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opencv/3rdparty/libtiff/tif_dirinfo.c

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/*
* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* TIFF Library.
*
* Core Directory Tag Support.
*/
#include "tiffiop.h"
#include <stdlib.h>
/*
* NOTE: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG.
*
* NOTE: The second field (field_readcount) and third field (field_writecount)
* sometimes use the values TIFF_VARIABLE (-1), TIFF_VARIABLE2 (-3)
* and TIFF_SPP (-2). The macros should be used but would throw off
* the formatting of the code, so please interpret the -1, -2 and -3
* values accordingly.
*/
/* const object should be initialized */
#ifdef _MSC_VER
#pragma warning( push )
#pragma warning( disable : 4132 )
#endif
static const TIFFFieldArray tiffFieldArray;
static const TIFFFieldArray exifFieldArray;
static const TIFFFieldArray gpsFieldArray;
#ifdef _MSC_VER
#pragma warning( pop )
#endif
/*--: Rational2Double: --
* The Rational2Double upgraded libtiff functionality allows the definition and achievement of true double-precision accuracy
* for TIFF tags of RATIONAL type and field_bit=FIELD_CUSTOM using the set_field_type = TIFF_SETGET_DOUBLE.
* Unfortunately, that changes the old implemented interface for TIFFGetField().
* In order to keep the old TIFFGetField() interface behavior those tags have to be redefined with set_field_type = TIFF_SETGET_FLOAT!
*
* Rational custom arrays are already defined as _Cxx_FLOAT, thus can stay.
*
*/
static const TIFFField
tiffFields[] = {
{ TIFFTAG_SUBFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "SubfileType", NULL },
{ TIFFTAG_OSUBFILETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_SUBFILETYPE, 1, 0, "OldSubfileType", NULL },
{ TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 0, 0, "ImageWidth", NULL },
{ TIFFTAG_IMAGELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDIMENSIONS, 1, 0, "ImageLength", NULL },
{ TIFFTAG_BITSPERSAMPLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_BITSPERSAMPLE, 0, 0, "BitsPerSample", NULL },
{ TIFFTAG_COMPRESSION, -1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_COMPRESSION, 0, 0, "Compression", NULL },
{ TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PHOTOMETRIC, 0, 0, "PhotometricInterpretation", NULL },
{ TIFFTAG_THRESHHOLDING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_THRESHHOLDING, 1, 0, "Threshholding", NULL },
{ TIFFTAG_CELLWIDTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "CellWidth", NULL },
{ TIFFTAG_CELLLENGTH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "CellLength", NULL },
{ TIFFTAG_FILLORDER, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_FILLORDER, 0, 0, "FillOrder", NULL },
{ TIFFTAG_DOCUMENTNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DocumentName", NULL },
{ TIFFTAG_IMAGEDESCRIPTION, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageDescription", NULL },
{ TIFFTAG_MAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Make", NULL },
{ TIFFTAG_MODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Model", NULL },
{ TIFFTAG_STRIPOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "StripOffsets", NULL },
{ TIFFTAG_ORIENTATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_ORIENTATION, 0, 0, "Orientation", NULL },
{ TIFFTAG_SAMPLESPERPIXEL, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLESPERPIXEL, 0, 0, "SamplesPerPixel", NULL },
{ TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_ROWSPERSTRIP, 0, 0, "RowsPerStrip", NULL },
{ TIFFTAG_STRIPBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "StripByteCounts", NULL },
{ TIFFTAG_MINSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MINSAMPLEVALUE, 1, 0, "MinSampleValue", NULL },
{ TIFFTAG_MAXSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MAXSAMPLEVALUE, 1, 0, "MaxSampleValue", NULL },
{ TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "XResolution", NULL },
{ TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "YResolution", NULL },
{ TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PLANARCONFIG, 0, 0, "PlanarConfiguration", NULL },
{ TIFFTAG_PAGENAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PageName", NULL },
{ TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "XPosition", NULL },
{ TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "YPosition", NULL },
{ TIFFTAG_FREEOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeOffsets", NULL },
{ TIFFTAG_FREEBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeByteCounts", NULL },
{ TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseUnit", NULL },
{ TIFFTAG_GRAYRESPONSECURVE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseCurve", NULL },
{ TIFFTAG_RESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTIONUNIT, 1, 0, "ResolutionUnit", NULL },
{ TIFFTAG_PAGENUMBER, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_PAGENUMBER, 1, 0, "PageNumber", NULL },
{ TIFFTAG_COLORRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "ColorResponseUnit", NULL },
{ TIFFTAG_TRANSFERFUNCTION, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_TRANSFERFUNCTION, 1, 0, "TransferFunction", NULL },
{ TIFFTAG_SOFTWARE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Software", NULL },
{ TIFFTAG_DATETIME, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTime", NULL },
{ TIFFTAG_ARTIST, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Artist", NULL },
{ TIFFTAG_HOSTCOMPUTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "HostComputer", NULL },
{ TIFFTAG_WHITEPOINT, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhitePoint", NULL },
{ TIFFTAG_PRIMARYCHROMATICITIES, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PrimaryChromaticities", NULL },
{ TIFFTAG_COLORMAP, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_COLORMAP, 1, 0, "ColorMap", NULL },
{ TIFFTAG_HALFTONEHINTS, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_HALFTONEHINTS, 1, 0, "HalftoneHints", NULL },
{ TIFFTAG_TILEWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileWidth", NULL },
{ TIFFTAG_TILELENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDIMENSIONS, 0, 0, "TileLength", NULL },
{ TIFFTAG_TILEOFFSETS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPOFFSETS, 0, 0, "TileOffsets", NULL },
{ TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "TileByteCounts", NULL },
{ TIFFTAG_SUBIFD, -1, -1, TIFF_IFD8, 0, TIFF_SETGET_C16_IFD8, TIFF_SETGET_UNDEFINED, FIELD_SUBIFD, 1, 1, "SubIFD", (TIFFFieldArray*) &tiffFieldArray },
{ TIFFTAG_INKSET, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InkSet", NULL },
{ TIFFTAG_INKNAMES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_C16_ASCII, TIFF_SETGET_UNDEFINED, FIELD_INKNAMES, 1, 1, "InkNames", NULL },
{ TIFFTAG_NUMBEROFINKS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "NumberOfInks", NULL },
{ TIFFTAG_DOTRANGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DotRange", NULL },
{ TIFFTAG_TARGETPRINTER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TargetPrinter", NULL },
{ TIFFTAG_EXTRASAMPLES, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 1, "ExtraSamples", NULL },
{ TIFFTAG_SAMPLEFORMAT, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "SampleFormat", NULL },
{ TIFFTAG_SMINSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMINSAMPLEVALUE, 1, 0, "SMinSampleValue", NULL },
{ TIFFTAG_SMAXSAMPLEVALUE, -2, -1, TIFF_ANY, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_SMAXSAMPLEVALUE, 1, 0, "SMaxSampleValue", NULL },
{ TIFFTAG_CLIPPATH, -1, -3, TIFF_BYTE, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ClipPath", NULL },
{ TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_SLONG, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL },
{ TIFFTAG_XCLIPPATHUNITS, 1, 1, TIFF_SBYTE, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "XClipPathUnits", NULL },
{ TIFFTAG_YCLIPPATHUNITS, 1, 1, TIFF_SLONG, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YClipPathUnits", NULL },
{ TIFFTAG_YCBCRCOEFFICIENTS, 3, 3, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "YCbCrCoefficients", NULL },
