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- /****************************************************************************
- ** $Id: qt/qpoint.h 3.0.3 edited Oct 12 12:18 $
- **
- ** Definition of QPoint class
- **
- ** Created : 931028
- **
- ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of the kernel module of the Qt GUI Toolkit.
- **
- ** This file may be distributed under the terms of the Q Public License
- ** as defined by Trolltech AS of Norway and appearing in the file
- ** LICENSE.QPL included in the packaging of this file.
- **
- ** This file may be distributed and/or modified under the terms of the
- ** GNU General Public License version 2 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL included in the
- ** packaging of this file.
- **
- ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
- ** licenses may use this file in accordance with the Qt Commercial License
- ** Agreement provided with the Software.
- **
- ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- **
- ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
- ** information about Qt Commercial License Agreements.
- ** See http://www.trolltech.com/qpl/ for QPL licensing information.
- ** See http://www.trolltech.com/gpl/ for GPL licensing information.
- **
- ** Contact info@trolltech.com if any conditions of this licensing are
- ** not clear to you.
- **
- **********************************************************************/
-
- #ifndef QPOINT_H
- #define QPOINT_H
-
- #ifndef QT_H
- #include "qwindowdefs.h"
- #endif // QT_H
-
-
- class Q_EXPORT QPoint
- {
- public:
- QPoint();
- QPoint( int xpos, int ypos );
-
- bool isNull() const;
-
- int x() const;
- int y() const;
- void setX( int x );
- void setY( int y );
-
- int manhattanLength() const;
-
- QCOORD &rx();
- QCOORD &ry();
-
- QPoint &operator+=( const QPoint &p );
- QPoint &operator-=( const QPoint &p );
- QPoint &operator*=( int c );
- QPoint &operator*=( double c );
- QPoint &operator/=( int c );
- QPoint &operator/=( double c );
-
- friend inline bool operator==( const QPoint &, const QPoint & );
- friend inline bool operator!=( const QPoint &, const QPoint & );
- friend inline const QPoint operator+( const QPoint &, const QPoint & );
- friend inline const QPoint operator-( const QPoint &, const QPoint & );
- friend inline const QPoint operator*( const QPoint &, int );
- friend inline const QPoint operator*( int, const QPoint & );
- friend inline const QPoint operator*( const QPoint &, double );
- friend inline const QPoint operator*( double, const QPoint & );
- friend inline const QPoint operator-( const QPoint & );
- friend inline const QPoint operator/( const QPoint &, int );
- friend inline const QPoint operator/( const QPoint &, double );
-
- private:
- static void warningDivByZero();
-
- #if defined(Q_OS_MAC)
- QCOORD yp;
- QCOORD xp;
- #else
- QCOORD xp;
- QCOORD yp;
- #endif
- };
-
-
- /*****************************************************************************
- QPoint stream functions
- *****************************************************************************/
- #ifndef QT_NO_DATASTREAM
- Q_EXPORT QDataStream &operator<<( QDataStream &, const QPoint & );
- Q_EXPORT QDataStream &operator>>( QDataStream &, QPoint & );
- #endif
-
- /*****************************************************************************
- QPoint inline functions
- *****************************************************************************/
-
- inline QPoint::QPoint()
- { xp=0; yp=0; }
-
- inline QPoint::QPoint( int xpos, int ypos )
- { xp=(QCOORD)xpos; yp=(QCOORD)ypos; }
-
- inline bool QPoint::isNull() const
- { return xp == 0 && yp == 0; }
-
- inline int QPoint::x() const
- { return xp; }
-
- inline int QPoint::y() const
- { return yp; }
-
- inline void QPoint::setX( int x )
- { xp = (QCOORD)x; }
-
- inline void QPoint::setY( int y )
- { yp = (QCOORD)y; }
-
- inline QCOORD &QPoint::rx()
- { return xp; }
-
- inline QCOORD &QPoint::ry()
- { return yp; }
-
- 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*=(QCOORD)c; yp*=(QCOORD)c; return *this; }
-
- inline QPoint &QPoint::operator*=( double 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 const QPoint operator+( const QPoint &p1, const QPoint &p2 )
- { return QPoint(p1.xp+p2.xp, p1.yp+p2.yp); }
-
- inline const QPoint operator-( const QPoint &p1, const QPoint &p2 )
- { return QPoint(p1.xp-p2.xp, p1.yp-p2.yp); }
-
- inline const QPoint operator*( const QPoint &p, int c )
- { return QPoint(p.xp*c, p.yp*c); }
-
- inline const QPoint operator*( int c, const QPoint &p )
- { return QPoint(p.xp*c, p.yp*c); }
-
- inline const QPoint operator*( const QPoint &p, double c )
- { return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }
-
- inline const QPoint operator*( double c, const QPoint &p )
- { return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }
-
- inline const QPoint operator-( const QPoint &p )
- { return QPoint(-p.xp, -p.yp); }
-
- inline QPoint &QPoint::operator/=( int c )
- {
- #if defined(QT_CHECK_MATH)
- if ( c == 0 )
- warningDivByZero();
- #endif
- xp/=(QCOORD)c;
- yp/=(QCOORD)c;
- return *this;
- }
-
- inline QPoint &QPoint::operator/=( double c )
- {
- #if defined(QT_CHECK_MATH)
- if ( c == 0.0 )
- warningDivByZero();
- #endif
- xp=(QCOORD)(xp/c);
- yp=(QCOORD)(yp/c);
- return *this;
- }
-
- inline const QPoint operator/( const QPoint &p, int c )
- {
- #if defined(QT_CHECK_MATH)
- if ( c == 0 )
- QPoint::warningDivByZero();
- #endif
- return QPoint(p.xp/c, p.yp/c);
- }
-
- inline const QPoint operator/( const QPoint &p, double c )
- {
- #if defined(QT_CHECK_MATH)
- if ( c == 0.0 )
- QPoint::warningDivByZero();
- #endif
- return QPoint((QCOORD)(p.xp/c), (QCOORD)(p.yp/c));
- }
-
-
- #endif // QPOINT_H
-