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path: root/drawinglayer/inc/drawinglayer/processor2d/canvasprocessor.hxx
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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 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
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _DRAWINGLAYER_PROCESSOR_CANVASPROCESSOR_HXX
#define _DRAWINGLAYER_PROCESSOR_CANVASPROCESSOR_HXX

#include <drawinglayer/processor2d/baseprocessor2d.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/color/bcolormodifier.hxx>
#include <svtools/optionsdrawinglayer.hxx>
#include <com/sun/star/rendering/ViewState.hpp>
#include <com/sun/star/rendering/RenderState.hpp>
#include <i18npool/lang.h>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <vcl/mapmod.hxx>

//////////////////////////////////////////////////////////////////////////////
// forward declaration

namespace basegfx {
    class BColor;
    class B2DPolygon;
}

namespace com { namespace sun { namespace star { namespace rendering {
    class XCanvas;
    class XPolyPolygon2D;
}}}}

namespace drawinglayer { namespace primitive2d {
    class MaskPrimitive2D;
    class MetafilePrimitive2D;
    class TextSimplePortionPrimitive2D;
    class BitmapPrimitive2D;
    class AlphaPrimitive2D;
    class PolygonStrokePrimitive2D;
    class FillBitmapPrimitive2D;
    class UnifiedAlphaPrimitive2D;
}}

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

namespace drawinglayer
{
    namespace processor2d
    {
        class canvasProcessor2D : public BaseProcessor2D
        {
        private:
            // The Pixel renderer resets the original MapMode from the OutputDevice.
            // For some situations it is necessary to get it again, so it is rescued here
            MapMode                                                 maOriginalMapMode;

            // the (current) destination OutDev and canvas
            OutputDevice*                                           mpOutputDevice;
            com::sun::star::uno::Reference< com::sun::star::rendering::XCanvas >    mxCanvas;
            com::sun::star::rendering::ViewState                    maViewState;
            com::sun::star::rendering::RenderState                  maRenderState;

            // the modifiedColorPrimitive stack
            basegfx::BColorModifierStack                            maBColorModifierStack;

            // SvtOptionsDrawinglayer incarnation to react on diverse settings
            const SvtOptionsDrawinglayer                            maDrawinglayerOpt;

            // the current clipping PolyPolygon from MaskPrimitive2D, always in
            // object coordinates
            basegfx::B2DPolyPolygon                                 maClipPolyPolygon;

            // determined LanguageType
            LanguageType                                            meLang;

            // as tooling, the process() implementation takes over API handling and calls this
            // virtual render method when the primitive implementation is BasePrimitive2D-based.
            virtual void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate);

            // direct primitive renderer support
            void impRenderMaskPrimitive2D(const primitive2d::MaskPrimitive2D& rMaskCandidate);
            void impRenderMetafilePrimitive2D(const primitive2d::MetafilePrimitive2D& rMetaCandidate);
            void impRenderTextSimplePortionPrimitive2D(const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate);
            void impRenderBitmapPrimitive2D(const primitive2d::BitmapPrimitive2D& rBitmapCandidate);
            void impRenderAlphaPrimitive2D(const primitive2d::AlphaPrimitive2D& rAlphaCandidate);
            void impRenderPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokePrimitive);
            void impRenderFillBitmapPrimitive2D(const primitive2d::FillBitmapPrimitive2D& rFillBitmapPrimitive2D);
            void impRenderUnifiedAlphaPrimitive2D(const primitive2d::UnifiedAlphaPrimitive2D& rUniAlphaCandidate);

        public:
            canvasProcessor2D(
                const geometry::ViewInformation2D& rViewInformation,
                OutputDevice& rOutDev);
            virtual ~canvasProcessor2D();

            // access to Drawinglayer configuration options
            const SvtOptionsDrawinglayer& getOptionsDrawinglayer() const { return maDrawinglayerOpt; }
        };
    } // end of namespace processor2d
} // end of namespace drawinglayer

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

#endif //_DRAWINGLAYER_PROCESSOR_CANVASPROCESSOR_HXX

// eof