--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/pagescaler/src/minimapscaler.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+*
+*/
+
+
+
+// INCLUDE FILES
+
+#include "minimapscaler.h"
+
+#include <fbs.h>
+#include <BitmapTransforms.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 ===============================
+
+// -----------------------------------------------------------------------------
+// CMinimapScaler::CMinimapScaler
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CMinimapScaler::CMinimapScaler(MMinimapScalerCallback& aCallback)
+ : CActive(CActive::EPriorityIdle-1), iCallback(&aCallback)
+ {
+ CActiveScheduler::Add(this);
+ }
+
+// -----------------------------------------------------------------------------
+// CMinimapScaler::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CMinimapScaler::ConstructL()
+ {
+ iScaler = CBitmapScaler::NewL();
+ }
+
+// -----------------------------------------------------------------------------
+// CMinimapScaler::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CMinimapScaler* CMinimapScaler::NewL(MMinimapScalerCallback& aCallback)
+ {
+ CMinimapScaler* self = new( ELeave ) CMinimapScaler(aCallback);
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop();
+
+ return self;
+ }
+
+
+// Destructor
+CMinimapScaler::~CMinimapScaler()
+ {
+ Cancel();
+ delete iScaler;
+ delete iResultBitmap;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CMinimapScaler::StartScalingL
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CMinimapScaler::StartScalingL(CFbsBitmap& aSource, const TRect& aTargetRect)
+ {
+ // cancel outstanding request
+ Cancel();
+
+ if (!iResultBitmap || iResultBitmap->SizeInPixels() != aTargetRect.Size())
+ {
+ DeleteResultBitmap();
+ // create target bitmap
+ iResultBitmap = new (ELeave) CFbsBitmap();
+ User::LeaveIfError(iResultBitmap->Create(aTargetRect.Size(),aSource.DisplayMode()));
+ }
+ // start scaling, async
+ iTargetRect = aTargetRect;
+ iScaler->Scale(&iStatus, aSource, *iResultBitmap, EFalse);
+
+ SetActive();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CMinimap::DeleteResultBitmap
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CMinimapScaler::DeleteResultBitmap()
+ {
+ delete iResultBitmap;
+ iResultBitmap = 0;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CMinimap::DoCancel
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CMinimapScaler::DoCancel()
+ {
+ iScaler->Cancel();
+ DeleteResultBitmap();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CMinimap::RunL
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CMinimapScaler::RunL()
+ {
+ iCallback->ScalingCompletedL(*iResultBitmap, iTargetRect);
+ // if the callback called StartScalingL(), we must not delete the bitmap
+ if (!IsActive())
+ {
+ DeleteResultBitmap();
+ }
+ }
+
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+
+// End of File