CoCalc -- tif_dirinfo.c

GitHub Repository: wine-mirror/wine
Path: blob/master/libs/tiff/libtiff/tif_dirinfo.c
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/*
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 * Copyright (c) 1988-1997 Sam Leffler
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 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and
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 * its documentation for any purpose is hereby granted without fee, provided
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 * that (i) the above copyright notices and this permission notice appear in
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 * all copies of the software and related documentation, and (ii) the names of
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 * Sam Leffler and Silicon Graphics may not be used in any advertising or
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 * publicity relating to the software without the specific, prior written
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 * permission of Sam Leffler and Silicon Graphics.
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 *
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 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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 *
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 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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 * OF THIS SOFTWARE.
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 */
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/*
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 * TIFF Library.
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 *
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 * Core Directory Tag Support.
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 */
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#include "tiffiop.h"
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#include <stdlib.h>
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/*
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 * NOTE: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG.
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 *
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 * NOTE: The second field (field_readcount) and third field (field_writecount)
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 *       sometimes use the values TIFF_VARIABLE (-1), TIFF_VARIABLE2 (-3)
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 *       and TIFF_SPP (-2). The macros should be used but would throw off
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 *       the formatting of the code, so please interpret the -1, -2 and -3
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 *       values accordingly.
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 */
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/* const object should be initialized */
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4132)
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#endif
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static const TIFFFieldArray tiffFieldArray;
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static const TIFFFieldArray exifFieldArray;
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static const TIFFFieldArray gpsFieldArray;
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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/*--: Rational2Double: --
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 * The Rational2Double upgraded libtiff functionality allows the definition and
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 * achievement of true double-precision accuracy for TIFF tags of RATIONAL type
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 * and field_bit=FIELD_CUSTOM using the set_field_type = TIFF_SETGET_DOUBLE.
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 * Unfortunately, that changes the old implemented interface for TIFFGetField().
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 * In order to keep the old TIFFGetField() interface behavior those tags have to
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 * be redefined with set_field_type = TIFF_SETGET_FLOAT!
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 *
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 *  Rational custom arrays are already defined as _Cxx_FLOAT, thus can stay.
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 *
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 */
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/* clang-format off */ /* for better readability of tag comments */
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static const TIFFField tiffFields[] = {
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    {TIFFTAG_SUBFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "SubfileType", NULL},
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    {TIFFTAG_OSUBFILETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "OldSubfileType", NULL},
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    {TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 0, 0, "ImageWidth", NULL},
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    {TIFFTAG_IMAGELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 1, 0, "ImageLength", NULL},
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    {TIFFTAG_BITSPERSAMPLE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_BITSPERSAMPLE, 0, 0, "BitsPerSample", NULL},
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    {TIFFTAG_COMPRESSION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_COMPRESSION, 0, 0, "Compression", NULL},
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    {TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PHOTOMETRIC, 0, 0, "PhotometricInterpretation", NULL},
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    {TIFFTAG_THRESHHOLDING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_THRESHHOLDING, 1, 0, "Threshholding", NULL},
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    {TIFFTAG_CELLWIDTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CellWidth", NULL},
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    {TIFFTAG_CELLLENGTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CellLength", NULL},
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    {TIFFTAG_FILLORDER, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_FILLORDER, 0, 0, "FillOrder", NULL},
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    {TIFFTAG_DOCUMENTNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DocumentName", NULL},
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    {TIFFTAG_IMAGEDESCRIPTION, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageDescription", NULL},
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    {TIFFTAG_MAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Make", NULL},
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    {TIFFTAG_MODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Model", NULL},
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    {TIFFTAG_STRIPOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "StripOffsets", NULL},
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    {TIFFTAG_ORIENTATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_ORIENTATION, 0, 0, "Orientation", NULL},
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    {TIFFTAG_SAMPLESPERPIXEL, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLESPERPIXEL, 0, 0, "SamplesPerPixel", NULL},
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    {TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_ROWSPERSTRIP, 0, 0, "RowsPerStrip", NULL},
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    {TIFFTAG_STRIPBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "StripByteCounts", NULL},
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    {TIFFTAG_MINSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MINSAMPLEVALUE, 1, 0, "MinSampleValue", NULL},
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    {TIFFTAG_MAXSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MAXSAMPLEVALUE, 1, 0, "MaxSampleValue", NULL},
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    {TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "XResolution", NULL},
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    {TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "YResolution", NULL},
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    {TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PLANARCONFIG, 0, 0, "PlanarConfiguration", NULL},
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    {TIFFTAG_PAGENAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PageName", NULL},
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    {TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "XPosition", NULL},
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    {TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "YPosition", NULL},
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    {TIFFTAG_FREEOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeOffsets", NULL},
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    {TIFFTAG_FREEBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeByteCounts", NULL},
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    {TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseUnit", NULL},
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    {TIFFTAG_GRAYRESPONSECURVE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseCurve", NULL},
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    {TIFFTAG_RESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTIONUNIT, 1, 0, "ResolutionUnit", NULL},
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    {TIFFTAG_PAGENUMBER, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_PAGENUMBER, 1, 0, "PageNumber", NULL},
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    {TIFFTAG_COLORRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "ColorResponseUnit", NULL},
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    {TIFFTAG_TRANSFERFUNCTION, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_TRANSFERFUNCTION, 1, 0, "TransferFunction", NULL},
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    {TIFFTAG_SOFTWARE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Software", NULL},
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    {TIFFTAG_DATETIME, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTime", NULL},
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    {TIFFTAG_ARTIST, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Artist", NULL},
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    {TIFFTAG_HOSTCOMPUTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "HostComputer", NULL},
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    {TIFFTAG_WHITEPOINT, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhitePoint", NULL},
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    {TIFFTAG_PRIMARYCHROMATICITIES, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PrimaryChromaticities", NULL},
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    {TIFFTAG_COLORMAP, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_COLORMAP, 1, 0, "ColorMap", NULL},
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    {TIFFTAG_HALFTONEHINTS, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_HALFTONEHINTS, 1, 0, "HalftoneHints", NULL},
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    {TIFFTAG_TILEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileWidth", NULL},
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    {TIFFTAG_TILELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileLength", NULL},
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    {TIFFTAG_TILEOFFSETS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "TileOffsets", NULL},
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    {TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "TileByteCounts", NULL},
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    {TIFFTAG_SUBIFD, -1, -1, TIFF_IFD8, 0, TIFF_SETGET_C16_IFD8, TIFF_SETGET_UNDEFINED, FIELD_SUBIFD, 1, 1, "SubIFD", (TIFFFieldArray *)&tiffFieldArray},
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    {TIFFTAG_INKSET, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InkSet", NULL},
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    {TIFFTAG_INKNAMES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_C16_ASCII, TIFF_SETGET_UNDEFINED, FIELD_INKNAMES, 1, 1, "InkNames", NULL},
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    {TIFFTAG_NUMBEROFINKS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_NUMBEROFINKS, 1, 0, "NumberOfInks", NULL},
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    {TIFFTAG_DOTRANGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DotRange", NULL},
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    {TIFFTAG_TARGETPRINTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TargetPrinter", NULL},
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    {TIFFTAG_EXTRASAMPLES, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 1, "ExtraSamples", NULL},
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    {TIFFTAG_SAMPLEFORMAT, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "SampleFormat", NULL},
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    {TIFFTAG_SMINSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMINSAMPLEVALUE, 1, 0, "SMinSampleValue", NULL},
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    {TIFFTAG_SMAXSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMAXSAMPLEVALUE, 1, 0, "SMaxSampleValue", NULL},
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    {TIFFTAG_CLIPPATH, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ClipPath", NULL},
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    {TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL},
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    {TIFFTAG_YCLIPPATHUNITS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YClipPathUnits", NULL},
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    {TIFFTAG_YCBCRCOEFFICIENTS, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YCbCrCoefficients", NULL},
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    {TIFFTAG_YCBCRSUBSAMPLING, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_YCBCRSUBSAMPLING, 0, 0, "YCbCrSubsampling", NULL},
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    {TIFFTAG_YCBCRPOSITIONING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_YCBCRPOSITIONING, 0, 0, "YCbCrPositioning", NULL},
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    {TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_REFBLACKWHITE, 1, 0, "ReferenceBlackWhite", NULL},
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    {TIFFTAG_XMLPACKET, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "XMLPacket", NULL},
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    /* begin SGI tags */
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    {TIFFTAG_MATTEING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 0, "Matteing", NULL},
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    {TIFFTAG_DATATYPE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "DataType", NULL},
137
    {TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDEPTH, 0, 0, "ImageDepth", NULL},
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    {TIFFTAG_TILEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDEPTH, 0, 0, "TileDepth", NULL},
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    /* end SGI tags */
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    /* begin Pixar tags */
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    {TIFFTAG_PIXAR_IMAGEFULLWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullWidth", NULL},
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    {TIFFTAG_PIXAR_IMAGEFULLLENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullLength", NULL},
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    {TIFFTAG_PIXAR_TEXTUREFORMAT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureFormat", NULL},
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    {TIFFTAG_PIXAR_WRAPMODES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureWrapModes", NULL},
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    {TIFFTAG_PIXAR_FOVCOT, 1, 1, TIFF_FLOAT, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FieldOfViewCotangent", NULL},
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    {TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToScreen", NULL},
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    {TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToCamera", NULL},
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    {TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL},
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    /* end Pixar tags */
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    {TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "RichTIFFIPTC", NULL},
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    {TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "Photoshop", NULL},
152
    /*--: EXIFIFD and GPSIFD specified as TIFF_LONG by Aware-Systems and not TIFF_IFD8 as in original LibTiff. However, for IFD-like tags,
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     * libtiff uses the data type TIFF_IFD8 in tiffFields[]-tag definition combined with a special handling procedure in order to write either
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     * a 32-bit value and the TIFF_IFD type-id into ClassicTIFF files or a 64-bit value and the TIFF_IFD8 type-id into BigTIFF files. */
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    {TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EXIFIFDOffset", (TIFFFieldArray *)&exifFieldArray},
156
    {TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ICC Profile", NULL},
157
    {TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GPSIFDOffset", (TIFFFieldArray *)&gpsFieldArray},
158
    {TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvParams", NULL},
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    {TIFFTAG_FAXSUBADDRESS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxSubAddress", NULL},
