Windows-4.7.4/src/gui/math3d/qvector3d.h - platform/external/qt - Git at Google

 /****************************************************************************
 **
 ** 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
 ** 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.
 **
 ** Other Usage
 ** Alternatively, this file may be used in accordance with the terms and
 ** conditions contained in a signed written agreement between you and Nokia.
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef QVECTOR3D_H
 #define QVECTOR3D_H

 #include <QtCore/qpoint.h>
 #include <QtCore/qmetatype.h>

 QT_BEGIN_HEADER

 QT_BEGIN_NAMESPACE

 QT_MODULE(Gui)

 class QMatrix4x4;
 class QVector2D;
 class QVector4D;

 #ifndef QT_NO_VECTOR3D

 class Q_GUI_EXPORT QVector3D
 {
 public:
     QVector3D();
     QVector3D(qreal xpos, qreal ypos, qreal zpos);
     explicit QVector3D(const QPoint& point);
     explicit QVector3D(const QPointF& point);
 #ifndef QT_NO_VECTOR2D
     QVector3D(const QVector2D& vector);
     QVector3D(const QVector2D& vector, qreal zpos);
 #endif
 #ifndef QT_NO_VECTOR4D
     explicit QVector3D(const QVector4D& vector);
 #endif

     bool isNull() const;

     qreal x() const;
     qreal y() const;
     qreal z() const;

     void setX(qreal x);
     void setY(qreal y);
     void setZ(qreal z);

     qreal length() const;
     qreal lengthSquared() const;

     QVector3D normalized() const;
     void normalize();

     QVector3D &operator+=(const QVector3D &vector);
     QVector3D &operator-=(const QVector3D &vector);
     QVector3D &operator*=(qreal factor);
     QVector3D &operator*=(const QVector3D& vector);
     QVector3D &operator/=(qreal divisor);

     static qreal dotProduct(const QVector3D& v1, const QVector3D& v2);
     static QVector3D crossProduct(const QVector3D& v1, const QVector3D& v2);
     static QVector3D normal(const QVector3D& v1, const QVector3D& v2);
     static QVector3D normal
         (const QVector3D& v1, const QVector3D& v2, const QVector3D& v3);

     qreal distanceToPlane(const QVector3D& plane, const QVector3D& normal) const;
     qreal distanceToPlane(const QVector3D& plane1, const QVector3D& plane2, const QVector3D& plane3) const;
     qreal distanceToLine(const QVector3D& point, const QVector3D& direction) const;

     friend inline bool operator==(const QVector3D &v1, const QVector3D &v2);
     friend inline bool operator!=(const QVector3D &v1, const QVector3D &v2);
     friend inline const QVector3D operator+(const QVector3D &v1, const QVector3D &v2);
     friend inline const QVector3D operator-(const QVector3D &v1, const QVector3D &v2);
     friend inline const QVector3D operator*(qreal factor, const QVector3D &vector);
     friend inline const QVector3D operator*(const QVector3D &vector, qreal factor);
     friend const QVector3D operator*(const QVector3D &v1, const QVector3D& v2);
     friend inline const QVector3D operator-(const QVector3D &vector);
     friend inline const QVector3D operator/(const QVector3D &vector, qreal divisor);

     friend inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2);

 #ifndef QT_NO_VECTOR2D
     QVector2D toVector2D() const;
 #endif
 #ifndef QT_NO_VECTOR4D
     QVector4D toVector4D() const;
 #endif

     QPoint toPoint() const;
     QPointF toPointF() const;

     operator QVariant() const;

 private:
     float xp, yp, zp;

     QVector3D(float xpos, float ypos, float zpos, int dummy);

     friend class QVector2D;
     friend class QVector4D;
 #ifndef QT_NO_MATRIX4X4
     friend QVector3D operator*(const QVector3D& vector, const QMatrix4x4& matrix);
     friend QVector3D operator*(const QMatrix4x4& matrix, const QVector3D& vector);
 #endif
 };

 Q_DECLARE_TYPEINFO(QVector3D, Q_MOVABLE_TYPE);

 inline QVector3D::QVector3D() : xp(0.0f), yp(0.0f), zp(0.0f) {}

 inline QVector3D::QVector3D(qreal xpos, qreal ypos, qreal zpos) : xp(xpos), yp(ypos), zp(zpos) {}

 inline QVector3D::QVector3D(float xpos, float ypos, float zpos, int) : xp(xpos), yp(ypos), zp(zpos) {}

 inline QVector3D::QVector3D(const QPoint& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}

 inline QVector3D::QVector3D(const QPointF& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}

 inline bool QVector3D::isNull() const
 {
     return qIsNull(xp) && qIsNull(yp) && qIsNull(zp);
 }

 inline qreal QVector3D::x() const { return qreal(xp); }
 inline qreal QVector3D::y() const { return qreal(yp); }
 inline qreal QVector3D::z() const { return qreal(zp); }

 inline void QVector3D::setX(qreal aX) { xp = aX; }
 inline void QVector3D::setY(qreal aY) { yp = aY; }
 inline void QVector3D::setZ(qreal aZ) { zp = aZ; }

 inline QVector3D &QVector3D::operator+=(const QVector3D &vector)
 {
     xp += vector.xp;
     yp += vector.yp;
     zp += vector.zp;
     return *this;
 }

 inline QVector3D &QVector3D::operator-=(const QVector3D &vector)
 {
     xp -= vector.xp;
     yp -= vector.yp;
     zp -= vector.zp;
     return *this;
 }

 inline QVector3D &QVector3D::operator*=(qreal factor)
 {
     xp *= factor;
     yp *= factor;
     zp *= factor;
     return *this;
 }

 inline QVector3D &QVector3D::operator*=(const QVector3D& vector)
 {
     xp *= vector.xp;
     yp *= vector.yp;
     zp *= vector.zp;
     return *this;
 }

 inline QVector3D &QVector3D::operator/=(qreal divisor)
 {
     xp /= divisor;
     yp /= divisor;
     zp /= divisor;
     return *this;
 }

 inline bool operator==(const QVector3D &v1, const QVector3D &v2)
 {
     return v1.xp == v2.xp && v1.yp == v2.yp && v1.zp == v2.zp;
 }

 inline bool operator!=(const QVector3D &v1, const QVector3D &v2)
 {
     return v1.xp != v2.xp || v1.yp != v2.yp || v1.zp != v2.zp;
 }

 inline const QVector3D operator+(const QVector3D &v1, const QVector3D &v2)
 {
     return QVector3D(v1.xp + v2.xp, v1.yp + v2.yp, v1.zp + v2.zp, 1);
 }

 inline const QVector3D operator-(const QVector3D &v1, const QVector3D &v2)
 {
     return QVector3D(v1.xp - v2.xp, v1.yp - v2.yp, v1.zp - v2.zp, 1);
 }

 inline const QVector3D operator*(qreal factor, const QVector3D &vector)
 {
     return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor, 1);
 }

 inline const QVector3D operator*(const QVector3D &vector, qreal factor)
 {
     return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor, 1);
 }

 inline const QVector3D operator*(const QVector3D &v1, const QVector3D& v2)
 {
     return QVector3D(v1.xp * v2.xp, v1.yp * v2.yp, v1.zp * v2.zp, 1);
 }

 inline const QVector3D operator-(const QVector3D &vector)
 {
     return QVector3D(-vector.xp, -vector.yp, -vector.zp, 1);
 }

 inline const QVector3D operator/(const QVector3D &vector, qreal divisor)
 {
     return QVector3D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor, 1);
 }

 inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2)
 {
     return qFuzzyCompare(v1.xp, v2.xp) &&
            qFuzzyCompare(v1.yp, v2.yp) &&
            qFuzzyCompare(v1.zp, v2.zp);
 }

 inline QPoint QVector3D::toPoint() const
 {
     return QPoint(qRound(xp), qRound(yp));
 }

 inline QPointF QVector3D::toPointF() const
 {
     return QPointF(qreal(xp), qreal(yp));
 }

 #ifndef QT_NO_DEBUG_STREAM
 Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector3D &vector);
 #endif

 #ifndef QT_NO_DATASTREAM
 Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector3D &);
 Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector3D &);
 #endif

 #endif

 QT_END_NAMESPACE

 QT_END_HEADER

 #endif
	/****************************************************************************
	**
	** 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
	** 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.
	**
	** Other Usage
	** Alternatively, this file may be used in accordance with the terms and
	** conditions contained in a signed written agreement between you and Nokia.
	**
	**
	**
	**
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#ifndef QVECTOR3D_H
	#define QVECTOR3D_H

	#include <QtCore/qpoint.h>
	#include <QtCore/qmetatype.h>

	QT_BEGIN_HEADER

	QT_BEGIN_NAMESPACE

	QT_MODULE(Gui)

	class QMatrix4x4;
	class QVector2D;
	class QVector4D;

	#ifndef QT_NO_VECTOR3D

	class Q_GUI_EXPORT QVector3D
	{
	public:
	QVector3D();
	QVector3D(qreal xpos, qreal ypos, qreal zpos);
	explicit QVector3D(const QPoint& point);
	explicit QVector3D(const QPointF& point);
	#ifndef QT_NO_VECTOR2D
	QVector3D(const QVector2D& vector);
	QVector3D(const QVector2D& vector, qreal zpos);
	#endif
	#ifndef QT_NO_VECTOR4D
	explicit QVector3D(const QVector4D& vector);
	#endif

	bool isNull() const;

	qreal x() const;
	qreal y() const;
	qreal z() const;

	void setX(qreal x);
	void setY(qreal y);
	void setZ(qreal z);

	qreal length() const;
	qreal lengthSquared() const;

	QVector3D normalized() const;
	void normalize();

	QVector3D &operator+=(const QVector3D &vector);
	QVector3D &operator-=(const QVector3D &vector);
	QVector3D &operator*=(qreal factor);
	QVector3D &operator*=(const QVector3D& vector);
	QVector3D &operator/=(qreal divisor);

	static qreal dotProduct(const QVector3D& v1, const QVector3D& v2);
	static QVector3D crossProduct(const QVector3D& v1, const QVector3D& v2);
	static QVector3D normal(const QVector3D& v1, const QVector3D& v2);
	static QVector3D normal
	(const QVector3D& v1, const QVector3D& v2, const QVector3D& v3);

	qreal distanceToPlane(const QVector3D& plane, const QVector3D& normal) const;
	qreal distanceToPlane(const QVector3D& plane1, const QVector3D& plane2, const QVector3D& plane3) const;
	qreal distanceToLine(const QVector3D& point, const QVector3D& direction) const;

	friend inline bool operator==(const QVector3D &v1, const QVector3D &v2);
	friend inline bool operator!=(const QVector3D &v1, const QVector3D &v2);
	friend inline const QVector3D operator+(const QVector3D &v1, const QVector3D &v2);
	friend inline const QVector3D operator-(const QVector3D &v1, const QVector3D &v2);
	friend inline const QVector3D operator*(qreal factor, const QVector3D &vector);
	friend inline const QVector3D operator*(const QVector3D &vector, qreal factor);
	friend const QVector3D operator*(const QVector3D &v1, const QVector3D& v2);
	friend inline const QVector3D operator-(const QVector3D &vector);
	friend inline const QVector3D operator/(const QVector3D &vector, qreal divisor);

	friend inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2);

	#ifndef QT_NO_VECTOR2D
	QVector2D toVector2D() const;
	#endif
	#ifndef QT_NO_VECTOR4D
	QVector4D toVector4D() const;
	#endif

	QPoint toPoint() const;
	QPointF toPointF() const;

	operator QVariant() const;

	private:
	float xp, yp, zp;

	QVector3D(float xpos, float ypos, float zpos, int dummy);

	friend class QVector2D;
	friend class QVector4D;
	#ifndef QT_NO_MATRIX4X4
	friend QVector3D operator*(const QVector3D& vector, const QMatrix4x4& matrix);
	friend QVector3D operator*(const QMatrix4x4& matrix, const QVector3D& vector);
	#endif
	};

