1/* $Id: tif_dirinfo.c,v 1.114 2011-05-17 00:21:17 fwarmerdam Exp $ */
2
3/*
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
6 *
7 * Permission to use, copy, modify, distribute, and sell this software and
8 * its documentation for any purpose is hereby granted without fee, provided
9 * that (i) the above copyright notices and this permission notice appear in
10 * all copies of the software and related documentation, and (ii) the names of
11 * Sam Leffler and Silicon Graphics may not be used in any advertising or
12 * publicity relating to the software without the specific, prior written
13 * permission of Sam Leffler and Silicon Graphics.
14 *
15 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24 * OF THIS SOFTWARE.
25 */
26
27/*
28 * TIFF Library.
29 *
30 * Core Directory Tag Support.
31 */
32#include "tiffiop.h"
33#include <stdlib.h>
34
35/*
36 * NOTE: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG.
37 *
38 * NOTE: The second field (field_readcount) and third field (field_writecount)
39 *       sometimes use the values TIFF_VARIABLE (-1), TIFF_VARIABLE2 (-3)
40 *       and TIFFTAG_SPP (-2). The macros should be used but would throw off
41 *       the formatting of the code, so please interprete the -1, -2 and -3
42 *       values accordingly.
43 */
44
45static TIFFFieldArray tiffFieldArray;
46static TIFFFieldArray exifFieldArray;
47
48static TIFFField
49tiffFields[] = {
50    { TIFFTAG_SUBFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "SubfileType", NULL },
51    { TIFFTAG_OSUBFILETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "OldSubfileType", NULL },
52    { TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 0, 0, "ImageWidth", NULL },
53    { TIFFTAG_IMAGELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 1, 0, "ImageLength", NULL },
54    { TIFFTAG_BITSPERSAMPLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_BITSPERSAMPLE, 0, 0, "BitsPerSample", NULL },
55    { TIFFTAG_COMPRESSION, -1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_COMPRESSION, 0, 0, "Compression", NULL },
56    { TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PHOTOMETRIC, 0, 0, "PhotometricInterpretation", NULL },
57    { TIFFTAG_THRESHHOLDING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_THRESHHOLDING, 1, 0, "Threshholding", NULL },
58    { TIFFTAG_CELLWIDTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "CellWidth", NULL },
59    { TIFFTAG_CELLLENGTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "CellLength", NULL },
60    { TIFFTAG_FILLORDER, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_FILLORDER, 0, 0, "FillOrder", NULL },
61    { TIFFTAG_DOCUMENTNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DocumentName", NULL },
62    { TIFFTAG_IMAGEDESCRIPTION, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageDescription", NULL },
63    { TIFFTAG_MAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Make", NULL },
64    { TIFFTAG_MODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Model", NULL },
65    { TIFFTAG_STRIPOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "StripOffsets", NULL },
66    { TIFFTAG_ORIENTATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_ORIENTATION, 0, 0, "Orientation", NULL },
67    { TIFFTAG_SAMPLESPERPIXEL, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLESPERPIXEL, 0, 0, "SamplesPerPixel", NULL },
68    { TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_ROWSPERSTRIP, 0, 0, "RowsPerStrip", NULL },
69    { TIFFTAG_STRIPBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "StripByteCounts", NULL },
70    { TIFFTAG_MINSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MINSAMPLEVALUE, 1, 0, "MinSampleValue", NULL },
71    { TIFFTAG_MAXSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MAXSAMPLEVALUE, 1, 0, "MaxSampleValue", NULL },
72    { TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "XResolution", NULL },
73    { TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "YResolution", NULL },
74    { TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PLANARCONFIG, 0, 0, "PlanarConfiguration", NULL },
75    { TIFFTAG_PAGENAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PageName", NULL },
76    { TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "XPosition", NULL },
77    { TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "YPosition", NULL },
78    { TIFFTAG_FREEOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeOffsets", NULL },
79    { TIFFTAG_FREEBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeByteCounts", NULL },
80    { TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseUnit", NULL },
81    { TIFFTAG_GRAYRESPONSECURVE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseCurve", NULL },
82    { TIFFTAG_RESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTIONUNIT, 1, 0, "ResolutionUnit", NULL },
83    { TIFFTAG_PAGENUMBER, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_PAGENUMBER, 1, 0, "PageNumber", NULL },
84    { TIFFTAG_COLORRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "ColorResponseUnit", NULL },
85    { TIFFTAG_TRANSFERFUNCTION, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_TRANSFERFUNCTION, 1, 0, "TransferFunction", NULL },
86    { TIFFTAG_SOFTWARE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Software", NULL },
87    { TIFFTAG_DATETIME, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTime", NULL },
88    { TIFFTAG_ARTIST, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Artist", NULL },
89    { TIFFTAG_HOSTCOMPUTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "HostComputer", NULL },
90    { TIFFTAG_WHITEPOINT, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhitePoint", NULL },
91    { TIFFTAG_PRIMARYCHROMATICITIES, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PrimaryChromaticities", NULL },
92    { TIFFTAG_COLORMAP, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_COLORMAP, 1, 0, "ColorMap", NULL },
93    { TIFFTAG_HALFTONEHINTS, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_HALFTONEHINTS, 1, 0, "HalftoneHints", NULL },
94    { TIFFTAG_TILEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileWidth", NULL },
95    { TIFFTAG_TILELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileLength", NULL },
96    { TIFFTAG_TILEOFFSETS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "TileOffsets", NULL },
97    { TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "TileByteCounts", NULL },
98    { TIFFTAG_SUBIFD, -1, -1, TIFF_IFD8, 0, TIFF_SETGET_C16_IFD8, TIFF_SETGET_UNDEFINED, FIELD_SUBIFD, 1, 1, "SubIFD", &tiffFieldArray },
99    { TIFFTAG_INKSET, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InkSet", NULL },
100    { TIFFTAG_INKNAMES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_C16_ASCII, TIFF_SETGET_UNDEFINED, FIELD_INKNAMES, 1, 1, "InkNames", NULL },
101    { TIFFTAG_NUMBEROFINKS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "NumberOfInks", NULL },
