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
* Core Directory Tag Support.
38
* NB: NB: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG.
39
* If a tag can have both LONG and SHORT types
40
* then the LONG must be placed before the SHORT for
41
* writing to work properly.
43
* NOTE: The second field (field_readcount) and third field (field_writecount)
44
* sometimes use the values TIFF_VARIABLE (-1), TIFF_VARIABLE2 (-3)
45
* and TIFFTAG_SPP (-2). The macros should be used but would throw off
46
* the formatting of the code, so please interprete the -1, -2 and -3
52
const TIFFFieldInfo tiffFieldInfo[] = {
53
{ TIFFTAG_SUBFILETYPE, 1, 1, TIFF_LONG, FIELD_SUBFILETYPE,
54
TRUE, FALSE, "SubfileType" },
55
/* XXX SHORT for compatibility w/ old versions of the library */
56
{ TIFFTAG_SUBFILETYPE, 1, 1, TIFF_SHORT, FIELD_SUBFILETYPE,
57
TRUE, FALSE, "SubfileType" },
58
{ TIFFTAG_OSUBFILETYPE, 1, 1, TIFF_SHORT, FIELD_SUBFILETYPE,
59
TRUE, FALSE, "OldSubfileType" },
60
{ TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_LONG, FIELD_IMAGEDIMENSIONS,
61
FALSE, FALSE, "ImageWidth" },
62
{ TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_SHORT, FIELD_IMAGEDIMENSIONS,
63
FALSE, FALSE, "ImageWidth" },
64
{ TIFFTAG_IMAGELENGTH, 1, 1, TIFF_LONG, FIELD_IMAGEDIMENSIONS,
65
TRUE, FALSE, "ImageLength" },
66
{ TIFFTAG_IMAGELENGTH, 1, 1, TIFF_SHORT, FIELD_IMAGEDIMENSIONS,
67
TRUE, FALSE, "ImageLength" },
68
/* XXX LONG for compatibility with some broken TIFF writers */
69
{ TIFFTAG_BITSPERSAMPLE, -1,-1, TIFF_LONG, FIELD_BITSPERSAMPLE,
70
FALSE, FALSE, "BitsPerSample" },
71
{ TIFFTAG_BITSPERSAMPLE, -1,-1, TIFF_SHORT, FIELD_BITSPERSAMPLE,
72
FALSE, FALSE, "BitsPerSample" },
73
/* XXX LONG for compatibility with some broken TIFF writers */
74
{ TIFFTAG_COMPRESSION, -1, 1, TIFF_LONG, FIELD_COMPRESSION,
75
FALSE, FALSE, "Compression" },
76
{ TIFFTAG_COMPRESSION, -1, 1, TIFF_SHORT, FIELD_COMPRESSION,
77
FALSE, FALSE, "Compression" },
78
/* XXX LONG for compatibility with some broken TIFF writers */
79
{ TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_LONG, FIELD_PHOTOMETRIC,
80
FALSE, FALSE, "PhotometricInterpretation" },
81
{ TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_SHORT, FIELD_PHOTOMETRIC,
82
FALSE, FALSE, "PhotometricInterpretation" },
83
{ TIFFTAG_THRESHHOLDING, 1, 1, TIFF_SHORT, FIELD_THRESHHOLDING,
84
TRUE, FALSE, "Threshholding" },
85
{ TIFFTAG_CELLWIDTH, 1, 1, TIFF_SHORT, FIELD_IGNORE,
86
TRUE, FALSE, "CellWidth" },
87
{ TIFFTAG_CELLLENGTH, 1, 1, TIFF_SHORT, FIELD_IGNORE,
88
TRUE, FALSE, "CellLength" },
89
{ TIFFTAG_FILLORDER, 1, 1, TIFF_SHORT, FIELD_FILLORDER,
90
FALSE, FALSE, "FillOrder" },
91
{ TIFFTAG_DOCUMENTNAME, -1,-1, TIFF_ASCII, FIELD_DOCUMENTNAME,
92
