1/* $Id: tif_dirinfo.c,v 1.121 2014-05-07 01:58:46 bfriesen 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 TIFF_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_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED,	FIELD_CUSTOM, 0,	0,	"CFARepeatPatternDim", NULL },
132	{ TIFFTAG_CFAPATTERN,	4, 4,	TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0,	0,	"CFAPattern" , NULL},
133	{ TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL },
134	/* end Pixar tags */
135	{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_LONG, 0, TIFF_SETGET_C32_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
136	{ TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Photoshop", NULL },
137	{ TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "EXIFIFDOffset", &exifFieldArray },
138	{ TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ICC Profile", NULL },
139	{ TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "GPSIFDOffset", NULL },
140	{ TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvParams", NULL },
141	{ TIFFTAG_FAXSUBADDRESS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxSubAddress", NULL },
142	{ TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvTime", NULL },
143	{ TIFFTAG_FAXDCS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxDcs", NULL },
144	{ TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "StoNits", NULL },
145	{ TIFFTAG_INTEROPERABILITYIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InteroperabilityIFDOffset", NULL },
146	/* begin DNG tags */
147	{ TIFFTAG_DNGVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGVersion", NULL },
148	{ TIFFTAG_DNGBACKWARDVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGBackwardVersion", NULL },
149	{ TIFFTAG_UNIQUECAMERAMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "UniqueCameraModel", NULL },
150	{ TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LocalizedCameraModel", NULL },
151	{ TIFFTAG_CFAPLANECOLOR, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CFAPlaneColor", NULL },
152	{ TIFFTAG_CFALAYOUT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CFALayout", NULL },
153	{ TIFFTAG_LINEARIZATIONTABLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "LinearizationTable", NULL },
154	{ TIFFTAG_BLACKLEVELREPEATDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BlackLevelRepeatDim", NULL },
155	{ TIFFTAG_BLACKLEVEL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevel", NULL },
156	{ TIFFTAG_BLACKLEVELDELTAH, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaH", NULL },
157	{ TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaV", NULL },
158	{ TIFFTAG_WHITELEVEL, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "WhiteLevel", NULL },
159	{ TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultScale", NULL },
160	{ TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BestQualityScale", NULL },
161	{ TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropOrigin", NULL },
162	{ TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropSize", NULL },
163	{ TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix1", NULL },
164	{ TIFFTAG_COLORMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix2", NULL },
165	{ TIFFTAG_CAMERACALIBRATION1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration1", NULL },
166	{ TIFFTAG_CAMERACALIBRATION2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration2", NULL },
167	{ TIFFTAG_REDUCTIONMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix1", NULL },
168	{ TIFFTAG_REDUCTIONMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix2", NULL },
169	{ TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AnalogBalance", NULL },
170	{ TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotNeutral", NULL },
171	{ TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AsShotWhiteXY", NULL },
172	{ TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineExposure", NULL },
173	{ TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineNoise", NULL },
174	{ TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineSharpness", NULL },
175	{ TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BayerGreenSplit", NULL },
176	{ TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LinearResponseLimit", NULL },
177	{ TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraSerialNumber", NULL },
178	{ TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LensInfo", NULL },
179	{ TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ChromaBlurRadius", NULL },
180	{ TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AntiAliasStrength", NULL },
181	{ TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ShadowScale", NULL },
182	{ TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "DNGPrivateData", NULL },
183	{ TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "MakerNoteSafety", NULL },
184	{ TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant1", NULL },
185	{ TIFFTAG_CALIBRATIONILLUMINANT2, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant2", NULL },
186	{ TIFFTAG_RAWDATAUNIQUEID, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "RawDataUniqueID", NULL },
187	{ TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileName", NULL },
188	{ TIFFTAG_ORIGINALRAWFILEDATA, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "OriginalRawFileData", NULL },
189	{ TIFFTAG_ACTIVEAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ActiveArea", NULL },
190	{ TIFFTAG_MASKEDAREAS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "MaskedAreas", NULL },
191	{ TIFFTAG_ASSHOTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotICCProfile", NULL },
192	{ TIFFTAG_ASSHOTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotPreProfileMatrix", NULL },
193	{ TIFFTAG_CURRENTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentICCProfile", NULL },
194	{ TIFFTAG_CURRENTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentPreProfileMatrix", NULL },
195	{ TIFFTAG_PERSAMPLE, 0, 0, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "PerSample", NULL},
196	/* end DNG tags */
197	/* begin TIFF/FX tags */
