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- /*
- * 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.
- */
-
- /* $Id: tif_dir.h,v 1.3 2001/03/21 10:41:18 rjs Exp $ */
-
- #ifndef _TIFFDIR_
- #define _TIFFDIR_
- /*
- * ``Library-private'' Directory-related Definitions.
- */
-
- /*
- * Internal format of a TIFF directory entry.
- */
- typedef struct {
- #define FIELD_SETLONGS 3
- /* bit vector of fields that are set */
- u_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;
- double td_stonits;
- char* td_documentname;
- char* td_artist;
- char* td_datetime;
- char* td_hostcomputer;
- char* td_imagedescription;
- char* td_make;
- char* td_model;
- char* td_software;
- char* td_pagename;
- tstrip_t td_stripsperimage;
- tstrip_t td_nstrips; /* size of offset & bytecount arrays */
- uint32* td_stripoffset;
- uint32* td_stripbytecount;
- #if SUBIFD_SUPPORT
- uint16 td_nsubifd;
- uint32* td_subifd;
- #endif
- #ifdef YCBCR_SUPPORT
- float* td_ycbcrcoeffs;
- uint16 td_ycbcrsubsampling[2];
- uint16 td_ycbcrpositioning;
- #endif
- #ifdef COLORIMETRY_SUPPORT
- float* td_whitepoint;
- float* td_primarychromas;
- float* td_refblackwhite;
- uint16* td_transferfunction[3];
- #endif
- #ifdef CMYK_SUPPORT
- uint16 td_inkset;
- uint16 td_ninks;
- uint16 td_dotrange[2];
- int td_inknameslen;
- char* td_inknames;
- char* td_targetprinter;
- #endif
- #ifdef ICC_SUPPORT
- uint32 td_profileLength;
- void *td_profileData;
- #endif
- #ifdef PHOTOSHOP_SUPPORT
- uint32 td_photoshopLength;
- void *td_photoshopData;
- #endif
- #ifdef IPTC_SUPPORT
- uint32 td_richtiffiptcLength;
- void *td_richtiffiptcData;
- #endif
- /* Begin Pixar Tag values. */
- uint32 td_imagefullwidth, td_imagefulllength;
- char* td_textureformat;
- char* td_wrapmodes;
- float td_fovcot;
- float* td_matrixWorldToScreen;
- float* td_matrixWorldToCamera;
- /* End Pixar Tag Values. */
- } 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_DOCUMENTNAME 11
- #define FIELD_IMAGEDESCRIPTION 12
- #define FIELD_MAKE 13
- #define FIELD_MODEL 14
- #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_PAGENAME 21
- #define FIELD_RESOLUTIONUNIT 22
- #define FIELD_PAGENUMBER 23
- #define FIELD_STRIPBYTECOUNTS 24
- #define FIELD_STRIPOFFSETS 25
- #define FIELD_COLORMAP 26
- #define FIELD_ARTIST 27
- #define FIELD_DATETIME 28
- #define FIELD_HOSTCOMPUTER 29
- #define FIELD_SOFTWARE 30
- #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_YCBCRCOEFFICIENTS 38
- #define FIELD_YCBCRSUBSAMPLING 39
- #define FIELD_YCBCRPOSITIONING 40
- #define FIELD_REFBLACKWHITE 41
- #define FIELD_WHITEPOINT 42
- #define FIELD_PRIMARYCHROMAS 43
- #define FIELD_TRANSFERFUNCTION 44
- #define FIELD_INKSET 45
- #define FIELD_INKNAMES 46
- #define FIELD_DOTRANGE 47
- #define FIELD_TARGETPRINTER 48
- #define FIELD_SUBIFD 49
- #define FIELD_NUMBEROFINKS 50
- #define FIELD_ICCPROFILE 51
- #define FIELD_PHOTOSHOP 52
- #define FIELD_RICHTIFFIPTC 53
- #define FIELD_STONITS 54
- /* Begin PIXAR */
- #define FIELD_IMAGEFULLWIDTH 55
- #define FIELD_IMAGEFULLLENGTH 56
- #define FIELD_TEXTUREFORMAT 57
- #define FIELD_WRAPMODES 58
- #define FIELD_FOVCOT 59
- #define FIELD_MATRIX_WORLDTOSCREEN 60
- #define FIELD_MATRIX_WORLDTOCAMERA 61
- /* end of support for well-known tags; codec-private tags follow */
- #define FIELD_CODEC 62 /* 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]))
-
- typedef struct {
- ttag_t field_tag; /* field's tag */
- short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */
- short field_writecount; /* write count/TIFF_VARIABLE */
- TIFFDataType field_type; /* type of associated data */
- u_short field_bit; /* bit in fieldsset bit vector */
- u_char field_oktochange; /* if true, can change while writing */
- u_char field_passcount; /* if true, pass dir count on set */
- char *field_name; /* ASCII name */
- } TIFFFieldInfo;
-
- #define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */
- #define TIFF_VARIABLE -1 /* marker for variable length tags */
- #define TIFF_SPP -2 /* marker for SamplesPerPixel tags */
- #define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */
-
- extern const int tiffDataWidth[]; /* table of tag datatype widths */
-
- #define BITn(n) (((u_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 void _TIFFSetupFieldInfo(TIFF*);
- extern void _TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int);
- extern void _TIFFPrintFieldInfo(TIFF*, FILE*);
- extern const TIFFFieldInfo* _TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType);
- extern const TIFFFieldInfo* _TIFFFieldWithTag(TIFF*, ttag_t);
- extern TIFFDataType _TIFFSampleToTagType(TIFF*);
- #if defined(__cplusplus)
- }
- #endif
- #endif /* _TIFFDIR_ */
-