1 /* mnote-canon-entry.c
2 *
3 * Copyright (c) 2002 Lutz Mueller <lutz@users.sourceforge.net>
4 * Copyright (c) 2003 Matthieu Castet <mat-c@users.sourceforge.net>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301 USA.
20 */
21
22 #include "config.h"
23 #include "mnote-canon-entry.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <math.h>
29
30 #include <libexif/exif-format.h>
31 #include <libexif/exif-utils.h>
32 #include <libexif/i18n.h>
33
34 #define CF(format,target,v,maxlen) \
35 { \
36 if (format != target) { \
37 snprintf (v, maxlen, \
38 _("Invalid format '%s', " \
39 "expected '%s'."), \
40 exif_format_get_name (format), \
41 exif_format_get_name (target)); \
42 break; \
43 } \
44 }
45
46 #define CC(number,target,v,maxlen) \
47 { \
48 if (number != target) { \
49 snprintf (v, maxlen, \
50 _("Invalid number of components (%i, " \
51 "expected %i)."), (int) number, (int) target); \
52 break; \
53 } \
54 }
55 #define CC2(number,t1,t2,v,maxlen) \
56 { \
57 if ((number != t1) && (number != t2)) { \
58 snprintf (v, maxlen, \
59 _("Invalid number of components (%i, " \
60 "expected %i or %i)."), (int) number, \
61 (int) t1, (int) t2); \
62 break; \
63 } \
64 }
65
66 #define UNDEFINED 0xFF
67
68 static const struct canon_entry_table_t {
69 unsigned int subtag;
70 ExifShort value;
71 const char *name;
72 } entries_settings_1 [] = {
73 #ifndef NO_VERBOSE_TAG_DATA
74 { 0, 1, N_("Macro")},
75 { 0, 2, N_("Normal")},
76 { 2, 1, N_("Economy")},
77 { 2, 2, N_("Normal")},
78 { 2, 3, N_("Fine")},
79 { 2, 4, N_("RAW")},
80 { 2, 5, N_("Superfine")},
81 { 3, 0, N_("Off")},
82 { 3, 1, N_("Auto")},
83 { 3, 2, N_("On")},
84 { 3, 3, N_("Red-eye reduction")},
85 { 3, 4, N_("Slow synchro")},
86 { 3, 5, N_("Auto, red-eye reduction")},
87 { 3, 6, N_("On, red-eye reduction")},
88 { 3, 16, N_("External flash")},
89 { 4, 0, N_("Single")},
90 { 4, 1, N_("Continuous")},
91 { 4, 2, N_("Movie")},
92 { 4, 3, N_("Continuous, speed priority")},
93 { 4, 4, N_("Continuous, low")},
94 { 4, 5, N_("Continuous, high")},
95 { 6, 0, N_("One-shot AF")},
96 { 6, 1, N_("AI servo AF")},
97 { 6, 2, N_("AI focus AF")},
98 { 6, 3, N_("Manual focus")},
99 { 6, 4, N_("Single")},
100 { 6, 5, N_("Continuous")},
101 { 6, 6, N_("Manual focus")},
102 { 6, 16, N_("Pan focus")},
103 { 8, 1, N_("JPEG")},
104 { 8, 2, N_("CRW+THM")},
105 { 8, 3, N_("AVI+THM")},
106 { 8, 4, N_("TIF")},
107 { 8, 5, N_("TIF+JPEG")},
108 { 8, 6, N_("CR2")},
109 { 8, 7, N_("CR2+JPEG")},
110 { 9, 0, N_("Large")},
111 { 9, 1, N_("Medium")},
112 { 9, 2, N_("Small")},
113 { 9, 5, N_("Medium 1")},
114 { 9, 6, N_("Medium 2")},
115 { 9, 7, N_("Medium 3")},
116 { 9, 8, N_("Postcard")},
117 { 9, 9, N_("Widescreen")},
118 {10, 0, N_("Full auto")},
119 {10, 1, N_("Manual")},
120 {10, 2, N_("Landscape")},
121 {10, 3, N_("Fast shutter")},
122 {10, 4, N_("Slow shutter")},
123 {10, 5, N_("Night")},
124 {10, 6, N_("Grayscale")},
125 {10, 7, N_("Sepia")},
126 {10, 8, N_("Portrait")},
127 {10, 9, N_("Sports")},
128 {10, 10, N_("Macro")},
129 {10, 11, N_("Black & white")},
130 {10, 12, N_("Pan focus")},