102    { TIFFTAG_DOTRANGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DotRange", NULL },
103    { TIFFTAG_TARGETPRINTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TargetPrinter", NULL },
104    { TIFFTAG_EXTRASAMPLES, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 1, "ExtraSamples", NULL },
105    { TIFFTAG_SAMPLEFORMAT, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "SampleFormat", NULL },
106    { TIFFTAG_SMINSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMINSAMPLEVALUE, 1, 0, "SMinSampleValue", NULL },
107    { TIFFTAG_SMAXSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMAXSAMPLEVALUE, 1, 0, "SMaxSampleValue", NULL },
108    { TIFFTAG_CLIPPATH, -1, -3, TIFF_BYTE, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ClipPath", NULL },
109    { TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_SLONG, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL },
110    { TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_SBYTE, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL },
111    { TIFFTAG_YCLIPPATHUNITS, 1, 1, TIFF_SLONG, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YClipPathUnits", NULL },
112    { TIFFTAG_YCBCRCOEFFICIENTS, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YCbCrCoefficients", NULL },
113    { TIFFTAG_YCBCRSUBSAMPLING, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_YCBCRSUBSAMPLING, 0, 0, "YCbCrSubsampling", NULL },
114    { TIFFTAG_YCBCRPOSITIONING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_YCBCRPOSITIONING, 0, 0, "YCbCrPositioning", NULL },
115    { TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_REFBLACKWHITE, 1, 0, "ReferenceBlackWhite", NULL },
116    { TIFFTAG_XMLPACKET, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "XMLPacket", NULL },
117    /* begin SGI tags */
118    { TIFFTAG_MATTEING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 0, "Matteing", NULL },
119    { TIFFTAG_DATATYPE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "DataType", NULL },
120    { TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDEPTH, 0, 0, "ImageDepth", NULL },
121    { TIFFTAG_TILEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDEPTH, 0, 0, "TileDepth", NULL },
122    /* end SGI tags */
123    /* begin Pixar tags */
124    { TIFFTAG_PIXAR_IMAGEFULLWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullWidth", NULL },
125    { TIFFTAG_PIXAR_IMAGEFULLLENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullLength", NULL },
126    { TIFFTAG_PIXAR_TEXTUREFORMAT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureFormat", NULL },
127    { TIFFTAG_PIXAR_WRAPMODES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureWrapModes", NULL },
128    { TIFFTAG_PIXAR_FOVCOT, 1, 1, TIFF_FLOAT, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FieldOfViewCotangent", NULL },
129    { TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToScreen", NULL },
130    { TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToCamera", NULL },
131    { TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL },
132    /* end Pixar tags */
133    { TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_LONG, 0, TIFF_SETGET_C32_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
134    { TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Photoshop", NULL },
135    { TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "EXIFIFDOffset", &exifFieldArray },
136    { TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ICC Profile", NULL },
137    { TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "GPSIFDOffset", NULL },
138    { TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvParams", NULL },
139    { TIFFTAG_FAXSUBADDRESS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxSubAddress", NULL },
140    { TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvTime", NULL },
141    { TIFFTAG_FAXDCS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxDcs", NULL },
142    { TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "StoNits", NULL },
143    { TIFFTAG_INTEROPERABILITYIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InteroperabilityIFDOffset", NULL },
144    /* begin DNG tags */
145    { TIFFTAG_DNGVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGVersion", NULL },
146    { TIFFTAG_DNGBACKWARDVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGBackwardVersion", NULL },
147    { TIFFTAG_UNIQUECAMERAMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "UniqueCameraModel", NULL },
148    { TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LocalizedCameraModel", NULL },
149    { TIFFTAG_CFAPLANECOLOR, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CFAPlaneColor", NULL },
150    { TIFFTAG_CFALAYOUT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CFALayout", NULL },
151    { TIFFTAG_LINEARIZATIONTABLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "LinearizationTable", NULL },
152    { TIFFTAG_BLACKLEVELREPEATDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BlackLevelRepeatDim", NULL },
153    { TIFFTAG_BLACKLEVEL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevel", NULL },
154    { TIFFTAG_BLACKLEVELDELTAH, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaH", NULL },
155    { TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaV", NULL },
156    { TIFFTAG_WHITELEVEL, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "WhiteLevel", NULL },
157    { TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultScale", NULL },
158    { TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BestQualityScale", NULL },
159    { TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropOrigin", NULL },
160    { TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropSize", NULL },
161    { TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix1", NULL },
162    { TIFFTAG_COLORMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix2", NULL },
163    { TIFFTAG_CAMERACALIBRATION1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration1", NULL },
164    { TIFFTAG_CAMERACALIBRATION2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration2", NULL },
165    { TIFFTAG_REDUCTIONMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix1", NULL },
166    { TIFFTAG_REDUCTIONMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix2", NULL },
167    { TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AnalogBalance", NULL },
168    { TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotNeutral", NULL },
169    { TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AsShotWhiteXY", NULL },
170    { TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineExposure", NULL },
171    { TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineNoise", NULL },
172    { TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineSharpness", NULL },
173    { TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BayerGreenSplit", NULL },
