1 /* $Id: tif_dir.h,v 1.1 2005-06-17 13:54:52 vp153 Exp $ */
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
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.
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.
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
30 * ``Library-private'' Directory-related Definitions.
34 * Internal format of a TIFF directory entry.
37 #define FIELD_SETLONGS 4
38 /* bit vector of fields that are set */
39 unsigned long td_fieldsset[FIELD_SETLONGS];
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;
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;
65 char* td_documentname;
68 char* td_hostcomputer;
69 char* td_imagedescription;
74 tstrip_t td_stripsperimage;
75 tstrip_t td_nstrips; /* size of offset & bytecount arrays */
76 uint32* td_stripoffset;
77 uint32* td_stripbytecount;
78 int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */
81 /* YCbCr parameters */
82 float* td_ycbcrcoeffs;
83 uint16 td_ycbcrsubsampling[2];
84 uint16 td_ycbcrpositioning;
85 /* Colorimetry parameters */
87 float* td_primarychromas;
88 float* td_refblackwhite;
89 uint16* td_transferfunction[3];
93 uint16 td_dotrange[2];
96 char* td_targetprinter;
98 uint32 td_profileLength;
100 /* Adobe Photoshop tag handling */
101 uint32 td_photoshopLength;
102 void *td_photoshopData;
103 /* IPTC parameters */
104 uint32 td_richtiffiptcLength;
105 void *td_richtiffiptcData;
106 /* Begin Pixar Tag values. */
107 uint32 td_imagefullwidth, td_imagefulllength;
108 char* td_textureformat;
111 float* td_matrixWorldToScreen;
112 float* td_matrixWorldToCamera;
113 /* End Pixar Tag Values. */
114 uint32 td_xmlpacketLength;
115 void *td_xmlpacketData;
116 int td_customValueCount;
117 TIFFTagValue *td_customValues;
121 * Field flags used to indicate fields that have
122 * been set in a directory, and to reference fields
123 * when manipulating a directory.
127 * FIELD_IGNORE is used to signify tags that are to
128 * be processed but otherwise ignored. This permits
129 * antiquated tags to be quietly read and discarded.
130 * Note that a bit *is* allocated for ignored tags;
131 * this is understood by the directory reading logic
132 * which uses this fact to avoid special-case handling
134 #define FIELD_IGNORE 0
136 /* multi-item fields */
137 #define FIELD_IMAGEDIMENSIONS 1
138 #define FIELD_TILEDIMENSIONS 2
139 #define FIELD_RESOLUTION 3
140 #define FIELD_POSITION 4
142 /* single-item fields */
143 #define FIELD_SUBFILETYPE 5
144 #define FIELD_BITSPERSAMPLE 6
145 #define FIELD_COMPRESSION 7
146 #define FIELD_PHOTOMETRIC 8
147 #define FIELD_THRESHHOLDING 9
148 #define FIELD_FILLORDER 10
149 #define FIELD_DOCUMENTNAME 11
150 #define FIELD_IMAGEDESCRIPTION 12
151 #define FIELD_MAKE 13
152 #define FIELD_MODEL 14
153 #define FIELD_ORIENTATION 15
154 #define FIELD_SAMPLESPERPIXEL 16
155 #define FIELD_ROWSPERSTRIP 17
156 #define FIELD_MINSAMPLEVALUE 18
157 #define FIELD_MAXSAMPLEVALUE 19
158 #define FIELD_PLANARCONFIG 20
159 #define FIELD_PAGENAME 21
160 #define FIELD_RESOLUTIONUNIT 22
161 #define FIELD_PAGENUMBER 23
162 #define FIELD_STRIPBYTECOUNTS 24
163 #define FIELD_STRIPOFFSETS 25
164 #define FIELD_COLORMAP 26
165 #define FIELD_ARTIST 27
166 #define FIELD_DATETIME 28
167 #define FIELD_HOSTCOMPUTER 29
168 /* unused - was FIELD_SOFTWARE 30 */
169 #define FIELD_EXTRASAMPLES 31