131 {10, 13, N_("Vivid")},
132 {10, 14, N_("Neutral")},
133 {10, 15, N_("Flash off")},
134 {10, 16, N_("Long shutter")},
135 {10, 17, N_("Super macro")},
136 {10, 18, N_("Foliage")},
137 {10, 19, N_("Indoor")},
138 {10, 20, N_("Fireworks")},
139 {10, 21, N_("Beach")},
140 {10, 22, N_("Underwater")},
141 {10, 23, N_("Snow")},
142 {10, 24, N_("Kids & pets")},
143 {10, 25, N_("Night snapshot")},
144 {10, 26, N_("Digital macro")},
145 {10, 27, N_("My colors")},
146 {10, 28, N_("Still image")},
147 {10, 30, N_("Color accent")},
148 {10, 31, N_("Color swap")},
149 {10, 32, N_("Aquarium")},
150 {10, 33, N_("ISO 3200")},
151 {11, 0, N_("None")},
152 {11, 1, N_("2x")},
153 {11, 2, N_("4x")},
154 {11, 3, N_("Other")},
155 {12, 0x0000, N_("Normal")},
156 {12, 0x0001, N_("High")},
157 {12, 0xffff, N_("Low")},
158 {13, 0x0000, N_("Normal")},
159 {13, 0x0001, N_("High")},
160 {13, 0xffff, N_("Low")},
161 {14, 0x0000, N_("Normal")},
162 {14, 0x0001, N_("High")},
163 {14, 0xffff, N_("Low")},
164 {15, 14, N_("Auto high")},
165 {15, 15, N_("Auto")},
166 {15, 16, N_("50")},
167 {15, 17, N_("100")},
168 {15, 18, N_("200")},
169 {15, 19, N_("400")},
170 {15, 20, N_("800")},
171 {16, 0, N_("Default")},
172 {16, 1, N_("Spot")},
173 {16, 2, N_("Average")},
174 {16, 3, N_("Evaluative")},
175 {16, 4, N_("Partial")},
176 {16, 5, N_("Center-weighted average")},
177 {17, 0, N_("Manual")},
178 {17, 1, N_("Auto")},
179 {17, 2, N_("Not known")},
180 {17, 3, N_("Macro")},
181 {17, 4, N_("Very close")},
182 {17, 5, N_("Close")},
183 {17, 6, N_("Middle range")},
184 {17, 7, N_("Far range")},
185 {17, 8, N_("Pan focus")},
186 {17, 9, N_("Super macro")},
187 {17, 10, N_("Infinity")},
188 {18, 0x2005, N_("Manual AF point selection")},
189 {18, 0x3000, N_("None (MF)")},
190 {18, 0x3001, N_("Auto-selected")},
191 {18, 0x3002, N_("Right")},
192 {18, 0x3003, N_("Center")},
193 {18, 0x3004, N_("Left")},
194 {18, 0x4001, N_("Auto AF point selection")},
195 {19, 0, N_("Easy shooting")},
196 {19, 1, N_("Program")},
197 {19, 2, N_("Tv-priority")},
198 {19, 3, N_("Av-priority")},
199 {19, 4, N_("Manual")},
200 {19, 5, N_("A-DEP")},
201 {19, 6, N_("M-DEP")},
202 {21, 1, N_("Canon EF 50mm f/1.8")},
203 {21, 2, N_("Canon EF 28mm f/2.8")},
204 {21, 4, N_("Sigma UC Zoom 35-135mm f/4-5.6")},
205 {21, 6, N_("Tokina AF193-2 19-35mm f/3.5-4.5")},
206 {21, 7, N_("Canon EF 100-300mm F5.6L")},
207 {21, 10, N_("Sigma 50mm f/2.8 EX or 28mm f/1.8")},
208 {21, 11, N_("Canon EF 35mm f/2")},
209 {21, 13, N_("Canon EF 15mm f/2.8")},
210 {21, 21, N_("Canon EF 80-200mm f/2.8L")},
211 {21, 22, N_("Tokina AT-X280AF PRO 28-80mm F2.8 Aspherical")},
212 {21, 26, N_("Cosina 100mm f/3.5 Macro AF")},
213 {21, 28, N_("Tamron AF Aspherical 28-200mm f/3.8-5.6")},
214 {21, 29, N_("Canon EF 50mm f/1.8 MkII")},
215 {21, 31, N_("Tamron SP AF 300mm f/2.8 LD IF")},
216 {21, 32, N_("Canon EF 24mm f/2.8 or Sigma 15mm f/2.8 EX Fisheye")},
217 {21, 37, N_("Canon EF 35-80mm f/4-5.6")},
218 {21, 39, N_("Canon EF 75-300mm f/4-5.6")},
219 {21, 40, N_("Canon EF 28-80mm f/3.5-5.6")},
220 {21, 43, N_("Canon EF 28-105mm f/4-5.6")},
