--- a/imagehandlingutilities/thumbnailmanager/plugins/image/src/thumbnailimagedecoderv2.cpp Fri Sep 03 10:29:37 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,252 +0,0 @@
-/*
-* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: Image thumbnail decoder
- *
-*/
-
-
-//INCLUDE FILES
-#include <e32base.h>
-#include <imageconversion.h>
-#include <ExifRead.h>
-
-#include <IclExtJpegApi.h>
-#include "thumbnailimagedecoderv2.h"
-#include "thumbnaillog.h"
-#include "thumbnailpanic.h"
-#include "thumbnailmanagerconstants.h"
-#include "OstTraceDefinitions.h"
-#ifdef OST_TRACE_COMPILER_IN_USE
-#include "thumbnailimagedecoderv2Traces.h"
-#endif
-
-
-// ============================ MEMBER FUNCTIONS ===============================
-//------------------------------------------------------------------------
-// CThumbnailImageDecoder::CThumbnailImageDecoder()
-// C++ default constructor can NOT contain any code, that might leave.
-// ---------------------------------------------------------------------------
-//
-CThumbnailImageDecoderv2::CThumbnailImageDecoderv2( RFs& aFs):
- CActive(EPriorityStandard ), iBitmap( NULL ), iFs( aFs ), iBuffer( NULL )
- {
- CActiveScheduler::Add( this );
- }
-
-
-// ---------------------------------------------------------------------------
-// CThumbnailImageDecoder::~CThumbnailImageDecoder()
-// Destructor.
-// ---------------------------------------------------------------------------
-//
-CThumbnailImageDecoderv2::~CThumbnailImageDecoderv2()
- {
- Release();
- }
-
-
-// -----------------------------------------------------------------------------
-// CThumbnailImageDecoder::CreateL()
-// Creates thumbnail of image
-// -----------------------------------------------------------------------------
-//
-void CThumbnailImageDecoderv2::CreateL(TDesC8& aBuffer, MThumbnailProviderObserver& aObserver)
- {
- TN_DEBUG1( "CThumbnailImageDecoderv2::CreateL() start" );
- OstTrace0( TRACE_NORMAL, CTHUMBNAILIMAGEDECODERV2_CREATEL, "CThumbnailImageDecoderv2::CreateL - start" );
-
- iBuffer = &aBuffer;
- iObserver = &aObserver;
-
- CreateDecoderL();
-
- TN_DEBUG1( "CThumbnailImageDecoderv2::CreateL() end" );
- OstTrace0( TRACE_NORMAL, DUP1_CTHUMBNAILIMAGEDECODERV2_CREATEL, "CThumbnailImageDecoderv2::CreateL - end" );
- }
-
-// -----------------------------------------------------------------------------
-// CThumbnailImageDecoder::DecodeL()
-// Decode the thumbnail image
-// -----------------------------------------------------------------------------
-//
-void CThumbnailImageDecoderv2::DecodeL( )
- {
- TN_DEBUG1( "CThumbnailImageDecoderv2::DecodeL() start" );
- OstTrace0( TRACE_NORMAL, CTHUMBNAILIMAGEDECODERV2_DECODEL, "CThumbnailImageDecoderv2::DecodeL - start" );
-
- // Create the bitmap
- if ( !iBitmap )
- {
- iBitmap = new( ELeave )CFbsBitmap();
- }
-
- //set displaymode from global constants
- TInt err = iBitmap->Create( iDecoder->FrameInfo().iOverallSizeInPixels, iDecoder->FrameInfo().iFrameDisplayMode);
- if (err != KErrNone)
- {
- delete iBitmap;
- iBitmap = NULL;
- User::Leave(err);
- }
-
- iDecoder->Convert( &iStatus, * iBitmap );
-
- SetActive();
-
- TN_DEBUG1( "CThumbnailImageDecoderv2::DecodeL() end" );
- OstTrace0( TRACE_NORMAL, DUP1_CTHUMBNAILIMAGEDECODERV2_DECODEL, "CThumbnailImageDecoderv2::DecodeL - end" );
- }
-
-
-// -----------------------------------------------------------------------------
-// CThumbnailImageDecoder::Release()
-// Releases resources
-// -----------------------------------------------------------------------------
-//
-void CThumbnailImageDecoderv2::Release()
- {
- Cancel();
-
- delete iDecoder;
- iDecoder = NULL;
-
- delete iBitmap;
- iBitmap = NULL;
-
- iBuffer = NULL; // we don't own the buffer
- }
-
-
-// -----------------------------------------------------------------------------
-// CThumbnailImageDecoder::DoCancel()
-// -----------------------------------------------------------------------------
-//
-void CThumbnailImageDecoderv2::DoCancel()
- {
- if ( iDecoder )
- {
- iDecoder->Cancel();
- delete iDecoder;
- iDecoder = NULL;
- }
-
- delete iBitmap;
- iBitmap = NULL;
-
- iBuffer = NULL; // we don't own the buffer
- }
-
-
-// -----------------------------------------------------------------------------
-// CThumbnailImageDecoder::RunL()
-// -----------------------------------------------------------------------------
-//
-void CThumbnailImageDecoderv2::RunL()
- {
- // This call takes ownership of iBitmap
- // EXIF always false
- // Rotated always false
- iObserver->ThumbnailProviderReady( iStatus.Int(), iBitmap, iOriginalSize, EFalse, EFalse);
-
- iBitmap = NULL; // owned by server now
- iBuffer = NULL; // we don't own the buffer
-
- Release();
- }
-
-
-// -----------------------------------------------------------------------------
-// CThumbnailImageDecoder::CreateDecoderL
-// Creates image decoder
-// -----------------------------------------------------------------------------
-//
-void CThumbnailImageDecoderv2::CreateDecoderL()
- {
- TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() start" );
- OstTrace0( TRACE_NORMAL, CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - start" );
-
- delete iDecoder;
- iDecoder = NULL;
-
- CImageDecoder::TOptions options = ( CImageDecoder::TOptions )(
- CImageDecoder::EOptionNoDither );
-
- TRAPD( decErr, iDecoder = CExtJpegDecoder::DataNewL(
- CExtJpegDecoder::EHwImplementation, iFs, *iBuffer, options ));
-
- if ( decErr != KErrNone )
- {
- TN_DEBUG2( "CThumbnailImageDecoderv2::CreateDecoderL() - HW CExtJpegDecoder failed = %d", decErr );
- OstTrace1( TRACE_NORMAL, DUP1_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - HW CExtJpegDecoder failed;decErr=%d", decErr );
- TRAP( decErr, iDecoder = CExtJpegDecoder::DataNewL(
- CExtJpegDecoder::ESwImplementation, iFs, *iBuffer, options ));
-
- if ( decErr != KErrNone )
- {
- TN_DEBUG2( "CThumbnailImageDecoderv2::CreateDecoderL() - SW CExtJpegDecoder failed %d", decErr);
- OstTrace1( TRACE_NORMAL, DUP2_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - SW CExtJpegDecoder failed;decErr=%d", decErr );
- LeaveIfCorruptL( decErr );
-
- TRAP( decErr, iDecoder = CImageDecoder::DataNewL( iFs, *iBuffer, KJpegMime(), options ) );
-
- if ( decErr != KErrNone )
- {
- TN_DEBUG2( "CThumbnailImageDecoderv2::CreateDecoderL() - CImageDecoder failed %d", decErr);
- OstTrace1( TRACE_NORMAL, DUP3_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - CImageDecoder failed;decErr=%d", decErr );
- LeaveIfCorruptL( decErr );
-
- // don't force any mime type
- TRAPD( decErr, iDecoder = CImageDecoder::DataNewL( iFs, *iBuffer, options ) );
- if ( decErr != KErrNone )
- {
- TN_DEBUG2( "CThumbnailImageDecoderv2::CImageDecoder() - CImageDecoder no mime error %d", decErr );
- OstTrace1( TRACE_NORMAL, DUP4_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - CImageDecoder no mime error;decErr=%d", decErr );
- User::Leave( decErr );
- }
- }
-
- TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() - CImageDecoder created" );
- OstTrace0( TRACE_NORMAL, DUP5_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - CImageDecoder created" );
- }
- else
- {
- TN_DEBUG1( "CThumbnailImageDecoderv2:CreateDecoderL() - SW CExtJpegDecoder created" );
- OstTrace0( TRACE_NORMAL, DUP6_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - SW CExtJpegDecoder created" );
- }
- }
- else
- {
- TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() - HW CExtJpegDecoder created" );
- OstTrace0( TRACE_NORMAL, DUP7_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - HW CExtJpegDecoder created" );
- }
-
- TN_DEBUG1( "CThumbnailImageDecoderv2::CreateDecoderL() end" );
- OstTrace0( TRACE_NORMAL, DUP8_CTHUMBNAILIMAGEDECODERV2_CREATEDECODERL, "CThumbnailImageDecoderv2::CreateDecoderL - end" );
- }
-
-// -----------------------------------------------------------------------------
-// CThumbnailImageDecoderv2::LeaveIfCorruptL()
-// Leave if image is corrupted
-// -----------------------------------------------------------------------------
-//
-void CThumbnailImageDecoderv2::LeaveIfCorruptL(const TInt aError )
- {
- //no sense to try other codecs if image is corrupted
- if( aError == KErrCorrupt || aError == KErrUnderflow)
- {
- User::Leave( aError );
- }
- }
-
-//End of file