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#ifndef INCLUDED_SVX_SDR_CONTACT_VIEWCONTACTOFE3DSCENE_HXX
#define INCLUDED_SVX_SDR_CONTACT_VIEWCONTACTOFE3DSCENE_HXX

#include <svx/scene3d.hxx>
#include <svx/sdr/contact/viewcontactofsdrobj.hxx>
#include <drawinglayer/primitive3d/baseprimitive3d.hxx>
#include <drawinglayer/attribute/sdrsceneattribute3d.hxx>
#include <drawinglayer/attribute/sdrlightingattribute3d.hxx>
#include <drawinglayer/geometry/viewinformation3d.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>

namespace basegfx {
    class B3DRange;
}

namespace sdr { namespace contact {

class SVX_DLLPUBLIC ViewContactOfE3dScene : public ViewContactOfSdrObj
{
protected:
    // Create a Object-Specific ViewObjectContact, set ViewContact and
    // ObjectContact. Always needs to return something. Default is to create
    // a standard ViewObjectContact containing the given ObjectContact and *this
    virtual ViewObjectContact& CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact) override;

public:
    // basic constructor, used from SdrObject.
    explicit ViewContactOfE3dScene(E3dScene& rScene);

    // access to SdrObject
    const E3dScene& GetE3dScene() const
    {
        return static_cast<const E3dScene&>(GetSdrObject());
    }

    // React on changes of the object of this ViewContact
    virtual void ActionChanged() override;

    // access to ViewInformation3D and ObjectTransformation
    const drawinglayer::geometry::ViewInformation3D& getViewInformation3D(const ::basegfx::B3DRange& rContentRange) const;
    const drawinglayer::geometry::ViewInformation3D& getViewInformation3D() const;
    const basegfx::B2DHomMatrix& getObjectTransformation() const;

    // attribute providers
    const drawinglayer::attribute::SdrSceneAttribute& getSdrSceneAttribute() const;
    const drawinglayer::attribute::SdrLightingAttribute& getSdrLightingAttribute() const;

    // scene primitive creators. If pLayerVisibility is given, a visibility test with the LayerID and the
    // given SetOfByte is done.
    drawinglayer::primitive2d::Primitive2DSequence createScenePrimitive2DSequence(const SetOfByte* pLayerVisibility) const;

    // helpers to get the sequence of all contained 3D primitives and its range,
    // regardless of layer or visibility constraints and using a neutral ViewInformation3D
    drawinglayer::primitive3d::Primitive3DSequence getAllPrimitive3DSequence() const;
    basegfx::B3DRange getAllContentRange3D() const;

protected:
    // the 3d transformation stack
    drawinglayer::geometry::ViewInformation3D           maViewInformation3D;

    // the object transformation
    basegfx::B2DHomMatrix                               maObjectTransformation;

    // attributes
    drawinglayer::attribute::SdrSceneAttribute          maSdrSceneAttribute;
    drawinglayer::attribute::SdrLightingAttribute       maSdrLightingAttribute;

    // create methods for ViewInformation3D and ObjectTransformation
    void createViewInformation3D(const ::basegfx::B3DRange& rContentRange);
    void createObjectTransformation();

    // attribute creators
    void createSdrSceneAttribute();
    void createSdrLightingAttribute();

    // This method is responsible for creating the graphical visualisation data
    // ONLY based on model data
    virtual drawinglayer::primitive2d::Primitive2DSequence createViewIndependentPrimitive2DSequence() const override;
};

}}

#endif // INCLUDED_SVX_SDR_CONTACT_VIEWCONTACTOFE3DSCENE_HXX

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