office-gobmx/drawinglayer/source/processor2d/vclhelperbufferdevice.hxx
2008-10-17 08:40:10 +00:00

78 lines
2.7 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: vclhelperbufferdevice.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: aw $ $Date: 2008-05-27 14:11:22 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
#include <vcl/virdev.hxx>
//////////////////////////////////////////////////////////////////////////////
// predefines
namespace basegfx { class B2DRange; }
//////////////////////////////////////////////////////////////////////////////
// support methods for vcl direct gradient renderering
namespace drawinglayer
{
class impBufferDevice
{
OutputDevice& mrOutDev;
VirtualDevice maContent;
VirtualDevice* mpMask;
VirtualDevice* mpAlpha;
Rectangle maDestPixel;
public:
impBufferDevice(
OutputDevice& rOutDev,
const basegfx::B2DRange& rRange,
bool bAddOffsetToMapping);
~impBufferDevice();
void paint(double fTrans = 0.0);
bool isVisible() const { return !maDestPixel.IsEmpty(); }
VirtualDevice& getContent() { return maContent; }
VirtualDevice& getMask();
VirtualDevice& getAlpha();
};
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
// eof