221 {21, 45, N_("Canon EF-S 18-55mm f/3.5-5.6")},
222 {21, 52, N_("Canon EF-S 18-55mm f/3.5-5.6 IS II")},
223 {21, 124, N_("Canon MP-E 65mm f/2.8 1-5x Macro Photo")},
224 {21, 125, N_("Canon TS-E 24mm f/3.5L")},
225 {21, 126, N_("Canon TS-E 45mm f/2.8")},
226 {21, 127, N_("Canon TS-E 90mm f/2.8")},
227 {21, 130, N_("Canon EF 50mm f/1.0L")},
228 {21, 131, N_("Sigma 17-35mm f2.8-4 EX Aspherical HSM")},
229 {21, 134, N_("Canon EF 600mm f/4L IS")},
230 {21, 135, N_("Canon EF 200mm f/1.8L")},
231 {21, 136, N_("Canon EF 300mm f/2.8L")},
232 {21, 137, N_("Canon EF 85mm f/1.2L")},
233 {21, 139, N_("Canon EF 400mm f/2.8L")},
234 {21, 141, N_("Canon EF 500mm f/4.5L")},
235 {21, 142, N_("Canon EF 300mm f/2.8L IS")},
236 {21, 143, N_("Canon EF 500mm f/4L IS")},
237 {21, 149, N_("Canon EF 100mm f/2")},
238 {21, 150, N_("Sigma 20mm EX f/1.8")},
239 {21, 151, N_("Canon EF 200mm f/2.8L")},
240 {21, 152, N_("Sigma 10-20mm F4-5.6 or 12-24mm f/4.5-5.6 or 14mm f/2.8")},
241 {21, 153, N_("Canon EF 35-350mm f/3.5-5.6L")},
242 {21, 155, N_("Canon EF 85mm f/1.8 USM")},
243 {21, 156, N_("Canon EF 28-105mm f/3.5-4.5 USM")},
244 {21, 160, N_("Canon EF 20-35mm f/3.5-4.5 USM")},
245 {21, 161, N_("Canon EF 28-70mm f/2.8L or Sigma 24-70mm EX f/2.8")},
246 {21, 165, N_("Canon EF 70-200mm f/2.8 L")},
247 {21, 166, N_("Canon EF 70-200mm f/2.8 L + x1.4")},
248 {21, 167, N_("Canon EF 70-200mm f/2.8 L + x2")},
249 {21, 168, N_("Canon EF 28mm f/1.8 USM")},
250 {21, 169, N_("Sigma 15-30mm f/3.5-4.5 EX DG Aspherical")},
251 {21, 170, N_("Canon EF 200mm f/2.8L II")},
252 {21, 173, N_("Canon EF 180mm Macro f/3.5L or Sigma 180mm EX HSM Macro f/3.5")},
253 {21, 174, N_("Canon EF 135mm f/2L")},
254 {21, 176, N_("Canon EF 24-85mm f/3.5-4.5 USM")},
255 {21, 177, N_("Canon EF 300mm f/4L IS")},
256 {21, 178, N_("Canon EF 28-135mm f/3.5-5.6 IS")},
257 {21, 180, N_("Canon EF 35mm f/1.4L")},
258 {21, 181, N_("Canon EF 100-400mm f/4.5-5.6L IS + x1.4")},
259 {21, 182, N_("Canon EF 100-400mm f/4.5-5.6L IS + x2")},
260 {21, 183, N_("Canon EF 100-400mm f/4.5-5.6L IS")},
261 {21, 184, N_("Canon EF 400mm f/2.8L + x2")},
262 {21, 186, N_("Canon EF 70-200mm f/4L")},
263 {21, 190, N_("Canon EF 100mm f/2.8 Macro")},
264 {21, 191, N_("Canon EF 400mm f/4 DO IS")},
265 {21, 197, N_("Canon EF 75-300mm f/4-5.6 IS")},
266 {21, 198, N_("Canon EF 50mm f/1.4")},
267 {21, 202, N_("Canon EF 28-80 f/3.5-5.6 USM IV")},
268 {21, 211, N_("Canon EF 28-200mm f/3.5-5.6")},
269 {21, 213, N_("Canon EF 90-300mm f/4.5-5.6")},
270 {21, 214, N_("Canon EF-S 18-55mm f/3.5-4.5 USM")},
271 {21, 224, N_("Canon EF 70-200mm f/2.8L IS USM")},
272 {21, 225, N_("Canon EF 70-200mm f/2.8L IS USM + x1.4")},
273 {21, 226, N_("Canon EF 70-200mm f/2.8L IS USM + x2")},
274 {21, 229, N_("Canon EF 16-35mm f/2.8L")},
275 {21, 230, N_("Canon EF 24-70mm f/2.8L")},
276 {21, 231, N_("Canon EF 17-40mm f/4L")},
277 {21, 232, N_("Canon EF 70-300mm f/4.5-5.6 DO IS USM")},
278 {21, 234, N_("Canon EF-S 17-85mm f4-5.6 IS USM")},
279 {21, 235, N_("Canon EF-S10-22mm F3.5-4.5 USM")},
280 {21, 236, N_("Canon EF-S60mm F2.8 Macro USM")},
