/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
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 */

#pragma once

#include <drawinglayer/drawinglayerdllapi.h>

#include <drawinglayer/primitive2d/groupprimitive2d.hxx>


namespace drawinglayer::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 primitive when there is no
        // line geometry. In a further enhanced 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 final : public GroupPrimitive2D
        {
        public:
            explicit HiddenGeometryPrimitive2D(const Primitive2DContainer& 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 override;

            /// local decomposition. Implementation will return empty Primitive2DSequence
            virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override;

            // provide unique ID
            virtual sal_uInt32 getPrimitive2DID() const override;
        };
} // end of namespace drawinglayer::primitive2d


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