/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX
#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX

#include <drawinglayer/drawinglayerdllapi.h>

#include <drawinglayer/primitive2d/groupprimitive2d.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>



namespace drawinglayer
{
    namespace primitive2d
    {
        /** MaskPrimitive2D class

            This is the central masking primitive. It's a grouping
            primitive and contains a tools::PolyPolygon which defines the visible
            area. Only visualisation parts of the Child primitive sequence
            inside of the mask tools::PolyPolygon is defined to be visible.

            This primitive should be handled by a renderer. If it is not handled,
            it decomposes to its Child content, and thus the visualisation would
            contain no clips.

            The geometry range of this primitive is completely defined by the Mask
            tools::PolyPolygon since by definition nothing outside of the mask is visible.
         */
        class DRAWINGLAYER_DLLPUBLIC MaskPrimitive2D : public GroupPrimitive2D
        {
        private:
            /// the mask PolyPolygon
            basegfx::B2DPolyPolygon                 maMask;

        public:
            /// constructor
            MaskPrimitive2D(
                const basegfx::B2DPolyPolygon& rMask,
                const Primitive2DSequence& rChildren);

            /// data read access
            const basegfx::B2DPolyPolygon& getMask() const { return maMask; }

            /// compare operator
            virtual bool operator==(const BasePrimitive2D& rPrimitive) const SAL_OVERRIDE;

            /// get range
            virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;

            /// provide unique ID
            DeclPrimitive2DIDBlock()
        };
    } // end of namespace primitive2d
} // end of namespace drawinglayer



#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX

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