281 {21, 237, N_("Canon EF 24-105mm f/4L IS")},
282 {21, 238, N_("Canon EF 70-300mm F4-5.6 IS USM")},
283 {21, 241, N_("Canon EF 50mm F1.2L USM")},
284 {21, 242, N_("Canon EF 70-200mm f/4L IS USM")},
285 {21, 251, N_("Canon EF 70-200mm f/2.8L IS II USM")},
286 {28, 0, N_("Manual")},
287 {28, 1, N_("TTL")},
288 {28, 2, N_("A-TTL")},
289 {28, 3, N_("E-TTL")},
290 {28, 4, N_("FP sync enabled")},
291 {28, 7, N_("2nd-curtain sync used")},
292 {28, 11, N_("FP sync used")},
293 {28, 13, N_("Internal")},
294 {28, 14, N_("External")},
295 {31, 0, N_("Single")},
296 {31, 1, N_("Continuous")},
297 {32, 0, N_("Normal AE")},
298 {32, 1, N_("Exposure compensation")},
299 {32, 2, N_("AE lock")},
300 {32, 3, N_("AE lock + exposure compensation")},
301 {32, 4, N_("No AE")},
302 {33, 0, N_("Off")},
303 {33, 1, N_("On")},
304 {33, 2, N_("On, shot only")},
305 {39, 0, N_("Off")},
306 {39, 1, N_("Vivid")},
307 {39, 2, N_("Neutral")},
308 {39, 3, N_("Smooth")},
309 {39, 4, N_("Sepia")},
310 {39, 5, N_("Black & white")},
311 {39, 6, N_("Custom")},
312 {39, 100, N_("My color data")},
313 {40, 0, N_("Off")},
314 {40, 0x0500, N_("Full")},
315 {40, 0x0502, N_("2/3")},
316 {40, 0x0504, N_("1/3")},
317 #endif
318 { 0, 0, NULL}
319 },
320 entries_focal_length [] = {
321 #ifndef NO_VERBOSE_TAG_DATA
322 {0, 1, N_("Fixed")},
323 {0, 2, N_("Zoom")},
324 #endif
325 {0, 0, NULL}
326 },
327 entries_settings_2 [] = {
328 #ifndef NO_VERBOSE_TAG_DATA
329 { 6, 0, N_("Auto")},
330 { 6, 1, N_("Sunny")},
331 { 6, 2, N_("Cloudy")},
332 { 6, 3, N_("Tungsten")},
333 { 6, 4, N_("Fluorescent")},
334 { 6, 5, N_("Flash")},
335 { 6, 6, N_("Custom")},
336 { 6, 7, N_("Black & white")},
337 { 6, 8, N_("Shade")},
338 { 6, 9, N_("Manual temperature (Kelvin)")},
339 { 6, 10, N_("PC set 1")},
340 { 6, 11, N_("PC set 2")},
341 { 6, 12, N_("PC set 3")},
342 { 6, 14, N_("Daylight fluorescent")},
343 { 6, 15, N_("Custom 1")},
344 { 6, 16, N_("Custom 2")},
345 { 6, 17, N_("Underwater")},
346 { 7, 0, N_("Off")},
347 { 7, 1, N_("Night scene")},
348 { 7, 2, N_("On")},
349 { 7, 3, N_("None")},
350 { 13, 0x3000, N_("None (MF)")},
351 { 13, 0x3001, N_("Right")},
352 { 13, 0x3002, N_("Center")},
353 { 13, 0x3003, N_("Center-right")},
354 { 13, 0x3004, N_("Left")},
355 { 13, 0x3005, N_("Left-right")},
356 { 13, 0x3006, N_("Left-center")},
357 { 13, 0x3007, N_("All")},
358 { 15, 0, N_("Off")},
359 { 15, 1, N_("On (shot 1)")},
360 { 15, 2, N_("On (shot 2)")},
361 { 15, 3, N_("On (shot 3)")},
362 { 15, 0xffff, N_("On")},
363 { 25, 248, N_("EOS high-end")},
364 { 25, 250, N_("Compact")},
365 { 25, 252, N_("EOS mid-range")},
366 { 26, 0, N_("None")},
367 { 26, 1, N_("Rotate 90 CW")},
368 { 26, 2, N_("Rotate 180")},
369 { 26, 3, N_("Rotate 270 CW")},
370 { 26, 0xffff, N_("Rotated by software")},
371 { 27, 0, N_("Off")},
372 { 27, 1, N_("On")},
373 { 32, 0, N_("Off")},
374 { 32, 0x0014, N_("1/3")},
375 { 32, 0x008c, N_("2/3")},
376 { 32, 0x07d0, N_("Full")},
377 #endif
378 {0, 0, NULL}
379 },
380 entries_panorama [] = {
381 #ifndef NO_VERBOSE_TAG_DATA
382 {0, 0, N_("Left to right")},
383 {0, 1, N_("Right to left")},
384 {0, 2, N_("Bottom to top")},
385 {0, 3, N_("Top to bottom")},
386 {0, 4, N_("2x2 matrix (clockwise)")},
387 #endif
388 {0, 0, NULL}
389 },
390 color_information [] = {
391 #ifndef NO_VERBOSE_TAG_DATA
392 {0, 0, N_("Standard")},
393 {0, 1, N_("Manual")},
394 {0, 2, N_("Custom")},
395 {2, 0, N_("N/A")},
396 {2, 1, N_("Lowest")},
397 {2, 2, N_("Low")},
398 {2, 3, N_("Standard")},
399 {2, 4, N_("High")},
400 {2, 5, N_("Highest")},
401 {7, 0, N_("Auto")},
402 {7, 1, N_("Daylight")},
403 {7, 2, N_("Cloudy")},
404 {7, 3, N_("Tungsten")},
405 {7, 4, N_("Fluorescent")},
406 {7, 5, N_("Flash")},
407 {7, 6, N_("Custom")},
408 {7, 7, N_("Black & white")},
409 {7, 8, N_("Shade")},
410 {7, 9, N_("Manual temperature (Kelvin)")},
411 {7, 10, N_("PC set 1")},
412 {7, 11, N_("PC set 2")},
413 {7, 12, N_("PC set 3")},
414 {7, 14, N_("Daylight fluorescent")},
415 {7, 15, N_("Custom 1")},
416 {7, 16, N_("Custom 2")},
417 {7, 17, N_("Underwater")},
418 {9, 0x00, N_("None")},
419 {9, 0x01, N_("Standard")},
420 {9, 0x02, N_("Set 1")},
421 {9, 0x03, N_("Set 2")},
422 {9, 0x04, N_("Set 3")},
423 {9, 0x21, N_("User def. 1")},
424 {9, 0x22, N_("User def. 2")},
425 {9, 0x23, N_("User def. 3")},
426 {9, 0x41, N_("External 1")},
427 {9, 0x42, N_("External 2")},
428 {9, 0x43, N_("External 3")},
429 {9, 0x81, N_("Standard")},
430 {9, 0x82, N_("Portrait")},
431 {9, 0x83, N_("Landscape")},
432 {9, 0x84, N_("Neutral")},
433 {9, 0x85, N_("Faithful")},
434 {9, 0x86, N_("Monochrome")},
435 #endif
436 {0, 0, NULL}
437 };
438
439 static void
canon_search_table_value(const struct canon_entry_table_t table[],unsigned int t,ExifShort vs,char * val,unsigned int maxlen)440 canon_search_table_value (const struct canon_entry_table_t table[],
441 unsigned int t, ExifShort vs, char *val, unsigned int maxlen)
442 {
443 unsigned int j;
444
445 /* Search the table for the first matching subtag and value. */
446 for (j = 0; table[j].name && ((table[j].subtag < t) ||
447 ((table[j].subtag == t) && table[j].value <= vs)); j++) {
448 if ((table[j].subtag == t) && (table[j].value == vs)) {
449 break;
450 }
451 }
452 if ((table[j].subtag == t) && (table[j].value == vs) && table[j].name) {
453 /* Matching subtag and value found. */
454 strncpy (val, _(table[j].name), maxlen);
455 } else {
456 /* No matching subtag and/or value found. */
457 snprintf (val, maxlen, "0x%04x", vs);
458 }
459 }
460
461 static void
canon_search_table_bitfield(const struct canon_entry_table_t table[],unsigned int t,ExifShort vs,char * val,unsigned int maxlen)462 canon_search_table_bitfield (const struct canon_entry_table_t table[],
463 unsigned int t, ExifShort vs, char *val, unsigned int maxlen)
464 {
465 unsigned int j;
466
467 /* Search the table for the first matching subtag. */
468 for (j = 0; table[j].name && (table[j].subtag <= t); j++) {
469 if (table[j].subtag == t) {
470 break;
471 }
472 }
473 if ((table[j].subtag == t) && table[j].name) {
474 unsigned int i, bit, lastbit = 0;
475
476 /*
477 * Search the table for the last matching bit, because
478 * that one needs no additional comma appended.
479 */
480 for (i = j; table[i].name && (table[i].subtag == t); i++) {
481 bit = table[i].value;
482 if ((vs >> bit) & 1) {
483 lastbit = bit;
484 }
485 }
486 /* Search the table for all matching bits. */
487 for (i = j; table[i].name && (table[i].subtag == t); i++) {
488 bit = table[i].value;
489 if ((vs >> bit) & 1) {
490 strncat(val, _(table[i].name), maxlen - strlen (val));
491 if (bit != lastbit)
492 strncat (val, _(", "), maxlen - strlen (val));
493 }
494 }
495 } else {
496 /* No matching subtag found. */
497 snprintf (val, maxlen, "0x%04x", vs);
498 }
499 }
500
501 unsigned int
mnote_canon_entry_count_values(const MnoteCanonEntry * entry)502 mnote_canon_entry_count_values (const MnoteCanonEntry *entry)
503 {
504 unsigned int val;
505
506 if (!entry) return 0;
507
508 switch (entry->tag) {
509 case MNOTE_CANON_TAG_FOCAL_LENGTH:
510 case MNOTE_CANON_TAG_PANORAMA:
511 return entry->components;
512 case MNOTE_CANON_TAG_SETTINGS_1:
513 case MNOTE_CANON_TAG_SETTINGS_2:
514 case MNOTE_CANON_TAG_CUSTOM_FUNCS:
515 case MNOTE_CANON_TAG_COLOR_INFORMATION:
516 if (entry->format != EXIF_FORMAT_SHORT) return 0;
517
518 val = exif_get_short (entry->data, entry->order);
519 /* val is buffer size, i.e. # of values plus 1 */
520 return MIN (entry->size - 2, val) / 2;
521 default:
522 return 1;
523 }
524 }
525
526 /*
527 * For reference, see Exif 2.1 specification (Appendix C),
528 * or http://en.wikipedia.org/wiki/APEX_system
529 */
530 static double
apex_value_to_aperture(double x)531 apex_value_to_aperture (double x)
532 {
533 return pow (2, x / 2.);
534 }
535
536 static double
apex_value_to_shutter_speed(double x)537 apex_value_to_shutter_speed(double x)
538 {
539 return 1.0 / pow (2, x);
540 }
541
542 static double
apex_value_to_iso_speed(double x)543 apex_value_to_iso_speed (double x)
544 {
545 return 3.125 * pow (2, x);
546 }
547
548 char *
mnote_canon_entry_get_value(const MnoteCanonEntry * entry,unsigned int t,char * val,unsigned int maxlen)549 mnote_canon_entry_get_value (const MnoteCanonEntry *entry, unsigned int t, char *val, unsigned int maxlen)
550 {
551 char buf[128];
552 ExifLong vl;
553 ExifSLong vsl;
554 ExifShort vs, n;
555 ExifSShort vss;
556 unsigned char *data;
557 size_t size;
558 double d;
559
560 if (!entry)
561 return NULL;
562
563 data = entry->data;
564 size = entry->size;
565
566 memset (val, 0, maxlen);
567 maxlen--;
568
569 switch (entry->tag) {
570 case MNOTE_CANON_TAG_SETTINGS_1:
571 CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen);
572
573 if (size < 2) return NULL;
574 n = exif_get_short (data, entry->order) / 2;
575 if (t >= n) return NULL;
576
577 CC (entry->components, n, val, maxlen);
578
579 if (size < 2 + t*2 + 2) return NULL;
580 vs = exif_get_short (data + 2 + t * 2, entry->order);
581 switch (t) {
582 case 1:
583 if (!vs) {
584 strncpy(val, _("Off"), maxlen);
585 break;
586 }
587 snprintf (val, maxlen, _("%i (ms)"), vs * 100);
588 break;
589 case 15:
590 if (((vs & 0xC000) == 0x4000) && (vs != 0x7FFF)) {
591 /* Canon S3 IS - directly specified value */
592 snprintf (val, maxlen, "%i", vs & ~0x4000);
593 } else {
594 /* Standard Canon - index into lookup table */
595 canon_search_table_value (entries_settings_1, t, vs, val, maxlen);
596 }
597 break;
598 case 22:
599 case 23:
600 case 24:
601 snprintf (val, maxlen, "%u", vs);
602 break;
603 case 25:
604 case 26:
605 snprintf (val, maxlen, "%.2f", apex_value_to_aperture (vs / 32.0));
606 break;
607 case 28:
608 canon_search_table_bitfield(entries_settings_1, t, vs, val, maxlen);
609 break;
610 case 34:
611 snprintf (val, maxlen, "%.2f", vs / 10.0);
612 break;
613 case 35:
614 case 36:
615 snprintf (val, maxlen, "%u", vs);
616 break;
617 default:
618 canon_search_table_value (entries_settings_1, t, vs, val, maxlen);
619 }
620 break;
621
622 case MNOTE_CANON_TAG_FOCAL_LENGTH:
623 CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen);
624 if (size < t*2 + 2) return NULL;
625 vs = exif_get_short (data + t * 2, entry->order);
626 switch (t) {
627 case 1:
628 snprintf (val, maxlen, "%u", vs);
629 break;
630 case 2:
631 case 3:
632 snprintf (val, maxlen, _("%.2f mm"), vs * 25.4 / 1000);
633 break;
634 default:
635 canon_search_table_value (entries_focal_length, t, vs, val, maxlen);
636 }
637 break;
638
639 case MNOTE_CANON_TAG_SETTINGS_2:
640 CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen);
641 if (size < 2) return NULL;
642 n = exif_get_short (data, entry->order) / 2;
643 if (t >= n) return NULL;
644 CC (entry->components, n, val, maxlen);
645 if (size < 2 + t*2 + 2) return NULL;
646 vss = exif_get_sshort (data + 2 + t * 2, entry->order);
647 switch (t) {
648 case 0:
649 snprintf (val, maxlen, "%.3f", pow (2, vss / 32.0));
650 break;
651 case 1:
652 snprintf (val, maxlen, "%.0f", apex_value_to_iso_speed (vss / 32.0));
653 break;
654 case 2:
655 case 5:
656 case 14:
657 case 16:
658 snprintf (val, maxlen, _("%.2f EV"), vss / 32.0);
659 break;
660 case 3:
661 case 20:
662 snprintf (val, maxlen, "%.2f", apex_value_to_aperture (vss / 32.0));
663 break;
664 case 4:
665 case 21:
666 d = apex_value_to_shutter_speed (vss / 32.0);
667 if (d < 1)
668 snprintf (val, maxlen, _("1/%.0f"), 1.0 / d);
669 else
670 snprintf (val, maxlen, "%.0f", d);
671 break;
672 case 8:
673 snprintf (val, maxlen, "%u", vss);
674 break;
675 case 12:
676 snprintf (val, maxlen, "%.2f", vss / 32.0);
677 break;
678 case 18:
679 case 19:
680 snprintf (val, maxlen, _("%u mm"), vss);
681 break;
682 case 28:
683 if (vss <= 0) {
684 strncpy(val, _("Off"), maxlen);
685 break;
686 }
687 snprintf (val, maxlen, _("%i (ms)"), vss * 100);
688 break;
689 default:
690 canon_search_table_value (entries_settings_2, t, vss, val, maxlen);
691 }
692 break;
693
694 case MNOTE_CANON_TAG_PANORAMA:
695 CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen);
696 if (size < t*2 + 2) return NULL;
697 vs = exif_get_short (data + t * 2, entry->order);
698 canon_search_table_value (entries_panorama, t, vs, val, maxlen);
699 break;
700
701 case MNOTE_CANON_TAG_OWNER:
702 CC (entry->components, 32, val, maxlen);
703 /* Fall through; ImageType can have many sizes */
704 /* fall through */
705 case MNOTE_CANON_TAG_IMAGE_TYPE:
706 CF (entry->format, EXIF_FORMAT_ASCII, val, maxlen);
707 strncpy (val, (char *)data, MIN (entry->size, maxlen));
708 break;
709
710 case MNOTE_CANON_TAG_FIRMWARE:
