finalcut/include/final/fpoint.h

126 lines
3.4 KiB
C++

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