TRUE, FALSE, "DocumentName" },
93
{ TIFFTAG_IMAGEDESCRIPTION, -1,-1, TIFF_ASCII, FIELD_IMAGEDESCRIPTION,
94
TRUE, FALSE, "ImageDescription" },
95
{ TIFFTAG_MAKE, -1,-1, TIFF_ASCII, FIELD_MAKE,
96
TRUE, FALSE, "Make" },
97
{ TIFFTAG_MODEL, -1,-1, TIFF_ASCII, FIELD_MODEL,
98
TRUE, FALSE, "Model" },
99
{ TIFFTAG_STRIPOFFSETS, -1,-1, TIFF_LONG, FIELD_STRIPOFFSETS,
100
FALSE, FALSE, "StripOffsets" },
101
{ TIFFTAG_STRIPOFFSETS, -1,-1, TIFF_SHORT, FIELD_STRIPOFFSETS,
102
FALSE, FALSE, "StripOffsets" },
103
{ TIFFTAG_ORIENTATION, 1, 1, TIFF_SHORT, FIELD_ORIENTATION,
104
FALSE, FALSE, "Orientation" },
105
{ TIFFTAG_SAMPLESPERPIXEL, 1, 1, TIFF_SHORT, FIELD_SAMPLESPERPIXEL,
106
FALSE, FALSE, "SamplesPerPixel" },
107
{ TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_LONG, FIELD_ROWSPERSTRIP,
108
FALSE, FALSE, "RowsPerStrip" },
109
{ TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_SHORT, FIELD_ROWSPERSTRIP,
110
FALSE, FALSE, "RowsPerStrip" },
111
{ TIFFTAG_STRIPBYTECOUNTS, -1,-1, TIFF_LONG, FIELD_STRIPBYTECOUNTS,
112
FALSE, FALSE, "StripByteCounts" },
113
{ TIFFTAG_STRIPBYTECOUNTS, -1,-1, TIFF_SHORT, FIELD_STRIPBYTECOUNTS,
114
FALSE, FALSE, "StripByteCounts" },
115
{ TIFFTAG_MINSAMPLEVALUE, -2,-1, TIFF_SHORT, FIELD_MINSAMPLEVALUE,
116
TRUE, FALSE, "MinSampleValue" },
117
{ TIFFTAG_MAXSAMPLEVALUE, -2,-1, TIFF_SHORT, FIELD_MAXSAMPLEVALUE,
118
TRUE, FALSE, "MaxSampleValue" },
119
{ TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, FIELD_RESOLUTION,
120
FALSE, FALSE, "XResolution" },
121
{ TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, FIELD_RESOLUTION,
122
FALSE, FALSE, "YResolution" },
123
{ TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, FIELD_PLANARCONFIG,
124
FALSE, FALSE, "PlanarConfiguration" },
125
{ TIFFTAG_PAGENAME, -1,-1, TIFF_ASCII, FIELD_PAGENAME,
126
TRUE, FALSE, "PageName" },
127
{ TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, FIELD_POSITION,
128
TRUE, FALSE, "XPosition" },
129
{ TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, FIELD_POSITION,
130
TRUE, FALSE, "YPosition" },
131
{ TIFFTAG_FREEOFFSETS, -1,-1, TIFF_LONG, FIELD_IGNORE,
132
FALSE, FALSE, "FreeOffsets" },
133
{ TIFFTAG_FREEBYTECOUNTS, -1,-1, TIFF_LONG, FIELD_IGNORE,
134
FALSE, FALSE, "FreeByteCounts" },
135
{ TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, FIELD_IGNORE,
136
TRUE, FALSE, "GrayResponseUnit" },
137
{ TIFFTAG_GRAYRESPONSECURVE,-1,-1, TIFF_SHORT, FIELD_IGNORE,
138
TRUE, FALSE, "GrayResponseCurve" },
139
{ TIFFTAG_RESOLUTIONUNIT, 1, 1, TIFF_SHORT, FIELD_RESOLUTIONUNIT,
140
FALSE, FALSE, "ResolutionUnit" },
141
{ TIFFTAG_PAGENUMBER, 2, 2, TIFF_SHORT, FIELD_PAGENUMBER,
142
TRUE, FALSE, "PageNumber" },
143
{ TIFFTAG_COLORRESPONSEUNIT, 1, 1, TIFF_SHORT, FIELD_IGNORE,
144
