diff options
author | Friedemann Kleint <Friedemann.Kleint@digia.com> | 2012-12-10 16:53:16 +0100 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-01-07 16:11:19 +0100 |
commit | bc5a2336ab9a681411a81a53d8639b4b79f80073 (patch) | |
tree | 17961ae7f53f8f96c567f4b3cde2f4bbf774e5f2 /src/corelib/tools/qmargins.h | |
parent | 6ecc3e76e822b1545bcbfa78f5caf94156a026d2 (diff) |
Provide operators for QMargins.
Provide addition/subtraction for QMargins as well as
multiplication and division for int/qreal similar
to QPoint. Add unary minus.
Change-Id: If4eb831cfd610b34b5ca361619b1636031811d0a
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
Diffstat (limited to 'src/corelib/tools/qmargins.h')
-rw-r--r-- | src/corelib/tools/qmargins.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/corelib/tools/qmargins.h b/src/corelib/tools/qmargins.h index a933a60fed..dd6fb0261a 100644 --- a/src/corelib/tools/qmargins.h +++ b/src/corelib/tools/qmargins.h @@ -67,6 +67,15 @@ public: void setRight(int right); void setBottom(int bottom); + QMargins &operator+=(const QMargins &margins); + QMargins &operator-=(const QMargins &margins); + QMargins &operator+=(int); + QMargins &operator-=(int); + QMargins &operator*=(int); + QMargins &operator/=(int); + QMargins &operator*=(qreal); + QMargins &operator/=(qreal); + private: int m_left; int m_top; @@ -177,6 +186,89 @@ inline QRect &QRect::operator-=(const QMargins &margins) return *this; } +Q_DECL_CONSTEXPR inline QMargins operator+(const QMargins &m1, const QMargins &m2) +{ + return QMargins(m1.left() + m2.left(), m1.top() + m2.top(), + m1.right() + m2.right(), m1.bottom() + m2.bottom()); +} + +Q_DECL_CONSTEXPR inline QMargins operator-(const QMargins &m1, const QMargins &m2) +{ + return QMargins(m1.left() - m2.left(), m1.top() - m2.top(), + m1.right() - m2.right(), m1.bottom() - m2.bottom()); +} + +Q_DECL_CONSTEXPR inline QMargins operator*(const QMargins &margins, int factor) +{ + return QMargins(margins.left() * factor, margins.top() * factor, + margins.right() * factor, margins.bottom() * factor); +} + +Q_DECL_CONSTEXPR inline QMargins operator*(int factor, const QMargins &margins) +{ + return QMargins(margins.left() * factor, margins.top() * factor, + margins.right() * factor, margins.bottom() * factor); +} + +Q_DECL_CONSTEXPR inline QMargins operator*(const QMargins &margins, qreal factor) +{ + return QMargins(qRound(margins.left() * factor), qRound(margins.top() * factor), + qRound(margins.right() * factor), qRound(margins.bottom() * factor)); +} + +Q_DECL_CONSTEXPR inline QMargins operator*(qreal factor, const QMargins &margins) +{ + return QMargins(qRound(margins.left() * factor), qRound(margins.top() * factor), + qRound(margins.right() * factor), qRound(margins.bottom() * factor)); +} + +Q_DECL_CONSTEXPR inline QMargins operator/(const QMargins &margins, int divisor) +{ + return QMargins(margins.left() / divisor, margins.top() / divisor, + margins.right() / divisor, margins.bottom() / divisor); +} + +Q_DECL_CONSTEXPR inline QMargins operator/(const QMargins &margins, qreal divisor) +{ + return QMargins(qRound(margins.left() / divisor), qRound(margins.top() / divisor), + qRound(margins.right() / divisor), qRound(margins.bottom() / divisor)); +} + +inline QMargins &QMargins::operator+=(const QMargins &margins) +{ + return *this = *this + margins; +} + +inline QMargins &QMargins::operator-=(const QMargins &margins) +{ + return *this = *this - margins; +} + +inline QMargins &QMargins::operator*=(int factor) +{ + return *this = *this * factor; +} + +inline QMargins &QMargins::operator/=(int divisor) +{ + return *this = *this / divisor; +} + +inline QMargins &QMargins::operator*=(qreal factor) +{ + return *this = *this * factor; +} + +inline QMargins &QMargins::operator/=(qreal divisor) +{ + return *this = *this / divisor; +} + +Q_DECL_CONSTEXPR inline QMargins operator-(const QMargins &margins) +{ + return QMargins(-margins.left(), -margins.top(), -margins.right(), -margins.bottom()); +} + #ifndef QT_NO_DEBUG_STREAM Q_CORE_EXPORT QDebug operator<<(QDebug, const QMargins &); #endif |