imaging/imagingfws/MediaClientImage/Source/Client/Image/RotationPriv.cpp
changeset 0 5752a19fdefe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingfws/MediaClientImage/Source/Client/Image/RotationPriv.cpp	Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,110 @@
+// Copyright (c) 1998-2009 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:
+// ROTATION.CPP
+// 
+//
+
+#include <mdaimageconverter.h>
+#include "MdaImageConverterPriv.h"
+
+//
+// CMdaBitmapRotator
+//
+
+CMdaBitmapRotatorPriv* CMdaBitmapRotatorPriv::NewL()
+	{
+	CMdaBitmapRotatorPriv* self = new(ELeave) CMdaBitmapRotatorPriv;
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(); // self
+	return self;
+	}
+
+CMdaBitmapRotatorPriv::CMdaBitmapRotatorPriv():
+	CActive(CActive::EPriorityStandard)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CMdaBitmapRotatorPriv::ConstructL()
+	{
+	iBitmapRotator = CBitmapRotator::NewL();
+	}
+
+CMdaBitmapRotatorPriv::~CMdaBitmapRotatorPriv() 
+	{
+	Cancel();
+	delete iBitmapRotator;
+	}
+
+void CMdaBitmapRotatorPriv::RotateL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aSrcBitmap,CFbsBitmap& aTgtBitmap,CMdaBitmapRotator::TRotationAngle aAngle)
+	{
+	CancelRotation();
+
+	iObserver = &aObserver;
+
+	iBitmapRotator->Rotate(&iStatus, aSrcBitmap, aTgtBitmap, MapRotationAngle(aAngle));
+	SetActive();
+	}
+
+void CMdaBitmapRotatorPriv::RotateL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aBitmap,CMdaBitmapRotator::TRotationAngle aAngle)
+	{	
+	CancelRotation();
+
+	iObserver = &aObserver;
+
+	iBitmapRotator->Rotate(&iStatus, aBitmap, MapRotationAngle(aAngle));
+	SetActive();
+	}
+
+void CMdaBitmapRotatorPriv::CancelRotation()
+	{
+	Cancel();
+	}
+
+void CMdaBitmapRotatorPriv::RunL()
+	{
+	ASSERT(iObserver);
+	iObserver->MiuoConvertComplete(iStatus.Int());
+	}
+
+void CMdaBitmapRotatorPriv::DoCancel()
+	{
+	iBitmapRotator->Cancel();
+	}
+
+CBitmapRotator::TRotationAngle CMdaBitmapRotatorPriv::MapRotationAngle(CMdaBitmapRotator::TRotationAngle aAngle)
+	{
+	ASSERT(TInt(CBitmapRotator::ERotation90DegreesClockwise)==TInt(CMdaBitmapRotator::ERotation90DegreesClockwise));
+	ASSERT(TInt(CBitmapRotator::ERotation180DegreesClockwise)==TInt(CMdaBitmapRotator::ERotation180DegreesClockwise));
+	ASSERT(TInt(CBitmapRotator::ERotation270DegreesClockwise)==TInt(CMdaBitmapRotator::ERotation270DegreesClockwise));
+	ASSERT(TInt(CBitmapRotator::EMirrorHorizontalAxis)==TInt(CMdaBitmapRotator::EMirrorFlipHorizontal));
+	ASSERT(TInt(CBitmapRotator::EMirrorVerticalAxis)==TInt(CMdaBitmapRotator::EMirrorFlipVertical));
+
+	// We have to swap these flags over as they have different meanings in MDA and ICL
+	CBitmapRotator::TRotationAngle angle = CBitmapRotator::TRotationAngle(aAngle);
+	switch (aAngle)
+		{
+		case CMdaBitmapRotator::EMirrorFlipHorizontal:
+			angle = CBitmapRotator::EMirrorVerticalAxis;
+			break;
+		case CMdaBitmapRotator::EMirrorFlipVertical:
+			angle = CBitmapRotator::EMirrorHorizontalAxis;
+			break;
+		default:
+			// Do nothing
+			break;
+		}
+	return angle;
+	}