174    { TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LinearResponseLimit", NULL },
175    { TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraSerialNumber", NULL },
176    { TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LensInfo", NULL },
177    { TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ChromaBlurRadius", NULL },
178    { TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AntiAliasStrength", NULL },
179    { TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ShadowScale", NULL },
180    { TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "DNGPrivateData", NULL },
181    { TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "MakerNoteSafety", NULL },
182    { TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant1", NULL },
183    { TIFFTAG_CALIBRATIONILLUMINANT2, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant2", NULL },
184    { TIFFTAG_RAWDATAUNIQUEID, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "RawDataUniqueID", NULL },
185    { TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileName", NULL },
186    { TIFFTAG_ORIGINALRAWFILEDATA, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "OriginalRawFileData", NULL },
187    { TIFFTAG_ACTIVEAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ActiveArea", NULL },
188    { TIFFTAG_MASKEDAREAS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "MaskedAreas", NULL },
189    { TIFFTAG_ASSHOTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotICCProfile", NULL },
190    { TIFFTAG_ASSHOTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotPreProfileMatrix", NULL },
191    { TIFFTAG_CURRENTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentICCProfile", NULL },
192    { TIFFTAG_CURRENTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentPreProfileMatrix", NULL },
193    /* end DNG tags */
194    /* begin pseudo tags */
195    { TIFFTAG_PERSAMPLE, 0, 0, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "PerSample", NULL},
196};
197
198static TIFFField
199exifFields[] = {
200    { EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL },
201    { EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL },
202    { EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureProgram", NULL },
203    { EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpectralSensitivity", NULL },
204    { EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ISOSpeedRatings", NULL },
205    { EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OptoelectricConversionFactor", NULL },
206    { EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExifVersion", NULL },
207    { EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeOriginal", NULL },
208    { EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeDigitized", NULL },
209    { EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ComponentsConfiguration", NULL },
210    { EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL },
211    { EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL },
212    { EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL },
213    { EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL },
214    { EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL },
215    { EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL },
216    { EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL },
217    { EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeteringMode", NULL },
218    { EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LightSource", NULL },
219    { EXIFTAG_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Flash", NULL },
220    { EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL },
221    { EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SubjectArea", NULL },
222    { EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MakerNote", NULL },
223    { EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "UserComment", NULL },
224    { EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTime", NULL },
225    { EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeOriginal", NULL },
226    { EXIFTAG_SUBSECTIMEDIGITIZED, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeDigitized", NULL },
227    { EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashpixVersion", NULL },
228    { EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorSpace", NULL },
229    { EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelXDimension", NULL },
230    { EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelYDimension", NULL },
231    { EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RelatedSoundFile", NULL },
232    { EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL },
233    { EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SpatialFrequencyResponse", NULL },
234    { EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL },
235    { EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL },
236    { EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneResolutionUnit", NULL },
237    { EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectLocation", NULL },
238    { EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL },
239    { EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensingMethod", NULL },
240    { EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FileSource", NULL },
241    { EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneType", NULL },
242    { EXIFTAG_CFAPATTERN, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPattern", NULL },
243    { EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CustomRendered", NULL },
244    { EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureMode", NULL },
245    { EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhiteBalance", NULL },
246    { EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL },
247    { EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLengthIn35mmFilm", NULL },
248    { EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneCaptureType", NULL },
249    { EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL },
250    { EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Contrast", NULL },
251    { EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Saturation", NULL },
252    { EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Sharpness", NULL },
253    { EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DeviceSettingDescription", NULL },
254    { EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistanceRange", NULL },
255    { EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL }
256};
257
258static TIFFFieldArray
259tiffFieldArray = { tfiatImage, 0, TIFFArrayCount(tiffFields), tiffFields };
260static TIFFFieldArray
261exifFieldArray = { tfiatExif, 0, TIFFArrayCount(exifFields), exifFields };
262
263/*
264 *  We have our own local lfind() equivelent to avoid subtle differences
265 *  in types passed to lfind() on different systems.