198        { TIFFTAG_INDEXED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "Indexed", NULL },
199        { TIFFTAG_GLOBALPARAMETERSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "GlobalParametersIFD", NULL },
200        { TIFFTAG_PROFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ProfileType", NULL },
201        { TIFFTAG_FAXPROFILE, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "FaxProfile", NULL },
202        { TIFFTAG_CODINGMETHODS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CodingMethods", NULL },
203        { TIFFTAG_VERSIONYEAR, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "VersionYear", NULL },
204        { TIFFTAG_MODENUMBER, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ModeNumber", NULL },
205        { TIFFTAG_DECODE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Decode", NULL },
206        { TIFFTAG_IMAGEBASECOLOR, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ImageBaseColor", NULL },
207        { TIFFTAG_T82OPTIONS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "T82Options", NULL },
208        { TIFFTAG_STRIPROWCOUNTS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "StripRowCounts", NULL },
209        { TIFFTAG_IMAGELAYER, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ImageLayer", NULL },
210	/* end TIFF/FX tags */
211	/* begin pseudo tags */
212};
213
214static TIFFField
215exifFields[] = {
216	{ EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL },
217	{ EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL },
218	{ EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureProgram", NULL },
219	{ EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpectralSensitivity", NULL },
220	{ EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ISOSpeedRatings", NULL },
221	{ EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OptoelectricConversionFactor", NULL },
222	{ EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExifVersion", NULL },
223	{ EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeOriginal", NULL },
224	{ EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeDigitized", NULL },
225	{ EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ComponentsConfiguration", NULL },
226	{ EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL },
227	{ EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL },
228	{ EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL },
229	{ EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL },
230	{ EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL },
231	{ EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL },
232	{ EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL },
233	{ EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeteringMode", NULL },
234	{ EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LightSource", NULL },
235	{ EXIFTAG_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Flash", NULL },
236	{ EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL },
237	{ EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SubjectArea", NULL },
238	{ EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MakerNote", NULL },
239	{ EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "UserComment", NULL },
240	{ EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTime", NULL },
241	{ EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeOriginal", NULL },
242	{ EXIFTAG_SUBSECTIMEDIGITIZED, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeDigitized", NULL },
243	{ EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashpixVersion", NULL },
244	{ EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorSpace", NULL },
245	{ EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelXDimension", NULL },
246	{ EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelYDimension", NULL },
247	{ EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RelatedSoundFile", NULL },
248	{ EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL },
249	{ EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SpatialFrequencyResponse", NULL },
250	{ EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL },
251	{ EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL },
252	{ EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneResolutionUnit", NULL },
253	{ EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectLocation", NULL },
254	{ EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL },
255	{ EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensingMethod", NULL },
256	{ EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FileSource", NULL },
257	{ EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneType", NULL },
258	{ EXIFTAG_CFAPATTERN, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPattern", NULL },
259	{ EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CustomRendered", NULL },
260	{ EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureMode", NULL },
261	{ EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhiteBalance", NULL },
262	{ EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL },
263	{ EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLengthIn35mmFilm", NULL },
264	{ EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneCaptureType", NULL },
265	{ EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL },
266	{ EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Contrast", NULL },
267	{ EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Saturation", NULL },
268	{ EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Sharpness", NULL },
269	{ EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DeviceSettingDescription", NULL },
270	{ EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistanceRange", NULL },
271	{ EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL }
272};
273
274static TIFFFieldArray
275tiffFieldArray = { tfiatImage, 0, TIFFArrayCount(tiffFields), tiffFields };
276static TIFFFieldArray
277exifFieldArray = { tfiatExif, 0, TIFFArrayCount(exifFields), exifFields };
278
279/*
280 *  We have our own local lfind() equivelent to avoid subtle differences
281 *  in types passed to lfind() on different systems.
282 */
283
284static void *
285td_lfind(const void *key, const void *base, size_t *nmemb, size_t size,
286         int(*compar)(const void *, const void *))
287{
288    char *element, *end;
289
290    end = (char *)base + *nmemb * size;
291    for (element = (char *)base; element < end; element += size)
292        if (!compar(key, element))		/* key found */
293            return element;
294
295    return NULL;
296}
297
298const TIFFFieldArray*
299_TIFFGetFields(void)
300{
301	return(&tiffFieldArray);
302}
303
304const TIFFFieldArray*
305_TIFFGetExifFields(void)
306{
307	return(&exifFieldArray);
308}
309
310void
311_TIFFSetupFields(TIFF* tif, const TIFFFieldArray* fieldarray)
312{
313	if (tif->tif_fields && tif->tif_nfields > 0) {
314		uint32 i;
315
316		for (i = 0; i < tif->tif_nfields; i++) {
317			TIFFField *fld = tif->tif_fields[i];
318			if (fld->field_bit == FIELD_CUSTOM &&
319				strncmp("Tag ", fld->field_name, 4) == 0) {
320					_TIFFfree(fld->field_name);
321					_TIFFfree(fld);
322				}
323		}
324
325		_TIFFfree(tif->tif_fields);
326		tif->tif_fields = NULL;
327		tif->tif_nfields = 0;
328	}
329	if (!_TIFFMergeFields(tif, fieldarray->fields, fieldarray->count)) {
330		TIFFErrorExt(tif->tif_clientdata, "_TIFFSetupFields",
331			     "Setting up field info failed");
332	}
333}
334
335static int
336tagCompare(const void* a, const void* b)
337{
338	const TIFFField* ta = *(const TIFFField**) a;
339	const TIFFField* tb = *(const TIFFField**) b;
340	/* NB: be careful of return values for 16-bit platforms */
341	if (ta->field_tag != tb->field_tag)
342		return (int)ta->field_tag - (int)tb->field_tag;
343	else
344		return (ta->field_type == TIFF_ANY) ?
345			0 : ((int)tb->field_type - (int)ta->field_type);
346}
347
348static int
349tagNameCompare(const void* a, const void* b)
350{
351	const TIFFField* ta = *(const TIFFField**) a;
352	const TIFFField* tb = *(const TIFFField**) b;
353	int ret = strcmp(ta->field_name, tb->field_name);
354
355	if (ret)
356		return ret;
357	else
358		return (ta->field_type == TIFF_ANY) ?
359			0 : ((int)tb->field_type - (int)ta->field_type);
360}
361
362int
363_TIFFMergeFields(TIFF* tif, const TIFFField info[], uint32 n)
364{
365	static const char module[] = "_TIFFMergeFields";
366	static const char reason[] = "for fields array";
367	/* TIFFField** tp; */
368	uint32 i;
369
370        tif->tif_foundfield = NULL;
371
372	if (tif->tif_fields && tif->tif_nfields > 0) {
373		tif->tif_fields = (TIFFField**)
374			_TIFFCheckRealloc(tif, tif->tif_fields,
375					  (tif->tif_nfields + n),
376					  sizeof(TIFFField *), reason);
377	} else {
378		tif->tif_fields = (TIFFField **)
379			_TIFFCheckMalloc(tif, n, sizeof(TIFFField *),
380					 reason);
381	}
382	if (!tif->tif_fields) {
383		TIFFErrorExt(tif->tif_clientdata, module,
384			     "Failed to allocate fields array");
385		return 0;
386	}
387
388	/* tp = tif->tif_fields + tif->tif_nfields; */
389	for (i = 0; i < n; i++) {
390		const TIFFField *fip =
