1 | /*****************************************************************************/ |
2 | // Copyright 2006-2008 Adobe Systems Incorporated |
3 | // All Rights Reserved. |
4 | // |
5 | // NOTICE: Adobe permits you to use, modify, and distribute this file in |
6 | // accordance with the terms of the Adobe license agreement accompanying it. |
7 | /*****************************************************************************/ |
8 | |
9 | /* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_exif.cpp#1 $ */ |
10 | /* $DateTime: 2012/05/30 13:28:51 $ */ |
11 | /* $Change: 832332 $ */ |
12 | /* $Author: tknoll $ */ |
13 | |
14 | /*****************************************************************************/ |
15 | |
16 | #include "dng_exif.h" |
17 | |
18 | #include "dng_tag_codes.h" |
19 | #include "dng_tag_types.h" |
20 | #include "dng_parse_utils.h" |
21 | #include "dng_globals.h" |
22 | #include "dng_exceptions.h" |
23 | #include "dng_tag_values.h" |
24 | #include "dng_utils.h" |
25 | |
26 | /*****************************************************************************/ |
27 | |
28 | dng_exif::dng_exif () |
29 | |
30 | : fImageDescription () |
31 | , fMake () |
32 | , fModel () |
33 | , fSoftware () |
34 | , fArtist () |
35 | , fCopyright () |
36 | , fCopyright2 () |
37 | , fUserComment () |
38 | |
39 | , fDateTime () |
40 | , fDateTimeStorageInfo () |
41 | |
42 | , fDateTimeOriginal () |
43 | , fDateTimeOriginalStorageInfo () |
44 | |
45 | , fDateTimeDigitized () |
46 | , fDateTimeDigitizedStorageInfo () |
47 | |
48 | , fTIFF_EP_StandardID (0) |
49 | , fExifVersion (0) |
50 | , fFlashPixVersion (0) |
51 | |
52 | , fExposureTime () |
53 | , fFNumber () |
54 | , fShutterSpeedValue () |
55 | , fApertureValue () |
56 | , fBrightnessValue () |
57 | , fExposureBiasValue () |
58 | , fMaxApertureValue () |
59 | , fFocalLength () |
60 | , fDigitalZoomRatio () |
61 | , fExposureIndex () |
62 | , fSubjectDistance () |
63 | , fGamma () |
64 | |
65 | , fBatteryLevelR () |
66 | , fBatteryLevelA () |
67 | |
68 | , fExposureProgram (0xFFFFFFFF) |
69 | , fMeteringMode (0xFFFFFFFF) |
70 | , fLightSource (0xFFFFFFFF) |
71 | , fFlash (0xFFFFFFFF) |
72 | , fFlashMask (0x0000FFFF) |
73 | , fSensingMethod (0xFFFFFFFF) |
74 | , fColorSpace (0xFFFFFFFF) |
75 | , fFileSource (0xFFFFFFFF) |
76 | , fSceneType (0xFFFFFFFF) |
77 | , fCustomRendered (0xFFFFFFFF) |
78 | , fExposureMode (0xFFFFFFFF) |
79 | , fWhiteBalance (0xFFFFFFFF) |
80 | , fSceneCaptureType (0xFFFFFFFF) |
81 | , fGainControl (0xFFFFFFFF) |
82 | , fContrast (0xFFFFFFFF) |
83 | , fSaturation (0xFFFFFFFF) |
84 | , fSharpness (0xFFFFFFFF) |
85 | , fSubjectDistanceRange (0xFFFFFFFF) |
86 | , fSelfTimerMode (0xFFFFFFFF) |
87 | , fImageNumber (0xFFFFFFFF) |
88 | |
89 | , fFocalLengthIn35mmFilm (0) |
90 | |
91 | , fSensitivityType (0) |
92 | , fStandardOutputSensitivity (0) |
93 | , fRecommendedExposureIndex (0) |
94 | , fISOSpeed (0) |
95 | , fISOSpeedLatitudeyyy (0) |
96 | , fISOSpeedLatitudezzz (0) |
97 | |
98 | , fSubjectAreaCount (0) |
99 | |
100 | , fComponentsConfiguration (0) |
101 | |
102 | , fCompresssedBitsPerPixel () |
103 | |
104 | , fPixelXDimension (0) |
105 | , fPixelYDimension (0) |
106 | |
107 | , fFocalPlaneXResolution () |
108 | , fFocalPlaneYResolution () |
109 | |
110 | , fFocalPlaneResolutionUnit (0xFFFFFFFF) |
111 | |
112 | , fCFARepeatPatternRows (0) |
113 | , fCFARepeatPatternCols (0) |
114 | |
115 | , fImageUniqueID () |
116 | |
117 | , fGPSVersionID (0) |
118 | , fGPSLatitudeRef () |
119 | , fGPSLongitudeRef () |
120 | , fGPSAltitudeRef (0xFFFFFFFF) |
121 | , fGPSAltitude () |
122 | , fGPSSatellites () |
123 | , fGPSStatus () |
124 | , fGPSMeasureMode () |
125 | , fGPSDOP () |
126 | , fGPSSpeedRef () |
127 | , fGPSSpeed () |
128 | , fGPSTrackRef () |
129 | , fGPSTrack () |
130 | , fGPSImgDirectionRef () |
131 | , fGPSImgDirection () |
132 | , fGPSMapDatum () |
133 | , fGPSDestLatitudeRef () |
134 | , fGPSDestLongitudeRef () |
135 | , fGPSDestBearingRef () |
136 | , fGPSDestBearing () |
137 | , fGPSDestDistanceRef () |
138 | , fGPSDestDistance () |
139 | , fGPSProcessingMethod () |
140 | , fGPSAreaInformation () |
141 | , fGPSDateStamp () |
142 | , fGPSDifferential (0xFFFFFFFF) |
143 | , fGPSHPositioningError () |
144 | |
145 | , fInteroperabilityIndex () |
146 | |
147 | , fInteroperabilityVersion (0) |
148 | |
149 | , fRelatedImageFileFormat () |
150 | |
151 | , fRelatedImageWidth (0) |
152 | , fRelatedImageLength (0) |
153 | |
154 | , fCameraSerialNumber () |
155 | |
156 | , fLensID () |
157 | , fLensMake () |
158 | , fLensName () |
159 | , fLensSerialNumber () |
160 | |
161 | , fLensNameWasReadFromExif (false) |
162 | |
163 | , fApproxFocusDistance () |
164 | |
165 | , fFlashCompensation () |
166 | |
167 | , fOwnerName () |
168 | , fFirmware () |
169 | |
170 | { |
171 | |
172 | uint32 j; |
173 | uint32 k; |
174 | |
175 | fISOSpeedRatings [0] = 0; |
176 | fISOSpeedRatings [1] = 0; |
177 | fISOSpeedRatings [2] = 0; |
178 | |
179 | for (j = 0; j < kMaxCFAPattern; j++) |
180 | for (k = 0; k < kMaxCFAPattern; k++) |
181 | { |
182 | fCFAPattern [j] [k] = 255; |
183 | } |
184 | |
185 | } |
186 | |
187 | /*****************************************************************************/ |
188 | |
189 | dng_exif::~dng_exif () |
190 | { |
191 | |
192 | } |
193 | |
194 | /*****************************************************************************/ |
195 | |
196 | dng_exif * dng_exif::Clone () const |
197 | { |
198 | |
199 | dng_exif *result = new dng_exif (*this); |
200 | |
201 | if (!result) |
202 | { |
203 | ThrowMemoryFull (); |
204 | } |
205 | |
206 | return result; |
207 | |
208 | } |
209 | |
210 | /*****************************************************************************/ |
211 | |
212 | void dng_exif::SetEmpty () |
213 | { |
214 | |
215 | *this = dng_exif (); |
216 | |
217 | } |
218 | |
219 | /*****************************************************************************/ |
220 | |
221 | void dng_exif::CopyGPSFrom (const dng_exif &exif) |
222 | { |
223 | |
224 | fGPSVersionID = exif.fGPSVersionID; |
225 | fGPSLatitudeRef = exif.fGPSLatitudeRef; |
226 | fGPSLatitude [0] = exif.fGPSLatitude [0]; |
227 | fGPSLatitude [1] = exif.fGPSLatitude [1]; |
228 | fGPSLatitude [2] = exif.fGPSLatitude [2]; |
229 | fGPSLongitudeRef = exif.fGPSLongitudeRef; |
230 | fGPSLongitude [0] = exif.fGPSLongitude [0]; |
231 | fGPSLongitude [1] = exif.fGPSLongitude [1]; |
232 | fGPSLongitude [2] = exif.fGPSLongitude [2]; |
233 | fGPSAltitudeRef = exif.fGPSAltitudeRef; |
234 | fGPSAltitude = exif.fGPSAltitude; |
235 | fGPSTimeStamp [0] = exif.fGPSTimeStamp [0]; |
236 | fGPSTimeStamp [1] = exif.fGPSTimeStamp [1]; |
237 | fGPSTimeStamp [2] = exif.fGPSTimeStamp [2]; |
238 | fGPSSatellites = exif.fGPSSatellites; |
239 | fGPSStatus = exif.fGPSStatus; |
240 | fGPSMeasureMode = exif.fGPSMeasureMode; |
241 | fGPSDOP = exif.fGPSDOP; |
242 | fGPSSpeedRef = exif.fGPSSpeedRef; |
243 | fGPSSpeed = exif.fGPSSpeed; |
244 | fGPSTrackRef = exif.fGPSTrackRef; |
245 | fGPSTrack = exif.fGPSTrack; |
246 | fGPSImgDirectionRef = exif.fGPSImgDirectionRef; |
247 | fGPSImgDirection = exif.fGPSImgDirection; |
248 | fGPSMapDatum = exif.fGPSMapDatum; |
249 | fGPSDestLatitudeRef = exif.fGPSDestLatitudeRef; |
250 | fGPSDestLatitude [0] = exif.fGPSDestLatitude [0]; |
251 | fGPSDestLatitude [1] = exif.fGPSDestLatitude [1]; |
252 | fGPSDestLatitude [2] = exif.fGPSDestLatitude [2]; |
253 | fGPSDestLongitudeRef = exif.fGPSDestLongitudeRef; |
254 | fGPSDestLongitude [0] = exif.fGPSDestLongitude [0]; |
255 | fGPSDestLongitude [1] = exif.fGPSDestLongitude [1]; |
256 | fGPSDestLongitude [2] = exif.fGPSDestLongitude [2]; |
257 | fGPSDestBearingRef = exif.fGPSDestBearingRef; |
258 | fGPSDestBearing = exif.fGPSDestBearing; |
259 | fGPSDestDistanceRef = exif.fGPSDestDistanceRef; |
260 | fGPSDestDistance = exif.fGPSDestDistance; |
261 | fGPSProcessingMethod = exif.fGPSProcessingMethod; |
262 | fGPSAreaInformation = exif.fGPSAreaInformation; |
263 | fGPSDateStamp = exif.fGPSDateStamp; |
264 | fGPSDifferential = exif.fGPSDifferential; |
265 | fGPSHPositioningError = exif.fGPSHPositioningError; |
266 | |
267 | } |
268 | |
269 | /*****************************************************************************/ |
270 | |
271 | // Fix up common errors and rounding issues with EXIF exposure times. |
272 | |
273 | real64 dng_exif::SnapExposureTime (real64 et) |
274 | { |
275 | |
276 | // Protection against invalid values. |
277 | |
278 | if (et <= 0.0) |
279 | return 0.0; |
280 | |
281 | // If near a standard shutter speed, snap to it. |
282 | |
283 | static const real64 kStandardSpeed [] = |
284 | { |
285 | 30.0, |
286 | 25.0, |
287 | 20.0, |
288 | 15.0, |
289 | 13.0, |
290 | 10.0, |
291 | 8.0, |
292 | 6.0, |
293 | 5.0, |
294 | 4.0, |
295 | 3.2, |
296 | 3.0, |
297 | 2.5, |
298 | 2.0, |
299 | 1.6, |
300 | 1.5, |
301 | 1.3, |
302 | 1.0, |
303 | 0.8, |
304 | 0.7, |
305 | 0.6, |
306 | 0.5, |
307 | 0.4, |
308 | 0.3, |
309 | 1.0 / 4.0, |
310 | 1.0 / 5.0, |
311 | 1.0 / 6.0, |
312 | 1.0 / 8.0, |
313 | 1.0 / 10.0, |
314 | 1.0 / 13.0, |
315 | 1.0 / 15.0, |
316 | 1.0 / 20.0, |
317 | 1.0 / 25.0, |
318 | 1.0 / 30.0, |
319 | 1.0 / 40.0, |
320 | 1.0 / 45.0, |
321 | 1.0 / 50.0, |
322 | 1.0 / 60.0, |
323 | 1.0 / 80.0, |
324 | 1.0 / 90.0, |
325 | 1.0 / 100.0, |
326 | 1.0 / 125.0, |
327 | 1.0 / 160.0, |
328 | 1.0 / 180.0, |
329 | 1.0 / 200.0, |
330 | 1.0 / 250.0, |
331 | 1.0 / 320.0, |
332 | 1.0 / 350.0, |
333 | 1.0 / 400.0, |
334 | 1.0 / 500.0, |
335 | 1.0 / 640.0, |
336 | 1.0 / 750.0, |
337 | 1.0 / 800.0, |
338 | 1.0 / 1000.0, |
339 | 1.0 / 1250.0, |
340 | 1.0 / 1500.0, |
341 | 1.0 / 1600.0, |
342 | 1.0 / 2000.0, |
343 | 1.0 / 2500.0, |
344 | 1.0 / 3000.0, |
345 | 1.0 / 3200.0, |
346 | 1.0 / 4000.0, |
347 | 1.0 / 5000.0, |
348 | 1.0 / 6000.0, |
349 | 1.0 / 6400.0, |
350 | 1.0 / 8000.0, |
351 | 1.0 / 10000.0, |
352 | 1.0 / 12000.0, |
353 | 1.0 / 12800.0, |
354 | 1.0 / 16000.0 |
355 | }; |
356 | |
357 | uint32 count = sizeof (kStandardSpeed ) / |
358 | sizeof (kStandardSpeed [0]); |
359 | |
360 | for (uint32 fudge = 0; fudge <= 1; fudge++) |
361 | { |
362 | |
363 | real64 testSpeed = et; |
364 | |
365 | if (fudge == 1) |
366 | { |
367 | |
368 | // Often APEX values are rounded to a power of two, |
369 | // which results in non-standard shutter speeds. |
370 | |
371 | if (et >= 0.1) |
372 | { |
373 | |
374 | // No fudging slower than 1/10 second |
375 | |
376 | break; |
377 | |
378 | } |
379 | |
380 | else if (et >= 0.01) |
381 | { |
382 | |
383 | // Between 1/10 and 1/100 the commonly misrounded |
384 | // speeds are 1/15, 1/30, 1/60, which are often encoded as |
385 | // 1/16, 1/32, 1/64. Try fudging and see if we get |
386 | // near a standard speed. |
387 | |
388 | testSpeed *= 16.0 / 15.0; |
389 | |
390 | } |
391 | |
392 | else |
393 | { |
394 | |
395 | // Faster than 1/100, the commonly misrounded |
396 | // speeds are 1/125, 1/250, 1/500, etc., which |
397 | // are often encoded as 1/128, 1/256, 1/512. |
398 | |
399 | testSpeed *= 128.0 / 125.0; |
400 | |
401 | } |
402 | |
403 | } |
404 | |
405 | for (uint32 index = 0; index < count; index++) |
406 | { |
407 | |
408 | if (testSpeed >= kStandardSpeed [index] * 0.98 && |
409 | testSpeed <= kStandardSpeed [index] * 1.02) |
410 | { |
411 | |
412 | return kStandardSpeed [index]; |
413 | |
414 | } |
415 | |
416 | } |
417 | |
418 | } |
419 | |
420 | // We are not near any standard speeds. Round the non-standard value to something |
421 | // that looks reasonable. |
422 | |
423 | if (et >= 10.0) |
424 | { |
425 | |
426 | // Round to nearest second. |
427 | |
428 | et = floor (et + 0.5); |
429 | |
430 | } |
431 | |
432 | else if (et >= 0.5) |
433 | { |
434 | |
435 | // Round to nearest 1/10 second |
436 | |
437 | et = floor (et * 10.0 + 0.5) * 0.1; |
438 | |
439 | } |
440 | |
441 | else if (et >= 1.0 / 20.0) |
442 | { |
443 | |
444 | // Round to an exact inverse. |
445 | |
446 | et = 1.0 / floor (1.0 / et + 0.5); |
447 | |
448 | } |
449 | |
450 | else if (et >= 1.0 / 130.0) |
451 | { |