{ TIFFTAG_YCBCRSUBSAMPLING, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_UINT16_PAIR, TIFF_SETGET_UNDEFINED, FIELD_YCBCRSUBSAMPLING, 0, 0, "YCbCrSubsampling", NULL },
{ TIFFTAG_YCBCRPOSITIONING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_YCBCRPOSITIONING, 0, 0, "YCbCrPositioning", NULL },
{ TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_REFBLACKWHITE, 1, 0, "ReferenceBlackWhite", NULL },
{ TIFFTAG_XMLPACKET, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "XMLPacket", NULL },
/* begin SGI tags */
{ TIFFTAG_MATTEING, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_EXTRASAMPLES, 0, 0, "Matteing", NULL },
{ TIFFTAG_DATATYPE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_SAMPLEFORMAT, 0, 0, "DataType", NULL },
{ TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_IMAGEDEPTH, 0, 0, "ImageDepth", NULL },
{ TIFFTAG_TILEDEPTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_TILEDEPTH, 0, 0, "TileDepth", NULL },
/* end SGI tags */
/* begin Pixar tags */
{ TIFFTAG_PIXAR_IMAGEFULLWIDTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullWidth", NULL },
{ TIFFTAG_PIXAR_IMAGEFULLLENGTH, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageFullLength", NULL },
{ TIFFTAG_PIXAR_TEXTUREFORMAT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureFormat", NULL },
{ TIFFTAG_PIXAR_WRAPMODES, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "TextureWrapModes", NULL },
{ TIFFTAG_PIXAR_FOVCOT, 1, 1, TIFF_FLOAT, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FieldOfViewCotangent", NULL },
{ TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToScreen", NULL },
{ TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToCamera", NULL },
{ TIFFTAG_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CFARepeatPatternDim", NULL },
{ TIFFTAG_CFAPATTERN, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CFAPattern" , NULL},
{ TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL },
/* end Pixar tags */
{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
{ TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Photoshop", NULL },
/*--: EXIFIFD and GPSIFD specified as TIFF_LONG by Aware-Systems and not TIFF_IFD8 as in original LibTiff.
* However, for IFD-like tags, libtiff uses the data type TIFF_IFD8 in tiffFields[]-tag definition combined with
* a special handling procedure in order to write either 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. */
{ TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EXIFIFDOffset", (TIFFFieldArray*) &exifFieldArray },
{ TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ICC Profile", NULL },
{ TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GPSIFDOffset", (TIFFFieldArray*) &gpsFieldArray },
{ TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvParams", NULL },
{ TIFFTAG_FAXSUBADDRESS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxSubAddress", NULL },
{ TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvTime", NULL },
{ TIFFTAG_FAXDCS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxDcs", NULL },
{ TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "StoNits", NULL },
{ TIFFTAG_INTEROPERABILITYIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "InteroperabilityIFDOffset", NULL },
/* begin DNG tags */
{ TIFFTAG_DNGVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGVersion", NULL },
{ TIFFTAG_DNGBACKWARDVERSION, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DNGBackwardVersion", NULL },
{ TIFFTAG_UNIQUECAMERAMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "UniqueCameraModel", NULL },
{ TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "LocalizedCameraModel", NULL },
{ TIFFTAG_CFAPLANECOLOR, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CFAPlaneColor", NULL },
{ TIFFTAG_CFALAYOUT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CFALayout", NULL },
{ TIFFTAG_LINEARIZATIONTABLE, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "LinearizationTable", NULL },
{ TIFFTAG_BLACKLEVELREPEATDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BlackLevelRepeatDim", NULL },
{ TIFFTAG_BLACKLEVEL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevel", NULL },
{ TIFFTAG_BLACKLEVELDELTAH, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaH", NULL },
{ TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaV", NULL },
{ TIFFTAG_WHITELEVEL, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "WhiteLevel", NULL },
{ TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultScale", NULL },
{ TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BestQualityScale", NULL },
{ TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropOrigin", NULL },
{ TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropSize", NULL },
{ TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix1", NULL },
{ TIFFTAG_COLORMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix2", NULL },
{ TIFFTAG_CAMERACALIBRATION1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration1", NULL },
{ TIFFTAG_CAMERACALIBRATION2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CameraCalibration2", NULL },
{ TIFFTAG_REDUCTIONMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix1", NULL },
{ TIFFTAG_REDUCTIONMATRIX2, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ReductionMatrix2", NULL },
{ TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AnalogBalance", NULL },
{ TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotNeutral", NULL },
{ TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AsShotWhiteXY", NULL },
{ TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineExposure", NULL },
{ TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineNoise", NULL },
{ TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineSharpness", NULL },
{ TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BayerGreenSplit", NULL },
{ TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LinearResponseLimit", NULL },
{ TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraSerialNumber", NULL },
{ TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LensInfo", NULL },
{ TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ChromaBlurRadius", NULL },
{ TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AntiAliasStrength", NULL },
{ TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ShadowScale", NULL },
{ TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "DNGPrivateData", NULL },
{ TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "MakerNoteSafety", NULL },
{ TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant1", NULL },
{ TIFFTAG_CALIBRATIONILLUMINANT2, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant2", NULL },
{ TIFFTAG_RAWDATAUNIQUEID, 16, 16, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "RawDataUniqueID", NULL },
{ TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OriginalRawFileName", NULL },
{ TIFFTAG_ORIGINALRAWFILEDATA, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "OriginalRawFileData", NULL },
{ TIFFTAG_ACTIVEAREA, 4, 4, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ActiveArea", NULL },
{ TIFFTAG_MASKEDAREAS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "MaskedAreas", NULL },
{ TIFFTAG_ASSHOTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotICCProfile", NULL },
{ TIFFTAG_ASSHOTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotPreProfileMatrix", NULL },
{ TIFFTAG_CURRENTICCPROFILE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentICCProfile", NULL },
{ TIFFTAG_CURRENTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CurrentPreProfileMatrix", NULL },
{ TIFFTAG_PERSAMPLE, 0, 0, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, TRUE, FALSE, "PerSample", NULL},
/* end DNG tags */
/* begin TIFF/FX tags */
{ TIFFTAG_INDEXED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "Indexed", NULL },
{ TIFFTAG_GLOBALPARAMETERSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "GlobalParametersIFD", NULL },
{ TIFFTAG_PROFILETYPE, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ProfileType", NULL },
{ TIFFTAG_FAXPROFILE, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "FaxProfile", NULL },
{ TIFFTAG_CODINGMETHODS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CodingMethods", NULL },
{ TIFFTAG_VERSIONYEAR, 4, 4, TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "VersionYear", NULL },
{ TIFFTAG_MODENUMBER, 1, 1, TIFF_BYTE, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ModeNumber", NULL },
{ TIFFTAG_DECODE, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Decode", NULL },
{ TIFFTAG_IMAGEBASECOLOR, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ImageBaseColor", NULL },
{ TIFFTAG_T82OPTIONS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "T82Options", NULL },
{ TIFFTAG_STRIPROWCOUNTS, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "StripRowCounts", NULL },
{ TIFFTAG_IMAGELAYER, 2, 2, TIFF_LONG, 0, TIFF_SETGET_C0_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ImageLayer", NULL },
/* end TIFF/FX tags */
/* begin pseudo tags */
};
/*
* EXIF tags (Version 2.31, July 2016 plus version 2.32 May 2019)
*/
static const TIFFField
exifFields[] = {
{ EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL },
{ EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL },
{ EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureProgram", NULL },
{ EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpectralSensitivity", NULL },
{ EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ISOSpeedRatings", NULL },
{ EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OptoelectricConversionFactor", NULL },
{ EXIFTAG_SENSITIVITYTYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensitivityType", NULL },
{ EXIFTAG_STANDARDOUTPUTSENSITIVITY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "StandardOutputSensitivity", NULL },
{ EXIFTAG_RECOMMENDEDEXPOSUREINDEX, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RecommendedExposureIndex", NULL },
{ EXIFTAG_ISOSPEED, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeed", NULL },
{ EXIFTAG_ISOSPEEDLATITUDEYYY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudeyyy", NULL },
{ EXIFTAG_ISOSPEEDLATITUDEZZZ, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudezzz", NULL },
{ EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExifVersion", NULL },
{ EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeOriginal", NULL },
{ EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeDigitized", NULL },
{ EXIFTAG_OFFSETTIME, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTime", NULL },
{ EXIFTAG_OFFSETTIMEORIGINAL, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeOriginal", NULL },
{ EXIFTAG_OFFSETTIMEDIGITIZED, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeDigitized", NULL },
{ EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ComponentsConfiguration", NULL },
{ EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL },
{ EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL },
{ EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL },
{ EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL },
{ EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL },
{ EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL },
/*--: EXIFTAG_SUBJECTDISTANCE: LibTiff returns value of "-1" if numerator equals 4294967295 (0xFFFFFFFF) to indicate infinite distance!
* However, there are two other EXIF tags where numerator indicates a special value and six other cases where the denominator indicates special values,
* which are not treated within LibTiff!! */
{ EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL },
{ EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeteringMode", NULL },
{ EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LightSource", NULL },
{ EXIFTAG_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Flash", NULL },
{ EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL },
{ EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SubjectArea", NULL },
{ EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MakerNote", NULL },
{ EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "UserComment", NULL },
{ EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTime", NULL },
{ EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeOriginal", NULL },
{ EXIFTAG_SUBSECTIMEDIGITIZED, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeDigitized", NULL },
{ EXIFTAG_TEMPERATURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Temperature", NULL },
{ EXIFTAG_HUMIDITY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Humidity", NULL },
{ EXIFTAG_PRESSURE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Pressure", NULL },
{ EXIFTAG_WATERDEPTH, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WaterDepth", NULL },
{ EXIFTAG_ACCELERATION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Acceleration", NULL },
{ EXIFTAG_CAMERAELEVATIONANGLE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraElevationAngle", NULL },
{ EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashpixVersion", NULL },
{ EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorSpace", NULL },
{ EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelXDimension", NULL },
{ EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelYDimension", NULL },
{ EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RelatedSoundFile", NULL },
{ EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL },
{ EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SpatialFrequencyResponse", NULL },
{ EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL },
{ EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL },
{ EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneResolutionUnit", NULL },
{ EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectLocation", NULL },
{ EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL },
{ EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensingMethod", NULL },
{ EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FileSource", NULL },
{ EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneType", NULL },
{ EXIFTAG_CFAPATTERN, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "CFAPattern", NULL },
{ EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CustomRendered", NULL },
{ EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureMode", NULL },
{ EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhiteBalance", NULL },
{ EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL },
{ EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLengthIn35mmFilm", NULL },
{ EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneCaptureType", NULL },
{ EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL },
{ EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Contrast", NULL },
{ EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Saturation", NULL },
{ EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Sharpness", NULL },
{ EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DeviceSettingDescription", NULL },
{ EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistanceRange", NULL },
{ EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL },
{ EXIFTAG_CAMERAOWNERNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraOwnerName", NULL },
{ EXIFTAG_BODYSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BodySerialNumber", NULL },
{ EXIFTAG_LENSSPECIFICATION, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSpecification", NULL },
{ EXIFTAG_LENSMAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensMake", NULL },
{ EXIFTAG_LENSMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensModel", NULL },
{ EXIFTAG_LENSSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSerialNumber", NULL },
{ EXIFTAG_GAMMA, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Gamma", NULL },
{ EXIFTAG_COMPOSITEIMAGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompositeImage", NULL },
{ EXIFTAG_SOURCEIMAGENUMBEROFCOMPOSITEIMAGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SourceImageNumberOfCompositeImage", NULL },
{ EXIFTAG_SOURCEEXPOSURETIMESOFCOMPOSITEIMAGE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SourceExposureTimesOfCompositeImage", NULL }
};
/*
* EXIF-GPS tags (Version 2.31, July 2016; nothing changed for version 2.32 May 2019)
*/
static TIFFField
gpsFields[] = {
/* For the GPS tag definitions in gpsFields[] the standard definition for Rationals is TIFF_SETGET_DOUBLE and TIFF_SETGET_C0_FLOAT.
