diff -r 000000000000 -r 15bf7259bb7c uiaccelerator_plat/alf_core_toolkit_api/inc/uiacceltk/HuiRealSize.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uiaccelerator_plat/alf_core_toolkit_api/inc/uiacceltk/HuiRealSize.h Tue Feb 02 07:56:43 2010 +0200 @@ -0,0 +1,80 @@ +/* +* Copyright (c) 2006-2007 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: ?Description +* +*/ + + + +#ifndef __HUIREALSIZE_H__ +#define __HUIREALSIZE_H__ + +/** + * Rounds a float (TReal32) correctly into an integer (TInt). Takes care of both negative + * and positive real number. + */ +#define HUI_ROUND_FLOAT_TO_INT(a) (a < 0 ? (TInt(a - 0.5f)) : (TInt(a + 0.5f))) + + +/** + * 2D floating-point size. + */ +NONSHARABLE_CLASS(THuiRealSize) + { +public: + inline THuiRealSize() + : iWidth(0), iHeight(0) + { + } + + inline THuiRealSize(TReal32 aWidth, TReal32 aHeight) + : iWidth(aWidth), iHeight(aHeight) + { + } + + inline THuiRealSize(const TSize& aSize) + : iWidth((TReal32)aSize.iWidth), iHeight((TReal32)aSize.iHeight) + { + } + + inline operator TSize() const + { + // here is a rounding error! + return TSize((TInt)iWidth, (TInt)iHeight); + } + + inline TSize Round() const + { + TSize rounded; + rounded.iWidth = HUI_ROUND_FLOAT_TO_INT( iWidth ); + rounded.iHeight = HUI_ROUND_FLOAT_TO_INT( iHeight ); + return rounded; + } + + inline THuiRealSize operator * (TReal32 aFactor) const + { + return THuiRealSize(iWidth * aFactor, iHeight * aFactor); + } + +public: + + /** Width. */ + TReal32 iWidth; + + /** Height. */ + TReal32 iHeight; + + }; + +#endif // __HUIREALSIZE_H__