86 // ----------------------------------------------------------------------------- |
65 // ----------------------------------------------------------------------------- |
87 // Destructor |
66 // Destructor |
88 // ----------------------------------------------------------------------------- |
67 // ----------------------------------------------------------------------------- |
89 CAnimationDecoder::~CAnimationDecoder() |
68 CAnimationDecoder::~CAnimationDecoder() |
90 { |
69 { |
91 Cancel(); |
70 if (iWrapped) { |
|
71 iWrapped->Invalidate(); |
|
72 iWrapped = NULL; |
|
73 } |
|
74 } |
92 |
75 |
93 if( iDecoder ) { |
76 CMaskedBitmap* CAnimationDecoder::Destination() |
94 // animated images still being decoded. |
77 { |
95 iDecoder->Cancel(); |
78 if (iWrapped) |
96 delete iDecoder, iDecoder = NULL; |
79 return(iWrapped->Destination()); |
97 } |
80 return(NULL); |
98 |
|
99 delete iAnimationBitmap, iAnimationBitmap = NULL; |
|
100 delete iDestination, iDestination = NULL; |
|
101 if(iDrmContent) |
|
102 { |
|
103 delete iDrmContent; |
|
104 iDrmContent = NULL; |
|
105 } |
|
106 } |
81 } |
107 |
82 |
108 // ----------------------------------------------------------------------------- |
83 // ----------------------------------------------------------------------------- |
109 // OpenL |
84 // OpenL |
110 // ----------------------------------------------------------------------------- |
85 // ----------------------------------------------------------------------------- |
111 void CAnimationDecoder::OpenAndDecodeSyncL( const TDesC8& aData ) |
86 void CAnimationDecoder::OpenL( const TDesC8& aData, TDesC* aMIMEType, TBool aIsComplete ) |
112 { |
87 { |
113 iSizeAvailable = EFalse; |
88 if (!iWrapped) { |
114 iRawDataComplete = ETrue; |
89 return; |
115 delete iDestination; |
90 } |
116 iDestination = NULL; |
91 TRAPD(err, iWrapped->OpenL(aData, aMIMEType, aIsComplete)); |
|
92 if (err != KErrNone) { |
|
93 delete iWrapped; |
|
94 iWrapped = NULL; |
|
95 } |
|
96 User::LeaveIfError(err); |
117 |
97 |
118 if(!iSyncDecodeThread) { // first time, create decoder thread |
|
119 iSyncDecodeThread = CSynDecodeThread::NewL(); |
|
120 } |
|
121 |
|
122 if (iSyncDecodeThread->Decode(aData) == KErrNone) { |
|
123 iSyncDecodeThread->Handle(iSyncBitmapHandle, iSyncMaskHandle); |
|
124 Destination(); // duplicate bitmap handles |
|
125 iSizeAvailable = ETrue; |
|
126 } |
|
127 } |
98 } |
128 |
99 |
129 CMaskedBitmap* CAnimationDecoder::Destination() |
100 TSize CAnimationDecoder::Size() const |
130 { |
|
131 if (iDestination) |
|
132 return iDestination; |
|
133 |
|
134 if (iSyncBitmapHandle != -1 && iSyncMaskHandle != -1) { |
|
135 CFbsBitmap* bitmap = new CFbsBitmap(); |
|
136 bitmap->Duplicate(iSyncBitmapHandle); |
|
137 CFbsBitmap* mask = new CFbsBitmap(); |
|
138 mask->Duplicate(iSyncMaskHandle); |
|
139 |
|
140 iDestination = new CMaskedBitmap(bitmap, mask); |
|
141 iDestination->SetFrameIndex(0); |
|
142 iDestination->SetFrameDelay(0); |
|
143 iSyncBitmapHandle = -1; |
|
144 iSyncMaskHandle = -1; |
|
145 } |
|
146 |
|
147 return iDestination; |
|
148 } |
|
149 //============================================================================= |
|
150 // DecodeDRMImageContentL : Function for handling the DRM image content |
|
151 //============================================================================= |
|
152 HBufC8* CAnimationDecoder::DecodeDRMImageContentL(const TDesC8& aData) |
|
153 { |
101 { |
154 // input buffers for image conversion |
102 if (iWrapped) |
155 HBufC8* bufInput = HBufC8::NewLC( aData.Length() + 1 ); |
103 return(iWrapped->Size()); |
156 TPtr8 ptrInput = bufInput->Des(); |
104 TSize t; |
157 //Reader intends to view content |
105 return(t); |
158 ptrInput.Append( EView ); |
|
159 ptrInput.Append( aData ); |
|
160 |
|
161 // output buffer for image conversion |
|
162 HBufC8* animatedDRMdata = HBufC8::NewLC( aData.Length() + 256 ); |
|
163 TPtr8 ptrOutput = animatedDRMdata->Des(); |
|
164 |
|
165 //Find DRM agent |
|
166 TAgent agentDRM; |
|
167 |
|
168 RArray<ContentAccess::TAgent> agents; |
|
169 ContentAccess::CManager* manager = CManager::NewLC(); |
|
170 manager->ListAgentsL( agents ); |
|
171 for ( TInt i = 0; i < agents.Count(); i++ ) |
|
172 { |
|
173 if ( agents[i].Name().Compare( KOmaDrm2AgentName ) == 0) |
|
174 { |
|
175 agentDRM = agents[i]; |
|
176 //convert the DRM image |
|
177 manager->AgentSpecificCommand( agentDRM, EDecryptOma1DcfBuffer, ptrInput,ptrOutput); |
|
178 break; |
|
179 } |
|
180 } |
|
181 |
|
182 CleanupStack::PopAndDestroy(manager); |
|
183 //keep animatedDRMdata to return |
|
184 CleanupStack::Pop(animatedDRMdata); |
|
185 CleanupStack::PopAndDestroy(bufInput); |
|
186 |
|
187 return animatedDRMdata; |
|
188 } |
|
189 // ----------------------------------------------------------------------------- |
|
190 // OpenL |
|
191 // ----------------------------------------------------------------------------- |
|
192 void CAnimationDecoder::OpenL( const TDesC8& aData, TDesC* aMIMEType, TBool aIsComplete ) |
|
193 { |
|
194 if(!iObserver) { |
|
195 OpenAndDecodeSyncL(aData); |
|
196 return; |
|
197 } |
|
198 |
|
199 |
|
200 delete iDestination; |
|
201 iDestination = NULL; |
|
202 iDestination = CMaskedBitmap::NewL(); |
|
203 |
|
204 HBufC8* mime = 0; |
|
205 TPtrC8 buffer(aData.Ptr(),aData.Length()); |
|
206 if (aMIMEType) { |
|
207 // it is safer to ignore the server supplied mime type and just recognize |
|
208 // the image type from the data headers. this does not work for all formats though |
|
209 if ( *aMIMEType==KMimeWBMP || *aMIMEType==KMimeOTA || *aMIMEType==KMimeWMF){ |
|
210 // convert to 8 bit |
|
211 mime = HBufC8::NewLC(aMIMEType->Length()); |
|
212 mime->Des().Copy(*aMIMEType); |
|
213 } |
|
214 if( *aMIMEType==KMimeDRM ) |
|
215 { |
|
216 iDrmContent = DecodeDRMImageContentL(aData); |
|
217 |
|
218 TInt drmContentLength = iDrmContent->Des().Length(); |
|
219 buffer.Set( (const TUint8*)iDrmContent->Des().Ptr(), drmContentLength); |
|
220 } |
|
221 } |
|
222 |
|
223 if( !iDecoder ) |
|
224 iDecoder = CBufferedImageDecoder::NewL(CEikonEnv::Static()->FsSession()); |
|
225 |
|
226 if (mime){ |
|
227 iDecoder->OpenL(buffer,*mime,CImageDecoder::EOptionNone); |
|
228 CleanupStack::PopAndDestroy(); // mime |
|
229 } |
|
230 else { |
|
231 iDecoder->OpenL(buffer,CImageDecoder::EOptionNone); |
|
232 } |
|
233 |
|
234 iRawDataComplete = aIsComplete; |
|
235 |
|
236 if(iDecoder && iDecoder->ValidDecoder() && iDecoder->IsImageHeaderProcessingComplete()) |
|
237 StartDecodingL(); |
|