266 */
267
268static void *
269td_lfind(const void *key, const void *base, size_t *nmemb, size_t size,
270         int(*compar)(const void *, const void *))
271{
272    char *element, *end;
273
274    end = (char *)base + *nmemb * size;
275    for (element = (char *)base; element < end; element += size)
276        if (!compar(key, element))		/* key found */
277            return element;
278
279    return NULL;
280}
281
282const TIFFFieldArray*
283_TIFFGetFields(void)
284{
285    return(&tiffFieldArray);
286}
287
288const TIFFFieldArray*
289_TIFFGetExifFields(void)
290{
291    return(&exifFieldArray);
292}
293
294void
295_TIFFSetupFields(TIFF* tif, const TIFFFieldArray* fieldarray)
296{
297    if (tif->tif_fields && tif->tif_nfields > 0) {
298        uint32 i;
299
300        for (i = 0; i < tif->tif_nfields; i++) {
301            TIFFField *fld = tif->tif_fields[i];
302            if (fld->field_bit == FIELD_CUSTOM &&
303                strncmp("Tag ", fld->field_name, 4) == 0) {
304                    _TIFFfree(fld->field_name);
305                    _TIFFfree(fld);
306                }
307        }
308
309        _TIFFfree(tif->tif_fields);
310        tif->tif_fields = NULL;
311        tif->tif_nfields = 0;
312    }
313    if (!_TIFFMergeFields(tif, fieldarray->fields, fieldarray->count)) {
314        TIFFErrorExt(tif->tif_clientdata, "_TIFFSetupFields",
315                 "Setting up field info failed");
316    }
317}
318
319static int
320tagCompare(const void* a, const void* b)
321{
322    const TIFFField* ta = *(const TIFFField**) a;
323    const TIFFField* tb = *(const TIFFField**) b;
324    /* NB: be careful of return values for 16-bit platforms */
325    if (ta->field_tag != tb->field_tag)
326        return (int)ta->field_tag - (int)tb->field_tag;
327    else
328        return (ta->field_type == TIFF_ANY) ?
329            0 : ((int)tb->field_type - (int)ta->field_type);
330}
331
332static int
333tagNameCompare(const void* a, const void* b)
334{
335    const TIFFField* ta = *(const TIFFField**) a;
336    const TIFFField* tb = *(const TIFFField**) b;
337    int ret = strcmp(ta->field_name, tb->field_name);
338
339    if (ret)
340        return ret;
341    else
342        return (ta->field_type == TIFF_ANY) ?
