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- /****************************************************************************
- **
- ** Copyright (C) 2016 The Qt Company Ltd.
- ** Contact: https://www.qt.io/licensing/
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** $QT_BEGIN_LICENSE:LGPL$
- ** Commercial License Usage
- ** Licensees holding valid commercial Qt licenses may use this file in
- ** accordance with the commercial license agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and The Qt Company. For licensing terms
- ** and conditions see https://www.qt.io/terms-conditions. For further
- ** information use the contact form at https://www.qt.io/contact-us.
- **
- ** GNU Lesser General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU Lesser
- ** General Public License version 3 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.LGPL3 included in the
- ** packaging of this file. Please review the following information to
- ** ensure the GNU Lesser General Public License version 3 requirements
- ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License version 2.0 or (at your option) the GNU General
- ** Public license version 3 or any later version approved by the KDE Free
- ** Qt Foundation. The licenses are as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
- ** included in the packaging of this file. Please review the following
- ** information to ensure the GNU General Public License requirements will
- ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
- ** https://www.gnu.org/licenses/gpl-3.0.html.
- **
- ** $QT_END_LICENSE$
- **
- ****************************************************************************/
- #ifndef QVECTOR4D_H
- #define QVECTOR4D_H
- #include <QtCore/qpoint.h>
- #include <QtCore/qmetatype.h>
- QT_BEGIN_NAMESPACE
- class QMatrix4x4;
- class QVector2D;
- class QVector3D;
- #ifndef QT_NO_VECTOR4D
- class Q_GUI_EXPORT QVector4D
- {
- public:
- Q_DECL_CONSTEXPR QVector4D();
- explicit QVector4D(Qt::Initialization) {}
- Q_DECL_CONSTEXPR QVector4D(float xpos, float ypos, float zpos, float wpos);
- Q_DECL_CONSTEXPR explicit QVector4D(const QPoint& point);
- Q_DECL_CONSTEXPR explicit QVector4D(const QPointF& point);
- #ifndef QT_NO_VECTOR2D
- QVector4D(const QVector2D& vector);
- QVector4D(const QVector2D& vector, float zpos, float wpos);
- #endif
- #ifndef QT_NO_VECTOR3D
- QVector4D(const QVector3D& vector);
- QVector4D(const QVector3D& vector, float wpos);
- #endif
- bool isNull() const;
- Q_DECL_CONSTEXPR float x() const;
- Q_DECL_CONSTEXPR float y() const;
- Q_DECL_CONSTEXPR float z() const;
- Q_DECL_CONSTEXPR float w() const;
- void setX(float x);
- void setY(float y);
- void setZ(float z);
- void setW(float w);
- float &operator[](int i);
- float operator[](int i) const;
- float length() const;
- float lengthSquared() const; //In Qt 6 convert to inline and constexpr
- QVector4D normalized() const Q_REQUIRED_RESULT;
- void normalize();
- QVector4D &operator+=(const QVector4D &vector);
- QVector4D &operator-=(const QVector4D &vector);
- QVector4D &operator*=(float factor);
- QVector4D &operator*=(const QVector4D &vector);
- QVector4D &operator/=(float divisor);
- inline QVector4D &operator/=(const QVector4D &vector);
- static float dotProduct(const QVector4D& v1, const QVector4D& v2); //In Qt 6 convert to inline and constexpr
- Q_DECL_CONSTEXPR friend inline bool operator==(const QVector4D &v1, const QVector4D &v2);
- Q_DECL_CONSTEXPR friend inline bool operator!=(const QVector4D &v1, const QVector4D &v2);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator+(const QVector4D &v1, const QVector4D &v2);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator-(const QVector4D &v1, const QVector4D &v2);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator*(float factor, const QVector4D &vector);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator*(const QVector4D &vector, float factor);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator*(const QVector4D &v1, const QVector4D& v2);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator-(const QVector4D &vector);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator/(const QVector4D &vector, float divisor);