238 else |
|
239 // remove me when incremental image rendering gets supported |
|
240 User::Leave( KErrCorrupt ); |
|
241 |
|
242 //If it is an animated image, let's figure out loop count |
|
243 if(IsAnimation()) { |
|
244 // first see if have a netscape 2.0 extension header |
|
245 const TUint8 extString[] = { 'N', 'E', 'T', 'S', 'C', 'A', 'P','E','2','.','0','\3','\1' }; |
|
246 const TInt sizeofextString = sizeof(extString); |
|
247 TPtrC8 rawDataPtr((TUint8*)aData.Ptr(), aData.Length()); |
|
248 TInt offset = rawDataPtr.Find(extString, sizeofextString); |
|
249 if(offset != KErrNotFound) { |
|
250 // found a header, get the loop count - |
|
251 // (the loop count is in the 2 bytes following the header string listed above, |
|
252 // stored low byte then high byte) |
|
253 iLoopCount = (TInt16)((rawDataPtr[offset+sizeofextString+1] * 256) + rawDataPtr[offset+sizeofextString]); |
|
254 if(iLoopCount != 0) { |
|
255 ++iLoopCount; // +1 to make it 1 based rather than 0 based |
|
256 } |
|
257 else{ |
|
258 // 0 indicates infinite - map to internal loop count infinite value |
|
259 iLoopCount = -1; |
|
260 } |
|
261 } |
|
262 else { |
|
263 // no header found, assume 1x thru loop |
|
264 iLoopCount = 1; |
|
265 } |
|
266 iCurLoopCount = iLoopCount; |
|
267 } |
|
268 } |
106 } |
269 |
107 |
270 // ----------------------------------------------------------------------------- |
108 TInt CAnimationDecoder::AnimationFrameCount() const |
271 // CAnimationDecoder::AddDataL |
|
272 // New chunk of raw data |
|
273 // |
|
274 // ----------------------------------------------------------------------------- |
|
275 // |
|
276 void CAnimationDecoder::AddDataL( |
|
277 const TDesC8& aNextChunk, |
|
278 TBool aIsComplete ) |
|
279 { |
109 { |
280 iRawDataComplete = aIsComplete; |
110 if (iWrapped) |
281 |
111 return(iWrapped->AnimationFrameCount()); |
282 if( iDecoder ) { |
112 return(-1); |
283 iDecoder->AppendDataL(aNextChunk); |
|
284 if( iDecoder->ValidDecoder() ) { |
|
285 // if the image conversion is busy , then just appending the |
|
286 // data should be sufficient |
|
287 if(iStatus == KRequestPending) { |
|
288 // more image data |
|
289 iDecoder->ContinueConvert( &iStatus ); |
|
290 SetActive(); |
|
291 } |
|
292 } |
|
293 else { |
|
294 iDecoder->ContinueOpenL() ; |
|
295 if(iDecoder->ValidDecoder() && iDecoder->IsImageHeaderProcessingComplete()){ |
|
296 StartDecodingL(); |
|
297 } |
|
298 } |
|
299 } |
|
300 } |
113 } |
301 |
114 |
302 // ----------------------------------------------------------------------------- |
115 TInt16 CAnimationDecoder::getLoopCount() |
303 // CImageLoader::StartDecodingL |
|
304 // |
|
305 // ----------------------------------------------------------------------------- |
|
306 // |
|
307 void CAnimationDecoder::StartDecodingL() |
|
308 { |
116 { |
309 // Check frame count |
117 if (iWrapped) |
310 iAnimationFrameCount = iDecoder->FrameCount(); |
118 return(iWrapped->getLoopCount()); |
311 iAnimation = iAnimationFrameCount > 1; |
119 return(-1); |
312 iFrameInfo = iDecoder->FrameInfo( 0 ); |
|
313 iSizeAvailable = ETrue; |
|
314 |
|
315 if (iFrameInfo.iFlags & TFrameInfo::ETransparencyPossible){ |
|
316 // we only support gray2 and gray256 tiling |
|
