scene3d.hxx

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#ifndef INCLUDED_SVX_SCENE3D_HXX
#define INCLUDED_SVX_SCENE3D_HXX
 
#include <svx/camera3d.hxx>
#include <tools/b3dtrans.hxx>
#include <svx/svdpage.hxx>
#include <svx/svxdllapi.h>
#include <svx/obj3d.hxx>
#include <svx/svx3ditems.hxx>
#include <memory>
 
namespace sdr::properties {
    class BaseProperties;
}
 
/*************************************************************************
|*
|* GeoData relevant for undo actions
|*
\************************************************************************/
 
class E3DSceneGeoData final : public E3DObjGeoData
{
public:
    Camera3D                    aCamera;
 
    E3DSceneGeoData() {}
};
 
class Imp3DDepthRemapper;
 
/*************************************************************************
|*
|* base class for 3D scenes
|*
\************************************************************************/
 
class SVXCORE_DLLPUBLIC E3dScene final : public E3dObject, public SdrObjList
{
    virtual std::unique_ptr<sdr::properties::BaseProperties> CreateObjectSpecificProperties() override;
    virtual std::unique_ptr<sdr::contact::ViewContact> CreateObjectSpecificViewContact() override;
 
    // transformations
    B3dCamera                   aCameraSet;
    Camera3D                    aCamera;
 
    mutable std::unique_ptr<Imp3DDepthRemapper> mp3DDepthRemapper;
 
    // Flag to determine if only selected objects should be drawn
    bool                        bDrawOnlySelected       : 1;
 
    bool mbSkipSettingDirty : 1;
 
    void RebuildLists();
 
    virtual void Notify(SfxBroadcaster &rBC, const SfxHint  &rHint) override;
 
    void SetDefaultAttributes();
    void ImpCleanup3DDepthMapper();
 
public:
    E3dScene(SdrModel& rSdrModel);
    E3dScene(SdrModel& rSdrModel, E3dScene const &);
    virtual ~E3dScene() override;
 
    virtual void StructureChanged() override;
 
    // derived from SdrObjList
    virtual SdrPage* getSdrPageFromSdrObjList() const override;
    virtual SdrObject* getSdrObjectFromSdrObjList() const override;
 
    // derived from SdrObject
    virtual SdrObjList* getChildrenOfSdrObject() const override;
 
    virtual void SetBoundRectDirty() override;
 
    virtual basegfx::B2DPolyPolygon TakeXorPoly() const override;
 
    sal_uInt32 RemapOrdNum(sal_uInt32 nOrdNum) const;
 
    // Perspective: enum ProjectionType { ProjectionType::Parallel, ProjectionType::Perspective }
    ProjectionType GetPerspective() const
        { return static_cast<ProjectionType>(GetObjectItemSet().Get(SDRATTR_3DSCENE_PERSPECTIVE).GetValue()); }
 
    // Distance:
    double GetDistance() const
        { return static_cast<double>(GetObjectItemSet().Get(SDRATTR_3DSCENE_DISTANCE).GetValue()); }
 
    // Focal length: before cm, now 1/10th mm (*100)
    double GetFocalLength() const
        { return GetObjectItemSet().Get(SDRATTR_3DSCENE_FOCAL_LENGTH).GetValue(); }
 
    // set flag to draw only selected
    void SetDrawOnlySelected(bool bNew) { bDrawOnlySelected = bNew; }
    bool GetDrawOnlySelected() const { return bDrawOnlySelected; }
    virtual SdrObjKind GetObjIdentifier() const override;
 
    virtual void    NbcSetSnapRect(const tools::Rectangle& rRect) override;
    virtual void    NbcMove(const Size& rSize) override;
    virtual void    NbcResize(const Point& rRef, const Fraction& rXFact,
                                                 const Fraction& rYFact) override;
    virtual void    RecalcSnapRect() override;
 
    virtual E3dScene* getRootE3dSceneFromE3dObject() const override;
    void SetCamera(const Camera3D& rNewCamera);
    const Camera3D& GetCamera() const { return aCamera; }
    void removeAllNonSelectedObjects();
 
    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;
 
    virtual void NbcSetTransform(const basegfx::B3DHomMatrix& rMatrix) override;
    virtual void SetTransform(const basegfx::B3DHomMatrix& rMatrix) override;
 
    virtual void NbcRotate(const Point& rRef, Degree100 nAngle, double sn, double cs) override;
    void RotateScene(const Point& rRef, double sn, double cs);
 
    // TakeObjName...() is for the display in the UI, for example "3 frames selected".
    virtual OUString TakeObjNameSingul() const override;
    virtual OUString TakeObjNamePlural() const override;
 
    // get transformations
    B3dCamera& GetCameraSet() { return aCameraSet; }
    const B3dCamera& GetCameraSet() const { return aCameraSet; }
 
    // break up
    virtual bool IsBreakObjPossible() override;
 
    // polygon which is built during creation
    virtual basegfx::B2DPolyPolygon TakeCreatePoly(const SdrDragStat& rDrag) const override;
 
    // create moves
    virtual bool BegCreate(SdrDragStat& rStat) override;
    virtual bool MovCreate(SdrDragStat& rStat) override; // true=Xor must be repainted
    virtual bool EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd) override;
    virtual bool BckCreate(SdrDragStat& rStat) override;
    virtual void BrkCreate(SdrDragStat& rStat) override;
 
    void SuspendReportingDirtyRects();
    void ResumeReportingDirtyRects();
    void SetAllSceneRectsDirty();
 
    // set selection from E3dObject (temporary flag for 3D actions)
    virtual void SetSelected(bool bNew) override;
 
    // derived from SdrObjList
    virtual void NbcInsertObject(SdrObject* pObj, size_t nPos=SAL_MAX_SIZE) override;
    virtual void InsertObject(SdrObject* pObj, size_t nPos=SAL_MAX_SIZE) override;
    virtual rtl::Reference<SdrObject> NbcRemoveObject(size_t nObjNum) override;
    virtual rtl::Reference<SdrObject> RemoveObject(size_t nObjNum) override;
 
    // needed for group functionality
    virtual void SetBoundAndSnapRectsDirty(bool bNotMyself = false, bool bRecursive = true) override;
    virtual void NbcSetLayer(SdrLayerID nLayer) override;
 
    // react on model/page change
    virtual void handlePageChange(SdrPage* pOldPage, SdrPage* pNewPage) override;
 
    virtual SdrObjList* GetSubList() const override;
    virtual void SetTransformChanged() override;
 
private:
    virtual basegfx::B3DRange RecalcBoundVolume() const override;
};
 
#endif // INCLUDED_SVX_SCENE3D_HXX
 
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