343            0 : ((int)tb->field_type - (int)ta->field_type);
344}
345
346int
347_TIFFMergeFields(TIFF* tif, const TIFFField info[], uint32 n)
348{
349    static const char module[] = "_TIFFMergeFields";
350    static const char reason[] = "for fields array";
351    TIFFField** tp;
352    uint32 i;
353
354        tif->tif_foundfield = NULL;
355
356    if (tif->tif_fields && tif->tif_nfields > 0) {
357        tif->tif_fields = (TIFFField**)
358            _TIFFCheckRealloc(tif, tif->tif_fields,
359                      (tif->tif_nfields + n),
360                      sizeof(TIFFField *), reason);
361    } else {
362        tif->tif_fields = (TIFFField **)
363            _TIFFCheckMalloc(tif, n, sizeof(TIFFField *),
364                     reason);
365    }
366    if (!tif->tif_fields) {
367        TIFFErrorExt(tif->tif_clientdata, module,
368                 "Failed to allocate fields array");
369        return 0;
370    }
371
372    tp = tif->tif_fields + tif->tif_nfields;
373    for (i = 0; i < n; i++) {
374        const TIFFField *fip =
375            TIFFFindField(tif, info[i].field_tag, TIFF_ANY);
376
377                /* only add definitions that aren't already present */
378        if (!fip) {
379                        tif->tif_fields[tif->tif_nfields] = (TIFFField *) (info+i);
380                        tif->tif_nfields++;
381                }
382    }
383
384        /* Sort the field info by tag number */
385    qsort(tif->tif_fields, tif->tif_nfields,
386          sizeof(TIFFField *), tagCompare);
387
388    return n;
389}
390
391void
392_TIFFPrintFieldInfo(TIFF* tif, FILE* fd)
393{
394    uint32 i;
395
396    fprintf(fd, "%s: \n", tif->tif_name);
397    for (i = 0; i < tif->tif_nfields; i++) {
398        const TIFFField* fip = tif->tif_fields[i];
399        fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n"
400            , (int)i
401            , (unsigned long) fip->field_tag
402            , fip->field_readcount, fip->field_writecount
403            , fip->field_type
404            , fip->field_bit
405            , fip->field_oktochange ? "TRUE" : "FALSE"
406            , fip->field_passcount ? "TRUE" : "FALSE"
407            , fip->field_name
408        );
409    }
410}
411
412/*
413 * Return size of TIFFDataType in bytes
414 */
415int
416TIFFDataWidth(TIFFDataType type)
417{
418    switch(type)
419    {
420        case 0:  /* nothing */
421        case TIFF_BYTE:
422        case TIFF_ASCII:
423        case TIFF_SBYTE:
424        case TIFF_UNDEFINED:
425            return 1;
426        case TIFF_SHORT:
427        case TIFF_SSHORT:
428            return 2;
429        case TIFF_LONG:
430        case TIFF_SLONG:
431        case TIFF_FLOAT:
432        case TIFF_IFD:
433            return 4;
434        case TIFF_RATIONAL:
435        case TIFF_SRATIONAL:
436        case TIFF_DOUBLE:
437        case TIFF_LONG8:
438        case TIFF_SLONG8:
439        case TIFF_IFD8:
440            return 8;
441        default:
442            return 0; /* will return 0 for unknown types */
443    }
444}
445
446/*
447 * Return size of TIFFDataType in bytes.
448 *
449 * XXX: We need a separate function to determine the space needed
450 * to store the value. For TIFF_RATIONAL values TIFFDataWidth() returns 8,
451 * but we use 4-byte float to represent rationals.
452 */
453int
454_TIFFDataSize(TIFFDataType type)
455{
456    switch (type)
457    {
458        case TIFF_BYTE:
459        case TIFF_SBYTE:
460        case TIFF_ASCII:
461        case TIFF_UNDEFINED:
462            return 1;
463        case TIFF_SHORT:
464        case TIFF_SSHORT:
465            return 2;
466        case TIFF_LONG:
467        case TIFF_SLONG:
468        case TIFF_FLOAT:
469        case TIFF_IFD:
470        case TIFF_RATIONAL:
471        case TIFF_SRATIONAL:
472            return 4;
473        case TIFF_DOUBLE:
474        case TIFF_LONG8:
475        case TIFF_SLONG8:
476        case TIFF_IFD8:
477            return 8;
478        default:
479            return 0;
480    }
481}
482
483const TIFFField*
484TIFFFindField(TIFF* tif, uint32 tag, TIFFDataType dt)
485{
486    TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
487    TIFFField* pkey = &key;
488    const TIFFField **ret;
489    if (tif->tif_foundfield && tif->tif_foundfield->field_tag == tag &&
490        (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
491        return tif->tif_foundfield;
492
493    /* If we are invoked with no field information, then just return. */
494    if (!tif->tif_fields)
495        return NULL;
496
497    /* NB: use sorted search (e.g. binary search) */
498
499    key.field_tag = tag;
500    key.field_type = dt;
501
502    ret = (const TIFFField **) bsearch(&pkey, tif->tif_fields,
503                       tif->tif_nfields,
504                       sizeof(TIFFField *), tagCompare);
505    return tif->tif_foundfield = (ret ? *ret : NULL);
506}
507
508const TIFFField*
509_TIFFFindFieldByName(TIFF* tif, const char *field_name, TIFFDataType dt)
510{
511    TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
512    TIFFField* pkey = &key;
513    const TIFFField **ret;
514    if (tif->tif_foundfield
515        && streq(tif->tif_foundfield->field_name, field_name)
516        && (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
