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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_HIDDENGEOMETRYPRIMITIVE2D_HXX
#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_HIDDENGEOMETRYPRIMITIVE2D_HXX

#include <drawinglayer/drawinglayerdllapi.h>

#include <drawinglayer/primitive2d/groupprimitive2d.hxx>



namespace drawinglayer
{
    namespace primitive2d
    {
        // This primitive is used to represent geometry for non-visible objects,
        // e.g. a PresObj's outline. To still be able to use primitives for HitTest
        // functionality, the 2d decompositions will produce an as much as possible
        // simplified line geometry encapsulated in this primtive when there is no
        // line geometry. In a further enchanced version this may change to 'if neither
        // filled nor lines' creation criteria. The whole primitive decomposes to nothing,
        // so no one not knowing it will be influenced. Only helper processors for hit test
        // (and maybe BoundRect extractors) will use it and its children subcontent.
        class DRAWINGLAYER_DLLPUBLIC HiddenGeometryPrimitive2D : public GroupPrimitive2D
        {
        public:
            explicit HiddenGeometryPrimitive2D(const Primitive2DSequence& rChildren);

            // despite returning an empty decomposition since it's no visualisation data,
            // range calculation is intended to use hidden geometry, so
            // the local implementation will return the children's range
            virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;

            /// local decomposition. Implementation will return empty Primitive2DSequence
            virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const SAL_OVERRIDE;

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



#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_HIDDENGEOMETRYPRIMITIVE2D_HXX

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