1/* $Header$ */ 2 3/* 4 * Copyright (c) 1988-1997 Sam Leffler 5 * Copyright (c) 1991-1997 Silicon Graphics, Inc. 6 * 7 * Permission to use, copy, modify, distribute, and sell this software and 8 * its documentation for any purpose is hereby granted without fee, provided 9 * that (i) the above copyright notices and this permission notice appear in 10 * all copies of the software and related documentation, and (ii) the names of 11 * Sam Leffler and Silicon Graphics may not be used in any advertising or 12 * publicity relating to the software without the specific, prior written 13 * permission of Sam Leffler and Silicon Graphics. 14 * 15 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 17 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. 18 * 19 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR 20 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, 21 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 22 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 24 * OF THIS SOFTWARE. 25 */ 26 27#ifndef _TIFFDIR_ 28#define _TIFFDIR_ 29/* 30 * ``Library-private'' Directory-related Definitions. 31 */ 32 33/* 34 * Internal format of a TIFF directory entry. 35 */ 36typedef struct { 37#define FIELD_SETLONGS 4 38 /* bit vector of fields that are set */ 39 u_long td_fieldsset[FIELD_SETLONGS]; 40 41 uint32 td_imagewidth, td_imagelength, td_imagedepth; 42 uint32 td_tilewidth, td_tilelength, td_tiledepth; 43 uint32 td_subfiletype; 44 uint16 td_bitspersample; 45 uint16 td_sampleformat; 46 uint16 td_compression; 47 uint16 td_photometric; 48 uint16 td_threshholding; 49 uint16 td_fillorder; 50 uint16 td_orientation; 51 uint16 td_samplesperpixel; 52 uint32 td_rowsperstrip; 53 uint16 td_minsamplevalue, td_maxsamplevalue; 54 double td_sminsamplevalue, td_smaxsamplevalue; 55 float td_xresolution, td_yresolution; 56 uint16 td_resolutionunit; 57 uint16 td_planarconfig; 58 float td_xposition, td_yposition; 59 uint16 td_pagenumber[2]; 60 uint16* td_colormap[3]; 61 uint16 td_halftonehints[2]; 62 uint16 td_extrasamples; 63 uint16* td_sampleinfo; 64 double td_stonits; 65 char* td_documentname; 66 char* td_artist; 67 char* td_datetime; 68 char* td_hostcomputer; 69 char* td_imagedescription; 70 char* td_make; 71 char* td_model; 72 char* td_copyright; 73 char* td_pagename; 74 tstrip_t td_stripsperimage; 75 tstrip_t td_nstrips; /* size of offset & bytecount arrays */ 76 uint32* td_stripoffset; 77 uint32* td_stripbytecount; 78#if SUBIFD_SUPPORT 79 uint16 td_nsubifd; 80 uint32* td_subifd; 81#endif 82#ifdef YCBCR_SUPPORT 83 float* td_ycbcrcoeffs; 84 uint16 td_ycbcrsubsampling[2]; 85 uint16 td_ycbcrpositioning; 86#endif 87#ifdef COLORIMETRY_SUPPORT 88 float* td_whitepoint; 89 float* td_primarychromas; 90 float* td_refblackwhite; 91 uint16* td_transferfunction[3]; 92#endif 93#ifdef CMYK_SUPPORT 94 uint16 td_inkset; 95 uint16 td_ninks; 96 uint16 td_dotrange[2]; 97 int td_inknameslen; 98 char* td_inknames; 99 char* td_targetprinter; 100#endif 101#ifdef ICC_SUPPORT 102 uint32 td_profileLength; 103 void *td_profileData; 104#endif 105#ifdef PHOTOSHOP_SUPPORT 106 uint32 td_photoshopLength; 107 void *td_photoshopData; 108#endif 109#ifdef IPTC_SUPPORT 110 uint32 td_richtiffiptcLength; 111 void *td_richtiffiptcData; 112#endif 113 /* Begin Pixar Tag values. */ 114 uint32 td_imagefullwidth, td_imagefulllength; 115 char* td_textureformat; 116 char* td_wrapmodes; 117 float td_fovcot; 118 float* td_matrixWorldToScreen; 119 float* td_matrixWorldToCamera; 120 /* End Pixar Tag Values. */ 121 uint32 td_xmlpacketLength; 122 void *td_xmlpacketData; 123 int td_customValueCount; 124 TIFFTagValue *td_customValues; 125} TIFFDirectory; 126 127/* 128 * Field flags used to indicate fields that have 129 * been set in a directory, and to reference fields 130 * when manipulating a directory. 131 */ 132 133/* 134 * FIELD_IGNORE is used to signify tags that are to 135 * be processed but otherwise ignored. This permits 136 * antiquated tags to be quietly read and discarded. 