- Q_DECL_CONSTEXPR friend inline const QVector4D operator/(const QVector4D &vector, const QVector4D &divisor);
- Q_DECL_CONSTEXPR 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
- Q_DECL_CONSTEXPR QPoint toPoint() const;
- Q_DECL_CONSTEXPR QPointF toPointF() const;
- operator QVariant() const;
- private:
- float xp, yp, zp, wp;
- 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
- };
- Q_DECLARE_TYPEINFO(QVector4D, Q_PRIMITIVE_TYPE);
- Q_DECL_CONSTEXPR inline QVector4D::QVector4D() : xp(0.0f), yp(0.0f), zp(0.0f), wp(0.0f) {}
- Q_DECL_CONSTEXPR inline QVector4D::QVector4D(float xpos, float ypos, float zpos, float wpos) : xp(xpos), yp(ypos), zp(zpos), wp(wpos) {}
- Q_DECL_CONSTEXPR inline QVector4D::QVector4D(const QPoint& point) : xp(point.x()), yp(point.y()), zp(0.0f), wp(0.0f) {}
- Q_DECL_CONSTEXPR 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);
- }
- Q_DECL_CONSTEXPR inline float QVector4D::x() const { return xp; }
- Q_DECL_CONSTEXPR inline float QVector4D::y() const { return yp; }
- Q_DECL_CONSTEXPR inline float QVector4D::z() const { return zp; }
- Q_DECL_CONSTEXPR inline float QVector4D::w() const { return wp; }
- inline void QVector4D::setX(float aX) { xp = aX; }
- inline void QVector4D::setY(float aY) { yp = aY; }
- inline void QVector4D::setZ(float aZ) { zp = aZ; }
- inline void QVector4D::setW(float aW) { wp = aW; }
- inline float &QVector4D::operator[](int i)
- {
- Q_ASSERT(uint(i) < 4u);
- return *(&xp + i);
- }
- inline float QVector4D::operator[](int i) const
- {
- Q_ASSERT(uint(i) < 4u);
- return *(&xp + i);
- }
- 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*=(float 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/=(float divisor)
- {
- xp /= divisor;
- yp /= divisor;
- zp /= divisor;
- wp /= divisor;
- return *this;
- }
- inline QVector4D &QVector4D::operator/=(const QVector4D &vector)
- {
- xp /= vector.xp;
- yp /= vector.yp;
- zp /= vector.zp;
- wp /= vector.wp;
- return *this;
- }
- Q_DECL_CONSTEXPR 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;
- }
- Q_DECL_CONSTEXPR 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;
- }
- Q_DECL_CONSTEXPR 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);
- }
- Q_DECL_CONSTEXPR 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);
- }
- Q_DECL_CONSTEXPR inline const QVector4D operator*(float factor, const QVector4D &vector)
- {
- return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor);
- }
- Q_DECL_CONSTEXPR inline const QVector4D operator*(const QVector4D &vector, float factor)
- {
- return QVector4D(vector.xp * factor, vector.yp * factor, vector.zp * factor, vector.wp * factor);
- }
- Q_DECL_CONSTEXPR 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);
- }
- Q_DECL_CONSTEXPR inline const QVector4D operator-(const QVector4D &vector)
- {
- return QVector4D(-vector.xp, -vector.yp, -vector.zp, -vector.wp);
- }
- Q_DECL_CONSTEXPR inline const QVector4D operator/(const QVector4D &vector, float divisor)
- {
- return QVector4D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor, vector.wp / divisor);
- }
- Q_DECL_CONSTEXPR inline const QVector4D operator/(const QVector4D &vector, const QVector4D &divisor)
- {
- return QVector4D(vector.xp / divisor.xp, vector.yp / divisor.yp, vector.zp / divisor.zp, vector.wp / divisor.wp);
- }
- Q_DECL_CONSTEXPR 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);
- }
- Q_DECL_CONSTEXPR inline QPoint QVector4D::toPoint() const
- {
- return QPoint(qRound(xp), qRound(yp));
- }
- Q_DECL_CONSTEXPR 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
- #endif
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