imaging/imagingfws/ImageDisplay/plugins/IclWrapper/MiscUtils.h
changeset 0 5752a19fdefe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingfws/ImageDisplay/plugins/IclWrapper/MiscUtils.h	Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,56 @@
+// Copyright (c) 2005-2009 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:
+//
+
+/**
+ @file
+ @internalComponent 
+*/
+
+
+#ifndef MISCUTILS_H
+
+#define MISCUTILS_H
+
+inline
+TInt MulDiv(TInt aRefNum, TInt aMul, TInt aDiv)
+	{
+	return I64INT(TInt64(aRefNum)	*aMul/aDiv);
+	}
+
+inline
+TSize ScaleSize(const TSize& aRefSize, const TSize& aSecondSize,const TSize& aToBeScaled)
+	{
+	return TSize(
+					MulDiv(aToBeScaled.iWidth , aRefSize.iWidth, aSecondSize.iWidth),
+					MulDiv(aToBeScaled.iHeight, aRefSize.iHeight,aSecondSize.iHeight)
+					);
+	}
+
+inline
+TBool IsSize2Exceeds1(const TSize& aRefSize,const TSize& aRefSize2)
+	{
+	return (aRefSize2.iWidth > aRefSize.iWidth || aRefSize2.iHeight > aRefSize.iHeight);
+	}
+
+inline
+void RotateSize(TSize& aSize, TUint aRotationOptions)
+	{
+	if (((aRotationOptions&CImageDisplay::EOptionRotateCw90)!=0) ^ ((aRotationOptions&CImageDisplay::EOptionRotateCw270)!=0))
+		{
+		aSize.SetSize(aSize.iHeight, aSize.iWidth);
+		}
+	}
+#endif // ndef MISCUTILS_H
+