137 * Note that a bit *is* allocated for ignored tags; 138 * this is understood by the directory reading logic 139 * which uses this fact to avoid special-case handling 140 */ 141#define FIELD_IGNORE 0 142 143/* multi-item fields */ 144#define FIELD_IMAGEDIMENSIONS 1 145#define FIELD_TILEDIMENSIONS 2 146#define FIELD_RESOLUTION 3 147#define FIELD_POSITION 4 148 149/* single-item fields */ 150#define FIELD_SUBFILETYPE 5 151#define FIELD_BITSPERSAMPLE 6 152#define FIELD_COMPRESSION 7 153#define FIELD_PHOTOMETRIC 8 154#define FIELD_THRESHHOLDING 9 155#define FIELD_FILLORDER 10 156#define FIELD_DOCUMENTNAME 11 157#define FIELD_IMAGEDESCRIPTION 12 158#define FIELD_MAKE 13 159#define FIELD_MODEL 14 160#define FIELD_ORIENTATION 15 161#define FIELD_SAMPLESPERPIXEL 16 162#define FIELD_ROWSPERSTRIP 17 163#define FIELD_MINSAMPLEVALUE 18 164#define FIELD_MAXSAMPLEVALUE 19 165#define FIELD_PLANARCONFIG 20 166#define FIELD_PAGENAME 21 167#define FIELD_RESOLUTIONUNIT 22 168#define FIELD_PAGENUMBER 23 169#define FIELD_STRIPBYTECOUNTS 24 170#define FIELD_STRIPOFFSETS 25 171#define FIELD_COLORMAP 26 172#define FIELD_ARTIST 27 173#define FIELD_DATETIME 28 174#define FIELD_HOSTCOMPUTER 29 175/* unused - was FIELD_SOFTWARE 30 */ 176#define FIELD_EXTRASAMPLES 31 177#define FIELD_SAMPLEFORMAT 32 178#define FIELD_SMINSAMPLEVALUE 33 179#define FIELD_SMAXSAMPLEVALUE 34 180#define FIELD_IMAGEDEPTH 35 181#define FIELD_TILEDEPTH 36 182#define FIELD_HALFTONEHINTS 37 183#define FIELD_YCBCRCOEFFICIENTS 38 184#define FIELD_YCBCRSUBSAMPLING 39 185#define FIELD_YCBCRPOSITIONING 40 186#define FIELD_REFBLACKWHITE 41 187#define FIELD_WHITEPOINT 42 188#define FIELD_PRIMARYCHROMAS 43 189#define FIELD_TRANSFERFUNCTION 44 190#define FIELD_INKSET 45 191#define FIELD_INKNAMES 46 192#define FIELD_DOTRANGE 47 193#define FIELD_TARGETPRINTER 48 194#define FIELD_SUBIFD 49 195#define FIELD_NUMBEROFINKS 50 196#define FIELD_ICCPROFILE 51 197#define FIELD_PHOTOSHOP 52 198#define FIELD_RICHTIFFIPTC 53 199#define FIELD_STONITS 54 200/* Begin PIXAR */ 201#define FIELD_IMAGEFULLWIDTH 55 202#define FIELD_IMAGEFULLLENGTH 56 203#define FIELD_TEXTUREFORMAT 57 204#define FIELD_WRAPMODES 58 205#define FIELD_FOVCOT 59 206#define FIELD_MATRIX_WORLDTOSCREEN 60 207#define FIELD_MATRIX_WORLDTOCAMERA 61 208#define FIELD_COPYRIGHT 62 209#define FIELD_XMLPACKET 63 210/* FIELD_CUSTOM (see tiffio.h) 65 */ 211/* end of support for well-known tags; codec-private tags follow */ 212#define FIELD_CODEC 66 /* base of codec-private tags */ 213 214 215/* 216 * Pseudo-tags don't normally need field bits since they 217 * are not written to an output file (by definition). 218 * The library also has express logic to always query a 219 * codec for a pseudo-tag so allocating a field bit for 220 * one is a waste. If codec wants to promote the notion 221 * of a pseudo-tag being ``set'' or ``unset'' then it can 222 * do using internal state flags without polluting the 223 * field bit space defined for real tags. 224 */ 225#define FIELD_PSEUDO 0 226 227#define FIELD_LAST (32*FIELD_SETLONGS-1) 228 229#define TIFFExtractData(tif, type, v) \ 230 ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ 231 ((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \ 232 (v) & (tif)->tif_typemask[type])) 233#define TIFFInsertData(tif, type, v) \ 234 ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ 235 ((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \ 236 (v) & (tif)->tif_typemask[type])) 237 238 239#define BITn(n) (((u_long)1L)<<((n)&0x1f)) 240#define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32]) 241#define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field)) 242#define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field)) 243#define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field)) 244 245#define FieldSet(fields, f) (fields[(f)/32] & BITn(f)) 246#define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f)) 247 248#if defined(__cplusplus) 249extern "C" { 250#endif 251extern void _TIFFSetupFieldInfo(TIFF*); 252extern void _TIFFPrintFieldInfo(TIFF*, FILE*); 253extern TIFFDataType _TIFFSampleToTagType(TIFF*); 254extern const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif, 255 ttag_t tag, 256 TIFFDataType dt ); 257extern TIFFFieldInfo* _TIFFCreateAnonFieldInfo( TIFF *tif, ttag_t tag, 258 TIFFDataType dt ); 259 260#define _TIFFMergeFieldInfo TIFFMergeFieldInfo 261#define _TIFFFindFieldInfo TIFFFindFieldInfo 262#define _TIFFFieldWithTag TIFFFieldWithTag 263 264#if defined(__cplusplus) 265} 266#endif 267#endif /* _TIFFDIR_ */ 268