AOO410/main/svx/inc/svx/svdocirc.hxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
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#ifndef _SVDOCIRC_HXX
#define _SVDOCIRC_HXX

#include <svx/svdorect.hxx>
#include "svx/svxdllapi.h"

//************************************************************
//   Vorausdeklarationen
//************************************************************

namespace sdr {	namespace properties {
	class CircleProperties;
}}

//************************************************************
//   Hilfsklasse SdrCircObjGeoData
//************************************************************

// #109872#
class SdrCircObjGeoData : public SdrTextObjGeoData
{
public:
	long						nStartWink;
	long						nEndWink;
};

//************************************************************
//   SdrCircObj
//************************************************************

class SVX_DLLPUBLIC SdrCircObj : public SdrRectObj
{
private:
	// to allow sdr::properties::CircleProperties access to ImpSetAttrToCircInfo()
	friend class sdr::properties::CircleProperties;

	// only for SdrCircleAttributes
	SdrObjKind GetCircleKind() const { return meCircleKind; }

protected:
	virtual sdr::contact::ViewContact* CreateObjectSpecificViewContact();
	virtual sdr::properties::BaseProperties* CreateObjectSpecificProperties();

    SdrObjKind					meCircleKind;
	long						nStartWink;
	long						nEndWink;

	// bitfield
	unsigned					mbPolygonIsLine : 1;

private:
 	SVX_DLLPRIVATE basegfx::B2DPolygon ImpCalcXPolyCirc(const SdrObjKind eKind, const Rectangle& rRect1, long nStart, long nEnd) const;
	SVX_DLLPRIVATE void ImpSetCreateParams(SdrDragStat& rStat) const;
	SVX_DLLPRIVATE void ImpSetAttrToCircInfo(); // Werte vom Pool kopieren
	SVX_DLLPRIVATE void ImpSetCircInfoToAttr(); // Werte in den Pool kopieren

	// Liefert sal_True, wenn das Painten ein XPolygon erfordert.
	SVX_DLLPRIVATE FASTBOOL PaintNeedsXPolyCirc() const; // PaintNeedsXPoly-> PaintNeedsXPolyCirc
	SVX_DLLPRIVATE virtual void RecalcXPoly();

protected:
	virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint);

public:
	TYPEINFO();
	SdrCircObj(SdrObjKind eNewKind); // Circ, CArc, Sect oder CCut
	SdrCircObj(SdrObjKind eNewKind, const Rectangle& rRect);

	// 0=0.00Deg=3h 9000=90.00Deg=12h 18000=180.00Deg=9h 27000=270.00Deg=6h
	// Der Verlauf des Kreises von StartWink nach EndWink ist immer entgegen
	// dem Uhrzeigersinn.
	// Wenn nNewStartWink==nNewEndWink hat der Kreisbogen einen Verlaufswinkel
	// von 0 Grad. Bei nNewStartWink+36000==nNewEndWink ist der Verlaufswinkel
	// 360.00 Grad.
	SdrCircObj(SdrObjKind eNewKind, const Rectangle& rRect, long nNewStartWink, long nNewEndWink);
	virtual ~SdrCircObj();

	virtual void TakeObjInfo(SdrObjTransformInfoRec& rInfo) const;
	virtual sal_uInt16 GetObjIdentifier() const;
	virtual void TakeUnrotatedSnapRect(Rectangle& rRect) const;

	virtual void TakeObjNameSingul(String& rName) const;
	virtual void TakeObjNamePlural(String& rName) const;

	virtual void operator=(const SdrObject& rObj);
	virtual void RecalcSnapRect();
	virtual void NbcSetSnapRect(const Rectangle& rRect);
	virtual basegfx::B2DPolyPolygon TakeXorPoly() const;

	virtual sal_uInt32 GetSnapPointCount() const;
	virtual Point GetSnapPoint(sal_uInt32 i) const;

	virtual sal_uInt32 GetHdlCount() const;
	virtual SdrHdl* GetHdl(sal_uInt32 nHdlNum) const;
	
    // special drag methods
    virtual bool hasSpecialDrag() const;
	virtual bool beginSpecialDrag(SdrDragStat& rDrag) const;
	virtual bool applySpecialDrag(SdrDragStat& rDrag);
	virtual String getSpecialDragComment(const SdrDragStat& rDrag) const;

    virtual FASTBOOL BegCreate(SdrDragStat& rStat);
	virtual FASTBOOL MovCreate(SdrDragStat& rStat);
	virtual FASTBOOL EndCreate(SdrDragStat& rStat, SdrCreateCmd eCmd);
	virtual FASTBOOL BckCreate(SdrDragStat& rStat);
	virtual void BrkCreate(SdrDragStat& rStat);
	virtual basegfx::B2DPolyPolygon TakeCreatePoly(const SdrDragStat& rDrag) const;
	virtual Pointer GetCreatePointer() const;
	virtual void NbcMove(const Size& aSiz);
	virtual void NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact);
	virtual void NbcMirror(const Point& rRef1, const Point& rRef2);
	virtual void NbcShear (const Point& rRef, long nWink, double tn, FASTBOOL bVShear);
	virtual SdrObject* DoConvertToPolyObj(sal_Bool bBezier, bool bAddText) const;

protected:
	virtual SdrObjGeoData* NewGeoData() const;
	virtual void SaveGeoData(SdrObjGeoData& rGeo) const;
	virtual void RestGeoData(const SdrObjGeoData& rGeo);
public:
	long GetStartWink() const { return nStartWink; }
	long GetEndWink() const { return nEndWink; }

};

#endif //_SVDOCIRC_HXX