This is the verbatim text of the qpoint.h include file. It is is provided only for illustration; the copyright remains with Troll Tech.
/****************************************************************************
** $Id: qpoint.h,v 1.6 1995/04/13 21:54:11 hanord Exp $
**
** Definition of QPoint class
**
** Author : Haavard Nord
** Created : 931028
**
** Copyright (C) 1993-1995 by Troll Tech AS. All rights reserved.
**
*****************************************************************************/
#ifndef QPOINT_H
#define QPOINT_H
#include "qwindefs.h"
class QPoint // point class
{
public:
QPoint() {} // undefined init values
QPoint( QCOORD xpos, QCOORD ypos ); // set x=xpos, y=ypos
bool isNull() const { return xp==0 && yp==0; }
QCOORD x() const { return xp; } // get x
QCOORD y() const { return yp; } // get y
void setX( QCOORD x ) { xp=x; } // set x
void setY( QCOORD y ) { yp=y; } // set y
QCOORD &rx() { return xp; } // get reference to x
QCOORD &ry() { return yp; } // get reference to y
QPoint &operator+=( const QPoint &p ); // add point
QPoint &operator-=( const QPoint &p ); // subtract point
QPoint &operator*=( int c ); // multiply with scalar
QPoint &operator*=( float c ); // multiply with scalar float
QPoint &operator/=( int c ); // divide by scalar
QPoint &operator/=( float c ); // divide by scalar float
friend bool operator==( const QPoint &, const QPoint & );
friend bool operator!=( const QPoint &, const QPoint & );
friend QPoint operator+( const QPoint &, const QPoint & );
friend QPoint operator-( const QPoint &, const QPoint & );
friend QPoint operator*( const QPoint &, int );
friend QPoint operator*( int, const QPoint & );
friend QPoint operator*( const QPoint &, float );
friend QPoint operator*( float, const QPoint & );
friend QPoint operator/( const QPoint &, int );
friend QPoint operator/( const QPoint &, float );
friend QPoint operator-( const QPoint & );
private:
#if defined(_OS_MAC_)
QCOORD yp; // y position
QCOORD xp; // x position
#else
QCOORD xp; // x position
QCOORD yp; // y position
#endif
};
// --------------------------------------------------------------------------
// QPoint stream functions
//
QDataStream &operator<<( QDataStream &, const QPoint & );
QDataStream &operator>>( QDataStream &, QPoint & );
#if !(defined(QPOINT_C) || defined(DEBUG))
// --------------------------------------------------------------------------
// QPoint member functions
//
inline QPoint::QPoint( QCOORD xpos, QCOORD ypos )
{
xp=xpos; yp=ypos;
}
inline QPoint &QPoint::operator+=( const QPoint &p )
{
xp+=p.xp; yp+=p.yp; return *this;
}
inline QPoint &QPoint::operator-=( const QPoint &p )
{
xp-=p.xp; yp-=p.yp; return *this;
}
inline QPoint &QPoint::operator*=( int c )
{
xp*=c; yp*=c; return *this;
}
inline QPoint &QPoint::operator*=( float c )
{
xp=(QCOORD)(xp*c); yp=(QCOORD)(yp*c); return *this;
}
inline QPoint &QPoint::operator/=( int c )
{
xp/=c; yp/=c; return *this;
}
inline QPoint &QPoint::operator/=( float c )
{
xp=(QCOORD)(xp/c); yp=(QCOORD)(yp/c); return *this;
}
inline bool operator==( const QPoint & p1, const QPoint & p2 )
{
return p1.xp == p2.xp && p1.yp == p2.yp;
}
inline bool operator!=( const QPoint & p1, const QPoint & p2 )
{
return p1.xp != p2.xp || p1.yp != p2.yp;
}
inline QPoint operator+( const QPoint & p1, const QPoint & p2 )
{
return QPoint( p1.xp+p2.xp, p1.yp+p2.yp );
}
inline QPoint operator-( const QPoint & p1, const QPoint & p2 )
{
return QPoint( p1.xp-p2.xp, p1.yp-p2.yp );
}
inline QPoint operator*( const QPoint &p, int c )
{
return QPoint( p.xp*c, p.yp*c );
}
inline QPoint operator*( int c, const QPoint &p )
{
return QPoint( p.xp*c, p.yp*c );
}
inline QPoint operator*( const QPoint &p, float c )
{
return QPoint( (QCOORD)(p.xp*c), (QCOORD)(p.yp*c) );
}
inline QPoint operator*( float c, const QPoint &p )
{
return QPoint( (QCOORD)(p.xp*c), (QCOORD)(p.yp*c) );
}
inline QPoint operator/( const QPoint &p, int c )
{
return QPoint( p.xp/c, p.yp/c );
}
inline QPoint operator/( const QPoint &p, float c )
{
return QPoint( (QCOORD)(p.xp/c), (QCOORD)(p.yp/c) );
}
inline QPoint operator-( const QPoint &p )
{
return QPoint( -p.xp, -p.yp );
}
#endif // inline functions
#endif // QPOINT_H