TRUE, FALSE, "ColorResponseUnit" },
145
{ TIFFTAG_TRANSFERFUNCTION, -1,-1, TIFF_SHORT, FIELD_TRANSFERFUNCTION,
146
TRUE, FALSE, "TransferFunction" },
147
{ TIFFTAG_SOFTWARE, -1,-1, TIFF_ASCII, FIELD_CUSTOM,
148
TRUE, FALSE, "Software" },
149
{ TIFFTAG_DATETIME, 20,20, TIFF_ASCII, FIELD_DATETIME,
150
TRUE, FALSE, "DateTime" },
151
{ TIFFTAG_ARTIST, -1,-1, TIFF_ASCII, FIELD_ARTIST,
152
TRUE, FALSE, "Artist" },
153
{ TIFFTAG_HOSTCOMPUTER, -1,-1, TIFF_ASCII, FIELD_HOSTCOMPUTER,
154
TRUE, FALSE, "HostComputer" },
155
{ TIFFTAG_WHITEPOINT, 2, 2, TIFF_RATIONAL,FIELD_WHITEPOINT,
156
TRUE, FALSE, "WhitePoint" },
157
{ TIFFTAG_PRIMARYCHROMATICITIES,6,6,TIFF_RATIONAL,FIELD_PRIMARYCHROMAS,
158
TRUE, FALSE, "PrimaryChromaticities" },
159
{ TIFFTAG_COLORMAP, -1,-1, TIFF_SHORT, FIELD_COLORMAP,
160
TRUE, FALSE, "ColorMap" },
161
{ TIFFTAG_HALFTONEHINTS, 2, 2, TIFF_SHORT, FIELD_HALFTONEHINTS,
162
TRUE, FALSE, "HalftoneHints" },
163
{ TIFFTAG_TILEWIDTH, 1, 1, TIFF_LONG, FIELD_TILEDIMENSIONS,
164
FALSE, FALSE, "TileWidth" },
165
{ TIFFTAG_TILEWIDTH, 1, 1, TIFF_SHORT, FIELD_TILEDIMENSIONS,
166
FALSE, FALSE, "TileWidth" },
167
{ TIFFTAG_TILELENGTH, 1, 1, TIFF_LONG, FIELD_TILEDIMENSIONS,
168
FALSE, FALSE, "TileLength" },
169
{ TIFFTAG_TILELENGTH, 1, 1, TIFF_SHORT, FIELD_TILEDIMENSIONS,
170
FALSE, FALSE, "TileLength" },
171
{ TIFFTAG_TILEOFFSETS, -1, 1, TIFF_LONG, FIELD_STRIPOFFSETS,
172
FALSE, FALSE, "TileOffsets" },
173
{ TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_LONG, FIELD_STRIPBYTECOUNTS,
174
FALSE, FALSE, "TileByteCounts" },
175
{ TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_SHORT, FIELD_STRIPBYTECOUNTS,
176
FALSE, FALSE, "TileByteCounts" },
177
{ TIFFTAG_SUBIFD, -1,-1, TIFF_LONG, FIELD_SUBIFD,
178
TRUE, TRUE, "SubIFD" },
179
{ TIFFTAG_INKSET, 1, 1, TIFF_SHORT, FIELD_INKSET,
180
FALSE, FALSE, "InkSet" },
181
{ TIFFTAG_INKNAMES, -1,-1, TIFF_ASCII, FIELD_INKNAMES,
182
TRUE, TRUE, "InkNames" },
183
{ TIFFTAG_NUMBEROFINKS, 1, 1, TIFF_SHORT, FIELD_NUMBEROFINKS,
184
TRUE, FALSE, "NumberOfInks" },
185
{ TIFFTAG_DOTRANGE, 2, 2, TIFF_SHORT, FIELD_DOTRANGE,
186
FALSE, FALSE, "DotRange" },
187
{ TIFFTAG_DOTRANGE, 2, 2, TIFF_BYTE, FIELD_DOTRANGE,
188
FALSE, FALSE, "DotRange" },
189
{ TIFFTAG_TARGETPRINTER, -1,-1, TIFF_ASCII, FIELD_TARGETPRINTER,
190
TRUE, FALSE, "TargetPrinter" },
191
{ TIFFTAG_EXTRASAMPLES, -1,-1, TIFF_SHORT, FIELD_EXTRASAMPLES,
192
FALSE, FALSE, "ExtraSamples" },
193
/* XXX for bogus Adobe Photoshop v2.5 files */
194
{ TIFFTAG_EXTRASAMPLES, -1,-1, TIFF_BYTE, FIELD_EXTRASAMPLES,
195
FALSE, FALSE, "ExtraSamples" },
196
{ TIFFTAG_SAMPLEFORMAT, -1,-1, TIFF_SHORT, FIELD_SAMPLEFORMAT,
197
FALSE, FALSE, "SampleFormat" },
198
{ TIFFTAG_SMINSAMPLEVALUE, -2,-1, TIFF_ANY, FIELD_SMINSAMPLEVALUE,
199
