| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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 |
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| ** file. Please review the following information to ensure the GNU Lesser |
| ** General Public License version 2.1 requirements will be met: |
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| ** |
| ** In addition, as a special exception, Nokia gives you certain additional |
| ** rights. These rights are described in the Nokia Qt LGPL Exception |
| ** version 1.1, 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 |
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| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
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| ** |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #ifndef QVECTOR2D_H |
| #define QVECTOR2D_H |
| |
| #include <QtCore/qpoint.h> |
| #include <QtCore/qmetatype.h> |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| QT_MODULE(Gui) |
| |
| class QVector3D; |
| class QVector4D; |
| class QVariant; |
| |
| #ifndef QT_NO_VECTOR2D |
| |
| class Q_GUI_EXPORT QVector2D |
| { |
| public: |
| QVector2D(); |
| QVector2D(qreal xpos, qreal ypos); |
| explicit QVector2D(const QPoint& point); |
| explicit QVector2D(const QPointF& point); |
| #ifndef QT_NO_VECTOR3D |
| explicit QVector2D(const QVector3D& vector); |
| #endif |
| #ifndef QT_NO_VECTOR4D |
| explicit QVector2D(const QVector4D& vector); |
| #endif |
| |
| bool isNull() const; |
| |
| qreal x() const; |
| qreal y() const; |
| |
| void setX(qreal x); |
| void setY(qreal y); |
| |
| qreal length() const; |
| qreal lengthSquared() const; |
| |
| QVector2D normalized() const; |
| void normalize(); |
| |
| QVector2D &operator+=(const QVector2D &vector); |
| QVector2D &operator-=(const QVector2D &vector); |
| QVector2D &operator*=(qreal factor); |
| QVector2D &operator*=(const QVector2D &vector); |
| QVector2D &operator/=(qreal divisor); |
| |
| static qreal dotProduct(const QVector2D& v1, const QVector2D& v2); |
| |
| friend inline bool operator==(const QVector2D &v1, const QVector2D &v2); |
| friend inline bool operator!=(const QVector2D &v1, const QVector2D &v2); |
| friend inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2); |
| friend inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2); |
| friend inline const QVector2D operator*(qreal factor, const QVector2D &vector); |
| friend inline const QVector2D operator*(const QVector2D &vector, qreal factor); |
| friend inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2); |
| friend inline const QVector2D operator-(const QVector2D &vector); |
| friend inline const QVector2D operator/(const QVector2D &vector, qreal divisor); |
| |
| friend inline bool qFuzzyCompare(const QVector2D& v1, const QVector2D& v2); |
| |
| #ifndef QT_NO_VECTOR3D |
| QVector3D toVector3D() const; |
| #endif |
| #ifndef QT_NO_VECTOR4D |
| QVector4D toVector4D() const; |
| #endif |
| |
| QPoint toPoint() const; |
| QPointF toPointF() const; |
| |
| operator QVariant() const; |
| |
| private: |
| float xp, yp; |
| |
| QVector2D(float xpos, float ypos, int dummy); |
| |
| friend class QVector3D; |
| friend class QVector4D; |
| }; |
| |
| Q_DECLARE_TYPEINFO(QVector2D, Q_MOVABLE_TYPE); |
| |
| inline QVector2D::QVector2D() : xp(0.0f), yp(0.0f) {} |
| |
| inline QVector2D::QVector2D(float xpos, float ypos, int) : xp(xpos), yp(ypos) {} |
| |
| inline QVector2D::QVector2D(qreal xpos, qreal ypos) : xp(xpos), yp(ypos) {} |
| |
| inline QVector2D::QVector2D(const QPoint& point) : xp(point.x()), yp(point.y()) {} |
| |
| inline QVector2D::QVector2D(const QPointF& point) : xp(point.x()), yp(point.y()) {} |
| |
| inline bool QVector2D::isNull() const |
| { |
| return qIsNull(xp) && qIsNull(yp); |
| } |
| |
| inline qreal QVector2D::x() const { return qreal(xp); } |
| inline qreal QVector2D::y() const { return qreal(yp); } |
| |
| inline void QVector2D::setX(qreal aX) { xp = aX; } |
| inline void QVector2D::setY(qreal aY) { yp = aY; } |
| |
| inline QVector2D &QVector2D::operator+=(const QVector2D &vector) |
| { |
| xp += vector.xp; |
| yp += vector.yp; |
| return *this; |
| } |
| |
| inline QVector2D &QVector2D::operator-=(const QVector2D &vector) |
| { |
| xp -= vector.xp; |
| yp -= vector.yp; |
| return *this; |
| } |
| |
| inline QVector2D &QVector2D::operator*=(qreal factor) |
| { |
| xp *= factor; |
| yp *= factor; |
| return *this; |
| } |
| |
| inline QVector2D &QVector2D::operator*=(const QVector2D &vector) |
| { |
| xp *= vector.xp; |
| yp *= vector.yp; |
| return *this; |
| } |
| |
| inline QVector2D &QVector2D::operator/=(qreal divisor) |
| { |
| xp /= divisor; |
| yp /= divisor; |
| return *this; |
| } |
| |
| inline bool operator==(const QVector2D &v1, const QVector2D &v2) |
| { |
| return v1.xp == v2.xp && v1.yp == v2.yp; |
| } |
| |
| inline bool operator!=(const QVector2D &v1, const QVector2D &v2) |
| { |
| return v1.xp != v2.xp || v1.yp != v2.yp; |
| } |
| |
| inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2) |
| { |
| return QVector2D(v1.xp + v2.xp, v1.yp + v2.yp, 1); |
| } |
| |
| inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2) |
| { |
| return QVector2D(v1.xp - v2.xp, v1.yp - v2.yp, 1); |
| } |
| |
| inline const QVector2D operator*(qreal factor, const QVector2D &vector) |
| { |
| return QVector2D(vector.xp * factor, vector.yp * factor, 1); |
| } |
| |
| inline const QVector2D operator*(const QVector2D &vector, qreal factor) |
| { |
| return QVector2D(vector.xp * factor, vector.yp * factor, 1); |
| } |
| |
| inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2) |
| { |
| return QVector2D(v1.xp * v2.xp, v1.yp * v2.yp, 1); |
| } |
| |
| inline const QVector2D operator-(const QVector2D &vector) |
| { |
| return QVector2D(-vector.xp, -vector.yp, 1); |
| } |
| |
| inline const QVector2D operator/(const QVector2D &vector, qreal divisor) |
| { |
| return QVector2D(vector.xp / divisor, vector.yp / divisor, 1); |
| } |
| |
| inline bool qFuzzyCompare(const QVector2D& v1, const QVector2D& v2) |
| { |
| return qFuzzyCompare(v1.xp, v2.xp) && qFuzzyCompare(v1.yp, v2.yp); |
| } |
| |
| inline QPoint QVector2D::toPoint() const |
| { |
| return QPoint(qRound(xp), qRound(yp)); |
| } |
| |
| inline QPointF QVector2D::toPointF() const |
| { |
| return QPointF(qreal(xp), qreal(yp)); |
| } |
| |
| #ifndef QT_NO_DEBUG_STREAM |
| Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector2D &vector); |
| #endif |
| |
| #ifndef QT_NO_DATASTREAM |
| Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector2D &); |
| Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector2D &); |
| #endif |
| |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif |