diff options
Diffstat (limited to 'src/gui/painting')
-rw-r--r-- | src/gui/painting/qfixed_p.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gui/painting/qfixed_p.h b/src/gui/painting/qfixed_p.h index f3718a097e..c0a13d057f 100644 --- a/src/gui/painting/qfixed_p.h +++ b/src/gui/painting/qfixed_p.h @@ -18,6 +18,7 @@ #include <QtGui/private/qtguiglobal_p.h> #include "QtCore/qdebug.h" #include "QtCore/qpoint.h" +#include "QtCore/qnumeric.h" #include "QtCore/qsize.h" QT_BEGIN_NAMESPACE @@ -136,6 +137,22 @@ constexpr inline QFixed operator+(uint i, QFixed d) { return d+i; } constexpr inline QFixed operator-(uint i, QFixed d) { return -(d-i); } // constexpr inline QFixed operator*(qreal d, QFixed d2) { return d2*d; } +inline bool qAddOverflow(QFixed v1, QFixed v2, QFixed *r) +{ + int val; + bool result = qAddOverflow(v1.value(), v2.value(), &val); + r->setValue(val); + return result; +} + +inline bool qMulOverflow(QFixed v1, QFixed v2, QFixed *r) +{ + int val; + bool result = qMulOverflow(v1.value(), v2.value(), &val); + r->setValue(val); + return result; +} + #ifndef QT_NO_DEBUG_STREAM inline QDebug &operator<<(QDebug &dbg, QFixed f) { return dbg << f.toReal(); } |