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- #ifndef QVECTOR2D_H
- #define QVECTOR2D_H
- #include <QtCore/qpoint.h>
- #include <QtCore/qmetatype.h>
- QT_BEGIN_NAMESPACE
- class QVector3D;
- class QVector4D;
- class QVariant;
- #ifndef QT_NO_VECTOR2D
- class Q_GUI_EXPORT QVector2D
- {
- public:
- Q_DECL_CONSTEXPR QVector2D();
- explicit QVector2D(Qt::Initialization) {}
- Q_DECL_CONSTEXPR QVector2D(float xpos, float ypos);
- Q_DECL_CONSTEXPR explicit QVector2D(const QPoint& point);
- Q_DECL_CONSTEXPR 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;
- Q_DECL_CONSTEXPR float x() const;
- Q_DECL_CONSTEXPR float y() const;
- void setX(float x);
- void setY(float y);
- float &operator[](int i);
- float operator[](int i) const;
- float length() const;
- float lengthSquared() const;
- QVector2D normalized() const Q_REQUIRED_RESULT;
- void normalize();
- float distanceToPoint(const QVector2D &point) const;
- float distanceToLine(const QVector2D& point, const QVector2D& direction) const;
- QVector2D &operator+=(const QVector2D &vector);
- QVector2D &operator-=(const QVector2D &vector);
- QVector2D &operator*=(float factor);
- QVector2D &operator*=(const QVector2D &vector);
- QVector2D &operator/=(float divisor);
- inline QVector2D &operator/=(const QVector2D &vector);
- static float dotProduct(const QVector2D& v1, const QVector2D& v2);
- Q_DECL_CONSTEXPR friend inline bool operator==(const QVector2D &v1, const QVector2D &v2);
- Q_DECL_CONSTEXPR friend inline bool operator!=(const QVector2D &v1, const QVector2D &v2);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator*(float factor, const QVector2D &vector);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator*(const QVector2D &vector, float factor);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator-(const QVector2D &vector);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator/(const QVector2D &vector, float divisor);
- Q_DECL_CONSTEXPR friend inline const QVector2D operator/(const QVector2D &vector, const QVector2D &divisor);
- Q_DECL_CONSTEXPR 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
- Q_DECL_CONSTEXPR QPoint toPoint() const;
- Q_DECL_CONSTEXPR QPointF toPointF() const;
- operator QVariant() const;
- private:
- float xp, yp;
- friend class QVector3D;
- friend class QVector4D;
- };
- Q_DECLARE_TYPEINFO(QVector2D, Q_PRIMITIVE_TYPE);
- Q_DECL_CONSTEXPR inline QVector2D::QVector2D() : xp(0.0f), yp(0.0f) {}
- Q_DECL_CONSTEXPR inline QVector2D::QVector2D(float xpos, float ypos) : xp(xpos), yp(ypos) {}
- Q_DECL_CONSTEXPR inline QVector2D::QVector2D(const QPoint& point) : xp(point.x()), yp(point.y()) {}
- Q_DECL_CONSTEXPR inline QVector2D::QVector2D(const QPointF& point) : xp(point.x()), yp(point.y()) {}
- inline bool QVector2D::isNull() const
- {
- return qIsNull(xp) && qIsNull(yp);
- }
- Q_DECL_CONSTEXPR inline float QVector2D::x() const { return xp; }
- Q_DECL_CONSTEXPR inline float QVector2D::y() const { return yp; }
- inline void QVector2D::setX(float aX) { xp = aX; }
- inline void QVector2D::setY(float aY) { yp = aY; }
- inline float &QVector2D::operator[](int i)
- {
- Q_ASSERT(uint(i) < 2u);
- return *(&xp + i);
- }
- inline float QVector2D::operator[](int i) const
- {
- Q_ASSERT(uint(i) < 2u);
- return *(&xp + i);
- }
- 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*=(float 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/=(float divisor)
- {
- xp /= divisor;
- yp /= divisor;
- return *this;
- }
- inline QVector2D &QVector2D::operator/=(const QVector2D &vector)
- {
- xp /= vector.xp;
- yp /= vector.yp;
- return *this;
- }
- Q_DECL_CONSTEXPR inline bool operator==(const QVector2D &v1, const QVector2D &v2)
- {
- return v1.xp == v2.xp && v1.yp == v2.yp;
- }
- Q_DECL_CONSTEXPR inline bool operator!=(const QVector2D &v1, const QVector2D &v2)
- {
- return v1.xp != v2.xp || v1.yp != v2.yp;
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator+(const QVector2D &v1, const QVector2D &v2)
- {
- return QVector2D(v1.xp + v2.xp, v1.yp + v2.yp);
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator-(const QVector2D &v1, const QVector2D &v2)
- {
- return QVector2D(v1.xp - v2.xp, v1.yp - v2.yp);
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator*(float factor, const QVector2D &vector)
- {
- return QVector2D(vector.xp * factor, vector.yp * factor);
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator*(const QVector2D &vector, float factor)
- {
- return QVector2D(vector.xp * factor, vector.yp * factor);
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator*(const QVector2D &v1, const QVector2D &v2)
- {
- return QVector2D(v1.xp * v2.xp, v1.yp * v2.yp);
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator-(const QVector2D &vector)
- {
- return QVector2D(-vector.xp, -vector.yp);
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator/(const QVector2D &vector, float divisor)
- {
- return QVector2D(vector.xp / divisor, vector.yp / divisor);
- }
- Q_DECL_CONSTEXPR inline const QVector2D operator/(const QVector2D &vector, const QVector2D &divisor)
- {
- return QVector2D(vector.xp / divisor.xp, vector.yp / divisor.yp);
- }
- Q_DECL_CONSTEXPR inline bool qFuzzyCompare(const QVector2D& v1, const QVector2D& v2)
- {
- return qFuzzyCompare(v1.xp, v2.xp) && qFuzzyCompare(v1.yp, v2.yp);
- }
- Q_DECL_CONSTEXPR inline QPoint QVector2D::toPoint() const
- {
- return QPoint(qRound(xp), qRound(yp));
- }
- Q_DECL_CONSTEXPR 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
- #endif
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