Visualization Library 2.0.0-b5

A lightweight C++ OpenGL middleware for 2D/3D graphics

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tif_dir.h
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1 /* $Id: tif_dir.h,v 1.28 2005/12/26 14:31:25 dron 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;
53  uint16 td_minsamplevalue, td_maxsamplevalue;
54  double td_sminsamplevalue, td_smaxsamplevalue;
55  float td_xresolution, td_yresolution;
58  float td_xposition, td_yposition;
59  uint16 td_pagenumber[2];
60  uint16* td_colormap[3];
61  uint16 td_halftonehints[2];
65  tstrip_t td_nstrips; /* size of offset & bytecount arrays */
68  int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */
71  /* YCbCr parameters */
72  uint16 td_ycbcrsubsampling[2];
74  /* Colorimetry parameters */
75  uint16* td_transferfunction[3];
76  /* CMYK parameters */
78  char* td_inknames;
79 
83 
84 /*
85  * Field flags used to indicate fields that have
86  * been set in a directory, and to reference fields
87  * when manipulating a directory.
88  */
89 
90 /*
91  * FIELD_IGNORE is used to signify tags that are to
92  * be processed but otherwise ignored. This permits
93  * antiquated tags to be quietly read and discarded.
94  * Note that a bit *is* allocated for ignored tags;
95  * this is understood by the directory reading logic
96  * which uses this fact to avoid special-case handling
97  */
98 #define FIELD_IGNORE 0
99 
100 /* multi-item fields */
101 #define FIELD_IMAGEDIMENSIONS 1
102 #define FIELD_TILEDIMENSIONS 2
103 #define FIELD_RESOLUTION 3
104 #define FIELD_POSITION 4
105 
106 /* single-item fields */
107 #define FIELD_SUBFILETYPE 5
108 #define FIELD_BITSPERSAMPLE 6
109 #define FIELD_COMPRESSION 7
110 #define FIELD_PHOTOMETRIC 8
111 #define FIELD_THRESHHOLDING 9
112 #define FIELD_FILLORDER 10
113 #define FIELD_ORIENTATION 15
114 #define FIELD_SAMPLESPERPIXEL 16
115 #define FIELD_ROWSPERSTRIP 17
116 #define FIELD_MINSAMPLEVALUE 18
117 #define FIELD_MAXSAMPLEVALUE 19
118 #define FIELD_PLANARCONFIG 20
119 #define FIELD_RESOLUTIONUNIT 22
120 #define FIELD_PAGENUMBER 23
121 #define FIELD_STRIPBYTECOUNTS 24
122 #define FIELD_STRIPOFFSETS 25
123 #define FIELD_COLORMAP 26
124 #define FIELD_EXTRASAMPLES 31
125 #define FIELD_SAMPLEFORMAT 32
126 #define FIELD_SMINSAMPLEVALUE 33
127 #define FIELD_SMAXSAMPLEVALUE 34
128 #define FIELD_IMAGEDEPTH 35
129 #define FIELD_TILEDEPTH 36
130 #define FIELD_HALFTONEHINTS 37
131 #define FIELD_YCBCRSUBSAMPLING 39
132 #define FIELD_YCBCRPOSITIONING 40
133 #define FIELD_TRANSFERFUNCTION 44
134 #define FIELD_INKNAMES 46
135 #define FIELD_SUBIFD 49
136 /* FIELD_CUSTOM (see tiffio.h) 65 */
137 /* end of support for well-known tags; codec-private tags follow */
138 #define FIELD_CODEC 66 /* base of codec-private tags */
139 
140 
141 /*
142  * Pseudo-tags don't normally need field bits since they
143  * are not written to an output file (by definition).
144  * The library also has express logic to always query a
145  * codec for a pseudo-tag so allocating a field bit for
146  * one is a waste. If codec wants to promote the notion
147  * of a pseudo-tag being ``set'' or ``unset'' then it can
148  * do using internal state flags without polluting the
149  * field bit space defined for real tags.