317 TDisplayMode maskmode = ( (iFrameInfo.iFlags & TFrameInfo::EAlphaChannel) && (iFrameInfo.iFlags & TFrameInfo::ECanDither)) ? EGray256 : EGray2; |
|
318 TInt error = iDestination->Create( iFrameInfo.iOverallSizeInPixels, DisplayMode(), maskmode ); |
|
319 |
|
320 if (!error) |
|
321 LoadFrame(0); |
|
322 else |
|
323 RunError(KErrNoMemory); |
|
324 } |
|
325 else { |
|
326 TInt error = iDestination->Create( iFrameInfo.iOverallSizeInPixels, DisplayMode() ); |
|
327 if (!error) |
|
328 LoadFrame(0); |
|
329 else |
|
330 RunError(KErrNoMemory); |
|
331 } |
|
332 } |
120 } |
333 |
121 |
334 // ----------------------------------------------------------------------------- |
122 TBool CAnimationDecoder::isSizeAvailable() const |
335 // CAnimationDecoder::MaskDisplayMode |
|
336 // ----------------------------------------------------------------------------- |
|
337 TDisplayMode CAnimationDecoder::MaskDisplayMode() const |
|
338 { |
123 { |
339 if( iFrameInfo.iFlags & TFrameInfo::ETransparencyPossible ){ |
124 if (iWrapped) |
340 if( iFrameInfo.iFlags & TFrameInfo::EAlphaChannel && (iFrameInfo.iFlags & TFrameInfo::ECanDither)) |
125 return(iWrapped->isSizeAvailable()); |
341 return EGray256; |
126 return(EFalse); |
342 return EGray2; |
|
343 } |
|
344 return ENone; |
|
345 } |
127 } |
346 |
128 |
347 // ----------------------------------------------------------------------------- |
129 TInt CAnimationDecoder::LoadFrame(TInt aFrameIndex) |
348 // CAnimationDecoder::AnimationFrameDelay |
|
349 // ----------------------------------------------------------------------------- |
|
350 TTimeIntervalMicroSeconds32 CAnimationDecoder::AnimationFrameDelay( TInt aAnimationFrameIndex ) const |
|
351 { |
130 { |
352 __ASSERT_ALWAYS( aAnimationFrameIndex >= 0 && |
131 if (iWrapped) |
353 aAnimationFrameIndex < iAnimationFrameCount, Panic( KErrArgument ) ); |
132 return(iWrapped->LoadFrame(aFrameIndex)); |
354 |
133 return(-1); |
355 return I64INT( iDecoder->FrameInfo( aAnimationFrameIndex ).iDelay.Int64() ); |
|
356 } |
134 } |
357 |
135 |
358 |
136 TBool CAnimationDecoder::decodeInProgress() const |
359 // ----------------------------------------------------------------------------- |
|
360 // CAnimationDecoder::DoCancel |
|
361 // ----------------------------------------------------------------------------- |
|
362 void CAnimationDecoder::DoCancel() |
|
363 { |
137 { |
364 iDecoder->Cancel(); |
138 if (iWrapped) |
365 // Delete all processed bitmaps |
139 return(iWrapped->decodeInProgress()); |
366 ErrorCleanup(); |
140 return(EFalse); |
367 // Complete with cancel |
|
368 iImageState = EInactive; |
|
369 } |
141 } |
370 |
142 |
371 // ----------------------------------------------------------------------------- |
|
372 // CAnimationDecoder::RunL |
|
373 // ----------------------------------------------------------------------------- |
|
374 void CAnimationDecoder::RunL() |
|
375 { |
|
376 __ASSERT_DEBUG( iDestination, Panic( KErrGeneral ) ); |
|
377 // don't kick off the image decoding until the preview mode is over |
|
378 if (iStatus==KErrUnderflow) { |
|
379 if (!IsAnimation()) |
|
380 iObserver->partialImage(); |
|
381 return; |
|
382 } |
|
383 else if( iStatus == KErrCorrupt ) { |
|
384 RunError( iStatus.Int() ); |
|
385 return; |
|
386 } |
|
387 User::LeaveIfError( iStatus.Int() ); |