391			TIFFFindField(tif, info[i].field_tag, TIFF_ANY);
392
393                /* only add definitions that aren't already present */
394		if (!fip) {
395                        tif->tif_fields[tif->tif_nfields] = (TIFFField *) (info+i);
396                        tif->tif_nfields++;
397                }
398	}
399
400        /* Sort the field info by tag number */
401	qsort(tif->tif_fields, tif->tif_nfields,
402	      sizeof(TIFFField *), tagCompare);
403
404	return n;
405}
406
407void
408_TIFFPrintFieldInfo(TIFF* tif, FILE* fd)
409{
410	uint32 i;
411
412	fprintf(fd, "%s: \n", tif->tif_name);
413	for (i = 0; i < tif->tif_nfields; i++) {
414		const TIFFField* fip = tif->tif_fields[i];
415		fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n"
416			, (int)i
417			, (unsigned long) fip->field_tag
418			, fip->field_readcount, fip->field_writecount
419			, fip->field_type
420			, fip->field_bit
421			, fip->field_oktochange ? "TRUE" : "FALSE"
422			, fip->field_passcount ? "TRUE" : "FALSE"
423			, fip->field_name
424		);
425	}
426}
427
428/*
429 * Return size of TIFFDataType in bytes
430 */
431int
432TIFFDataWidth(TIFFDataType type)
433{
434	switch(type)
435	{
436		case 0:  /* nothing */
437		case TIFF_BYTE:
438		case TIFF_ASCII:
439		case TIFF_SBYTE:
440		case TIFF_UNDEFINED:
441			return 1;
442		case TIFF_SHORT:
443		case TIFF_SSHORT:
444			return 2;
445		case TIFF_LONG:
446		case TIFF_SLONG:
447		case TIFF_FLOAT:
448		case TIFF_IFD:
449			return 4;
450		case TIFF_RATIONAL:
451		case TIFF_SRATIONAL:
452		case TIFF_DOUBLE:
453		case TIFF_LONG8:
454		case TIFF_SLONG8:
455		case TIFF_IFD8:
456			return 8;
457		default:
458			return 0; /* will return 0 for unknown types */
459	}
460}
461
462/*
463 * Return size of TIFFDataType in bytes.
464 *
465 * XXX: We need a separate function to determine the space needed
466 * to store the value. For TIFF_RATIONAL values TIFFDataWidth() returns 8,
467 * but we use 4-byte float to represent rationals.
468 */
469int
470_TIFFDataSize(TIFFDataType type)
471{
472	switch (type)
473	{
474		case TIFF_BYTE:
475		case TIFF_SBYTE:
476		case TIFF_ASCII:
477		case TIFF_UNDEFINED:
478		    return 1;
479		case TIFF_SHORT:
480		case TIFF_SSHORT:
481		    return 2;
482		case TIFF_LONG:
483		case TIFF_SLONG:
484		case TIFF_FLOAT:
485		case TIFF_IFD:
486		case TIFF_RATIONAL:
487		case TIFF_SRATIONAL:
488		    return 4;
489		case TIFF_DOUBLE:
490		case TIFF_LONG8:
491		case TIFF_SLONG8:
492		case TIFF_IFD8:
493		    return 8;
494		default:
495		    return 0;
496	}
497}
498
499const TIFFField*
500TIFFFindField(TIFF* tif, uint32 tag, TIFFDataType dt)
501{
502	TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
503	TIFFField* pkey = &key;
504	const TIFFField **ret;
505	if (tif->tif_foundfield && tif->tif_foundfield->field_tag == tag &&
506	    (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
507		return tif->tif_foundfield;
508
509	/* If we are invoked with no field information, then just return. */
510	if (!tif->tif_fields)
511		return NULL;
512
513	/* NB: use sorted search (e.g. binary search) */
514
515	key.field_tag = tag;
516	key.field_type = dt;
517
518	ret = (const TIFFField **) bsearch(&pkey, tif->tif_fields,
519					   tif->tif_nfields,
520					   sizeof(TIFFField *), tagCompare);
521	return tif->tif_foundfield = (ret ? *ret : NULL);
522}
523
524const TIFFField*
525_TIFFFindFieldByName(TIFF* tif, const char *field_name, TIFFDataType dt)
526{
527	TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
528	TIFFField* pkey = &key;
529	const TIFFField **ret;
530	if (tif->tif_foundfield
531	    && streq(tif->tif_foundfield->field_name, field_name)
532	    && (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
533		return (tif->tif_foundfield);
534
535	/* If we are invoked with no field information, then just return. */
536	if (!tif->tif_fields)
537		return NULL;
538
539	/* NB: use linear search since list is sorted by key#, not name */
540
541	key.field_name = (char *)field_name;
542	key.field_type = dt;
543
544	ret = (const TIFFField **)
545            td_lfind(&pkey, tif->tif_fields, &tif->tif_nfields,
546                     sizeof(TIFFField *), tagNameCompare);
547
548	return tif->tif_foundfield = (ret ? *ret : NULL);
549}
550
551const TIFFField*
552TIFFFieldWithTag(TIFF* tif, uint32 tag)
553{
554	const TIFFField* fip = TIFFFindField(tif, tag, TIFF_ANY);
555	if (!fip) {
556		TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithTag",
557			     "Internal error, unknown tag 0x%x",
558			     (unsigned int) tag);
559	}
560	return (fip);
561}
562
563const TIFFField*
564TIFFFieldWithName(TIFF* tif, const char *field_name)
565{
566	const TIFFField* fip =
567		_TIFFFindFieldByName(tif, field_name, TIFF_ANY);
568	if (!fip) {
569		TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithName",
570			     "Internal error, unknown tag %s", field_name);
571	}
572	return (fip);
573}
574
575uint32
576TIFFFieldTag(const TIFFField* fip)
577{
578	return fip->field_tag;
579}
580
581const char *
582TIFFFieldName(const TIFFField* fip)
583{
584	return fip->field_name;
585}
586
587TIFFDataType
588TIFFFieldDataType(const TIFFField* fip)
589{
590	return fip->field_type;
591}
592
593int
594TIFFFieldPassCount(const TIFFField* fip)
595{
596	return fip->field_passcount;
597}
598
599int
600TIFFFieldReadCount(const TIFFField* fip)
601{
602	return fip->field_readcount;
603}
604
605int
606TIFFFieldWriteCount(const TIFFField* fip)
607{
608	return fip->field_writecount;
609}
610
611const TIFFField*
612_TIFFFindOrRegisterField(TIFF *tif, uint32 tag, TIFFDataType dt)
613
614{
615	const TIFFField *fld;
616
617	fld = TIFFFindField(tif, tag, dt);
618	if (fld == NULL) {
619		fld = _TIFFCreateAnonField(tif, tag, dt);
620		if (!_TIFFMergeFields(tif, fld, 1))
621			return NULL;
622	}
623
624	return fld;
625}
626
627TIFFField*
628_TIFFCreateAnonField(TIFF *tif, uint32 tag, TIFFDataType field_type)
629{
630	TIFFField *fld;
631	(void) tif;
632
633	fld = (TIFFField *) _TIFFmalloc(sizeof (TIFFField));
634	if (fld == NULL)
635	    return NULL;
636	_TIFFmemset(fld, 0, sizeof(TIFFField));
637
638	fld->field_tag = tag;
639	fld->field_readcount = TIFF_VARIABLE2;
640	fld->field_writecount = TIFF_VARIABLE2;
641	fld->field_type = field_type;
642	fld->reserved = 0;
643	switch (field_type)
644	{
645		case TIFF_BYTE:
646		case TIFF_UNDEFINED:
647			fld->set_field_type = TIFF_SETGET_C32_UINT8;
648			fld->get_field_type = TIFF_SETGET_C32_UINT8;
649			break;
650		case TIFF_ASCII:
651			fld->set_field_type = TIFF_SETGET_C32_ASCII;
652			fld->get_field_type = TIFF_SETGET_C32_ASCII;
653			break;
654		case TIFF_SHORT:
655			fld->set_field_type = TIFF_SETGET_C32_UINT16;
656			fld->get_field_type = TIFF_SETGET_C32_UINT16;
657			break;
658		case TIFF_LONG:
659			fld->set_field_type = TIFF_SETGET_C32_UINT32;
660			fld->get_field_type = TIFF_SETGET_C32_UINT32;
661			break;
662		case TIFF_RATIONAL:
663		case TIFF_SRATIONAL:
664		case TIFF_FLOAT:
665			fld->set_field_type = TIFF_SETGET_C32_FLOAT;
666			fld->get_field_type = TIFF_SETGET_C32_FLOAT;
667			break;
668		case TIFF_SBYTE:
669			fld->set_field_type = TIFF_SETGET_C32_SINT8;
670			fld->get_field_type = TIFF_SETGET_C32_SINT8;
671			break;
672		case TIFF_SSHORT:
673			fld->set_field_type = TIFF_SETGET_C32_SINT16;
674			fld->get_field_type = TIFF_SETGET_C32_SINT16;
675			break;
676		case TIFF_SLONG:
677			fld->set_field_type = TIFF_SETGET_C32_SINT32;
678			fld->get_field_type = TIFF_SETGET_C32_SINT32;
679			break;
680		case TIFF_DOUBLE:
681			fld->set_field_type = TIFF_SETGET_C32_DOUBLE;
682			fld->get_field_type = TIFF_SETGET_C32_DOUBLE;
683			break;
684		case TIFF_IFD:
685		case TIFF_IFD8:
686			fld->set_field_type = TIFF_SETGET_C32_IFD8;
687			fld->get_field_type = TIFF_SETGET_C32_IFD8;
688			break;
689		case TIFF_LONG8:
690			fld->set_field_type = TIFF_SETGET_C32_UINT64;
691			fld->get_field_type = TIFF_SETGET_C32_UINT64;
692			break;
693		case TIFF_SLONG8:
694			fld->set_field_type = TIFF_SETGET_C32_SINT64;
695			fld->get_field_type = TIFF_SETGET_C32_SINT64;
696			break;
697		default:
698			fld->set_field_type = TIFF_SETGET_UNDEFINED;
699			fld->get_field_type = TIFF_SETGET_UNDEFINED;
700			break;
701	}
702	fld->field_bit = FIELD_CUSTOM;
703	fld->field_oktochange = TRUE;
704	fld->field_passcount = TRUE;
705	fld->field_name = (char *) _TIFFmalloc(32);
706	if (fld->field_name == NULL) {
707	    _TIFFfree(fld);
708	    return NULL;
709	}
710	fld->field_subfields = NULL;
711
712	/*
713	 * note that this name is a special sign to TIFFClose() and
714	 * _TIFFSetupFields() to free the field
715	 */
716	snprintf(fld->field_name, 32, "Tag %d", (int) tag);
717
718	return fld;
719}
720
721/****************************************************************************
722 *               O B S O L E T E D    I N T E R F A C E S
723 *
724 * Don't use this stuff in your applications, it may be removed in the future
725 * libtiff versions.
