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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 QVECTOR4D_H
-#define QVECTOR4D_H
-
-#include <QtCore/qpoint.h>
-#include <QtCore/qmetatype.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Gui)
-
-class QMatrix4x4;
-class QVector2D;
-class QVector3D;
-
-#ifndef QT_NO_VECTOR4D
-
-class Q_GUI_EXPORT QVector4D
-{
-public:
- QVector4D();
- QVector4D(qreal xpos, qreal ypos, qreal zpos, qreal wpos);
- explicit QVector4D(const QPoint& point);
- explicit QVector4D(const QPointF& point);
-#ifndef QT_NO_VECTOR2D
- QVector4D(const QVector2D& vector);
- QVector4D(const QVector2D& vector, qreal zpos, qreal wpos);
-#endif
-#ifndef QT_NO_VECTOR3D
- QVector4D(const QVector3D& vector);
- QVector4D(const QVector3D& vector, qreal wpos);
-#endif
-
- bool isNull() const;
-
- qreal x() const;
- qreal y() const;
- qreal z() const;
- qreal w() const;
-
- void setX(qreal x);
- void setY(qreal y);
- void setZ(qreal z);
- void setW(qreal w);
-
- qreal length() const;
- qreal lengthSquared() const;
-
- QVector4D normalized() const;
- void normalize();
-
- QVector4D &operator+=(const QVector4D &vector);
- QVector4D &operator-=(const QVector4D &vector);
- QVector4D &operator*=(qreal factor);
- QVector4D &operator*=(const QVector4D &vector);
- QVector4D &operator/=(qreal divisor);
-
- static qreal dotProduct(const QVector4D& v1, const QVector4D& v2);
-
- friend inline bool operator==(const QVector4D &v1, const QVector4D &v2);
- friend inline bool operator!=(const QVector4D &v1, const QVector4D &v2);
- friend inline const QVector4D operator+(const QVector4D &v1, const QVector4D &v2);
- friend inline const QVector4D operator-(const QVector4D &v1, const QVector4D &v2);
- friend inline const QVector4D operator*(qreal factor, const QVector4D &vector);
- friend inline const QVector4D operator*(const QVector4D &vector, qreal factor);
- friend inline const QVector4D operator*(const QVector4D &v1, const QVector4D& v2);
- friend inline const QVector4D operator-(const QVector4D &vector);
- friend inline const QVector4D operator/(const QVector4D &vector, qreal divisor);
-
- friend inline bool qFuzzyCompare(const QVector4D& v1, const QVector4D& v2);
-
-#ifndef QT_NO_VECTOR2D
- QVector2D toVector2D() const;
- QVector2D toVector2DAffine() const;
-#endif
-#ifndef QT_NO_VECTOR3D
- QVector3D toVector3D() const;
- QVector3D toVector3DAffine() const;
-#endif
-
- QPoint toPoint() const;
- QPointF toPointF() const;
-
- operator QVariant() const;
-
-private:
- float xp, yp, zp, wp;
-
- QVector4D(float xpos, float ypos, float zpos, float wpos, int dummy);
-
- friend class QVector2D;
- friend class QVector3D;
-#ifndef QT_NO_MATRIX4X4
- friend QVector4D operator*(const QVector4D& vector, const QMatrix4x4& matrix);
- friend QVector4D operator*(const QMatrix4x4& matrix, const QVector4D& vector);
-#endif
-};
-
-inline QVector4D::QVector4D() : xp(0.0f), yp(0.0f), zp(0.0f), wp(0.0f) {}
-
-inline QVector4D::QVector4D(qreal xpos, qreal ypos, qreal zpos, qreal wpos) : xp(xpos), yp(ypos), zp(zpos), wp(wpos) {}
-
-inline QVector4D::QVector4D(float xpos, float ypos, float zpos, float wpos, int) : xp(xpos), yp(ypos), zp(zpos), wp(wpos) {}
-
-inline QVector4D::QVector4D(const QPoint& point) : xp(point.x()), yp(point.y()), zp(0.0f), wp(0.0f) {}
-
-inline QVector4D::QVector4D(const QPointF& point) : xp(point.x()), yp(point.y()), zp(0.0f), wp(0.0f) {}
-
-inline bool QVector4D::isNull() const
-{
