implcanvas.hxx

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#pragma once
 
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/rendering/ViewState.hpp>
#include <cppcanvas/canvas.hxx>
 
#include <optional>
#include <basegfx/polygon/b2dpolypolygon.hxx>
 
 
namespace basegfx
{
    class B2DHomMatrix;
    class B2DPolyPolygon;
}
 
namespace com::sun::star::rendering
{
    class  XCanvas;
}
 
 
/* Definition of ImplCanvas */
 
namespace cppcanvas::internal
{
 
        class ImplCanvas : public virtual Canvas
        {
        public:
            explicit ImplCanvas( css::uno::Reference< css::rendering::XCanvas > xCanvas );
            virtual ~ImplCanvas() override;
 
            ImplCanvas(ImplCanvas const &) = default;
            ImplCanvas(ImplCanvas &&) = default;
            ImplCanvas & operator =(ImplCanvas const &) = delete; // due to const mxCanvas
            ImplCanvas & operator =(ImplCanvas &&) = delete; // due to const mxCanvas
 
            virtual void                             setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) override;
            virtual ::basegfx::B2DHomMatrix          getTransformation() const override;
 
            virtual void                             setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) override;
            virtual void                             setClip() override;
            virtual ::basegfx::B2DPolyPolygon const* getClip() const override;
 
            virtual CanvasSharedPtr                  clone() const override;
 
            virtual void                             clear() const override;
 
            virtual css::uno::Reference<
                css::rendering::XCanvas >            getUNOCanvas() const override;
 
            virtual css::rendering::ViewState        getViewState() const override;
 
        private:
            mutable css::rendering::ViewState                    maViewState;
            std::optional<basegfx::B2DPolyPolygon>             maClipPolyPolygon;
            const css::uno::Reference< css::rendering::XCanvas > mxCanvas;
        };
 
}
 
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