726 ****************************************************************************/
727
728static TIFFSetGetFieldType
729_TIFFSetGetType(TIFFDataType type, short count, unsigned char passcount)
730{
731	if (type == TIFF_ASCII && count == TIFF_VARIABLE && passcount == 0)
732		return TIFF_SETGET_ASCII;
733
734	else if (count == 1 && passcount == 0) {
735		switch (type)
736		{
737			case TIFF_BYTE:
738			case TIFF_UNDEFINED:
739				return TIFF_SETGET_UINT8;
740			case TIFF_ASCII:
741				return TIFF_SETGET_ASCII;
742			case TIFF_SHORT:
743				return TIFF_SETGET_UINT16;
744			case TIFF_LONG:
745				return TIFF_SETGET_UINT32;
746			case TIFF_RATIONAL:
747			case TIFF_SRATIONAL:
748			case TIFF_FLOAT:
749				return TIFF_SETGET_FLOAT;
750			case TIFF_SBYTE:
751				return TIFF_SETGET_SINT8;
752			case TIFF_SSHORT:
753				return TIFF_SETGET_SINT16;
754			case TIFF_SLONG:
755				return TIFF_SETGET_SINT32;
756			case TIFF_DOUBLE:
757				return TIFF_SETGET_DOUBLE;
758			case TIFF_IFD:
759			case TIFF_IFD8:
760				return TIFF_SETGET_IFD8;
761			case TIFF_LONG8:
762				return TIFF_SETGET_UINT64;
763			case TIFF_SLONG8:
764				return TIFF_SETGET_SINT64;
765			default:
766				return TIFF_SETGET_UNDEFINED;
767		}
768	}
769
770	else if (count >= 1 && passcount == 0) {
771		switch (type)
772		{
773			case TIFF_BYTE:
774			case TIFF_UNDEFINED:
775				return TIFF_SETGET_C0_UINT8;
776			case TIFF_ASCII:
777				return TIFF_SETGET_C0_ASCII;
778			case TIFF_SHORT:
779				return TIFF_SETGET_C0_UINT16;
780			case TIFF_LONG:
781				return TIFF_SETGET_C0_UINT32;
782			case TIFF_RATIONAL:
783			case TIFF_SRATIONAL:
784			case TIFF_FLOAT:
785				return TIFF_SETGET_C0_FLOAT;
786			case TIFF_SBYTE:
787				return TIFF_SETGET_C0_SINT8;
788			case TIFF_SSHORT:
789				return TIFF_SETGET_C0_SINT16;
790			case TIFF_SLONG:
791				return TIFF_SETGET_C0_SINT32;
792			case TIFF_DOUBLE:
793				return TIFF_SETGET_C0_DOUBLE;
794			case TIFF_IFD:
795			case TIFF_IFD8:
796				return TIFF_SETGET_C0_IFD8;
797			case TIFF_LONG8:
798				return TIFF_SETGET_C0_UINT64;
799			case TIFF_SLONG8:
800				return TIFF_SETGET_C0_SINT64;
801			default:
802				return TIFF_SETGET_UNDEFINED;
803		}
804	}
805
806	else if (count == TIFF_VARIABLE && passcount == 1) {
807		switch (type)
808		{
809			case TIFF_BYTE:
810			case TIFF_UNDEFINED:
811				return TIFF_SETGET_C16_UINT8;
812			case TIFF_ASCII:
813				return TIFF_SETGET_C16_ASCII;
814			case TIFF_SHORT:
815				return TIFF_SETGET_C16_UINT16;
816			case TIFF_LONG:
817				return TIFF_SETGET_C16_UINT32;
818			case TIFF_RATIONAL:
819			case TIFF_SRATIONAL:
820			case TIFF_FLOAT:
821				return TIFF_SETGET_C16_FLOAT;
822			case TIFF_SBYTE:
823				return TIFF_SETGET_C16_SINT8;
824			case TIFF_SSHORT:
825				return TIFF_SETGET_C16_SINT16;
826			case TIFF_SLONG:
827				return TIFF_SETGET_C16_SINT32;
828			case TIFF_DOUBLE:
829				return TIFF_SETGET_C16_DOUBLE;
830			case TIFF_IFD:
831			case TIFF_IFD8:
832				return TIFF_SETGET_C16_IFD8;
833			case TIFF_LONG8:
834				return TIFF_SETGET_C16_UINT64;
835			case TIFF_SLONG8:
836				return TIFF_SETGET_C16_SINT64;
837			default:
838				return TIFF_SETGET_UNDEFINED;
839		}
840	}
841
842	else if (count == TIFF_VARIABLE2 && passcount == 1) {
843		switch (type)
844		{
845			case TIFF_BYTE:
846			case TIFF_UNDEFINED:
