--- a/camerauis/cameraapp/generic/src/CamBurstThumbnailGridSizer.cpp Tue Feb 02 00:01:39 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,332 +0,0 @@
-/*
-* Copyright (c) 2007-2008 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: Class used to for resizing burst mode thumbnails*
-*/
-
-
-
-// INCLUDE FILES
-#include <e32base.h>
-#include <e32std.h>
-
-#include "CamBurstThumbnailGridSizer.h"
-#include "camlogging.h"
-
-
-
-
-
-// EXTERNAL DATA STRUCTURES
-
-// EXTERNAL FUNCTION PROTOTYPES
-
-// CONSTANTS
-
-// MACROS
-
-// LOCAL CONSTANTS AND MACROS
-
-// MODULE DATA STRUCTURES
-
-// LOCAL FUNCTION PROTOTYPES
-
-// FORWARD DECLARATIONS
-
-// ============================= LOCAL FUNCTIONS ===============================
-
-
-// ============================ MEMBER FUNCTIONS ===============================
-
-// -----------------------------------------------------------------------------
-// Symbian 2 phase constructor <<static>>
-// -----------------------------------------------------------------------------
-//
-CScaleTask*
-CScaleTask::NewL( const CFbsBitmap& aBitmap,
- const TSize& aSize,
- TInt32 aInfo )
- {
- CScaleTask* self = new (ELeave) CScaleTask( aSize, aInfo );
- CleanupStack::PushL( self );
- self->ConstructL( aBitmap );
- CleanupStack::Pop( self );
- return self;
- }
-
-// -----------------------------------------------------------------------------
-// CScaleTask destructor <<virtual>>
-// -----------------------------------------------------------------------------
-//
-CScaleTask::~CScaleTask()
- {
- delete iSrc;
- iSrc = NULL;
- }
-
-// -----------------------------------------------------------------------------
-// CScaleTask constructor <<virtual>>
-// -----------------------------------------------------------------------------
-//
-CScaleTask::CScaleTask( const TSize& aSize,
- TInt32 aInfo )
- : iSize ( aSize ),
- iInfo ( aInfo )
- {
- }
-
-// -----------------------------------------------------------------------------
-// CScaleTask::ConstructL
-// -----------------------------------------------------------------------------
-//
-void
-CScaleTask::ConstructL( const CFbsBitmap& aBitmap )
- {
- iSrc = new (ELeave) CFbsBitmap;
- User::LeaveIfError( iSrc->Duplicate( aBitmap.Handle() ) );
- }
-
-
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::CCamThumbnailGridSizer
-// C++ default constructor can NOT contain any code, that
-// might leave.
-// -----------------------------------------------------------------------------
-//
-CCamThumbnailGridSizer::CCamThumbnailGridSizer( MBitmapScaler* aObserver, TSize& aSize )
- : CActive( EPriorityStandard ),
- iThumbSize( aSize )
- {
- iObserver = aObserver;
- CActiveScheduler::Add(this);
- }
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::ConstructL
-// Symbian 2nd phase constructor can leave.
-// -----------------------------------------------------------------------------
-//
-void CCamThumbnailGridSizer::ConstructL()
- {
- iScaler = CBitmapScaler::NewL();
- }
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::NewL
-// Two-phased constructor.
-// -----------------------------------------------------------------------------
-//
-CCamThumbnailGridSizer* CCamThumbnailGridSizer::NewL( MBitmapScaler* aObserver, TSize& aSize )
- {
- CCamThumbnailGridSizer* self = new( ELeave ) CCamThumbnailGridSizer( aObserver, aSize );
-
- CleanupStack::PushL( self );
- self->ConstructL();
- CleanupStack::Pop();
-
- return self;
- }
-
-
-// -----------------------------------------------------------------------------
-// Destructor
-// -----------------------------------------------------------------------------
-//
-CCamThumbnailGridSizer::~CCamThumbnailGridSizer()
- {
- PRINT( _L("Camera => ~CCamThumbnailGridSizer") );
- Cancel();
- delete iScaler;
-
- // Delete any intermediate temporary bitmap
- delete iTmpBitmap;
-
- // Cancel all pending scaling operations
- iScaleTaskArray.ResetAndDestroy();
- PRINT( _L("Camera <= ~CCamThumbnailGridSizer") );
- }
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::SetSize
-// -----------------------------------------------------------------------------
-//
-void CCamThumbnailGridSizer::SetSize( const TSize aThumbSize )
- {
- PRINT2( _L("Camera == CCamThumbnailGridSizer::SetSize width = %d, height = %d"), aThumbSize.iWidth, aThumbSize.iHeight );
- iThumbSize.iWidth = aThumbSize.iWidth;
- iThumbSize.iHeight = aThumbSize.iHeight;
- }
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::StartScaleL
-// -----------------------------------------------------------------------------
-//
-void CCamThumbnailGridSizer::StartScaleL( const CFbsBitmap& aSrc )
- {
- PRINT( _L("Camera == CCamThumbnailGridSizer::StartScaleL") );
- // Forward request on with default destination size
- StartScaleL( aSrc, iThumbSize, 0 );
- }
-
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::StartScaleL
-// Allows specifying of specific size to go to where required.