*-- ATTENTION: After the upgrade with Rational2Double, the GPSTAG values can now be written and also read in double precision!
* In order to achieve double precision for GPS tags:
* Standard definitions for GPSTAG is kept to TIFF_SETGET_DOUBLE
* and TIFF_SETGET_C0_FLOAT is changed to TIFF_SETGET_C0_DOUBLE.
*/
{ GPSTAG_VERSIONID , 4, 4, TIFF_BYTE , 0, TIFF_SETGET_C0_UINT8 , TIFF_SETGET_UINT8 , FIELD_CUSTOM , 1, 0, "VersionID", NULL },
{ GPSTAG_LATITUDEREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "LatitudeRef", NULL },
{ GPSTAG_LATITUDE , 3, 3, TIFF_RATIONAL , 0, TIFF_SETGET_C0_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Latitude", NULL },
{ GPSTAG_LONGITUDEREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "LongitudeRef", NULL },
{ GPSTAG_LONGITUDE , 3, 3, TIFF_RATIONAL , 0, TIFF_SETGET_C0_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Longitude", NULL },
{ GPSTAG_ALTITUDEREF , 1, 1, TIFF_BYTE , 0, TIFF_SETGET_UINT8 , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "AltitudeRef", NULL },
{ GPSTAG_ALTITUDE , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Altitude", NULL },
{ GPSTAG_TIMESTAMP , 3, 3, TIFF_RATIONAL , 0, TIFF_SETGET_C0_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "TimeStamp", NULL },
{ GPSTAG_SATELLITES , -1, -1, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Satellites", NULL },
{ GPSTAG_STATUS , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Status", NULL },
{ GPSTAG_MEASUREMODE , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "MeasureMode", NULL },
{ GPSTAG_DOP , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DOP", NULL },
{ GPSTAG_SPEEDREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "SpeedRef", NULL },
{ GPSTAG_SPEED , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Speed", NULL },
{ GPSTAG_TRACKREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "TrackRef", NULL },
{ GPSTAG_TRACK , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Track", NULL },
{ GPSTAG_IMGDIRECTIONREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "ImgDirectionRef", NULL },
{ GPSTAG_IMGDIRECTION , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "ImgDirection", NULL },
{ GPSTAG_MAPDATUM , -1, -1, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "MapDatum", NULL },
{ GPSTAG_DESTLATITUDEREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestLatitudeRef", NULL },
{ GPSTAG_DESTLATITUDE , 3, 3, TIFF_RATIONAL , 0, TIFF_SETGET_C0_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestLatitude", NULL },
{ GPSTAG_DESTLONGITUDEREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestLongitudeRef", NULL },
{ GPSTAG_DESTLONGITUDE , 3, 3, TIFF_RATIONAL , 0, TIFF_SETGET_C0_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestLongitude", NULL },
{ GPSTAG_DESTBEARINGREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestBearingRef", NULL },
{ GPSTAG_DESTBEARING , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestBearing", NULL },
{ GPSTAG_DESTDISTANCEREF , 2, 2, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestDistanceRef", NULL },
{ GPSTAG_DESTDISTANCE , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DestDistance", NULL },
{ GPSTAG_PROCESSINGMETHOD , -1, -1, TIFF_UNDEFINED , 0, TIFF_SETGET_C16_UINT8 , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 1, "ProcessingMethod", NULL },
{ GPSTAG_AREAINFORMATION , -1, -1, TIFF_UNDEFINED , 0, TIFF_SETGET_C16_UINT8 , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 1, "AreaInformation", NULL },
{ GPSTAG_DATESTAMP , 11, 11, TIFF_ASCII , 0, TIFF_SETGET_ASCII , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "DateStamp", NULL },
{ GPSTAG_DIFFERENTIAL , 1, 1, TIFF_SHORT , 0, TIFF_SETGET_UINT16 , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "Differential", NULL },
{ GPSTAG_GPSHPOSITIONINGERROR , 1, 1, TIFF_RATIONAL , 0, TIFF_SETGET_DOUBLE , TIFF_SETGET_UNDEFINED , FIELD_CUSTOM , 1, 0, "HorizontalPositioningError", NULL }
};
static const TIFFFieldArray
tiffFieldArray = { tfiatImage, 0, TIFFArrayCount(tiffFields), (TIFFField*) tiffFields };
static const TIFFFieldArray
exifFieldArray = { tfiatExif, 0, TIFFArrayCount(exifFields), (TIFFField*) exifFields };
static const TIFFFieldArray
gpsFieldArray = { tfiatGps, 0, TIFFArrayCount(gpsFields), (TIFFField*) gpsFields };
/*
* We have our own local lfind() equivalent to avoid subtle differences
* in types passed to lfind() on different systems.
*/
static void *
td_lfind(const void *key, const void *base, size_t *nmemb, size_t size,
int(*compar)(const void *, const void *))
{
char *element, *end;
end = (char *)base + *nmemb * size;
for (element = (char *)base; element < end; element += size)
if (!compar(key, element)) /* key found */
return element;
return NULL;
}
const TIFFFieldArray*
_TIFFGetFields(void)
{
return(&tiffFieldArray);
}
const TIFFFieldArray*
_TIFFGetExifFields(void)
{
return(&exifFieldArray);
}
const TIFFFieldArray*
_TIFFGetGpsFields(void)
{
return(&gpsFieldArray);
}
void
_TIFFSetupFields(TIFF* tif, const TIFFFieldArray* fieldarray)
{
if (tif->tif_fields && tif->tif_nfields > 0) {
uint32 i;
for (i = 0; i < tif->tif_nfields; i++) {
TIFFField *fld = tif->tif_fields[i];
if (fld->field_bit == FIELD_CUSTOM &&
strncmp("Tag ", fld->field_name, 4) == 0) {
_TIFFfree(fld->field_name);
_TIFFfree(fld);
}
}
_TIFFfree(tif->tif_fields);
tif->tif_fields = NULL;
tif->tif_nfields = 0;
}
if (!_TIFFMergeFields(tif, fieldarray->fields, fieldarray->count)) {
TIFFErrorExt(tif->tif_clientdata, "_TIFFSetupFields",
"Setting up field info failed");
}
}
static int
tagCompare(const void* a, const void* b)
{
const TIFFField* ta = *(const TIFFField**) a;
const TIFFField* tb = *(const TIFFField**) b;
/* NB: be careful of return values for 16-bit platforms */
if (ta->field_tag != tb->field_tag)
return (int)ta->field_tag - (int)tb->field_tag;
else
return (ta->field_type == TIFF_ANY) ?
