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| author | Lars Knoll <lars.knoll@nokia.com> | 2009-06-02 19:02:42 (GMT) |
|---|---|---|
| committer | Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> | 2009-06-09 07:31:25 (GMT) |
| commit | 07dca7a30d4bd1efd8032915700420cca3fd60fa (patch) | |
| tree | 414937afaf27e0876bdfcf315da498acfb1e2623 /src/gui/painting | |
| parent | bdb0c0fc98fc1998f6a7ee21be29513534be3713 (diff) | |
| download | Qt-07dca7a30d4bd1efd8032915700420cca3fd60fa.zip Qt-07dca7a30d4bd1efd8032915700420cca3fd60fa.tar.gz Qt-07dca7a30d4bd1efd8032915700420cca3fd60fa.tar.bz2 | |
implement equality operator in a more sane way
Using qFuzzyCompare for checking whether two transformations
are equal doesn't give us too much and is inconsistent with
our other matrix classes. Using simple floating point
equality is a lot faster as well.
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qtransform.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp index 86e594c..bd2ea31 100644 --- a/src/gui/painting/qtransform.cpp +++ b/src/gui/painting/qtransform.cpp @@ -700,11 +700,15 @@ QTransform & QTransform::rotateRadians(qreal a, Qt::Axis axis) */ bool QTransform::operator==(const QTransform &o) const { -#define qFZ qFuzzyCompare - return qFZ(affine._m11, o.affine._m11) && qFZ(affine._m12, o.affine._m12) && qFZ(m_13, o.m_13) - && qFZ(affine._m21, o.affine._m21) && qFZ(affine._m22, o.affine._m22) && qFZ(m_23, o.m_23) - && qFZ(affine._dx, o.affine._dx) && qFZ(affine._dy, o.affine._dy) && qFZ(m_33, o.m_33); -#undef qFZ + return affine._m11 == o.affine._m11 && + affine._m12 == o.affine._m12 && + affine._m21 == o.affine._m21 && + affine._m22 == o.affine._m22 && + affine._dx == o.affine._dx && + affine._dy == o.affine._dy && + m_13 == o.m_13 && + m_23 == o.m_23 && + m_33 == o.m_33; } /*! |