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    {TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvTime", NULL},
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    {TIFFTAG_FAXDCS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxDcs", NULL},
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    {TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "StoNits", NULL},
163
    {TIFFTAG_IMAGESOURCEDATA, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "Adobe Photoshop Document Data Block", NULL},
164
    {TIFFTAG_INTEROPERABILITYIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InteroperabilityIFDOffset", NULL},
165
    /* begin DNG tags */
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    {TIFFTAG_DNGVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DNGVersion", NULL},
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    {TIFFTAG_DNGBACKWARDVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DNGBackwardVersion", NULL},
168
    {TIFFTAG_UNIQUECAMERAMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "UniqueCameraModel", NULL},
169
    {TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LocalizedCameraModel", NULL},
170
    {TIFFTAG_CFAPLANECOLOR, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPlaneColor", NULL},
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    {TIFFTAG_CFALAYOUT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CFALayout", NULL},
172
    {TIFFTAG_LINEARIZATIONTABLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LinearizationTable", NULL},
173
    {TIFFTAG_BLACKLEVELREPEATDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BlackLevelRepeatDim", NULL},
174
    {TIFFTAG_BLACKLEVEL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "BlackLevel", NULL},
175
    {TIFFTAG_BLACKLEVELDELTAH, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "BlackLevelDeltaH", NULL},
176
    {TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "BlackLevelDeltaV", NULL},
177
    {TIFFTAG_WHITELEVEL, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "WhiteLevel", NULL},
178
    {TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultScale", NULL},
179
    {TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BestQualityScale", NULL},
180
    {TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultCropOrigin", NULL},
181
    {TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultCropSize", NULL},
182
    {TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ColorMatrix1", NULL},
183
    {TIFFTAG_COLORMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ColorMatrix2", NULL},
184
    {TIFFTAG_CAMERACALIBRATION1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibration1", NULL},
185
    {TIFFTAG_CAMERACALIBRATION2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibration2", NULL},
186
    {TIFFTAG_REDUCTIONMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ReductionMatrix1", NULL},
187
    {TIFFTAG_REDUCTIONMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ReductionMatrix2", NULL},
188
    {TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AnalogBalance", NULL},
189
    {TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotNeutral", NULL},
190
    {TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "AsShotWhiteXY", NULL},
191
    {TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineExposure", NULL},
192
    {TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineNoise", NULL},
193
    {TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineSharpness", NULL},
194
    {TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BayerGreenSplit", NULL},
195
    {TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LinearResponseLimit", NULL},
196
    {TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraSerialNumber", NULL},
197
    {TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensInfo", NULL},
198
    {TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ChromaBlurRadius", NULL},
199
    {TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "AntiAliasStrength", NULL},
200
    {TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShadowScale", NULL},
201
    {TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DNGPrivateData", NULL},
202
    {TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MakerNoteSafety", NULL},
203
    {TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CalibrationIlluminant1", NULL},
204
    {TIFFTAG_CALIBRATIONILLUMINANT2, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CalibrationIlluminant2", NULL},
205
    {TIFFTAG_RAWDATAUNIQUEID, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RawDataUniqueID", NULL},
206
    {TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileName", NULL},
207
    {TIFFTAG_ORIGINALRAWFILEDATA, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileData", NULL},
208
    {TIFFTAG_ACTIVEAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ActiveArea", NULL},
209
    {TIFFTAG_MASKEDAREAS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MaskedAreas", NULL},
210
    {TIFFTAG_ASSHOTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotICCProfile", NULL},
211
    {TIFFTAG_ASSHOTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotPreProfileMatrix", NULL},
212
    {TIFFTAG_CURRENTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CurrentICCProfile", NULL},
213
    {TIFFTAG_CURRENTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CurrentPreProfileMatrix", NULL},
214
    {TIFFTAG_PERSAMPLE, 0, 0, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "PerSample", NULL},
215
#if 0
216
    /* begin DNG 1.2.0.0 tags */
217
    {TIFFTAG_COLORIMETRICREFERENCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorimetricReference", NULL},
218
    {TIFFTAG_CAMERACALIBRATIONSIGNATURE, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibrationSignature", NULL},
219
    {TIFFTAG_PROFILECALIBRATIONSIGNATURE, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileCalibrationSignature", NULL},
220
    {TIFFTAG_EXTRACAMERAPROFILES, -1, -1, TIFF_IFD8, 0, TIFF_SETGET_C16_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ExtraCameraProfiles", NULL},
221
    {TIFFTAG_ASSHOTPROFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AsShotProfileName", NULL},
222
    {TIFFTAG_NOISEREDUCTIONAPPLIED, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "NoiseReductionApplied", NULL},
223
    {TIFFTAG_PROFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileName", NULL},
224
    {TIFFTAG_PROFILEHUESATMAPDIMS, 3, 3, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileHueSatMapDims", NULL},
225
    {TIFFTAG_PROFILEHUESATMAPDATA1, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileHueSatMapData1", NULL},
226
    {TIFFTAG_PROFILEHUESATMAPDATA2, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileHueSatMapData2", NULL},
227
    {TIFFTAG_PROFILETONECURVE, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileToneCurve", NULL},
228
    {TIFFTAG_PROFILEEMBEDPOLICY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileEmbedPolicy", NULL},
229
    {TIFFTAG_PROFILECOPYRIGHT, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileCopyright", NULL},
230
    {TIFFTAG_FORWARDMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ForwardMatrix1", NULL},
231
    {TIFFTAG_FORWARDMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ForwardMatrix2", NULL},
232
    {TIFFTAG_PREVIEWAPPLICATIONNAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "PreviewApplicationName", NULL},
233
    {TIFFTAG_PREVIEWAPPLICATIONVERSION, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "PreviewApplicationVersion", NULL},
234
    {TIFFTAG_PREVIEWSETTINGSNAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "PreviewSettingsName", NULL},
235
    {TIFFTAG_PREVIEWSETTINGSDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PreviewSettingsDigest", NULL},
236
    {TIFFTAG_PREVIEWCOLORSPACE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PreviewColorSpace", NULL},
237
    {TIFFTAG_PREVIEWDATETIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PreviewDateTime", NULL},
238
    {TIFFTAG_RAWIMAGEDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RawImageDigest", NULL},
239
    {TIFFTAG_ORIGINALRAWFILEDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalRawFileDigest", NULL},
240
    {TIFFTAG_SUBTILEBLOCKSIZE, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubTileBlockSize", NULL},
241
    {TIFFTAG_ROWINTERLEAVEFACTOR, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RowInterleaveFactor", NULL},
242
    {TIFFTAG_PROFILELOOKTABLEDIMS, 3, 3, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileLookTableDims", NULL},
243
    {TIFFTAG_PROFILELOOKTABLEDATA, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileLookTableData", NULL},
244
    /* begin DNG 1.3.0.0 tags */
245
    {TIFFTAG_OPCODELIST1, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OpcodeList1", NULL},
246
    {TIFFTAG_OPCODELIST2, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OpcodeList2", NULL},
247
    {TIFFTAG_OPCODELIST3, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OpcodeList3", NULL},
248
    {TIFFTAG_NOISEPROFILE, -1, -1, TIFF_DOUBLE, 0, TIFF_SETGET_C16_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "NoiseProfile", NULL},
249
    /* begin DNG 1.4.0.0 tags */
250
    {TIFFTAG_DEFAULTUSERCROP, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultUserCrop", NULL},
251
    {TIFFTAG_DEFAULTBLACKRENDER, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DefaultBlackRender", NULL},
252
    {TIFFTAG_BASELINEEXPOSUREOFFSET, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BaselineExposureOffset", NULL},
253
    {TIFFTAG_PROFILELOOKTABLEENCODING, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileLookTableEncoding", NULL},
254
    {TIFFTAG_PROFILEHUESATMAPENCODING, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileHueSatMapEncoding", NULL},
255
    {TIFFTAG_ORIGINALDEFAULTFINALSIZE, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalDefaultFinalSize", NULL},
256
    {TIFFTAG_ORIGINALBESTQUALITYFINALSIZE, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalBestQualityFinalSize", NULL},
257
    {TIFFTAG_ORIGINALDEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OriginalDefaultCropSize", NULL}, /* could also be rational */
258
    {TIFFTAG_NEWRAWIMAGEDIGEST, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "NewRawImageDigest", NULL},
259
    {TIFFTAG_RAWTOPREVIEWGAIN, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RawToPreviewGain", NULL},
260
    /* begin DNG 1.5.0.0 tags */
261
    {TIFFTAG_DEPTHFORMAT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthFormat", NULL},
262
    {TIFFTAG_DEPTHNEAR, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthNear", NULL},
263
    {TIFFTAG_DEPTHFAR, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthFar", NULL},
264
    {TIFFTAG_DEPTHUNITS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthUnits", NULL},
265
    {TIFFTAG_DEPTHMEASURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DepthMeasureType", NULL},
266
    {TIFFTAG_ENHANCEPARAMS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EnhanceParams", NULL},
267
    /* begin DNG 1.6.0.0 tags */
268
    {TIFFTAG_PROFILEGAINTABLEMAP, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileGainTableMap", NULL},
269
    {TIFFTAG_SEMANTICNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SemanticName", NULL},
270
    {TIFFTAG_SEMANTICINSTANCEID, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SemanticInstanceID", NULL},
271
    {TIFFTAG_MASKSUBAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaskSubArea", NULL},
272
    {TIFFTAG_RGBTABLES, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "RGBTables", NULL},
273
    {TIFFTAG_CALIBRATIONILLUMINANT3, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CalibrationIlluminant3", NULL},
274
    {TIFFTAG_COLORMATRIX3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ColorMatrix3", NULL},
275
    {TIFFTAG_CAMERACALIBRATION3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CameraCalibration3", NULL},
276
    {TIFFTAG_REDUCTIONMATRIX3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ReductionMatrix3", NULL},
277
    {TIFFTAG_PROFILEHUESATMAPDATA3, -1, -1, TIFF_FLOAT, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProfileHueSatMapData3", NULL},
278
    {TIFFTAG_FORWARDMATRIX3, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ForwardMatrix3", NULL},
279
    {TIFFTAG_ILLUMINANTDATA1, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "IlluminantData1", NULL},
280
    {TIFFTAG_ILLUMINANTDATA2, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "IlluminantData2", NULL},
281
    {TIFFTAG_ILLUMINANTDATA3, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "IlluminantData3", NULL},
282
    /* end DNG tags */
283
#endif
284
    /* begin TIFF/EP tags */
285
    {TIFFTAG_EP_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP CFARepeatPatternDim", NULL},
286
    {TIFFTAG_EP_CFAPATTERN, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP CFAPattern", NULL},
287
#if 0
288
    /* TIFFTAG_EP_BATTERYLEVEL can be RATIONAL or ASCII.
289
     * LibTiff defines it as ASCII and converts RATIONAL to an ASCII string. */
290
    {TIFFTAG_EP_BATTERYLEVEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP BatteryLevel", NULL},
291
    {TIFFTAG_EP_INTERLACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP Interlace", NULL},
292
    /* TIFFTAG_EP_IPTC_NAA and TIFFTAG_RICHTIFFIPTC share the same tag number (33723)
293
     *   LibTIFF type is UNDEFINED or BYTE, but often times incorrectly specified as LONG, because TIFF/EP (ISO/DIS 12234-2) specifies type LONG or ASCII. */
294
    {TIFFTAG_EP_TIMEZONEOFFSET, -1, -1, TIFF_SSHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP TimeZoneOffset", NULL},
295
    {TIFFTAG_EP_SELFTIMERMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SelfTimerMode", NULL},
296
    {TIFFTAG_EP_FLASHENERGY, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP FlashEnergy", NULL},
297
    {TIFFTAG_EP_SPATIALFREQUENCYRESPONSE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP SpatialFrequencyResponse", NULL},
298
    {TIFFTAG_EP_NOISE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP Noise", NULL},
299
    {TIFFTAG_EP_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP FocalPlaneXResolution", NULL},
300
    {TIFFTAG_EP_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP FocalPlaneYResolution", NULL},
301
    {TIFFTAG_EP_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP FocalPlaneResolutionUnit", NULL},
302
    {TIFFTAG_EP_IMAGENUMBER, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ImageNumber", NULL}, /* or SHORT */
303
    {TIFFTAG_EP_SECURITYCLASSIFICATION, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SecurityClassification", NULL},
304
    {TIFFTAG_EP_IMAGEHISTORY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ImageHistory", NULL},
305
    {TIFFTAG_EP_EXPOSUREINDEX, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP ExposureIndex", NULL},
306
    {TIFFTAG_EP_STANDARDID, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP StandardId", NULL},
307
    {TIFFTAG_EP_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SensingMethod", NULL},
308
    /* TIFF/EP tags equivalent to EXIF tags, sometimes defined differently. */
309
    {TIFFTAG_EP_EXPOSURETIME, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP ExposureTime", NULL}, /*N=1 or 2 */
310
    {TIFFTAG_EP_FNUMBER, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP FNumber", NULL},
311
    {TIFFTAG_EP_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ExposureProgram", NULL},
312
    {TIFFTAG_EP_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP SpectralSensitivity", NULL},
313
    {TIFFTAG_EP_ISOSPEEDRATINGS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ISOSpeedRatings", NULL},
314
    {TIFFTAG_EP_OECF, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP OptoelectricConversionFactor", NULL},
315
    {TIFFTAG_EP_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP DateTimeOriginal", NULL},
316
    {TIFFTAG_EP_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP CompressedBitsPerPixel", NULL},
317
    {TIFFTAG_EP_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ShutterSpeedValue", NULL},
318
    {TIFFTAG_EP_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP ApertureValue", NULL},
319
    {TIFFTAG_EP_BRIGHTNESSVALUE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP BrightnessValue", NULL},
320
    {TIFFTAG_EP_EXPOSUREBIASVALUE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP ExposureBiasValue", NULL}, /*N=1 or 2 */
321
    {TIFFTAG_EP_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP MaxApertureValue", NULL},
322
    {TIFFTAG_EP_SUBJECTDISTANCE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP SubjectDistance", NULL},
323
    {TIFFTAG_EP_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP MeteringMode", NULL},
324
    {TIFFTAG_EP_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP LightSource", NULL},
325
    {TIFFTAG_EP_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EP Flash", NULL},
326
    {TIFFTAG_EP_FOCALLENGTH, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP FocalLength", NULL},
327
    {TIFFTAG_EP_SUBJECTLOCATION, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "EP SubjectLocation", NULL},
328
    /* end TIFF/EP tags */
329
#endif
330
    /* begin TIFF/FX tags */
331
    {TIFFTAG_INDEXED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Indexed", NULL},
332
    {TIFFTAG_GLOBALPARAMETERSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GlobalParametersIFD", NULL},
333
    {TIFFTAG_PROFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ProfileType", NULL},
334
    {TIFFTAG_FAXPROFILE, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FaxProfile", NULL},
335
    {TIFFTAG_CODINGMETHODS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CodingMethods", NULL},
336
    {TIFFTAG_VERSIONYEAR, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "VersionYear", NULL},
337
    {TIFFTAG_MODENUMBER, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ModeNumber", NULL},
338
    {TIFFTAG_DECODE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "Decode", NULL},
339
    {TIFFTAG_IMAGEBASECOLOR, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ImageBaseColor", NULL},
340
    {TIFFTAG_T82OPTIONS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "T82Options", NULL},
341
    {TIFFTAG_STRIPROWCOUNTS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "StripRowCounts", NULL},
342
    {TIFFTAG_IMAGELAYER, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageLayer", NULL},
343
    /* end TIFF/FX tags */
344
    /* begin pseudo tags */
345
};
346

