Quelle  canvasgraphichelper.hxx   Sprache: C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once

#include <com/sun/star/rendering/RenderState.hpp>
#include <basegfx/polygon/b2dpolypolygon.hxx>

#include <cppcanvas/canvasgraphic.hxx>
#include <cppcanvas/canvas.hxx>

#include <optional>


/* Definition of CanvasGraphicHelper class */

namespace cppcanvas::internal
    {

        class CanvasGraphicHelper : public virtual CanvasGraphic
        {
        public:
            CanvasGraphicHelper( CanvasSharedPtr xParentCanvas );

            // CanvasGraphic implementation
            virtual void                             setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) override;
            virtual void                             setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) override;
            virtual void                             setClip() override;
            virtual void                             setCompositeOp( sal_Int8 aOp ) override;

        protected:
            // for our clients
            // ===============
            const CanvasSharedPtr&                                               getCanvas() const {  return mpCanvas; }
            const css::rendering::RenderState&                                   getRenderState() const;

        private:
            mutable css::rendering::RenderState                                   maRenderState;

            std::optional<basegfx::B2DPolyPolygon>                              maClipPolyPolygon;
            CanvasSharedPtr                                                       mpCanvas;
        };

}

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