svdocirc.hxx

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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <svx/svdorect.hxx>
#include <svx/svxdllapi.h>
 
namespace sdr::properties {
    class CircleProperties;
}
 
// Helper class SdrCircObjGeoData
 
class SdrCircObjGeoData final : public SdrTextObjGeoData
{
public:
    Degree100     nStartAngle;
    Degree100     nEndAngle;
};
 
enum class SdrCircKind { Full, Section, Cut, Arc };
 
extern SVXCORE_DLLPUBLIC SdrCircKind ToSdrCircKind(SdrObjKind);
 
 
class SVXCORE_DLLPUBLIC SdrCircObj final : public SdrRectObj
{
private:
    // to allow sdr::properties::CircleProperties access to ImpSetAttrToCircInfo()
    friend class sdr::properties::CircleProperties;
 
    virtual std::unique_ptr<sdr::contact::ViewContact> CreateObjectSpecificViewContact() override;
    virtual std::unique_ptr<sdr::properties::BaseProperties> CreateObjectSpecificProperties() override;
 
    SdrCircKind                 meCircleKind;
    Degree100                   nStartAngle;
    Degree100                   nEndAngle;
 
    SVX_DLLPRIVATE basegfx::B2DPolygon ImpCalcXPolyCirc(const SdrCircKind eKind, const tools::Rectangle& rRect1, Degree100 nStart, Degree100 nEnd) const;
    SVX_DLLPRIVATE static void ImpSetCreateParams(SdrDragStat& rStat);
    SVX_DLLPRIVATE void ImpSetAttrToCircInfo(); // copy values from pool
    SVX_DLLPRIVATE void ImpSetCircInfoToAttr(); // copy values into pool
 
    // returns sal_True if paint requires a XPolygon
    SVX_DLLPRIVATE bool PaintNeedsXPolyCirc() const; // PaintNeedsXPoly-> PaintNeedsXPolyCirc
    SVX_DLLPRIVATE virtual void RecalcXPoly() override;
 
    virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
 
private:
    // protected destructor - due to final, make private
    virtual ~SdrCircObj() override;
 
public:
    SdrCircObj(
        SdrModel& rSdrModel,
        SdrCircKind eNewKind);
    SdrCircObj(
        SdrModel& rSdrModel,
        SdrCircKind eNewKind,
        const tools::Rectangle& rRect);
    // Copy constructor
    SdrCircObj(SdrModel& rSdrModel, SdrCircObj const & rSource);
 
    // 0=0.00Deg=3h 9000=90.00Deg=12h 18000=180.00Deg=9h 27000=270.00Deg=6h
    // The circle is build up from StartAngle to EndWink anti-clockwise.
    // If nNewStartAngle==nNewEndWink, then arc has an angle of 0 degrees.
    // If nNewStartAngle+36000==nNewEndWink, then the arc has angle of 360 degrees.
    SdrCircObj(
        SdrModel& rSdrModel,
        SdrCircKind eNewKind,
        const tools::Rectangle& rRect,
        Degree100 nNewStartAngle,
        Degree100 nNewEndAngle);
 
    SdrCircKind GetCircleKind() const { return meCircleKind; }
 
    virtual void TakeObjInfo(SdrObjTransformInfoRec& rInfo) const override;
    virtual SdrObjKind GetObjIdentifier() const override;
    virtual void TakeUnrotatedSnapRect(tools::Rectangle& rRect) const override;
 
    virtual OUString TakeObjNameSingul() const override;
    virtual OUString TakeObjNamePlural() const override;
 
    virtual rtl::Reference<SdrObject> CloneSdrObject(SdrModel& rTargetModel) const override;
 
    virtual void RecalcSnapRect() override;
    virtual void NbcSetSnapRect(const tools::Rectangle& rRect) override;
    virtual basegfx::B2DPolyPolygon TakeXorPoly() const override;
 
    virtual sal_uInt32 GetSnapPointCount() const override;
    virtual Point GetSnapPoint(sal_uInt32 i) const override;
 
    virtual sal_uInt32 GetHdlCount() const override;
    virtual void AddToHdlList(SdrHdlList& rHdlList) const override;
 
    // special drag methods
    virtual bool hasSpecialDrag() const override;
    virtual bool beginSpecialDrag(SdrDragStat& rDrag) const override;
    virtual bool applySpecialDrag(SdrDragStat& rDrag) override;
    virtual OUString getSpecialDragComment(const SdrDragStat& rDrag) const override;
 
    virtual bool BegCreate(SdrDragStat& rStat) override;
    virtual bool MovCreate(SdrDragStat& rStat) override;
    virtual bool EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd) override;
    virtual bool BckCreate(SdrDragStat& rStat) override;
    virtual void BrkCreate(SdrDragStat& rStat) override;
    virtual basegfx::B2DPolyPolygon TakeCreatePoly(const SdrDragStat& rDrag) const override;
    virtual PointerStyle GetCreatePointer() const override;
    virtual void NbcMove(const Size& aSiz) override;
    virtual void NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact) override;
    virtual void NbcMirror(const Point& rRef1, const Point& rRef2) override;
    virtual void NbcShear (const Point& rRef, Degree100 nAngle, double tn, bool bVShear) override;
    virtual rtl::Reference<SdrObject> DoConvertToPolyObj(bool bBezier, bool bAddText) const override;
 
private:
    virtual std::unique_ptr<SdrObjGeoData> NewGeoData() const override;
    virtual void SaveGeoData(SdrObjGeoData& rGeo) const override;
    virtual void RestoreGeoData(const SdrObjGeoData& rGeo) override;
public:
    Degree100 GetStartAngle() const { return nStartAngle; }
    Degree100 GetEndAngle() const { return nEndAngle; }
 
};
 
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