347
/*
348
 * EXIF tags  (Version 2.31, July 2016 plus version 2.32 May 2019)
349
 */
350
static const TIFFField exifFields[] = {
351
    {EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL},
352
    {EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL},
353
    {EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureProgram", NULL},
354
    {EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpectralSensitivity", NULL},
355
    /* After EXIF 2.2.1 ISOSpeedRatings is named PhotographicSensitivity. In addition, while "Count=Any", only 1 count should be used. */
356
    {EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ISOSpeedRatings", NULL},
357
    {EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OptoelectricConversionFactor", NULL},
358
    {EXIFTAG_SENSITIVITYTYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensitivityType", NULL},
359
    {EXIFTAG_STANDARDOUTPUTSENSITIVITY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "StandardOutputSensitivity", NULL},
360
    {EXIFTAG_RECOMMENDEDEXPOSUREINDEX, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RecommendedExposureIndex", NULL},
361
    {EXIFTAG_ISOSPEED, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeed", NULL},
362
    {EXIFTAG_ISOSPEEDLATITUDEYYY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudeyyy", NULL},
363
    {EXIFTAG_ISOSPEEDLATITUDEZZZ, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudezzz", NULL},
364
    {EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExifVersion", NULL},
365
    {EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeOriginal", NULL},
366
    {EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeDigitized", NULL},
367
    {EXIFTAG_OFFSETTIME, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTime", NULL},
368
    {EXIFTAG_OFFSETTIMEORIGINAL, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeOriginal", NULL},
369
    {EXIFTAG_OFFSETTIMEDIGITIZED, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeDigitized", NULL},
370
    {EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ComponentsConfiguration", NULL},
371
    {EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL},
372
    {EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL},
373
    {EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL},
374
    {EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL},
375
    {EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL},
376
    {EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL},
377
    /*--: EXIFTAG_SUBJECTDISTANCE: LibTiff returns value of "-1" if numerator equals 4294967295 (0xFFFFFFFF) to indicate infinite distance!
378
     *    However, there are two other EXIF tags where numerator indicates a special value and six other cases where the denominator indicates special values,
379
     *    which are not treated within LibTiff!! */
380
    {EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL},
381
    {EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeteringMode", NULL},
382
    {EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LightSource", NULL},
383
    {EXIFTAG_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Flash", NULL},
384
    {EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL},
385
    {EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SubjectArea", NULL},
386
    {EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MakerNote", NULL},
387
    {EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "UserComment", NULL},
388
    {EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTime", NULL},
389
    {EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeOriginal", NULL},
390
    {EXIFTAG_SUBSECTIMEDIGITIZED, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeDigitized", NULL},
391
    {EXIFTAG_TEMPERATURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Temperature", NULL},
392
    {EXIFTAG_HUMIDITY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Humidity", NULL},
393
    {EXIFTAG_PRESSURE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Pressure", NULL},
394
    {EXIFTAG_WATERDEPTH, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WaterDepth", NULL},
395
    {EXIFTAG_ACCELERATION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Acceleration", NULL},
396
    {EXIFTAG_CAMERAELEVATIONANGLE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraElevationAngle", NULL},
397
    {EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashpixVersion", NULL},
398
    {EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorSpace", NULL},
399
    {EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelXDimension", NULL},
400
    {EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelYDimension", NULL},
401
    {EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RelatedSoundFile", NULL},
402
    {EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL},
403
    {EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SpatialFrequencyResponse", NULL},
404
    {EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL},
405
    {EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL},
406
    {EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneResolutionUnit", NULL},
407
    {EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectLocation", NULL},
408
    {EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL},
409
    {EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensingMethod", NULL},
410
    {EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FileSource", NULL},
411
    {EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneType", NULL},
412
    {EXIFTAG_CFAPATTERN, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPattern", NULL},
413
    {EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CustomRendered", NULL},
414
    {EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureMode", NULL},
415
    {EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhiteBalance", NULL},
416
    {EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL},
417
    {EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLengthIn35mmFilm", NULL},
418
    {EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneCaptureType", NULL},
419
    {EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL},
420
    {EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Contrast", NULL},
421
    {EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Saturation", NULL},
422
    {EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Sharpness", NULL},
423
    {EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DeviceSettingDescription", NULL},
424
    {EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistanceRange", NULL},
425
    {EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL},
426
    {EXIFTAG_CAMERAOWNERNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraOwnerName", NULL},
427
    {EXIFTAG_BODYSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BodySerialNumber", NULL},
428
    {EXIFTAG_LENSSPECIFICATION, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSpecification", NULL},
429
    {EXIFTAG_LENSMAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensMake", NULL},
430
    {EXIFTAG_LENSMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensModel", NULL},
431
    {EXIFTAG_LENSSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSerialNumber", NULL},
432
    {EXIFTAG_GAMMA, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Gamma", NULL},
433
    {EXIFTAG_COMPOSITEIMAGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompositeImage", NULL},
434
    {EXIFTAG_SOURCEIMAGENUMBEROFCOMPOSITEIMAGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SourceImageNumberOfCompositeImage", NULL},
435
    {EXIFTAG_SOURCEEXPOSURETIMESOFCOMPOSITEIMAGE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1,
436
     "SourceExposureTimesOfCompositeImage", NULL}};
437
/*
438
 * EXIF-GPS tags  (Version 2.31, July 2016; nothing changed for version 2.32 May
439
 * 2019)
440
 */
441

442
static const TIFFField gpsFields[] = {
443
    /*  For the GPS tag definitions in gpsFields[] the standard definition for Rationals is TIFF_SETGET_DOUBLE and TIFF_SETGET_C0_FLOAT.
444
     *-- ATTENTION: After the upgrade with Rational2Double, the GPSTAG values can now be written and also read in double precision!
445
     *              In order to achieve double precision for GPS tags: Standard definitions for GPSTAG is kept to TIFF_SETGET_DOUBLE
446
     *              and TIFF_SETGET_C0_FLOAT is changed to TIFF_SETGET_C0_DOUBLE.
447
     */
448
    {GPSTAG_VERSIONID, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UINT8, FIELD_CUSTOM, 1, 0, "VersionID", NULL},
449
    {GPSTAG_LATITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LatitudeRef", NULL},
450
    {GPSTAG_LATITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Latitude", NULL},
451
    {GPSTAG_LONGITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LongitudeRef", NULL},
452
    {GPSTAG_LONGITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Longitude", NULL},
453
    {GPSTAG_ALTITUDEREF, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "AltitudeRef", NULL},
454
    {GPSTAG_ALTITUDE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Altitude", NULL},
455
    {GPSTAG_TIMESTAMP, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TimeStamp", NULL},
456
    {GPSTAG_SATELLITES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Satellites", NULL},
457
    {GPSTAG_STATUS, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Status", NULL},
458
    {GPSTAG_MEASUREMODE, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeasureMode", NULL},
459
    {GPSTAG_DOP, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DOP", NULL},
460
    {GPSTAG_SPEEDREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpeedRef", NULL},
461
    {GPSTAG_SPEED, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Speed", NULL},
462
    {GPSTAG_TRACKREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TrackRef", NULL},
463
    {GPSTAG_TRACK, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Track", NULL},
464
    {GPSTAG_IMGDIRECTIONREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImgDirectionRef", NULL},
465
    {GPSTAG_IMGDIRECTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImgDirection", NULL},
466
    {GPSTAG_MAPDATUM, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MapDatum", NULL},
467
    {GPSTAG_DESTLATITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLatitudeRef", NULL},
468
    {GPSTAG_DESTLATITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLatitude", NULL},
469
    {GPSTAG_DESTLONGITUDEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLongitudeRef", NULL},
470
    {GPSTAG_DESTLONGITUDE, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestLongitude", NULL},
471
    {GPSTAG_DESTBEARINGREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestBearingRef", NULL},
472
    {GPSTAG_DESTBEARING, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestBearing", NULL},
473
    {GPSTAG_DESTDISTANCEREF, 2, 2, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestDistanceRef", NULL},
474
    {GPSTAG_DESTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DestDistance", NULL},
475
    {GPSTAG_PROCESSINGMETHOD, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ProcessingMethod", NULL},
476
    {GPSTAG_AREAINFORMATION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "AreaInformation", NULL},
477
    {GPSTAG_DATESTAMP, 11, 11, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateStamp", NULL},
478
    {GPSTAG_DIFFERENTIAL, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Differential", NULL},
479
    {GPSTAG_GPSHPOSITIONINGERROR, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "HorizontalPositioningError", NULL}};
480
/* clang-format on */ /* was off for better readability of tag comments */
481

482
static const TIFFFieldArray tiffFieldArray = {
483
    tfiatImage, 0, TIFFArrayCount(tiffFields), (TIFFField *)tiffFields};
484
static const TIFFFieldArray exifFieldArray = {
485
    tfiatExif, 0, TIFFArrayCount(exifFields), (TIFFField *)exifFields};
486
static const TIFFFieldArray gpsFieldArray = {
487
    tfiatGps, 0, TIFFArrayCount(gpsFields), (TIFFField *)gpsFields};
488

489
/*
490
 *  We have our own local lfind() equivalent to avoid subtle differences
491
 *  in types passed to lfind() on different systems.
492
 */
493

494
static void *td_lfind(const void *key, const void *base, size_t *nmemb,
495
                      size_t size, int (*compar)(const void *, const void *))
496
{
497
    char *element, *end;
498

499
    end = (char *)base + *nmemb * size;
500
    for (element = (char *)base; element < end; element += size)
501
        if (!compar(key, element)) /* key found */
502
            return element;
503

504
    return NULL;
505
}
506

507
const TIFFFieldArray *_TIFFGetFields(void) { return (&tiffFieldArray); }
508

509
const TIFFFieldArray *_TIFFGetExifFields(void) { return (&exifFieldArray); }
510

