imagingandcamerafws/imagingfws/BitmapTransform/src/BitmapConverter.cpp
changeset 0 40261b775718
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagingandcamerafws/imagingfws/BitmapTransform/src/BitmapConverter.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,116 @@
+// Copyright (c) 2001-2009 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:
+//
+
+#include "BitmapTransforms.h"
+#include "BitmapTransformsMain.h"
+#include "BitmapTransformsBody.h"
+#include "BitmapConverter.h"
+
+/*
+*
+* Creates a CBitmapConverter
+* 
+* NewL
+* @return CBitmapConverter*
+* @internalTechnology
+*
+*/
+EXPORT_C CBitmapConverter* CBitmapConverter::NewL()
+	{
+	CBitmapConverter* self = new(ELeave) CBitmapConverter();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+/*
+*
+* ~CBitmapConverter
+* @internalTechnology
+*
+*/
+EXPORT_C CBitmapConverter::~CBitmapConverter()
+	{
+	Cancel();
+	delete iBody;
+	}
+
+/*
+*
+* CBitmapConverter
+*
+*/
+CBitmapConverter::CBitmapConverter()
+	{
+	}
+
+/*
+*
+* ConvertL
+* @param aStatus
+* @param aDstBitmap
+* @param aSrcBitmap
+* @internalTechnology
+* @pre aRequestStatus is not NULL
+* @pre aSrcBitmap Handle is not zero
+* @pre aDstBitmap Handle is not zero 
+* @pre  iBody is not NULL
+* @post iBody is not NULL
+*
+*/
+EXPORT_C void CBitmapConverter::Convert(TRequestStatus* aStatus, CFbsBitmap& aDstBitmap, CFbsBitmap& aSrcBitmap)
+	{
+	//[ preconditions ]
+	__ASSERT_DEBUG( (aStatus != NULL), Panic( ENullArgument ) );
+	//[ panic if the src has not been created]
+	__ASSERT_DEBUG( (aSrcBitmap.Handle() != 0), Panic( ENoSourceBitmap ) );
+   	//[assert the invariant ]
+	__ASSERT_DEBUG( iBody, Panic( EBadInvariant ) );
+
+	//[ convert aSrcBitmap to aDstBitmap ]
+    iBody->Convert( aStatus, aDstBitmap, aSrcBitmap );  
+	
+	//[assert the invariant ]
+	__ASSERT_DEBUG( iBody, Panic( EBadInvariant ) );
+	}
+
+/*
+*
+* Cancels an outstanding operation
+* Cancel
+* @internalTechnology
+*
+*/
+EXPORT_C void CBitmapConverter::Cancel()
+	{
+	if(iBody)
+		iBody->Cancel();
+	}
+
+/*
+*
+* Constructs a CBitmapConverter
+*
+* ConstructL
+* @post invariant is true
+*
+*/
+void CBitmapConverter::ConstructL()
+	{
+	iBody = CBitmapConverter::CBody::NewL();
+	//[assert the invariant ]
+	__ASSERT_DEBUG( iBody, Panic( EBadInvariant ) );
+	}