517        return (tif->tif_foundfield);
518
519    /* If we are invoked with no field information, then just return. */
520    if (!tif->tif_fields)
521        return NULL;
522
523    /* NB: use linear search since list is sorted by key#, not name */
524
525    key.field_name = (char *)field_name;
526    key.field_type = dt;
527
528    ret = (const TIFFField **)
529            td_lfind(&pkey, tif->tif_fields, &tif->tif_nfields,
530                     sizeof(TIFFField *), tagNameCompare);
531
532    return tif->tif_foundfield = (ret ? *ret : NULL);
533}
534
535const TIFFField*
536TIFFFieldWithTag(TIFF* tif, uint32 tag)
537{
538    const TIFFField* fip = TIFFFindField(tif, tag, TIFF_ANY);
539    if (!fip) {
540        TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithTag",
541                 "Internal error, unknown tag 0x%x",
542                 (unsigned int) tag);
543    }
544    return (fip);
545}
546
547const TIFFField*
548TIFFFieldWithName(TIFF* tif, const char *field_name)
549{
550    const TIFFField* fip =
551        _TIFFFindFieldByName(tif, field_name, TIFF_ANY);
552    if (!fip) {
553        TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithName",
554                 "Internal error, unknown tag %s", field_name);
555    }
556    return (fip);
557}
558
559const TIFFField*
560_TIFFFindOrRegisterField(TIFF *tif, uint32 tag, TIFFDataType dt)
561
562{
563    const TIFFField *fld;
564
565    fld = TIFFFindField(tif, tag, dt);
566    if (fld == NULL) {
567        fld = _TIFFCreateAnonField(tif, tag, dt);
568        if (!_TIFFMergeFields(tif, fld, 1))
569            return NULL;
570    }
571
572    return fld;
573}
574
575TIFFField*
576_TIFFCreateAnonField(TIFF *tif, uint32 tag, TIFFDataType field_type)
577{
578    TIFFField *fld;
579    (void) tif;
580
581    fld = (TIFFField *) _TIFFmalloc(sizeof (TIFFField));
582    if (fld == NULL)
583        return NULL;
584    _TIFFmemset(fld, 0, sizeof(TIFFField));
585
586    fld->field_tag = tag;
587    fld->field_readcount = TIFF_VARIABLE2;
588    fld->field_writecount = TIFF_VARIABLE2;
589    fld->field_type = field_type;
590    fld->reserved = 0;
591    switch (field_type)
592    {
593        case TIFF_BYTE:
594        case TIFF_UNDEFINED:
595            fld->set_field_type = TIFF_SETGET_C32_UINT8;
596            fld->get_field_type = TIFF_SETGET_C32_UINT8;
597            break;
598        case TIFF_ASCII:
599            fld->set_field_type = TIFF_SETGET_C32_ASCII;
600            fld->get_field_type = TIFF_SETGET_C32_ASCII;
601            break;
602        case TIFF_SHORT:
603            fld->set_field_type = TIFF_SETGET_C32_UINT16;
604            fld->get_field_type = TIFF_SETGET_C32_UINT16;
605            break;
606        case TIFF_LONG:
607            fld->set_field_type = TIFF_SETGET_C32_UINT32;
608            fld->get_field_type = TIFF_SETGET_C32_UINT32;
609            break;
610        case TIFF_RATIONAL:
611        case TIFF_SRATIONAL:
612        case TIFF_FLOAT:
613            fld->set_field_type = TIFF_SETGET_C32_FLOAT;
614            fld->get_field_type = TIFF_SETGET_C32_FLOAT;
615            break;
616        case TIFF_SBYTE:
617            fld->set_field_type = TIFF_SETGET_C32_SINT8;
618            fld->get_field_type = TIFF_SETGET_C32_SINT8;
619            break;
620        case TIFF_SSHORT:
621            fld->set_field_type = TIFF_SETGET_C32_SINT16;
622            fld->get_field_type = TIFF_SETGET_C32_SINT16;
623            break;
624        case TIFF_SLONG:
625            fld->set_field_type = TIFF_SETGET_C32_SINT32;
626            fld->get_field_type = TIFF_SETGET_C32_SINT32;
627            break;
628        case TIFF_DOUBLE:
629            fld->set_field_type = TIFF_SETGET_C32_DOUBLE;
630            fld->get_field_type = TIFF_SETGET_C32_DOUBLE;
631            break;
632        case TIFF_IFD:
633        case TIFF_IFD8:
634            fld->set_field_type = TIFF_SETGET_C32_IFD8;
635            fld->get_field_type = TIFF_SETGET_C32_IFD8;
636            break;
637        case TIFF_LONG8:
638            fld->set_field_type = TIFF_SETGET_C32_UINT64;
639            fld->get_field_type = TIFF_SETGET_C32_UINT64;
640            break;
641        case TIFF_SLONG8:
642            fld->set_field_type = TIFF_SETGET_C32_SINT64;
643            fld->get_field_type = TIFF_SETGET_C32_SINT64;
644            break;
645        default:
646            fld->set_field_type = TIFF_SETGET_UNDEFINED;
647            fld->get_field_type = TIFF_SETGET_UNDEFINED;
648            break;
649    }
650    fld->field_bit = FIELD_CUSTOM;
651    fld->field_oktochange = TRUE;
652    fld->field_passcount = TRUE;
653    fld->field_name = (char *) _TIFFmalloc(32);
654    if (fld->field_name == NULL) {
655        _TIFFfree(fld);
656        return NULL;
657    }
658    fld->field_subfields = NULL;
659
660    /*
661     * note that this name is a special sign to TIFFClose() and
662     * _TIFFSetupFields() to free the field
663     */
664    sprintf(fld->field_name, "Tag %d", (int) tag);
665
666    return fld;
667}
668
669/****************************************************************************
670 *               O B S O L E T E D    I N T E R F A C E S
671 *
672 * Don't use this stuff in your applications, it may be removed in the future
673 * libtiff versions.
674 ****************************************************************************/
675
676static TIFFSetGetFieldType
677_TIFFSetGetType(TIFFDataType type, short count, unsigned char passcount)
678{
679    if (type == TIFF_ASCII && count == TIFF_VARIABLE && passcount == 0)
680        return TIFF_SETGET_ASCII;
681
682    else if (count == 1 && passcount == 0) {
683        switch (type)
684        {
685            case TIFF_BYTE:
686            case TIFF_UNDEFINED:
687                return TIFF_SETGET_UINT8;
688            case TIFF_ASCII:
689                return TIFF_SETGET_ASCII;
690            case TIFF_SHORT:
691                return TIFF_SETGET_UINT16;
692            case TIFF_LONG:
693                return TIFF_SETGET_UINT32;
694            case TIFF_RATIONAL:
695            case TIFF_SRATIONAL:
696            case TIFF_FLOAT:
697                return TIFF_SETGET_FLOAT;
698            case TIFF_SBYTE:
699                return TIFF_SETGET_SINT8;
700            case TIFF_SSHORT:
701                return TIFF_SETGET_SINT16;
702            case TIFF_SLONG:
703                return TIFF_SETGET_SINT32;
704            case TIFF_DOUBLE:
705                return TIFF_SETGET_DOUBLE;
706            case TIFF_IFD:
707            case TIFF_IFD8:
708                return TIFF_SETGET_IFD8;
709            case TIFF_LONG8:
710                return TIFF_SETGET_UINT64;
711            case TIFF_SLONG8:
712                return TIFF_SETGET_SINT64;
713            default:
714                return TIFF_SETGET_UNDEFINED;
715        }
716    }
717
718    else if (count >= 1 && passcount == 0) {
719        switch (type)
720        {
721            case TIFF_BYTE:
722            case TIFF_UNDEFINED:
723                return TIFF_SETGET_C0_UINT8;
724            case TIFF_ASCII:
725                return TIFF_SETGET_C0_ASCII;
726            case TIFF_SHORT:
727                return TIFF_SETGET_C0_UINT16;
728            case TIFF_LONG:
729                return TIFF_SETGET_C0_UINT32;
730            case TIFF_RATIONAL:
731            case TIFF_SRATIONAL:
732            case TIFF_FLOAT:
733                return TIFF_SETGET_C0_FLOAT;
734            case TIFF_SBYTE:
735                return TIFF_SETGET_C0_SINT8;
736            case TIFF_SSHORT:
737                return TIFF_SETGET_C0_SINT16;
738            case TIFF_SLONG:
739                return TIFF_SETGET_C0_SINT32;
740            case TIFF_DOUBLE:
741                return TIFF_SETGET_C0_DOUBLE;
742            case TIFF_IFD:
743            case TIFF_IFD8:
744                return TIFF_SETGET_C0_IFD8;
745            case TIFF_LONG8:
746                return TIFF_SETGET_C0_UINT64;
747            case TIFF_SLONG8:
748                return TIFF_SETGET_C0_SINT64;
749            default:
750                return TIFF_SETGET_UNDEFINED;
751        }
752    }
753
754    else if (count == TIFF_VARIABLE && passcount == 1) {
755        switch (type)
756        {
757            case TIFF_BYTE:
758            case TIFF_UNDEFINED:
759                return TIFF_SETGET_C16_UINT8;
760            case TIFF_ASCII:
761                return TIFF_SETGET_C16_ASCII;
762            case TIFF_SHORT:
763                return TIFF_SETGET_C16_UINT16;
764            case TIFF_LONG:
765                return TIFF_SETGET_C16_UINT32;
766            case TIFF_RATIONAL:
767            case TIFF_SRATIONAL:
768            case TIFF_FLOAT:
769                return TIFF_SETGET_C16_FLOAT;
770            case TIFF_SBYTE:
771                return TIFF_SETGET_C16_SINT8;
772            case TIFF_SSHORT:
773                return TIFF_SETGET_C16_SINT16;
774            case TIFF_SLONG:
775                return TIFF_SETGET_C16_SINT32;
776            case TIFF_DOUBLE:
777                return TIFF_SETGET_C16_DOUBLE;
778            case TIFF_IFD:
779            case TIFF_IFD8:
780                return TIFF_SETGET_C16_IFD8;
781            case TIFF_LONG8:
782                return TIFF_SETGET_C16_UINT64;
783            case TIFF_SLONG8:
784                return TIFF_SETGET_C16_SINT64;
785            default:
786                return TIFF_SETGET_UNDEFINED;
787        }
788    }