511
const TIFFFieldArray *_TIFFGetGpsFields(void) { return (&gpsFieldArray); }
512

513
void _TIFFSetupFields(TIFF *tif, const TIFFFieldArray *fieldarray)
514
{
515
    if (tif->tif_fields && tif->tif_nfields > 0)
516
    {
517
        uint32_t i;
518

519
        for (i = 0; i < tif->tif_nfields; i++)
520
        {
521
            TIFFField *fld = tif->tif_fields[i];
522
            if (fld->field_name != NULL)
523
            {
524
                if (fld->field_bit == FIELD_CUSTOM && TIFFFieldIsAnonymous(fld))
525
                {
526
                    _TIFFfreeExt(tif, fld->field_name);
527
                    /* caution: tif_fields[i] must not be the beginning of a
528
                     * fields-array. Otherwise the following tags are also freed
529
                     * with the first free().
530
                     */
531
                    _TIFFfreeExt(tif, fld);
532
                }
533
            }
534
        }
535

536
        _TIFFfreeExt(tif, tif->tif_fields);
537
        tif->tif_fields = NULL;
538
        tif->tif_nfields = 0;
539
    }
540
    if (!_TIFFMergeFields(tif, fieldarray->fields, fieldarray->count))
541
    {
542
        TIFFErrorExtR(tif, "_TIFFSetupFields", "Setting up field info failed");
543
    }
544
}
545

546
static int tagCompare(const void *a, const void *b)
547
{
548
    const TIFFField *ta = *(const TIFFField **)a;
549
    const TIFFField *tb = *(const TIFFField **)b;
550
    /* NB: be careful of return values for 16-bit platforms */
551
    if (ta->field_tag != tb->field_tag)
552
        return (int)ta->field_tag - (int)tb->field_tag;
553
    else
554
        return (ta->field_type == TIFF_ANY)
555
                   ? 0
556
                   : ((int)tb->field_type - (int)ta->field_type);
557
}
558

559
static int tagNameCompare(const void *a, const void *b)
560
{
561
    const TIFFField *ta = *(const TIFFField **)a;
562
    const TIFFField *tb = *(const TIFFField **)b;
563
    int ret = strcmp(ta->field_name, tb->field_name);
564

565
    if (ret)
566
        return ret;
567
    else
568
        return (ta->field_type == TIFF_ANY)
569
                   ? 0
570
                   : ((int)tb->field_type - (int)ta->field_type);
571
}
572

573
int _TIFFMergeFields(TIFF *tif, const TIFFField info[], uint32_t n)
574
{
575
    static const char module[] = "_TIFFMergeFields";
576
    static const char reason[] = "for fields array";
577
    /* TIFFField** tp; */
578
    uint32_t i;
579

580
    tif->tif_foundfield = NULL;
581

582
    if (tif->tif_fields && tif->tif_nfields > 0)
583
    {
584
        tif->tif_fields = (TIFFField **)_TIFFCheckRealloc(
585
            tif, tif->tif_fields, (tif->tif_nfields + n), sizeof(TIFFField *),
586
            reason);
587
    }
588
    else
589
    {
590
        tif->tif_fields =
591
            (TIFFField **)_TIFFCheckMalloc(tif, n, sizeof(TIFFField *), reason);
592
    }
593
    if (!tif->tif_fields)
594
    {
595
        TIFFErrorExtR(tif, module, "Failed to allocate fields array");
596
        return 0;
597
    }
598

599
    /* tp = tif->tif_fields + tif->tif_nfields; */
600
    for (i = 0; i < n; i++)
601
    {
602
        const TIFFField *fip = TIFFFindField(tif, info[i].field_tag, TIFF_ANY);
603

604
        /* only add definitions that aren't already present */
605
        if (!fip)
606
        {
607
            tif->tif_fields[tif->tif_nfields] = (TIFFField *)(info + i);
608
            tif->tif_nfields++;
609
        }
610
    }
611

612
    /* Sort the field info by tag number */
613
    qsort(tif->tif_fields, tif->tif_nfields, sizeof(TIFFField *), tagCompare);
614

615
    return n;
616
}
617

618
void _TIFFPrintFieldInfo(TIFF *tif, FILE *fd)
619
{
620
    uint32_t i;
621

622
    fprintf(fd, "%s: \n", tif->tif_name);
623
    for (i = 0; i < tif->tif_nfields; i++)
624
    {
625
        const TIFFField *fip = tif->tif_fields[i];
626
        fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n",
627
                (int)i, (unsigned long)fip->field_tag, fip->field_readcount,
628
                fip->field_writecount, fip->field_type, fip->field_bit,
629
                fip->field_oktochange ? "TRUE" : "FALSE",
630
                fip->field_passcount ? "TRUE" : "FALSE", fip->field_name);
631
    }
632
}
633

634
/*
635
 * Return size of TIFFDataType within TIFF-file in bytes
636
 */
637
int TIFFDataWidth(TIFFDataType type)
638
{
639
    switch (type)
640
    {
641
        case 0: /* nothing */
642
        case TIFF_BYTE:
643
        case TIFF_ASCII:
644
        case TIFF_SBYTE:
645
        case TIFF_UNDEFINED:
646
            return 1;
647
        case TIFF_SHORT:
648
        case TIFF_SSHORT:
649
            return 2;
650
        case TIFF_LONG:
651
        case TIFF_SLONG:
652
        case TIFF_FLOAT:
653
        case TIFF_IFD:
654
            return 4;
655
        case TIFF_RATIONAL:
656
        case TIFF_SRATIONAL:
657
        case TIFF_DOUBLE:
658
        case TIFF_LONG8:
659
        case TIFF_SLONG8:
660
        case TIFF_IFD8:
661
            return 8;
662
        default:
663
            return 0; /* will return 0 for unknown types */
664
    }
665
}
666

667
/*
668
 * Return internal storage size of TIFFSetGetFieldType in bytes.
669
 * TIFFSetField() and TIFFGetField() have to provide the parameter accordingly.
670
 * Replaces internal functions _TIFFDataSize() and _TIFFSetGetFieldSize()
671
 * with now extern available function TIFFFieldSetGetSize().
672
 */
673
int TIFFFieldSetGetSize(const TIFFField *fip)
674
{
675
    /*
676
     * TIFFSetField() and TIFFGetField() must provide the parameter accordingly
677
     * to the definition of "set_field_type" of the tag definition in
678
     * dir_info.c. This function returns the data size for that purpose.
679
     *
680
     * Furthermore, this data size is also used for the internal storage,
681
     * even for TIFF_RATIONAL values for FIELD_CUSTOM, which are stored
682
     * internally as 4-byte float, but some of them should be stored internally
683
     * as 8-byte double, depending on the "set_field_type" _FLOAT_ or _DOUBLE_.
684
     */
685
    if (fip == NULL)
686
        return 0;
687

688
    switch (fip->set_field_type)
689
    {
690
        case TIFF_SETGET_UNDEFINED:
691
        case TIFF_SETGET_ASCII:
692
        case TIFF_SETGET_C0_ASCII:
693
        case TIFF_SETGET_C16_ASCII:
694
        case TIFF_SETGET_C32_ASCII:
695
        case TIFF_SETGET_OTHER:
696
            return 1;
697
        case TIFF_SETGET_UINT8:
698
        case TIFF_SETGET_SINT8:
699
        case TIFF_SETGET_C0_UINT8:
700
        case TIFF_SETGET_C0_SINT8:
701
        case TIFF_SETGET_C16_UINT8:
702
        case TIFF_SETGET_C16_SINT8:
703
        case TIFF_SETGET_C32_UINT8:
704
        case TIFF_SETGET_C32_SINT8:
705
            return 1;
706
        case TIFF_SETGET_UINT16:
707
        case TIFF_SETGET_SINT16:
708
        case TIFF_SETGET_C0_UINT16:
709
        case TIFF_SETGET_C0_SINT16:
710
        case TIFF_SETGET_C16_UINT16:
711
        case TIFF_SETGET_C16_SINT16:
712
        case TIFF_SETGET_C32_UINT16:
713
        case TIFF_SETGET_C32_SINT16:
714
            return 2;
715
        case TIFF_SETGET_INT:
716
        case TIFF_SETGET_UINT32:
717
        case TIFF_SETGET_SINT32:
718
        case TIFF_SETGET_FLOAT:
719
        case TIFF_SETGET_UINT16_PAIR:
720
        case TIFF_SETGET_C0_UINT32:
721
        case TIFF_SETGET_C0_SINT32:
722
        case TIFF_SETGET_C0_FLOAT:
723
        case TIFF_SETGET_C16_UINT32:
724
        case TIFF_SETGET_C16_SINT32:
725
        case TIFF_SETGET_C16_FLOAT:
726
        case TIFF_SETGET_C32_UINT32:
727
        case TIFF_SETGET_C32_SINT32:
728
        case TIFF_SETGET_C32_FLOAT:
729
            return 4;
730
        case TIFF_SETGET_UINT64:
731
        case TIFF_SETGET_SINT64:
732
        case TIFF_SETGET_DOUBLE:
733
        case TIFF_SETGET_IFD8:
734
        case TIFF_SETGET_C0_UINT64:
735
        case TIFF_SETGET_C0_SINT64:
736
        case TIFF_SETGET_C0_DOUBLE:
737
        case TIFF_SETGET_C0_IFD8:
738
        case TIFF_SETGET_C16_UINT64:
739
        case TIFF_SETGET_C16_SINT64:
740
        case TIFF_SETGET_C16_DOUBLE:
741
        case TIFF_SETGET_C16_IFD8:
742
        case TIFF_SETGET_C32_UINT64:
743
        case TIFF_SETGET_C32_SINT64:
744
        case TIFF_SETGET_C32_DOUBLE:
745
        case TIFF_SETGET_C32_IFD8:
746
            return 8;
747
        default:
748
            return 0;
749
    }
750
} /*-- TIFFFieldSetGetSize() --- */
751

