/* $Id: tif_dirinfo.c,v 1.64 2006/06/24 13:30:50 dron Exp $ *//* * 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>/* * NB: NB: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG. *       If a tag can have both LONG and SHORT types then the LONG must be *       placed before the SHORT for writing to work properly. * * NOTE: The second field (field_readcount) and third field (field_writecount) *       sometimes use the values TIFF_VARIABLE (-1), TIFF_VARIABLE2 (-3) *       and TIFFTAG_SPP (-2). The macros should be used but would throw off  *       the formatting of the code, so please interprete the -1, -2 and -3  *       values accordingly. */static const TIFFFieldInfotiffFieldInfo[] = {    { TIFFTAG_SUBFILETYPE,	 1, 1,	TIFF_LONG,	FIELD_SUBFILETYPE,      1,	0,	"SubfileType" },/* XXX SHORT for compatibility w/ old versions of the library */    { TIFFTAG_SUBFILETYPE,	 1, 1,	TIFF_SHORT,	FIELD_SUBFILETYPE,      1,	0,	"SubfileType" },    { TIFFTAG_OSUBFILETYPE,	 1, 1,	TIFF_SHORT,	FIELD_SUBFILETYPE,      1,	0,	"OldSubfileType" },    { TIFFTAG_IMAGEWIDTH,	 1, 1,	TIFF_LONG,	FIELD_IMAGEDIMENSIONS,      0,	0,	"ImageWidth" },    { TIFFTAG_IMAGEWIDTH,	 1, 1,	TIFF_SHORT,	FIELD_IMAGEDIMENSIONS,      0,	0,	"ImageWidth" },    { TIFFTAG_IMAGELENGTH,	 1, 1,	TIFF_LONG,	FIELD_IMAGEDIMENSIONS,      1,	0,	"ImageLength" },    { TIFFTAG_IMAGELENGTH,	 1, 1,	TIFF_SHORT,	FIELD_IMAGEDIMENSIONS,      1,	0,	"ImageLength" },    { TIFFTAG_BITSPERSAMPLE,	-1,-1,	TIFF_SHORT,	FIELD_BITSPERSAMPLE,      0,	0,	"BitsPerSample" },/* XXX LONG for compatibility with some broken TIFF writers */    { TIFFTAG_BITSPERSAMPLE,	-1,-1,	TIFF_LONG,	FIELD_BITSPERSAMPLE,      0,	0,	"BitsPerSample" },    { TIFFTAG_COMPRESSION,	-1, 1,	TIFF_SHORT,	FIELD_COMPRESSION,      0,	0,	"Compression" },/* XXX LONG for compatibility with some broken TIFF writers */    { TIFFTAG_COMPRESSION,	-1, 1,	TIFF_LONG,	FIELD_COMPRESSION,      0,	0,	"Compression" },    { TIFFTAG_PHOTOMETRIC,	 1, 1,	TIFF_SHORT,	FIELD_PHOTOMETRIC,      0,	0,	"PhotometricInterpretation" },/* XXX LONG for compatibility with some broken TIFF writers */    { TIFFTAG_PHOTOMETRIC,	 1, 1,	TIFF_LONG,	FIELD_PHOTOMETRIC,      0,	0,	"PhotometricInterpretation" },    { TIFFTAG_THRESHHOLDING,	 1, 1,	TIFF_SHORT,	FIELD_THRESHHOLDING,      1,	0,	"Threshholding" },    { TIFFTAG_CELLWIDTH,	 1, 1,	TIFF_SHORT,	FIELD_IGNORE,      1,	0,	"CellWidth" },    { TIFFTAG_CELLLENGTH,	 1, 1,	TIFF_SHORT,	FIELD_IGNORE,      1,	0,	"CellLength" },    { TIFFTAG_FILLORDER,	 1, 1,	TIFF_SHORT,	FIELD_FILLORDER,      0,	0,	"FillOrder" },    { TIFFTAG_DOCUMENTNAME,	-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"DocumentName" },    { TIFFTAG_IMAGEDESCRIPTION,	-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"ImageDescription" },    { TIFFTAG_MAKE,		-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"Make" },    { TIFFTAG_MODEL,		-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"Model" },    { TIFFTAG_STRIPOFFSETS,	-1,-1,	TIFF_LONG,	FIELD_STRIPOFFSETS,      0,	0,	"StripOffsets" },    { TIFFTAG_STRIPOFFSETS,	-1,-1,	TIFF_SHORT,	FIELD_STRIPOFFSETS,      0,	0,	"StripOffsets" },    { TIFFTAG_ORIENTATION,	 1, 1,	TIFF_SHORT,	FIELD_ORIENTATION,      0,	0,	"Orientation" },    { TIFFTAG_SAMPLESPERPIXEL,	 1, 1,	TIFF_SHORT,	FIELD_SAMPLESPERPIXEL,      0,	0,	"SamplesPerPixel" },    { TIFFTAG_ROWSPERSTRIP,	 1, 1,	TIFF_LONG,	FIELD_ROWSPERSTRIP,      0,	0,	"RowsPerStrip" },    { TIFFTAG_ROWSPERSTRIP,	 1, 1,	TIFF_SHORT,	FIELD_ROWSPERSTRIP,      0,	0,	"RowsPerStrip" },    { TIFFTAG_STRIPBYTECOUNTS,	-1,-1,	TIFF_LONG,	FIELD_STRIPBYTECOUNTS,      0,	0,	"StripByteCounts" },    { TIFFTAG_STRIPBYTECOUNTS,	-1,-1,	TIFF_SHORT,	FIELD_STRIPBYTECOUNTS,      0,	0,	"StripByteCounts" },    { TIFFTAG_MINSAMPLEVALUE,	-2,-1,	TIFF_SHORT,	FIELD_MINSAMPLEVALUE,      1,	0,	"MinSampleValue" },    { TIFFTAG_MAXSAMPLEVALUE,	-2,-1,	TIFF_SHORT,	FIELD_MAXSAMPLEVALUE,      1,	0,	"MaxSampleValue" },    { TIFFTAG_XRESOLUTION,	 1, 1,	TIFF_RATIONAL,	FIELD_RESOLUTION,      1,	0,	"XResolution" },    { TIFFTAG_YRESOLUTION,	 1, 1,	TIFF_RATIONAL,	FIELD_RESOLUTION,      1,	0,	"YResolution" },    { TIFFTAG_PLANARCONFIG,	 1, 1,	TIFF_SHORT,	FIELD_PLANARCONFIG,      0,	0,	"PlanarConfiguration" },    { TIFFTAG_PAGENAME,		-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"PageName" },    { TIFFTAG_XPOSITION,	 1, 1,	TIFF_RATIONAL,	FIELD_POSITION,      1,	0,	"XPosition" },    { TIFFTAG_YPOSITION,	 1, 1,	TIFF_RATIONAL,	FIELD_POSITION,      1,	0,	"YPosition" },    { TIFFTAG_FREEOFFSETS,	-1,-1,	TIFF_LONG,	FIELD_IGNORE,      0,	0,	"FreeOffsets" },    { TIFFTAG_FREEBYTECOUNTS,	-1,-1,	TIFF_LONG,	FIELD_IGNORE,      0,	0,	"FreeByteCounts" },    { TIFFTAG_GRAYRESPONSEUNIT,	 1, 1,	TIFF_SHORT,	FIELD_IGNORE,      1,	0,	"GrayResponseUnit" },    { TIFFTAG_GRAYRESPONSECURVE,-1,-1,	TIFF_SHORT,	FIELD_IGNORE,      1,	0,	"GrayResponseCurve" },    { TIFFTAG_RESOLUTIONUNIT,	 1, 1,	TIFF_SHORT,	FIELD_RESOLUTIONUNIT,      1,	0,	"ResolutionUnit" },    { TIFFTAG_PAGENUMBER,	 2, 2,	TIFF_SHORT,	FIELD_PAGENUMBER,      1,	0,	"PageNumber" },    { TIFFTAG_COLORRESPONSEUNIT, 1, 1,	TIFF_SHORT,	FIELD_IGNORE,      1,	0,	"ColorResponseUnit" },    { TIFFTAG_TRANSFERFUNCTION,	-1,-1,	TIFF_SHORT,	FIELD_TRANSFERFUNCTION,      1,	0,	"TransferFunction" },    { TIFFTAG_SOFTWARE,		-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"Software" },    { TIFFTAG_DATETIME,		20,20,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"DateTime" },    { TIFFTAG_ARTIST,		-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"Artist" },    { TIFFTAG_HOSTCOMPUTER,	-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"HostComputer" },    { TIFFTAG_WHITEPOINT,	 2, 2,	TIFF_RATIONAL,	FIELD_CUSTOM,      1,	0,	"WhitePoint" },    { TIFFTAG_PRIMARYCHROMATICITIES,6,6,TIFF_RATIONAL,	FIELD_CUSTOM,      1,	0,	"PrimaryChromaticities" },    { TIFFTAG_COLORMAP,		-1,-1,	TIFF_SHORT,	FIELD_COLORMAP,      1,	0,	"ColorMap" },    { TIFFTAG_HALFTONEHINTS,	 2, 2,	TIFF_SHORT,	FIELD_HALFTONEHINTS,      1,	0,	"HalftoneHints" },    { TIFFTAG_TILEWIDTH,	 1, 1,	TIFF_LONG,	FIELD_TILEDIMENSIONS,      0,	0,	"TileWidth" },    { TIFFTAG_TILEWIDTH,	 1, 1,	TIFF_SHORT,	FIELD_TILEDIMENSIONS,      0,	0,	"TileWidth" },    { TIFFTAG_TILELENGTH,	 1, 1,	TIFF_LONG,	FIELD_TILEDIMENSIONS,      0,	0,	"TileLength" },    { TIFFTAG_TILELENGTH,	 1, 1,	TIFF_SHORT,	FIELD_TILEDIMENSIONS,      0,	0,	"TileLength" },    { TIFFTAG_TILEOFFSETS,	-1, 1,	TIFF_LONG,	FIELD_STRIPOFFSETS,      0,	0,	"TileOffsets" },    { TIFFTAG_TILEBYTECOUNTS,	-1, 1,	TIFF_LONG,	FIELD_STRIPBYTECOUNTS,      0,	0,	"TileByteCounts" },    { TIFFTAG_TILEBYTECOUNTS,	-1, 1,	TIFF_SHORT,	FIELD_STRIPBYTECOUNTS,      0,	0,	"TileByteCounts" },    { TIFFTAG_SUBIFD,		-1,-1,	TIFF_IFD,	FIELD_SUBIFD,      1,	1,	"SubIFD" },    { TIFFTAG_SUBIFD,		-1,-1,	TIFF_LONG,	FIELD_SUBIFD,      1,	1,	"SubIFD" },    { TIFFTAG_INKSET,		 1, 1,	TIFF_SHORT,	FIELD_CUSTOM,      0,	0,	"InkSet" },    { TIFFTAG_INKNAMES,		-1,-1,	TIFF_ASCII,	FIELD_INKNAMES,      1,	1,	"InkNames" },    { TIFFTAG_NUMBEROFINKS,	 1, 1,	TIFF_SHORT,	FIELD_CUSTOM,      1,	0,	"NumberOfInks" },    { TIFFTAG_DOTRANGE,		 2, 2,	TIFF_SHORT,	FIELD_CUSTOM,      0,	0,	"DotRange" },    { TIFFTAG_DOTRANGE,		 2, 2,	TIFF_BYTE,	FIELD_CUSTOM,      0,	0,	"DotRange" },    { TIFFTAG_TARGETPRINTER,	-1,-1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"TargetPrinter" },    { TIFFTAG_EXTRASAMPLES,	-1,-1,	TIFF_SHORT,	FIELD_EXTRASAMPLES,      0,	1,	"ExtraSamples" },/* XXX for bogus Adobe Photoshop v2.5 files */    { TIFFTAG_EXTRASAMPLES,	-1,-1,	TIFF_BYTE,	FIELD_EXTRASAMPLES,      0,	1,	"ExtraSamples" },    { TIFFTAG_SAMPLEFORMAT,	-1,-1,	TIFF_SHORT,	FIELD_SAMPLEFORMAT,      0,	0,	"SampleFormat" },    { TIFFTAG_SMINSAMPLEVALUE,	-2,-1,	TIFF_ANY,	FIELD_SMINSAMPLEVALUE,      1,	0,	"SMinSampleValue" },    { TIFFTAG_SMAXSAMPLEVALUE,	-2,-1,	TIFF_ANY,	FIELD_SMAXSAMPLEVALUE,      1,	0,	"SMaxSampleValue" },    { TIFFTAG_CLIPPATH,		-1, -3, TIFF_BYTE,	FIELD_CUSTOM,      0,	1,	"ClipPath" },    { TIFFTAG_XCLIPPATHUNITS,	 1, 1,	TIFF_SLONG,	FIELD_CUSTOM,      0,	0,	"XClipPathUnits" },    { TIFFTAG_XCLIPPATHUNITS,	 1, 1,	TIFF_SSHORT,	FIELD_CUSTOM,      0,	0,	"XClipPathUnits" },    { TIFFTAG_XCLIPPATHUNITS,	 1, 1,	TIFF_SBYTE,	FIELD_CUSTOM,      0,	0,	"XClipPathUnits" },    { TIFFTAG_YCLIPPATHUNITS,	 1, 1,	TIFF_SLONG,	FIELD_CUSTOM,      0,	0,	"YClipPathUnits" },    { TIFFTAG_YCLIPPATHUNITS,	 1, 1,	TIFF_SSHORT,	FIELD_CUSTOM,      0,	0,	"YClipPathUnits" },    { TIFFTAG_YCLIPPATHUNITS,	 1, 1,	TIFF_SBYTE,	FIELD_CUSTOM,      0,	0,	"YClipPathUnits" },    { TIFFTAG_YCBCRCOEFFICIENTS, 3, 3,	TIFF_RATIONAL,	FIELD_CUSTOM,      0,	0,	"YCbCrCoefficients" },    { TIFFTAG_YCBCRSUBSAMPLING,	 2, 2,	TIFF_SHORT,	FIELD_YCBCRSUBSAMPLING,      0,	0,	"YCbCrSubsampling" },    { TIFFTAG_YCBCRPOSITIONING,	 1, 1,	TIFF_SHORT,	FIELD_YCBCRPOSITIONING,      0,	0,	"YCbCrPositioning" },    { TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_RATIONAL,	FIELD_CUSTOM,      1,	0,	"ReferenceBlackWhite" },/* XXX temporarily accept LONG for backwards compatibility */    { TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_LONG,	FIELD_CUSTOM,      1,	0,	"ReferenceBlackWhite" },    { TIFFTAG_XMLPACKET,	-3,-3,	TIFF_BYTE,	FIELD_CUSTOM,      0,	1,	"XMLPacket" },/* begin SGI tags */    { TIFFTAG_MATTEING,		 1, 1,	TIFF_SHORT,	FIELD_EXTRASAMPLES,      0,	0,	"Matteing" },    { TIFFTAG_DATATYPE,		-2,-1,	TIFF_SHORT,	FIELD_SAMPLEFORMAT,      0,	0,	"DataType" },    { TIFFTAG_IMAGEDEPTH,	 1, 1,	TIFF_LONG,	FIELD_IMAGEDEPTH,      0,	0,	"ImageDepth" },    { TIFFTAG_IMAGEDEPTH,	 1, 1,	TIFF_SHORT,	FIELD_IMAGEDEPTH,      0,	0,	"ImageDepth" },    { TIFFTAG_TILEDEPTH,	 1, 1,	TIFF_LONG,	FIELD_TILEDEPTH,      0,	0,	"TileDepth" },    { TIFFTAG_TILEDEPTH,	 1, 1,	TIFF_SHORT,	FIELD_TILEDEPTH,      0,	0,	"TileDepth" },/* end SGI tags *//* begin Pixar tags */    { TIFFTAG_PIXAR_IMAGEFULLWIDTH,  1, 1, TIFF_LONG,	FIELD_CUSTOM,      1,	0,	"ImageFullWidth" },    { TIFFTAG_PIXAR_IMAGEFULLLENGTH, 1, 1, TIFF_LONG,	FIELD_CUSTOM,      1,	0,	"ImageFullLength" },    { TIFFTAG_PIXAR_TEXTUREFORMAT,  -1, -1, TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"TextureFormat" },    { TIFFTAG_PIXAR_WRAPMODES,	    -1, -1, TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"TextureWrapModes" },    { TIFFTAG_PIXAR_FOVCOT,	     1, 1, TIFF_FLOAT,	FIELD_CUSTOM,      1,	0,	"FieldOfViewCotangent" },    { TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN,	16,16,	TIFF_FLOAT,      FIELD_CUSTOM,	1,	0,	"MatrixWorldToScreen" },    { TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA,	16,16,	TIFF_FLOAT,       FIELD_CUSTOM,	1,	0,	"MatrixWorldToCamera" },    { TIFFTAG_COPYRIGHT,	-1, -1,	TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"Copyright" },/* end Pixar tags */    { TIFFTAG_RICHTIFFIPTC, -3, -3,	TIFF_LONG,	FIELD_CUSTOM,       0,    1,   "RichTIFFIPTC" },    { TIFFTAG_PHOTOSHOP,    -3, -3,	TIFF_BYTE,	FIELD_CUSTOM,       0,    1,   "Photoshop" },    { TIFFTAG_EXIFIFD,		1, 1,	TIFF_LONG,	FIELD_CUSTOM,      0,	0,	"EXIFIFDOffset" },    { TIFFTAG_ICCPROFILE,	-3, -3,	TIFF_UNDEFINED,	FIELD_CUSTOM,      0,	1,	"ICC Profile" },    { TIFFTAG_GPSIFD,		1, 1,	TIFF_LONG,	FIELD_CUSTOM,      0,	0,	"GPSIFDOffset" },    { TIFFTAG_STONITS,		 1, 1,	TIFF_DOUBLE,	FIELD_CUSTOM,      0,	0,	"StoNits" },    { TIFFTAG_INTEROPERABILITYIFD, 1, 1, TIFF_LONG,	FIELD_CUSTOM,      0,	0,	"InteroperabilityIFDOffset" },/* begin DNG tags */    { TIFFTAG_DNGVERSION,	4, 4,	TIFF_BYTE,	FIELD_CUSTOM,       0,	0,	"DNGVersion" },    { TIFFTAG_DNGBACKWARDVERSION, 4, 4,	TIFF_BYTE,	FIELD_CUSTOM,       0,	0,	"DNGBackwardVersion" },    { TIFFTAG_UNIQUECAMERAMODEL,    -1, -1, TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"UniqueCameraModel" },    { TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_ASCII,	FIELD_CUSTOM,      1,	0,	"LocalizedCameraModel" },    { TIFFTAG_LOCALIZEDCAMERAMODEL, -1, -1, TIFF_BYTE,	FIELD_CUSTOM,      1,	1,	"LocalizedCameraModel" },    { TIFFTAG_CFAPLANECOLOR,	-1, -1,	TIFF_BYTE,	FIELD_CUSTOM,       0,	1,	"CFAPlaneColor" },