|
1 /* |
|
2 * Copyright (c) 2007 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: Implemantation of CCamSnapshot class. |
|
15 * Temporary own implementation of MCameraSnapshot. |
|
16 * To be replaced by ECam CCamera::CCameraSnapshot. |
|
17 * |
|
18 */ |
|
19 |
|
20 |
|
21 #include "camcameracontrollerflags.hrh" |
|
22 |
|
23 #include <e32base.h> |
|
24 #include <fbs.h> |
|
25 |
|
26 #include <ecam/camerasnapshot.h> |
|
27 |
|
28 #include "camlogging.h" |
|
29 #include "mcamcameraobserver.h" |
|
30 #include "camcameraevents.h" |
|
31 #include "cambuffer.h" |
|
32 #include "cambuffershare.h" |
|
33 #include "camimagedecoder.h" |
|
34 #include "cambitmapscaler.h" |
|
35 #include "camsnapshot.h" |
|
36 |
|
37 |
|
38 |
|
39 |
|
40 |
|
41 |
|
42 // =========================================================================== |
|
43 // Local constants |
|
44 static const TPoint KDefaultPosition = TPoint(0,0); |
|
45 static const TRgb KDefaultBackgroudColor = KRgbWhite; |
|
46 static const TUint32 KSupportedSnapshotFormats = |
|
47 ( CCamera::EFormatFbsBitmapColor4K |
|
48 | CCamera::EFormatFbsBitmapColor64K |
|
49 | CCamera::EFormatFbsBitmapColor16M |
|
50 | CCamera::EFormatFbsBitmapColor16MU |
|
51 ); |
|
52 static const TInt KCallbackPriority = CActive::EPriorityIdle; |
|
53 |
|
54 static const TUint KEventInterest = ( ECamCameraEventClassImage |
|
55 | ECamCameraEventClassVideo |
|
56 | ECamCameraEventClassVfData |
|
57 ); |
|
58 |
|
59 // =========================================================================== |
|
60 // Local methods |
|
61 |
|
62 #ifndef CAMERAAPP_CAPI_V2 |
|
63 |
|
64 // Not needed when new CAPI support ready. |
|
65 TECAMEvent::TECAMEvent( TUid aEventType, |
|
66 TInt aErrorCode ) |
|
67 : iErrorCode( aErrorCode ) |
|
68 { |
|
69 iEventType.iUid = aEventType.iUid; |
|
70 #pragma message("camsnapshot.cpp, temporarily define TECAMEvent constructor") |
|
71 } |
|
72 #endif |
|
73 |
|
74 |
|
75 #include "campointerutility.inl" |
|
76 using namespace NCamCameraController; |
|
77 |
|
78 |
|
79 // =========================================================================== |
|
80 // public constructors and destructor |
|
81 |
|
82 // --------------------------------------------------------------------------- |
|
83 // static 2-phase constructor |
|
84 // --------------------------------------------------------------------------- |
|
85 // |
|
86 CCamSnapshot* |
|
87 CCamSnapshot::NewL( CCamera& aCamera, |
|
88 MCameraObserver2& aObserver, |
|
89 MCamCameraObservable& aObservable ) |
|
90 { |
|
91 CCamSnapshot* self = |
|
92 new (ELeave) CCamSnapshot( aCamera, aObserver, aObservable ); |
|
93 |
|
94 CleanupStack::PushL( self ); |
|
95 self->ConstructL(); |
|
96 CleanupStack::Pop( self ); |
|
97 |
|
98 return self; |
|
99 } |
|
100 |
|
101 // --------------------------------------------------------------------------- |
|
102 // Destructor |
|
103 // --------------------------------------------------------------------------- |
|
104 // |
|
105 CCamSnapshot::~CCamSnapshot() |
|
106 { |
|
107 PRINT( _L("Camera => ~CCamSnapshot") ); |
|
108 iObservable.DetachObserver( this ); |
|
109 |
|
110 delete iSnapshotBitmap; |