452 | |
453 | // Round inverse to multiple of 5 |
454 | |
455 | et = 0.2 / floor (0.2 / et + 0.5); |
456 | |
457 | } |
458 | |
459 | else if (et >= 1.0 / 750.0) |
460 | { |
461 | |
462 | // Round inverse to multiple of 10 |
463 | |
464 | et = 0.1 / floor (0.1 / et + 0.5); |
465 | |
466 | } |
467 | |
468 | else if (et >= 1.0 / 1300.0) |
469 | { |
470 | |
471 | // Round inverse to multiple of 50 |
472 | |
473 | et = 0.02 / floor (0.02 / et + 0.5); |
474 | |
475 | } |
476 | |
477 | else if (et >= 1.0 / 15000.0) |
478 | { |
479 | |
480 | // Round inverse to multiple of 100 |
481 | |
482 | et = 0.01 / floor (0.01 / et + 0.5); |
483 | |
484 | } |
485 | |
486 | else |
487 | { |
488 | |
489 | // Round inverse to multiple of 1000 |
490 | |
491 | et = 0.001 / floor (0.001 / et + 0.5); |
492 | |
493 | } |
494 | |
495 | return et; |
496 | |
497 | } |
498 | |
499 | /*****************************************************************************/ |
500 | |
501 | void dng_exif::SetExposureTime (real64 et, bool snap) |
502 | { |
503 | |
504 | fExposureTime.Clear (); |
505 | |
506 | fShutterSpeedValue.Clear (); |
507 | |
508 | if (snap) |
509 | { |
510 | |
511 | et = SnapExposureTime (et); |
512 | |
513 | } |
514 | |
515 | if (et >= 1.0 / 32768.0 && et <= 32768.0) |
516 | { |
517 | |
518 | if (et >= 100.0) |
519 | { |
520 | |
521 | fExposureTime.Set_real64 (et, 1); |
522 | |
523 | } |
524 | |
525 | else if (et >= 1.0) |
526 | { |
527 | |
528 | fExposureTime.Set_real64 (et, 10); |
529 | |
530 | fExposureTime.ReduceByFactor (10); |
531 | |
532 | } |
533 | |
534 | else if (et <= 0.1) |
535 | { |
536 | |
537 | fExposureTime = dng_urational (1, Round_uint32 (1.0 / et)); |
538 | |
539 | } |
540 | |
541 | else |
542 | { |
543 | |
544 | fExposureTime.Set_real64 (et, 100); |
545 | |
546 | fExposureTime.ReduceByFactor (10); |
547 | |
548 | for (uint32 f = 2; f <= 9; f++) |
549 | { |
550 | |
551 | real64 z = 1.0 / (real64) f / et; |
552 | |
553 | if (z >= 0.99 && z <= 1.01) |
554 | { |
555 | |
556 | fExposureTime = dng_urational (1, f); |
557 | |
558 | break; |
559 | |
560 | } |
561 | |
562 | } |
563 | |
564 | } |
565 | |
566 | // Now mirror this value to the ShutterSpeedValue field. |
567 | |
568 | et = fExposureTime.As_real64 (); |
569 | |
570 | fShutterSpeedValue.Set_real64 (-log (et) / log (2.0), 1000000); |
571 | |
572 | fShutterSpeedValue.ReduceByFactor (10); |
573 | fShutterSpeedValue.ReduceByFactor (10); |
574 | fShutterSpeedValue.ReduceByFactor (10); |
575 | fShutterSpeedValue.ReduceByFactor (10); |
576 | fShutterSpeedValue.ReduceByFactor (10); |
577 | fShutterSpeedValue.ReduceByFactor (10); |
578 | |
579 | } |
580 | |
581 | } |
582 | |
583 | /*****************************************************************************/ |
584 | |
585 | void dng_exif::SetShutterSpeedValue (real64 ss) |
586 | { |
587 | |
588 | if (fExposureTime.NotValid ()) |
589 | { |
590 | |
591 | real64 et = pow (2.0, -ss); |
592 | |
593 | SetExposureTime (et, true); |
594 | |
595 | } |
596 | |
597 | } |
598 | |
599 | /******************************************************************************/ |
600 | |
601 | dng_urational dng_exif::EncodeFNumber (real64 fs) |
602 | { |
603 | |
604 | dng_urational y; |
605 | |
606 | if (fs > 10.0) |
607 | { |
608 | |
609 | y.Set_real64 (fs, 1); |
610 | |
611 | } |
612 | |
613 | else if (fs < 1.0) |
614 | { |
615 | |
616 | y.Set_real64 (fs, 100); |
617 | |
618 | y.ReduceByFactor (10); |
619 | y.ReduceByFactor (10); |
620 | |
621 | } |
622 | |
623 | else |
624 | { |
625 | |
626 | y.Set_real64 (fs, 10); |
627 | |
628 | y.ReduceByFactor (10); |
629 | |
630 | } |
631 | |
632 | return y; |
633 | |
634 | } |
635 | |
636 | /*****************************************************************************/ |
637 | |
638 | void dng_exif::SetFNumber (real64 fs) |
639 | { |
640 | |
641 | fFNumber.Clear (); |
642 | |
643 | fApertureValue.Clear (); |
644 | |
645 | // Allow f-number values less than 1.0 (e.g., f/0.95), even though they would |
646 | // correspond to negative APEX values, which the EXIF specification does not |
647 | // support (ApertureValue is a rational, not srational). The ApertureValue tag |
648 | // will be omitted in the case where fs < 1.0. |
649 | |
650 | if (fs > 0.0 && fs <= 32768.0) |
651 | { |
652 | |
653 | fFNumber = EncodeFNumber (fs); |
654 | |
655 | // Now mirror this value to the ApertureValue field. |
656 | |
657 | real64 av = FNumberToApertureValue (fFNumber); |
658 | |
659 | if (av >= 0.0 && av <= 99.99) |
660 | { |
661 | |
662 | fApertureValue.Set_real64 (av, 1000000); |
663 | |
664 | fApertureValue.ReduceByFactor (10); |
665 | fApertureValue.ReduceByFactor (10); |
666 | fApertureValue.ReduceByFactor (10); |
667 | fApertureValue.ReduceByFactor (10); |
668 | fApertureValue.ReduceByFactor (10); |
669 | fApertureValue.ReduceByFactor (10); |
670 | |
671 | } |
672 | |
673 | } |
674 | |
675 | } |
676 | |
677 | /*****************************************************************************/ |
678 | |
679 | void dng_exif::SetApertureValue (real64 av) |
680 | { |
681 | |
682 | if (fFNumber.NotValid ()) |
683 | { |
684 | |
685 | SetFNumber (ApertureValueToFNumber (av)); |
686 | |
687 | } |
688 | |
689 | } |
690 | |
691 | /*****************************************************************************/ |
692 | |
693 | real64 dng_exif::ApertureValueToFNumber (real64 av) |
694 | { |
695 | |
696 | return pow (2.0, 0.5 * av); |
697 | |
698 | } |
699 | |
700 | /*****************************************************************************/ |
701 | |
702 | real64 dng_exif::ApertureValueToFNumber (const dng_urational &av) |
703 | { |
704 | |
705 | return ApertureValueToFNumber (av.As_real64 ()); |
706 | |
707 | } |
708 | |
709 | /*****************************************************************************/ |
710 | |
711 | real64 dng_exif::FNumberToApertureValue (real64 fNumber) |
712 | { |
713 | |
714 | return 2.0 * log (fNumber) / log (2.0); |
715 | |
716 | } |
717 | |
718 | /*****************************************************************************/ |
719 | |
720 | real64 dng_exif::FNumberToApertureValue (const dng_urational &fNumber) |
721 | { |
722 | |
723 | return FNumberToApertureValue (fNumber.As_real64 ()); |
724 | |
725 | } |
726 | |
727 | /*****************************************************************************/ |
728 | |
729 | void dng_exif::UpdateDateTime (const dng_date_time_info &dt) |
730 | { |
731 | |
732 | fDateTime = dt; |
733 | |
734 | } |
735 | |
736 | /*****************************************************************************/ |
737 | |
738 | bool dng_exif::AtLeastVersion0230 () const |
739 | { |
740 | |
741 | uint32 b0 = (fExifVersion >> 24) & 0xff; |
742 | uint32 b1 = (fExifVersion >> 16) & 0xff; |
743 | uint32 b2 = (fExifVersion >> 8) & 0xff; |
744 | |
745 | return (b0 > 0) || (b1 >= 2 && b2 >= 3); |
746 | |
747 | } |
748 | |
749 | /*****************************************************************************/ |
750 | |
751 | bool dng_exif::ParseTag (dng_stream &stream, |
752 | dng_shared &shared, |
753 | uint32 parentCode, |
754 | bool isMainIFD, |
755 | uint32 tagCode, |
756 | uint32 tagType, |
757 | uint32 tagCount, |
758 | uint64 tagOffset) |
759 | { |
760 | |
761 | if (parentCode == 0) |
762 | { |
763 | |
764 | if (Parse_ifd0 (stream, |
765 | shared, |
766 | parentCode, |
767 | tagCode, |
768 | tagType, |
769 | tagCount, |
770 | tagOffset)) |
771 | { |
772 | |
773 | return true; |
774 | |
775 | } |
776 | |
777 | } |
778 | |
779 | if (parentCode == 0 || isMainIFD) |
780 | { |
781 | |
782 | if (Parse_ifd0_main (stream, |
783 | shared, |
784 | parentCode, |
785 | tagCode, |
786 | tagType, |
787 | tagCount, |
788 | tagOffset)) |
789 | { |
790 | |
791 | return true; |
792 | |
793 | } |
794 | |
795 | } |
796 | |
797 | if (parentCode == 0 || |
798 | parentCode == tcExifIFD) |
799 | { |
800 | |
801 | if (Parse_ifd0_exif (stream, |
802 | shared, |
803 | parentCode, |
804 | tagCode, |
805 | tagType, |
806 | tagCount, |
807 | tagOffset)) |
808 | { |
809 | |
810 | return true; |
811 | |
812 | } |
813 | |
814 | } |
815 | |
816 | if (parentCode == tcGPSInfo) |
817 | { |
818 | |
819 | if (Parse_gps (stream, |
820 | shared, |
821 | parentCode, |
822 | tagCode, |
823 | tagType, |
824 | tagCount, |
825 | tagOffset)) |
826 | { |
827 | |
828 | return true; |
829 | |
830 | } |
831 | |
832 | } |
833 | |
834 | if (parentCode == tcInteroperabilityIFD) |
835 | { |
836 | |
837 | if (Parse_interoperability (stream, |
838 | shared, |
839 | parentCode, |
840 | tagCode, |
841 | tagType, |
842 | tagCount, |
843 | tagOffset)) |
844 | { |
845 | |
846 | return true; |
847 | |
848 | } |
849 | |
850 | } |
851 | |
852 | return false; |
853 | |
854 | } |
855 | |
856 | /*****************************************************************************/ |
857 | |
858 | // Parses tags that should only appear in IFD 0. |
859 | |
860 | bool dng_exif::Parse_ifd0 (dng_stream &stream, |
861 | dng_shared & /* shared */, |
862 | uint32 parentCode, |
863 | uint32 tagCode, |
864 | uint32 tagType, |
865 | uint32 tagCount, |
866 | uint64 /* tagOffset */) |
867 | { |
868 | |
869 | switch (tagCode) |
870 | { |
871 | |
872 | case tcImageDescription: |
873 | { |
874 | |
875 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
876 | |
877 | ParseStringTag (stream, |
878 | parentCode, |
879 | tagCode, |
880 | tagCount, |
881 | fImageDescription); |
882 | |
883 | #if qDNGValidate |
884 | |
885 | if (gVerbose) |
886 | { |
887 | |
888 | printf ("ImageDescription: " ); |
889 | |
890 | DumpString (fImageDescription); |
891 | |
892 | printf ("\n" ); |
893 | |
894 | } |
895 | |
896 | #endif |
897 | |
898 | break; |
899 | |
900 | } |
901 | |
902 | case tcMake: |
903 | { |
904 | |
905 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
906 | |
907 | ParseStringTag (stream, |
908 | parentCode, |
909 | tagCode, |
910 | tagCount, |
911 | fMake); |
912 | |
913 | #if qDNGValidate |
914 | |
915 | if (gVerbose) |
916 | { |
917 | |
918 | printf ("Make: " ); |
919 | |
920 | DumpString (fMake); |
921 | |
922 | printf ("\n" ); |
923 | |
924 | } |
925 | |
926 | #endif |
927 | |
928 | break; |
929 | |
930 | } |
931 | |
932 | case tcModel: |
933 | { |
934 | |
935 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
936 | |
937 | ParseStringTag (stream, |
938 | parentCode, |
939 | tagCode, |
940 | tagCount, |
941 | fModel); |
942 | |
943 | #if qDNGValidate |
944 | |
945 | if (gVerbose) |
946 | { |
947 | |
948 | printf ("Model: " ); |
949 | |
950 | DumpString (fModel); |
951 | |
952 | printf ("\n" ); |
953 | |
954 | } |
955 | |
956 | #endif |
957 | |
958 | break; |
959 | |
960 | } |
961 | |
962 | case tcSoftware: |
963 | { |
964 | |
965 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
966 | |
967 | ParseStringTag (stream, |
968 | parentCode, |
969 | tagCode, |
970 | tagCount, |
971 | fSoftware); |
972 | |
973 | #if qDNGValidate |
974 | |
975 | if (gVerbose) |
976 | { |
977 | |
978 | printf ("Software: " ); |
979 | |
980 | DumpString (fSoftware); |
981 | |
982 | printf ("\n" ); |
983 | |
984 | } |
985 | |
986 | #endif |
987 | |
988 | break; |
989 | |
990 | } |
991 | |
992 | case tcDateTime: |
993 | { |
994 | |
995 | uint64 tagPosition = stream.PositionInOriginalFile (); |
996 | |
997 | dng_date_time dt; |
998 | |
999 | if (!ParseDateTimeTag (stream, |
1000 | parentCode, |
1001 | tagCode, |
1002 | tagType, |
1003 | tagCount, |
1004 | dt)) |
1005 | { |
1006 | return false; |
1007 | } |
1008 | |
1009 | fDateTime.SetDateTime (dt); |
1010 | |
1011 | fDateTimeStorageInfo = dng_date_time_storage_info (tagPosition, |
1012 | dng_date_time_format_exif); |
1013 | |
1014 | #if qDNGValidate |
1015 | |
1016 | if (gVerbose) |
1017 | { |
1018 | |
1019 | printf ("DateTime: " ); |
1020 | |
1021 | DumpDateTime (fDateTime.DateTime ()); |
1022 | |
1023 | printf ("\n" ); |
1024 | |
1025 | } |
1026 | |
1027 | #endif |
1028 | |
1029 | break; |
1030 | |
1031 | } |
1032 | |
1033 | case tcArtist: |
1034 | { |
1035 | |
1036 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
