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| author | Alexis Menard <alexis.menard@nokia.com> | 2009-05-12 12:45:32 (GMT) |
|---|---|---|
| committer | Alexis Menard <alexis.menard@nokia.com> | 2009-05-12 12:45:32 (GMT) |
| commit | 1898c46452beae9e28cf9be7851099b4b4d2779e (patch) | |
| tree | 00477e689bf1bd867fb3428476029b47817a9db8 /src/gui/painting/qtransform.h | |
| parent | f15b8a83e2e51955776a3f07cb85ebfc342dd8ef (diff) | |
| parent | 4d5a5149b716c67f031a3a40e23370f90542c92f (diff) | |
| download | Qt-1898c46452beae9e28cf9be7851099b4b4d2779e.zip Qt-1898c46452beae9e28cf9be7851099b4b4d2779e.tar.gz Qt-1898c46452beae9e28cf9be7851099b4b4d2779e.tar.bz2 | |
Merge branch '4.5' of git@scm.dev.nokia.troll.no:qt/qt into kinetic-statemachine
Conflicts:
src/gui/graphicsview/qgraphicsitem.cpp
Diffstat (limited to 'src/gui/painting/qtransform.h')
| -rw-r--r-- | src/gui/painting/qtransform.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gui/painting/qtransform.h b/src/gui/painting/qtransform.h index de7ebcd..c76409b 100644 --- a/src/gui/painting/qtransform.h +++ b/src/gui/painting/qtransform.h @@ -257,6 +257,8 @@ inline qreal QTransform::dy() const inline QTransform &QTransform::operator*=(qreal num) { + if (num == 1.) + return *this; affine._m11 *= num; affine._m12 *= num; m_13 *= num; @@ -271,11 +273,15 @@ inline QTransform &QTransform::operator*=(qreal num) } inline QTransform &QTransform::operator/=(qreal div) { + if (div == 0) + return *this; div = 1/div; return operator*=(div); } inline QTransform &QTransform::operator+=(qreal num) { + if (num == 0) + return *this; affine._m11 += num; affine._m12 += num; m_13 += num; @@ -290,6 +296,8 @@ inline QTransform &QTransform::operator+=(qreal num) } inline QTransform &QTransform::operator-=(qreal num) { + if (num == 0) + return *this; affine._m11 -= num; affine._m12 -= num; m_13 -= num; |