|
388 switch( iImageState ) { |
|
389 case EStartLoad: |
|
390 { |
|
391 // start loading the bitmaps |
|
392 StartLoadL(); |
|
393 break; |
|
394 } |
|
395 case ECompleteLoad: |
|
396 { |
|
397 // complete loading the bitmaps |
|
398 CompleteLoadL(); |
|
399 break; |
|
400 } |
|
401 default: |
|
402 { |
|
403 Panic( KErrTotalLossOfPrecision ); |
|
404 } |
|
405 } |
|
406 } |
|
407 |
|
408 // ----------------------------------------------------------------------------- |
|
409 // CAnimationDecoder::RunError |
|
410 // ----------------------------------------------------------------------------- |
|
411 TInt CAnimationDecoder::RunError( TInt aError ) |
|
412 { |
|
413 // Delete all processed bitmaps |
|
414 ErrorCleanup(); |
|
415 // Complete with error |
|
416 iImageState = EInactive; |
|
417 iObserver->decoderError(aError); |
|
418 return KErrNone; |
|
419 } |
|
420 |
|
421 // ----------------------------------------------------------------------------- |
|
422 // CAnimationDecoder::LoadFrame |
|
423 // ----------------------------------------------------------------------------- |
|
424 TInt CAnimationDecoder::LoadFrame( TInt aFrameIndex ) |
|
425 { |
|
426 if( IsBusy() ) |
|
427 return KErrNotReady; |
|
428 |
|
429 if( aFrameIndex < 0 || aFrameIndex >= iDecoder->FrameCount() ) |
|
430 return KErrArgument; |
|
431 |
|
432 iFrameIndex = aFrameIndex; |
|
433 // Start the active object |
|
434 iImageState = EStartLoad; |
|
435 SelfComplete(); |
|
436 return KErrNone; |
|
437 } |
|
438 |
|
439 // ----------------------------------------------------------------------------- |
|
440 // CAnimationDecoder::StartLoadL |
|
441 // ----------------------------------------------------------------------------- |
|
442 void CAnimationDecoder::StartLoadL() |
|
443 { |
|
444 __ASSERT_DEBUG( !iAnimationBitmap, Panic( KErrGeneral ) ); |
|
445 |
|
446 if( iAnimation ) { |
|
447 // Start animation from first frame by default |
|
448 iAnimationFrameIndex = 0; |
|
449 |
|
450 // Check is animation can be continued on top of destination bitmap |
|
451 if( iDestination->FrameIndex() < iFrameIndex ) |
|
452 iAnimationFrameIndex = iDestination->FrameIndex() + 1; |
|
453 |
|
454 StartLoadAnimationBitmapL( iAnimationFrameIndex ); |
|
455 } |
|
456 else // normal image |
|
457 StartLoadNormalBitmap( iFrameIndex ); |
|
458 |
|
459 iDecodeInProgress = EFalse; |
|
460 iImageState = ECompleteLoad; |
|
461 SetActive(); |
|
462 } |
|
463 |
|
464 // ----------------------------------------------------------------------------- |
|
465 // CAnimationDecoder::StartLoadNormalBitmap |
|
466 // ----------------------------------------------------------------------------- |
|
467 void CAnimationDecoder::StartLoadNormalBitmap( TInt aFrameIndex ) |
|
468 { |
|
469 CFbsBitmap& dstBitmap = iDestination->BitmapModifyable(); |
|
470 CFbsBitmap& dstMask = iDestination->MaskModifyable(); |
|
471 |
|
472 if( MaskDisplayMode() != ENone && dstMask.Handle() ) |
|
473 iDecoder->Convert( &iStatus, dstBitmap, dstMask, aFrameIndex ); |
|
474 else { |
|
475 dstMask.Reset(); |
|
476 iDecoder->Convert( &iStatus, dstBitmap, aFrameIndex ); |
|
477 } |
|
478 } |
|
479 |
|
480 // ----------------------------------------------------------------------------- |
