1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef _VCLCANVAS_BACKBUFFER_HXX_ 29*cdf0e10cSrcweir #define _VCLCANVAS_BACKBUFFER_HXX_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <vcl/virdev.hxx> 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir #include <canvas/vclwrapper.hxx> 34*cdf0e10cSrcweir #include "outdevprovider.hxx" 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir #include <boost/shared_ptr.hpp> 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir namespace vclcanvas 40*cdf0e10cSrcweir { 41*cdf0e10cSrcweir /// Background buffer abstraction 42*cdf0e10cSrcweir class BackBuffer : public OutDevProvider 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir public: 45*cdf0e10cSrcweir /** Create a backbuffer for given reference device 46*cdf0e10cSrcweir 47*cdf0e10cSrcweir @param bMonochromeBuffer 48*cdf0e10cSrcweir When false, default depth of reference device is 49*cdf0e10cSrcweir chosen. When true, the buffer will be monochrome, i.e. one 50*cdf0e10cSrcweir bit deep. 51*cdf0e10cSrcweir */ 52*cdf0e10cSrcweir BackBuffer( const OutputDevice& rRefDevice, 53*cdf0e10cSrcweir bool bMonochromeBuffer=false ); 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir virtual OutputDevice& getOutDev(); 56*cdf0e10cSrcweir virtual const OutputDevice& getOutDev() const; 57*cdf0e10cSrcweir 58*cdf0e10cSrcweir void setSize( const ::Size& rNewSize ); 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir private: 61*cdf0e10cSrcweir ::canvas::vcltools::VCLObject<VirtualDevice> maVDev; 62*cdf0e10cSrcweir }; 63*cdf0e10cSrcweir 64*cdf0e10cSrcweir typedef ::boost::shared_ptr< BackBuffer > BackBufferSharedPtr; 65*cdf0e10cSrcweir } 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir #endif /* #ifndef _VCLCANVAS_BACKBUFFER_HXX_ */ 68