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| author | Leonardo Sobral Cunha <leo.cunha@nokia.com> | 2010-01-28 17:09:39 (GMT) |
|---|---|---|
| committer | Leonardo Sobral Cunha <leo.cunha@nokia.com> | 2010-01-29 16:25:08 (GMT) |
| commit | 519760c4256997f26c039cb4b047c6207470b54f (patch) | |
| tree | fdfd386e09caa36e11b95d69bd60d2d54b6c6754 /src/gui/graphicsview/qgraphicsitem_p.h | |
| parent | 4a5e81f5320daa82352b13e670718998b0d2d23b (diff) | |
| download | Qt-519760c4256997f26c039cb4b047c6207470b54f.zip Qt-519760c4256997f26c039cb4b047c6207470b54f.tar.gz Qt-519760c4256997f26c039cb4b047c6207470b54f.tar.bz2 | |
Adds convenience functions QGraphicsItemPrivate::isOpacityNull
This should unify the error constant used along the code and enforce qreal
to avoid unnecessary double conversions.
Reviewed-by: bnilsen
Diffstat (limited to 'src/gui/graphicsview/qgraphicsitem_p.h')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem_p.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h index 5ad6cd5..b3ca3b5 100644 --- a/src/gui/graphicsview/qgraphicsitem_p.h +++ b/src/gui/graphicsview/qgraphicsitem_p.h @@ -358,14 +358,20 @@ public: return o; } + inline bool isOpacityNull() const + { return (opacity < qreal(0.001)); } + + static inline bool isOpacityNull(qreal opacity) + { return (opacity < qreal(0.001)); } + inline bool isFullyTransparent() const { - if (opacity < 0.001) + if (isOpacityNull()) return true; if (!parent) return false; - return calcEffectiveOpacity() < 0.001; + return isOpacityNull(calcEffectiveOpacity()); } inline qreal effectiveOpacity() const { |