1037 | |
1038 | ParseStringTag (stream, |
1039 | parentCode, |
1040 | tagCode, |
1041 | tagCount, |
1042 | fArtist); |
1043 | |
1044 | #if qDNGValidate |
1045 | |
1046 | if (gVerbose) |
1047 | { |
1048 | |
1049 | printf ("Artist: " ); |
1050 | |
1051 | DumpString (fArtist); |
1052 | |
1053 | printf ("\n" ); |
1054 | |
1055 | } |
1056 | |
1057 | #endif |
1058 | |
1059 | break; |
1060 | |
1061 | } |
1062 | |
1063 | case tcCopyright: |
1064 | { |
1065 | |
1066 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
1067 | |
1068 | ParseDualStringTag (stream, |
1069 | parentCode, |
1070 | tagCode, |
1071 | tagCount, |
1072 | fCopyright, |
1073 | fCopyright2); |
1074 | |
1075 | #if qDNGValidate |
1076 | |
1077 | if (gVerbose) |
1078 | { |
1079 | |
1080 | printf ("Copyright: " ); |
1081 | |
1082 | DumpString (fCopyright); |
1083 | |
1084 | if (fCopyright2.Get () [0] != 0) |
1085 | { |
1086 | |
1087 | printf (" " ); |
1088 | |
1089 | DumpString (fCopyright2); |
1090 | |
1091 | } |
1092 | |
1093 | printf ("\n" ); |
1094 | |
1095 | } |
1096 | |
1097 | #endif |
1098 | |
1099 | break; |
1100 | |
1101 | } |
1102 | |
1103 | case tcTIFF_EP_StandardID: |
1104 | { |
1105 | |
1106 | CheckTagType (parentCode, tagCode, tagType, ttByte); |
1107 | |
1108 | CheckTagCount (parentCode, tagCode, tagCount, 4); |
1109 | |
1110 | uint32 b0 = stream.Get_uint8 (); |
1111 | uint32 b1 = stream.Get_uint8 (); |
1112 | uint32 b2 = stream.Get_uint8 (); |
1113 | uint32 b3 = stream.Get_uint8 (); |
1114 | |
1115 | fTIFF_EP_StandardID = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; |
1116 | |
1117 | #if qDNGValidate |
1118 | |
1119 | if (gVerbose) |
1120 | { |
1121 | printf ("TIFF/EPStandardID: %u.%u.%u.%u\n" , |
1122 | (unsigned) b0, |
1123 | (unsigned) b1, |
1124 | (unsigned) b2, |
1125 | (unsigned) b3); |
1126 | } |
1127 | |
1128 | #endif |
1129 | |
1130 | break; |
1131 | |
1132 | } |
1133 | |
1134 | case tcCameraSerialNumber: |
1135 | case tcKodakCameraSerialNumber: // Kodak uses a very similar tag. |
1136 | { |
1137 | |
1138 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
1139 | |
1140 | ParseStringTag (stream, |
1141 | parentCode, |
1142 | tagCode, |
1143 | tagCount, |
1144 | fCameraSerialNumber); |
1145 | |
1146 | #if qDNGValidate |
1147 | |
1148 | if (gVerbose) |
1149 | { |
1150 | |
1151 | printf ("%s: " , LookupTagCode (parentCode, tagCode)); |
1152 | |
1153 | DumpString (fCameraSerialNumber); |
1154 | |
1155 | printf ("\n" ); |
1156 | |
1157 | } |
1158 | |
1159 | #endif |
1160 | |
1161 | break; |
1162 | |
1163 | } |
1164 | |
1165 | case tcLensInfo: |
1166 | { |
1167 | |
1168 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
1169 | |
1170 | if (!CheckTagCount (parentCode, tagCode, tagCount, 4)) |
1171 | return false; |
1172 | |
1173 | fLensInfo [0] = stream.TagValue_urational (tagType); |
1174 | fLensInfo [1] = stream.TagValue_urational (tagType); |
1175 | fLensInfo [2] = stream.TagValue_urational (tagType); |
1176 | fLensInfo [3] = stream.TagValue_urational (tagType); |
1177 | |
1178 | // Some third party software wrote zero rather and undefined values |
1179 | // for unknown entries. Work around this bug. |
1180 | |
1181 | for (uint32 j = 0; j < 4; j++) |
1182 | { |
1183 | |
1184 | if (fLensInfo [j].IsValid () && fLensInfo [j].As_real64 () <= 0.0) |
1185 | { |
1186 | |
1187 | fLensInfo [j] = dng_urational (0, 0); |
1188 | |
1189 | #if qDNGValidate |
1190 | |
1191 | ReportWarning ("Zero entry in LensInfo tag--should be undefined" ); |
1192 | |
1193 | #endif |
1194 | |
1195 | } |
1196 | |
1197 | } |
1198 | |
1199 | #if qDNGValidate |
1200 | |
1201 | if (gVerbose) |
1202 | { |
1203 | |
1204 | printf ("LensInfo: " ); |
1205 | |
1206 | real64 minFL = fLensInfo [0].As_real64 (); |
1207 | real64 maxFL = fLensInfo [1].As_real64 (); |
1208 | |
1209 | if (minFL == maxFL) |
1210 | printf ("%0.1f mm" , minFL); |
1211 | else |
1212 | printf ("%0.1f-%0.1f mm" , minFL, maxFL); |
1213 | |
1214 | if (fLensInfo [2].d) |
1215 | { |
1216 | |
1217 | real64 minFS = fLensInfo [2].As_real64 (); |
1218 | real64 maxFS = fLensInfo [3].As_real64 (); |
1219 | |
1220 | if (minFS == maxFS) |
1221 | printf (" f/%0.1f" , minFS); |
1222 | else |
1223 | printf (" f/%0.1f-%0.1f" , minFS, maxFS); |
1224 | |
1225 | } |
1226 | |
1227 | printf ("\n" ); |
1228 | |
1229 | } |
1230 | |
1231 | #endif |
1232 | |
1233 | break; |
1234 | |
1235 | } |
1236 | |
1237 | default: |
1238 | { |
1239 | |
1240 | return false; |
1241 | |
1242 | } |
1243 | |
1244 | } |
1245 | |
1246 | return true; |
1247 | |
1248 | } |
1249 | |
1250 | /*****************************************************************************/ |
1251 | |
1252 | // Parses tags that should only appear in IFD 0 or the main image IFD. |
1253 | |
1254 | bool dng_exif::Parse_ifd0_main (dng_stream &stream, |
1255 | dng_shared & /* shared */, |
1256 | uint32 parentCode, |
1257 | uint32 tagCode, |
1258 | uint32 tagType, |
1259 | uint32 tagCount, |
1260 | uint64 /* tagOffset */) |
1261 | { |
1262 | |
1263 | switch (tagCode) |
1264 | { |
1265 | |
1266 | case tcFocalPlaneXResolution: |
1267 | { |
1268 | |
1269 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
1270 | |
1271 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1272 | |
1273 | fFocalPlaneXResolution = stream.TagValue_urational (tagType); |
1274 | |
1275 | #if qDNGValidate |
1276 | |
1277 | if (gVerbose) |
1278 | { |
1279 | |
1280 | printf ("FocalPlaneXResolution: %0.4f\n" , |
1281 | fFocalPlaneXResolution.As_real64 ()); |
1282 | |
1283 | } |
1284 | |
1285 | #endif |
1286 | |
1287 | break; |
1288 | |
1289 | } |
1290 | |
1291 | case tcFocalPlaneYResolution: |
1292 | { |
1293 | |
1294 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
1295 | |
1296 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1297 | |
1298 | fFocalPlaneYResolution = stream.TagValue_urational (tagType); |
1299 | |
1300 | #if qDNGValidate |
1301 | |
1302 | if (gVerbose) |
1303 | { |
1304 | |
1305 | printf ("FocalPlaneYResolution: %0.4f\n" , |
1306 | fFocalPlaneYResolution.As_real64 ()); |
1307 | |
1308 | } |
1309 | |
1310 | #endif |
1311 | |
1312 | break; |
1313 | |
1314 | } |
1315 | |
1316 | case tcFocalPlaneResolutionUnit: |
1317 | { |
1318 | |
1319 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
1320 | |
1321 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1322 | |
1323 | fFocalPlaneResolutionUnit = stream.TagValue_uint32 (tagType); |
1324 | |
1325 | #if qDNGValidate |
1326 | |
1327 | if (gVerbose) |
1328 | { |
1329 | |
1330 | printf ("FocalPlaneResolutionUnit: %s\n" , |
1331 | LookupResolutionUnit (fFocalPlaneResolutionUnit)); |
1332 | |
1333 | } |
1334 | |
1335 | #endif |
1336 | |
1337 | break; |
1338 | |
1339 | } |
1340 | |
1341 | case tcSensingMethod: |
1342 | { |
1343 | |
1344 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
1345 | |
1346 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1347 | |
1348 | fSensingMethod = stream.TagValue_uint32 (tagType); |
1349 | |
1350 | #if qDNGValidate |
1351 | |
1352 | if (gVerbose) |
1353 | { |
1354 | |
1355 | printf ("SensingMethod: %s\n" , |
1356 | LookupSensingMethod (fSensingMethod)); |
1357 | |
1358 | } |
1359 | |
1360 | #endif |
1361 | |
1362 | break; |
1363 | |
1364 | } |
1365 | |
1366 | default: |
1367 | { |
1368 | |
1369 | return false; |
1370 | |
1371 | } |
1372 | |
1373 | } |
1374 | |
1375 | return true; |
1376 | |
1377 | } |
1378 | |
1379 | /*****************************************************************************/ |
1380 | |
1381 | // Parses tags that should only appear in IFD 0 or EXIF IFD. |
1382 | |
1383 | bool dng_exif::Parse_ifd0_exif (dng_stream &stream, |
1384 | dng_shared & /* shared */, |
1385 | uint32 parentCode, |
1386 | uint32 tagCode, |
1387 | uint32 tagType, |
1388 | uint32 tagCount, |
1389 | uint64 /* tagOffset */) |
1390 | { |
1391 | |
1392 | switch (tagCode) |
1393 | { |
1394 | |
1395 | case tcBatteryLevel: |
1396 | { |
1397 | |
1398 | CheckTagType (parentCode, tagCode, tagType, ttRational, ttAscii); |
1399 | |
1400 | if (tagType == ttAscii) |
1401 | { |
1402 | |
1403 | ParseStringTag (stream, |
1404 | parentCode, |
1405 | tagCode, |
1406 | tagCount, |
1407 | fBatteryLevelA); |
1408 | |
1409 | } |
1410 | |
1411 | else |
1412 | { |
1413 | |
1414 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1415 | |
1416 | fBatteryLevelR = stream.TagValue_urational (tagType); |
1417 | |
1418 | } |
1419 | |
1420 | #if qDNGValidate |
1421 | |
1422 | if (gVerbose) |
1423 | { |
1424 | |
1425 | printf ("BatteryLevel: " ); |
1426 | |
1427 | if (tagType == ttAscii) |
1428 | { |
1429 | |
1430 | DumpString (fBatteryLevelA); |
1431 | |
1432 | } |
1433 | |
1434 | else |
1435 | { |
1436 | |
1437 | printf ("%0.2f" , fBatteryLevelR.As_real64 ()); |
1438 | |
1439 | } |
1440 | |
1441 | printf ("\n" ); |
1442 | |
1443 | } |
1444 | |
1445 | #endif |
1446 | |
1447 | break; |
1448 | |
1449 | } |
1450 | |
1451 | case tcExposureTime: |
1452 | { |
1453 | |
1454 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
1455 | |
1456 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1457 | |
1458 | dng_urational et = stream.TagValue_urational (tagType); |
1459 | |
1460 | SetExposureTime (et.As_real64 (), true); |
1461 | |
1462 | #if qDNGValidate |
1463 | |
1464 | if (gVerbose) |
1465 | { |
1466 | |
1467 | printf ("ExposureTime: " ); |
1468 | |
1469 | DumpExposureTime (et.As_real64 ()); |
1470 | |
1471 | printf ("\n" ); |
1472 | |
1473 | } |
1474 | |
1475 | if (et.As_real64 () <= 0.0) |
1476 | { |
1477 | |
1478 | ReportWarning ("The ExposureTime is <= 0" ); |
1479 | |
1480 | } |
1481 | |
1482 | #endif |
1483 | |
1484 | break; |
1485 | |
1486 | } |
1487 | |
1488 | case tcFNumber: |
1489 | { |
1490 | |
1491 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
1492 | |
1493 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1494 | |
1495 | dng_urational fs = stream.TagValue_urational (tagType); |
1496 | |
1497 | // Sometimes "unknown" is recorded as zero. |
1498 | |
1499 | if (fs.As_real64 () <= 0.0) |
1500 | { |
1501 | fs.Clear (); |
1502 | } |
1503 | |
1504 | #if qDNGValidate |
1505 | |
1506 | if (gVerbose) |
1507 | { |
1508 | |
1509 | printf ("FNumber: f/%0.2f\n" , |
1510 | fs.As_real64 ()); |
1511 | |
1512 | } |
1513 | |
1514 | #endif |
1515 | |
1516 | SetFNumber (fs.As_real64 ()); |
1517 | |
1518 | break; |
1519 | |
1520 | } |
1521 | |
1522 | case tcExposureProgram: |
1523 | { |
1524 | |
1525 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
1526 | |
1527 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1528 | |
1529 | fExposureProgram = stream.TagValue_uint32 (tagType); |
1530 | |
1531 | #if qDNGValidate |
1532 | |
1533 | if (gVerbose) |
1534 | { |
1535 | |
1536 | printf ("ExposureProgram: %s\n" , |
1537 | LookupExposureProgram (fExposureProgram)); |
1538 | |
1539 | } |
1540 | |
1541 | #endif |
1542 | |
1543 | break; |
1544 | |
1545 | } |
1546 | |
1547 | case tcISOSpeedRatings: |
1548 | { |
1549 | |
1550 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
1551 | |
1552 | CheckTagCount (parentCode, tagCode, tagCount, 1, 3); |
1553 | |
1554 | for (uint32 j = 0; j < tagCount && j < 3; j++) |
1555 | { |
1556 | |
1557 | fISOSpeedRatings [j] = stream.TagValue_uint32 (tagType); |
1558 | |
1559 | } |
1560 | |
1561 | #if qDNGValidate |
1562 | |
1563 | if (gVerbose) |
1564 | { |
1565 | |
1566 | printf ("ISOSpeedRatings:" ); |
1567 | |
1568 | for (uint32 j = 0; j < tagCount && j < 3; j++) |
1569 | { |
1570 | |
1571 | printf (" %u" , (unsigned) fISOSpeedRatings [j]); |
1572 | |
1573 | } |
1574 | |
1575 | printf ("\n" ); |
1576 | |
1577 | } |
1578 | |
1579 | #endif |
1580 | |
1581 | break; |
1582 | |
1583 | } |
1584 | |
1585 | case tcSensitivityType: |
1586 | { |
1587 | |
1588 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
1589 | |
1590 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1591 | |
1592 | fSensitivityType = (uint32) stream.Get_uint16 (); |
1593 | |
1594 | #if qDNGValidate |
1595 | |
1596 | if (gVerbose) |
1597 | { |
1598 | |
1599 | printf ("SensitivityType: %s\n" , |
1600 | LookupSensitivityType (fSensitivityType)); |
1601 | |
1602 | } |
1603 | |
1604 | #endif |
1605 | |
1606 | break; |
1607 | |
1608 | } |
1609 | |
1610 | case tcStandardOutputSensitivity: |
1611 | { |
1612 | |
1613 | CheckTagType (parentCode, tagCode, tagType, ttLong); |
1614 | |
1615 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1616 | |
1617 | fStandardOutputSensitivity = stream.TagValue_uint32 (tagType); |
1618 | |
1619 | #if qDNGValidate |
1620 | |
1621 | if (gVerbose) |
1622 | { |
1623 | |
1624 | printf ("StandardOutputSensitivity: %u\n" , |
1625 | (unsigned) fStandardOutputSensitivity); |
1626 | |
1627 | } |
1628 | |
1629 | #endif |
1630 | |
1631 | break; |
1632 | |
1633 | } |
1634 | |
1635 | case tcRecommendedExposureIndex: |
1636 | { |
1637 | |
1638 | CheckTagType (parentCode, tagCode, tagType, ttLong); |
1639 | |
1640 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1641 | |
1642 | fRecommendedExposureIndex = stream.TagValue_uint32 (tagType); |
1643 | |
1644 | #if qDNGValidate |
1645 | |
1646 | if (gVerbose) |
1647 | { |
1648 | |
1649 | printf ("RecommendedExposureIndex: %u\n" , |
1650 | (unsigned) fRecommendedExposureIndex); |
1651 | |
1652 | } |
1653 | |
1654 | #endif |
1655 | |
1656 | break; |
1657 | |
1658 | } |
1659 | |
1660 | case tcISOSpeed: |
1661 | { |
1662 | |
1663 | CheckTagType (parentCode, tagCode, tagType, ttLong); |
1664 | |
1665 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1666 | |
1667 | fISOSpeed = stream.TagValue_uint32 (tagType); |
1668 | |
1669 | #if qDNGValidate |
1670 | |
1671 | if (gVerbose) |
1672 | { |
1673 | |
1674 | printf ("ISOSpeed: %u\n" , |
1675 | (unsigned) fISOSpeed); |
1676 | |
1677 | } |
1678 | |
1679 | #endif |
1680 | |
1681 | break; |
1682 | |
1683 | } |
1684 | |
1685 | case tcISOSpeedLatitudeyyy: |
1686 | { |
1687 | |
1688 | CheckTagType (parentCode, tagCode, tagType, ttLong); |
1689 | |
1690 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1691 | |
1692 | fISOSpeedLatitudeyyy = stream.TagValue_uint32 (tagType); |
1693 | |
1694 | #if qDNGValidate |
1695 | |
1696 | if (gVerbose) |
1697 | { |
1698 | |
1699 | printf ("ISOSpeedLatitudeyyy: %u\n" , |
1700 | (unsigned) fISOSpeedLatitudeyyy); |
1701 | |
1702 | } |
1703 | |
1704 | #endif |
1705 | |
1706 | break; |
1707 | |
1708 | } |
1709 | |
1710 | case tcISOSpeedLatitudezzz: |
1711 | { |
1712 | |
1713 | CheckTagType (parentCode, tagCode, tagType, ttLong); |
1714 | |
1715 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1716 | |
1717 | fISOSpeedLatitudezzz = stream.TagValue_uint32 (tagType); |
1718 | |
1719 | #if qDNGValidate |
1720 | |
1721 | if (gVerbose) |
1722 | { |
1723 | |
1724 | printf ("ISOSpeedLatitudezzz: %u\n" , |
1725 | (unsigned) fISOSpeedLatitudezzz); |
1726 | |
1727 | } |
1728 | |
1729 | #endif |
1730 | |
1731 | break; |
1732 | |
1733 | } |
1734 | |
1735 | case tcTimeZoneOffset: |
1736 | { |
1737 | |
1738 | CheckTagType (parentCode, tagCode, tagType, ttSShort); |
1739 | |
1740 | CheckTagCount (parentCode, tagCode, tagCount, 1, 2); |
1741 | |
1742 | dng_time_zone zoneOriginal; |
1743 | |
1744 | zoneOriginal.SetOffsetHours (stream.TagValue_int32 (tagType)); |
1745 | |
1746 | fDateTimeOriginal.SetZone (zoneOriginal); |
1747 | |
1748 | #if 0 // MWG: Not filling in time zones unless we are sure. |
1749 | |
1750 | // Note that there is no "TimeZoneOffsetDigitized" field, so |
1751 | // we assume the same tone zone as the original. |
1752 | |
1753 | fDateTimeDigitized.SetZone (zoneOriginal); |
1754 | |
1755 | #endif |
1756 | |
1757 | dng_time_zone zoneCurrent; |
1758 | |
1759 | if (tagCount >= 2) |
1760 | { |
1761 | |
1762 | zoneCurrent.SetOffsetHours (stream.TagValue_int32 (tagType)); |
1763 | |
1764 | fDateTime.SetZone (zoneCurrent); |
1765 | |
1766 | } |
1767 | |
1768 | #if qDNGValidate |
1769 | |
1770 | if (gVerbose) |
1771 | { |
1772 | |
1773 | printf ("TimeZoneOffset: DateTimeOriginal = %d" , |
1774 | (int) zoneOriginal.ExactHourOffset ()); |
1775 | |
1776 | if (tagCount >= 2) |
1777 | { |
1778 | |
1779 | printf (", DateTime = %d" , |
1780 | (int) zoneCurrent.ExactHourOffset ()); |
1781 | |
1782 | } |
1783 | |
1784 | printf ("\n" ); |
1785 | |
1786 | } |
1787 | |
1788 | #endif |
1789 | |
1790 | break; |
1791 | |
1792 | } |
1793 | |
1794 | case tcSelfTimerMode: |
1795 | { |
1796 | |
1797 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
1798 | |
1799 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1800 | |
1801 | fSelfTimerMode = stream.TagValue_uint32 (tagType); |
1802 | |
1803 | #if qDNGValidate |
1804 | |
1805 | if (gVerbose) |
1806 | { |
1807 | |
1808 | printf ("SelfTimerMode: " ); |
1809 | |
1810 | if (fSelfTimerMode) |
1811 | { |
1812 | |
1813 | printf ("%u sec" , (unsigned) fSelfTimerMode); |
1814 | |
1815 | } |
1816 | |
1817 | else |
1818 | { |
1819 | |
1820 | printf ("Off" ); |
1821 | |
1822 | } |
1823 | |
1824 | printf ("\n" ); |
1825 | |
1826 | } |
1827 | |
1828 | #endif |
1829 | |
1830 | break; |
1831 | |
1832 | } |
1833 | |
1834 | case tcExifVersion: |
1835 | { |
1836 | |
1837 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
1838 | |
1839 | CheckTagCount (parentCode, tagCode, tagCount, 4); |
1840 | |
1841 | uint32 b0 = stream.Get_uint8 (); |
1842 | uint32 b1 = stream.Get_uint8 (); |
1843 | uint32 b2 = stream.Get_uint8 (); |
1844 | uint32 b3 = stream.Get_uint8 (); |
1845 | |
1846 | fExifVersion = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; |
1847 | |
1848 | #if qDNGValidate |
1849 | |
1850 | if (gVerbose) |
1851 | { |
1852 | |
1853 | real64 x = (b0 - '0') * 10.00 + |
1854 | (b1 - '0') * 1.00 + |
1855 | (b2 - '0') * 0.10 + |
1856 | (b3 - '0') * 0.01; |
1857 | |
1858 | printf ("ExifVersion: %0.2f\n" , x); |
1859 | |
1860 | } |
1861 | |
1862 | #endif |
1863 | |
1864 | break; |
1865 | |
1866 | } |
1867 | |
1868 | case tcDateTimeOriginal: |
1869 | { |
1870 | |
1871 | uint64 tagPosition = stream.PositionInOriginalFile (); |
1872 | |
1873 | dng_date_time dt; |
1874 | |
1875 | if (!ParseDateTimeTag (stream, |
1876 | parentCode, |
1877 | tagCode, |
1878 | tagType, |
1879 | tagCount, |
1880 | dt)) |
1881 | { |
1882 | return false; |
1883 | } |
1884 | |
1885 | fDateTimeOriginal.SetDateTime (dt); |
1886 | |
1887 | fDateTimeOriginalStorageInfo = dng_date_time_storage_info (tagPosition, |
1888 | dng_date_time_format_exif); |
1889 | |
1890 | #if qDNGValidate |
1891 | |
1892 | if (gVerbose) |
1893 | { |
1894 | |
1895 | printf ("DateTimeOriginal: " ); |
1896 | |
1897 | DumpDateTime (fDateTimeOriginal.DateTime ()); |
1898 | |
1899 | printf ("\n" ); |
1900 | |
1901 | } |
1902 | |
1903 | #endif |
1904 | |
1905 | break; |
1906 | |
1907 | } |
1908 | |
1909 | case tcDateTimeDigitized: |
1910 | { |
1911 | |
1912 | uint64 tagPosition = stream.PositionInOriginalFile (); |
1913 | |
1914 | dng_date_time dt; |
1915 | |
1916 | if (!ParseDateTimeTag (stream, |
1917 | parentCode, |
1918 | tagCode, |
1919 | tagType, |
1920 | tagCount, |
1921 | dt)) |
1922 | { |
1923 | return false; |
1924 | } |
1925 | |
1926 | fDateTimeDigitized.SetDateTime (dt); |
1927 | |
1928 | fDateTimeDigitizedStorageInfo = dng_date_time_storage_info (tagPosition, |
1929 | dng_date_time_format_exif); |
1930 | |
1931 | #if qDNGValidate |
1932 | |
1933 | if (gVerbose) |
1934 | { |
1935 | |
1936 | printf ("DateTimeDigitized: " ); |
1937 | |
1938 | DumpDateTime (fDateTimeDigitized.DateTime ()); |
1939 | |
1940 | printf ("\n" ); |
1941 | |
1942 | } |
1943 | |
1944 | #endif |
1945 | |
1946 | break; |
1947 | |
1948 | } |
1949 | |
1950 | case tcComponentsConfiguration: |
1951 | { |
1952 | |
1953 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
1954 | |
1955 | CheckTagCount (parentCode, tagCode, tagCount, 4); |
1956 | |
1957 | uint32 b0 = stream.Get_uint8 (); |
1958 | uint32 b1 = stream.Get_uint8 (); |
1959 | uint32 b2 = stream.Get_uint8 (); |
1960 | uint32 b3 = stream.Get_uint8 (); |
1961 | |
1962 | fComponentsConfiguration = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; |
1963 | |
1964 | #if qDNGValidate |
1965 | |
1966 | if (gVerbose) |
1967 | { |
1968 | |
1969 | printf ("ComponentsConfiguration: %s %s %s %s\n" , |
1970 | LookupComponent (b0), |
1971 | LookupComponent (b1), |
1972 | LookupComponent (b2), |
1973 | LookupComponent (b3)); |
1974 | |
1975 | } |
1976 | |
1977 | #endif |
1978 | |
1979 | break; |
1980 | |
1981 | } |
1982 | |
1983 | case tcCompressedBitsPerPixel: |
1984 | { |
1985 | |
1986 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
1987 | |
1988 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
1989 | |
1990 | fCompresssedBitsPerPixel = stream.TagValue_urational (tagType); |
1991 | |
1992 | #if qDNGValidate |
1993 | |
1994 | if (gVerbose) |
1995 | { |
1996 | |
1997 | printf ("CompressedBitsPerPixel: %0.2f\n" , |
1998 | fCompresssedBitsPerPixel.As_real64 ()); |
1999 | |
2000 | } |
2001 | |
2002 | #endif |
2003 | |
2004 | break; |
2005 | |
2006 | } |
2007 | |
2008 | case tcShutterSpeedValue: |
2009 | { |
2010 | |
2011 | CheckTagType (parentCode, tagCode, tagType, ttSRational); |
2012 | |
2013 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2014 | |
2015 | dng_srational ss = stream.TagValue_srational (tagType); |
2016 | |
2017 | #if qDNGValidate |
2018 | |
2019 | if (gVerbose) |
2020 | { |
2021 | |
2022 | printf ("ShutterSpeedValue: " ); |
2023 | |
2024 | real64 x = pow (2.0, -ss.As_real64 ()); |
2025 | |
2026 | DumpExposureTime (x); |
2027 | |
2028 | printf ("\n" ); |
2029 | |
2030 | } |
2031 | |
2032 | // The ExposureTime and ShutterSpeedValue tags should be consistent. |
2033 | |
2034 | if (fExposureTime.IsValid ()) |
2035 | { |
2036 | |
2037 | real64 et = fExposureTime.As_real64 (); |
2038 | |
2039 | real64 tv1 = -1.0 * log (et) / log (2.0); |
2040 | |
2041 | real64 tv2 = ss.As_real64 (); |
2042 | |
2043 | // Make sure they are within 0.25 APEX values. |
2044 | |
2045 | if (Abs_real64 (tv1 - tv2) > 0.25) |
2046 | { |
2047 | |
2048 | ReportWarning ("The ExposureTime and ShutterSpeedValue tags have conflicting values" ); |
2049 | |
2050 | } |
2051 | |
2052 | } |
2053 | |
2054 | #endif |
2055 | |
2056 | SetShutterSpeedValue (ss.As_real64 ()); |
2057 | |
2058 | break; |
2059 | |
2060 | } |
2061 | |
2062 | case tcApertureValue: |
2063 | { |
2064 | |
2065 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2066 | |
2067 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2068 | |
2069 | dng_urational av = stream.TagValue_urational (tagType); |
2070 | |
2071 | #if qDNGValidate |
2072 | |
2073 | if (gVerbose) |
2074 | { |
2075 | |
2076 | real64 x = pow (2.0, 0.5 * av.As_real64 ()); |
2077 | |
2078 | printf ("ApertureValue: f/%0.2f\n" , x); |
2079 | |
2080 | } |
2081 | |
2082 | // The FNumber and ApertureValue tags should be consistent. |
2083 | |
2084 | if (fFNumber.IsValid () && av.IsValid ()) |
2085 | { |
2086 | |
2087 | real64 fs = fFNumber.As_real64 (); |
2088 | |
2089 | real64 av1 = FNumberToApertureValue (fs); |
2090 | |
2091 | real64 av2 = av.As_real64 (); |
2092 | |
2093 | if (Abs_real64 (av1 - av2) > 0.25) |
2094 | { |
2095 | |
2096 | ReportWarning ("The FNumber and ApertureValue tags have conflicting values" ); |
2097 | |
2098 | } |
2099 | |
2100 | } |
2101 | |
2102 | #endif |
2103 | |
2104 | SetApertureValue (av.As_real64 ()); |
2105 | |
2106 | break; |
2107 | |
2108 | } |
2109 | |
2110 | case tcBrightnessValue: |
2111 | { |
2112 | |
2113 | CheckTagType (parentCode, tagCode, tagType, ttSRational); |
2114 | |
2115 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2116 | |
2117 | fBrightnessValue = stream.TagValue_srational (tagType); |
2118 | |
2119 | #if qDNGValidate |
2120 | |
2121 | if (gVerbose) |
2122 | { |
2123 | |
2124 | printf ("BrightnessValue: %0.2f\n" , |
2125 | fBrightnessValue.As_real64 ()); |
2126 | |
2127 | } |
2128 | |
2129 | #endif |
2130 | |
2131 | break; |
2132 | |
2133 | } |
2134 | |
2135 | case tcExposureBiasValue: |
2136 | { |
2137 | |
2138 | CheckTagType (parentCode, tagCode, tagType, ttSRational); |
2139 | |
2140 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2141 | |
2142 | fExposureBiasValue = stream.TagValue_srational (tagType); |
