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Cache last fontgroup. Style recalc on wikipedia/rust 66ms -> 41ms.

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This commit is contained in:
Glenn Watson 2014-10-23 15:50:28 +10:00
parent 012a80cc18
commit b1c226778f
6 changed files with 36 additions and 13 deletions
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4
components/layout/fragment.rs
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@ -724,7 +724,7 @@ impl Fragment {
}
pub fn calculate_line_height(&self, layout_context: &LayoutContext) -> Au {
let font_style = self.style.get_font();
let font_style = self.style.get_font_arc();
let font_metrics = text::font_metrics_for_style(layout_context.font_context(), font_style);
text::line_height_from_style(&*self.style, &font_metrics)
}
@ -1394,7 +1394,7 @@ impl Fragment {
InlineBlockFragment(ref info) => {
// See CSS 2.1 § 10.8.1.
let block_flow = info.flow_ref.deref().as_immutable_block();
let font_style = self.style.get_font();
let font_style = self.style.get_font_arc();
let font_metrics = text::font_metrics_for_style(layout_context.font_context(),
font_style);
InlineMetrics::from_block_height(&font_metrics,