126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
// File: fpoint.h
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// Provides: class FPoint
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//
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// Standalone class
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// ════════════════
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//
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// ▕▔▔▔▔▔▔▔▔▏
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// ▕ FPoint ▏
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// ▕▁▁▁▁▁▁▁▁▏
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#ifndef FPOINT_H
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#define FPOINT_H
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//----------------------------------------------------------------------
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// class FPoint
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FPoint
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{
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public:
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// Constructors
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FPoint ();
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FPoint (const FPoint&); // copy constructor
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FPoint (int, int);
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// Destructor
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virtual ~FPoint();
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// Overloaded operators
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FPoint& operator = (const FPoint&);
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FPoint& operator += (const FPoint&);
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FPoint& operator -= (const FPoint&);
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friend inline bool operator == (const FPoint&, const FPoint&);
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friend inline bool operator != (const FPoint&, const FPoint&);
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friend inline FPoint operator + (const FPoint&, const FPoint&);
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friend inline FPoint operator - (const FPoint&, const FPoint&);
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friend inline FPoint operator - (const FPoint&);
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// Accessors
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virtual const char* getClassName();
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int getX() const;
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int getY() const;
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void setX (int);
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void setY (int);
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void setPoint (int, int);
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// Inquiry
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bool isNull() const;
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// Point references
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short& x_ref();
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short& y_ref();
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private:
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// Data Members
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short xpos;
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short ypos;
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};
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#pragma pack(pop)
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// FPoint inline functions
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//----------------------------------------------------------------------
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inline FPoint::FPoint()
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: xpos(0)
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, ypos(0)
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{ }
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//----------------------------------------------------------------------
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inline FPoint::FPoint (const FPoint& p) // copy constructor
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: xpos(p.xpos)
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, ypos(p.ypos)
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{ }
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//----------------------------------------------------------------------
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inline FPoint::FPoint (int x, int y)
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: xpos(short(x))
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, ypos(short(y))
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{ }
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//----------------------------------------------------------------------
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inline bool operator == (const FPoint& p1, const FPoint& p2)
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{ return p1.xpos == p2.xpos && p1.ypos == p2.ypos; }
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//----------------------------------------------------------------------
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inline bool operator != (const FPoint& p1, const FPoint& p2)
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{ return p1.xpos != p2.xpos || p1.ypos != p2.ypos; }
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//----------------------------------------------------------------------
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inline FPoint operator + (const FPoint& p1, const FPoint& p2)
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{ return FPoint(p1.xpos+p2.xpos, p1.ypos+p2.ypos); }
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//----------------------------------------------------------------------
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inline FPoint operator - (const FPoint& p1, const FPoint& p2)
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{ return FPoint(p1.xpos-p2.xpos, p1.ypos-p2.ypos); }
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//----------------------------------------------------------------------
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inline FPoint operator - (const FPoint& p)
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{ return FPoint(-p.xpos, -p.ypos); }
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//----------------------------------------------------------------------
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inline const char* FPoint::getClassName()
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{ return "FPoint"; }
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//----------------------------------------------------------------------
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inline int FPoint::getX() const
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{ return xpos; }
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//----------------------------------------------------------------------
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inline int FPoint::getY() const
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{ return ypos; }
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//----------------------------------------------------------------------
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inline short& FPoint::x_ref()
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{ return xpos; }
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//----------------------------------------------------------------------
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inline short& FPoint::y_ref()
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{ return ypos; }
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#endif // FPOINT_H
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