1 /* PDFlib GmbH cvsid: $Id: tif_dir.h,v 1.10 2005/12/21 14:12:52 rjs Exp $ */ 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 */ 36 typedef struct { 37 #define FIELD_SETLONGS 4 38 /* bit vector of fields that are set */ 39 unsigned 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 char* td_opiimageid; 62 uint16 td_halftonehints[2]; 63 uint16 td_extrasamples; 64 uint16* td_sampleinfo; 65 double td_stonits; 66 tstrip_t td_stripsperimage; 67 tstrip_t td_nstrips; /* size of offset & bytecount arrays */ 68 uint32* td_stripoffset; 69 uint32* td_stripbytecount; 70 int td_stripbytecountsorted; 71 /* is the bytecount array sorted ascending? */ 72 uint16 td_nsubifd; 73 uint32* td_subifd; 74 /* YCbCr parameters */ 75 float* td_ycbcrcoeffs; 76 uint16 td_ycbcrsubsampling[2]; 77 uint16 td_ycbcrpositioning; 78 /* Colorimetry parameters */ 79 float* td_whitepoint; 80 float* td_refblackwhite; 81 uint16* td_transferfunction[3]; 82 /* CMYK parameters */ 83 uint16 td_inkset; 84 uint16 td_ninks; 85 uint16 td_dotrange[2]; 86 int td_inknameslen; 87 char* td_inknames; 88 /* ICC parameters */ 89 uint32 td_profileLength; 90 void *td_profileData; 91 /* Adobe Photoshop tag handling */ 92 uint32 td_photoshopLength; 93 void *td_photoshopData; 94 /* IPTC parameters */ 95 uint32 td_richtiffiptcLength; 96 void *td_richtiffiptcData; 97 uint32 td_xmlpacketLength; 98 void *td_xmlpacketData; 99 int td_customValueCount; 100 TIFFTagValue *td_customValues; 101 } TIFFDirectory; 102 103 /* 104 * Field flags used to indicate fields that have 105 * been set in a directory, and to reference fields 106 * when manipulating a directory. 107 */ 108 109 /* 110 * FIELD_IGNORE is used to signify tags that are to 111 * be processed but otherwise ignored. This permits 112 * antiquated tags to be quietly read and discarded. 113 * Note that a bit *is* allocated for ignored tags; 114 * this is understood by the directory reading logic 115 * which uses this fact to avoid special-case handling 116 */ 117 #define FIELD_IGNORE 0 118 119 /* multi-item fields */ 120 #define FIELD_IMAGEDIMENSIONS 1 121 #define FIELD_TILEDIMENSIONS 2 122 #define FIELD_RESOLUTION 3 123 #define FIELD_POSITION 4 124 125 /* single-item fields */ 126 #define FIELD_SUBFILETYPE 5 127 #define FIELD_BITSPERSAMPLE 6 128 #define FIELD_COMPRESSION 7 129 #define FIELD_PHOTOMETRIC 8 130 #define FIELD_THRESHHOLDING 9 131 #define FIELD_FILLORDER 10 132 /* unused - was FIELD_DOCUMENTNAME 11 */ 133 /* unused - was FIELD_IMAGEDESCRIPTION 12 */ 134 /* unused - was FIELD_MAKE 13 */ 135 /* unused - was FIELD_MODEL 14 */ 136 #define FIELD_ORIENTATION 15 137 #define FIELD_SAMPLESPERPIXEL 16 138 #define FIELD_ROWSPERSTRIP 17 139 #define FIELD_MINSAMPLEVALUE 18 140 #define FIELD_MAXSAMPLEVALUE 19 141 #define FIELD_PLANARCONFIG 20 142 /* unused - was FIELD_PAGENAME 21 */ 143 #define FIELD_RESOLUTIONUNIT 22 144 #define FIELD_PAGENUMBER 23 145 #define FIELD_STRIPBYTECOUNTS 24 146 #define FIELD_STRIPOFFSETS 25 147 #define FIELD_COLORMAP 26 148 /* unused - was FIELD_ARTIST 27 */ 149 /* unused - was FIELD_DATETIME 28 */ 150 /* unused - was FIELD_HOSTCOMPUTER 29 */ 151 /* unused - was FIELD_SOFTWARE 30 */ 152 #define FIELD_OPIIMAGEID 30 153 #define FIELD_EXTRASAMPLES 31 154 #define FIELD_SAMPLEFORMAT 32 155 #define FIELD_SMINSAMPLEVALUE 33 156 #define FIELD_SMAXSAMPLEVALUE 34 157 #define FIELD_IMAGEDEPTH 35 158 #define FIELD_TILEDEPTH 36 159 #define