	Q_DECLARE_TYPEINFO(QVector3D, Q_MOVABLE_TYPE);

	inline QVector3D::QVector3D() : xp(0.0f), yp(0.0f), zp(0.0f) {}

	inline QVector3D::QVector3D(qreal xpos, qreal ypos, qreal zpos) : xp(xpos), yp(ypos), zp(zpos) {}

	inline QVector3D::QVector3D(float xpos, float ypos, float zpos, int) : xp(xpos), yp(ypos), zp(zpos) {}

	inline QVector3D::QVector3D(const QPoint& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}

	inline QVector3D::QVector3D(const QPointF& point) : xp(point.x()), yp(point.y()), zp(0.0f) {}

	inline bool QVector3D::isNull() const
	{
	return qIsNull(xp) && qIsNull(yp) && qIsNull(zp);
	}

	inline qreal QVector3D::x() const { return qreal(xp); }
	inline qreal QVector3D::y() const { return qreal(yp); }
	inline qreal QVector3D::z() const { return qreal(zp); }

	inline void QVector3D::setX(qreal aX) { xp = aX; }
	inline void QVector3D::setY(qreal aY) { yp = aY; }
	inline void QVector3D::setZ(qreal aZ) { zp = aZ; }

	inline QVector3D &QVector3D::operator+=(const QVector3D &vector)
	{
	xp += vector.xp;
	yp += vector.yp;
	zp += vector.zp;
	return *this;
	}

	inline QVector3D &QVector3D::operator-=(const QVector3D &vector)
	{
	xp -= vector.xp;
	yp -= vector.yp;
	zp -= vector.zp;
	return *this;
	}

	inline QVector3D &QVector3D::operator*=(qreal factor)
	{
	xp *= factor;
	yp *= factor;
	zp *= factor;
	return *this;
	}

	inline QVector3D &QVector3D::operator*=(const QVector3D& vector)
	{
	xp *= vector.xp;
	yp *= vector.yp;
	zp *= vector.zp;
	return *this;
	}

	inline QVector3D &QVector3D::operator/=(qreal divisor)
	{
	xp /= divisor;
	yp /= divisor;
	zp /= divisor;
	return *this;
	}

	inline bool operator==(const QVector3D &v1, const QVector3D &v2)
	{
	return v1.xp == v2.xp && v1.yp == v2.yp && v1.zp == v2.zp;
	}

	inline bool operator!=(const QVector3D &v1, const QVector3D &v2)
	{
	return v1.xp != v2.xp \|\| v1.yp != v2.yp \|\| v1.zp != v2.zp;
	}

	inline const QVector3D operator+(const QVector3D &v1, const QVector3D &v2)
	{
	return QVector3D(v1.xp + v2.xp, v1.yp + v2.yp, v1.zp + v2.zp, 1);
	}

	inline const QVector3D operator-(const QVector3D &v1, const QVector3D &v2)
	{
	return QVector3D(v1.xp - v2.xp, v1.yp - v2.yp, v1.zp - v2.zp, 1);
	}

	inline const QVector3D operator*(qreal factor, const QVector3D &vector)
	{
	return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor, 1);
	}

	inline const QVector3D operator*(const QVector3D &vector, qreal factor)
	{
	return QVector3D(vector.xp * factor, vector.yp * factor, vector.zp * factor, 1);
	}

	inline const QVector3D operator*(const QVector3D &v1, const QVector3D& v2)
	{
	return QVector3D(v1.xp * v2.xp, v1.yp * v2.yp, v1.zp * v2.zp, 1);
	}

	inline const QVector3D operator-(const QVector3D &vector)
	{
	return QVector3D(-vector.xp, -vector.yp, -vector.zp, 1);
	}

	inline const QVector3D operator/(const QVector3D &vector, qreal divisor)
	{
	return QVector3D(vector.xp / divisor, vector.yp / divisor, vector.zp / divisor, 1);
	}

	inline bool qFuzzyCompare(const QVector3D& v1, const QVector3D& v2)
	{
	return qFuzzyCompare(v1.xp, v2.xp) &&
	qFuzzyCompare(v1.yp, v2.yp) &&
	qFuzzyCompare(v1.zp, v2.zp);
	}

	inline QPoint QVector3D::toPoint() const
	{
	return QPoint(qRound(xp), qRound(yp));
	}

	inline QPointF QVector3D::toPointF() const
	{
	return QPointF(qreal(xp), qreal(yp));
	}

	#ifndef QT_NO_DEBUG_STREAM
	Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QVector3D &vector);
	#endif

	#ifndef QT_NO_DATASTREAM
	Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QVector3D &);
	Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QVector3D &);
	#endif

	#endif

	QT_END_NAMESPACE

	QT_END_HEADER

	#endif