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220 lines
6.3 KiB
220 lines
6.3 KiB
/****************************************************************************
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**
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** Definition of QPoint class
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**
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** Created : 931028
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QPOINT_H
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#define QPOINT_H
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#ifndef QT_H
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#include "qwindowdefs.h"
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#endif // QT_H
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class Q_EXPORT QPoint
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{
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public:
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QPoint();
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QPoint( int xpos, int ypos );
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bool isNull() const;
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int x() const;
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int y() const;
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void setX( int x );
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void setY( int y );
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int manhattanLength() const;
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QCOORD &rx();
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QCOORD &ry();
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QPoint &operator+=( const QPoint &p );
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QPoint &operator-=( const QPoint &p );
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QPoint &operator*=( int c );
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QPoint &operator*=( double c );
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QPoint &operator/=( int c );
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QPoint &operator/=( double c );
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friend inline bool operator==( const QPoint &, const QPoint & );
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friend inline bool operator!=( const QPoint &, const QPoint & );
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friend inline const QPoint operator+( const QPoint &, const QPoint & );
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friend inline const QPoint operator-( const QPoint &, const QPoint & );
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friend inline const QPoint operator*( const QPoint &, int );
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friend inline const QPoint operator*( int, const QPoint & );
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friend inline const QPoint operator*( const QPoint &, double );
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friend inline const QPoint operator*( double, const QPoint & );
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friend inline const QPoint operator-( const QPoint & );
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friend inline const QPoint operator/( const QPoint &, int );
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friend inline const QPoint operator/( const QPoint &, double );
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private:
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static void warningDivByZero();
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#if defined(Q_OS_MAC)
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QCOORD yp;
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QCOORD xp;
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#else
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QCOORD xp;
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QCOORD yp;
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#endif
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};
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/*****************************************************************************
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QPoint stream functions
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*****************************************************************************/
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#ifndef QT_NO_DATASTREAM
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Q_EXPORT QDataStream &operator<<( QDataStream &, const QPoint & );
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Q_EXPORT QDataStream &operator>>( QDataStream &, QPoint & );
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#endif
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/*****************************************************************************
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QPoint inline functions
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*****************************************************************************/
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inline QPoint::QPoint()
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{ xp=0; yp=0; }
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inline QPoint::QPoint( int xpos, int ypos )
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{ xp=(QCOORD)xpos; yp=(QCOORD)ypos; }
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inline bool QPoint::isNull() const
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{ return xp == 0 && yp == 0; }
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inline int QPoint::x() const
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{ return xp; }
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inline int QPoint::y() const
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{ return yp; }
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inline void QPoint::setX( int x )
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{ xp = (QCOORD)x; }
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inline void QPoint::setY( int y )
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{ yp = (QCOORD)y; }
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inline QCOORD &QPoint::rx()
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{ return xp; }
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inline QCOORD &QPoint::ry()
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{ return yp; }
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inline QPoint &QPoint::operator+=( const QPoint &p )
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{ xp+=p.xp; yp+=p.yp; return *this; }
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inline QPoint &QPoint::operator-=( const QPoint &p )
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{ xp-=p.xp; yp-=p.yp; return *this; }
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inline QPoint &QPoint::operator*=( int c )
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{ xp*=(QCOORD)c; yp*=(QCOORD)c; return *this; }
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inline QPoint &QPoint::operator*=( double c )
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{ xp=(QCOORD)(xp*c); yp=(QCOORD)(yp*c); return *this; }
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inline bool operator==( const QPoint &p1, const QPoint &p2 )
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{ return p1.xp == p2.xp && p1.yp == p2.yp; }
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inline bool operator!=( const QPoint &p1, const QPoint &p2 )
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{ return p1.xp != p2.xp || p1.yp != p2.yp; }
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inline const QPoint operator+( const QPoint &p1, const QPoint &p2 )
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{ return QPoint(p1.xp+p2.xp, p1.yp+p2.yp); }
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inline const QPoint operator-( const QPoint &p1, const QPoint &p2 )
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{ return QPoint(p1.xp-p2.xp, p1.yp-p2.yp); }
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inline const QPoint operator*( const QPoint &p, int c )
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{ return QPoint(p.xp*c, p.yp*c); }
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inline const QPoint operator*( int c, const QPoint &p )
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{ return QPoint(p.xp*c, p.yp*c); }
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inline const QPoint operator*( const QPoint &p, double c )
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{ return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }
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inline const QPoint operator*( double c, const QPoint &p )
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{ return QPoint((QCOORD)(p.xp*c), (QCOORD)(p.yp*c)); }
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inline const QPoint operator-( const QPoint &p )
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{ return QPoint(-p.xp, -p.yp); }
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inline QPoint &QPoint::operator/=( int c )
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{
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#if defined(QT_CHECK_MATH)
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if ( c == 0 )
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warningDivByZero();
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#endif
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xp/=(QCOORD)c;
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yp/=(QCOORD)c;
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return *this;
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}
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inline QPoint &QPoint::operator/=( double c )
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{
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#if defined(QT_CHECK_MATH)
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if ( c == 0.0 )
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warningDivByZero();
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#endif
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xp=(QCOORD)(xp/c);
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yp=(QCOORD)(yp/c);
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return *this;
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}
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inline const QPoint operator/( const QPoint &p, int c )
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{
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#if defined(QT_CHECK_MATH)
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if ( c == 0 )
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QPoint::warningDivByZero();
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#endif
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return QPoint(p.xp/c, p.yp/c);
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}
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inline const QPoint operator/( const QPoint &p, double c )
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{
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#if defined(QT_CHECK_MATH)
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if ( c == 0.0 )
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QPoint::warningDivByZero();
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#endif
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return QPoint((QCOORD)(p.xp/c), (QCOORD)(p.yp/c));
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}
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#define Q_DEFINED_QPOINT
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#include "qwinexport.h"
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#endif // QPOINT_H
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