diff options
Diffstat (limited to 'src/corelib/tools/qsize.cpp')
| -rw-r--r-- | src/corelib/tools/qsize.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/corelib/tools/qsize.cpp b/src/corelib/tools/qsize.cpp index 20ac344..12287ab 100644 --- a/src/corelib/tools/qsize.cpp +++ b/src/corelib/tools/qsize.cpp @@ -492,9 +492,13 @@ QDebug operator<<(QDebug dbg, const QSize &s) { /*! \fn bool QSizeF::isNull() const - Returns true if both the width and height is 0; otherwise returns + Returns true if both the width and height are +0.0; otherwise returns false. + \note Since this function treats +0.0 and -0.0 differently, sizes with + zero width and height where either or both values have a negative + sign are not defined to be null sizes. + \sa isValid(), isEmpty() */ |