TRUE, FALSE, "SMinSampleValue" },
200
{ TIFFTAG_SMAXSAMPLEVALUE, -2,-1, TIFF_ANY, FIELD_SMAXSAMPLEVALUE,
201
TRUE, FALSE, "SMaxSampleValue" },
202
{ TIFFTAG_YCBCRCOEFFICIENTS, 3, 3, TIFF_RATIONAL, FIELD_YCBCRCOEFFICIENTS,
203
FALSE, FALSE, "YCbCrCoefficients" },
204
{ TIFFTAG_YCBCRSUBSAMPLING, 2, 2, TIFF_SHORT, FIELD_YCBCRSUBSAMPLING,
205
FALSE, FALSE, "YCbCrSubsampling" },
206
{ TIFFTAG_YCBCRPOSITIONING, 1, 1, TIFF_SHORT, FIELD_YCBCRPOSITIONING,
207
FALSE, FALSE, "YCbCrPositioning" },
208
{ TIFFTAG_REFERENCEBLACKWHITE,6,6,TIFF_RATIONAL, FIELD_REFBLACKWHITE,
209
TRUE, FALSE, "ReferenceBlackWhite" },
210
/* XXX temporarily accept LONG for backwards compatibility */
211
{ TIFFTAG_REFERENCEBLACKWHITE,6,6,TIFF_LONG, FIELD_REFBLACKWHITE,
212
TRUE, FALSE, "ReferenceBlackWhite" },
213
{ TIFFTAG_XMLPACKET, -1,-3, TIFF_UNDEFINED, FIELD_XMLPACKET,
214
FALSE, TRUE, "XMLPacket" },
216
{ TIFFTAG_MATTEING, 1, 1, TIFF_SHORT, FIELD_EXTRASAMPLES,
217
FALSE, FALSE, "Matteing" },
218
{ TIFFTAG_DATATYPE, -2,-1, TIFF_SHORT, FIELD_SAMPLEFORMAT,
219
FALSE, FALSE, "DataType" },
220
{ TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_LONG, FIELD_IMAGEDEPTH,
221
FALSE, FALSE, "ImageDepth" },
222
{ TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_SHORT, FIELD_IMAGEDEPTH,
223
FALSE, FALSE, "ImageDepth" },
224
{ TIFFTAG_TILEDEPTH, 1, 1, TIFF_LONG, FIELD_TILEDEPTH,
225
FALSE, FALSE, "TileDepth" },
226
{ TIFFTAG_TILEDEPTH, 1, 1, TIFF_SHORT, FIELD_TILEDEPTH,
227
FALSE, FALSE, "TileDepth" },
229
/* begin Pixar tags */
230
{ TIFFTAG_PIXAR_IMAGEFULLWIDTH, 1, 1, TIFF_LONG, FIELD_IMAGEFULLWIDTH,
231
TRUE, FALSE, "ImageFullWidth" },
232
{ TIFFTAG_PIXAR_IMAGEFULLLENGTH, 1, 1, TIFF_LONG, FIELD_IMAGEFULLLENGTH,
233
TRUE, FALSE, "ImageFullLength" },
234
{ TIFFTAG_PIXAR_TEXTUREFORMAT, -1,-1, TIFF_ASCII, FIELD_TEXTUREFORMAT,
235
TRUE, FALSE, "TextureFormat" },
236
{ TIFFTAG_PIXAR_WRAPMODES, -1,-1, TIFF_ASCII, FIELD_WRAPMODES,
237
TRUE, FALSE, "TextureWrapModes" },
238
{ TIFFTAG_PIXAR_FOVCOT, 1, 1, TIFF_FLOAT, FIELD_FOVCOT,
239
TRUE, FALSE, "FieldOfViewCotan" },
240
{ TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16,16, TIFF_FLOAT,
241
FIELD_MATRIX_WORLDTOSCREEN, TRUE, FALSE, "MatrixWorldToScreen" },
242
{ TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16,16, TIFF_FLOAT,
243
FIELD_MATRIX_WORLDTOCAMERA, TRUE, FALSE, "MatrixWorldToCamera" },
244
{ TIFFTAG_COPYRIGHT, -1,-1, TIFF_ASCII, FIELD_COPYRIGHT,
245
TRUE, FALSE, "Copyright" },
248
#ifdef PHOTOSHOP_SUPPORT
249
{ TIFFTAG_RICHTIFFIPTC, -1,-1, TIFF_LONG, FIELD_RICHTIFFIPTC,
250
FALSE, TRUE, "RichTIFFIPTC" },
252
{ TIFFTAG_RICHTIFFIPTC, -1,-3, TIFF_UNDEFINED, FIELD_RICHTIFFIPTC,
253
FALSE, TRUE, "RichTIFFIPTC" },
256
{ TIFFTAG_PHOTOSHOP, -1,-3, TIFF_BYTE, FIELD_PHOTOSHOP,