-// -----------------------------------------------------------------------------
-//
-void CCamThumbnailGridSizer::StartScaleL( const CFbsBitmap& aSrc, TSize& aSize, TInt32 aInfo )
- {
- PRINT3(_L("Camera => CCamThumbnailGridSizer::StartScaleL size %d x %d info 0x%x"), aSize.iWidth, aSize.iHeight, aInfo );
-
- // Add it to the queue of things to scale
- CScaleTask* task = CScaleTask::NewL( aSrc, aSize, aInfo );
- CleanupStack::PushL( task );
- User::LeaveIfError( iScaleTaskArray.Append( task ) ); // takes ownership of "task"
- CleanupStack::Pop( task );
-
- StartScaleL( task );
- PRINT ( _L("Camera <= CCamThumbnailGridSizer::StartScaleL") );
- }
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::StartScaleL
-// Allows specifying of specific sizing task to start
-// -----------------------------------------------------------------------------
-//
-void CCamThumbnailGridSizer::StartScaleL( CScaleTask* aTask )
- {
- PRINT( _L("Camera => CCamThumbnailGridSizer::StartScaleL task") );
- // If scaling not currently underway, start it.
- // If scaler is busy, it will be started when current operation completes.
- if ( !IsActive() )
- {
- // Check that we don't have any temporary images floating around
- if ( iTmpBitmap )
- {
- delete iTmpBitmap;
- iTmpBitmap = NULL;
- }
-
- TSize trgSize( aTask->Size() );
- const TSize& bmpSize( aTask->Bitmap()->SizeInPixels() );
- TRect srcRect( bmpSize );
-
- TReal bmpRatio( TReal( bmpSize.iWidth ) / TReal( bmpSize.iHeight ) );
- TReal trgRatio( TReal( trgSize.iWidth ) / TReal( trgSize.iHeight ) );
-
- PRINT2( _L("Camera <> CCamThumbnailGridSizer - source size(%d,%d)"),
- bmpSize.iWidth, bmpSize.iHeight );
-
- PRINT2( _L("Camera <> CCamThumbnailGridSizer - target size(%d,%d)"),
- trgSize.iWidth, trgSize.iHeight );
-
- if( bmpRatio > trgRatio )
- {
- // Thumbnail aspect ratio is wider than the target size.
- // Scale initially to a size wider than target and then crop.
- trgSize.iWidth = Max( trgSize.iHeight * bmpRatio, 1 );
- }
- if( bmpRatio < trgRatio )
- {
- // Thumbnail aspect ratio is wider than the target size.
- // Scale initially to a size higher than target and then crop.
- trgSize.iHeight = Max( trgSize.iWidth * bmpRatio, 1 );
- }
-
- PRINT2( _L("Camera <> CCamThumbnailGridSizer - intermediate size(%d,%d)"),
- trgSize.iWidth, trgSize.iHeight );
-
-
- // Create a temporary bitmap
- iTmpBitmap = new ( ELeave ) CFbsBitmap();
- iTmpBitmap->Create( trgSize, aTask->Bitmap()->DisplayMode() );
-
-
- // Start the scaling operation
- iScaler->Scale( &iStatus,
- const_cast<CFbsBitmap&>(*aTask->Bitmap()),
- *iTmpBitmap,
- ETrue );
- SetActive();
- }
- PRINT( _L("Camera <= CCamThumbnailGridSizer::StartScaleL task") );
- }
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::DoCancel
-// -----------------------------------------------------------------------------
-//
-void CCamThumbnailGridSizer::DoCancel()
- {
- PRINT( _L("Camera => CCamThumbnailGridSizer::DoCancel") );
- iScaler->Cancel();
-
- // Delete any intermediate temporary bitmap
- if ( iTmpBitmap )
- {
- delete iTmpBitmap;
- iTmpBitmap = NULL;
- }
-
- // Cancel all pending scaling operations
- iScaleTaskArray.ResetAndDestroy();
- PRINT( _L("Camera <= CCamThumbnailGridSizer::DoCancel") );
- }
-
-// -----------------------------------------------------------------------------
-// CCamThumbnailGridSizer::RunL
-// -----------------------------------------------------------------------------
-//
-void CCamThumbnailGridSizer::RunL()
- {
- PRINT2( _L("Camera => CCamThumbnailGridSizer::RunL .. observer 0x%x err %d"), iObserver, iStatus.Int() );
- // If there is an observer, notify them of the scaling completion
- if ( iObserver )
- {
- PRINT1( _L("Camera <> CCamThumbnailGridSizer::RunL .. scale array count %d"), iScaleTaskArray.Count() );
- // Note; passing iTmpBitmap in this call is passing ownership of the
- // bitmap to the observer. This also places the restriction that there
- // can only be one observer to an implementation of the GridSizer, which
- // is fine for our requirements
- iObserver->BitmapScaleCompleteL( iStatus.Int(), iTmpBitmap, iScaleTaskArray[0]->Info() );
- iTmpBitmap = NULL;
- }
-
- CScaleTask* task = NULL;
- if ( iScaleTaskArray.Count() > 0 )
- {
- // Remove from the array and delete this (completed) task
- task = iScaleTaskArray[0];
- iScaleTaskArray.Remove(0);
- delete task;
- task = NULL;
- }
-
- // If completed successfully...
- // ... and there are more tasks on the queue...
- // ... and the task is valid, then do next task
- if ( iStatus.Int() == KErrNone &&
- iScaleTaskArray.Count() > 0 )
- {
- task = iScaleTaskArray[0];
- if ( task )
- {
- StartScaleL( task );
- }
- }
- PRINT ( _L("Camera <= CCamThumbnailGridSizer::RunL") );
- }
-
-
-// End of File