Quelle obj3d.hxx Sprache: C

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#ifndef INCLUDED_SVX_OBJ3D_HXX
#define INCLUDED_SVX_OBJ3D_HXX

#include <svx/svdoattr.hxx>
#include <svx/svdobj.hxx>
#include <svx/svdgeodata.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <basegfx/range/b3drange.hxx>
#include <basegfx/polygon/b3dpolypolygon.hxx>
#include <svx/svxdllapi.h>

// Forward declarations
class E3dScene;

namespace sdr::properties {
    class E3dCompoundProperties;
    class E3dExtrudeProperties;
    class E3dLatheProperties;
    class E3dSphereProperties;
}

/*************************************************************************
|*
|* GeoData relevant for undo actions
|*
\************************************************************************/

class E3DObjGeoData : public SdrObjGeoData
{
public:
    basegfx::B3DRange           maLocalBoundVol;    // surrounding volume of the object
    basegfx::B3DHomMatrix       maTransformation;   // local transformations

    E3DObjGeoData() {}
};

/*************************************************************************
|*
|* Base class for 3D objects
|*
\************************************************************************/

class SVXCORE_DLLPUBLIC E3dObject : public SdrAttrObj
{
private:
    // Allow everything for E3dObjList and E3dDragMethod
    friend class E3dDragMethod;

protected:
    virtual std::unique_ptr<sdr::properties::BaseProperties> CreateObjectSpecificProperties() override;

    basegfx::B3DRange           maLocalBoundVol;    // surrounding volume of the object (from the geometry generation)
    basegfx::B3DHomMatrix       maTransformation;   // local transformation
    basegfx::B3DHomMatrix       maFullTransform;    // global transformation (including. parents)

    // Flags
    bool            mbTfHasChanged          : 1;
    bool            mbIsSelected            : 1;

protected:
    virtual basegfx::B3DRange RecalcBoundVolume() const;

    // E3dObject is only a helper class (for E3DScene and E3DCompoundObject)
    // and no instances should be created from anyone, so i move the constructors
    // to protected area
    E3dObject(SdrModel& rSdrModel);
    E3dObject(SdrModel& rSdrModel, E3dObject const & rSource);

    // protected destructor
    virtual ~E3dObject() override;

public:
    virtual void StructureChanged();
    virtual void SetTransformChanged();
    virtual void RecalcSnapRect() override;

    virtual SdrInventor GetObjInventor() const override;
    virtual SdrObjKind GetObjIdentifier() const override;
    virtual void        TakeObjInfo(SdrObjTransformInfoRec& rInfo) const override;
    virtual void        NbcMove(const Size& rSize) override;
    virtual void NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact) override;

    E3dScene* getParentE3dSceneFromE3dObject() const;
    virtual E3dScene* getRootE3dSceneFromE3dObject() const;

    const basegfx::B3DRange& GetBoundVolume() const;
    void InvalidateBoundVolume();

    // calculate complete transformation including all parents
    const basegfx::B3DHomMatrix& GetFullTransform() const;

    // get and (re)set transformation matrix
    const basegfx::B3DHomMatrix& GetTransform() const { return maTransformation;}
    virtual void NbcSetTransform(const basegfx::B3DHomMatrix& rMatrix);
    virtual void SetTransform(const basegfx::B3DHomMatrix& rMatrix);

    // 2D rotations, are implemented as a rotation around the Z axis
    // which is vertical to the screen, plus a shift of the scene.
    // This means that also the scene (E3dScene) must define this
    // routine as virtual in its class.
    virtual void NbcRotate(const Point& rRef, Degree100 nAngle, double sn, double cs) override;

    // get wireframe polygon for local object. No transform is applied.
    basegfx::B3DPolyPolygon CreateWireframe() const;

    // TakeObjName...() is for the display in the UI, for example "3 frames selected".
    virtual OUString TakeObjNameSingul() const override;
    virtual OUString TakeObjNamePlural() const override;
    virtual rtl::Reference<SdrObject> CloneSdrObject(SdrModel& rTargetModel) const override;

    virtual std::unique_ptr<SdrObjGeoData> NewGeoData() const override;
    virtual void          SaveGeoData(SdrObjGeoData& rGeo) const override;
    virtual void          RestoreGeoData(const SdrObjGeoData& rGeo) override;

    // get/set the selection
    bool GetSelected() const { return mbIsSelected; }
    virtual void SetSelected(bool bNew);

    // break up
    virtual bool IsBreakObjPossible();
    virtual rtl::Reference<SdrAttrObj> GetBreakObj();
};

/*************************************************************************
|*
|* Class for all compound objects (Cube, Lathe, Scene, Extrude)
|* This class saves some ISA queries and accelerates the behaviour
|* significantly, because all the attributes etc. are kept through this.
|* The polygons may only keep attributes if they are directly
|* subordinated to the scene.
|*
\************************************************************************/

class SVXCORE_DLLPUBLIC E3dCompoundObject : public E3dObject
{
private:
    // to allow sdr::properties::E3dCompoundProperties access to SetGeometryValid()
    friend class sdr::properties::E3dCompoundProperties;
    friend class sdr::properties::E3dExtrudeProperties;
    friend class sdr::properties::E3dLatheProperties;
    friend class sdr::properties::E3dSphereProperties;

protected:
    virtual std::unique_ptr<sdr::properties::BaseProperties> CreateObjectSpecificProperties() override;

protected:
    // convert given basegfx::B3DPolyPolygon to screen coor
    basegfx::B2DPolyPolygon TransformToScreenCoor(const basegfx::B3DPolyPolygon& rCandidate) const;

    // protected destructor
    virtual ~E3dCompoundObject() override;

public:
    E3dCompoundObject(SdrModel& rSdrModel, E3dCompoundObject const & rSource);
    E3dCompoundObject(SdrModel& rSdrModel);

    virtual basegfx::B2DPolyPolygon TakeXorPoly() const override;
    virtual sal_uInt32 GetHdlCount() const override;
    virtual void    AddToHdlList(SdrHdlList& rHdlList) const override;

    virtual SdrObjKind GetObjIdentifier() const override;
    virtual void RecalcSnapRect() override;

    virtual rtl::Reference<SdrObject> CloneSdrObject(SdrModel& rTargetModel) const override;
};

#endif // INCLUDED_SVX_OBJ3D_HXX

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