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layout: Paint stacking contexts' overflow areas properly.

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This was making `box-shadow` not show up in many cases, in particular,
but the effects were not limited to that.
This commit is contained in:
Patrick Walton 2014-12-18 18:59:42 -08:00
parent ba8cf6b0e6
commit 5ea2c6dcfd
30 changed files with 357 additions and 179 deletions
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3
components/gfx/display_list/optimizer.rs
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@ -59,7 +59,8 @@ impl DisplayListOptimizer {
mut stacking_contexts: I)
where I: Iterator<&'a Arc<StackingContext>> {
for stacking_context in stacking_contexts {
if self.visible_rect.intersects(&stacking_context.bounds) {
let overflow = stacking_context.overflow.translate(&stacking_context.bounds.origin);
if self.visible_rect.intersects(&overflow) {
result_list.push_back((*stacking_context).clone())
}
}