752
/*
753
 * Return size of count parameter of TIFFSetField() and TIFFGetField()
754
 * and also if it is required:  0=none, 2=uint16_t, 4=uint32_t
755
 */
756
int TIFFFieldSetGetCountSize(const TIFFField *fip)
757
{
758
    if (fip == NULL)
759
        return 0;
760

761
    switch (fip->set_field_type)
762
    {
763
        case TIFF_SETGET_C16_ASCII:
764
        case TIFF_SETGET_C16_UINT8:
765
        case TIFF_SETGET_C16_SINT8:
766
        case TIFF_SETGET_C16_UINT16:
767
        case TIFF_SETGET_C16_SINT16:
768
        case TIFF_SETGET_C16_UINT32:
769
        case TIFF_SETGET_C16_SINT32:
770
        case TIFF_SETGET_C16_FLOAT:
771
        case TIFF_SETGET_C16_UINT64:
772
        case TIFF_SETGET_C16_SINT64:
773
        case TIFF_SETGET_C16_DOUBLE:
774
        case TIFF_SETGET_C16_IFD8:
775
            return 2;
776
        case TIFF_SETGET_C32_ASCII:
777
        case TIFF_SETGET_C32_UINT8:
778
        case TIFF_SETGET_C32_SINT8:
779
        case TIFF_SETGET_C32_UINT16:
780
        case TIFF_SETGET_C32_SINT16:
781
        case TIFF_SETGET_C32_UINT32:
782
        case TIFF_SETGET_C32_SINT32:
783
        case TIFF_SETGET_C32_FLOAT:
784
        case TIFF_SETGET_C32_UINT64:
785
        case TIFF_SETGET_C32_SINT64:
786
        case TIFF_SETGET_C32_DOUBLE:
787
        case TIFF_SETGET_C32_IFD8:
788
            return 4;
789
        default:
790
            return 0;
791
    }
792
} /*-- TIFFFieldSetGetCountSize() --- */
793

794
const TIFFField *TIFFFindField(TIFF *tif, uint32_t tag, TIFFDataType dt)
795
{
796
    TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
797
    TIFFField *pkey = &key;
798
    const TIFFField **ret;
799
    if (tif->tif_foundfield && tif->tif_foundfield->field_tag == tag &&
800
        (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
801
        return tif->tif_foundfield;
802

803
    /* If we are invoked with no field information, then just return. */
804
    if (!tif->tif_fields)
805
        return NULL;
806

807
    /* NB: use sorted search (e.g. binary search) */
808

809
    key.field_tag = tag;
810
    key.field_type = dt;
811

812
    ret = (const TIFFField **)bsearch(&pkey, tif->tif_fields, tif->tif_nfields,
813
                                      sizeof(TIFFField *), tagCompare);
814
    return tif->tif_foundfield = (ret ? *ret : NULL);
815
}
816

817
static const TIFFField *_TIFFFindFieldByName(TIFF *tif, const char *field_name,
818
                                             TIFFDataType dt)
819
{
820
    TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
821
    TIFFField *pkey = &key;
822
    const TIFFField **ret;
823
    if (tif->tif_foundfield &&
824
        streq(tif->tif_foundfield->field_name, field_name) &&
825
        (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
826
        return (tif->tif_foundfield);
827

828
    /* If we are invoked with no field information, then just return. */
829
    if (!tif->tif_fields)
830
        return NULL;
831

832
    /* NB: use linear search since list is sorted by key#, not name */
833

834
    key.field_name = (char *)field_name;
835
    key.field_type = dt;
836

837
    ret =
838
        (const TIFFField **)td_lfind(&pkey, tif->tif_fields, &tif->tif_nfields,
839
                                     sizeof(TIFFField *), tagNameCompare);
840

841
    return tif->tif_foundfield = (ret ? *ret : NULL);
842
}
843

844
const TIFFField *TIFFFieldWithTag(TIFF *tif, uint32_t tag)
845
{
846
    const TIFFField *fip = TIFFFindField(tif, tag, TIFF_ANY);
847
    if (!fip)
848
    {
849
        TIFFWarningExtR(tif, "TIFFFieldWithTag", "Warning, unknown tag 0x%x",
850
                        (unsigned int)tag);
851
    }
852
    return (fip);
853
}
854

855
const TIFFField *TIFFFieldWithName(TIFF *tif, const char *field_name)
856
{
857
    const TIFFField *fip = _TIFFFindFieldByName(tif, field_name, TIFF_ANY);
858
    if (!fip)
859
    {
860
        TIFFWarningExtR(tif, "TIFFFieldWithName", "Warning, unknown tag %s",
861
                        field_name);
862
    }
863
    return (fip);
864
}
865

866
uint32_t TIFFFieldTag(const TIFFField *fip) { return fip->field_tag; }
867

868
const char *TIFFFieldName(const TIFFField *fip) { return fip->field_name; }
869

870
TIFFDataType TIFFFieldDataType(const TIFFField *fip) { return fip->field_type; }
871

872
int TIFFFieldPassCount(const TIFFField *fip) { return fip->field_passcount; }
873

874
int TIFFFieldReadCount(const TIFFField *fip) { return fip->field_readcount; }
875

876
int TIFFFieldWriteCount(const TIFFField *fip) { return fip->field_writecount; }
877

878
int TIFFFieldIsAnonymous(const TIFFField *fip) { return fip->field_anonymous; }
879

880
const TIFFField *_TIFFFindOrRegisterField(TIFF *tif, uint32_t tag,
881
                                          TIFFDataType dt)
882

883
{
884
    const TIFFField *fld;
885

886
    fld = TIFFFindField(tif, tag, dt);
887
    if (fld == NULL)
888
    {
889
        fld = _TIFFCreateAnonField(tif, tag, dt);
890
        if (fld == NULL || !_TIFFMergeFields(tif, fld, 1))
891
            return NULL;
892
    }
893

894
    return fld;
895
}
896

897
TIFFField *_TIFFCreateAnonField(TIFF *tif, uint32_t tag,
898
                                TIFFDataType field_type)
899
{
900
    TIFFField *fld;
901
    (void)tif;
902

903
    fld = (TIFFField *)_TIFFmallocExt(tif, sizeof(TIFFField));
904
    if (fld == NULL)
905
        return NULL;
906
    _TIFFmemset(fld, 0, sizeof(TIFFField));
907