0 : ((int)tb->field_type - (int)ta->field_type);
}
static int
tagNameCompare(const void* a, const void* b)
{
const TIFFField* ta = *(const TIFFField**) a;
const TIFFField* tb = *(const TIFFField**) b;
int ret = strcmp(ta->field_name, tb->field_name);
if (ret)
return ret;
else
return (ta->field_type == TIFF_ANY) ?
0 : ((int)tb->field_type - (int)ta->field_type);
}
int
_TIFFMergeFields(TIFF* tif, const TIFFField info[], uint32 n)
{
static const char module[] = "_TIFFMergeFields";
static const char reason[] = "for fields array";
/* TIFFField** tp; */
uint32 i;
tif->tif_foundfield = NULL;
if (tif->tif_fields && tif->tif_nfields > 0) {
tif->tif_fields = (TIFFField**)
_TIFFCheckRealloc(tif, tif->tif_fields,
(tif->tif_nfields + n),
sizeof(TIFFField *), reason);
} else {
tif->tif_fields = (TIFFField **)
_TIFFCheckMalloc(tif, n, sizeof(TIFFField *),
reason);
}
if (!tif->tif_fields) {
TIFFErrorExt(tif->tif_clientdata, module,
"Failed to allocate fields array");
return 0;
}
/* tp = tif->tif_fields + tif->tif_nfields; */
for (i = 0; i < n; i++) {
const TIFFField *fip =
TIFFFindField(tif, info[i].field_tag, TIFF_ANY);
/* only add definitions that aren't already present */
if (!fip) {
tif->tif_fields[tif->tif_nfields] = (TIFFField *) (info+i);
tif->tif_nfields++;
}
}
/* Sort the field info by tag number */
qsort(tif->tif_fields, tif->tif_nfields,
sizeof(TIFFField *), tagCompare);
return n;
}
void
_TIFFPrintFieldInfo(TIFF* tif, FILE* fd)
{
uint32 i;
fprintf(fd, "%s: \n", tif->tif_name);
for (i = 0; i < tif->tif_nfields; i++) {
const TIFFField* fip = tif->tif_fields[i];
fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n"
, (int)i
, (unsigned long) fip->field_tag
, fip->field_readcount, fip->field_writecount
, fip->field_type
, fip->field_bit
, fip->field_oktochange ? "TRUE" : "FALSE"
, fip->field_passcount ? "TRUE" : "FALSE"
, fip->field_name
);
}
}
/*
* Return size of TIFFDataType in bytes
*/
int
TIFFDataWidth(TIFFDataType type)
{
switch(type)
{
case 0: /* nothing */
case TIFF_BYTE:
case TIFF_ASCII:
case TIFF_SBYTE:
case TIFF_UNDEFINED:
return 1;
case TIFF_SHORT:
case TIFF_SSHORT:
return 2;
case TIFF_LONG:
case TIFF_SLONG:
case TIFF_FLOAT:
case TIFF_IFD:
return 4;
case TIFF_RATIONAL:
case TIFF_SRATIONAL:
case TIFF_DOUBLE:
case TIFF_LONG8:
case TIFF_SLONG8:
case TIFF_IFD8:
return 8;
default:
return 0; /* will return 0 for unknown types */
}
}
/*
* Return size of TIFFDataType in bytes.
*
* XXX: We need a separate function to determine the space needed
* to store the value. For TIFF_RATIONAL values TIFFDataWidth() returns 8,
* but we use 4-byte float to represent rationals.
*/
int
_TIFFDataSize(TIFFDataType type)
{
switch (type)
{
case TIFF_BYTE:
case TIFF_SBYTE:
case TIFF_ASCII:
case TIFF_UNDEFINED:
return 1;
case TIFF_SHORT:
case TIFF_SSHORT:
return 2;
case TIFF_LONG:
case TIFF_SLONG:
case TIFF_FLOAT:
case TIFF_IFD:
case TIFF_RATIONAL:
case TIFF_SRATIONAL:
return 4;
case TIFF_DOUBLE:
case TIFF_LONG8:
case TIFF_SLONG8:
case TIFF_IFD8:
return 8;
default:
return 0;
}
}
/*
* Rational2Double:
* Return size of TIFFSetGetFieldType in bytes.
*
* XXX: TIFF_RATIONAL values for FIELD_CUSTOM are stored internally as 4-byte float.
* However, some of them should be stored internally as 8-byte double.
* This is now managed by the SetGetField of the tag-definition!
