diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicsdeviceinterface/screendriver/inc/BitDrawOrigin.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/graphics/graphicsdeviceinterface/screendriver/inc/BitDrawOrigin.h Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,57 @@ +// Copyright (c) 2004-2009 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: +// + +#ifndef __BITDRAWORIGIN_H__ +#define __BITDRAWORIGIN_H__ + +/** +MDrawDeviceOrigin interface manages the origin point of CFbsDrawDevice interface. + +The interface could be retrieved calling CFbsDrawDevice::GetInterface() with +KDrawDeviceOriginInterfaceID as an argument. +If the drawing device does not have support for moving origin, MDrawDeviceOrigin cannot be retrieved. + +MDrawDeviceOrigin interface lifetime is the same as the lifetime of CFbsDrawDevice +interface, which creates it. +Do not try to delete MDrawDeviceOrigin interface pointer! + +MDrawDeviceOrigin interface offers following methods: +Get(), Set(). + +@see CFbsDrawDevice +@internalTechnology +*/ +class MDrawDeviceOrigin + { +public: + /** + Sets the origin of the drawing device. By default drawing device origin is (0,0). + If you want to set the default origin, call Set() with (0,0) point coordinates. + @param aOrigin Specifies physical coordinates of the new origin + of the drawing device. The drawing device maps the logical point (0,0) to + the "aOrigin" physical point . + @return KErrNone success. + @internalTechnology + */ + virtual TInt Set(const TPoint& aOrigin) = 0; + /** + Retrieves origin point. + @param aOrigin Upon return contains origin point. + @internalTechnology + */ + virtual void Get(TPoint& aOrigin) = 0; + }; + +#endif//__BITDRAWORIGIN_H__