1 /* |
|
2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Image metadata resolver class in Memory manager component |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include <e32std.h> |
|
20 #include <ExifModify.h> |
|
21 #include <ExifTag.h> |
|
22 #include <exifutility.h> |
|
23 #include <ExifRead.h> |
|
24 #include "msdebug.h" |
|
25 #include "cmmmimagemetadataresolver.h" |
|
26 |
|
27 const TUint16 KIdFNumber = 0x829D; |
|
28 const TUint16 KIdFocalLength = 0x920A; |
|
29 const TUint16 KIdFocalLength35mmFilm = 0xA405; |
|
30 const TUint16 KIdFocalPlaneResolutionUnit = 0xA210; |
|
31 const TUint16 KIdFocalPlaneXResolution = 0xA20E; |
|
32 const TUint16 KIdFocalPlaneYResolution = 0xA20F; |
|
33 const TUint32 KDefaultPixelsPerResolutionUnitNumerator = 99; |
|
34 const TUint32 KDefaultPixelsPerResolutionUnitDenominator = 66; |
|
35 const TUint16 KDefaultYCbCrPositioningCentered = 1; |
|
36 const TUint16 KDefaultColorSpace_sRGB = 1; |
|
37 |
|
38 // --------------------------------------------------------------------------- |
|
39 // CCmMmImageMetadataResolver::NewL |
|
40 // --------------------------------------------------------------------------- |
|
41 // |
|
42 CCmMmImageMetadataResolver* CCmMmImageMetadataResolver::NewL( |
|
43 RFs& aFileSession ) |
|
44 { |
|
45 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::NewL() start")); |
|
46 CCmMmImageMetadataResolver* self = |
|
47 CCmMmImageMetadataResolver::NewLC( aFileSession ); |
|
48 CleanupStack::Pop( self ); |
|
49 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::NewL() end")); |
|
50 return self; |
|
51 } |
|
52 |
|
53 // --------------------------------------------------------------------------- |
|
54 // CCmMmImageMetadataResolver::NewLC |
|
55 // --------------------------------------------------------------------------- |
|
56 // |
|
57 CCmMmImageMetadataResolver* CCmMmImageMetadataResolver::NewLC( |
|
58 RFs& aFileSession ) |
|
59 { |
|
60 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::NewLC() start")); |
|
61 CCmMmImageMetadataResolver* self = |
|
62 new ( ELeave ) CCmMmImageMetadataResolver( aFileSession ); |
|
63 CleanupStack::PushL( self ); |
|
64 self->ConstructL(); |
|
65 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::NewLC() end")); |
|
66 return self; |
|
67 } |
|
68 |
|
69 // --------------------------------------------------------------------------- |
|
70 // C++ destructor |
|
71 // --------------------------------------------------------------------------- |
|
72 // |
|
73 CCmMmImageMetadataResolver::~CCmMmImageMetadataResolver() |
|
74 { |
|
75 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::~CCmMmImageMetadataResolver() start")); |
|
76 delete iExifOrig; |
|
77 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::~CCmMmImageMetadataResolver() end")); |
|
78 } |
|
79 |
|
80 // --------------------------------------------------------------------------- |
|
81 // CCmMmImageMetadataResolver::CaptureOrginalMetadataL |
|
82 // --------------------------------------------------------------------------- |
|
83 // |
|
84 void CCmMmImageMetadataResolver::CaptureOrginalMetadataL( |
|
85 const TDesC& aOrigFileName ) |
|
86 { |
|
87 RFile orig; |
|
88 User::LeaveIfError( orig.Open( iFileSession, aOrigFileName, EFileRead ) ); |
|
89 CleanupClosePushL( orig ); |
|
90 TInt size = 0; |
|
91 orig.Size(size); |
|
92 delete iExifOrig; |
|
93 iExifOrig = NULL; |
|
94 iExifOrig = HBufC8::NewL( size ); |
|
95 TPtr8 bufferDes( iExifOrig->Des() ); |
|
96 User::LeaveIfError( orig.Read( bufferDes ) ); |
|
97 CleanupStack::PopAndDestroy(); |
|
98 } |
|
99 |
|
100 // --------------------------------------------------------------------------- |
|
101 // CCmMmImageMetadataResolver::ResolveMetadataL |
|
102 // --------------------------------------------------------------------------- |
|
103 // |
|
104 void CCmMmImageMetadataResolver::ResolveMetadataL( |
|
105 const TDesC& aShrinkedFileName ) |
|
106 { |
|
107 RFile shrinked; |
|
108 User::LeaveIfError( |
|
109 shrinked.Open( iFileSession, aShrinkedFileName, EFileRead|EFileWrite ) ); |
|
110 |
|
111 CleanupClosePushL( shrinked ); |
|
112 |
|
113 // 1. Read Exif image from the file to a buffer... |
|
114 TInt sizeS = 0; |
|
115 shrinked.Size(sizeS); |
|
116 HBufC8* exifShrinked = HBufC8::NewL( sizeS ); |
|
117 CleanupStack::PushL( exifShrinked ); |
|
118 TPtr8 bufferDesS( exifShrinked->Des() ); |
|
119 User::LeaveIfError( shrinked.Read( bufferDesS ) ); |
|
120 |
|
121 CExifModify* modify = NULL; |
|
122 CExifRead* read = NULL; |
|
123 TRAPD( err1, read = CExifRead::NewL( iExifOrig->Des() ) ); |
|
124 User::LeaveIfError( err1 ); |
|
125 // 2. Instantiate Exif modifier in EModify mode... |
|
126 TRAPD( err, modify = CExifModify::NewL( exifShrinked->Des() ) ); |
|
127 if(err == KErrCorrupt) |
|
128 { |
|
129 modify = CExifModify::NewL( exifShrinked->Des(), CExifModify::ECreate ); |
|
130 } |
|
131 CleanupStack::PushL(modify); |
|
132 // If exif info fails, there is nothing we can do |
|
133 TRAP_IGNORE( FillExifL( *read, *modify ) ); |
|
134 |
|
135 // 4. Get the modified Exif image... |
|
136 // If zero length descriptor is given instead of exif->Des(), then only the |
|
137 // Exif meta data is returned |
|
138 TInt pos = 0; |
|
139 User::LeaveIfError( shrinked.Seek( ESeekStart, pos ) ); |
|
140 HBufC8* modifiedExif = NULL; |
|
141 TRAPD( err2, modifiedExif = modify->WriteDataL( exifShrinked->Des() ) ); |
|
142 /* Process the modified Exif data */ |
|
143 if( modifiedExif && !err2 ) |
|
144 { |
|
145 shrinked.Write( *modifiedExif, modifiedExif->Des().Length() ); |
|
146 } |
|
147 |
|
148 delete modifiedExif; |
|
149 modifiedExif = NULL; |
|
150 |
|
151 // 5. Delete the modifier instance... |
|
152 CleanupStack::PopAndDestroy( modify ); |
|
153 CleanupStack::PopAndDestroy( exifShrinked ); |
|
154 CleanupStack::PopAndDestroy(); |
|
155 delete iExifOrig; |
|
156 iExifOrig = NULL; |
|
157 |
|
158 } |
|
159 |
|
160 // --------------------------------------------------------------------------- |
|
161 // C++ constructor |
|
162 // --------------------------------------------------------------------------- |
|
163 // |
|
164 CCmMmImageMetadataResolver::CCmMmImageMetadataResolver( RFs& aFileSession ) |
|
165 : iFileSession( aFileSession ) |
|
166 { |
|
167 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::CCmMmImageMetadataResolver() start")); |
|
168 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::CCmMmImageMetadataResolver() end")); |
|
169 } |
|
170 |
|
171 // --------------------------------------------------------------------------- |
|
172 // CCmMmImageMetadataResolver::ConstructL |
|
173 // --------------------------------------------------------------------------- |
|
174 // |
|
175 void CCmMmImageMetadataResolver::ConstructL() |
|
176 { |
|
177 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::ConstructL() start")); |
|
178 LOG(_L("[MEMORY MNGR]\t CCmMmImageMetadataResolver::ConstructL() end")); |
|
179 } |
|
180 |
|
181 // --------------------------------------------------------------------------- |
|
182 // CCmMmImageMetadataResolver::FillExifL |
|
183 // --------------------------------------------------------------------------- |
|
184 // |
|
185 void CCmMmImageMetadataResolver::FillExifL( CExifRead& aRead, CExifModify& aModify ) |
|
186 { |
|
187 TRAP_IGNORE( aModify.SetImageDescriptionL( *aRead.GetImageDescriptionL() ) ); |
|
188 TRAP_IGNORE( aModify.SetMakeL( *aRead.GetMakeL() ) ); |
|
189 TRAP_IGNORE( aModify.SetModelL( *aRead.GetModelL() ) ); |
|
190 |
|
191 TRAP_IGNORE( aModify.SetThumbnailL( *aRead.GetThumbnailL() ) ); |
|
192 TRAP_IGNORE( aModify.SetTransferFunctionL( *aRead.GetTransferFunctionL() ) ); |
|
193 TRAP_IGNORE( aModify.SetDateTimeL( *aRead.GetDateTimeL() ) ); |
|
194 |
|
195 TRAP_IGNORE( aModify.SetSoftwareL( *aRead.GetSoftwareL() ) ); |
|
196 TRAP_IGNORE( aModify.SetCopyrightL( *aRead.GetCopyrightL() ) ); |
|
197 |
|
198 aModify.SetXResolutionL( |
|
199 KDefaultPixelsPerResolutionUnitNumerator, |
|
200 KDefaultPixelsPerResolutionUnitDenominator ); |
|
201 aModify.SetYResolutionL( |
|
202 KDefaultPixelsPerResolutionUnitNumerator, |
|
203 KDefaultPixelsPerResolutionUnitDenominator ); |
|
204 |
|
205 aModify.SetYCbCrPositioningL( KDefaultYCbCrPositioningCentered ); |
|
206 |
|
207 aModify.SetColorSpaceL( KDefaultColorSpace_sRGB ); |
|
208 |
|
209 TUint32 uint32Value = 0; |
|
210 TUint16 uint16Value = 0; |
|
211 HBufC8* textValue = NULL; |
|
212 const CExifTag* exifTagInfo = NULL; |
|
213 TInt exifError( KErrNone ); |
|
214 exifError = aRead.GetPixelXDimension( uint32Value ); |
|
215 if( exifError == KErrNone ) |
|
216 { |
|
217 TRAP_IGNORE( aModify.SetPixelXDimensionL( uint32Value ) ); |
|
218 } |
|
219 exifError = aRead.GetPixelYDimension( uint32Value ); |
|
220 if( exifError == KErrNone ) |
|
221 { |
|
222 TRAP_IGNORE( aModify.SetPixelYDimensionL( uint32Value ) ); |
|
223 } |
|
224 |
|
225 exifError = aRead.GetWhiteBalance( uint16Value ); |
|
226 if( exifError == KErrNone ) |
|
227 { |
|
228 aModify.SetWhiteBalanceL( uint16Value ); |
|
229 } |
|
230 exifError = aRead.GetFlash( uint16Value ); |
|
231 if( exifError == KErrNone ) |
|
232 { |
|
233 aModify.SetFlashL( uint16Value ); |
|
234 } |
|
235 |
|
236 exifError = aRead.GetExposureProgram( uint16Value ); |
|
237 if( exifError == KErrNone ) |
|
238 { |
|
239 aModify.SetExposureProgramL( uint16Value ); |
|
240 } |
|
241 |
|
242 |
|
243 TRAP( exifError, textValue = aRead.GetUserCommentL() ); |
|
244 |
|
245 if ( exifError == KErrNone ) |
|
246 { |
|
247 aModify.SetUserCommentL( *textValue ); |
|
248 } |
|
249 |
|
250 TRAP( exifError, textValue = aRead.GetDateTimeOriginalL() ); |
|
251 if ( exifError == KErrNone ) |
|
252 { |
|
253 aModify.SetDateTimeOriginalL( *textValue ); |
|
254 } |
|
255 |
|
256 TRAP( exifError, textValue = aRead.GetDateTimeDigitizedL() ); |
|
257 if ( exifError == KErrNone ) |
|
258 { |
|
259 aModify.SetDateTimeDigitizedL( *textValue ); |
|
260 } |
|
261 |
|
262 exifError = aRead.GetOrientation( uint16Value ); |
|
263 if ( exifError == KErrNone ) |
|
264 { |
|
265 aModify.SetOrientationL( uint16Value ); |
|
266 } |
|
267 |
|
268 exifError = aRead.GetYCbCrPositioning( uint16Value ); |
|
269 if ( exifError == KErrNone ) |
|
270 { |
|
271 aModify.SetYCbCrPositioningL( uint16Value ); |
|
272 } |
|
273 |
|
274 exifError = aRead.GetResolutionUnit( uint16Value ); |
|
275 if ( exifError == KErrNone ) |
|
276 { |
|
277 aModify.SetResolutionUnitL( uint16Value ); |
|
278 } |
|
279 |
|
280 TRAP( exifError, textValue = aRead.GetIsoSpeedRatingsL() ); |
|
281 if ( exifError == KErrNone ) |
|
282 { |
|
283 aModify.SetIsoSpeedRatingsL( *textValue ); |
|
284 } |
|
285 |
|
286 TRAP( exifError, textValue = aRead.GetRelatedSoundFileL() ); |
|
287 if ( exifError == KErrNone ) |
|
288 { |
|
289 aModify.SetRelatedSoundFileL( *textValue ); |
|
290 } |
|
291 |
|
292 TUint32 exifDenominator = 0; |
|
293 exifError = aRead.GetExposureTime( uint32Value, exifDenominator ); |
|
294 if ( exifError == KErrNone ) |
|
295 { |
|
296 aModify.SetExposureTimeL( uint32Value, exifDenominator ); |
|
297 } |
|
298 |
|
299 exifDenominator = 0; |
|
300 exifError = aRead.GetApertureValue( uint32Value, exifDenominator ); |
|
301 if ( exifError == KErrNone ) |
|
302 { |
|
303 aModify.SetApertureValueL( uint32Value, exifDenominator ); |
|
304 } |
|
305 |
|
306 exifError = aRead.GetColorSpace( uint16Value ); |
|
307 if ( exifError == KErrNone ) |
|
308 { |
|
309 aModify.SetColorSpaceL( uint16Value ); |
|
310 } |
|
311 |
|
312 TInt32 exifExposureB = 0; |
|
313 TInt32 exifDenominatorB = 0; |
|
314 exifError = aRead.GetExposureBiasValue( exifExposureB, exifDenominatorB ); |
|
315 if ( exifError == KErrNone ) |
|
316 { |
|
317 aModify.SetExposureBiasValueL( exifExposureB, exifDenominatorB ); |
|
318 } |
|
319 |
|
320 exifError = aRead.GetMeteringMode( uint16Value ); |
|
321 if ( exifError == KErrNone ) |
|
322 { |
|
323 aModify.SetMeteringModeL( uint16Value ); |
|
324 } |
|
325 |
|
326 exifDenominator = 0; |
|
327 exifError = aRead.GetThumbnailXResolution( uint32Value, exifDenominator ); |
|
328 if ( exifError == KErrNone ) |
|
329 { |
|
330 aModify.SetThumbnailXResolutionL( uint32Value, exifDenominator ); |
|
331 } |
|
332 |
|
333 exifDenominator = 0; |
|
334 exifError = aRead.GetThumbnailYResolution( uint32Value, exifDenominator ); |
|
335 if ( exifError == KErrNone ) |
|
336 { |
|
337 aModify.SetThumbnailYResolutionL( uint32Value, exifDenominator ); |
|
338 } |
|
339 |
|
340 exifError = aRead.GetThumbnailResolutionUnit( uint16Value ); |
|
341 if ( exifError == KErrNone ) |
|
342 { |
|
343 aModify.SetThumbnailResolutionUnitL( uint16Value ); |
|
344 } |
|
345 |
|
346 |
|
347 TInt32 exifShutterSpeedValue = 0; |
|
348 TInt32 exifDenominatorS = 0; |
|
349 exifError = aRead.GetShutterSpeedValue( exifShutterSpeedValue, exifDenominatorS ); |
|
350 if ( exifError == KErrNone ) |
|
351 { |
|
352 aModify.SetShutterSpeedValueL( exifShutterSpeedValue, exifDenominatorS ); |
|
353 } |
|
354 |
|
355 TUint8 exifComponent4th( 0 ); |
|
356 TUint8 exifComponent3rd( 0 ); |
|
357 TUint8 exifComponent2nd( 0 ); |
|
358 TUint8 exifComponent1st( 0 ); |
|
359 |
|
360 exifError = aRead.GetComponentsConfiguration( |
|
361 exifComponent1st, exifComponent2nd, exifComponent3rd, exifComponent4th ); |
|
362 if ( exifError == KErrNone ) |
|
363 { |
|
364 aModify.SetComponentsConfigurationL( |
|
365 exifComponent1st, exifComponent2nd, |
|
366 exifComponent3rd, exifComponent4th ); |
|
367 } |
|
368 |
|
369 TRAP( exifError, exifTagInfo = aRead.GetTagL( EIfdExif, KIdFNumber ) ); |
|
370 if ( exifError == KErrNone ) |
|
371 { |
|
372 TPtrC8 exifFNumberBuf( exifTagInfo->Data() ); |
|
373 TExifTagInfo tagInfo( KIdFNumber, CExifTag::ETagRational, 1 ); |
|
374 aModify.SetTagL( EIfdExif, tagInfo, exifFNumberBuf ); |
|
375 } |
|
376 |
|
377 |
|
378 TRAP( exifError, exifTagInfo = aRead.GetTagL( EIfdExif, KIdFocalLength ) ); |
|
379 if ( exifError == KErrNone ) |
|
380 { |
|
381 TPtrC8 exifFocalLengthBuf( exifTagInfo->Data() ); |
|
382 TExifTagInfo tagInfo( KIdFocalLength, CExifTag::ETagRational, 1 ); |
|
383 TRAP_IGNORE( aModify.SetTagL( EIfdExif, tagInfo, exifFocalLengthBuf ) ); |
|
384 } |
|
385 |
|
386 TRAP( exifError, exifTagInfo = aRead.GetTagL( EIfdExif, KIdFocalLength35mmFilm ) ); |
|
387 if ( exifError == KErrNone ) |
|
388 { |
|
389 TPtrC8 exifFocal35mmBuf( exifTagInfo->Data() ); |
|
390 TExifTagInfo tagInfo( KIdFocalLength35mmFilm, CExifTag::ETagRational, 1 ); |
|
391 TRAP_IGNORE( aModify.SetTagL( EIfdExif, tagInfo, exifFocal35mmBuf ) ); |
|
392 } |
|
393 |
|
394 TRAP( exifError, exifTagInfo = aRead.GetTagL( EIfdExif, KIdFocalPlaneResolutionUnit ) ); |
|
395 if ( exifError == KErrNone ) |
|
396 { |
|
397 TPtrC8 exifFocalPlaneResolutionUnitBuf( exifTagInfo->Data() ); |
|
398 TExifTagInfo tagInfo( KIdFocalPlaneResolutionUnit, CExifTag::ETagShort, 1 ); |
|
399 TRAP_IGNORE( aModify.SetTagL( EIfdExif, tagInfo, exifFocalPlaneResolutionUnitBuf ) ); |
|
400 } |
|
401 |
|
402 TRAP( exifError, exifTagInfo = aRead.GetTagL( EIfdExif, KIdFocalPlaneXResolution ) ); |
|
403 if ( exifError == KErrNone ) |
|
404 { |
|
405 TPtrC8 exifFocalPlaneXResBuf( exifTagInfo->Data() ); |
|
406 TExifTagInfo tagInfo( KIdFocalPlaneXResolution, CExifTag::ETagRational, 1 ); |
|
407 TRAP_IGNORE( aModify.SetTagL( EIfdExif, tagInfo, exifFocalPlaneXResBuf ) ); |
|
408 } |
|
409 |
|
410 TRAP( exifError, exifTagInfo = aRead.GetTagL( EIfdExif, KIdFocalPlaneYResolution ) ); |
|
411 if ( exifError == KErrNone ) |
|
412 { |
|
413 TPtrC8 exifFocalPlaneYResBuf( exifTagInfo->Data() ); |
|
414 TExifTagInfo tagInfo( KIdFocalPlaneYResolution, CExifTag::ETagRational, 1 ); |
|
415 TRAP_IGNORE( aModify.SetTagL( EIfdExif, tagInfo, exifFocalPlaneYResBuf ) ); |
|
416 } |
|
417 |
|
418 exifError = aRead.GetLightSource( uint16Value ); |
|
419 if ( exifError == KErrNone ) |
|
420 { |
|
421 TRAP_IGNORE( aModify.SetLightSourceL( uint16Value ) ); |
|
422 } |
|
423 |
|
424 } |
|
425 |
|
426 // End of file |
|
427 |
|