*/
int
_TIFFSetGetFieldSize(TIFFSetGetFieldType setgettype)
{
switch (setgettype)
{
case TIFF_SETGET_UNDEFINED:
case TIFF_SETGET_ASCII:
case TIFF_SETGET_C0_ASCII:
case TIFF_SETGET_C16_ASCII:
case TIFF_SETGET_C32_ASCII:
case TIFF_SETGET_OTHER:
return 0;
case TIFF_SETGET_UINT8:
case TIFF_SETGET_SINT8:
case TIFF_SETGET_C0_UINT8:
case TIFF_SETGET_C0_SINT8:
case TIFF_SETGET_C16_UINT8:
case TIFF_SETGET_C16_SINT8:
case TIFF_SETGET_C32_UINT8:
case TIFF_SETGET_C32_SINT8:
return 1;
case TIFF_SETGET_UINT16:
case TIFF_SETGET_SINT16:
case TIFF_SETGET_C0_UINT16:
case TIFF_SETGET_C0_SINT16:
case TIFF_SETGET_C16_UINT16:
case TIFF_SETGET_C16_SINT16:
case TIFF_SETGET_C32_UINT16:
case TIFF_SETGET_C32_SINT16:
return 2;
case TIFF_SETGET_INT:
case TIFF_SETGET_UINT32:
case TIFF_SETGET_SINT32:
case TIFF_SETGET_FLOAT:
case TIFF_SETGET_UINT16_PAIR:
case TIFF_SETGET_C0_UINT32:
case TIFF_SETGET_C0_SINT32:
case TIFF_SETGET_C0_FLOAT:
case TIFF_SETGET_C16_UINT32:
case TIFF_SETGET_C16_SINT32:
case TIFF_SETGET_C16_FLOAT:
case TIFF_SETGET_C32_UINT32:
case TIFF_SETGET_C32_SINT32:
case TIFF_SETGET_C32_FLOAT:
return 4;
case TIFF_SETGET_UINT64:
case TIFF_SETGET_SINT64:
case TIFF_SETGET_DOUBLE:
case TIFF_SETGET_IFD8:
case TIFF_SETGET_C0_UINT64:
case TIFF_SETGET_C0_SINT64:
case TIFF_SETGET_C0_DOUBLE:
case TIFF_SETGET_C0_IFD8:
case TIFF_SETGET_C16_UINT64:
case TIFF_SETGET_C16_SINT64:
case TIFF_SETGET_C16_DOUBLE:
case TIFF_SETGET_C16_IFD8:
case TIFF_SETGET_C32_UINT64:
case TIFF_SETGET_C32_SINT64:
case TIFF_SETGET_C32_DOUBLE:
case TIFF_SETGET_C32_IFD8:
return 8;
default:
return 0;
}
} /*-- _TIFFSetGetFieldSize --- */
const TIFFField*
TIFFFindField(TIFF* tif, uint32 tag, TIFFDataType dt)
{
TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
TIFFField* pkey = &key;
const TIFFField **ret;
if (tif->tif_foundfield && tif->tif_foundfield->field_tag == tag &&
(dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
return tif->tif_foundfield;
/* If we are invoked with no field information, then just return. */
if (!tif->tif_fields)
return NULL;
/* NB: use sorted search (e.g. binary search) */
key.field_tag = tag;
key.field_type = dt;
ret = (const TIFFField **) bsearch(&pkey, tif->tif_fields,
tif->tif_nfields,
sizeof(TIFFField *), tagCompare);
return tif->tif_foundfield = (ret ? *ret : NULL);
}
static const TIFFField*
_TIFFFindFieldByName(TIFF* tif, const char *field_name, TIFFDataType dt)
{
TIFFField key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0, 0, 0, NULL, NULL};
TIFFField* pkey = &key;
const TIFFField **ret;
if (tif->tif_foundfield
&& streq(tif->tif_foundfield->field_name, field_name)
&& (dt == TIFF_ANY || dt == tif->tif_foundfield->field_type))
return (tif->tif_foundfield);
/* If we are invoked with no field information, then just return. */
if (!tif->tif_fields)
return NULL;
/* NB: use linear search since list is sorted by key#, not name */
key.field_name = (char *)field_name;
key.field_type = dt;
ret = (const TIFFField **)
td_lfind(&pkey, tif->tif_fields, &tif->tif_nfields,
sizeof(TIFFField *), tagNameCompare);
return tif->tif_foundfield = (ret ? *ret : NULL);
}
const TIFFField*
TIFFFieldWithTag(TIFF* tif, uint32 tag)
{
const TIFFField* fip = TIFFFindField(tif, tag, TIFF_ANY);
if (!fip) {
TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithTag",
"Internal error, unknown tag 0x%x",
(unsigned int) tag);
}
return (fip);
}
const TIFFField*
TIFFFieldWithName(TIFF* tif, const char *field_name)
{
const TIFFField* fip =
_TIFFFindFieldByName(tif, field_name, TIFF_ANY);
if (!fip) {
TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithName",
"Internal error, unknown tag %s", field_name);
}
return (fip);
}
uint32
TIFFFieldTag(const TIFFField* fip)
{
return fip->field_tag;
}
const char *
TIFFFieldName(const TIFFField* fip)
{
return fip->field_name;
}
TIFFDataType
TIFFFieldDataType(const TIFFField* fip)
{
return fip->field_type;
}
int
TIFFFieldPassCount(const TIFFField* fip)
{
return fip->field_passcount;
}
int
TIFFFieldReadCount(const TIFFField* fip)
{
return fip->field_readcount;
}
int
TIFFFieldWriteCount(const TIFFField* fip)
{
return fip->field_writecount;
}
const TIFFField*
_TIFFFindOrRegisterField(TIFF *tif, uint32 tag, TIFFDataType dt)
{
const TIFFField *fld;
fld = TIFFFindField(tif, tag, dt);
if (fld == NULL) {
fld = _TIFFCreateAnonField(tif, tag, dt);
if (!_TIFFMergeFields(tif, fld, 1))
return NULL;
}
return fld;
}
TIFFField*
_TIFFCreateAnonField(TIFF *tif, uint32 tag, TIFFDataType field_type)
{
TIFFField *fld;
(void) tif;
fld = (TIFFField *) _TIFFmalloc(sizeof (TIFFField));
if (fld == NULL)
return NULL;
_TIFFmemset(fld, 0, sizeof(TIFFField));
fld->field_tag = tag;
fld->field_readcount = TIFF_VARIABLE2;
fld->field_writecount = TIFF_VARIABLE2;
fld->field_type = field_type;
fld->reserved = 0;
switch (field_type)
{
case TIFF_BYTE:
case TIFF_UNDEFINED:
fld->set_field_type = TIFF_SETGET_C32_UINT8;
fld->get_field_type = TIFF_SETGET_C32_UINT8;
break;
case TIFF_ASCII:
fld->set_field_type = TIFF_SETGET_C32_ASCII;
fld->get_field_type = TIFF_SETGET_C32_ASCII;
break;
case TIFF_SHORT:
fld->set_field_type = TIFF_SETGET_C32_UINT16;
fld->get_field_type = TIFF_SETGET_C32_UINT16;
break;
case TIFF_LONG:
fld->set_field_type = TIFF_SETGET_C32_UINT32;
fld->get_field_type = TIFF_SETGET_C32_UINT32;
break;
case TIFF_RATIONAL:
case TIFF_SRATIONAL:
case TIFF_FLOAT:
fld->set_field_type = TIFF_SETGET_C32_FLOAT;
fld->get_field_type = TIFF_SETGET_C32_FLOAT;
break;
case TIFF_SBYTE:
fld->set_field_type = TIFF_SETGET_C32_SINT8;
fld->get_field_type = TIFF_SETGET_C32_SINT8;
break;
case TIFF_SSHORT:
fld->set_field_type = TIFF_SETGET_C32_SINT16;
fld->get_field_type = TIFF_SETGET_C32_SINT16;
break;
case TIFF_SLONG:
fld->set_field_type = TIFF_SETGET_C32_SINT32;
fld->get_field_type = TIFF_SETGET_C32_SINT32;
break;
case TIFF_DOUBLE:
fld->set_field_type = TIFF_SETGET_C32_DOUBLE;
fld->get_field_type = TIFF_SETGET_C32_DOUBLE;
break;
case TIFF_IFD:
case TIFF_IFD8:
fld->set_field_type = TIFF_SETGET_C32_IFD8;
fld->get_field_type = TIFF_SETGET_C32_IFD8;
break;
case TIFF_LONG8:
fld->set_field_type = TIFF_SETGET_C32_UINT64;
fld->get_field_type = TIFF_SETGET_C32_UINT64;
break;
case TIFF_SLONG8:
fld->set_field_type = TIFF_SETGET_C32_SINT64;
fld->get_field_type = TIFF_SETGET_C32_SINT64;
break;
default:
fld->set_field_type = TIFF_SETGET_UNDEFINED;
fld->get_field_type = TIFF_SETGET_UNDEFINED;
break;
}
fld->field_bit = FIELD_CUSTOM;
fld->field_oktochange = TRUE;
fld->field_passcount = TRUE;
fld->field_name = (char *) _TIFFmalloc(32);
if (fld->field_name == NULL) {
_TIFFfree(fld);
return NULL;
}
fld->field_subfields = NULL;
/*
* note that this name is a special sign to TIFFClose() and
* _TIFFSetupFields() to free the field
*/
(void) snprintf(fld->field_name, 32, "Tag %d", (int) tag);
return fld;
}
/****************************************************************************
* O B S O L E T E D I N T E R F A C E S
*
* Don't use this stuff in your applications, it may be removed in the future
* libtiff versions.