847				return TIFF_SETGET_C32_UINT8;
848			case TIFF_ASCII:
849				return TIFF_SETGET_C32_ASCII;
850			case TIFF_SHORT:
851				return TIFF_SETGET_C32_UINT16;
852			case TIFF_LONG:
853				return TIFF_SETGET_C32_UINT32;
854			case TIFF_RATIONAL:
855			case TIFF_SRATIONAL:
856			case TIFF_FLOAT:
857				return TIFF_SETGET_C32_FLOAT;
858			case TIFF_SBYTE:
859				return TIFF_SETGET_C32_SINT8;
860			case TIFF_SSHORT:
861				return TIFF_SETGET_C32_SINT16;
862			case TIFF_SLONG:
863				return TIFF_SETGET_C32_SINT32;
864			case TIFF_DOUBLE:
865				return TIFF_SETGET_C32_DOUBLE;
866			case TIFF_IFD:
867			case TIFF_IFD8:
868				return TIFF_SETGET_C32_IFD8;
869			case TIFF_LONG8:
870				return TIFF_SETGET_C32_UINT64;
871			case TIFF_SLONG8:
872				return TIFF_SETGET_C32_SINT64;
873			default:
874				return TIFF_SETGET_UNDEFINED;
875		}
876	}
877
878	return TIFF_SETGET_UNDEFINED;
879}
880
881int
882TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], uint32 n)
883{
884	static const char module[] = "TIFFMergeFieldInfo";
885	static const char reason[] = "for fields array";
886	TIFFField *tp;
887	size_t nfields;
888	uint32 i;
889
890	if (tif->tif_nfieldscompat > 0) {
891		tif->tif_fieldscompat = (TIFFFieldArray *)
892			_TIFFCheckRealloc(tif, tif->tif_fieldscompat,
893					  tif->tif_nfieldscompat + 1,
894					  sizeof(TIFFFieldArray), reason);
895	} else {
896		tif->tif_fieldscompat = (TIFFFieldArray *)
897			_TIFFCheckMalloc(tif, 1, sizeof(TIFFFieldArray),
898					 reason);
899	}
900	if (!tif->tif_fieldscompat) {
901		TIFFErrorExt(tif->tif_clientdata, module,
902			     "Failed to allocate fields array");
903		return -1;
904	}
905	nfields = tif->tif_nfieldscompat++;
906
907	tif->tif_fieldscompat[nfields].type = tfiatOther;
908	tif->tif_fieldscompat[nfields].allocated_size = n;
909	tif->tif_fieldscompat[nfields].count = n;
910	tif->tif_fieldscompat[nfields].fields =
911		(TIFFField *)_TIFFCheckMalloc(tif, n, sizeof(TIFFField),
912					      reason);
913	if (!tif->tif_fieldscompat[nfields].fields) {
914		TIFFErrorExt(tif->tif_clientdata, module,
915			     "Failed to allocate fields array");
916		return -1;
917	}
918
919	tp = tif->tif_fieldscompat[nfields].fields;
920	for (i = 0; i < n; i++) {
921		tp->field_tag = info[i].field_tag;
922		tp->field_readcount = info[i].field_readcount;
923		tp->field_writecount = info[i].field_writecount;
924		tp->field_type = info[i].field_type;
925		tp->reserved = 0;
926		tp->set_field_type =
927		     _TIFFSetGetType(info[i].field_type,
928				info[i].field_readcount,
929				info[i].field_passcount);
930		tp->get_field_type =
931		     _TIFFSetGetType(info[i].field_type,
932				info[i].field_readcount,
933				info[i].field_passcount);
934		tp->field_bit = info[i].field_bit;
935		tp->field_oktochange = info[i].field_oktochange;
936		tp->field_passcount = info[i].field_passcount;
937		tp->field_name = info[i].field_name;
938		tp->field_subfields = NULL;
939		tp++;
940	}
941
942	if (!_TIFFMergeFields(tif, tif->tif_fieldscompat[nfields].fields, n)) {
943		TIFFErrorExt(tif->tif_clientdata, module,
944			     "Setting up field info failed");
945		return -1;
946	}
947
948	return 0;
949}
950
951/* vim: set ts=8 sts=8 sw=8 noet: */
952
953/*
954 * Local Variables:
955 * mode: c
956 * c-basic-offset: 8
957 * fill-column: 78
958 * End:
959 */
960