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364 lines
9.2 KiB
364 lines
9.2 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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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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#include <QtCore/qnamespace.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Core)
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class Q_CORE_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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int &rx();
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int &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*=(qreal c);
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QPoint &operator/=(qreal 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 &, qreal);
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friend inline const QPoint operator*(qreal, const QPoint &);
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friend inline const QPoint operator-(const QPoint &);
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friend inline const QPoint operator/(const QPoint &, qreal);
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private:
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friend class QTransform;
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// ### Qt 5; remove the ifdef and just have the same order on all platforms.
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#if defined(Q_OS_MAC)
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int yp;
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int xp;
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#else
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int xp;
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int yp;
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#endif
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};
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Q_DECLARE_TYPEINFO(QPoint, Q_MOVABLE_TYPE);
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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_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPoint &);
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Q_CORE_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 = xpos; yp = 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 xpos)
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{ xp = xpos; }
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inline void QPoint::setY(int ypos)
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{ yp = ypos; }
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inline int &QPoint::rx()
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{ return xp; }
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inline int &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*=(qreal c)
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{ xp = qRound(xp*c); yp = qRound(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, qreal c)
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{ return QPoint(qRound(p.xp*c), qRound(p.yp*c)); }
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inline const QPoint operator*(qreal c, const QPoint &p)
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{ return QPoint(qRound(p.xp*c), qRound(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/=(qreal c)
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{
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xp = qRound(xp/c);
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yp = qRound(yp/c);
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return *this;
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}
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inline const QPoint operator/(const QPoint &p, qreal c)
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{
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return QPoint(qRound(p.xp/c), qRound(p.yp/c));
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}
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#ifndef QT_NO_DEBUG_STREAM
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Q_CORE_EXPORT QDebug operator<<(QDebug, const QPoint &);
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#endif
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class Q_CORE_EXPORT QPointF
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{
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public:
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QPointF();
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QPointF(const QPoint &p);
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QPointF(qreal xpos, qreal ypos);
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qreal manhattanLength() const;
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bool isNull() const;
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qreal x() const;
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qreal y() const;
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void setX(qreal x);
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void setY(qreal y);
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qreal &rx();
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qreal &ry();
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QPointF &operator+=(const QPointF &p);
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QPointF &operator-=(const QPointF &p);
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QPointF &operator*=(qreal c);
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QPointF &operator/=(qreal c);
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friend inline bool operator==(const QPointF &, const QPointF &);
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friend inline bool operator!=(const QPointF &, const QPointF &);
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friend inline const QPointF operator+(const QPointF &, const QPointF &);
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friend inline const QPointF operator-(const QPointF &, const QPointF &);
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friend inline const QPointF operator*(qreal, const QPointF &);
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friend inline const QPointF operator*(const QPointF &, qreal);
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friend inline const QPointF operator-(const QPointF &);
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friend inline const QPointF operator/(const QPointF &, qreal);
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QPoint toPoint() const;
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private:
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friend class QMatrix;
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friend class QTransform;
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qreal xp;
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qreal yp;
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};
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Q_DECLARE_TYPEINFO(QPointF, Q_MOVABLE_TYPE);
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/*****************************************************************************
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QPointF stream functions
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*****************************************************************************/
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#ifndef QT_NO_DATASTREAM
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Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPointF &);
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Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPointF &);
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#endif
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/*****************************************************************************
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QPointF inline functions
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*****************************************************************************/
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inline QPointF::QPointF() : xp(0), yp(0) { }
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inline QPointF::QPointF(qreal xpos, qreal ypos) : xp(xpos), yp(ypos) { }
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inline QPointF::QPointF(const QPoint &p) : xp(p.x()), yp(p.y()) { }
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inline bool QPointF::isNull() const
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{
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return qIsNull(xp) && qIsNull(yp);
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}
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inline qreal QPointF::x() const
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{
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return xp;
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}
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inline qreal QPointF::y() const
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{
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return yp;
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}
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inline void QPointF::setX(qreal xpos)
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{
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xp = xpos;
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}
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inline void QPointF::setY(qreal ypos)
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{
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yp = ypos;
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}
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inline qreal &QPointF::rx()
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{
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return xp;
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}
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inline qreal &QPointF::ry()
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{
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return yp;
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}
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inline QPointF &QPointF::operator+=(const QPointF &p)
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{
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xp+=p.xp;
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yp+=p.yp;
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return *this;
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}
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inline QPointF &QPointF::operator-=(const QPointF &p)
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{
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xp-=p.xp; yp-=p.yp; return *this;
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}
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inline QPointF &QPointF::operator*=(qreal c)
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{
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xp*=c; yp*=c; return *this;
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}
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inline bool operator==(const QPointF &p1, const QPointF &p2)
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{
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return qFuzzyIsNull(p1.xp - p2.xp) && qFuzzyIsNull(p1.yp - p2.yp);
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}
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inline bool operator!=(const QPointF &p1, const QPointF &p2)
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{
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return !qFuzzyIsNull(p1.xp - p2.xp) || !qFuzzyIsNull(p1.yp - p2.yp);
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}
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inline const QPointF operator+(const QPointF &p1, const QPointF &p2)
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{
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return QPointF(p1.xp+p2.xp, p1.yp+p2.yp);
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}
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inline const QPointF operator-(const QPointF &p1, const QPointF &p2)
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{
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return QPointF(p1.xp-p2.xp, p1.yp-p2.yp);
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}
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inline const QPointF operator*(const QPointF &p, qreal c)
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{
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return QPointF(p.xp*c, p.yp*c);
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}
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inline const QPointF operator*(qreal c, const QPointF &p)
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{
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return QPointF(p.xp*c, p.yp*c);
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}
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inline const QPointF operator-(const QPointF &p)
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{
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return QPointF(-p.xp, -p.yp);
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}
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inline QPointF &QPointF::operator/=(qreal c)
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{
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xp/=c;
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yp/=c;
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return *this;
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}
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inline const QPointF operator/(const QPointF &p, qreal c)
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{
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return QPointF(p.xp/c, p.yp/c);
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}
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inline QPoint QPointF::toPoint() const
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{
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return QPoint(qRound(xp), qRound(yp));
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}
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#ifndef QT_NO_DEBUG_STREAM
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Q_CORE_EXPORT QDebug operator<<(QDebug d, const QPointF &p);
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#endif
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QPOINT_H
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