diff options
Diffstat (limited to 'tiff/libtiff/tif_dirinfo.c')
| -rw-r--r-- | tiff/libtiff/tif_dirinfo.c | 888 |
1 files changed, 888 insertions, 0 deletions
diff --git a/tiff/libtiff/tif_dirinfo.c b/tiff/libtiff/tif_dirinfo.c new file mode 100644 index 0000000..0a77c97 --- /dev/null +++ b/tiff/libtiff/tif_dirinfo.c @@ -0,0 +1,888 @@ +/* $Id: tif_dirinfo.c,v 1.65.2.9 2010-06-09 21:15:27 bfriesen 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> +#include <string.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 TIFFFieldInfo +tiffFieldInfo[] = { + { 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_REFBLACKWHITE, + 1, 0, "ReferenceBlackWhite" }, +/* XXX temporarily accept LONG for backwards compatibility */ + { TIFFTAG_REFERENCEBLACKWHITE, 6, 6, TIFF_LONG, FIELD_REFBLACKWHITE, + 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" }, + { TIFFTAG_CFALAYOUT, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "CFALayout" }, + { TIFFTAG_LINEARIZATIONTABLE, -1, -1, TIFF_SHORT, FIELD_CUSTOM, + 0, 1, "LinearizationTable" }, + { TIFFTAG_BLACKLEVELREPEATDIM, 2, 2, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "BlackLevelRepeatDim" }, + { TIFFTAG_BLACKLEVEL, -1, -1, TIFF_LONG, FIELD_CUSTOM, + 0, 1, "BlackLevel" }, + { TIFFTAG_BLACKLEVEL, -1, -1, TIFF_SHORT, FIELD_CUSTOM, + 0, 1, "BlackLevel" }, + { TIFFTAG_BLACKLEVEL, -1, -1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 1, "BlackLevel" }, + { TIFFTAG_BLACKLEVELDELTAH, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "BlackLevelDeltaH" }, + { TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "BlackLevelDeltaV" }, + { TIFFTAG_WHITELEVEL, -2, -2, TIFF_LONG, FIELD_CUSTOM, + 0, 0, "WhiteLevel" }, + { TIFFTAG_WHITELEVEL, -2, -2, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "WhiteLevel" }, + { TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "DefaultScale" }, + { TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "BestQualityScale" }, + { TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_LONG, FIELD_CUSTOM, + 0, 0, "DefaultCropOrigin" }, + { TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "DefaultCropOrigin" }, + { TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "DefaultCropOrigin" }, + { TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_LONG, FIELD_CUSTOM, + 0, 0, "DefaultCropSize" }, + { TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "DefaultCropSize" }, + { TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "DefaultCropSize" }, + { TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "ColorMatrix1" }, + { TIFFTAG_COLORMATRIX2, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "ColorMatrix2" }, + { TIFFTAG_CAMERACALIBRATION1, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "CameraCalibration1" }, + { TIFFTAG_CAMERACALIBRATION2, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "CameraCalibration2" }, + { TIFFTAG_REDUCTIONMATRIX1, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "ReductionMatrix1" }, + { TIFFTAG_REDUCTIONMATRIX2, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "ReductionMatrix2" }, + { TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 1, "AnalogBalance" }, + { TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_SHORT, FIELD_CUSTOM, + 0, 1, "AsShotNeutral" }, + { TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 1, "AsShotNeutral" }, + { TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "AsShotWhiteXY" }, + { TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 0, "BaselineExposure" }, + { TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "BaselineNoise" }, + { TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "BaselineSharpness" }, + { TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, FIELD_CUSTOM, + 0, 0, "BayerGreenSplit" }, + { TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "LinearResponseLimit" }, + { TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "CameraSerialNumber" }, + { TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "LensInfo" }, + { TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "ChromaBlurRadius" }, + { TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "AntiAliasStrength" }, + { TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 0, 0, "ShadowScale" }, + { TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, FIELD_CUSTOM, + 0, 