FIELD_HALFTONEHINTS 37 160 #define FIELD_YCBCRCOEFFICIENTS 38 161 #define FIELD_YCBCRSUBSAMPLING 39 162 #define FIELD_YCBCRPOSITIONING 40 163 #define FIELD_REFBLACKWHITE 41 164 #define FIELD_WHITEPOINT 42 165 /* unused - was FIELD_PRIMARYCHROMAS 43 */ 166 #define FIELD_TRANSFERFUNCTION 44 167 #define FIELD_INKSET 45 168 #define FIELD_INKNAMES 46 169 #define FIELD_DOTRANGE 47 170 /* unused - was FIELD_TARGETPRINTER 48 */ 171 #define FIELD_SUBIFD 49 172 #define FIELD_NUMBEROFINKS 50 173 #define FIELD_ICCPROFILE 51 174 #define FIELD_PHOTOSHOP 52 175 #define FIELD_RICHTIFFIPTC 53 176 #define FIELD_STONITS 54 177 /* unused - was FIELD_IMAGEFULLWIDTH 55 */ 178 /* unused - was FIELD_IMAGEFULLLENGTH 56 */ 179 /* unused - was FIELD_TEXTUREFORMAT 57 */ 180 /* unused - was FIELD_WRAPMODES 58 */ 181 /* unused - was FIELD_FOVCOT 59 */ 182 /* unused - was FIELD_MATRIX_WORLDTOSCREEN 60 */ 183 /* unused - was FIELD_MATRIX_WORLDTOCAMERA 61 */ 184 /* unused - was FIELD_COPYRIGHT 62 */ 185 #define FIELD_XMLPACKET 63 186 /* FIELD_CUSTOM (see tiffio.h) 65 */ 187 /* end of support for well-known tags; codec-private tags follow */ 188 #define FIELD_CODEC 66 /* base of codec-private tags */ 189 190 191 /* 192 * Pseudo-tags don't normally need field bits since they 193 * are not written to an output file (by definition). 194 * The library also has express logic to always query a 195 * codec for a pseudo-tag so allocating a field bit for 196 * one is a waste. If codec wants to promote the notion 197 * of a pseudo-tag being ``set'' or ``unset'' then it can 198 * do using internal state flags without polluting the 199 * field bit space defined for real tags. 200 */ 201 #define FIELD_PSEUDO 0 202 203 #define FIELD_LAST (32*FIELD_SETLONGS-1) 204 205 #define TIFFExtractData(tif, type, v) \ 206 ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ 207 ((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \ 208 (v) & (tif)->tif_typemask[type])) 209 #define TIFFInsertData(tif, type, v) \ 210 ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ 211 ((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \ 212 (v) & (tif)->tif_typemask[type])) 213 214 215 #define BITn(n) (((unsigned long)1L)<<((n)&0x1f)) 216 #define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32]) 217 #define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field)) 218 #define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field)) 219 #define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field)) 220 221 #define FieldSet(fields, f) (fields[(f)/32] & BITn(f)) 222 #define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f)) 223 224 #if defined(__cplusplus) 225 extern "C" { 226 #endif 227 extern void _TIFFSetupFieldInfo(TIFF*); 228 extern void _TIFFPrintFieldInfo(TIFF*, FILE*); 229 extern TIFFDataType _TIFFSampleToTagType(TIFF*); 230 extern const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif, 231 ttag_t tag, 232 TIFFDataType dt ); 233 extern TIFFFieldInfo* _TIFFCreateAnonFieldInfo( TIFF *tif, ttag_t tag, 234 TIFFDataType dt ); 235 236 #define _TIFFMergeFieldInfo TIFFMergeFieldInfo 237 #define _TIFFFindFieldInfo TIFFFindFieldInfo 238 #define _TIFFFindFieldInfoByName TIFFFindFieldInfoByName 239 #define _TIFFFieldWithTag TIFFFieldWithTag 240 #define _TIFFFieldWithName TIFFFieldWithName 241 242 #if defined(__cplusplus) 243 } 244 #endif 245 #endif /* _TIFFDIR_ */ 246 247 /* vim: set ts=8 sts=8 sw=8 noet: */ 248