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Diffstat (limited to 'src/corelib/tools/qpoint.h')
-rw-r--r-- | src/corelib/tools/qpoint.h | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/src/corelib/tools/qpoint.h b/src/corelib/tools/qpoint.h new file mode 100644 index 0000000..1dab7e2 --- /dev/null +++ b/src/corelib/tools/qpoint.h @@ -0,0 +1,361 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPOINT_H +#define QPOINT_H + +#include <QtCore/qnamespace.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +class Q_CORE_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; + + int &rx(); + int &ry(); + + QPoint &operator+=(const QPoint &p); + QPoint &operator-=(const QPoint &p); + QPoint &operator*=(qreal c); + QPoint &operator/=(qreal 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 &, qreal); + friend inline const QPoint operator*(qreal, const QPoint &); + friend inline const QPoint operator-(const QPoint &); + friend inline const QPoint operator/(const QPoint &, qreal); + +private: + friend class QTransform; + // ### Qt 5; remove the ifdef and just have the same order on all platforms. +#if defined(Q_OS_MAC) + int yp; + int xp; +#else + int xp; + int yp; +#endif +}; + +Q_DECLARE_TYPEINFO(QPoint, Q_MOVABLE_TYPE); + +/***************************************************************************** + QPoint stream functions + *****************************************************************************/ +#ifndef QT_NO_DATASTREAM +Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPoint &); +Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPoint &); +#endif + +/***************************************************************************** + QPoint inline functions + *****************************************************************************/ + +inline QPoint::QPoint() +{ xp=0; yp=0; } + +inline QPoint::QPoint(int xpos, int ypos) +{ xp = xpos; yp = 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 xpos) +{ xp = xpos; } + +inline void QPoint::setY(int ypos) +{ yp = ypos; } + +inline int &QPoint::rx() +{ return xp; } + +inline int &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*=(qreal c) +{ xp = qRound(xp*c); yp = qRound(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, qreal c) +{ return QPoint(qRound(p.xp*c), qRound(p.yp*c)); } + +inline const QPoint operator*(qreal c, const QPoint &p) +{ return QPoint(qRound(p.xp*c), qRound(p.yp*c)); } + +inline const QPoint operator-(const QPoint &p) +{ return QPoint(-p.xp, -p.yp); } + +inline QPoint &QPoint::operator/=(qreal c) +{ + xp = qRound(xp/c); + yp = qRound(yp/c); + return *this; +} + +inline const QPoint operator/(const QPoint &p, qreal c) +{ + return QPoint(qRound(p.xp/c), qRound(p.yp/c)); +} + +#ifndef QT_NO_DEBUG_STREAM +Q_CORE_EXPORT QDebug operator<<(QDebug, const QPoint &); +#endif + + + + + +class Q_CORE_EXPORT QPointF +{ +public: + QPointF(); + QPointF(const QPoint &p); + QPointF(qreal xpos, qreal ypos); + + bool isNull() const; + + qreal x() const; + qreal y() const; + void setX(qreal x); + void setY(qreal y); + + qreal &rx(); + qreal &ry(); + + QPointF &operator+=(const QPointF &p); + QPointF &operator-=(const QPointF &p); + QPointF &operator*=(qreal c); + QPointF &operator/=(qreal c); + + friend inline bool operator==(const QPointF &, const QPointF &); + friend inline bool operator!=(const QPointF &, const QPointF &); + friend inline const QPointF operator+(const QPointF &, const QPointF &); + friend inline const QPointF operator-(const QPointF &, const QPointF &); + friend inline const QPointF operator*(qreal, const QPointF &); + friend inline const QPointF operator*(const QPointF &, qreal); + friend inline const QPointF operator-(const QPointF &); + friend inline const QPointF operator/(const QPointF &, qreal); + + QPoint toPoint() const; + +private: + friend class QMatrix; + friend class QTransform; + + qreal xp; + qreal yp; +}; + +Q_DECLARE_TYPEINFO(QPointF, Q_MOVABLE_TYPE); + +/***************************************************************************** + QPointF stream functions + *****************************************************************************/ +#ifndef QT_NO_DATASTREAM +Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QPointF &); +Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QPointF &); +#endif + +/***************************************************************************** + QPointF inline functions + *****************************************************************************/ + +inline QPointF::QPointF() : xp(0), yp(0) { } + +inline QPointF::QPointF(qreal xpos, qreal ypos) : xp(xpos), yp(ypos) { } + +inline QPointF::QPointF(const QPoint &p) : xp(p.x()), yp(p.y()) { } + +inline bool QPointF::isNull() const +{ + return qIsNull(xp) && qIsNull(yp); +} + +inline qreal QPointF::x() const +{ + return xp; +} + +inline qreal QPointF::y() const +{ + return yp; +} + +inline void QPointF::setX(qreal xpos) +{ + xp = xpos; +} + +inline void QPointF::setY(qreal ypos) +{ + yp = ypos; +} + +inline qreal &QPointF::rx() +{ + return xp; +} + +inline qreal &QPointF::ry() +{ + return yp; +} + +inline QPointF &QPointF::operator+=(const QPointF &p) +{ + xp+=p.xp; + yp+=p.yp; + return *this; +} + +inline QPointF &QPointF::operator-=(const QPointF &p) +{ + xp-=p.xp; yp-=p.yp; return *this; +} + +inline QPointF &QPointF::operator*=(qreal c) +{ + xp*=c; yp*=c; return *this; +} + +inline bool operator==(const QPointF &p1, const QPointF &p2) +{ + return qFuzzyCompare(p1.xp, p2.xp) && qFuzzyCompare(p1.yp, p2.yp); +} + +inline bool operator!=(const QPointF &p1, const QPointF &p2) +{ + return !qFuzzyCompare(p1.xp, p2.xp) || !qFuzzyCompare(p1.yp, p2.yp); +} + +inline const QPointF operator+(const QPointF &p1, const QPointF &p2) +{ + return QPointF(p1.xp+p2.xp, p1.yp+p2.yp); +} + +inline const QPointF operator-(const QPointF &p1, const QPointF &p2) +{ + return QPointF(p1.xp-p2.xp, p1.yp-p2.yp); +} + +inline const QPointF operator*(const QPointF &p, qreal c) +{ + return QPointF(p.xp*c, p.yp*c); +} + +inline const QPointF operator*(qreal c, const QPointF &p) +{ + return QPointF(p.xp*c, p.yp*c); +} + +inline const QPointF operator-(const QPointF &p) +{ + return QPointF(-p.xp, -p.yp); +} + +inline QPointF &QPointF::operator/=(qreal c) +{ + xp/=c; + yp/=c; + return *this; +} + +inline const QPointF operator/(const QPointF &p, qreal c) +{ + return QPointF(p.xp/c, p.yp/c); +} + +inline QPoint QPointF::toPoint() const +{ + return QPoint(qRound(xp), qRound(yp)); +} + +#ifndef QT_NO_DEBUG_STREAM +Q_CORE_EXPORT QDebug operator<<(QDebug d, const QPointF &p); +#endif + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QPOINT_H |