711 CF (entry->format, EXIF_FORMAT_ASCII, val, maxlen);
712 /* CC2 (entry->components, 24, 32, val, maxlen); Can also be 22 */
713 strncpy (val, (char *)data, MIN (entry->size, maxlen));
714 break;
715
716 case MNOTE_CANON_TAG_IMAGE_NUMBER:
717 CF (entry->format, EXIF_FORMAT_LONG, val, maxlen);
718 CC (entry->components, 1, val, maxlen);
719 if (size < 4) return NULL;
720 vl = exif_get_long (data, entry->order);
721 snprintf (val, maxlen, "%03lu-%04lu",
722 (unsigned long) vl/10000,
723 (unsigned long) vl%10000);
724 break;
725
726 case MNOTE_CANON_TAG_SERIAL_NUMBER:
727 CF (entry->format, EXIF_FORMAT_LONG, val, maxlen);
728 CC (entry->components, 1, val, maxlen);
729 if (size < 4) return NULL;
730 vl = exif_get_long (data, entry->order);
731 snprintf (val, maxlen, "%04X-%05d", (int)vl>>16,(int)vl&0xffff);
732 break;
733
734 case MNOTE_CANON_TAG_CUSTOM_FUNCS:
735 CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen);
736 if (size < 2) return NULL;
737 n = exif_get_short (data, entry->order) / 2;
738 if (t >= n) return NULL;
739 CC (entry->components, n, val, maxlen);
740 if (size < 2 + t*2 + 2) return NULL;
741 vs = exif_get_short (data + 2 + t * 2, entry->order);
742 snprintf (buf, sizeof (buf), "%u", vs);
743 strncat (val, buf, maxlen - strlen (val));
744 break;
745
746 case MNOTE_CANON_TAG_COLOR_INFORMATION:
747 CF (entry->format, EXIF_FORMAT_SHORT, val, maxlen);
748 if (size < 2) return NULL;
749 n = exif_get_short (data, entry->order) / 2;
750 if (t >= n) return NULL;
751 CC (entry->components, n, val, maxlen);
752 if (size < 2 + t*2 + 2) return NULL;
753 vs = exif_get_short (data + 2 + t * 2, entry->order);
754 canon_search_table_value (color_information, t, vs, val, maxlen);
755 break;
756
757 default:
758 switch (entry->format) {
759 case EXIF_FORMAT_SHORT:
760 {
761 size_t i, len = strlen(val);
762 for(i=0; i<entry->components; i++) {
763 if (size < 2)
764 break;
765 vs = exif_get_short (data, entry->order);
766 snprintf (val+len, maxlen-len, "%hu ", vs);
767 len = strlen(val);
768 data += 2;
769 size -= 2;
770 }
771 }
772 break;
773 case EXIF_FORMAT_SSHORT:
774 {
775 size_t i, len = strlen(val);
776 for(i=0; i<entry->components; i++) {
777 if (size < 2)
778 break;
779 vss = exif_get_sshort (data, entry->order);
780 snprintf (val+len, maxlen-len, "%hi ", vss);
781 data += 2;
782 size -= 2;
783 }
784 }
785 break;
786 case EXIF_FORMAT_LONG:
787 {
788 size_t i, len = strlen(val);
789 for(i=0; i<entry->components; i++) {
790 if (size < 4)
791 break;
792 vl = exif_get_long (data, entry->order);
793 snprintf (val+len, maxlen-len, "%lu ", (long unsigned) vl);
794 data += 4;
795 size -= 4;
796 }
797 }
798 break;
799 case EXIF_FORMAT_SLONG:
800 {
801 size_t i, len = strlen(val);
802 for(i=0; i<entry->components; i++) {
803 if (size < 4)
804 break;
805 vsl = exif_get_slong (data, entry->order);
806 snprintf (val+len, maxlen-len, "%li ", (long int) vsl);
807 data += 4;
808 size -= 4;
809 }
810 }
811 break;
812 case EXIF_FORMAT_ASCII:
813 strncpy (val, (char *)data, MIN (entry->size, maxlen));
814 break;
815 default:
816 snprintf (val, maxlen, _("%i bytes unknown data"),
817 entry->size);
818 break;
819 }
820 break;
821 }
822 return val;
823 }
824