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stylo: Use font metrics provider as a cache for font size results

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Manish Goregaokar 2017-04-04 11:11:27 -07:00 • committed by Manish Goregaokar
parent e402c72d0e
commit 2febe7ccde
8 changed files with 60 additions and 24 deletions
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15
components/style/properties/longhand/font.mako.rs
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@ -562,17 +562,10 @@ ${helpers.single_keyword("font-variant-caps",
// XXXManishearth handle quirks mode
let base_sizes = unsafe {
Gecko_GetBaseSize(cx.style().get_font().gecko().mLanguage.raw())
};
let base_size = match cx.style().get_font().gecko().mGenericID {
structs::kGenericFont_serif => base_sizes.mDefaultSerifSize,
structs::kGenericFont_sans_serif => base_sizes.mDefaultSansSerifSize,
structs::kGenericFont_monospace => base_sizes.mDefaultMonospaceSize,
structs::kGenericFont_cursive => base_sizes.mDefaultCursiveSize,
structs::kGenericFont_fantasy => base_sizes.mDefaultFantasySize,
x => unreachable!("Unknown generic ID {}", x),
};
let ref gecko_font = cx.style().get_font().gecko();
let base_size = unsafe { Atom::with(gecko_font.mLanguage.raw(), &mut |atom| {
cx.font_metrics_provider.get_size(atom, gecko_font.mGenericID).0
}) };
let base_size_px = au_to_int_px(base_size as f32);
let html_size = *self as usize;