amount of 0 should be a no-op; fast and more accurate results

BUG:263179 svn path=/trunk/KDE/kdelibs/; revision=1214508
2011-01-15 01:07:01 +00:00 · 2011-01-15 01:07:01 +00:00 · ce0885ccf3
commit ce0885ccf3
parent 007aeb35fb
1 changed files with 4 additions and 0 deletions
--- a/paintutils.cpp
+++ b/paintutils.cpp
@ -163,6 +163,10 @@ QPixmap transition(const QPixmap &from, const QPixmap &to, qreal amount)
        return from;
    }

+    if (qFuzzyCompare(amount, 0)) {
+        return from;
+    }
+
    QRect startRect(from.rect());
    QRect targetRect(to.rect());
    QSize pixmapSize = startRect.size().expandedTo(targetRect.size());