|
481 // CAnimationDecoder::StartLoadAnimationBitmapL |
|
482 // ----------------------------------------------------------------------------- |
|
483 void CAnimationDecoder::StartLoadAnimationBitmapL( TInt aFrameIndex ) |
|
484 { |
|
485 __ASSERT_DEBUG( !iAnimationBitmap, Panic( KErrGeneral ) ); |
|
486 |
|
487 // Create animation bitmap |
|
488 iAnimationBitmap = CMaskedBitmap::NewL(); |
|
489 CFbsBitmap& animBitmap = iAnimationBitmap->BitmapModifyable(); |
|
490 CFbsBitmap& animMask = iAnimationBitmap->MaskModifyable(); |
|
491 |
|
492 TFrameInfo frameInfo( iDecoder->FrameInfo( aFrameIndex ) ); |
|
493 User::LeaveIfError( animBitmap.Create( |
|
494 frameInfo.iOverallSizeInPixels, EColor16M ) ); |
|
495 |
|
496 TDisplayMode maskDisplayMode( ENone ); |
|
497 |
|
498 if( frameInfo.iFlags & TFrameInfo::ETransparencyPossible ) { |
|
499 if( frameInfo.iFlags & TFrameInfo::EAlphaChannel && (frameInfo.iFlags & TFrameInfo::ECanDither)) |
|
500 maskDisplayMode = EGray256; |
|
501 maskDisplayMode = EGray2; |
|
502 |
|
503 User::LeaveIfError( animMask.Create( frameInfo.iOverallSizeInPixels, maskDisplayMode ) ); |
|
504 iDecoder->Convert( &iStatus, animBitmap, animMask, aFrameIndex ); |
|
505 } |
|
506 else |
|
507 iDecoder->Convert( &iStatus, animBitmap, aFrameIndex ); |
|
508 } |
|
509 |
|
510 // ----------------------------------------------------------------------------- |
|
511 // CAnimationDecoder::CompleteLoadL |
|
512 // ----------------------------------------------------------------------------- |
|
513 void CAnimationDecoder::CompleteLoadL() |
|
514 { |
|
515 TSize frameSize = iFrameInfo.iOverallSizeInPixels; |
|
516 int sizeinBytes = frameSize.iWidth * frameSize.iHeight * 2; |
|
517 if( iAnimationBitmap ){ |
|
518 // Copy animation bitmap to destination |
|
519 BuildAnimationFrameL(); |
|
520 delete iAnimationBitmap; |
|
521 iAnimationBitmap = NULL; |
|
522 |
|
523 iDestination->SetFrameIndex( iAnimationFrameIndex ); |
|
524 iDestination->SetFrameDelay( AnimationFrameDelay( iAnimationFrameIndex ) ); |
|
525 |
|
526 if( iAnimationFrameIndex < iFrameIndex ) { |
|
527 // re-start the active object and load next frame |
|
528 iAnimationFrameIndex++; |
|
529 iImageState = EStartLoad; |
|
530 SelfComplete(); |
|
531 } |
|
532 else { |
|
533 // Animation ready |
|
534 iImageState = EInactive; |
|
535 iObserver->animationFrameReady(sizeinBytes); |
|
536 } |
|
537 } |
|
538 else { |
|
539 // Save source info destination |
|
540 iDestination->SetFrameIndex( iFrameIndex ); |
|
541 iDestination->SetFrameDelay( 0 ); |
|
542 |
|
543 // Normal image ready |
|
544 //iDestination = NULL; |
|
545 iImageState = EInactive; |
|
546 iObserver->imageReady(sizeinBytes); |
|
547 delete iDecoder, iDecoder = NULL; |
|
548 } |
|
549 } |
|
550 |
|
551 // ----------------------------------------------------------------------------- |
|
552 // CAnimationDecoder::BuildAnimationFrameL |
|
553 // ----------------------------------------------------------------------------- |
|
554 void CAnimationDecoder::BuildAnimationFrameL() |
|
555 { |
|
556 __ASSERT_DEBUG( iAnimationBitmap, Panic( KErrGeneral ) ); |
|
557 const CFbsBitmap& animBitmap = iAnimationBitmap->Bitmap(); |
|
558 const CFbsBitmap& animMask = iAnimationBitmap->Mask(); |
|
