FvGdiCircle.h

[詳解]

//  $Revision: 1.1 $
/*
    @file   FvGdiCircle.h
    @brief  Grafics device interface figure class (circle)
    @author FAST Corporation
*/

#ifndef _FVGDICIRCLE_H_INCLUDED_
#define _FVGDICIRCLE_H_INCLUDED_

#include "FvGdiFigure.h"
#include "Data/FvAngle.h"

#pragma pack(push,_FVCL_PACKING)

namespace FVCL
{
namespace GDI
{
// front declaration
class FVCL_API CFvGdiImage;

// class
class FVCL_API CFvGdiCircle : public CFvGdiFigure
{
private:
    void _Constructor();

public:
    CFvGdiCircle();
    CFvGdiCircle( const CFvGdiCircle& src );
    CFvGdiCircle( const FVCL::Data::CFvCircle& src );
    CFvGdiCircle( DOUBLE center_x, DOUBLE center_y, DOUBLE radius );
    virtual ~CFvGdiCircle();

    enum { DataID = FVCL::Data::CFvCircle::DataID };

    virtual INT GetDataID() const;
    virtual INT Play( HDC dc, DOUBLE magnification ) const;
    virtual bool GetDataObject( CFvDataObject* object ) const;
    virtual CFvGdiFigure* Clone() const;
    virtual FVCL::Data::CFvRectangle GetClipRect() const;
    virtual INT CheckFocusMarkPosition( const FVCL::Data::CFvPoint& mouse, DOUBLE margin = 2.0 ) const;

    virtual bool SetPosition( const FVCL::Data::CFvPoint& position );
    virtual const FVCL::Data::CFvPoint& GetPosition() const;

    bool SetFillEnable( bool enable );
    bool GetFillEnable() const;

    bool SetFillColor( COLORREF color );
    COLORREF GetFillColor() const;

    bool SetFillAlpha( UCHAR alpha );
    UCHAR GetFillAlpha() const;

    bool SetArcStAngle( const FVCL::Data::CFvAngle& angle );
    const FVCL::Data::CFvAngle& GetArcStAngle() const;
    FVCL::Data::CFvAngle& GetArcStAngle();
    FVCL::Data::CFvPoint GetArcStPoint() const;

    bool SetArcEdAngle( const FVCL::Data::CFvAngle& angle );
    const FVCL::Data::CFvAngle& GetArcEdAngle() const;
    FVCL::Data::CFvAngle& GetArcEdAngle();
    FVCL::Data::CFvPoint GetArcEdPoint() const;

    FVCL::Data::CFvAngle CalcArcAngle( FVCL::Data::CFvPoint point, bool invert );

    virtual CFvGdiCircle& operator = ( const FVCL::Data::CFvCircle& src );
    virtual CFvGdiCircle& operator = ( const CFvGdiCircle& src );
    virtual bool operator == ( const CFvGdiFigure& src ) const;
    virtual bool operator != ( const CFvGdiFigure& src ) const;

    FVCL::Data::CFvCircle ToCFvCircle() const;

public:
    FVCL::Data::CFvPoint                center;
    DOUBLE                  radius;

protected:

private:
    mutable FVCL::GDI::CFvGdiImage* m_FillImage;
    bool                    m_FillEnable;
    COLORREF                m_FillColor;
    UCHAR                   m_FillAlpha;
    FVCL::Data::CFvAngle    m_ArcStAngle;
    FVCL::Data::CFvAngle    m_ArcEdAngle;
    FVCL::Data::CFvPoint CalcArcStPoint(DOUBLE mag) const;
    FVCL::Data::CFvPoint CalcArcEdPoint(DOUBLE mag) const;
};

}   // GDI

}   // FVCL

#pragma pack(pop)

#endif  // _FVGDICIRCLE_H_INCLUDED_