/* $Header: /usr/local/cvs/internal/libtiff/libtiff/tif_dir.h,v 1.1.1.1 1999/07/27 21:50:27 mike 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. */ #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 } 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 /* end of support for well-known tags; codec-private tags follow */ #define FIELD_CODEC 55 /* 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_ */