| /* $Id: tif_dirinfo.c,v 1.65.2.7 2009-09-17 18:00:28 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_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" }, |
| { 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: */ |