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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * Copyright 2000, 2010 Oracle and/or its affiliates.
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 * OpenOffice.org - a multi-platform office productivity suite
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
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#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& getTransparence();
    };
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////

#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */