1306 {
1307 case TIFFTAG_BADFAXLINES:
1308 case TIFFTAG_CLEANFAXDATA:
1309 case TIFFTAG_CONSECUTIVEBADFAXLINES:
1310 return 1;
1311 case TIFFTAG_GROUP3OPTIONS:
1312 if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX3)
1313 return 1;
1314 break;
1315 case TIFFTAG_GROUP4OPTIONS:
1316 if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX4)
1317 return 1;
1318 break;
1319 }
1320 break;
1321 case COMPRESSION_JBIG:
1322 /* No codec-specific tags */
1323 break;
1324 case COMPRESSION_DEFLATE:
1325 case COMPRESSION_ADOBE_DEFLATE:
1326 if (tag == TIFFTAG_PREDICTOR)
1327 return 1;
1328 break;
1329 case COMPRESSION_PIXARLOG:
1330 if (tag == TIFFTAG_PREDICTOR)
1331 return 1;
1332 break;
1333 case COMPRESSION_SGILOG:
1334 case COMPRESSION_SGILOG24:
1335 /* No codec-specific tags */
1336 break;
1337 case COMPRESSION_LZMA:
1338 if (tag == TIFFTAG_PREDICTOR)
1339 return 1;
1340 break;
1341 case COMPRESSION_ZSTD:
1342 if (tag == TIFFTAG_PREDICTOR)
1343 return 1;
1344 break;
1345 case COMPRESSION_LERC:
1346 if (tag == TIFFTAG_LERC_PARAMETERS)
1347 return 1;
1348 break;
1349 }
1350 return 0;
1351 }
1352