150  */
151 #define FIELD_PSEUDO 0
152 
153 #define FIELD_LAST (32*FIELD_SETLONGS-1)
154 
155 #define TIFFExtractData(tif, type, v) \
156  ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
157  ((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \
158  (v) & (tif)->tif_typemask[type]))
159 #define TIFFInsertData(tif, type, v) \
160  ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
161  ((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \
162  (v) & (tif)->tif_typemask[type]))
163 
164 
165 #define BITn(n) (((unsigned long)1L)<<((n)&0x1f))
166 #define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32])
167 #define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field))
168 #define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field))
169 #define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field))
170 
171 #define FieldSet(fields, f) (fields[(f)/32] & BITn(f))
172 #define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f))
173 
174 #if defined(__cplusplus)
175 extern "C" {
176 #endif
177 extern const TIFFFieldInfo *_TIFFGetFieldInfo(size_t *);
178 extern const TIFFFieldInfo *_TIFFGetExifFieldInfo(size_t *);
179 extern void _TIFFSetupFieldInfo(TIFF*, const TIFFFieldInfo[], size_t);
180 extern void _TIFFPrintFieldInfo(TIFF*, FILE*);
183  ttag_t tag,
184  TIFFDataType dt );
186  TIFFDataType dt );
187 
188 #define _TIFFMergeFieldInfo TIFFMergeFieldInfo
189 #define _TIFFFindFieldInfo TIFFFindFieldInfo
190 #define _TIFFFindFieldInfoByName TIFFFindFieldInfoByName
191 #define _TIFFFieldWithTag TIFFFieldWithTag
192 #define _TIFFFieldWithName TIFFFieldWithName
193 
194 #if defined(__cplusplus)
195 }
196 #endif
197 #endif /* _TIFFDIR_ */
198 
199 /* vim: set ts=8 sts=8 sw=8 noet: */
uint32 ttag_t
Definition: tiffio.h:61
uint16 td_threshholding
Definition: tif_dir.h:48
uint32 td_imagewidth
Definition: tif_dir.h:41
const TIFFFieldInfo * _TIFFGetExifFieldInfo(size_t *)
Definition: tif_dirinfo.c:520
uint16 td_bitspersample
Definition: tif_dir.h:44
uint16 td_nsubifd
Definition: tif_dir.h:69
uint16 td_minsamplevalue
Definition: tif_dir.h:53
void _TIFFPrintFieldInfo(TIFF *, FILE *)
Definition: tif_dirinfo.c:596
tstrip_t td_nstrips
Definition: tif_dir.h:65
uint32 * td_stripoffset
Definition: tif_dir.h:66
TIFFTagValue * td_customValues
Definition: tif_dir.h:81
uint32 td_subfiletype
Definition: tif_dir.h:43
const TIFFFieldInfo * _TIFFGetFieldInfo(size_t *)
Definition: tif_dirinfo.c:513
const TIFFFieldInfo * _TIFFFindOrRegisterFieldInfo(TIFF *tif, ttag_t tag, TIFFDataType dt)
Definition: tif_dirinfo.c:799
int td_inknameslen
Definition: tif_dir.h:77
Definition: tiffiop.h:95
#define FIELD_SETLONGS
Definition: tif_dir.h:37
uint16 td_extrasamples
Definition: tif_dir.h:62
int td_customValueCount
Definition: tif_dir.h:80
uint32 tstrip_t
Definition: tiffio.h:64
TIFFDataType _TIFFSampleToTagType(TIFF *)
Definition: tif_dirinfo.c:684
uint16 td_orientation
Definition: tif_dir.h:50
uint16 * td_sampleinfo
Definition: tif_dir.h:63
uint32 td_tilewidth
Definition: tif_dir.h:42
int td_stripbytecountsorted
Definition: tif_dir.h:68
unsigned short uint16
Definition: tiff.h:71
uint32 * td_subifd
Definition: tif_dir.h:70
uint32 td_rowsperstrip
Definition: tif_dir.h:52
float td_yposition
Definition: tif_dir.h:58
uint16 td_planarconfig
Definition: tif_dir.h:57
unsigned long uint32
Definition: md5.h:41
uint16 td_samplesperpixel
Definition: tif_dir.h:51
float td_yresolution
Definition: tif_dir.h:55
char * td_inknames
Definition: tif_dir.h:78
double td_sminsamplevalue
Definition: tif_dir.h:54
uint16 td_ycbcrpositioning
Definition: tif_dir.h:73
uint16 td_compression
Definition: tif_dir.h:46
tstrip_t td_stripsperimage
Definition: tif_dir.h:64
uint16 td_sampleformat
Definition: tif_dir.h:45
uint16 td_resolutionunit
Definition: tif_dir.h:56
TIFFDataType
Definition: tiff.h:137
uint16 td_photometric
Definition: tif_dir.h:47
uint16 td_fillorder
Definition: tif_dir.h:49
TIFFFieldInfo * _TIFFCreateAnonFieldInfo(TIFF *tif, ttag_t tag, TIFFDataType dt)
Definition: tif_dirinfo.c:815
void _TIFFSetupFieldInfo(TIFF *, const TIFFFieldInfo[], size_t)
Definition: tif_dirinfo.c:527
uint32 * td_stripbytecount
Definition: tif_dir.h:67