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+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 1.1, 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 Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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;
+};
+
+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