789
790    else if (count == TIFF_VARIABLE2 && passcount == 1) {
791        switch (type)
792        {
793            case TIFF_BYTE:
794            case TIFF_UNDEFINED:
795                return TIFF_SETGET_C32_UINT8;
796            case TIFF_ASCII:
797                return TIFF_SETGET_C32_ASCII;
798            case TIFF_SHORT:
799                return TIFF_SETGET_C32_UINT16;
800            case TIFF_LONG:
801                return TIFF_SETGET_C32_UINT32;
802            case TIFF_RATIONAL:
803            case TIFF_SRATIONAL:
804            case TIFF_FLOAT:
805                return TIFF_SETGET_C32_FLOAT;
806            case TIFF_SBYTE:
807                return TIFF_SETGET_C32_SINT8;
808            case TIFF_SSHORT:
809                return TIFF_SETGET_C32_SINT16;
810            case TIFF_SLONG:
811                return TIFF_SETGET_C32_SINT32;
812            case TIFF_DOUBLE:
813                return TIFF_SETGET_C32_DOUBLE;
814            case TIFF_IFD:
815            case TIFF_IFD8:
816                return TIFF_SETGET_C32_IFD8;
817            case TIFF_LONG8:
818                return TIFF_SETGET_C32_UINT64;
819            case TIFF_SLONG8:
820                return TIFF_SETGET_C32_SINT64;
821            default:
822                return TIFF_SETGET_UNDEFINED;
823        }
824    }
825
826    return TIFF_SETGET_UNDEFINED;
827}
828
829int
830TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], uint32 n)
831{
832    static const char module[] = "TIFFMergeFieldInfo";
833    static const char reason[] = "for fields array";
834    TIFFField *tp;
835    size_t nfields;
836    uint32 i;
837
838    if (tif->tif_nfieldscompat > 0) {
839        tif->tif_fieldscompat = (TIFFFieldArray *)
840            _TIFFCheckRealloc(tif, tif->tif_fieldscompat,
841                      tif->tif_nfieldscompat + 1,
842                      sizeof(TIFFFieldArray), reason);
843    } else {
844        tif->tif_fieldscompat = (TIFFFieldArray *)
845            _TIFFCheckMalloc(tif, 1, sizeof(TIFFFieldArray),
846                     reason);
847    }
848    if (!tif->tif_fieldscompat) {
849        TIFFErrorExt(tif->tif_clientdata, module,
850                 "Failed to allocate fields array");
851        return -1;
852    }
853    nfields = tif->tif_nfieldscompat++;
854
855    tif->tif_fieldscompat[nfields].type = tfiatOther;
856    tif->tif_fieldscompat[nfields].allocated_size = n;
857    tif->tif_fieldscompat[nfields].count = n;
858    tif->tif_fieldscompat[nfields].fields =
859        (TIFFField *)_TIFFCheckMalloc(tif, n, sizeof(TIFFField),
860                          reason);
861    if (!tif->tif_fieldscompat[nfields].fields) {
862        TIFFErrorExt(tif->tif_clientdata, module,
863                 "Failed to allocate fields array");
864        return -1;
865    }
866
867    tp = tif->tif_fieldscompat[nfields].fields;
868    for (i = 0; i < n; i++) {
869        tp->field_tag = info[i].field_tag;
870        tp->field_readcount = info[i].field_readcount;
871        tp->field_writecount = info[i].field_writecount;
872        tp->field_type = info[i].field_type;
873        tp->reserved = 0;
874        tp->set_field_type =
875             _TIFFSetGetType(info[i].field_type,
876                info[i].field_readcount,
877                info[i].field_passcount);
878        tp->get_field_type =
879             _TIFFSetGetType(info[i].field_type,
880                info[i].field_readcount,
881                info[i].field_passcount);
882        tp->field_bit = info[i].field_bit;
883        tp->field_oktochange = info[i].field_oktochange;
884        tp->field_passcount = info[i].field_passcount;
885        tp->field_name = info[i].field_name;
886        tp->field_subfields = NULL;
887        tp++;
888    }
889
890    if (!_TIFFMergeFields(tif, tif->tif_fieldscompat[nfields].fields, n)) {
891        TIFFErrorExt(tif->tif_clientdata, module,
892                 "Setting up field info failed");
893        return -1;
894    }
895
896    return 0;
897}
898
899/* vim: set ts=8 sts=8 sw=8 noet: */
900
901/*
902 * Local Variables:
903 * mode: c
904 * c-basic-offset: 8
905 * fill-column: 78
906 * End:
907 */
908