// positioning of inline children (bidi)
virtual void position(InlineBox*, int, int, bool, bool) {}
+ bool isTransparent() const { return style()->opacity() < 1.0f; }
+ float opacity() const { return style()->opacity(); }
+
// Applied as a "slop" to dirty rect checks during the outline painting phase's dirty-rect checks.
int maximalOutlineSize(PaintAction p) const;