diff -r 79859ed3eea9 -r 919f36ff910f webengine/webkitutils/stmgesturefw/src/utils.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/webengine/webkitutils/stmgesturefw/src/utils.cpp Wed Sep 01 12:28:30 2010 +0100 @@ -0,0 +1,64 @@ +/* +* Copyright (c) 2008 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 "utils.h" + +#include // for CCoeEnv +#include // for CEikAppUi + +#include "gesturedefs.h" + +namespace stmUiEventEngine +{ + /** @return the longer edge of the size */ + inline TInt LongerEdge( const TSize& aSize ) + { + return Max( aSize.iHeight, aSize.iWidth ); + } + + // for documentation, see header file + TRect ToleranceRect( const TPoint& aCenterPoint ) + { + long toleranceLength = Mm2Pixels(KFingerSize_mm) / 2; + TRect toleranceRect( aCenterPoint, TSize() ); + // grow by the tolerance length, while keeping the center point + toleranceRect.Grow( toleranceLength, toleranceLength ); + return toleranceRect; + } + + long Twips2Pixels(long twips) + { + CWsScreenDevice* screen = CCoeEnv::Static()->ScreenDevice(); + TZoomFactor deviceMap(screen); + deviceMap.SetZoomFactor(TZoomFactor::EZoomOneToOne); + long px = deviceMap.VerticalTwipsToPixels(twips); //assuming that vertical + return px; //the same as horizontal + + } + + long Mm2Pixels(long mm) + { + return Twips2Pixels(mm * KTwipsInMm); + } + + long Inches2Pixels(float inches) + { + return Twips2Pixels(inches * KTwipsInInch); + } + + +} // namespace