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8414a40c VZ |
1 | /* $Id$ */ |
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 | #include "tif_config.h" | |
28 | ||
29 | #include <stdio.h> | |
30 | #include <stdlib.h> | |
31 | #include <string.h> | |
32 | ||
33 | #ifdef HAVE_UNISTD_H | |
34 | # include <unistd.h> | |
35 | #endif | |
36 | ||
37 | #ifdef HAVE_FCNTL_H | |
38 | # include <fcntl.h> | |
39 | #endif | |
40 | ||
41 | #ifdef HAVE_SYS_TYPES_H | |
42 | # include <sys/types.h> | |
43 | #endif | |
44 | ||
45 | #ifdef HAVE_IO_H | |
46 | # include <io.h> | |
47 | #endif | |
48 | ||
49 | #include "tiffio.h" | |
50 | ||
51 | #ifndef O_BINARY | |
52 | # define O_BINARY 0 | |
53 | #endif | |
54 | ||
55 | char* appname; | |
56 | char* curfile; | |
57 | int swabflag; | |
58 | int bigendian; | |
59 | int typeshift[14]; /* data type shift counts */ | |
60 | long typemask[14]; /* data type masks */ | |
61 | uint32 maxitems = 24; /* maximum indirect data items to print */ | |
62 | ||
63 | char* bytefmt = "%s%#02x"; /* BYTE */ | |
64 | char* sbytefmt = "%s%d"; /* SBYTE */ | |
65 | char* shortfmt = "%s%u"; /* SHORT */ | |
66 | char* sshortfmt = "%s%d"; /* SSHORT */ | |
67 | char* longfmt = "%s%lu"; /* LONG */ | |
68 | char* slongfmt = "%s%ld"; /* SLONG */ | |
69 | char* rationalfmt = "%s%g"; /* RATIONAL */ | |
70 | char* srationalfmt = "%s%g"; /* SRATIONAL */ | |
71 | char* floatfmt = "%s%g"; /* FLOAT */ | |
72 | char* doublefmt = "%s%g"; /* DOUBLE */ | |
73 | char* ifdfmt = "%s%#04x"; /* IFD offset */ | |
74 | ||
75 | static void dump(int, off_t); | |
76 | extern int optind; | |
77 | extern char* optarg; | |
78 | ||
79 | void | |
80 | usage() | |
81 | { | |
82 | fprintf(stderr, "usage: %s [-h] [-o offset] [-m maxitems] file.tif ...\n", appname); | |
83 | exit(-1); | |
84 | } | |
85 | ||
86 | int | |
87 | main(int argc, char* argv[]) | |
88 | { | |
89 | int one = 1, fd; | |
90 | int multiplefiles = (argc > 1); | |
91 | int c; | |
92 | uint32 diroff = (uint32) 0; | |
93 | bigendian = (*(char *)&one == 0); | |
94 | ||
95 | appname = argv[0]; | |
96 | while ((c = getopt(argc, argv, "m:o:h")) != -1) { | |
97 | switch (c) { | |
98 | case 'h': /* print values in hex */ | |
99 | shortfmt = "%s%#x"; | |
100 | sshortfmt = "%s%#x"; | |
101 | longfmt = "%s%#lx"; | |
102 | slongfmt = "%s%#lx"; | |
103 | break; | |
104 | case 'o': | |
105 | diroff = (uint32) strtoul(optarg, NULL, 0); | |
106 | break; | |
107 | case 'm': | |
108 | maxitems = strtoul(optarg, NULL, 0); | |
109 | break; | |
110 | default: | |
111 | usage(); | |
112 | } | |
113 | } | |
114 | if (optind >= argc) | |
115 | usage(); | |
116 | for (; optind < argc; optind++) { | |
117 | fd = open(argv[optind], O_RDONLY|O_BINARY, 0); | |
118 | if (fd < 0) { | |
119 | perror(argv[0]); | |
120 | return (-1); | |
121 | } | |
122 | if (multiplefiles) | |
123 | printf("%s:\n", argv[optind]); | |
124 | curfile = argv[optind]; | |
125 | swabflag = 0; | |
126 | dump(fd, diroff); | |
127 | close(fd); | |
128 | } | |
129 | return (0); | |
130 | } | |
131 | ||
132 | static TIFFHeader hdr; | |
133 | ||
134 | #define ord(e) ((int)e) | |
135 | ||
136 | /* | |
137 | * Initialize shift & mask tables and byte | |
138 | * swapping state according to the file | |
139 | * byte order. | |
140 | */ | |
141 | static void | |
142 | InitByteOrder(int magic) | |
143 | { | |
144 | typemask[0] = 0; | |
145 | typemask[ord(TIFF_BYTE)] = 0xff; | |
146 | typemask[ord(TIFF_SBYTE)] = 0xff; | |
147 | typemask[ord(TIFF_UNDEFINED)] = 0xff; | |
148 | typemask[ord(TIFF_SHORT)] = 0xffff; | |
149 | typemask[ord(TIFF_SSHORT)] = 0xffff; | |
150 | typemask[ord(TIFF_LONG)] = 0xffffffff; | |
151 | typemask[ord(TIFF_SLONG)] = 0xffffffff; | |
152 | typemask[ord(TIFF_IFD)] = 0xffffffff; | |
153 | typemask[ord(TIFF_RATIONAL)] = 0xffffffff; | |
154 | typemask[ord(TIFF_SRATIONAL)] = 0xffffffff; | |
155 | typemask[ord(TIFF_FLOAT)] = 0xffffffff; | |
156 | typemask[ord(TIFF_DOUBLE)] = 0xffffffff; | |
157 | typeshift[0] = 0; | |
158 | typeshift[ord(TIFF_LONG)] = 0; | |
159 | typeshift[ord(TIFF_SLONG)] = 0; | |
160 | typeshift[ord(TIFF_IFD)] = 0; | |
161 | typeshift[ord(TIFF_RATIONAL)] = 0; | |
162 | typeshift[ord(TIFF_SRATIONAL)] = 0; | |
163 | typeshift[ord(TIFF_FLOAT)] = 0; | |
164 | typeshift[ord(TIFF_DOUBLE)] = 0; | |
165 | if (magic == TIFF_BIGENDIAN || magic == MDI_BIGENDIAN) { | |
166 | typeshift[ord(TIFF_BYTE)] = 24; | |
167 | typeshift[ord(TIFF_SBYTE)] = 24; | |
168 | typeshift[ord(TIFF_SHORT)] = 16; | |
169 | typeshift[ord(TIFF_SSHORT)] = 16; | |
170 | swabflag = !bigendian; | |
171 | } else { | |
172 | typeshift[ord(TIFF_BYTE)] = 0; | |
173 | typeshift[ord(TIFF_SBYTE)] = 0; | |
174 | typeshift[ord(TIFF_SHORT)] = 0; | |
175 | typeshift[ord(TIFF_SSHORT)] = 0; | |
176 | swabflag = bigendian; | |
177 | } | |
178 | } | |
179 | ||
180 | static off_t ReadDirectory(int, unsigned, off_t); | |
181 | static void ReadError(char*); | |
182 | static void Error(const char*, ...); | |
183 | static void Fatal(const char*, ...); | |
184 | ||
185 | static void | |
186 | dump(int fd, off_t diroff) | |
187 | { | |
188 | unsigned i; | |
189 | ||
190 | lseek(fd, (off_t) 0, 0); | |
191 | if (read(fd, (char*) &hdr, sizeof (hdr)) != sizeof (hdr)) | |
192 | ReadError("TIFF header"); | |
193 | /* | |
194 | * Setup the byte order handling. | |
195 | */ | |
196 | if (hdr.tiff_magic != TIFF_BIGENDIAN && hdr.tiff_magic != TIFF_LITTLEENDIAN && | |
197 | #if HOST_BIGENDIAN | |
198 | // MDI is sensitive to the host byte order, unlike TIFF | |
199 | MDI_BIGENDIAN != hdr.tiff_magic ) | |
200 | #else | |
201 | MDI_LITTLEENDIAN != hdr.tiff_magic ) | |
202 | #endif | |
203 | Fatal("Not a TIFF or MDI file, bad magic number %u (%#x)", | |
204 | hdr.tiff_magic, hdr.tiff_magic); | |
205 | InitByteOrder(hdr.tiff_magic); | |
206 | /* | |
207 | * Swap header if required. | |
208 | */ | |
209 | if (swabflag) { | |
210 | TIFFSwabShort(&hdr.tiff_version); | |
211 | TIFFSwabLong(&hdr.tiff_diroff); | |
212 | } | |
213 | /* | |
214 | * Now check version (if needed, it's been byte-swapped). | |
215 | * Note that this isn't actually a version number, it's a | |
216 | * magic number that doesn't change (stupid). | |
217 | */ | |
218 | if (hdr.tiff_version != TIFF_VERSION) | |
219 | Fatal("Not a TIFF file, bad version number %u (%#x)", | |
220 | hdr.tiff_version, hdr.tiff_version); | |
221 | printf("Magic: %#x <%s-endian> Version: %#x\n", | |
222 | hdr.tiff_magic, | |
223 | hdr.tiff_magic == TIFF_BIGENDIAN ? "big" : "little", | |
224 | hdr.tiff_version); | |
225 | if (diroff == 0) | |
226 | diroff = hdr.tiff_diroff; | |
227 | for (i = 0; diroff != 0; i++) { | |
228 | if (i > 0) | |
229 | putchar('\n'); | |
230 | diroff = ReadDirectory(fd, i, diroff); | |
231 | } | |
232 | } | |
233 | ||
234 | static int datawidth[] = { | |
235 | 0, /* nothing */ | |
236 | 1, /* TIFF_BYTE */ | |
237 | 1, /* TIFF_ASCII */ | |
238 | 2, /* TIFF_SHORT */ | |
239 | 4, /* TIFF_LONG */ | |
240 | 8, /* TIFF_RATIONAL */ | |
241 | 1, /* TIFF_SBYTE */ | |
242 | 1, /* TIFF_UNDEFINED */ | |
243 | 2, /* TIFF_SSHORT */ | |
244 | 4, /* TIFF_SLONG */ | |
245 | 8, /* TIFF_SRATIONAL */ | |
246 | 4, /* TIFF_FLOAT */ | |
247 | 8, /* TIFF_DOUBLE */ | |
248 | 4 /* TIFF_IFD */ | |
249 | }; | |
250 | #define NWIDTHS (sizeof (datawidth) / sizeof (datawidth[0])) | |
251 | static int TIFFFetchData(int, TIFFDirEntry*, void*); | |
252 | static void PrintTag(FILE*, uint16); | |
253 | static void PrintType(FILE*, uint16); | |
254 | static void PrintData(FILE*, uint16, uint32, unsigned char*); | |
255 | static void PrintByte(FILE*, const char*, TIFFDirEntry*); | |
256 | static void PrintShort(FILE*, const char*, TIFFDirEntry*); | |
257 | static void PrintLong(FILE*, const char*, TIFFDirEntry*); | |
258 | ||
259 | /* | |
260 | * Read the next TIFF directory from a file | |
261 | * and convert it to the internal format. | |
262 | * We read directories sequentially. | |
263 | */ | |
264 | static off_t | |
265 | ReadDirectory(int fd, unsigned ix, off_t off) | |
266 | { | |
267 | register TIFFDirEntry *dp; | |
268 | register unsigned int n; | |
269 | TIFFDirEntry *dir = 0; | |
270 | uint16 dircount; | |
271 | int space; | |
272 | uint32 nextdiroff = 0; | |
273 | ||
274 | if (off == 0) /* no more directories */ | |
275 | goto done; | |
276 | if (lseek(fd, (off_t) off, 0) != off) { | |
277 | Fatal("Seek error accessing TIFF directory"); | |
278 | goto done; | |
279 | } | |
280 | if (read(fd, (char*) &dircount, sizeof (uint16)) != sizeof (uint16)) { | |
281 | ReadError("directory count"); | |
282 | goto done; | |
283 | } | |
284 | if (swabflag) | |
285 | TIFFSwabShort(&dircount); | |
286 | dir = (TIFFDirEntry *)_TIFFmalloc(dircount * sizeof (TIFFDirEntry)); | |
287 | if (dir == NULL) { | |
288 | Fatal("No space for TIFF directory"); | |
289 | goto done; | |
290 | } | |
291 | n = read(fd, (char*) dir, dircount*sizeof (*dp)); | |
292 | if (n != dircount*sizeof (*dp)) { | |
293 | n /= sizeof (*dp); | |
294 | Error( | |
295 | "Could only read %u of %u entries in directory at offset %#lx", | |
296 | n, dircount, (unsigned long) off); | |
297 | dircount = n; | |
298 | } | |
299 | if (read(fd, (char*) &nextdiroff, sizeof (uint32)) != sizeof (uint32)) | |
300 | nextdiroff = 0; | |
301 | if (swabflag) | |
302 | TIFFSwabLong(&nextdiroff); | |
303 | printf("Directory %u: offset %lu (%#lx) next %lu (%#lx)\n", ix, | |
304 | (unsigned long)off, (unsigned long)off, | |
305 | (unsigned long)nextdiroff, (unsigned long)nextdiroff); | |
306 | for (dp = dir, n = dircount; n > 0; n--, dp++) { | |
307 | if (swabflag) { | |
308 | TIFFSwabArrayOfShort(&dp->tdir_tag, 2); | |
309 | TIFFSwabArrayOfLong(&dp->tdir_count, 2); | |
310 | } | |
311 | PrintTag(stdout, dp->tdir_tag); | |
312 | putchar(' '); | |
313 | PrintType(stdout, dp->tdir_type); | |
314 | putchar(' '); | |
315 | printf("%lu<", (unsigned long) dp->tdir_count); | |
316 | if (dp->tdir_type >= NWIDTHS) { | |
317 | printf(">\n"); | |
318 | continue; | |
319 | } | |
320 | space = dp->tdir_count * datawidth[dp->tdir_type]; | |
321 | if (space <= 0) { | |
322 | printf(">\n"); | |
323 | Error("Invalid count for tag %u", dp->tdir_tag); | |
324 | continue; | |
325 | } | |
326 | if (space <= 4) { | |
327 | switch (dp->tdir_type) { | |
328 | case TIFF_FLOAT: | |
329 | case TIFF_UNDEFINED: | |
330 | case TIFF_ASCII: { | |
331 | unsigned char data[4]; | |
332 | _TIFFmemcpy(data, &dp->tdir_offset, 4); | |
333 | if (swabflag) | |
334 | TIFFSwabLong((uint32*) data); | |
335 | PrintData(stdout, | |
336 | dp->tdir_type, dp->tdir_count, data); | |
337 | break; | |
338 | } | |
339 | case TIFF_BYTE: | |
340 | PrintByte(stdout, bytefmt, dp); | |
341 | break; | |
342 | case TIFF_SBYTE: | |
343 | PrintByte(stdout, sbytefmt, dp); | |
344 | break; | |
345 | case TIFF_SHORT: | |
346 | PrintShort(stdout, shortfmt, dp); | |
347 | break; | |
348 | case TIFF_SSHORT: | |
349 | PrintShort(stdout, sshortfmt, dp); | |
350 | break; | |
351 | case TIFF_LONG: | |
352 | PrintLong(stdout, longfmt, dp); | |
353 | break; | |
354 | case TIFF_SLONG: | |
355 | PrintLong(stdout, slongfmt, dp); | |
356 | break; | |
357 | case TIFF_IFD: | |
358 | PrintLong(stdout, ifdfmt, dp); | |
359 | break; | |
360 | } | |
361 | } else { | |
362 | unsigned char *data = (unsigned char *)_TIFFmalloc(space); | |
363 | if (data) { | |
364 | if (TIFFFetchData(fd, dp, data)) { | |
365 | if (dp->tdir_count > maxitems) { | |
366 | PrintData(stdout, dp->tdir_type, | |
367 | maxitems, data); | |
368 | printf(" ..."); | |
369 | } else | |
370 | PrintData(stdout, dp->tdir_type, | |
371 | dp->tdir_count, data); | |
372 | } | |
373 | _TIFFfree(data); | |
374 | } else | |
375 | Error("No space for data for tag %u", | |
376 | dp->tdir_tag); | |
377 | } | |
378 | printf(">\n"); | |
379 | } | |
380 | done: | |
381 | if (dir) | |
382 | _TIFFfree((char *)dir); | |
383 | return (nextdiroff); | |
384 | } | |
385 | ||
386 | static struct tagname { | |
387 | uint16 tag; | |
388 | char* name; | |
389 | } tagnames[] = { | |
390 | { TIFFTAG_SUBFILETYPE, "SubFileType" }, | |
391 | { TIFFTAG_OSUBFILETYPE, "OldSubFileType" }, | |
392 | { TIFFTAG_IMAGEWIDTH, "ImageWidth" }, | |
393 | { TIFFTAG_IMAGELENGTH, "ImageLength" }, | |
394 | { TIFFTAG_BITSPERSAMPLE, "BitsPerSample" }, | |
395 | { TIFFTAG_COMPRESSION, "Compression" }, | |
396 | { TIFFTAG_PHOTOMETRIC, "Photometric" }, | |
397 | { TIFFTAG_THRESHHOLDING, "Threshholding" }, | |
398 | { TIFFTAG_CELLWIDTH, "CellWidth" }, | |
399 | { TIFFTAG_CELLLENGTH, "CellLength" }, | |
400 | { TIFFTAG_FILLORDER, "FillOrder" }, | |
401 | { TIFFTAG_DOCUMENTNAME, "DocumentName" }, | |
402 | { TIFFTAG_IMAGEDESCRIPTION, "ImageDescription" }, | |
403 | { TIFFTAG_MAKE, "Make" }, | |
404 | { TIFFTAG_MODEL, "Model" }, | |
405 | { TIFFTAG_STRIPOFFSETS, "StripOffsets" }, | |
406 | { TIFFTAG_ORIENTATION, "Orientation" }, | |
407 | { TIFFTAG_SAMPLESPERPIXEL, "SamplesPerPixel" }, | |
408 | { TIFFTAG_ROWSPERSTRIP, "RowsPerStrip" }, | |
409 | { TIFFTAG_STRIPBYTECOUNTS, "StripByteCounts" }, | |
410 | { TIFFTAG_MINSAMPLEVALUE, "MinSampleValue" }, | |
411 | { TIFFTAG_MAXSAMPLEVALUE, "MaxSampleValue" }, | |
412 | { TIFFTAG_XRESOLUTION, "XResolution" }, | |
413 | { TIFFTAG_YRESOLUTION, "YResolution" }, | |
414 | { TIFFTAG_PLANARCONFIG, "PlanarConfig" }, | |
415 | { TIFFTAG_PAGENAME, "PageName" }, | |
416 | { TIFFTAG_XPOSITION, "XPosition" }, | |
417 | { TIFFTAG_YPOSITION, "YPosition" }, | |
418 | { TIFFTAG_FREEOFFSETS, "FreeOffsets" }, | |
419 | { TIFFTAG_FREEBYTECOUNTS, "FreeByteCounts" }, | |
420 | { TIFFTAG_GRAYRESPONSEUNIT, "GrayResponseUnit" }, | |
421 | { TIFFTAG_GRAYRESPONSECURVE,"GrayResponseCurve" }, | |
422 | { TIFFTAG_GROUP3OPTIONS, "Group3Options" }, | |
423 | { TIFFTAG_GROUP4OPTIONS, "Group4Options" }, | |
424 | { TIFFTAG_RESOLUTIONUNIT, "ResolutionUnit" }, | |
425 | { TIFFTAG_PAGENUMBER, "PageNumber" }, | |
426 | { TIFFTAG_COLORRESPONSEUNIT,"ColorResponseUnit" }, | |
427 | { TIFFTAG_TRANSFERFUNCTION, "TransferFunction" }, | |
428 | { TIFFTAG_SOFTWARE, "Software" }, | |
429 | { TIFFTAG_DATETIME, "DateTime" }, | |
430 | { TIFFTAG_ARTIST, "Artist" }, | |
431 | { TIFFTAG_HOSTCOMPUTER, "HostComputer" }, | |
432 | { TIFFTAG_PREDICTOR, "Predictor" }, | |
433 | { TIFFTAG_WHITEPOINT, "Whitepoint" }, | |
434 | { TIFFTAG_PRIMARYCHROMATICITIES,"PrimaryChromaticities" }, | |
435 | { TIFFTAG_COLORMAP, "Colormap" }, | |
436 | { TIFFTAG_HALFTONEHINTS, "HalftoneHints" }, | |
437 | { TIFFTAG_TILEWIDTH, "TileWidth" }, | |
438 | { TIFFTAG_TILELENGTH, "TileLength" }, | |
439 | { TIFFTAG_TILEOFFSETS, "TileOffsets" }, | |
440 | { TIFFTAG_TILEBYTECOUNTS, "TileByteCounts" }, | |
441 | { TIFFTAG_BADFAXLINES, "BadFaxLines" }, | |
442 | { TIFFTAG_CLEANFAXDATA, "CleanFaxData" }, | |
443 | { TIFFTAG_CONSECUTIVEBADFAXLINES, "ConsecutiveBadFaxLines" }, | |
444 | { TIFFTAG_SUBIFD, "SubIFD" }, | |
445 | { TIFFTAG_INKSET, "InkSet" }, | |
446 | { TIFFTAG_INKNAMES, "InkNames" }, | |
447 | { TIFFTAG_NUMBEROFINKS, "NumberOfInks" }, | |
448 | { TIFFTAG_DOTRANGE, "DotRange" }, | |
449 | { TIFFTAG_TARGETPRINTER, "TargetPrinter" }, | |
450 | { TIFFTAG_EXTRASAMPLES, "ExtraSamples" }, | |
451 | { TIFFTAG_SAMPLEFORMAT, "SampleFormat" }, | |
452 | { TIFFTAG_SMINSAMPLEVALUE, "SMinSampleValue" }, | |
453 | { TIFFTAG_SMAXSAMPLEVALUE, "SMaxSampleValue" }, | |
454 | { TIFFTAG_JPEGPROC, "JPEGProcessingMode" }, | |
455 | { TIFFTAG_JPEGIFOFFSET, "JPEGInterchangeFormat" }, | |
456 | { TIFFTAG_JPEGIFBYTECOUNT, "JPEGInterchangeFormatLength" }, | |
457 | { TIFFTAG_JPEGRESTARTINTERVAL,"JPEGRestartInterval" }, | |
458 | { TIFFTAG_JPEGLOSSLESSPREDICTORS,"JPEGLosslessPredictors" }, | |
459 | { TIFFTAG_JPEGPOINTTRANSFORM,"JPEGPointTransform" }, | |
460 | { TIFFTAG_JPEGTABLES, "JPEGTables" }, | |
461 | { TIFFTAG_JPEGQTABLES, "JPEGQTables" }, | |
462 | { TIFFTAG_JPEGDCTABLES, "JPEGDCTables" }, | |
463 | { TIFFTAG_JPEGACTABLES, "JPEGACTables" }, | |
464 | { TIFFTAG_YCBCRCOEFFICIENTS,"YCbCrCoefficients" }, | |
465 | { TIFFTAG_YCBCRSUBSAMPLING, "YCbCrSubsampling" }, | |
466 | { TIFFTAG_YCBCRPOSITIONING, "YCbCrPositioning" }, | |
467 | { TIFFTAG_REFERENCEBLACKWHITE, "ReferenceBlackWhite" }, | |
468 | { TIFFTAG_REFPTS, "IgReferencePoints (Island Graphics)" }, | |
469 | { TIFFTAG_REGIONTACKPOINT, "IgRegionTackPoint (Island Graphics)" }, | |
470 | { TIFFTAG_REGIONWARPCORNERS,"IgRegionWarpCorners (Island Graphics)" }, | |
471 | { TIFFTAG_REGIONAFFINE, "IgRegionAffine (Island Graphics)" }, | |
472 | { TIFFTAG_MATTEING, "OBSOLETE Matteing (Silicon Graphics)" }, | |
473 | { TIFFTAG_DATATYPE, "OBSOLETE DataType (Silicon Graphics)" }, | |
474 | { TIFFTAG_IMAGEDEPTH, "ImageDepth (Silicon Graphics)" }, | |
475 | { TIFFTAG_TILEDEPTH, "TileDepth (Silicon Graphics)" }, | |
476 | { 32768, "OLD BOGUS Matteing tag" }, | |
477 | { TIFFTAG_COPYRIGHT, "Copyright" }, | |
478 | { TIFFTAG_ICCPROFILE, "ICC Profile" }, | |
479 | { TIFFTAG_JBIGOPTIONS, "JBIG Options" }, | |
480 | { TIFFTAG_STONITS, "StoNits" }, | |
481 | }; | |
482 | #define NTAGS (sizeof (tagnames) / sizeof (tagnames[0])) | |
483 | ||
484 | static void | |
485 | PrintTag(FILE* fd, uint16 tag) | |
486 | { | |
487 | register struct tagname *tp; | |
488 | ||
489 | for (tp = tagnames; tp < &tagnames[NTAGS]; tp++) | |
490 | if (tp->tag == tag) { | |
491 | fprintf(fd, "%s (%u)", tp->name, tag); | |
492 | return; | |
493 | } | |
494 | fprintf(fd, "%u (%#x)", tag, tag); | |
495 | } | |
496 | ||
497 | static void | |
498 | PrintType(FILE* fd, uint16 type) | |
499 | { | |
500 | static char *typenames[] = { | |
501 | "0", | |
502 | "BYTE", | |
503 | "ASCII", | |
504 | "SHORT", | |
505 | "LONG", | |
506 | "RATIONAL", | |
507 | "SBYTE", | |
508 | "UNDEFINED", | |
509 | "SSHORT", | |
510 | "SLONG", | |
511 | "SRATIONAL", | |
512 | "FLOAT", | |
513 | "DOUBLE" | |
514 | }; | |
515 | #define NTYPES (sizeof (typenames) / sizeof (typenames[0])) | |
516 | ||
517 | if (type < NTYPES) | |
518 | fprintf(fd, "%s (%u)", typenames[type], type); | |
519 | else | |
520 | fprintf(fd, "%u (%#x)", type, type); | |
521 | } | |
522 | #undef NTYPES | |
523 | ||
524 | static void | |
525 | PrintByte(FILE* fd, const char* fmt, TIFFDirEntry* dp) | |
526 | { | |
527 | char* sep = ""; | |
528 | ||
529 | if (hdr.tiff_magic == TIFF_BIGENDIAN) { | |
530 | switch ((int)dp->tdir_count) { | |
531 | case 4: fprintf(fd, fmt, sep, dp->tdir_offset&0xff); | |
532 | sep = " "; | |
533 | case 3: fprintf(fd, fmt, sep, (dp->tdir_offset>>8)&0xff); | |
534 | sep = " "; | |
535 | case 2: fprintf(fd, fmt, sep, (dp->tdir_offset>>16)&0xff); | |
536 | sep = " "; | |
537 | case 1: fprintf(fd, fmt, sep, dp->tdir_offset>>24); | |
538 | } | |
539 | } else { | |
540 | switch ((int)dp->tdir_count) { | |
541 | case 4: fprintf(fd, fmt, sep, dp->tdir_offset>>24); | |
542 | sep = " "; | |
543 | case 3: fprintf(fd, fmt, sep, (dp->tdir_offset>>16)&0xff); | |
544 | sep = " "; | |
545 | case 2: fprintf(fd, fmt, sep, (dp->tdir_offset>>8)&0xff); | |
546 | sep = " "; | |
547 | case 1: fprintf(fd, fmt, sep, dp->tdir_offset&0xff); | |
548 | } | |
549 | } | |
550 | } | |
551 | ||
552 | static void | |
553 | PrintShort(FILE* fd, const char* fmt, TIFFDirEntry* dp) | |
554 | { | |
555 | char *sep = ""; | |
556 | ||
557 | if (hdr.tiff_magic == TIFF_BIGENDIAN) { | |
558 | switch (dp->tdir_count) { | |
559 | case 2: fprintf(fd, fmt, sep, dp->tdir_offset&0xffff); | |
560 | sep = " "; | |
561 | case 1: fprintf(fd, fmt, sep, dp->tdir_offset>>16); | |
562 | } | |
563 | } else { | |
564 | switch (dp->tdir_count) { | |
565 | case 2: fprintf(fd, fmt, sep, dp->tdir_offset>>16); | |
566 | sep = " "; | |
567 | case 1: fprintf(fd, fmt, sep, dp->tdir_offset&0xffff); | |
568 | } | |
569 | } | |
570 | } | |
571 | ||
572 | static void | |
573 | PrintLong(FILE* fd, const char* fmt, TIFFDirEntry* dp) | |
574 | { | |
575 | fprintf(fd, fmt, "", (long) dp->tdir_offset); | |
576 | } | |
577 | ||
578 | #include <ctype.h> | |
579 | ||
580 | static void | |
581 | PrintASCII(FILE* fd, uint32 cc, const unsigned char* cp) | |
582 | { | |
583 | for (; cc > 0; cc--, cp++) { | |
584 | const char* tp; | |
585 | ||
586 | if (isprint(*cp)) { | |
587 | fputc(*cp, fd); | |
588 | continue; | |
589 | } | |
590 | for (tp = "\tt\bb\rr\nn\vv"; *tp; tp++) | |
591 | if (*tp++ == *cp) | |
592 | break; | |
593 | if (*tp) | |
594 | fprintf(fd, "\\%c", *tp); | |
595 | else if (*cp) | |
596 | fprintf(fd, "\\%03o", *cp); | |
597 | else | |
598 | fprintf(fd, "\\0"); | |
599 | } | |
600 | } | |
601 | ||
602 | static void | |
603 | PrintData(FILE* fd, uint16 type, uint32 count, unsigned char* data) | |
604 | { | |
605 | char* sep = ""; | |
606 | ||
607 | switch (type) { | |
608 | case TIFF_BYTE: | |
609 | while (count-- > 0) | |
610 | fprintf(fd, bytefmt, sep, *data++), sep = " "; | |
611 | break; | |
612 | case TIFF_SBYTE: | |
613 | while (count-- > 0) | |
614 | fprintf(fd, sbytefmt, sep, *(char *)data++), sep = " "; | |
615 | break; | |
616 | case TIFF_UNDEFINED: | |
617 | while (count-- > 0) | |
618 | fprintf(fd, bytefmt, sep, *data++), sep = " "; | |
619 | break; | |
620 | case TIFF_ASCII: | |
621 | PrintASCII(fd, count, data); | |
622 | break; | |
623 | case TIFF_SHORT: { | |
624 | uint16 *wp = (uint16*)data; | |
625 | while (count-- > 0) | |
626 | fprintf(fd, shortfmt, sep, *wp++), sep = " "; | |
627 | break; | |
628 | } | |
629 | case TIFF_SSHORT: { | |
630 | int16 *wp = (int16*)data; | |
631 | while (count-- > 0) | |
632 | fprintf(fd, sshortfmt, sep, *wp++), sep = " "; | |
633 | break; | |
634 | } | |
635 | case TIFF_LONG: { | |
636 | uint32 *lp = (uint32*)data; | |
637 | while (count-- > 0) { | |
638 | fprintf(fd, longfmt, sep, (unsigned long) *lp++); | |
639 | sep = " "; | |
640 | } | |
641 | break; | |
642 | } | |
643 | case TIFF_SLONG: { | |
644 | int32 *lp = (int32*)data; | |
645 | while (count-- > 0) | |
646 | fprintf(fd, slongfmt, sep, (long) *lp++), sep = " "; | |
647 | break; | |
648 | } | |
649 | case TIFF_RATIONAL: { | |
650 | uint32 *lp = (uint32*)data; | |
651 | while (count-- > 0) { | |
652 | if (lp[1] == 0) | |
653 | fprintf(fd, "%sNan (%lu/%lu)", sep, | |
654 | (unsigned long) lp[0], | |
655 | (unsigned long) lp[1]); | |
656 | else | |
657 | fprintf(fd, rationalfmt, sep, | |
658 | (double)lp[0] / (double)lp[1]); | |
659 | sep = " "; | |
660 | lp += 2; | |
661 | } | |
662 | break; | |
663 | } | |
664 | case TIFF_SRATIONAL: { | |
665 | int32 *lp = (int32*)data; | |
666 | while (count-- > 0) { | |
667 | if (lp[1] == 0) | |
668 | fprintf(fd, "%sNan (%ld/%ld)", sep, | |
669 | (long) lp[0], (long) lp[1]); | |
670 | else | |
671 | fprintf(fd, srationalfmt, sep, | |
672 | (double)lp[0] / (double)lp[1]); | |
673 | sep = " "; | |
674 | lp += 2; | |
675 | } | |
676 | break; | |
677 | } | |
678 | case TIFF_FLOAT: { | |
679 | float *fp = (float *)data; | |
680 | while (count-- > 0) | |
681 | fprintf(fd, floatfmt, sep, *fp++), sep = " "; | |
682 | break; | |
683 | } | |
684 | case TIFF_DOUBLE: { | |
685 | double *dp = (double *)data; | |
686 | while (count-- > 0) | |
687 | fprintf(fd, doublefmt, sep, *dp++), sep = " "; | |
688 | break; | |
689 | } | |
690 | case TIFF_IFD: { | |
691 | uint32 *lp = (uint32*)data; | |
692 | while (count-- > 0) { | |
693 | fprintf(fd, ifdfmt, sep, (unsigned long) *lp++); | |
694 | sep = " "; | |
695 | } | |
696 | break; | |
697 | } | |
698 | } | |
699 | } | |
700 | ||
701 | /* | |
702 | * Fetch a contiguous directory item. | |
703 | */ | |
704 | static int | |
705 | TIFFFetchData(int fd, TIFFDirEntry* dir, void* cp) | |
706 | { | |
707 | int cc, w; | |
708 | ||
709 | w = (dir->tdir_type < NWIDTHS ? datawidth[dir->tdir_type] : 0); | |
710 | cc = dir->tdir_count * w; | |
711 | if (lseek(fd, (off_t)dir->tdir_offset, 0) != (off_t)-1 | |
712 | && read(fd, cp, cc) != -1) { | |
713 | if (swabflag) { | |
714 | switch (dir->tdir_type) { | |
715 | case TIFF_SHORT: | |
716 | case TIFF_SSHORT: | |
717 | TIFFSwabArrayOfShort((uint16*) cp, | |
718 | dir->tdir_count); | |
719 | break; | |
720 | case TIFF_LONG: | |
721 | case TIFF_SLONG: | |
722 | case TIFF_FLOAT: | |
723 | case TIFF_IFD: | |
724 | TIFFSwabArrayOfLong((uint32*) cp, | |
725 | dir->tdir_count); | |
726 | break; | |
727 | case TIFF_RATIONAL: | |
728 | TIFFSwabArrayOfLong((uint32*) cp, | |
729 | 2*dir->tdir_count); | |
730 | break; | |
731 | case TIFF_DOUBLE: | |
732 | TIFFSwabArrayOfDouble((double*) cp, | |
733 | dir->tdir_count); | |
734 | break; | |
735 | } | |
736 | } | |
737 | return (cc); | |
738 | } | |
739 | Error("Error while reading data for tag %u", dir->tdir_tag); | |
740 | return (0); | |
741 | } | |
742 | ||
743 | static void | |
744 | ReadError(char* what) | |
745 | { | |
746 | Fatal("Error while reading %s", what); | |
747 | } | |
748 | ||
749 | #include <stdarg.h> | |
750 | ||
751 | static void | |
752 | vError(FILE* fd, const char* fmt, va_list ap) | |
753 | { | |
754 | fprintf(fd, "%s: ", curfile); | |
755 | vfprintf(fd, fmt, ap); | |
756 | fprintf(fd, ".\n"); | |
757 | } | |
758 | ||
759 | static void | |
760 | Error(const char* fmt, ...) | |
761 | { | |
762 | va_list ap; | |
763 | va_start(ap, fmt); | |
764 | vError(stderr, fmt, ap); | |
765 | va_end(ap); | |
766 | } | |
767 | ||
768 | static void | |
769 | Fatal(const char* fmt, ...) | |
770 | { | |
771 | va_list ap; | |
772 | va_start(ap, fmt); | |
773 | vError(stderr, fmt, ap); | |
774 | va_end(ap); | |
775 | exit(-1); | |
776 | } | |
777 | ||
778 | /* vim: set ts=8 sts=8 sw=8 noet: */ |