257
FALSE, TRUE, "Photoshop" },
258
{ TIFFTAG_ICCPROFILE, -1,-3, TIFF_UNDEFINED, FIELD_ICCPROFILE,
259
FALSE, TRUE, "ICC Profile" },
260
{ TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, FIELD_STONITS,
261
FALSE, FALSE, "StoNits" },
263
#define N(a) (sizeof (a) / sizeof (a[0]))
266
_TIFFSetupFieldInfo(TIFF* tif)
268
if (tif->tif_fieldinfo) {
271
for (i = 0; i < tif->tif_nfields; i++)
273
TIFFFieldInfo *fld = tif->tif_fieldinfo[i];
274
if (fld->field_bit == FIELD_CUSTOM &&
275
strncmp("Tag ", fld->field_name, 4) == 0)
277
_TIFFfree(fld->field_name);
282
_TIFFfree(tif->tif_fieldinfo);
283
tif->tif_nfields = 0;
285
_TIFFMergeFieldInfo(tif, tiffFieldInfo, N(tiffFieldInfo));
289
tagCompare(const void* a, const void* b)
291
const TIFFFieldInfo* ta = *(const TIFFFieldInfo**) a;
292
const TIFFFieldInfo* tb = *(const TIFFFieldInfo**) b;
293
/* NB: be careful of return values for 16-bit platforms */
294
if (ta->field_tag != tb->field_tag)
295
return (ta->field_tag < tb->field_tag ? -1 : 1);
297
return ((int)tb->field_type - (int)ta->field_type);
301
_TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], int n)
306
if (tif->tif_nfields > 0) {
307
tif->tif_fieldinfo = (TIFFFieldInfo**)
308
_TIFFrealloc(tif->tif_fieldinfo,
309
(tif->tif_nfields+n) * sizeof (TIFFFieldInfo*));
311
tif->tif_fieldinfo = (TIFFFieldInfo**)
312
_TIFFmalloc(n * sizeof (TIFFFieldInfo*));
314
assert(tif->tif_fieldinfo != NULL);
315
tp = &tif->tif_fieldinfo[tif->tif_nfields];
316
for (i = 0; i < n; i++)
317
tp[i] = (TIFFFieldInfo*) &info[i]; /* XXX */
319
/* Sort the field info by tag number */
320
qsort(tif->tif_fieldinfo, (size_t) (tif->tif_nfields += n),
321
sizeof (TIFFFieldInfo*), tagCompare);
325
_TIFFPrintFieldInfo(TIFF* tif, FILE* fd)
329
fprintf(fd, "%s: \n", tif->tif_name);
330
for (i = 0; i < tif->tif_nfields; i++) {
331
const TIFFFieldInfo* fip = tif->tif_fieldinfo[i];
332
fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n"
334
, (unsigned long) fip->field_tag
335
, fip->field_readcount, fip->field_writecount
338
, fip->field_oktochange ? "TRUE" : "FALSE"
339
, fip->field_passcount ? "TRUE" : "FALSE"
346
* Return size of TIFFDataType in bytes
349
TIFFDataWidth(TIFFDataType type)
353
case 0: /* nothing */
354
case 1: /* TIFF_BYTE */
355
case 2: /* TIFF_ASCII */
356
case 6: /* TIFF_SBYTE */
357
case 7: /* TIFF_UNDEFINED */
359
case 3: /* TIFF_SHORT */
360
case 8: /* TIFF_SSHORT */
362
case 4: /* TIFF_LONG */
363
case 9: /* TIFF_SLONG */
364
case 11: /* TIFF_FLOAT */
365
case 13: /* TIFF_IFD */
367
case 5: /* TIFF_RATIONAL */
368
case 10: /* TIFF_SRATIONAL */
369
case 12: /* TIFF_DOUBLE */
372
return 0; /* will return 0 for unknown types */
377
* Return nearest TIFFDataType to the sample type of an image.