559 __ASSERT_DEBUG( animBitmap.Handle(), Panic( KErrGeneral ) ); |
|
560 |
|
561 |
|
562 //If the first frame starts from position(0,0), copy directly to the destination bitmap |
|
563 //otherwise frame has to be appropriately positioned in the destination bitmap |
|
564 TPoint aStartPoint(0,0); |
|
565 if( (iAnimationFrameIndex==0) && (iFrameInfo.iFrameCoordsInPixels.iTl==aStartPoint) ) |
|
566 { |
|
567 // First frame can be directly put into destination |
|
568 User::LeaveIfError( iDestination->Copy( animBitmap, animMask, ETrue ) ); |
|
569 } |
|
570 else { |
|
571 CFbsBitmap& prevBitmap = iDestination->BitmapModifyable(); |
|
572 CFbsBitmap& prevMask = iDestination->MaskModifyable(); |
|
573 |
|
574 // Other frames must be build on top of previous frames |
|
575 __ASSERT_DEBUG( prevBitmap.Handle(), Panic( KErrGeneral ) ); |
|
576 |
|
577 // Create bitmap device to destination bitmap |
|
578 CFbsBitGc* bitGc; |
|
579 CFbsBitmapDevice* bitDevice = CFbsBitmapDevice::NewL( &prevBitmap ); |
|
580 CleanupStack::PushL( bitDevice ); |
|
581 User::LeaveIfError( bitDevice->CreateContext( bitGc ) ); |
|
582 CleanupStack::PushL( bitGc ); |
|
583 |
|
584 // Restore area in destination bitmap if needed |
|
585 TRect restoreRect; |
|
586 TBool restoreToBackground( EFalse ); |
|
587 |
|
588 TInt aFrameNo = (iAnimationFrameIndex >= 1)?(iAnimationFrameIndex):1; |
|
589 TFrameInfo prevFrameInfo(iDecoder->FrameInfo(aFrameNo - 1)); |
|
590 |
|
591 //TFrameInfo prevFrameInfo( iDecoder->FrameInfo( iAnimationFrameIndex - 1 ) ); |
|
592 |
|
593 if( (prevFrameInfo.iFlags & TFrameInfo::ERestoreToBackground )|| (iAnimationFrameIndex ==0)) |
|
594 { |
|
595 restoreToBackground = ETrue; |
|
596 restoreRect = prevFrameInfo.iFrameCoordsInPixels; |
|
597 bitGc->SetPenColor( prevFrameInfo.iBackgroundColor ); |
|
598 bitGc->SetBrushColor( prevFrameInfo.iBackgroundColor ); |
|
599 bitGc->SetBrushStyle( CGraphicsContext::ESolidBrush ); |
|
600 if(iAnimationFrameIndex ==0){ |
|
601 bitGc->Clear(); |
|
602 } |
|
603 else{ |
|
604 bitGc->DrawRect( restoreRect ); |
|
605 } |
|
606 bitGc->SetBrushStyle( CGraphicsContext::ENullBrush ); |
|
607 } |
|
608 // Copy animation frame to destination bitmap |
|
609 TFrameInfo frameInfo( iDecoder->FrameInfo( iAnimationFrameIndex) ); |
|
610 if( animMask.Handle() ) { |
|
611 bitGc->BitBltMasked( frameInfo.iFrameCoordsInPixels.iTl, &animBitmap, |
|
612 animBitmap.SizeInPixels(), &animMask, EFalse ); |
|
613 } |
|
614 else { |
|
615 bitGc->BitBlt( frameInfo.iFrameCoordsInPixels.iTl, &animBitmap, |
|
616 animBitmap.SizeInPixels() ); |
|
617 } |
|
618 CleanupStack::PopAndDestroy( 2 ); // bitmapCtx, bitmapDev |
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619 |
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620 // Combine masks if any |
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621 if( prevMask.Handle() && animMask.Handle() ) { |
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622 bitDevice = CFbsBitmapDevice::NewL( &prevMask ); |
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623 CleanupStack::PushL( bitDevice ); |
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624 User::LeaveIfError( bitDevice->CreateContext( bitGc ) ); |
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625 CleanupStack::PushL( bitGc ); |
