/* Id */ /* * 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. */ #ifndef _TIFFDIR_ #define _TIFFDIR_ /* * ``Library-private'' Directory-related Definitions. */ /* * Internal format of a TIFF directory entry. */ typedef struct { #define FIELD_SETLONGS 4 /* bit vector of fields that are set */ unsigned long td_fieldsset[FIELD_SETLONGS]; uint32 td_imagewidth, td_imagelength, td_imagedepth; uint32 td_tilewidth, td_tilelength, td_tiledepth; uint32 td_subfiletype; uint16 td_bitspersample; uint16 td_sampleformat; uint16 td_compression; uint16 td_photometric; uint16 td_threshholding; uint16 td_fillorder; uint16 td_orientation; uint16 td_samplesperpixel; uint32 td_rowsperstrip; uint16 td_minsamplevalue, td_maxsamplevalue; double td_sminsamplevalue, td_smaxsamplevalue; float td_xresolution, td_yresolution; uint16 td_resolutionunit; uint16 td_planarconfig; float td_xposition, td_yposition; uint16 td_pagenumber[2]; uint16* td_colormap[3]; uint16 td_halftonehints[2]; uint16 td_extrasamples; uint16* td_sampleinfo; tstrip_t td_stripsperimage; tstrip_t td_nstrips; /* size of offset & bytecount arrays */ uint32* td_stripoffset; uint32* td_stripbytecount; int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */ uint16 td_nsubifd; uint32* td_subifd; /* YCbCr parameters */ uint16 td_ycbcrsubsampling[2]; uint16 td_ycbcrpositioning; /* Colorimetry parameters */ uint16* td_transferfunction[3]; /* CMYK parameters */ int td_inknameslen; char* td_inknames; int td_customValueCount; TIFFTagValue *td_customValues; } TIFFDirectory; /* * Field flags used to indicate fields that have * been set in a directory, and to reference fields * when manipulating a directory. */ /* * FIELD_IGNORE is used to signify tags that are to * be processed but otherwise ignored. This permits * antiquated tags to be quietly read and discarded. * Note that a bit *is* allocated for ignored tags; * this is understood by the directory reading logic * which uses this fact to avoid special-case handling */ #define FIELD_IGNORE 0 /* multi-item fields */ #define FIELD_IMAGEDIMENSIONS 1 #define FIELD_TILEDIMENSIONS 2 #define FIELD_RESOLUTION 3 #define FIELD_POSITION 4 /* single-item fields */ #define FIELD_SUBFILETYPE 5 #define FIELD_BITSPERSAMPLE 6 #define FIELD_COMPRESSION 7 #define FIELD_PHOTOMETRIC 8 #define FIELD_THRESHHOLDING 9 #define FIELD_FILLORDER 10 #define FIELD_ORIENTATION 15 #define FIELD_SAMPLESPERPIXEL 16 #define FIELD_ROWSPERSTRIP 17 #define FIELD_MINSAMPLEVALUE 18 #define FIELD_MAXSAMPLEVALUE 19 #define FIELD_PLANARCONFIG 20 #define FIELD_RESOLUTIONUNIT 22 #define FIELD_PAGENUMBER 23 #define FIELD_STRIPBYTECOUNTS 24 #define FIELD_STRIPOFFSETS 25 #define FIELD_COLORMAP 26 #define FIELD_EXTRASAMPLES 31 #define FIELD_SAMPLEFORMAT 32 #define FIELD_SMINSAMPLEVALUE 33 #define FIELD_SMAXSAMPLEVALUE 34 #define FIELD_IMAGEDEPTH 35 #define FIELD_TILEDEPTH 36 #define FIELD_HALFTONEHINTS 37 #define FIELD_YCBCRSUBSAMPLING 39 #define FIELD_YCBCRPOSITIONING 40 #define FIELD_TRANSFERFUNCTION 44 #define FIELD_INKNAMES 46 #define FIELD_SUBIFD 49 /* FIELD_CUSTOM (see tiffio.h) 65 */ /* end of support for well-known tags; codec-private tags follow */ #define FIELD_CODEC 66 /* base of codec-private tags */ /* * Pseudo-tags don't normally need field bits since they * are not written to an output file (by definition). * The library also has express logic to always query a * codec for a pseudo-tag so allocating a field bit for * one is a waste. If codec wants to promote the notion * of a pseudo-tag being ``set'' or ``unset'' then it can * do using internal state flags without polluting the * field bit space defined for real tags. */ #define FIELD_PSEUDO 0 #define FIELD_LAST (32*FIELD_SETLONGS-1) #define TIFFExtractData(tif, type, v) \ ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ ((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \ (v) & (tif)->tif_typemask[type])) #define TIFFInsertData(tif, type, v) \ ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ ((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \ (v) & (tif)->tif_typemask[type])) #define BITn(n) (((unsigned long)1L)<<((n)&0x1f)) #define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32]) #define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field)) #define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field)) #define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field)) #define FieldSet(fields, f) (fields[(f)/32] & BITn(f)) #define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f)) #if defined(__cplusplus) extern "C" { #endif extern const TIFFFieldInfo *_TIFFGetFieldInfo(size_t *); extern const TIFFFieldInfo *_TIFFGetExifFieldInfo(size_t *); extern void _TIFFSetupFieldInfo(TIFF*, const TIFFFieldInfo[], size_t); extern void _TIFFPrintFieldInfo(TIFF*, FILE*); extern TIFFDataType _TIFFSampleToTagType(TIFF*); extern const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif, ttag_t tag, TIFFDataType dt ); extern TIFFFieldInfo* _TIFFCreateAnonFieldInfo( TIFF *tif, ttag_t tag, TIFFDataType dt ); #define _TIFFMergeFieldInfo vtk_TIFFMergeFieldInfo #define _TIFFFindFieldInfo vtk_TIFFFindFieldInfo #define _TIFFFindFieldInfoByName vtk_TIFFFindFieldInfoByName #define _TIFFFieldWithTag vtk_TIFFFieldWithTag #define _TIFFFieldWithName vtk_TIFFFieldWithName #if defined(__cplusplus) } #endif #endif /* _TIFFDIR_ */ /* vim: set ts=8 sts=8 sw=8 noet: */