|
111 |
|
112 // No need to Cancel(), destructors do it already. |
|
113 delete iIdle; |
|
114 delete iDecoder; |
|
115 delete iScaler; |
|
116 |
|
117 SetImageData( NULL ); |
|
118 |
|
119 PRINT( _L("Camera <= ~CCamSnapshot") ); |
|
120 } |
|
121 |
|
122 // =========================================================================== |
|
123 // from MCameraSnapshot |
|
124 |
|
125 // --------------------------------------------------------------------------- |
|
126 // SupportedFormats |
|
127 // --------------------------------------------------------------------------- |
|
128 // |
|
129 TUint32 |
|
130 CCamSnapshot::SupportedFormats() |
|
131 { |
|
132 return KSupportedSnapshotFormats; |
|
133 } |
|
134 |
|
135 |
|
136 // --------------------------------------------------------------------------- |
|
137 // PrepareSnapshotL |
|
138 // --------------------------------------------------------------------------- |
|
139 // |
|
140 void |
|
141 CCamSnapshot::PrepareSnapshotL( CCamera::TFormat aFormat, |
|
142 const TPoint& aPosition, |
|
143 const TSize& aSize, |
|
144 const TRgb& aBgColor, |
|
145 TBool aMaintainAspectRatio ) |
|
146 { |
|
147 PRINT( _L("Camera => CCamSnapshot::PrepareSnapshotL") ); |
|
148 |
|
149 if( !(KSupportedSnapshotFormats & aFormat) ) |
|
150 { |
|
151 PRINT( _L("Camera <> Not supported format, LEAVE") ); |
|
152 User::Leave( KErrNotSupported ); |
|
153 } |
|
154 else |
|
155 { |
|
156 PRINT( _L("Camera <> do prepare..") ); |
|
157 iSnapshotOn = EFalse; |
|
158 iStatus = KErrNotReady; |
|
159 iDecoder->Cancel(); |
|
160 iScaler->Cancel(); |
|
161 iSnapshotBitmap->Reset(); |
|
162 |
|
163 PRINT( _L("Camera <> Init bitmap scaler..") ); |
|
164 iScaler->InitScalingL( aSize, |
|
165 Format2DisplayMode( iFormat ), |
|
166 aMaintainAspectRatio ); |
|
167 |
|
168 PRINT1( _L("Camera <> Attach as controller observer, interest: %032b"), KEventInterest ); |
|
169 iObservable.AttachObserverL( this, KEventInterest ); |
|
170 |
|
171 PRINT( _L("Camera <> Store parameters..") ); |
|
172 iFormat = aFormat; |
|
173 iPosition = aPosition; |
|
174 iSize = aSize; |
|
175 iBackgroundColor = aBgColor; |
|
176 iMaintainAspectRatio = aMaintainAspectRatio; |
|
177 } |
|
178 |
|
179 PRINT( _L("Camera <= CCamSnapshot::PrepareSnapshotL") ); |
|
180 } |
|
181 |
|
182 |
|
183 // --------------------------------------------------------------------------- |
|
184 // PrepareSnapshotL |
|
185 // --------------------------------------------------------------------------- |
|
186 // |
|
187 void |
|
188 CCamSnapshot::PrepareSnapshotL( CCamera::TFormat aFormat, |
|
189 const TSize& aSize, |
|
190 TBool aMaintainAspectRatio ) |
|
191 { |
|
192 PrepareSnapshotL( aFormat, |
|
193 KDefaultPosition, |
|
194 aSize, |
|
195 KDefaultBackgroudColor, |
|
196 aMaintainAspectRatio ); |
|
197 } |
|
198 |
|
199 |
|
200 // --------------------------------------------------------------------------- |
|
201 // SetBgColorL |
|
202 // --------------------------------------------------------------------------- |
|
203 // |
|
204 void |
|
205 CCamSnapshot::SetBgColorL( const TRgb& aBgColor ) |
|
206 { |
|
207 iBackgroundColor = aBgColor; |
|
208 } |
|
209 |
|
210 |
|
211 // --------------------------------------------------------------------------- |
|
212 // SetPositionL |
|
213 // --------------------------------------------------------------------------- |
|
214 // |
|
215 void |
|
216 CCamSnapshot::SetPositionL( const TPoint& aPosition ) |
|
217 { |
|
218 iPosition = aPosition; |
|
219 } |
|
220 |
|
221 |
|
222 // --------------------------------------------------------------------------- |
|
223 // IsSnapshotActive |
|
224 // --------------------------------------------------------------------------- |
|
225 // |
|
226 TBool |
|
227 CCamSnapshot::IsSnapshotActive() const |
|
228 { |
|
229 return iSnapshotOn; |
|
230 } |
|
231 |
|
232 // --------------------------------------------------------------------------- |
|
233 // StartSnapshot |
|
234 // --------------------------------------------------------------------------- |
|
235 // |
|
236 void |
|
237 CCamSnapshot::StartSnapshot() |
|
238 { |
|
239 iSnapshotOn = ETrue; |
|
240 } |
|
241 |
|
242 |
|
243 // --------------------------------------------------------------------------- |
|
244 // StopSnapshot |
|
245 // --------------------------------------------------------------------------- |
|
246 // |
|
247 void |
|
248 CCamSnapshot::StopSnapshot() |
|
249 { |
|
250 iSnapshotOn = EFalse; |
|
251 |
|
252 iUseNextVfFrame = EFalse; |
|
253 } |
|
254 |
|
255 |
|
256 // --------------------------------------------------------------------------- |
|
257 // SnapshotDataL |
|
258 // --------------------------------------------------------------------------- |
|
259 // |
|
260 MCameraBuffer& |
|
261 CCamSnapshot::SnapshotDataL( RArray<TInt>& aFrameIndexOrder ) |
|
262 { |
|
263 PRINT( _L("Camera => CCamSnapshot::SnapshotDataL") ); |
|
264 |
|
265 // Leave if not ready or other error. |
|
266 User::LeaveIfError( iStatus ); |
|
267 |
|
268 if( !iSnapshotOn || !iSnapshotBitmap ) |
|
269 { |
|
270 User::Leave( KErrNotReady ); |
|
271 } |
|
272 |
|
273 // Set the frame order |
|
274 aFrameIndexOrder.Reset(); |
|
275 User::LeaveIfError( aFrameIndexOrder.Append( 0 ) ); |
|
276 |
|
277 // Client *must* call Release() for the buffer |
|
278 CCamBuffer* buffer = CCamBuffer::NewL( *iSnapshotBitmap, NULL ); |
|
279 |
|
280 PRINT( _L("Camera <= CCamSnapshot::SnapshotDataL") ); |
|
281 return *buffer; |
|
282 } |
|
283 |
|
284 |
|
285 // =========================================================================== |
|
286 // From MCamCameraObserver |
|
287 |
|
288 // --------------------------------------------------------------------------- |
|
289 // |
|
290 // --------------------------------------------------------------------------- |
|
291 // |
|
292 void |
|
293 CCamSnapshot::HandleCameraEventL( TInt aStatus, |
|
294 TCamCameraEventId aEventId, |
|
295 TAny* aEventData /*= NULL*/ ) |
|
296 { |
|
297 if( iSnapshotOn ) |
|
298 { |
|
299 switch( aEventId ) |
|
300 { |
|
301 // --------------------------------------------------- |
|
302 // Viewfinder frame ready event |
|
303 // |
|
304 case ECamCameraEventVfFrameReady: |
|
305 { |
|
306 if( iUseNextVfFrame ) |
|
307 { |
|
308 iUseNextVfFrame = EFalse; |
|
309 |
|
310 // Take the viewfinder frame just as it would be |