****************************************************************************/
static TIFFSetGetFieldType
_TIFFSetGetType(TIFFDataType type, short count, unsigned char passcount)
{
if (type == TIFF_ASCII && count == TIFF_VARIABLE && passcount == 0)
return TIFF_SETGET_ASCII;
else if (count == 1 && passcount == 0) {
switch (type)
{
case TIFF_BYTE:
case TIFF_UNDEFINED:
return TIFF_SETGET_UINT8;
case TIFF_ASCII:
return TIFF_SETGET_ASCII;
case TIFF_SHORT:
return TIFF_SETGET_UINT16;
case TIFF_LONG:
return TIFF_SETGET_UINT32;
case TIFF_RATIONAL:
case TIFF_SRATIONAL:
case TIFF_FLOAT:
return TIFF_SETGET_FLOAT;
case TIFF_SBYTE:
return TIFF_SETGET_SINT8;
case TIFF_SSHORT:
return TIFF_SETGET_SINT16;
case TIFF_SLONG:
return TIFF_SETGET_SINT32;
case TIFF_DOUBLE:
return TIFF_SETGET_DOUBLE;
case TIFF_IFD:
case TIFF_IFD8:
return TIFF_SETGET_IFD8;
case TIFF_LONG8:
return TIFF_SETGET_UINT64;
case TIFF_SLONG8:
return TIFF_SETGET_SINT64;
default:
return TIFF_SETGET_UNDEFINED;
}
}
else if (count >= 1 && passcount == 0) {
switch (type)
{
case TIFF_BYTE:
case TIFF_UNDEFINED:
return TIFF_SETGET_C0_UINT8;
case TIFF_ASCII:
return TIFF_SETGET_C0_ASCII;
case TIFF_SHORT:
return TIFF_SETGET_C0_UINT16;
case TIFF_LONG:
return TIFF_SETGET_C0_UINT32;
case TIFF_RATIONAL:
case TIFF_SRATIONAL:
case TIFF_FLOAT:
return TIFF_SETGET_C0_FLOAT;
case TIFF_SBYTE:
return TIFF_SETGET_C0_SINT8;
case TIFF_SSHORT:
return TIFF_SETGET_C0_SINT16;
case TIFF_SLONG:
return TIFF_SETGET_C0_SINT32;
case TIFF_DOUBLE:
return TIFF_SETGET_C0_DOUBLE;
case TIFF_IFD:
case TIFF_IFD8:
return TIFF_SETGET_C0_IFD8;
case TIFF_LONG8:
return TIFF_SETGET_C0_UINT64;
case TIFF_SLONG8:
return TIFF_SETGET_C0_SINT64;
default:
return TIFF_SETGET_UNDEFINED;
}
}
else if (count == TIFF_VARIABLE && passcount == 1) {
switch (type)
{
case TIFF_BYTE:
case TIFF_UNDEFINED:
return TIFF_SETGET_C16_UINT8;
case TIFF_ASCII:
return TIFF_SETGET_C16_ASCII;
case TIFF_SHORT:
return TIFF_SETGET_C16_UINT16;
case TIFF_LONG:
return TIFF_SETGET_C16_UINT32;
case TIFF_RATIONAL:
case TIFF_SRATIONAL:
case TIFF_FLOAT:
return TIFF_SETGET_C16_FLOAT;
case TIFF_SBYTE:
return TIFF_SETGET_C16_SINT8;
case TIFF_SSHORT:
return TIFF_SETGET_C16_SINT16;
case TIFF_SLONG:
return TIFF_SETGET_C16_SINT32;
case TIFF_DOUBLE:
return TIFF_SETGET_C16_DOUBLE;
case TIFF_IFD:
case TIFF_IFD8:
return TIFF_SETGET_C16_IFD8;
case TIFF_LONG8:
return TIFF_SETGET_C16_UINT64;
case TIFF_SLONG8:
return TIFF_SETGET_C16_SINT64;
default:
return TIFF_SETGET_UNDEFINED;
}
}
else if (count == TIFF_VARIABLE2 && passcount == 1) {
switch (type)
{
case TIFF_BYTE:
case TIFF_UNDEFINED:
return TIFF_SETGET_C32_UINT8;
case TIFF_ASCII:
return TIFF_SETGET_C32_ASCII;
case TIFF_SHORT:
return TIFF_SETGET_C32_UINT16;
case TIFF_LONG:
return TIFF_SETGET_C32_UINT32;
case TIFF_RATIONAL:
case TIFF_SRATIONAL:
case TIFF_FLOAT:
return TIFF_SETGET_C32_FLOAT;
case TIFF_SBYTE:
return TIFF_SETGET_C32_SINT8;
case TIFF_SSHORT:
return TIFF_SETGET_C32_SINT16;
case TIFF_SLONG:
return TIFF_SETGET_C32_SINT32;
case TIFF_DOUBLE:
return TIFF_SETGET_C32_DOUBLE;
case TIFF_IFD:
case TIFF_IFD8:
return TIFF_SETGET_C32_IFD8;
case TIFF_LONG8:
return TIFF_SETGET_C32_UINT64;
case TIFF_SLONG8:
return TIFF_SETGET_C32_SINT64;
default:
return TIFF_SETGET_UNDEFINED;
}
}
return TIFF_SETGET_UNDEFINED;
}
int
TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], uint32 n)
{
static const char module[] = "TIFFMergeFieldInfo";
static const char reason[] = "for fields array";
TIFFField *tp;
size_t nfields;
uint32 i;
if (tif->tif_nfieldscompat > 0) {
tif->tif_fieldscompat = (TIFFFieldArray *)
_TIFFCheckRealloc(tif, tif->tif_fieldscompat,
tif->tif_nfieldscompat + 1,
sizeof(TIFFFieldArray), reason);
} else {
tif->tif_fieldscompat = (TIFFFieldArray *)
_TIFFCheckMalloc(tif, 1, sizeof(TIFFFieldArray),
reason);
}
if (!tif->tif_fieldscompat) {
TIFFErrorExt(tif->tif_clientdata, module,
"Failed to allocate fields array");
return -1;
}
nfields = tif->tif_nfieldscompat++;
tif->tif_fieldscompat[nfields].type = tfiatOther;
tif->tif_fieldscompat[nfields].allocated_size = n;
tif->tif_fieldscompat[nfields].count = n;
tif->tif_fieldscompat[nfields].fields =
(TIFFField *)_TIFFCheckMalloc(tif, n, sizeof(TIFFField),
reason);
if (!tif->tif_fieldscompat[nfields].fields) {
TIFFErrorExt(tif->tif_clientdata, module,
"Failed to allocate fields array");
return -1;
}
tp = tif->tif_fieldscompat[nfields].fields;
for (i = 0; i < n; i++) {
tp->field_tag = info[i].field_tag;
tp->field_readcount = info[i].field_readcount;
tp->field_writecount = info[i].field_writecount;
tp->field_type = info[i].field_type;
tp->reserved = 0;
tp->set_field_type =
_TIFFSetGetType(info[i].field_type,
info[i].field_readcount,
info[i].field_passcount);
tp->get_field_type =
_TIFFSetGetType(info[i].field_type,
info[i].field_readcount,
info[i].field_passcount);
tp->field_bit = info[i].field_bit;
tp->field_oktochange = info[i].field_oktochange;
tp->field_passcount = info[i].field_passcount;
tp->field_name = info[i].field_name;
tp->field_subfields = NULL;
tp++;
}
if (!_TIFFMergeFields(tif, tif->tif_fieldscompat[nfields].fields, n)) {
TIFFErrorExt(tif->tif_clientdata, module,
"Setting up field info failed");
return -1;
}
return 0;
}
int
_TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
{
/* Filter out non-codec specific tags */
switch (tag) {
/* Shared tags */
case TIFFTAG_PREDICTOR:
/* JPEG tags */
case TIFFTAG_JPEGTABLES:
/* OJPEG tags */
case TIFFTAG_JPEGIFOFFSET:
case TIFFTAG_JPEGIFBYTECOUNT:
case TIFFTAG_JPEGQTABLES:
case TIFFTAG_JPEGDCTABLES:
case TIFFTAG_JPEGACTABLES:
case TIFFTAG_JPEGPROC:
case TIFFTAG_JPEGRESTARTINTERVAL:
/* CCITT* */
case TIFFTAG_BADFAXLINES:
case TIFFTAG_CLEANFAXDATA:
case TIFFTAG_CONSECUTIVEBADFAXLINES:
case TIFFTAG_GROUP3OPTIONS:
case TIFFTAG_GROUP4OPTIONS:
/* LERC */
case TIFFTAG_LERC_PARAMETERS:
break;
default:
return 1;
}
/* Check if codec specific tags are allowed for the current
* compression scheme (codec) */
switch (tif->tif_dir.td_compression) {
case COMPRESSION_LZW:
if (tag == TIFFTAG_PREDICTOR)
return 1;
break;
case COMPRESSION_PACKBITS:
/* No codec-specific tags */
break;
case COMPRESSION_THUNDERSCAN:
/* No codec-specific tags */
break;
case COMPRESSION_NEXT:
/* No codec-specific tags */
break;
case COMPRESSION_JPEG:
if (tag == TIFFTAG_JPEGTABLES)
return 1;
break;
case COMPRESSION_OJPEG:
switch (tag) {
case TIFFTAG_JPEGIFOFFSET:
case TIFFTAG_JPEGIFBYTECOUNT:
case TIFFTAG_JPEGQTABLES:
case TIFFTAG_JPEGDCTABLES:
case TIFFTAG_JPEGACTABLES:
case TIFFTAG_JPEGPROC:
case TIFFTAG_JPEGRESTARTINTERVAL:
return 1;
}
break;
case COMPRESSION_CCITTRLE:
case COMPRESSION_CCITTRLEW:
case COMPRESSION_CCITTFAX3:
case COMPRESSION_CCITTFAX4:
switch (tag) {
case TIFFTAG_BADFAXLINES:
case TIFFTAG_CLEANFAXDATA:
case TIFFTAG_CONSECUTIVEBADFAXLINES:
return 1;
case TIFFTAG_GROUP3OPTIONS:
if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX3)
return 1;
break;
case TIFFTAG_GROUP4OPTIONS:
if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX4)
return 1;
break;
}
break;
case COMPRESSION_JBIG:
/* No codec-specific tags */
break;
case COMPRESSION_DEFLATE:
case COMPRESSION_ADOBE_DEFLATE:
if (tag == TIFFTAG_PREDICTOR)
return 1;
break;
case COMPRESSION_PIXARLOG:
if (tag == TIFFTAG_PREDICTOR)
return 1;
break;
case COMPRESSION_SGILOG:
case COMPRESSION_SGILOG24:
/* No codec-specific tags */
break;
case COMPRESSION_LZMA:
if (tag == TIFFTAG_PREDICTOR)
return 1;
break;
case COMPRESSION_ZSTD:
if (tag == TIFFTAG_PREDICTOR)
return 1;
break;
case COMPRESSION_LERC:
if (tag == TIFFTAG_LERC_PARAMETERS)
return 1;
break;
}
return 0;
}
/* vim: set ts=8 sts=8 sw=8 noet: */
/*
* Local Variables:
* mode: c
* c-basic-offset: 8
* fill-column: 78
* End:
*/
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