2143 | |
2144 | #if qDNGValidate |
2145 | |
2146 | if (gVerbose) |
2147 | { |
2148 | |
2149 | printf ("ExposureBiasValue: %0.2f\n" , |
2150 | fExposureBiasValue.As_real64 ()); |
2151 | |
2152 | } |
2153 | |
2154 | #endif |
2155 | |
2156 | break; |
2157 | |
2158 | } |
2159 | |
2160 | case tcMaxApertureValue: |
2161 | { |
2162 | |
2163 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2164 | |
2165 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2166 | |
2167 | fMaxApertureValue = stream.TagValue_urational (tagType); |
2168 | |
2169 | #if qDNGValidate |
2170 | |
2171 | if (gVerbose) |
2172 | { |
2173 | |
2174 | real64 x = pow (2.0, 0.5 * fMaxApertureValue.As_real64 ()); |
2175 | |
2176 | printf ("MaxApertureValue: f/%0.1f\n" , x); |
2177 | |
2178 | } |
2179 | |
2180 | #endif |
2181 | |
2182 | break; |
2183 | |
2184 | } |
2185 | |
2186 | case tcSubjectDistance: |
2187 | { |
2188 | |
2189 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2190 | |
2191 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2192 | |
2193 | fSubjectDistance = stream.TagValue_urational (tagType); |
2194 | |
2195 | fApproxFocusDistance = fSubjectDistance; |
2196 | |
2197 | #if qDNGValidate |
2198 | |
2199 | if (gVerbose) |
2200 | { |
2201 | |
2202 | printf ("SubjectDistance: %u/%u\n" , |
2203 | (unsigned) fSubjectDistance.n, |
2204 | (unsigned) fSubjectDistance.d); |
2205 | |
2206 | } |
2207 | |
2208 | #endif |
2209 | |
2210 | break; |
2211 | |
2212 | } |
2213 | |
2214 | case tcMeteringMode: |
2215 | { |
2216 | |
2217 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2218 | |
2219 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2220 | |
2221 | fMeteringMode = stream.TagValue_uint32 (tagType); |
2222 | |
2223 | #if qDNGValidate |
2224 | |
2225 | if (gVerbose) |
2226 | { |
2227 | |
2228 | printf ("MeteringMode: %s\n" , |
2229 | LookupMeteringMode (fMeteringMode)); |
2230 | |
2231 | } |
2232 | |
2233 | #endif |
2234 | |
2235 | break; |
2236 | |
2237 | } |
2238 | |
2239 | case tcLightSource: |
2240 | { |
2241 | |
2242 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2243 | |
2244 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2245 | |
2246 | fLightSource = stream.TagValue_uint32 (tagType); |
2247 | |
2248 | #if qDNGValidate |
2249 | |
2250 | if (gVerbose) |
2251 | { |
2252 | |
2253 | printf ("LightSource: %s\n" , |
2254 | LookupLightSource (fLightSource)); |
2255 | |
2256 | } |
2257 | |
2258 | #endif |
2259 | |
2260 | break; |
2261 | |
2262 | } |
2263 | |
2264 | case tcFlash: |
2265 | { |
2266 | |
2267 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2268 | |
2269 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2270 | |
2271 | fFlash = stream.TagValue_uint32 (tagType); |
2272 | |
2273 | #if qDNGValidate |
2274 | |
2275 | if (gVerbose) |
2276 | { |
2277 | |
2278 | printf ("Flash: %u\n" , (unsigned) fFlash); |
2279 | |
2280 | if ((fFlash >> 5) & 1) |
2281 | { |
2282 | printf (" No flash function\n" ); |
2283 | } |
2284 | |
2285 | else |
2286 | { |
2287 | |
2288 | if (fFlash & 0x1) |
2289 | { |
2290 | |
2291 | printf (" Flash fired\n" ); |
2292 | |
2293 | switch ((fFlash >> 1) & 0x3) |
2294 | { |
2295 | |
2296 | case 2: |
2297 | printf (" Strobe return light not detected\n" ); |
2298 | break; |
2299 | |
2300 | case 3: |
2301 | printf (" Strobe return light detected\n" ); |
2302 | break; |
2303 | |
2304 | } |
2305 | |
2306 | } |
2307 | |
2308 | else |
2309 | { |
2310 | printf (" Flash did not fire\n" ); |
2311 | } |
2312 | |
2313 | switch ((fFlash >> 3) & 0x3) |
2314 | { |
2315 | |
2316 | case 1: |
2317 | printf (" Compulsory flash firing\n" ); |
2318 | break; |
2319 | |
2320 | case 2: |
2321 | printf (" Compulsory flash suppression\n" ); |
2322 | break; |
2323 | |
2324 | case 3: |
2325 | printf (" Auto mode\n" ); |
2326 | break; |
2327 | |
2328 | } |
2329 | |
2330 | if ((fFlash >> 6) & 1) |
2331 | { |
2332 | printf (" Red-eye reduction supported\n" ); |
2333 | } |
2334 | |
2335 | } |
2336 | |
2337 | } |
2338 | |
2339 | #endif |
2340 | |
2341 | break; |
2342 | |
2343 | } |
2344 | |
2345 | case tcFocalLength: |
2346 | { |
2347 | |
2348 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2349 | |
2350 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2351 | |
2352 | fFocalLength = stream.TagValue_urational (tagType); |
2353 | |
2354 | // Sometimes "unknown" is recorded as zero. |
2355 | |
2356 | if (fFocalLength.As_real64 () <= 0.0) |
2357 | { |
2358 | fFocalLength.Clear (); |
2359 | } |
2360 | |
2361 | #if qDNGValidate |
2362 | |
2363 | if (gVerbose) |
2364 | { |
2365 | |
2366 | printf ("FocalLength: %0.1f mm\n" , |
2367 | fFocalLength.As_real64 ()); |
2368 | |
2369 | } |
2370 | |
2371 | #endif |
2372 | |
2373 | break; |
2374 | |
2375 | } |
2376 | |
2377 | case tcImageNumber: |
2378 | { |
2379 | |
2380 | CheckTagType (parentCode, tagCode, tagType, ttShort, ttLong); |
2381 | |
2382 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2383 | |
2384 | fImageNumber = stream.TagValue_uint32 (tagType); |
2385 | |
2386 | #if qDNGValidate |
2387 | |
2388 | if (gVerbose) |
2389 | { |
2390 | printf ("ImageNumber: %u\n" , (unsigned) fImageNumber); |
2391 | } |
2392 | |
2393 | #endif |
2394 | |
2395 | break; |
2396 | |
2397 | } |
2398 | |
2399 | case tcExposureIndex: |
2400 | case tcExposureIndexExif: |
2401 | { |
2402 | |
2403 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2404 | |
2405 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2406 | |
2407 | fExposureIndex = stream.TagValue_urational (tagType); |
2408 | |
2409 | #if qDNGValidate |
2410 | |
2411 | if (gVerbose) |
2412 | { |
2413 | |
2414 | printf ("%s: ISO %0.1f\n" , |
2415 | LookupTagCode (parentCode, tagCode), |
2416 | fExposureIndex.As_real64 ()); |
2417 | |
2418 | } |
2419 | |
2420 | #endif |
2421 | |
2422 | break; |
2423 | |
2424 | } |
2425 | |
2426 | case tcUserComment: |
2427 | { |
2428 | |
2429 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
2430 | |
2431 | ParseEncodedStringTag (stream, |
2432 | parentCode, |
2433 | tagCode, |
2434 | tagCount, |
2435 | fUserComment); |
2436 | |
2437 | #if qDNGValidate |
2438 | |
2439 | if (gVerbose) |
2440 | { |
2441 | |
2442 | printf ("UserComment: " ); |
2443 | |
2444 | DumpString (fUserComment); |
2445 | |
2446 | printf ("\n" ); |
2447 | |
2448 | } |
2449 | |
2450 | #endif |
2451 | |
2452 | break; |
2453 | |
2454 | } |
2455 | |
2456 | case tcSubsecTime: |
2457 | { |
2458 | |
2459 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
2460 | |
2461 | dng_string subsecs; |
2462 | |
2463 | ParseStringTag (stream, |
2464 | parentCode, |
2465 | tagCode, |
2466 | tagCount, |
2467 | subsecs); |
2468 | |
2469 | fDateTime.SetSubseconds (subsecs); |
2470 | |
2471 | #if qDNGValidate |
2472 | |
2473 | if (gVerbose) |
2474 | { |
2475 | |
2476 | printf ("SubsecTime: " ); |
2477 | |
2478 | DumpString (subsecs); |
2479 | |
2480 | printf ("\n" ); |
2481 | |
2482 | } |
2483 | |
2484 | #endif |
2485 | |
2486 | break; |
2487 | |
2488 | } |
2489 | |
2490 | case tcSubsecTimeOriginal: |
2491 | { |
2492 | |
2493 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
2494 | |
2495 | dng_string subsecs; |
2496 | |
2497 | ParseStringTag (stream, |
2498 | parentCode, |
2499 | tagCode, |
2500 | tagCount, |
2501 | subsecs); |
2502 | |
2503 | fDateTimeOriginal.SetSubseconds (subsecs); |
2504 | |
2505 | #if qDNGValidate |
2506 | |
2507 | if (gVerbose) |
2508 | { |
2509 | |
2510 | printf ("SubsecTimeOriginal: " ); |
2511 | |
2512 | DumpString (subsecs); |
2513 | |
2514 | printf ("\n" ); |
2515 | |
2516 | } |
2517 | |
2518 | #endif |
2519 | |
2520 | break; |
2521 | |
2522 | } |
2523 | |
2524 | case tcSubsecTimeDigitized: |
2525 | { |
2526 | |
2527 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
2528 | |
2529 | dng_string subsecs; |
2530 | |
2531 | ParseStringTag (stream, |
2532 | parentCode, |
2533 | tagCode, |
2534 | tagCount, |
2535 | subsecs); |
2536 | |
2537 | fDateTimeDigitized.SetSubseconds (subsecs); |
2538 | |
2539 | #if qDNGValidate |
2540 | |
2541 | if (gVerbose) |
2542 | { |
2543 | |
2544 | printf ("SubsecTimeDigitized: " ); |
2545 | |
2546 | DumpString (subsecs); |
2547 | |
2548 | printf ("\n" ); |
2549 | |
2550 | } |
2551 | |
2552 | #endif |
2553 | |
2554 | break; |
2555 | |
2556 | } |
2557 | |
2558 | case tcFlashPixVersion: |
2559 | { |
2560 | |
2561 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
2562 | |
2563 | CheckTagCount (parentCode, tagCode, tagCount, 4); |
2564 | |
2565 | uint32 b0 = stream.Get_uint8 (); |
2566 | uint32 b1 = stream.Get_uint8 (); |
2567 | uint32 b2 = stream.Get_uint8 (); |
2568 | uint32 b3 = stream.Get_uint8 (); |
2569 | |
2570 | fFlashPixVersion = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; |
2571 | |
2572 | #if qDNGValidate |
2573 | |
2574 | if (gVerbose) |
2575 | { |
2576 | |
2577 | real64 x = (b0 - '0') * 10.00 + |
2578 | (b1 - '0') * 1.00 + |
2579 | (b2 - '0') * 0.10 + |
2580 | (b3 - '0') * 0.01; |
2581 | |
2582 | printf ("FlashPixVersion: %0.2f\n" , x); |
2583 | |
2584 | } |
2585 | |
2586 | #endif |
2587 | |
2588 | break; |
2589 | |
2590 | } |
2591 | |
2592 | case tcColorSpace: |
2593 | { |
2594 | |
2595 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2596 | |
2597 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2598 | |
2599 | fColorSpace = stream.TagValue_uint32 (tagType); |
2600 | |
2601 | #if qDNGValidate |
2602 | |
2603 | if (gVerbose) |
2604 | { |
2605 | |
2606 | printf ("ColorSpace: %s\n" , |
2607 | LookupColorSpace (fColorSpace)); |
2608 | |
2609 | } |
2610 | |
2611 | #endif |
2612 | |
2613 | break; |
2614 | |
2615 | } |
2616 | |
2617 | case tcPixelXDimension: |
2618 | { |
2619 | |
2620 | CheckTagType (parentCode, tagCode, tagType, ttShort, ttLong); |
2621 | |
2622 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2623 | |
2624 | fPixelXDimension = stream.TagValue_uint32 (tagType); |
2625 | |
2626 | #if qDNGValidate |
2627 | |
2628 | if (gVerbose) |
2629 | { |
2630 | printf ("PixelXDimension: %u\n" , (unsigned) fPixelXDimension); |
2631 | } |
2632 | |
2633 | #endif |
2634 | |
2635 | break; |
2636 | |
2637 | } |
2638 | |
2639 | case tcPixelYDimension: |
2640 | { |
2641 | |
2642 | CheckTagType (parentCode, tagCode, tagType, ttShort, ttLong); |
2643 | |
2644 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2645 | |
2646 | fPixelYDimension = stream.TagValue_uint32 (tagType); |
2647 | |
2648 | #if qDNGValidate |
2649 | |
2650 | if (gVerbose) |
2651 | { |
2652 | printf ("PixelYDimension: %u\n" , (unsigned) fPixelYDimension); |
2653 | } |
2654 | |
2655 | #endif |
2656 | |
2657 | break; |
2658 | |
2659 | } |
2660 | |
2661 | case tcFocalPlaneXResolutionExif: |
2662 | { |
2663 | |
2664 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2665 | |
2666 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2667 | |
2668 | fFocalPlaneXResolution = stream.TagValue_urational (tagType); |
2669 | |
2670 | #if qDNGValidate |
2671 | |
2672 | if (gVerbose) |
2673 | { |
2674 | |
2675 | printf ("FocalPlaneXResolutionExif: %0.4f\n" , |
2676 | fFocalPlaneXResolution.As_real64 ()); |
2677 | |
2678 | } |
2679 | |
2680 | #endif |
2681 | |
2682 | break; |
2683 | |
2684 | } |
2685 | |
2686 | case tcFocalPlaneYResolutionExif: |
2687 | { |
2688 | |
2689 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2690 | |
2691 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2692 | |
2693 | fFocalPlaneYResolution = stream.TagValue_urational (tagType); |
2694 | |
2695 | #if qDNGValidate |
2696 | |
2697 | if (gVerbose) |
2698 | { |
2699 | |
2700 | printf ("FocalPlaneYResolutionExif: %0.4f\n" , |
2701 | fFocalPlaneYResolution.As_real64 ()); |
2702 | |
2703 | } |
2704 | |
2705 | #endif |
2706 | |
2707 | break; |
2708 | |
2709 | } |
2710 | |
2711 | case tcFocalPlaneResolutionUnitExif: |
2712 | { |
2713 | |
2714 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2715 | |
2716 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2717 | |
2718 | fFocalPlaneResolutionUnit = stream.TagValue_uint32 (tagType); |
2719 | |
2720 | #if qDNGValidate |
2721 | |
2722 | if (gVerbose) |
2723 | { |
2724 | |
2725 | printf ("FocalPlaneResolutionUnitExif: %s\n" , |
2726 | LookupResolutionUnit (fFocalPlaneResolutionUnit)); |
2727 | |
2728 | } |
2729 | |
2730 | #endif |
2731 | |
2732 | break; |
2733 | |
2734 | } |
2735 | |
2736 | case tcSensingMethodExif: |
2737 | { |
2738 | |
2739 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2740 | |
2741 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2742 | |
2743 | fSensingMethod = stream.TagValue_uint32 (tagType); |
2744 | |
2745 | #if qDNGValidate |
2746 | |
2747 | if (gVerbose) |
2748 | { |
2749 | |
2750 | printf ("SensingMethodExif: %s\n" , |
2751 | LookupSensingMethod (fSensingMethod)); |
2752 | |
2753 | } |
2754 | |
2755 | #endif |
2756 | |
2757 | break; |
2758 | |
2759 | } |
2760 | |
2761 | case tcFileSource: |
2762 | { |
2763 | |
2764 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
2765 | |
2766 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2767 | |
2768 | fFileSource = stream.Get_uint8 (); |
2769 | |
2770 | #if qDNGValidate |
2771 | |
2772 | if (gVerbose) |
2773 | { |
2774 | |
2775 | printf ("FileSource: %s\n" , |
2776 | LookupFileSource (fFileSource)); |
2777 | |
2778 | } |
2779 | |
2780 | #endif |
2781 | |
2782 | break; |
2783 | |
2784 | } |
2785 | |
2786 | case tcSceneType: |
2787 | { |
2788 | |
2789 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
2790 | |
2791 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2792 | |
2793 | fSceneType = stream.Get_uint8 (); |
2794 | |
2795 | #if qDNGValidate |
2796 | |
2797 | if (gVerbose) |
2798 | { |
2799 | |
2800 | printf ("SceneType: %s\n" , |
2801 | LookupSceneType (fSceneType)); |
2802 | |
2803 | } |
2804 | |
2805 | #endif |
2806 | |
2807 | break; |
2808 | |
2809 | } |
2810 | |
2811 | case tcCFAPatternExif: |
2812 | { |
2813 | |
2814 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
2815 | |
2816 | if (tagCount <= 4) |
2817 | { |
2818 | return false; |
2819 | } |
2820 | |
2821 | uint32 cols = stream.Get_uint16 (); |
2822 | uint32 rows = stream.Get_uint16 (); |
2823 | |
2824 | if (tagCount != 4 + cols * rows) |
2825 | { |
2826 | return false; |
2827 | } |
2828 | |
2829 | if (cols < 1 || cols > kMaxCFAPattern || |
2830 | rows < 1 || rows > kMaxCFAPattern) |
2831 | { |
2832 | return false; |
2833 | } |
2834 | |
2835 | fCFARepeatPatternCols = cols; |
2836 | fCFARepeatPatternRows = rows; |
2837 | |
2838 | // Note that the Exif spec stores this array in a different |
2839 | // scan order than the TIFF-EP spec. |
2840 | |
2841 | for (uint32 j = 0; j < fCFARepeatPatternCols; j++) |
2842 | for (uint32 k = 0; k < fCFARepeatPatternRows; k++) |
2843 | { |
2844 | |
2845 | fCFAPattern [k] [j] = stream.Get_uint8 (); |
2846 | |
2847 | } |
2848 | |
2849 | #if qDNGValidate |
2850 | |
2851 | if (gVerbose) |
2852 | { |
2853 | |
2854 | printf ("CFAPatternExif:\n" ); |
2855 | |
2856 | for (uint32 j = 0; j < fCFARepeatPatternRows; j++) |
2857 | { |
2858 | |
2859 | int32 spaces = 4; |
2860 | |
2861 | for (uint32 k = 0; k < fCFARepeatPatternCols; k++) |
2862 | { |
2863 | |
2864 | while (spaces-- > 0) |
2865 | { |
2866 | printf (" " ); |
2867 | } |
2868 | |
2869 | const char *name = LookupCFAColor (fCFAPattern [j] [k]); |
2870 | |
2871 | spaces = 9 - (int32) strlen (name); |
2872 | |
2873 | printf ("%s" , name); |
2874 | |
2875 | } |
2876 | |
2877 | printf ("\n" ); |
2878 | |
2879 | } |
2880 | |
2881 | } |
2882 | |
2883 | #endif |
2884 | |
2885 | break; |
2886 | |
2887 | } |
2888 | |
2889 | case tcCustomRendered: |
2890 | { |
2891 | |
2892 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2893 | |
2894 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2895 | |
2896 | fCustomRendered = stream.TagValue_uint32 (tagType); |
2897 | |
2898 | #if qDNGValidate |
2899 | |
2900 | if (gVerbose) |
2901 | { |
2902 | |
2903 | printf ("CustomRendered: %s\n" , |
2904 | LookupCustomRendered (fCustomRendered)); |
2905 | |
2906 | } |
2907 | |
2908 | #endif |
2909 | |
2910 | break; |
2911 | |
2912 | } |
2913 | |
2914 | case tcExposureMode: |
2915 | { |
2916 | |
2917 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2918 | |
2919 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2920 | |
2921 | fExposureMode = stream.TagValue_uint32 (tagType); |
2922 | |
2923 | #if qDNGValidate |
2924 | |
2925 | if (gVerbose) |
2926 | { |
2927 | |
2928 | printf ("ExposureMode: %s\n" , |
2929 | LookupExposureMode (fExposureMode)); |
2930 | |
2931 | } |
2932 | |
2933 | #endif |
2934 | |
2935 | break; |
2936 | |
2937 | } |
2938 | |
2939 | case tcWhiteBalance: |
2940 | { |
2941 | |
2942 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
2943 | |
2944 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2945 | |
2946 | fWhiteBalance = stream.TagValue_uint32 (tagType); |
2947 | |
2948 | #if qDNGValidate |
2949 | |
2950 | if (gVerbose) |
2951 | { |
2952 | |
2953 | printf ("WhiteBalance: %s\n" , |
2954 | LookupWhiteBalance (fWhiteBalance)); |
2955 | |
2956 | } |
2957 | |
2958 | #endif |
2959 | |
2960 | break; |
2961 | |
2962 | } |
2963 | |
2964 | case tcDigitalZoomRatio: |
2965 | { |
2966 | |
2967 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
2968 | |
2969 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
2970 | |
2971 | fDigitalZoomRatio = stream.TagValue_urational (tagType); |
2972 | |
2973 | #if qDNGValidate |
2974 | |
2975 | if (gVerbose) |
2976 | { |
2977 | |
2978 | printf ("DigitalZoomRatio: " ); |
2979 | |
2980 | if (fDigitalZoomRatio.n == 0 || |
2981 | fDigitalZoomRatio.d == 0) |
2982 | { |
2983 | |
2984 | printf ("Not used\n" ); |
2985 | |
2986 | } |
2987 | |
2988 | else |
2989 | { |
2990 | |
2991 | printf ("%0.2f\n" , fDigitalZoomRatio.As_real64 ()); |
2992 | |
2993 | } |
2994 | |
2995 | } |
2996 | |
2997 | #endif |
2998 | |
2999 | break; |
3000 | |
3001 | } |
3002 | |
3003 | case tcFocalLengthIn35mmFilm: |
3004 | { |
3005 | |
3006 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3007 | |
3008 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3009 | |
3010 | fFocalLengthIn35mmFilm = stream.TagValue_uint32 (tagType); |
3011 | |
3012 | #if qDNGValidate |
3013 | |
3014 | if (gVerbose) |
3015 | { |
3016 | |
3017 | printf ("FocalLengthIn35mmFilm: %u mm\n" , |
3018 | (unsigned) fFocalLengthIn35mmFilm); |
3019 | |
3020 | } |
3021 | |
3022 | #endif |
3023 | |
3024 | break; |
3025 | |
3026 | } |
3027 | |
3028 | case tcSceneCaptureType: |
3029 | { |
3030 | |
3031 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3032 | |
3033 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3034 | |
3035 | fSceneCaptureType = stream.TagValue_uint32 (tagType); |
3036 | |
3037 | #if qDNGValidate |
3038 | |
3039 | if (gVerbose) |
3040 | { |
3041 | |
3042 | printf ("SceneCaptureType: %s\n" , |
3043 | LookupSceneCaptureType (fSceneCaptureType)); |
3044 | |
3045 | } |
3046 | |
3047 | #endif |
3048 | |
3049 | break; |
3050 | |
3051 | } |
3052 | |
3053 | case tcGainControl: |
3054 | { |
3055 | |
3056 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3057 | |
3058 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3059 | |
3060 | fGainControl = stream.TagValue_uint32 (tagType); |
3061 | |
3062 | #if qDNGValidate |
3063 | |
3064 | if (gVerbose) |
3065 | { |
3066 | |
3067 | printf ("GainControl: %s\n" , |
3068 | LookupGainControl (fGainControl)); |
3069 | |
3070 | } |
3071 | |
3072 | #endif |
3073 | |
3074 | break; |
3075 | |
3076 | } |
3077 | |
3078 | case tcContrast: |
3079 | { |
3080 | |
3081 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3082 | |
3083 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3084 | |
3085 | fContrast = stream.TagValue_uint32 (tagType); |
3086 | |
3087 | #if qDNGValidate |
3088 | |
3089 | if (gVerbose) |
3090 | { |
3091 | |
3092 | printf ("Contrast: %s\n" , |
3093 | LookupContrast (fContrast)); |
3094 | |
3095 | } |
3096 | |
3097 | #endif |
3098 | |
3099 | break; |
3100 | |
3101 | } |
3102 | |
3103 | case tcSaturation: |
3104 | { |
3105 | |
3106 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3107 | |
3108 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3109 | |
3110 | fSaturation = stream.TagValue_uint32 (tagType); |
3111 | |
3112 | #if qDNGValidate |
3113 | |
3114 | if (gVerbose) |
3115 | { |
3116 | |
3117 | printf ("Saturation: %s\n" , |
3118 | LookupSaturation (fSaturation)); |
3119 | |
3120 | } |
3121 | |
3122 | #endif |
3123 | |
3124 | break; |
3125 | |
3126 | } |
3127 | |
3128 | case tcSharpness: |
3129 | { |
3130 | |
3131 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3132 | |
3133 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3134 | |
3135 | fSharpness = stream.TagValue_uint32 (tagType); |
3136 | |
3137 | #if qDNGValidate |
3138 | |
3139 | if (gVerbose) |
3140 | { |
3141 | |
3142 | printf ("Sharpness: %s\n" , |
3143 | LookupSharpness (fSharpness)); |
3144 | |
3145 | } |
3146 | |
3147 | #endif |
3148 | |
3149 | break; |
3150 | |
3151 | } |
3152 | |
3153 | case tcSubjectDistanceRange: |
3154 | { |
3155 | |
3156 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3157 | |
3158 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3159 | |
3160 | fSubjectDistanceRange = stream.TagValue_uint32 (tagType); |
3161 | |
3162 | #if qDNGValidate |
3163 | |
3164 | if (gVerbose) |
3165 | { |
3166 | |
3167 | printf ("SubjectDistanceRange: %s\n" , |
3168 | LookupSubjectDistanceRange (fSubjectDistanceRange)); |
3169 | |
3170 | } |
3171 | |
3172 | #endif |
3173 | |
3174 | break; |
3175 | |
3176 | } |
3177 | |
3178 | case tcSubjectArea: |
3179 | case tcSubjectLocation: |
3180 | { |
3181 | |
3182 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3183 | |
3184 | if (!CheckTagCount (parentCode, tagCode, tagCount, 2, 4)) |
3185 | { |
3186 | return false; |
3187 | } |
3188 | |
3189 | if (tagCode == tcSubjectLocation) |
3190 | { |
3191 | CheckTagCount (parentCode, tagCode, tagCount, 2); |
3192 | } |
3193 | |
3194 | fSubjectAreaCount = tagCount; |
3195 | |
3196 | for (uint32 j = 0; j < tagCount; j++) |
3197 | { |
3198 | |
3199 | fSubjectArea [j] = stream.TagValue_uint32 (tagType); |
3200 | |
3201 | } |
3202 | |
3203 | #if qDNGValidate |
3204 | |
3205 | if (gVerbose) |
3206 | { |
3207 | |
3208 | printf ("%s:" , LookupTagCode (parentCode, tagCode)); |
3209 | |
3210 | for (uint32 j = 0; j < fSubjectAreaCount; j++) |
3211 | { |
3212 | |
3213 | printf (" %u" , (unsigned) fSubjectArea [j]); |
3214 | |
3215 | } |
3216 | |
3217 | printf ("\n" ); |
3218 | |
3219 | } |
3220 | |
3221 | #endif |
3222 | |
3223 | break; |
3224 | |
3225 | } |
3226 | |
3227 | case tcGamma: |
3228 | { |
3229 | |
3230 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
3231 | |
3232 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3233 | |
3234 | fGamma = stream.TagValue_urational (tagType); |
3235 | |
3236 | #if qDNGValidate |
3237 | |
3238 | if (gVerbose) |
3239 | { |
3240 | |
3241 | printf ("Gamma: %0.2f\n" , |
3242 | fGamma.As_real64 ()); |
3243 | |
3244 | } |
3245 | |
3246 | #endif |
3247 | |
3248 | break; |
3249 | |
3250 | } |
3251 | |
3252 | case tcImageUniqueID: |
3253 | { |
3254 | |
3255 | if (!CheckTagType (parentCode, tagCode, tagType, ttAscii)) |
3256 | return false; |
3257 | |
3258 | if (!CheckTagCount (parentCode, tagCode, tagCount, 33)) |
3259 | return false; |
3260 | |
3261 | dng_string s; |
3262 | |
3263 | ParseStringTag (stream, |
3264 | parentCode, |
3265 | tagCode, |
3266 | tagCount, |
3267 | s); |
3268 | |
3269 | if (s.Length () != 32) |
3270 | return false; |
3271 | |
3272 | dng_fingerprint f; |
3273 | |
3274 | for (uint32 j = 0; j < 32; j++) |
3275 | { |
3276 | |
3277 | char c = ForceUppercase (s.Get () [j]); |
3278 | |
3279 | uint32 digit; |
3280 | |
3281 | if (c >= '0' && c <= '9') |
3282 | { |
3283 | digit = c - '0'; |
3284 | } |
3285 | |
3286 | else if (c >= 'A' && c <= 'F') |
3287 | { |
3288 | digit = c - 'A' + 10; |
3289 | } |
3290 | |
3291 | else |
3292 | return false; |
3293 | |
3294 | f.data [j >> 1] *= 16; |
3295 | f.data [j >> 1] += (uint8) digit; |
3296 | |
3297 | } |
3298 | |
3299 | fImageUniqueID = f; |
3300 | |
3301 | #if qDNGValidate |
3302 | |
3303 | if (gVerbose) |
3304 | { |
3305 | |
3306 | printf ("ImageUniqueID: " ); |
3307 | |
3308 | DumpFingerprint (fImageUniqueID); |
3309 | |
3310 | printf ("\n" ); |
3311 | |
3312 | } |
3313 | |
3314 | #endif |
3315 | |
3316 | break; |
3317 | |
3318 | } |
3319 | |
3320 | case tcCameraOwnerNameExif: |
3321 | { |
3322 | |
3323 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
3324 | |
3325 | ParseStringTag (stream, |
3326 | parentCode, |
3327 | tagCode, |
3328 | tagCount, |
3329 | fOwnerName); |
3330 | |
3331 | #if qDNGValidate |
3332 | |
3333 | if (gVerbose) |
3334 | { |
3335 | |
3336 | printf ("CameraOwnerName: " ); |
3337 | |
3338 | DumpString (fOwnerName); |
3339 | |
3340 | printf ("\n" ); |
3341 | |
3342 | } |
3343 | |
3344 | #endif |
3345 | |
3346 | break; |
3347 | |
3348 | } |
3349 | |
3350 | case tcCameraSerialNumberExif: |
3351 | { |
3352 | |
3353 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
3354 | |
3355 | ParseStringTag (stream, |
3356 | parentCode, |
3357 | tagCode, |
3358 | tagCount, |
3359 | fCameraSerialNumber); |
3360 | |
3361 | #if qDNGValidate |
3362 | |
3363 | if (gVerbose) |
3364 | { |
3365 | |
3366 | printf ("%s: " , LookupTagCode (parentCode, tagCode)); |
3367 | |
3368 | DumpString (fCameraSerialNumber); |
3369 | |
3370 | printf ("\n" ); |
3371 | |
3372 | } |
3373 | |
3374 | #endif |
3375 | |
3376 | break; |
3377 | |
3378 | } |
3379 | |
3380 | case tcLensSpecificationExif: |
3381 | { |
3382 | |
3383 | CheckTagType (parentCode, tagCode, tagType, ttRational); |
3384 | |
3385 | if (!CheckTagCount (parentCode, tagCode, tagCount, 4)) |
3386 | return false; |
3387 | |
3388 | fLensInfo [0] = stream.TagValue_urational (tagType); |
3389 | fLensInfo [1] = stream.TagValue_urational (tagType); |
3390 | fLensInfo [2] = stream.TagValue_urational (tagType); |
3391 | fLensInfo [3] = stream.TagValue_urational (tagType); |
3392 | |
3393 | // Some third party software wrote zero rather than undefined values for |
3394 | // unknown entries. Work around this bug. |
3395 | |
3396 | for (uint32 j = 0; j < 4; j++) |
3397 | { |
3398 | |
3399 | if (fLensInfo [j].IsValid () && fLensInfo [j].As_real64 () <= 0.0) |
3400 | { |
3401 | |
3402 | fLensInfo [j] = dng_urational (0, 0); |
3403 | |
3404 | #if qDNGValidate |
3405 | |
3406 | ReportWarning ("Zero entry in LensSpecification tag--should be undefined" ); |
3407 | |
3408 | #endif |
3409 | |
3410 | } |
3411 | |
3412 | } |
3413 | |
3414 | #if qDNGValidate |
3415 | |
3416 | if (gVerbose) |
3417 | { |
3418 | |
3419 | printf ("LensSpecificationExif: " ); |
3420 | |
3421 | real64 minFL = fLensInfo [0].As_real64 (); |
3422 | real64 maxFL = fLensInfo [1].As_real64 (); |
3423 | |
3424 | if (minFL == maxFL) |
3425 | printf ("%0.1f mm" , minFL); |
3426 | else |
3427 | printf ("%0.1f-%0.1f mm" , minFL, maxFL); |
3428 | |
3429 | if (fLensInfo [2].d) |
3430 | { |
3431 | |
3432 | real64 minFS = fLensInfo [2].As_real64 (); |
3433 | real64 maxFS = fLensInfo [3].As_real64 (); |
3434 | |
3435 | if (minFS == maxFS) |
3436 | printf (" f/%0.1f" , minFS); |
3437 | else |
3438 | printf (" f/%0.1f-%0.1f" , minFS, maxFS); |
3439 | |
3440 | } |
3441 | |
3442 | printf ("\n" ); |
3443 | |
3444 | } |
3445 | |
3446 | #endif |
3447 | |
3448 | break; |
3449 | |
3450 | } |
3451 | |
3452 | case tcLensMakeExif: |
3453 | { |
3454 | |
3455 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
3456 | |
3457 | ParseStringTag (stream, |
3458 | parentCode, |
3459 | tagCode, |
3460 | tagCount, |
3461 | fLensMake); |
3462 | |
3463 | #if qDNGValidate |
3464 | |
3465 | if (gVerbose) |
3466 | { |
3467 | |
3468 | printf ("%s: " , LookupTagCode (parentCode, tagCode)); |
3469 | |
3470 | DumpString (fLensMake); |
3471 | |
3472 | printf ("\n" ); |
3473 | |
3474 | } |
3475 | |
3476 | #endif |
3477 | |
3478 | break; |
3479 | |
3480 | } |
3481 | |
3482 | case tcLensModelExif: |
3483 | { |
3484 | |
3485 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
3486 | |
3487 | ParseStringTag (stream, |
3488 | parentCode, |
3489 | tagCode, |
3490 | tagCount, |
3491 | fLensName); |
3492 | |
3493 | fLensNameWasReadFromExif = fLensName.NotEmpty (); |
3494 | |
3495 | #if qDNGValidate |
3496 | |
3497 | if (gVerbose) |
3498 | { |
3499 | |
3500 | printf ("%s: " , LookupTagCode (parentCode, tagCode)); |
3501 | |
3502 | DumpString (fLensName); |
3503 | |
3504 | printf ("\n" ); |
3505 | |
3506 | } |
3507 | |
3508 | #endif |
3509 | |
3510 | break; |
3511 | |
3512 | } |
3513 | |
3514 | case tcLensSerialNumberExif: |
3515 | { |
3516 | |
3517 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
3518 | |
3519 | ParseStringTag (stream, |
3520 | parentCode, |
3521 | tagCode, |
3522 | tagCount, |
3523 | fLensSerialNumber); |
3524 | |
3525 | #if qDNGValidate |
3526 | |
3527 | if (gVerbose) |
3528 | { |
3529 | |
3530 | printf ("%s: " , LookupTagCode (parentCode, tagCode)); |
3531 | |
3532 | DumpString (fLensSerialNumber); |
3533 | |
3534 | printf ("\n" ); |
3535 | |
3536 | } |
3537 | |
3538 | #endif |
3539 | |
3540 | break; |
3541 | |
3542 | } |
3543 | |
3544 | default: |
3545 | { |
3546 | |
3547 | return false; |
3548 | |
3549 | } |
3550 | |
3551 | } |
3552 | |
3553 | return true; |
3554 | |
3555 | } |
3556 | |
3557 | /*****************************************************************************/ |
3558 | |
3559 | // Parses tags that should only appear in GPS IFD |
3560 | |
3561 | bool dng_exif::Parse_gps (dng_stream &stream, |
3562 | dng_shared & /* shared */, |
3563 | uint32 parentCode, |
3564 | uint32 tagCode, |
3565 | uint32 tagType, |
3566 | uint32 tagCount, |
3567 | uint64 /* tagOffset */) |
3568 | { |
3569 | |
3570 | switch (tagCode) |
3571 | { |
3572 | |
3573 | case tcGPSVersionID: |
3574 | { |
3575 | |
3576 | CheckTagType (parentCode, tagCode, tagType, ttByte); |
3577 | |
3578 | CheckTagCount (parentCode, tagCode, tagCount, 4); |
3579 | |
3580 | uint32 b0 = stream.Get_uint8 (); |
3581 | uint32 b1 = stream.Get_uint8 (); |
3582 | uint32 b2 = stream.Get_uint8 (); |
3583 | uint32 b3 = stream.Get_uint8 (); |
3584 | |
3585 | fGPSVersionID = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; |
3586 | |
3587 | #if qDNGValidate |
3588 | |
3589 | if (gVerbose) |
3590 | { |
3591 | printf ("GPSVersionID: %u.%u.%u.%u\n" , |
3592 | (unsigned) b0, |
3593 | (unsigned) b1, |
3594 | (unsigned) b2, |
3595 | (unsigned) b3); |
3596 | } |
3597 | |
3598 | #endif |
3599 | |
3600 | break; |
3601 | |
3602 | } |
3603 | |
3604 | case tcGPSLatitudeRef: |
3605 | case tcGPSLongitudeRef: |
3606 | case tcGPSSatellites: |
3607 | case tcGPSStatus: |
3608 | case tcGPSMeasureMode: |
3609 | case tcGPSSpeedRef: |
3610 | case tcGPSTrackRef: |
3611 | case tcGPSImgDirectionRef: |
3612 | case tcGPSMapDatum: |
3613 | case tcGPSDestLatitudeRef: |
3614 | case tcGPSDestLongitudeRef: |
3615 | case tcGPSDestBearingRef: |
3616 | case tcGPSDestDistanceRef: |
3617 | case tcGPSDateStamp: |
3618 | { |
3619 | |
3620 | if (!CheckTagType (parentCode, tagCode, tagType, ttAscii)) |
3621 | return false; |
3622 | |
3623 | dng_string *s; |
3624 | |
3625 | switch (tagCode) |
3626 | { |
3627 | |
3628 | case tcGPSLatitudeRef: |
3629 | s = &fGPSLatitudeRef; |
3630 | break; |
3631 | |
3632 | case tcGPSLongitudeRef: |
3633 | s = &fGPSLongitudeRef; |
3634 | break; |
3635 | |
3636 | case tcGPSSatellites: |
3637 | s = &fGPSSatellites; |
3638 | break; |
3639 | |
3640 | case tcGPSStatus: |
3641 | s = &fGPSStatus; |
3642 | break; |
3643 | |
3644 | case tcGPSMeasureMode: |
3645 | s = &fGPSMeasureMode; |
3646 | break; |
3647 | |
3648 | case tcGPSSpeedRef: |
3649 | s = &fGPSSpeedRef; |
3650 | break; |
3651 | |
3652 | case tcGPSTrackRef: |
3653 | s = &fGPSTrackRef; |
3654 | break; |
3655 | |
3656 | case tcGPSImgDirectionRef: |
3657 | s = &fGPSImgDirectionRef; |
3658 | break; |
3659 | |
3660 | case tcGPSMapDatum: |
3661 | s = &fGPSMapDatum; |
3662 | break; |
3663 | |
3664 | case tcGPSDestLatitudeRef: |
3665 | s = &fGPSDestLatitudeRef; |
3666 | break; |
3667 | |
3668 | case tcGPSDestLongitudeRef: |
3669 | s = &fGPSDestLongitudeRef; |
3670 | break; |
3671 | |
3672 | case tcGPSDestBearingRef: |
3673 | s = &fGPSDestBearingRef; |
3674 | break; |
3675 | |
3676 | case tcGPSDestDistanceRef: |
3677 | s = &fGPSDestDistanceRef; |
3678 | break; |
3679 | |
3680 | case tcGPSDateStamp: |
3681 | s = &fGPSDateStamp; |
3682 | break; |
3683 | |
3684 | default: |
3685 | return false; |
3686 | |
3687 | } |
3688 | |
3689 | ParseStringTag (stream, |
3690 | parentCode, |
3691 | tagCode, |
3692 | tagCount, |
3693 | *s); |
3694 | |
3695 | #if qDNGValidate |
3696 | |
3697 | if (gVerbose) |
3698 | { |
3699 | |
3700 | printf ("%s: " , LookupTagCode (parentCode, tagCode)); |
3701 | |
3702 | DumpString (*s); |
3703 | |
3704 | printf ("\n" ); |
3705 | |
3706 | } |
3707 | |
3708 | #endif |
3709 | |
3710 | break; |
3711 | |
3712 | } |
3713 | |
3714 | case tcGPSLatitude: |
3715 | case tcGPSLongitude: |
3716 | case tcGPSTimeStamp: |
3717 | case tcGPSDestLatitude: |
3718 | case tcGPSDestLongitude: |
3719 | { |
3720 | |
3721 | if (!CheckTagType (parentCode, tagCode, tagType, ttRational)) |
3722 | return false; |
3723 | |
3724 | if (!CheckTagCount (parentCode, tagCode, tagCount, 3)) |
3725 | return false; |
3726 | |
3727 | dng_urational *u; |
3728 | |
3729 | switch (tagCode) |
3730 | { |
3731 | |
3732 | case tcGPSLatitude: |
3733 | u = fGPSLatitude; |
3734 | break; |
3735 | |
3736 | case tcGPSLongitude: |
3737 | u = fGPSLongitude; |
3738 | break; |
3739 | |
3740 | case tcGPSTimeStamp: |
3741 | u = fGPSTimeStamp; |
3742 | break; |
3743 | |
3744 | case tcGPSDestLatitude: |
3745 | u = fGPSDestLatitude; |
3746 | break; |
3747 | |
3748 | case tcGPSDestLongitude: |
3749 | u = fGPSDestLongitude; |
3750 | break; |
3751 | |
3752 | default: |
3753 | return false; |
3754 | |
3755 | } |
3756 | |
3757 | u [0] = stream.TagValue_urational (tagType); |
3758 | u [1] = stream.TagValue_urational (tagType); |
3759 | u [2] = stream.TagValue_urational (tagType); |
3760 | |
3761 | #if qDNGValidate |
3762 | |
3763 | if (gVerbose) |
3764 | { |
3765 | |
3766 | printf ("%s:" , LookupTagCode (parentCode, tagCode)); |
3767 | |
3768 | for (uint32 j = 0; j < 3; j++) |
3769 | { |
3770 | |
3771 | if (u [j].d == 0) |
3772 | printf (" -" ); |
3773 | |
3774 | else |
3775 | printf (" %0.4f" , u [j].As_real64 ()); |
3776 | |
3777 | } |
3778 | |
3779 | printf ("\n" ); |
3780 | |
3781 | } |
3782 | |
3783 | #endif |
3784 | |
3785 | break; |
3786 | |
3787 | } |
3788 | |
3789 | case tcGPSAltitudeRef: |
3790 | { |
3791 | |
3792 | CheckTagType (parentCode, tagCode, tagType, ttByte); |
3793 | |
3794 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3795 | |
3796 | fGPSAltitudeRef = stream.TagValue_uint32 (tagType); |
3797 | |
3798 | #if qDNGValidate |
3799 | |
3800 | if (gVerbose) |
3801 | { |
3802 | |
3803 | printf ("GPSAltitudeRef: " ); |
3804 | |
3805 | switch (fGPSAltitudeRef) |
3806 | { |
3807 | |
3808 | case 0: |
3809 | printf ("Sea level" ); |
3810 | break; |
3811 | |
3812 | case 1: |
3813 | printf ("Sea level reference (negative value)" ); |
3814 | break; |
3815 | |
3816 | default: |
3817 | printf ("%u" , (unsigned) fGPSAltitudeRef); |
3818 | break; |
3819 | |
3820 | } |
3821 | |
3822 | printf ("\n" ); |
3823 | |
3824 | } |
3825 | |
3826 | #endif |
3827 | |
3828 | break; |
3829 | |
3830 | } |
3831 | |
3832 | case tcGPSAltitude: |
3833 | case tcGPSDOP: |
3834 | case tcGPSSpeed: |
3835 | case tcGPSTrack: |
3836 | case tcGPSImgDirection: |
3837 | case tcGPSDestBearing: |
3838 | case tcGPSDestDistance: |
3839 | case tcGPSHPositioningError: |
3840 | { |
3841 | |
3842 | if (!CheckTagType (parentCode, tagCode, tagType, ttRational)) |
3843 | return false; |
3844 | |
3845 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3846 | |
3847 | dng_urational *u; |
3848 | |
3849 | switch (tagCode) |
3850 | { |
3851 | |
3852 | case tcGPSAltitude: |
3853 | u = &fGPSAltitude; |
3854 | break; |
3855 | |
3856 | case tcGPSDOP: |
3857 | u = &fGPSDOP; |
3858 | break; |
3859 | |
3860 | case tcGPSSpeed: |
3861 | u = &fGPSSpeed; |
3862 | break; |
3863 | |
3864 | case tcGPSTrack: |
3865 | u = &fGPSTrack; |
3866 | break; |
3867 | |
3868 | case tcGPSImgDirection: |
3869 | u = &fGPSImgDirection; |
3870 | break; |
3871 | |
3872 | case tcGPSDestBearing: |
3873 | u = &fGPSDestBearing; |
3874 | break; |
3875 | |
3876 | case tcGPSDestDistance: |
3877 | u = &fGPSDestDistance; |
3878 | break; |
3879 | |
3880 | case tcGPSHPositioningError: |
3881 | u = &fGPSHPositioningError; |
3882 | break; |
3883 | |
3884 | default: |
3885 | return false; |
3886 | |
3887 | } |
3888 | |
3889 | *u = stream.TagValue_urational (tagType); |
3890 | |
3891 | #if qDNGValidate |
3892 | |
3893 | if (gVerbose) |
3894 | { |
3895 | |
3896 | printf ("%s:" , LookupTagCode (parentCode, tagCode)); |
3897 | |
3898 | if (u->d == 0) |
3899 | printf (" -" ); |
3900 | |
3901 | else |
3902 | printf (" %0.4f" , u->As_real64 ()); |
3903 | |
3904 | printf ("\n" ); |
3905 | |
3906 | } |
3907 | |
3908 | #endif |
3909 | |
3910 | break; |
3911 | |
3912 | } |
3913 | |
3914 | case tcGPSProcessingMethod: |
3915 | case tcGPSAreaInformation: |
3916 | { |
3917 | |
3918 | if (!CheckTagType (parentCode, tagCode, tagType, ttUndefined)) |
3919 | return false; |
3920 | |
3921 | dng_string *s; |
3922 | |
3923 | switch (tagCode) |
3924 | { |
3925 | |
3926 | case tcGPSProcessingMethod: |
3927 | s = &fGPSProcessingMethod; |
3928 | break; |
3929 | |
3930 | case tcGPSAreaInformation: |
3931 | s = &fGPSAreaInformation; |
3932 | break; |
3933 | |
3934 | default: |
3935 | return false; |
3936 | |
3937 | } |
3938 | |
3939 | ParseEncodedStringTag (stream, |
3940 | parentCode, |
3941 | tagCode, |
3942 | tagCount, |
3943 | *s); |
3944 | |
3945 | #if qDNGValidate |
3946 | |
3947 | if (gVerbose) |
3948 | { |
3949 | |
3950 | printf ("%s: " , LookupTagCode (parentCode, tagCode)); |
3951 | |
3952 | DumpString (*s); |
3953 | |
3954 | printf ("\n" ); |
3955 | |
3956 | } |
3957 | |
3958 | #endif |
3959 | |
3960 | break; |
3961 | |
3962 | } |
3963 | |
3964 | case tcGPSDifferential: |
3965 | { |
3966 | |
3967 | CheckTagType (parentCode, tagCode, tagType, ttShort); |
3968 | |
3969 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
3970 | |
3971 | fGPSDifferential = stream.TagValue_uint32 (tagType); |
3972 | |
3973 | #if qDNGValidate |
3974 | |
3975 | if (gVerbose) |
3976 | { |
3977 | |
3978 | printf ("GPSDifferential: " ); |
3979 | |
3980 | switch (fGPSDifferential) |
3981 | { |
3982 | |
3983 | case 0: |
3984 | printf ("Measurement without differential correction" ); |
3985 | break; |
3986 | |
3987 | case 1: |
3988 | printf ("Differential correction applied" ); |
3989 | break; |
3990 | |
3991 | default: |
3992 | printf ("%u" , (unsigned) fGPSDifferential); |
3993 | |
3994 | } |
3995 | |
3996 | printf ("\n" ); |
3997 | |
3998 | } |
3999 | |
4000 | #endif |
4001 | |
4002 | break; |
4003 | |
4004 | } |
4005 | |
4006 | default: |
4007 | { |
4008 | |
4009 | return false; |
4010 | |
4011 | } |
4012 | |
4013 | } |
4014 | |
4015 | return true; |
4016 | |
4017 | } |
4018 | |
4019 | /*****************************************************************************/ |
4020 | |
4021 | // Parses tags that should only appear in Interoperability IFD |
4022 | |
4023 | bool dng_exif::Parse_interoperability (dng_stream &stream, |
4024 | dng_shared & /* shared */, |
4025 | uint32 parentCode, |
4026 | uint32 tagCode, |
4027 | uint32 tagType, |
4028 | uint32 tagCount, |
4029 | uint64 /* tagOffset */) |
4030 | { |
4031 | |
4032 | switch (tagCode) |
4033 | { |
4034 | |
4035 | case tcInteroperabilityIndex: |
4036 | { |
4037 | |
4038 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
4039 | |
4040 | CheckTagCount (parentCode, tagCode, tagCount, 4); |
4041 | |
4042 | ParseStringTag (stream, |
4043 | parentCode, |
4044 | tagCode, |
4045 | tagCount, |
4046 | fInteroperabilityIndex); |
4047 | |
4048 | #if qDNGValidate |
4049 | |
4050 | if (gVerbose) |
4051 | { |
4052 | |
4053 | printf ("InteroperabilityIndex: " ); |
4054 | |
4055 | DumpString (fInteroperabilityIndex); |
4056 | |
4057 | printf ("\n" ); |
4058 | |
4059 | } |
4060 | |
4061 | #endif |
4062 | |
4063 | break; |
4064 | |
4065 | } |
4066 | |
4067 | case tcInteroperabilityVersion: |
4068 | { |
4069 | |
4070 | CheckTagType (parentCode, tagCode, tagType, ttUndefined); |
4071 | |
4072 | CheckTagCount (parentCode, tagCode, tagCount, 4); |
4073 | |
4074 | uint32 b0 = stream.Get_uint8 (); |
4075 | uint32 b1 = stream.Get_uint8 (); |
4076 | uint32 b2 = stream.Get_uint8 (); |
4077 | uint32 b3 = stream.Get_uint8 (); |
4078 | |
4079 | fInteroperabilityVersion = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; |
4080 | |
4081 | #if qDNGValidate |
4082 | |
4083 | if (gVerbose) |
4084 | { |
4085 | |
4086 | real64 x = (b0 - '0') * 10.00 + |
4087 | (b1 - '0') * 1.00 + |
4088 | (b2 - '0') * 0.10 + |
4089 | (b3 - '0') * 0.01; |
4090 | |
4091 | printf ("InteroperabilityVersion: %0.2f\n" , x); |
4092 | |
4093 | } |
4094 | |
4095 | #endif |
4096 | |
4097 | break; |
4098 | |
4099 | } |
4100 | |
4101 | case tcRelatedImageFileFormat: |
4102 | { |
4103 | |
4104 | CheckTagType (parentCode, tagCode, tagType, ttAscii); |
4105 | |
4106 | ParseStringTag (stream, |
4107 | parentCode, |
4108 | tagCode, |
4109 | tagCount, |
4110 | fRelatedImageFileFormat); |
4111 | |
4112 | #if qDNGValidate |
4113 | |
4114 | if (gVerbose) |
4115 | { |
4116 | |
4117 | printf ("RelatedImageFileFormat: " ); |
4118 | |
4119 | DumpString (fRelatedImageFileFormat); |
4120 | |
4121 | printf ("\n" ); |
4122 | |
4123 | } |
4124 | |
4125 | #endif |
4126 | |
4127 | break; |
4128 | |
4129 | } |
4130 | |
4131 | case tcRelatedImageWidth: |
4132 | { |
4133 | |
4134 | CheckTagType (parentCode, tagCode, tagType, ttShort, ttLong); |
4135 | |
4136 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
4137 | |
4138 | fRelatedImageWidth = stream.TagValue_uint32 (tagType); |
4139 | |
4140 | #if qDNGValidate |
4141 | |
4142 | if (gVerbose) |
4143 | { |
4144 | printf ("RelatedImageWidth: %u\n" , (unsigned) fRelatedImageWidth); |
4145 | } |
4146 | |
4147 | #endif |
4148 | |
4149 | break; |
4150 | |
4151 | } |
4152 | |
4153 | case tcRelatedImageLength: |
4154 | { |
4155 | |
4156 | CheckTagType (parentCode, tagCode, tagType, ttShort, ttLong); |
4157 | |
4158 | CheckTagCount (parentCode, tagCode, tagCount, 1); |
4159 | |
4160 | fRelatedImageLength = stream.TagValue_uint32 (tagType); |
4161 | |
4162 | #if qDNGValidate |
4163 | |
4164 | if (gVerbose) |
4165 | { |
4166 | printf ("RelatedImageLength: %u\n" , (unsigned) fRelatedImageLength); |
4167 | } |
4168 | |
4169 | #endif |
4170 | |
4171 | break; |
4172 | |
4173 | } |
4174 | |
4175 | default: |
4176 | { |
4177 | |
4178 | return false; |
4179 | |
4180 | } |
4181 | |
4182 | } |
4183 | |
4184 | return true; |
4185 | |
4186 | } |
4187 | |
4188 | /*****************************************************************************/ |
4189 | |
4190 | void dng_exif::PostParse (dng_host & /* host */, |
4191 | dng_shared & /* shared */) |
4192 | { |
4193 | |
4194 | #if qDNGValidate |
4195 | |
4196 | const real64 kAPEX_Slop = 0.25; |
4197 | |
4198 | // Sanity check on MaxApertureValue. |
4199 | |
4200 | if (fMaxApertureValue.d) |
4201 | { |
4202 | |
4203 | real64 mav = fMaxApertureValue.As_real64 (); |
4204 | |
4205 | // Compare against ApertureValue or FNumber. |
4206 | |
4207 | real64 av = mav; |
4208 | |
4209 | if (fApertureValue.d) |
4210 | { |
4211 | |
4212 | av = fApertureValue.As_real64 (); |
4213 | |
4214 | } |
4215 | |
4216 | else if (fFNumber.d) |
4217 | { |
4218 | |
4219 | real64 fs = fFNumber.As_real64 (); |
4220 | |
4221 | if (fs >= 1.0) |
4222 | { |
4223 | |
4224 | av = FNumberToApertureValue (fs); |
4225 | |
4226 | } |
4227 | |
4228 | } |
4229 | |
4230 | if (mav > av + kAPEX_Slop) |
4231 | { |
4232 | |
4233 | ReportWarning ("MaxApertureValue conflicts with ApertureValue and/or FNumber" ); |
4234 | |
4235 | } |
4236 | |
4237 | // Compare against LensInfo |
4238 | |
4239 | if (fLensInfo [2].d && fLensInfo [3].d) |
4240 | { |
4241 | |
4242 | real64 fs1 = fLensInfo [2].As_real64 (); |
4243 | real64 fs2 = fLensInfo [3].As_real64 (); |
4244 | |
4245 | if (fs1 >= 1.0 && fs2 >= 1.0 && fs2 >= fs1) |
4246 | { |
4247 | |
4248 | real64 av1 = FNumberToApertureValue (fs1); |
4249 | real64 av2 = FNumberToApertureValue (fs2); |
4250 | |
4251 | // Wide angle adapters might create an effective |
4252 | // wide FS, and tele-extenders always result |
4253 | // in a higher FS. |
4254 | |
4255 | if (mav < av1 - kAPEX_Slop - 1.0 || |
4256 | mav > av2 + kAPEX_Slop + 2.0) |
4257 | { |
4258 | |
4259 | ReportWarning ("Possible MaxApertureValue conflict with LensInfo" ); |
4260 | |
4261 | } |
4262 | |
4263 | } |
4264 | |
4265 | } |
4266 | |
4267 | } |
4268 | |
4269 | // Sanity check on FocalLength. |
4270 | |
4271 | if (fFocalLength.d) |
4272 | { |
4273 | |
4274 | real64 fl = fFocalLength.As_real64 (); |
4275 | |
4276 | if (fl < 1.0) |
4277 | { |
4278 | |
4279 | ReportWarning ("FocalLength is less than 1.0 mm (legal but unlikely)" ); |
4280 | |
4281 | } |
4282 | |
4283 | else if (fLensInfo [0].d && fLensInfo [1].d) |
4284 | { |
4285 | |
4286 | real64 minFL = fLensInfo [0].As_real64 (); |
4287 | real64 maxFL = fLensInfo [1].As_real64 (); |
4288 | |
4289 | // Allow for wide-angle converters and tele-extenders. |
4290 | |
4291 | if (fl < minFL * 0.6 || |
4292 | fl > maxFL * 2.1) |
4293 | { |
4294 | |
4295 | ReportWarning ("Possible FocalLength conflict with LensInfo" ); |
4296 | |
4297 | } |
4298 | |
4299 | } |
4300 | |
4301 | } |
4302 | |
4303 | #endif |
4304 | |
4305 | // Mirror DateTimeOriginal to DateTime. |
4306 | |
4307 | if (fDateTime.NotValid () && fDateTimeOriginal.IsValid ()) |
4308 | { |
4309 | |
4310 | fDateTime = fDateTimeOriginal; |
4311 | |
4312 | } |
4313 | |
4314 | // Mirror EXIF 2.3 sensitivity tags to ISOSpeedRatings. |
4315 | |
4316 | if (fISOSpeedRatings [0] == 0 || fISOSpeedRatings [0] == 65535) |
4317 | { |
4318 | |
4319 | // Prefer Recommended Exposure Index, then Standard Output Sensitivity, then |
4320 | // ISO Speed, then Exposure Index. |
4321 | |
4322 | if (fRecommendedExposureIndex != 0 && |
4323 | (fSensitivityType == stRecommendedExposureIndex || |
4324 | fSensitivityType == stSOSandREI || |
4325 | fSensitivityType == stREIandISOSpeed || |
4326 | fSensitivityType == stSOSandREIandISOSpeed)) |
4327 | { |
4328 | |
4329 | fISOSpeedRatings [0] = fRecommendedExposureIndex; |
4330 | |
4331 | } |
4332 | |
4333 | else if (fStandardOutputSensitivity != 0 && |
4334 | (fSensitivityType == stStandardOutputSensitivity || |
4335 | fSensitivityType == stSOSandREI || |
4336 | fSensitivityType == stSOSandISOSpeed || |
4337 | fSensitivityType == stSOSandREIandISOSpeed)) |
4338 | { |
4339 | |
4340 | fISOSpeedRatings [0] = fStandardOutputSensitivity; |
4341 | |
4342 | } |
4343 | |
4344 | else if (fISOSpeed != 0 && |
4345 | (fSensitivityType == stISOSpeed || |
4346 | fSensitivityType == stSOSandISOSpeed || |
4347 | fSensitivityType == stREIandISOSpeed || |
4348 | fSensitivityType == stSOSandREIandISOSpeed)) |
4349 | { |
4350 | |
4351 | fISOSpeedRatings [0] = fISOSpeed; |
4352 | |
4353 | } |
4354 | |
4355 | } |
4356 | |
4357 | // Mirror ExposureIndex to ISOSpeedRatings. |
4358 | |
4359 | if (fExposureIndex.IsValid () && fISOSpeedRatings [0] == 0) |
4360 | { |
4361 | |
4362 | fISOSpeedRatings [0] = Round_uint32 (fExposureIndex.As_real64 ()); |
4363 | |
4364 | } |
4365 | |
4366 | // Kodak sets the GPSAltitudeRef without setting the GPSAltitude. |
4367 | |
4368 | if (fGPSAltitude.NotValid ()) |
4369 | { |
4370 | |
4371 | fGPSAltitudeRef = 0xFFFFFFFF; |
4372 | |
4373 | } |
4374 | |
4375 | // If there is no valid GPS data, clear the GPS version number. |
4376 | |
4377 | if (fGPSLatitude [0].NotValid () && |
4378 | fGPSLongitude [0].NotValid () && |
4379 | fGPSAltitude .NotValid () && |
4380 | fGPSTimeStamp [0].NotValid () && |
4381 | fGPSDateStamp .IsEmpty ()) |
4382 | { |
4383 | |
4384 | fGPSVersionID = 0; |
4385 | |
4386 | } |
4387 | |
4388 | } |
4389 | |
4390 | /*****************************************************************************/ |
4391 | |