380
_TIFFSampleToTagType(TIFF* tif)
382
uint32 bps = TIFFhowmany8(tif->tif_dir.td_bitspersample);
384
switch (tif->tif_dir.td_sampleformat) {
385
case SAMPLEFORMAT_IEEEFP:
386
return (bps == 4 ? TIFF_FLOAT : TIFF_DOUBLE);
387
case SAMPLEFORMAT_INT:
388
return (bps <= 1 ? TIFF_SBYTE :
389
bps <= 2 ? TIFF_SSHORT : TIFF_SLONG);
390
case SAMPLEFORMAT_UINT:
391
return (bps <= 1 ? TIFF_BYTE :
392
bps <= 2 ? TIFF_SHORT : TIFF_LONG);
393
case SAMPLEFORMAT_VOID:
394
return (TIFF_UNDEFINED);
397
return (TIFF_UNDEFINED);
401
_TIFFFindFieldInfo(TIFF* tif, ttag_t tag, TIFFDataType dt)
403
static const TIFFFieldInfo *last = NULL;
406
if (last && last->field_tag == tag &&
407
(dt == TIFF_ANY || dt == last->field_type))
409
/* NB: if table gets big, use sorted search (e.g. binary search) */
411
TIFFFieldInfo key = {0, 0, 0, 0, 0, 0, 0, 0};
414
return((const TIFFFieldInfo *) bsearch(&key,
417
sizeof(TIFFFieldInfo),
419
} else for (i = 0, n = tif->tif_nfields; i < n; i++) {
420
const TIFFFieldInfo* fip = tif->tif_fieldinfo[i];
421
if (fip->field_tag == tag &&
422
(dt == TIFF_ANY || fip->field_type == dt))
425
return ((const TIFFFieldInfo *)0);
429
_TIFFFieldWithTag(TIFF* tif, ttag_t tag)
431
const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY);
433
TIFFError("TIFFFieldWithTag",
434
"Internal error, unknown tag 0x%x", (u_int) tag);
442
_TIFFFindOrRegisterFieldInfo( TIFF *tif, ttag_t tag, TIFFDataType dt )
445
const TIFFFieldInfo *fld;
447
fld = _TIFFFindFieldInfo( tif, tag, dt );
450
fld = _TIFFCreateAnonFieldInfo( tif, tag, dt );
451
_TIFFMergeFieldInfo( tif, fld, 1 );
458
_TIFFCreateAnonFieldInfo(TIFF *tif, ttag_t tag, TIFFDataType field_type)
462
fld = (TIFFFieldInfo *) _TIFFmalloc(sizeof (TIFFFieldInfo));
465
_TIFFmemset( fld, 0, sizeof(TIFFFieldInfo) );
467
fld->field_tag = tag;
468
fld->field_readcount = TIFF_VARIABLE;
469
fld->field_writecount = TIFF_VARIABLE;
470
fld->field_type = field_type;
471
fld->field_bit = FIELD_CUSTOM;
472
fld->field_oktochange = TRUE;
473
fld->field_passcount = TRUE;
474
fld->field_name = (char *) _TIFFmalloc(32);
475
if (fld->field_name == NULL) {
480
/* note that this name is a special sign to TIFFClose() and
481
* _TIFFSetupFieldInfo() to free the field
483
sprintf(fld->field_name, "Tag %d", (int) tag);