diff options
Diffstat (limited to 'src/corelib/tools/qpoint.h')
| -rw-r--r-- | src/corelib/tools/qpoint.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/corelib/tools/qpoint.h b/src/corelib/tools/qpoint.h index b6446e8c9f..cb7a5ecd23 100644 --- a/src/corelib/tools/qpoint.h +++ b/src/corelib/tools/qpoint.h @@ -76,6 +76,8 @@ public: inline QPoint &operator/=(qreal divisor); + Q_DECL_CONSTEXPR static inline int dotProduct(const QPoint &p1, const QPoint &p2); + friend Q_DECL_CONSTEXPR inline bool operator==(const QPoint &, const QPoint &); friend Q_DECL_CONSTEXPR inline bool operator!=(const QPoint &, const QPoint &); friend Q_DECL_CONSTEXPR inline const QPoint operator+(const QPoint &, const QPoint &); @@ -153,6 +155,9 @@ inline QPoint &QPoint::operator*=(double factor) inline QPoint &QPoint::operator*=(int factor) { xp = xp*factor; yp = yp*factor; return *this; } +Q_DECL_CONSTEXPR inline int QPoint::dotProduct(const QPoint &p1, const QPoint &p2) +{ return p1.xp * p2.xp + p1.yp * p2.yp; } + Q_DECL_CONSTEXPR inline bool operator==(const QPoint &p1, const QPoint &p2) { return p1.xp == p2.xp && p1.yp == p2.yp; } @@ -233,6 +238,8 @@ public: inline QPointF &operator*=(qreal c); inline QPointF &operator/=(qreal c); + Q_DECL_CONSTEXPR static inline qreal dotProduct(const QPointF &p1, const QPointF &p2); + friend Q_DECL_CONSTEXPR inline bool operator==(const QPointF &, const QPointF &); friend Q_DECL_CONSTEXPR inline bool operator!=(const QPointF &, const QPointF &); friend Q_DECL_CONSTEXPR inline const QPointF operator+(const QPointF &, const QPointF &); @@ -330,6 +337,11 @@ inline QPointF &QPointF::operator*=(qreal c) xp*=c; yp*=c; return *this; } +Q_DECL_CONSTEXPR inline qreal QPointF::dotProduct(const QPointF &p1, const QPointF &p2) +{ + return p1.xp * p2.xp + p1.yp * p2.yp; +} + Q_DECL_CONSTEXPR inline bool operator==(const QPointF &p1, const QPointF &p2) { return qFuzzyIsNull(p1.xp - p2.xp) && qFuzzyIsNull(p1.yp - p2.yp); |