1, "DNGPrivateData" }, + { TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "MakerNoteSafety" }, + { TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "CalibrationIlluminant1" }, + { TIFFTAG_CALIBRATIONILLUMINANT2, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "CalibrationIlluminant2" }, + { TIFFTAG_RAWDATAUNIQUEID, 16, 16, TIFF_BYTE, FIELD_CUSTOM, + 0, 0, "RawDataUniqueID" }, + { TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "OriginalRawFileName" }, + { TIFFTAG_ORIGINALRAWFILENAME, -1, -1, TIFF_BYTE, FIELD_CUSTOM, + 1, 1, "OriginalRawFileName" }, + { TIFFTAG_ORIGINALRAWFILEDATA, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 0, 1, "OriginalRawFileData" }, + { TIFFTAG_ACTIVEAREA, 4, 4, TIFF_LONG, FIELD_CUSTOM, + 0, 0, "ActiveArea" }, + { TIFFTAG_ACTIVEAREA, 4, 4, TIFF_SHORT, FIELD_CUSTOM, + 0, 0, "ActiveArea" }, + { TIFFTAG_MASKEDAREAS, -1, -1, TIFF_LONG, FIELD_CUSTOM, + 0, 1, "MaskedAreas" }, + { TIFFTAG_ASSHOTICCPROFILE, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 0, 1, "AsShotICCProfile" }, + { TIFFTAG_ASSHOTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "AsShotPreProfileMatrix" }, + { TIFFTAG_CURRENTICCPROFILE, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 0, 1, "CurrentICCProfile" }, + { TIFFTAG_CURRENTPREPROFILEMATRIX, -1, -1, TIFF_SRATIONAL, FIELD_CUSTOM, + 0, 1, "CurrentPreProfileMatrix" }, +/* end DNG tags */ +}; + +static const TIFFFieldInfo +exifFieldInfo[] = { + { EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "ExposureTime" }, + { EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "FNumber" }, + { EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "ExposureProgram" }, + { EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "SpectralSensitivity" }, + { EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, FIELD_CUSTOM, + 1, 1, "ISOSpeedRatings" }, + { EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 1, "OptoelectricConversionFactor" }, + { EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 0, "ExifVersion" }, + { EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "DateTimeOriginal" }, + { EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "DateTimeDigitized" }, + { EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 0, "ComponentsConfiguration" }, + { EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "CompressedBitsPerPixel" }, + { EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, FIELD_CUSTOM, + 1, 0, "ShutterSpeedValue" }, + { EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "ApertureValue" }, + { EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, FIELD_CUSTOM, + 1, 0, "BrightnessValue" }, + { EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, FIELD_CUSTOM, + 1, 0, "ExposureBiasValue" }, + { EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "MaxApertureValue" }, + { EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "SubjectDistance" }, + { EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "MeteringMode" }, + { EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "LightSource" }, + { EXIFTAG_FLASH, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "Flash" }, + { EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "FocalLength" }, + { EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, FIELD_CUSTOM, + 1, 1, "SubjectArea" }, + { EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 1, "MakerNote" }, + { EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 1, "UserComment" }, + { EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "SubSecTime" }, + { EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "SubSecTimeOriginal" }, + { EXIFTAG_SUBSECTIMEDIGITIZED,-1, -1, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "SubSecTimeDigitized" }, + { EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 0, "FlashpixVersion" }, + { EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "ColorSpace" }, + { EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, FIELD_CUSTOM, + 1, 0, "PixelXDimension" }, + { EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "PixelXDimension" }, + { EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, FIELD_CUSTOM, + 1, 0, "PixelYDimension" }, + { EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "PixelYDimension" }, + { EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "RelatedSoundFile" }, + { EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "FlashEnergy" }, + { EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 1, "SpatialFrequencyResponse" }, + { EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "FocalPlaneXResolution" }, + { EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "FocalPlaneYResolution" }, + { EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "FocalPlaneResolutionUnit" }, + { EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "SubjectLocation" }, + { EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "ExposureIndex" }, + { EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "SensingMethod" }, + { EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 0, "FileSource" }, + { EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 0, "SceneType" }, + { EXIFTAG_CFAPATTERN, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 1, "CFAPattern" }, + { EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "CustomRendered" }, + { EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "ExposureMode" }, + { EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "WhiteBalance" }, + { EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "DigitalZoomRatio" }, + { EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "FocalLengthIn35mmFilm" }, + { EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "SceneCaptureType" }, + { EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, FIELD_CUSTOM, + 1, 0, "GainControl" }, + { EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "Contrast" }, + { EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "Saturation" }, + { EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "Sharpness" }, + { EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, FIELD_CUSTOM, + 1, 1, "DeviceSettingDescription" }, + { EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, "SubjectDistanceRange" }, + { EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, FIELD_CUSTOM, + 1, 0, "ImageUniqueID" } +}; + +const TIFFFieldInfo * +_TIFFGetFieldInfo(size_t *size) +{ + *size = TIFFArrayCount(tiffFieldInfo); + return tiffFieldInfo; +} + +const TIFFFieldInfo * +_TIFFGetExifFieldInfo(size_t *size) +{ + *size = TIFFArrayCount(exifFieldInfo); + return exifFieldInfo; +} + +void +_TIFFSetupFieldInfo(TIFF* tif, const TIFFFieldInfo info[], size_t n) +{ + if (tif->tif_fieldinfo) { + size_t i; + + for (i = 0; i < tif->tif_nfields; i++) + { + TIFFFieldInfo *fld = tif->tif_fieldinfo[i]; + if (fld->field_bit == FIELD_CUSTOM && + strncmp("Tag ", fld->field_name, 4) == 0) { + _TIFFfree(fld->field_name); + _TIFFfree(fld); + } + } + + _TIFFfree(tif->tif_fieldinfo); + tif->tif_nfields = 0; + } + if (!_TIFFMergeFieldInfo(tif, info, n)) + { + TIFFErrorExt(tif->tif_clientdata, "_TIFFSetupFieldInfo", + "Setting up field info failed"); + } +} + +static int +tagCompare(const void* a, const void* b) +{ + const TIFFFieldInfo* ta = *(const TIFFFieldInfo**) a; + const TIFFFieldInfo* tb = *(const TIFFFieldInfo**) 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 TIFFFieldInfo* ta = *(const TIFFFieldInfo**) a; + const TIFFFieldInfo* tb = *(const TIFFFieldInfo**) 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); +} + +void +TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], int n) +{ + if (_TIFFMergeFieldInfo(tif, info, n) < 0) + { + TIFFErrorExt(tif->tif_clientdata, "TIFFMergeFieldInfo", + "Merging block of %d fields failed", n); + } +} + +int +_TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], int n) +{ + static const char module[] = "_TIFFMergeFieldInfo"; + static const char reason[] = "for field info array"; + TIFFFieldInfo** tp; + int i; + + tif->tif_foundfield = NULL; + + if (tif->tif_nfields > 0) { + tif->tif_fieldinfo = (TIFFFieldInfo**) + _TIFFCheckRealloc(tif, tif->tif_fieldinfo, + (tif->tif_nfields + n), + sizeof (TIFFFieldInfo*), reason); + } else { + tif->tif_fieldinfo = (TIFFFieldInfo**) + _TIFFCheckMalloc(tif, n, sizeof (TIFFFieldInfo*), + reason); + } + if (!tif->tif_fieldinfo) { + TIFFErrorExt(tif->tif_clientdata, module, + "Failed to allocate field info array"); + return 0; + } + tp = tif->tif_fieldinfo + tif->tif_nfields; + for (i = 0; i < n; i++) + { + const TIFFFieldInfo *fip = + _TIFFFindFieldInfo(tif, info[i].field_tag, info[i].field_type); + + /* only add definitions that aren't already present */ + if (!fip) { + *tp++ = (TIFFFieldInfo*) (info + i); + tif->tif_nfields++; + } + } + + /* Sort the field info by tag number */ + qsort(tif->tif_fieldinfo, tif->tif_nfields, + sizeof (TIFFFieldInfo*), tagCompare); + + return n; +} + +void +_TIFFPrintFieldInfo(TIFF* tif, FILE* fd) +{ + size_t i; + + fprintf(fd, "%s: \n", tif->tif_name); + for (i = 0; i < tif->tif_nfields; i++) { + const TIFFFieldInfo* fip = tif->tif_fieldinfo[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 1: /* TIFF_BYTE */ + case 2: /* TIFF_ASCII */ + case 6: /* TIFF_SBYTE */ + case 7: /* TIFF_UNDEFINED */ + return 1; + case 3: /* TIFF_SHORT */ + case 8: /* TIFF_SSHORT */ + return 2; + case 4: /* TIFF_LONG */ + case 9: /* TIFF_SLONG */ + case 11: /* TIFF_FLOAT */ + case 13: /* TIFF_IFD */ + return 4; + case 5: /* TIFF_RATIONAL */ + case 10: /* TIFF_SRATIONAL */ + case 12: /* TIFF_DOUBLE */ + 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: + return 8; + default: + return 0; + } +} + +/* + * Return nearest TIFFDataType to the sample type of an image. + */ +TIFFDataType +_TIFFSampleToTagType(TIFF* tif) +{ + uint32 bps = TIFFhowmany8(tif->tif_dir.td_bitspersample); + + switch (tif->tif_dir.td_sampleformat) { + case SAMPLEFORMAT_IEEEFP: + return (bps == 4 ? TIFF_FLOAT : TIFF_DOUBLE); + case SAMPLEFORMAT_INT: + return (bps <= 1 ? TIFF_SBYTE : + bps <= 2 ? TIFF_SSHORT : TIFF_SLONG); + case SAMPLEFORMAT_UINT: + return (bps <= 1 ? TIFF_BYTE : + bps <= 2 ? TIFF_SHORT : TIFF_LONG); + case SAMPLEFORMAT_VOID: + return (TIFF_UNDEFINED); + } + /*NOTREACHED*/ + return (TIFF_UNDEFINED); +} + +const TIFFFieldInfo* +_TIFFFindFieldInfo(TIFF* tif, ttag_t tag, TIFFDataType dt) +{ + TIFFFieldInfo key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0}; + TIFFFieldInfo* pkey = &key; + const TIFFFieldInfo **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_fieldinfo ) { + return NULL; + } + + /* NB: use sorted search (e.g. binary search) */ + key.field_tag = tag; + key.field_type = dt; + + ret = (const TIFFFieldInfo **) bsearch(&pkey, + tif->tif_fieldinfo, + tif->tif_nfields, + sizeof(TIFFFieldInfo *), + tagCompare); + return tif->tif_foundfield = (ret ? *ret : NULL); +} + +const TIFFFieldInfo* +_TIFFFindFieldInfoByName(TIFF* tif, const char *field_name, TIFFDataType dt) +{ + TIFFFieldInfo key = {0, 0, 0, TIFF_NOTYPE, 0, 0, 0, 0}; + TIFFFieldInfo* pkey = &key; + const TIFFFieldInfo **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_fieldinfo ) { + return NULL; + } + + /* NB: use sorted search (e.g. binary search) */ + key.field_name = (char *)field_name; + key.field_type = dt; + + ret = (const TIFFFieldInfo **) lfind(&pkey, + tif->tif_fieldinfo, + &tif->tif_nfields, + sizeof(TIFFFieldInfo *), + tagNameCompare); + return tif->tif_foundfield = (ret ? *ret : NULL); +} + +const TIFFFieldInfo* +_TIFFFieldWithTag(TIFF* tif, ttag_t tag) +{ + const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); + if (!fip) { + TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithTag", + "Internal error, unknown tag 0x%x", + (unsigned int) tag); + assert(fip != NULL); + /*NOTREACHED*/ + } + return (fip); +} + +const TIFFFieldInfo* +_TIFFFieldWithName(TIFF* tif, const char *field_name) +{ + const TIFFFieldInfo* fip = + _TIFFFindFieldInfoByName(tif, field_name, TIFF_ANY); + if (!fip) { + TIFFErrorExt(tif->tif_clientdata, "TIFFFieldWithName", + "Internal error, unknown tag %s", field_name); + assert(fip != NULL); + /*NOTREACHED*/ + } + return (fip); +} + +const TIFFFieldInfo* +_TIFFFindOrRegisterFieldInfo( TIFF *tif, ttag_t tag, TIFFDataType dt ) + +{ + const TIFFFieldInfo *fld; + + fld = _TIFFFindFieldInfo( tif, tag, dt ); + if( fld == NULL ) + { + fld = _TIFFCreateAnonFieldInfo( tif, tag, dt ); + if (!_TIFFMergeFieldInfo(tif, fld, 1)) + return NULL; + } + + return fld; +} + +TIFFFieldInfo* +_TIFFCreateAnonFieldInfo(TIFF *tif, ttag_t tag, TIFFDataType field_type) +{ + TIFFFieldInfo *fld; + (void) tif; + + fld = (TIFFFieldInfo *) _TIFFmalloc(sizeof (TIFFFieldInfo)); + if (fld == NULL) + return NULL; + _TIFFmemset( fld, 0, sizeof(TIFFFieldInfo) ); + + fld->field_tag = tag; + fld->field_readcount = TIFF_VARIABLE2; + fld->field_writecount = TIFF_VARIABLE2; + fld->field_type = field_type; + 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; + } + + /* + * note that this name is a special sign to TIFFClose() and + * _TIFFSetupFieldInfo() to free the field + */ + sprintf(fld->field_name, "Tag %d", (int) tag); + + return fld; +} + +/* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ |