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/* $Id: tif_dir.h,v 1.30.2.1 2007/04/07 14:58:30 dron Exp $ */
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* Copyright (c) 1988-1997 Sam Leffler
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* Copyright (c) 1991-1997 Silicon Graphics, Inc.
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* ``Library-private'' Directory-related Definitions.
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* Internal format of a TIFF directory entry.
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#define FIELD_SETLONGS 4
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/* bit vector of fields that are set */
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unsigned long td_fieldsset[FIELD_SETLONGS];
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uint32 td_imagewidth, td_imagelength, td_imagedepth;
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uint32 td_tilewidth, td_tilelength, td_tiledepth;
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uint32 td_subfiletype;
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uint16 td_bitspersample;
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uint16 td_sampleformat;
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uint16 td_compression;
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uint16 td_photometric;
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uint16 td_threshholding;
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uint16 td_orientation;
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uint16 td_samplesperpixel;
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uint32 td_rowsperstrip;
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uint16 td_minsamplevalue, td_maxsamplevalue;
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double td_sminsamplevalue, td_smaxsamplevalue;
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float td_xresolution, td_yresolution;
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uint16 td_resolutionunit;
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uint16 td_planarconfig;
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float td_xposition, td_yposition;
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uint16 td_pagenumber[2];
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uint16* td_colormap[3];
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uint16 td_halftonehints[2];
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uint16 td_extrasamples;
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uint16* td_sampleinfo;
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/* even though the name is misleading, td_stripsperimage is the number
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* of striles (=strips or tiles) per plane, and td_nstrips the total
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* number of striles */
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tstrile_t td_stripsperimage;
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tstrile_t td_nstrips; /* size of offset & bytecount arrays */
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toff_t* td_stripoffset;
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toff_t* td_stripbytecount; /* FIXME: it should be tsize_t array */
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int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */
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/* YCbCr parameters */
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uint16 td_ycbcrsubsampling[2];
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uint16 td_ycbcrpositioning;
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/* Colorimetry parameters */
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uint16* td_transferfunction[3];
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int td_customValueCount;
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TIFFTagValue *td_customValues;
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* Field flags used to indicate fields that have
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* been set in a directory, and to reference fields
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* when manipulating a directory.
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* FIELD_IGNORE is used to signify tags that are to
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* be processed but otherwise ignored. This permits
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* antiquated tags to be quietly read and discarded.
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* Note that a bit *is* allocated for ignored tags;
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* this is understood by the directory reading logic
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* which uses this fact to avoid special-case handling
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#define FIELD_IGNORE 0
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/* multi-item fields */
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#define FIELD_IMAGEDIMENSIONS 1
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#define FIELD_TILEDIMENSIONS 2
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#define FIELD_RESOLUTION 3
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#define FIELD_POSITION 4
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/* single-item fields */
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#define FIELD_SUBFILETYPE 5
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#define FIELD_BITSPERSAMPLE 6
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#define FIELD_COMPRESSION 7
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#define FIELD_PHOTOMETRIC 8
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#define FIELD_THRESHHOLDING 9
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#define FIELD_FILLORDER 10
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#define FIELD_ORIENTATION 15
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#define FIELD_SAMPLESPERPIXEL 16
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#define FIELD_ROWSPERSTRIP 17
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#define FIELD_MINSAMPLEVALUE 18
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#define FIELD_MAXSAMPLEVALUE 19
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#define FIELD_PLANARCONFIG 20
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#define FIELD_RESOLUTIONUNIT 22
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#define FIELD_PAGENUMBER 23
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#define FIELD_STRIPBYTECOUNTS 24
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#define FIELD_STRIPOFFSETS 25
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#define FIELD_COLORMAP 26
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#define FIELD_EXTRASAMPLES 31
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#define FIELD_SAMPLEFORMAT 32
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#define FIELD_SMINSAMPLEVALUE 33
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#define FIELD_SMAXSAMPLEVALUE 34
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#define FIELD_IMAGEDEPTH 35
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#define FIELD_TILEDEPTH 36
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#define FIELD_HALFTONEHINTS 37
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#define FIELD_YCBCRSUBSAMPLING 39
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#define FIELD_YCBCRPOSITIONING 40
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#define FIELD_TRANSFERFUNCTION 44
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#define FIELD_INKNAMES 46
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#define FIELD_SUBIFD 49
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/* FIELD_CUSTOM (see tiffio.h) 65 */
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/* end of support for well-known tags; codec-private tags follow */
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#define FIELD_CODEC 66 /* base of codec-private tags */
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* Pseudo-tags don't normally need field bits since they
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* are not written to an output file (by definition).
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* The library also has express logic to always query a
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* codec for a pseudo-tag so allocating a field bit for
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* one is a waste. If codec wants to promote the notion
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* of a pseudo-tag being ``set'' or ``unset'' then it can
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* do using internal state flags without polluting the
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* field bit space defined for real tags.
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#define FIELD_PSEUDO 0
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#define FIELD_LAST (32*FIELD_SETLONGS-1)
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#define TIFFExtractData(tif, type, v) \
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((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
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((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \
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(v) & (tif)->tif_typemask[type]))
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#define TIFFInsertData(tif, type, v) \
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((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
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((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \
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(v) & (tif)->tif_typemask[type]))
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#define BITn(n) (((unsigned long)1L)<<((n)&0x1f))
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#define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32])
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#define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field))
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#define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field))
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#define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field))
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#define FieldSet(fields, f) (fields[(f)/32] & BITn(f))
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#define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f))
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#if defined(__cplusplus)
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extern const TIFFFieldInfo *_TIFFGetFieldInfo(size_t *);
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extern const TIFFFieldInfo *_TIFFGetExifFieldInfo(size_t *);
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extern void _TIFFSetupFieldInfo(TIFF*, const TIFFFieldInfo[], size_t);
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extern int _TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int);
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extern void _TIFFPrintFieldInfo(TIFF*, FILE*);
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extern TIFFDataType _TIFFSampleToTagType(TIFF*);
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extern const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif,
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extern TIFFFieldInfo* _TIFFCreateAnonFieldInfo( TIFF *tif, ttag_t tag,
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#define _TIFFFindFieldInfo TIFFFindFieldInfo
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#define _TIFFFindFieldInfoByName TIFFFindFieldInfoByName
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#define _TIFFFieldWithTag TIFFFieldWithTag
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#define _TIFFFieldWithName TIFFFieldWithName
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#if defined(__cplusplus)
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#endif /* _TIFFDIR_ */
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/* vim: set ts=8 sts=8 sw=8 noet: */
added
removed
libtiff/tif_dir.h
