/* $Header: C:\\RCS\\D\\FreeImage\\Source\\LibTIFF\\tif_dir.h,v 1.0 2001-04-13 00:42:30+02 floris_van_den_berg Exp floris_van_den_berg $ */
/*
* 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 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_ */
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