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626 |
|
627 if( restoreToBackground ) { |
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628 bitGc->SetBrushColor( KRgbBlack ); |
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629 bitGc->SetBrushStyle( CGraphicsContext::ESolidBrush ); |
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630 if(iAnimationFrameIndex ==0){ |
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631 bitGc->Clear(); |
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632 } |
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633 else{ |
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634 bitGc->DrawRect( restoreRect ); |
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635 } |
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636 bitGc->SetBrushStyle( CGraphicsContext::ENullBrush ); |
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637 } |
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638 CFbsBitmap* tmpMask = new(ELeave) CFbsBitmap; |
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639 CleanupStack::PushL( tmpMask ); |
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640 User::LeaveIfError( tmpMask->Create( prevMask.SizeInPixels(), prevMask.DisplayMode() ) ); |
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641 CFbsBitmapDevice* tmpMaskDev = CFbsBitmapDevice::NewL( tmpMask ); |
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642 CleanupStack::PushL( tmpMaskDev ); |
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643 CFbsBitGc* tmpMaskGc; |
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644 User::LeaveIfError( tmpMaskDev->CreateContext( tmpMaskGc ) ); |
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645 CleanupStack::PushL( tmpMaskGc ); |
|
646 |
|
647 tmpMaskGc->BitBlt( TPoint( 0, 0 ), &prevMask, frameInfo.iFrameCoordsInPixels ); |
|
648 |
|
649 bitGc->BitBltMasked( frameInfo.iFrameCoordsInPixels.iTl, &animMask, |
|
650 animMask.SizeInPixels(), tmpMask, ETrue ); |
|
651 |
|
652 CleanupStack::PopAndDestroy( 5 ); //tmpMask, tmpMaskDev, tmpMaskGc, bitGc, bitDevice |
|
653 } |
|
654 else |
|
655 prevMask.Reset(); // Mask not valid anymore -> reset |
|
656 } |
|
657 } |
|
658 |
|
659 // ----------------------------------------------------------------------------- |
|
660 // CAnimationDecoder::ErrorCleanup |
|
661 // ----------------------------------------------------------------------------- |
|
662 void CAnimationDecoder::ErrorCleanup() |
|
663 { |
|
664 if( iAnimationBitmap ) { |
|
665 delete iAnimationBitmap; |
|
666 iAnimationBitmap = NULL; |
|
667 } |
|
668 |
|
669 if( iDestination ) { |
|
670 delete iDestination; |
|
671 iDestination = NULL; |
|
672 } |
|
673 } |
|
674 |
|
675 // ----------------------------------------------------------------------------- |
|
676 // CAnimationDecoder::SelfComplete |
|
677 // ----------------------------------------------------------------------------- |
|
678 void CAnimationDecoder::SelfComplete( TInt aError ) |
|
679 { |
|
680 SetActive(); |
|
681 iStatus = KRequestPending; |
|
682 TRequestStatus* status = &iStatus; |
|
683 User::RequestComplete( status, aError ); |
|
684 } |
|
685 |
|
686 |
|
687 |
|
688 // End of File |
143 // End of File |