|
311 // a still image, just in bitmap format. |
|
312 PRINT( _L("Camera <> CCamSnapshot: Storing VF frame as snapshot") ); |
|
313 |
|
314 |
|
315 // TEMP ==> |
|
316 CCamBufferShare* share = NULL; |
|
317 TRAPD( error, |
|
318 { |
|
319 if( KErrNone == aStatus ) |
|
320 { |
|
321 CFbsBitmap* bitmap = new (ELeave) CFbsBitmap; |
|
322 CleanupStack::PushL( bitmap ); |
|
323 User::LeaveIfError( bitmap->Duplicate( static_cast<CFbsBitmap*>( aEventData )->Handle() ) ); |
|
324 |
|
325 CCamBuffer* buffer = CCamBuffer::NewL( bitmap, NULL ); |
|
326 CleanupStack::Pop( bitmap ); |
|
327 |
|
328 CleanupStack::PushL( buffer ); |
|
329 share = new (ELeave) CCamBufferShare( buffer ); |
|
330 CleanupStack::Pop( buffer ); |
|
331 } |
|
332 }); |
|
333 if( KErrNone != error ) |
|
334 { |
|
335 aStatus = error; |
|
336 } |
|
337 if( share ) share->Reserve(); |
|
338 // <== TEMP |
|
339 |
|
340 |
|
341 StartSnapshotProcessing( share, aStatus ); |
|
342 |
|
343 // TEMP ==> |
|
344 if( share ) share->Release(); |
|
345 // <== TEMP |
|
346 } |
|
347 break; |
|
348 } |
|
349 // --------------------------------------------------- |
|
350 // Image captured event |
|
351 // |
|
352 // Need to decode the snapshot from the image data. |
|
353 case ECamCameraEventImageData: |
|
354 { |
|
355 if( !iVideoMode ) |
|
356 { |
|
357 PRINT( _L("Camera <> CCamSnapshot: Starting to decode snapshot") ); |
|
358 CCamBufferShare* share = static_cast<CCamBufferShare*>( aEventData ); |
|
359 StartSnapshotProcessing( share, aStatus ); |
|
360 } |
|
361 break; |
|
362 } |
|
363 // --------------------------------------------------- |
|
364 // Video init might come before snapshot is |
|
365 // initialized, so we do not rely on this event |
|
366 // case ECamCameraEventVideoInit: |
|
367 // { |
|
368 // PRINT( _L("Camera <> CCamSnapshot: Video mode entered") ); |
|
369 // break; |
|
370 // } |
|
371 // --------------------------------------------------- |
|
372 case ECamCameraEventVideoRelease: |
|
373 { |
|
374 PRINT( _L("Camera <> CCamSnapshot: Video mode left") ); |
|
375 iVideoMode = EFalse; |
|
376 break; |
|
377 } |
|
378 // --------------------------------------------------- |
|
379 // Video started event |
|
380 // |
|
381 // Use next vf frame as snapshot. |
|
382 case ECamCameraEventVideoStart: |
|
383 { |
|
384 PRINT( _L("Camera <> CCamSnapshot: Video started, will use next VF frame as snapshot") ); |
|
385 SetImageData( NULL ); |
|
386 if( KErrNone == aStatus ) |
|
387 { |
|
388 iVideoMode = ETrue; |
|
389 iUseNextVfFrame = ETrue; |
|
390 } |
|
391 break; |
|
392 } |
|
393 // --------------------------------------------------- |
|
394 // Video stopped. |
|
395 // |
|
396 // Provide the vf frame as snapshot. |
|
397 case ECamCameraEventVideoStop: |
|
398 { |
|
399 if( iVideoMode ) |
|
400 { |
|
401 PRINT( _L("Camera <> CCamSnapshot: Video stopped, provide the VF frame snapshot..") ); |
|
402 |
|
403 // Cancel any activity, if not ready for some reason. |
|
404 if( iIdle ) iIdle->Cancel(); |
|
405 if( iScaler ) iScaler->Cancel(); |
|
406 if( iDecoder ) iDecoder->Cancel(); |
|
407 |
|
408 // Snapshot is in iSnapshotBitmap |
|
409 SetImageData( NULL ); |
|
410 |
|
411 // Need to clear this flag as no events are notified |
|
412 // when this flag is on. |
|
413 iVideoMode = EFalse; |
|
414 |
|
415 PRINT( _L("Camera <> CCamSnapshot: Start snapshot callback") ); |
|
416 iIdle->Start( TCallBack( SnapshotReadyCallback, this ) ); |
|
417 } |
|
418 break; |
|
419 } |
|
420 // --------------------------------------------------- |
|
421 default: |
|
422 { |
|
423 // Other events ignored |
|
424 break; |
|
425 } |
|
426 // --------------------------------------------------- |
|
427 } |
|
428 } |
|
429 } |
|
430 |
|
431 |
|
432 |
|
433 |
|
434 // =========================================================================== |
|
435 // from MCamImageDecoderObserver |
|
436 |
|
437 // --------------------------------------------------------------------------- |
|
438 // ImageDecoded <<virtual>> |
|
439 // --------------------------------------------------------------------------- |
|
440 // |
|
441 void |
|
442 CCamSnapshot::ImageDecoded( TInt aStatus, const CFbsBitmap* aBitmap ) |
|
443 { |
|
444 PRINT1( _L("Camera => CCamSnapshot::ImageDecoded, status in: %d"), aStatus ); |
|
445 if( iSnapshotOn ) |
|
446 { |
|
447 iStatus = aStatus; |
|
448 |
|
449 iSnapshotBitmap->Reset(); |
|
450 |
|
451 if( iStatus == KErrNone ) |
|
452 { |
|
453 iStatus = iSnapshotBitmap->Duplicate( aBitmap->Handle() ); |
|
454 } |
|
455 PRINT1( _L("Camera <> status after bitmap duplicate: %d"), iStatus ); |
|
456 |
|
457 // Release image data, as not used anymore. |
|
458 // All that is needed is iSnapshotBitmap. |
|
459 SetImageData( NULL ); |
|
460 |
|
461 if( iStatus == KErrNone ) |
|
462 { |
|
463 iScaler->StartScaling( *iSnapshotBitmap ); |
|
464 } |
|
465 else |
|
466 { |
|
467 iIdle->Start( TCallBack( SnapshotReadyCallback, this ) ); |
|
468 } |
|
469 } |
|
470 PRINT( _L("Camera <= CCamSnapshot::ImageDecoded") ); |
|
471 } |
|
472 |
|
473 // =========================================================================== |
|
474 // from MCamBitmapScalerObserver |
|
475 |
|
476 // --------------------------------------------------------------------------- |
|
477 // BitmapScaled <<virtual>> |
|
478 // --------------------------------------------------------------------------- |
|
479 // |
|
480 void |
|
481 CCamSnapshot::BitmapScaled( TInt aStatus, const CFbsBitmap* aBitmap ) |
|
482 { |
|
483 // Release any data we hold, as it's not needed anymore. |
|
484 SetImageData( NULL ); |
|
485 |
|
486 if( iSnapshotOn ) |
|
487 { |
|
488 iStatus = aStatus; |
|
489 iSnapshotBitmap->Reset(); |
|
490 |
|
491 if( KErrNone == iStatus ) |
|
492 { |
|
493 iStatus = iSnapshotBitmap->Duplicate( aBitmap->Handle() ); |
|
494 } |
|
495 |
|
496 TECAMEvent event( KUidECamEventCameraSnapshot, iStatus ); |
|
497 iObserver.HandleEvent( event ); |
|
498 } |
|
499 } |
|
500 |
|
501 |
|
502 // =========================================================================== |
|
503 // public new methods |
|
504 |
|
505 // --------------------------------------------------------------------------- |
|
506 // StartSnapshotProcessing |
|
507 // --------------------------------------------------------------------------- |
|
508 // |
|
509 void |
|
510 CCamSnapshot::StartSnapshotProcessing( CCamBufferShare* aBuffer, |
|
511 TInt aError ) |
|
512 { |
|
513 PRINT1( _L("Camera => CCamSnapshot::StartSnapshotProcessing, status in:%d"), aError ); |
|
514 |
|
515 if( iSnapshotOn ) |
|
516 { |
|
517 TRAP( iStatus, DoStartSnapshotProcessingL( aBuffer, aError ) ); |
|
518 |
|
519 if( iStatus != KErrNone ) |
|
520 { |
|
521 iIdle->Start( TCallBack( SnapshotReadyCallback, this ) ); |
|
522 } |
|
523 } |
|
524 |
|
525 PRINT1( _L("Camera <= CCamSnapshot::StartSnapshotProcessing, status out:%d"), aError ); |
|
526 } |
|
527 |
|
528 |
|
529 // --------------------------------------------------------------------------- |
|
530 // SnapshotReadyCallback <<static>> |
|
531 // --------------------------------------------------------------------------- |
|
532 // |
|
533 // static |
|
534 TInt |
|
535 CCamSnapshot::SnapshotReadyCallback( TAny* aSelf ) |
|
536 { |
|
537 PRINT( _L("Camera => CCamSnapshot::SnapshotReadyCallback <<static>>") ); |
|
538 CCamSnapshot* self( static_cast<CCamSnapshot*>( aSelf ) ); |
|
539 |
|
540 if( !self->iVideoMode ) |
|
541 { |
|
542 TECAMEvent event( KUidECamEventCameraSnapshot, self->iStatus ); |
|
543 self->iObserver.HandleEvent( event ); |
|
544 } |
|
545 else |
|
546 { |
|
547 // In video mode we must wait for the video stopped event |
|
548 // even to report error. |
|
549 PRINT( _L("Camera <> CCamSnapshot: Video mode, wait until video stopped.") ); |
|
550 } |
|
551 |
|
552 PRINT( _L("Camera <= CCamSnapshot::SnapshotReadyCallback <<static>>") ); |
|
553 return EFalse; |
|
554 } |
|
555 |
|
556 |
|
557 |
|
558 // =========================================================================== |
|
559 // private methods |
|
560 |
|
561 // --------------------------------------------------------------------------- |
|
562 // DoStartSnapshotProcessingL |
|
563 // |
|
564 // Helper method for StartSnapshotProcessing. |
|
565 // --------------------------------------------------------------------------- |
|
566 // |
|
567 void |
|
568 CCamSnapshot::DoStartSnapshotProcessingL( CCamBufferShare* aBuffer, |
|
569 TInt aError ) |
|
570 { |
|
571 PRINT1( _L("Camera => CCamSnapshot::DoStartSnapshotProcessingL, status in:%d"), aError ); |
|
572 |
|
573 // Cancel all ongoing activity. |
|
574 iDecoder->Cancel(); |
|
575 iScaler->Cancel(); |
|
576 SetImageData( NULL ); // Release any old. |
|
577 |
|
578 // Check that we have the data needed. |
|
579 CheckNonNullL( aBuffer, KErrNotFound ); |
|
580 CheckNonNullL( aBuffer->SharedBuffer(), KErrNotFound ); |
|
581 User::LeaveIfError( aError ); |
|
582 |
|
583 |
|
584 SetImageData( aBuffer ); |
|
585 MCameraBuffer* buffer = iImageData->SharedBuffer(); |
|
586 |
|
587 // First try to use bitmap data if available |
|
588 TRAP( aError, |
|
589 { |
|
590 CFbsBitmap& bitmap = buffer->BitmapL( 0 ); |
|
591 PRINT( _L("Camera <> Using bitmap data, just scale..") ); |
|
592 // Simulate that the bitmap has been decoded now. |
|
593 ImageDecoded( aError, &bitmap ); |
|
594 }); |
|
595 |
|
596 // If problems with bitmap data, try encoded data. |
|
597 if( KErrNone != aError ) |
|
598 { |
|
599 PRINT( _L("Camera <> Using encoded data, decode first") ); |
|
600 // If not able to use bitmap (or there is none), |
|
601 // start converting bitmap from encoded image data. |
|
602 TRAP( aError, iDecoder->StartConversionL( iImageData ) ); |
|
603 } |
|
604 |
|
605 |
|
606 // Neither of the formats could be used. |
|
607 // Release the image data. |
|
608 if( KErrNone != aError ) |
|
609 { |
|
610 SetImageData( NULL ); |
|
611 User::Leave( aError ); |
|
612 } |
|
613 PRINT( _L("Camera <= CCamSnapshot::DoStartSnapshotProcessingL") ); |
|
614 } |
|
615 |
|
616 |
|
617 // --------------------------------------------------------------------------- |
|
618 // Format2DisplayMode |
|
619 // --------------------------------------------------------------------------- |
|
620 // |
|
621 TDisplayMode |
|
622 CCamSnapshot::Format2DisplayMode( CCamera::TFormat aFormat ) const |
|
623 { |
|
624 switch( aFormat ) |
|
625 { |
|
626 case CCamera::EFormatFbsBitmapColor4K: return EColor4K; |
|
627 case CCamera::EFormatFbsBitmapColor64K: return EColor64K; |
|
628 case CCamera::EFormatFbsBitmapColor16M: return EColor16M; |
|
629 case CCamera::EFormatFbsBitmapColor16MU: return EColor16MU; |
|
630 default: return EColor16MU; |
|
631 } |
|
632 } |
|
633 |
|
634 |
|
635 |
|
636 // --------------------------------------------------------------------------- |
|
637 // SetImageData |
|
638 // |
|
639 // Release old shared buffer (if any exists) and store pointer to new one and |
|
640 // reserve it (if any provided). Can be used to just release any existing |
|
641 // share with NULL parameter. |
|
642 // --------------------------------------------------------------------------- |
|
643 // |
|
644 void |
|
645 CCamSnapshot::SetImageData( CCamBufferShare* aImageData ) |
|
646 { |
|
647 if( iImageData ) |
|
648 { |
|
649 iImageData->Release(); |
|
650 } |
|
651 |
|
652 iImageData = aImageData; |
|
653 |
|
654 if( iImageData ) |
|
655 { |
|
656 iImageData->Reserve(); |
|
657 } |
|
658 } |
|
659 |
|
660 |
|
661 |
|
662 // =========================================================================== |
|
663 // private constructors |
|
664 |
|
665 // --------------------------------------------------------------------------- |
|
666 // 2nd phase constructor |
|
667 // --------------------------------------------------------------------------- |
|
668 // |
|
669 void |
|
670 CCamSnapshot::ConstructL() |
|
671 { |
|
672 iSnapshotBitmap = new (ELeave) CFbsBitmap; |
|
673 |
|
674 iDecoder = CCamImageDecoder::NewL( *this ); |
|
675 iScaler = CCamBitmapScaler::NewL( *this ); |
|
676 |
|
677 iIdle = CIdle::NewL( KCallbackPriority ); |
|
678 } |
|
679 |
|
680 // --------------------------------------------------------------------------- |
|
681 // 1st phase constructor |
|
682 // --------------------------------------------------------------------------- |
|
683 // |
|
684 CCamSnapshot::CCamSnapshot( CCamera& aCamera, |
|
685 MCameraObserver2& aObserver, |
|
686 MCamCameraObservable& aObservable ) |
|
687 : iObserver( aObserver ), |
|
688 iObservable( aObservable ), |
|
689 iCameraHandle( aCamera.Handle() ), |
|
690 iSnapshotOn( EFalse ), |
|
691 iStatus( KErrNotReady ) |
|
692 { |
|
693 } |
|
694 |
|
695 // end of file |