908
    fld->field_tag = tag;
909
    fld->field_readcount = TIFF_VARIABLE2;
910
    fld->field_writecount = TIFF_VARIABLE2;
911
    fld->field_type = field_type;
912
    fld->field_anonymous =
913
        1; /* indicate that this is an anonymous / unknown tag */
914
    switch (field_type)
915
    {
916
        case TIFF_BYTE:
917
        case TIFF_UNDEFINED:
918
            fld->set_field_type = TIFF_SETGET_C32_UINT8;
919
            fld->get_field_type = TIFF_SETGET_C32_UINT8;
920
            break;
921
        case TIFF_ASCII:
922
            fld->set_field_type = TIFF_SETGET_C32_ASCII;
923
            fld->get_field_type = TIFF_SETGET_C32_ASCII;
924
            break;
925
        case TIFF_SHORT:
926
            fld->set_field_type = TIFF_SETGET_C32_UINT16;
927
            fld->get_field_type = TIFF_SETGET_C32_UINT16;
928
            break;
929
        case TIFF_LONG:
930
            fld->set_field_type = TIFF_SETGET_C32_UINT32;
931
            fld->get_field_type = TIFF_SETGET_C32_UINT32;
932
            break;
933
        case TIFF_RATIONAL:
934
        case TIFF_SRATIONAL:
935
        case TIFF_FLOAT:
936
            fld->set_field_type = TIFF_SETGET_C32_FLOAT;
937
            fld->get_field_type = TIFF_SETGET_C32_FLOAT;
938
            break;
939
        case TIFF_SBYTE:
940
            fld->set_field_type = TIFF_SETGET_C32_SINT8;
941
            fld->get_field_type = TIFF_SETGET_C32_SINT8;
942
            break;
943
        case TIFF_SSHORT:
944
            fld->set_field_type = TIFF_SETGET_C32_SINT16;
945
            fld->get_field_type = TIFF_SETGET_C32_SINT16;
946
            break;
947
        case TIFF_SLONG:
948
            fld->set_field_type = TIFF_SETGET_C32_SINT32;
949
            fld->get_field_type = TIFF_SETGET_C32_SINT32;
950
            break;
951
        case TIFF_DOUBLE:
952
            fld->set_field_type = TIFF_SETGET_C32_DOUBLE;
953
            fld->get_field_type = TIFF_SETGET_C32_DOUBLE;
954
            break;
955
        case TIFF_IFD:
956
        case TIFF_IFD8:
957
            fld->set_field_type = TIFF_SETGET_C32_IFD8;
958
            fld->get_field_type = TIFF_SETGET_C32_IFD8;
959
            break;
960
        case TIFF_LONG8:
961
            fld->set_field_type = TIFF_SETGET_C32_UINT64;
962
            fld->get_field_type = TIFF_SETGET_C32_UINT64;
963
            break;
964
        case TIFF_SLONG8:
965
            fld->set_field_type = TIFF_SETGET_C32_SINT64;
966
            fld->get_field_type = TIFF_SETGET_C32_SINT64;
967
            break;
968
        default:
969
            fld->set_field_type = TIFF_SETGET_UNDEFINED;
970
            fld->get_field_type = TIFF_SETGET_UNDEFINED;
971
            break;
972
    }
973
    fld->field_bit = FIELD_CUSTOM;
974
    fld->field_oktochange = TRUE;
975
    fld->field_passcount = TRUE;
976
    fld->field_name = (char *)_TIFFmallocExt(tif, 32);
977
    if (fld->field_name == NULL)
978
    {
979
        _TIFFfreeExt(tif, fld);
980
        return NULL;
981
    }
982
    fld->field_subfields = NULL;
983

984
    /*
985
     * note that this name is a special sign to TIFFClose() and
986
     * _TIFFSetupFields() to free the field
987
     * Update:
988
     *   This special sign is replaced by fld->field_anonymous  flag.
989
     */
990
    (void)snprintf(fld->field_name, 32, "Tag %d", (int)tag);
991

992
    return fld;
993
}
994

995
/****************************************************************************
996
 *               O B S O L E T E D    I N T E R F A C E S
997
 *
998
 * Don't use this stuff in your applications, it may be removed in the future
999
 * libtiff versions.
1000
 ****************************************************************************/
1001

1002
static TIFFSetGetFieldType _TIFFSetGetType(TIFFDataType type, short count,
1003
                                           unsigned char passcount)
1004
{
1005
    if (type == TIFF_ASCII && count == TIFF_VARIABLE && passcount == 0)
1006
        return TIFF_SETGET_ASCII;
1007

1008
    else if (count == 1 && passcount == 0)
1009
    {
1010
        switch (type)
1011
        {
1012
            case TIFF_BYTE:
1013
            case TIFF_UNDEFINED:
1014
                return TIFF_SETGET_UINT8;
1015
            case TIFF_ASCII:
1016
                return TIFF_SETGET_ASCII;
1017
            case TIFF_SHORT:
1018
                return TIFF_SETGET_UINT16;
1019
            case TIFF_LONG:
1020
                return TIFF_SETGET_UINT32;
1021
            case TIFF_RATIONAL:
1022
            case TIFF_SRATIONAL:
1023
            case TIFF_FLOAT:
1024
                return TIFF_SETGET_FLOAT;
1025
            case TIFF_SBYTE:
1026
                return TIFF_SETGET_SINT8;
1027
            case TIFF_SSHORT:
1028
                return TIFF_SETGET_SINT16;
1029
            case TIFF_SLONG:
1030
                return TIFF_SETGET_SINT32;
1031
            case TIFF_DOUBLE:
1032
                return TIFF_SETGET_DOUBLE;
1033
            case TIFF_IFD:
1034
            case TIFF_IFD8:
1035
                return TIFF_SETGET_IFD8;
1036
            case TIFF_LONG8:
1037
                return TIFF_SETGET_UINT64;
1038
            case TIFF_SLONG8:
1039
                return TIFF_SETGET_SINT64;
1040
            default:
1041
                return TIFF_SETGET_UNDEFINED;
1042
        }
1043
    }
1044

1045
    else if (count >= 1 && passcount == 0)
1046
    {
1047
        switch (type)
1048
        {
1049
            case TIFF_BYTE:
1050
            case TIFF_UNDEFINED:
1051
                return TIFF_SETGET_C0_UINT8;
1052
            case TIFF_ASCII:
1053
                return TIFF_SETGET_C0_ASCII;
1054
            case TIFF_SHORT:
1055
                return TIFF_SETGET_C0_UINT16;
1056
            case TIFF_LONG:
1057
                return TIFF_SETGET_C0_UINT32;
1058
            case TIFF_RATIONAL:
1059
            case TIFF_SRATIONAL:
1060
            case TIFF_FLOAT:
1061
                return TIFF_SETGET_C0_FLOAT;
1062
            case TIFF_SBYTE:
1063
                return TIFF_SETGET_C0_SINT8;
1064
            case TIFF_SSHORT:
1065
                return TIFF_SETGET_C0_SINT16;
1066
            case TIFF_SLONG:
1067
                return TIFF_SETGET_C0_SINT32;
1068
            case TIFF_DOUBLE:
1069
                return TIFF_SETGET_C0_DOUBLE;
1070
            case TIFF_IFD:
1071
            case TIFF_IFD8:
1072
                return TIFF_SETGET_C0_IFD8;
1073
            case TIFF_LONG8:
1074
                return TIFF_SETGET_C0_UINT64;
1075
            case TIFF_SLONG8:
1076
                return TIFF_SETGET_C0_SINT64;
1077
            default:
1078
                return TIFF_SETGET_UNDEFINED;
1079
        }
1080
    }
1081

1082
    else if (count == TIFF_VARIABLE && passcount == 1)
1083
    {
1084
        switch (type)
1085
        {
1086
            case TIFF_BYTE:
1087
            case TIFF_UNDEFINED:
1088
                return TIFF_SETGET_C16_UINT8;
1089
            case TIFF_ASCII:
1090
                return TIFF_SETGET_C16_ASCII;
1091
            case TIFF_SHORT:
1092
                return TIFF_SETGET_C16_UINT16;
1093
            case TIFF_LONG:
1094
                return TIFF_SETGET_C16_UINT32;
1095
            case TIFF_RATIONAL:
1096
            case TIFF_SRATIONAL:
1097
            case TIFF_FLOAT:
1098
                return TIFF_SETGET_C16_FLOAT;
1099
            case TIFF_SBYTE:
1100
                return TIFF_SETGET_C16_SINT8;
1101
            case TIFF_SSHORT:
1102
                return TIFF_SETGET_C16_SINT16;
1103
            case TIFF_SLONG:
1104
                return TIFF_SETGET_C16_SINT32;
1105
            case TIFF_DOUBLE:
1106
                return TIFF_SETGET_C16_DOUBLE;
1107
            case TIFF_IFD:
1108
            case TIFF_IFD8:
1109
                return TIFF_SETGET_C16_IFD8;
1110
            case TIFF_LONG8:
1111
                return TIFF_SETGET_C16_UINT64;
1112
            case TIFF_SLONG8:
1113
                return TIFF_SETGET_C16_SINT64;
1114
            default:
1115
                return TIFF_SETGET_UNDEFINED;
1116
        }
1117
    }
1118

1119
    else if (count == TIFF_VARIABLE2 && passcount == 1)
1120
    {
1121
        switch (type)
1122
        {
1123
            case TIFF_BYTE:
1124
            case TIFF_UNDEFINED:
1125
                return TIFF_SETGET_C32_UINT8;
1126
            case TIFF_ASCII:
1127
                return TIFF_SETGET_C32_ASCII;
1128
            case TIFF_SHORT:
1129
                return TIFF_SETGET_C32_UINT16;
1130
            case TIFF_LONG:
1131
                return TIFF_SETGET_C32_UINT32;
1132
            case TIFF_RATIONAL:
1133
            case TIFF_SRATIONAL:
1134
            case TIFF_FLOAT:
1135
                return TIFF_SETGET_C32_FLOAT;
1136
            case TIFF_SBYTE:
1137
                return TIFF_SETGET_C32_SINT8;
1138
            case TIFF_SSHORT:
1139
                return TIFF_SETGET_C32_SINT16;
1140
            case TIFF_SLONG:
1141
                return TIFF_SETGET_C32_SINT32;
1142
            case TIFF_DOUBLE:
1143
                return TIFF_SETGET_C32_DOUBLE;
1144
            case TIFF_IFD:
1145
            case TIFF_IFD8:
1146
                return TIFF_SETGET_C32_IFD8;
1147
            case TIFF_LONG8:
1148
                return TIFF_SETGET_C32_UINT64;
1149
            case TIFF_SLONG8:
1150
                return TIFF_SETGET_C32_SINT64;
1151
            default:
1152
                return TIFF_SETGET_UNDEFINED;
1153
        }
1154
    }
1155

1156
    return TIFF_SETGET_UNDEFINED;
1157
}
1158

1159
int TIFFMergeFieldInfo(TIFF *tif, const TIFFFieldInfo info[], uint32_t n)
1160
{
1161
    static const char module[] = "TIFFMergeFieldInfo";
1162
    static const char reason[] = "for fields array";
1163
    TIFFField *tp;
1164
    size_t nfields;
1165
    uint32_t i;
1166

1167
    if (tif->tif_nfieldscompat > 0)
1168
    {
1169
        tif->tif_fieldscompat = (TIFFFieldArray *)_TIFFCheckRealloc(
1170
            tif, tif->tif_fieldscompat, tif->tif_nfieldscompat + 1,
1171
            sizeof(TIFFFieldArray), reason);
1172
    }
1173
    else
1174
    {
1175
        tif->tif_fieldscompat = (TIFFFieldArray *)_TIFFCheckMalloc(
1176
            tif, 1, sizeof(TIFFFieldArray), reason);
1177
    }
1178
    if (!tif->tif_fieldscompat)
1179
    {
1180
        TIFFErrorExtR(tif, module, "Failed to allocate fields array");
1181
        return -1;
1182
    }
1183
    nfields = tif->tif_nfieldscompat++;
1184

1185
    tif->tif_fieldscompat[nfields].type = tfiatOther;
1186
    tif->tif_fieldscompat[nfields].allocated_size = n;
1187
    tif->tif_fieldscompat[nfields].count = n;
1188
    tif->tif_fieldscompat[nfields].fields =
1189
        (TIFFField *)_TIFFCheckMalloc(tif, n, sizeof(TIFFField), reason);
1190
    if (!tif->tif_fieldscompat[nfields].fields)
1191
    {
1192
        TIFFErrorExtR(tif, module, "Failed to allocate fields array");
1193
        return -1;
1194
    }
1195

1196
    tp = tif->tif_fieldscompat[nfields].fields;
1197
    for (i = 0; i < n; i++)
1198
    {
1199
        tp->field_tag = info[i].field_tag;
1200
        if (info[i].field_readcount < TIFF_VARIABLE2 ||
1201
            info[i].field_readcount == 0 ||
1202
            info[i].field_writecount < TIFF_VARIABLE2 ||
1203
            info[i].field_writecount == 0)
1204
        {
1205
            /* The fields (field_readcount) and (field_writecount) may use the
1206
             * values TIFF_VARIABLE (-1), TIFF_SPP (-2), TIFF_VARIABLE2 (-3). */
1207
            TIFFErrorExtR(tif, module,
1208
                          "The value of field_readcount and field_writecount "
1209
                          "must be greater than or equal to -3 and not zero.");
1210
            return -1;
1211
        }
1212
        tp->field_readcount = info[i].field_readcount;
1213
        tp->field_writecount = info[i].field_writecount;
1214
        tp->field_type = info[i].field_type;
1215
        tp->field_anonymous = 0;
1216
        tp->set_field_type =
1217
            _TIFFSetGetType(info[i].field_type, info[i].field_writecount,
1218
                            info[i].field_passcount);
1219
        tp->get_field_type =
1220
            _TIFFSetGetType(info[i].field_type, info[i].field_readcount,
1221
                            info[i].field_passcount);
1222
        tp->field_bit = info[i].field_bit;
1223
        tp->field_oktochange = info[i].field_oktochange;
1224
        tp->field_passcount = info[i].field_passcount;
1225
        if (info[i].field_name == NULL)
1226
        {
1227
            TIFFErrorExtR(tif, module,
1228
                          "Field_name of %d.th allocation tag %d is NULL", i,
1229
                          info[i].field_tag);
1230
            return -1;
1231
        }
1232
        tp->field_name = info[i].field_name;
1233
        tp->field_subfields = NULL;
1234
        tp++;
1235
    }
1236

1237
    if (!_TIFFMergeFields(tif, tif->tif_fieldscompat[nfields].fields, n))
1238
    {
1239
        TIFFErrorExtR(tif, module, "Setting up field info failed");
1240
        return -1;
1241
    }
1242

1243
    return 0;
1244
}
1245

1246
int _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
1247
{
1248
    /* Filter out non-codec specific tags */
1249
    switch (tag)
1250
    {
1251
        /* Shared tags */
1252
        case TIFFTAG_PREDICTOR:
1253
        /* JPEG tags */
1254
        case TIFFTAG_JPEGTABLES:
1255
        /* OJPEG tags */
1256
        case TIFFTAG_JPEGIFOFFSET:
1257
        case TIFFTAG_JPEGIFBYTECOUNT:
1258
        case TIFFTAG_JPEGQTABLES:
1259
        case TIFFTAG_JPEGDCTABLES:
1260
        case TIFFTAG_JPEGACTABLES:
1261
        case TIFFTAG_JPEGPROC:
1262
        case TIFFTAG_JPEGRESTARTINTERVAL:
1263
        /* CCITT* */
1264
        case TIFFTAG_BADFAXLINES:
1265
        case TIFFTAG_CLEANFAXDATA:
1266
        case TIFFTAG_CONSECUTIVEBADFAXLINES:
1267
        case TIFFTAG_GROUP3OPTIONS:
1268
        case TIFFTAG_GROUP4OPTIONS:
1269
        /* LERC */
1270
        case TIFFTAG_LERC_PARAMETERS:
1271
            break;
1272
        default:
1273
            return 1;
1274
    }
1275
    if (!TIFFIsCODECConfigured(tif->tif_dir.td_compression))
1276
    {
1277
        return 0;
1278
    }
1279
    /* Check if codec specific tags are allowed for the current
1280
     * compression scheme (codec) */
1281
    switch (tif->tif_dir.td_compression)
1282
    {
1283
        case COMPRESSION_LZW:
1284
            if (tag == TIFFTAG_PREDICTOR)
1285
                return 1;
1286
            break;
1287
        case COMPRESSION_PACKBITS:
1288
            /* No codec-specific tags */
1289
            break;
1290
        case COMPRESSION_THUNDERSCAN:
1291
            /* No codec-specific tags */
1292
            break;
1293
        case COMPRESSION_NEXT:
1294
            /* No codec-specific tags */
1295
            break;
1296
        case COMPRESSION_JPEG:
1297
            if (tag == TIFFTAG_JPEGTABLES)
1298
                return 1;
1299
            break;
1300
        case COMPRESSION_OJPEG:
1301
            switch (tag)
1302
            {
1303
                case TIFFTAG_JPEGIFOFFSET:
1304
                case TIFFTAG_JPEGIFBYTECOUNT:
1305
                case TIFFTAG_JPEGQTABLES:
1306
                case TIFFTAG_JPEGDCTABLES:
1307
                case TIFFTAG_JPEGACTABLES:
1308
                case TIFFTAG_JPEGPROC:
1309
                case TIFFTAG_JPEGRESTARTINTERVAL:
1310
                    return 1;
1311
            }
1312
            break;
1313
        case COMPRESSION_CCITTRLE:
1314
        case COMPRESSION_CCITTRLEW:
1315
        case COMPRESSION_CCITTFAX3:
1316
        case COMPRESSION_CCITTFAX4:
1317
            switch (tag)
1318
            {
1319
                case TIFFTAG_BADFAXLINES:
1320
                case TIFFTAG_CLEANFAXDATA:
1321
                case TIFFTAG_CONSECUTIVEBADFAXLINES:
1322
                    return 1;
1323
                case TIFFTAG_GROUP3OPTIONS:
1324
                    if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX3)
1325
                        return 1;
1326
                    break;
1327
                case TIFFTAG_GROUP4OPTIONS:
1328
                    if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX4)
1329
                        return 1;
1330
                    break;
1331
            }
1332
            break;
1333
        case COMPRESSION_JBIG:
1334
            /* No codec-specific tags */
1335
            break;
1336
        case COMPRESSION_DEFLATE:
1337
        case COMPRESSION_ADOBE_DEFLATE:
1338
            if (tag == TIFFTAG_PREDICTOR)
1339
                return 1;
1340
            break;
1341
        case COMPRESSION_PIXARLOG:
1342
            if (tag == TIFFTAG_PREDICTOR)
1343
                return 1;
1344
            break;
1345
        case COMPRESSION_SGILOG:
1346
        case COMPRESSION_SGILOG24:
1347
            /* No codec-specific tags */
1348
            break;
1349
        case COMPRESSION_LZMA:
1350
            if (tag == TIFFTAG_PREDICTOR)
1351
                return 1;
1352
            break;
1353
        case COMPRESSION_ZSTD:
1354
            if (tag == TIFFTAG_PREDICTOR)
1355
                return 1;
1356
            break;
1357
        case COMPRESSION_LERC:
1358
            if (tag == TIFFTAG_LERC_PARAMETERS)
1359
                return 1;
1360
            break;
1361
    }
1362
    return 0;
1363
}
1364

1365
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