- return qIsNull(xp) && qIsNull(yp) && qIsNull(zp) && qIsNull(wp);
-}
-
-inline qreal QVector4D::x() const { return qreal(xp); }
-inline qreal QVector4D::y() const { return qreal(yp); }
-inline qreal QVector4D::z() const { return qreal(zp); }
-inline qreal QVector4D::w() const { return qreal(wp); }
-
-inline void QVector4D::setX(qreal aX) { xp = aX; }
-inline void QVector4D::setY(qreal aY) { yp = aY; }
-inline void QVector4D::setZ(qreal aZ) { zp = aZ; }
-inline void QVector4D::setW(qreal aW) { wp = aW; }
-
-inline QVector4D &QVector4D::operator+=(const QVector4D &vector)
-{
- xp += vector.xp;
- yp += vector.yp;
- zp += vector.zp;
- wp += vector.wp;
- return *this;
-}
-
-inline QVector4D &QVector4D::operator-=(const QVector4D &vector)
-{
- xp -= vector.xp;
- yp -= vector.yp;
- zp -= vector.zp;
- wp -= vector.wp;
- return *this;
-}
-
-inline QVector4D &QVector4D::operator*=(qreal factor)
-{
- xp *= factor;
- yp *= factor;
- zp *= factor;
- wp *= factor;
- return *this;
-}
-
-inline QVector4D &QVector4D::operator*=(const QVector4D &vector)
-{
- xp *= vector.xp;
- yp *= vector.yp;
- zp *= vector.zp;
- wp *= vector.wp;
- return *this;
-}
-
-inline QVector4D &QVector4D::operator/=(qreal divisor)
-{
- xp /= divisor;
- yp /= divisor;
- zp /= divisor;
- wp /= divisor;
- return *this;
-}
-
-inline bool operator==(const QVector4D &v1, const QVector4D &v2)
-{
- return v1.xp == v2.xp && v1.yp == v2.yp && v1.zp == v2.zp && v1.wp == v2.wp;
-}
-
-inline bool operator!=(const QVector4D &v1, const QVector4D &v2)
-{
- return v1.xp != v2.xp || v1.yp != v2.yp || v1.zp != v2.zp || v1.wp != v2.wp;
-}
-
-inline const QVector4D operator+(const QVector4D &v1, const QVector4D &v2)
-{
- return QVector4D(v1.xp + v2.xp, v1.yp + v2.yp, v1.zp + v2.zp, v1.wp + v2.wp, 1);
-}
-
-inline const QVector4D operator-(const QVector4D &v1, const QVector4D &v2)
-{
- return QVector4D(v1.xp - v2.xp, v1.yp - v2.yp, v1.zp - v2.zp, v1.wp - v2.wp, 1);
-}
-
-inline const QVector4D operator*(qreal factor, const QVector4D &vector)
-{
- return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor, 1);
-}
-
-inline const QVector4D operator*(const QVector4D &vector, qreal factor)
-{
- return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor, 1);
-}
-
-inline const QVector4D operator*(const QVector4D &v1, const QVector4D& v2)
-{
- return QVector4D(v1.xp * v2.xp, v1.yp * v2.yp, v1.zp * v2.zp, v1.wp * v2.wp, 1);
-}
-
-inline const QVector4D operator-(const QVector4D &vector)
-{
- return QVector4D(-vector.xp, -vector.yp, -vector.zp, -vector.wp, 1);
-}
-
-inline const QVector4D operator/(const QVector4D &vector, qreal divisor)
-{
- return QVector4D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor, vector.wp / divisor, 1);
-}
-
-inline bool qFuzzyCompare(const QVector4D& v1, const QVector4D& v2)
-{
- return qFuzzyCompare(v1.xp, v2.xp) &&
- qFuzzyCompare(v1.yp, v2.yp) &&
- qFuzzyCompare(v1.zp, v2.zp) &&
- qFuzzyCompare(v1.wp, v2.wp);
-}
-
-inline QPoint QVector4D::toPoint() const
-{
- return QPoint(qRound(xp), qRound(yp));
-}
-
-inline QPointF QVector4D::toPointF() const
-{
- return QPointF(qreal(xp), qreal(yp));
-}
-
-#ifndef QT_NO_DEBUG_STREAM
-Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector4D &vector);
-#endif
-
-#ifndef QT_NO_DATASTREAM
-Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector4D &);
-Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector4D &);
-#endif
-
-#endif
-
-QT_END_NAMESPACE
-
-QT_END_HEADER
-
-#endif
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