170 #define FIELD_SAMPLEFORMAT 32
171 #define FIELD_SMINSAMPLEVALUE 33
172 #define FIELD_SMAXSAMPLEVALUE 34
173 #define FIELD_IMAGEDEPTH 35
174 #define FIELD_TILEDEPTH 36
175 #define FIELD_HALFTONEHINTS 37
176 #define FIELD_YCBCRCOEFFICIENTS 38
177 #define FIELD_YCBCRSUBSAMPLING 39
178 #define FIELD_YCBCRPOSITIONING 40
179 #define FIELD_REFBLACKWHITE 41
180 #define FIELD_WHITEPOINT 42
181 #define FIELD_PRIMARYCHROMAS 43
182 #define FIELD_TRANSFERFUNCTION 44
183 #define FIELD_INKSET 45
184 #define FIELD_INKNAMES 46
185 #define FIELD_DOTRANGE 47
186 #define FIELD_TARGETPRINTER 48
187 #define FIELD_SUBIFD 49
188 #define FIELD_NUMBEROFINKS 50
189 #define FIELD_ICCPROFILE 51
190 #define FIELD_PHOTOSHOP 52
191 #define FIELD_RICHTIFFIPTC 53
192 #define FIELD_STONITS 54
194 #define FIELD_IMAGEFULLWIDTH 55
195 #define FIELD_IMAGEFULLLENGTH 56
196 #define FIELD_TEXTUREFORMAT 57
197 #define FIELD_WRAPMODES 58
198 #define FIELD_FOVCOT 59
199 #define FIELD_MATRIX_WORLDTOSCREEN 60
200 #define FIELD_MATRIX_WORLDTOCAMERA 61
201 #define FIELD_COPYRIGHT 62
202 #define FIELD_XMLPACKET 63
203 /* FIELD_CUSTOM (see tiffio.h) 65 */
204 /* end of support for well-known tags; codec-private tags follow */
205 #define FIELD_CODEC 66 /* base of codec-private tags */
209 * Pseudo-tags don't normally need field bits since they
210 * are not written to an output file (by definition).
211 * The library also has express logic to always query a
212 * codec for a pseudo-tag so allocating a field bit for
213 * one is a waste. If codec wants to promote the notion
214 * of a pseudo-tag being ``set'' or ``unset'' then it can
215 * do using internal state flags without polluting the
216 * field bit space defined for real tags.
218 #define FIELD_PSEUDO 0
220 #define FIELD_LAST (32*FIELD_SETLONGS-1)
222 #define TIFFExtractData(tif, type, v) \
223 ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
224 ((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \
225 (v) & (tif)->tif_typemask[type]))
226 #define TIFFInsertData(tif, type, v) \
227 ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
228 ((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \
229 (v) & (tif)->tif_typemask[type]))
232 #define BITn(n) (((unsigned long)1L)<<((n)&0x1f))
233 #define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32])
234 #define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field))
235 #define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field))
236 #define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field))
238 #define FieldSet(fields, f) (fields[(f)/32] & BITn(f))
239 #define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f))
241 #if defined(__cplusplus)
244 extern void _TIFFSetupFieldInfo(TIFF*);
245 extern void _TIFFPrintFieldInfo(TIFF*, FILE*);
246 extern TIFFDataType _TIFFSampleToTagType(TIFF*);
247 extern const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif,
250 extern TIFFFieldInfo* _TIFFCreateAnonFieldInfo( TIFF *tif, ttag_t tag,
253 #define _TIFFMergeFieldInfo TIFFMergeFieldInfo
254 #define _TIFFFindFieldInfo TIFFFindFieldInfo
255 #define _TIFFFindFieldInfoByName TIFFFindFieldInfoByName
256 #define _TIFFFieldWithTag TIFFFieldWithTag
257 #define _TIFFFieldWithName TIFFFieldWithName
259 #if defined(__cplusplus)
262 #endif /* _TIFFDIR_ */
264 /* vim: set ts=8 sts=8 sw=8 noet: */