--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/src/cameracontroller/cambitmapscaler.cpp	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,212 @@
+/*
+* Copyright (c) 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:  Implementation of Camera Bitmap Scaler
+*
+*/
+
+
+
+
+#include <bitmaptransforms.h>
+#include "camlogging.h"
+#include "cambitmapscaler.h"
+
+// ===========================================================================
+// Local constants
+
+namespace NCamCameraController
+  {
+  static const TInt KPriority = CActive::EPriorityHigh;
+  }
+
+using namespace NCamCameraController;
+
+// ===========================================================================
+// public constructor and destructor
+
+// ---------------------------------------------------------------------------
+// 2 phase constructor
+// ---------------------------------------------------------------------------
+//
+CCamBitmapScaler* 
+CCamBitmapScaler::NewL( MCamBitmapScalerObserver& aObserver )
+  {
+  CCamBitmapScaler* self = 
+      new (ELeave) CCamBitmapScaler( aObserver );
+
+  CleanupStack::PushL( self );
+  self->ConstructL();
+  CleanupStack::Pop( self );
+
+  return self;  
+  }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CCamBitmapScaler::~CCamBitmapScaler()
+  {
+  PRINT( _L("Camera => ~CCamBitmapScaler") );
+  Cancel();
+
+  delete iScaledBitmap;
+  delete iScaler;
+
+  PRINT( _L("Camera <= ~CCamBitmapScaler") );
+  }
+
+// ===========================================================================
+// public methods
+
+
+// ---------------------------------------------------------------------------
+// InitScalingL
+// ---------------------------------------------------------------------------
+//
+void 
+CCamBitmapScaler::InitScalingL( const TSize&        aTargetSize,
+                                const TDisplayMode& aTargetDisplayMode,
+                                      TBool         aMaintainAspect )
+  {
+  PRINT( _L("Camera => CCamBitmapScaler::InitScalingL") );
+  Cancel();
+
+  if( !iScaledBitmap ) iScaledBitmap = new (ELeave) CFbsBitmap;
+  else                 iScaledBitmap->Reset();
+  
+  PRINT3( _L("Camera <> Create bitmap, size(%d,%d), mode(%d)"), 
+          aTargetSize.iWidth, 
+          aTargetSize.iHeight, 
+          aTargetDisplayMode );
+
+  User::LeaveIfError( iScaledBitmap->Create( aTargetSize, 
+                                             aTargetDisplayMode ) );
+
+  iMaintainAspect = aMaintainAspect;
+  PRINT( _L("Camera <= CCamBitmapScaler::InitScalingL") );
+  }
+
+
+// ---------------------------------------------------------------------------
+// StartScaling
+// ---------------------------------------------------------------------------
+//
+void CCamBitmapScaler::StartScaling( CFbsBitmap& aSourceBitmap )
+  {
+  PRINT( _L("Camera => CCamBitmapScaler::StartScaling") );
+
+  Cancel();
+
+  iScaler->Scale( &iStatus, aSourceBitmap, *iScaledBitmap, iMaintainAspect );
+  SetActive();
+
+  PRINT( _L("Camera <= CCamBitmapScaler::StartScaling") );
+  }
+
+
+// ===========================================================================
+// from CActive
+
+// ---------------------------------------------------------------------------
+// virtual 
+// ---------------------------------------------------------------------------
+//
+void 
+CCamBitmapScaler::DoCancel()
+  {
+  PRINT( _L("Camera => CCamBitmapScaler::DoCancel") );
+
+  if( iScaler )
+    {
+    iScaler->Cancel();
+    }
+
+  PRINT( _L("Camera <= CCamBitmapScaler::DoCancel") );
+  }
+
+
+// ---------------------------------------------------------------------------
+// virtual 
+// ---------------------------------------------------------------------------
+//
+void 
+CCamBitmapScaler::RunL()
+  {
+  PRINT1( _L("Camera => CCamBitmapScaler::RunL, iStatus:%d"), iStatus.Int() );
+
+  switch( iStatus.Int() )
+    {
+    case KErrNone :
+      {
+      iObserver.BitmapScaled( iStatus.Int(), iScaledBitmap );
+      break;
+      }
+    default :
+      {
+      User::Leave( iStatus.Int() );
+      break;
+      }
+    }
+
+  PRINT( _L("Camera <= CCamBitmapScaler::RunL") );
+  }
+
+
+// ---------------------------------------------------------------------------
+// virtual 
+// ---------------------------------------------------------------------------
+//
+TInt 
+CCamBitmapScaler::RunError( TInt aError )
+  {
+  PRINT1( _L("Camera => CCamBitmapScaler::RunError(%d)"), aError );
+
+  // Leave has occurred in RunL.
+  // Notify observer with error.
+  iObserver.BitmapScaled( aError, NULL );
+
+  PRINT( _L("Camera <= CCamBitmapScaler::RunError") );
+  return KErrNone;
+  }
+
+
+// ===========================================================================
+// private constructors
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void
+CCamBitmapScaler::ConstructL()
+  {
+  CActiveScheduler::Add( this );
+
+  iScaler = CBitmapScaler::NewL();
+  }
+
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CCamBitmapScaler::CCamBitmapScaler( MCamBitmapScalerObserver& aObserver )
+  : CActive( KPriority  ),
+    iObserver( aObserver )
+  {
+  }
+
+// end of file