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stylo: Store font metrics provider in thread local style context

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Manish Goregaokar 2017-04-04 11:11:27 -07:00 • committed by Manish Goregaokar
parent 2ea8d61fbf
commit e402c72d0e
19 changed files with 158 additions and 35 deletions
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5
components/style/context.rs
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@ -12,6 +12,7 @@ use data::ElementData;
use dom::{OpaqueNode, TNode, TElement, SendElement};
use error_reporting::ParseErrorReporter;
use euclid::Size2D;
use font_metrics::FontMetricsProvider;
#[cfg(feature = "gecko")] use gecko_bindings::structs;
use matching::StyleSharingCandidateCache;
use parking_lot::RwLock;
@ -291,6 +292,9 @@ pub struct ThreadLocalStyleContext<E: TElement> {
pub statistics: TraversalStatistics,
/// Information related to the current element, non-None during processing.
pub current_element_info: Option<CurrentElementInfo>,
/// The struct used to compute and cache font metrics from style
/// for evaluation of the font-relative em/ch units and font-size
pub font_metrics_provider: E::FontMetricsProvider,
}
impl<E: TElement> ThreadLocalStyleContext<E> {
@ -303,6 +307,7 @@ impl<E: TElement> ThreadLocalStyleContext<E> {
tasks: Vec::new(),
statistics: TraversalStatistics::default(),
current_element_info: None,
font_metrics_provider: E::FontMetricsProvider::create_from(shared),
}
}