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Support font-feature-settings as a @font-face descriptor

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This commit is contained in:
Anthony Ramine 2017-05-18 12:59:45 +02:00
parent 7d66e65d94
commit a0886213b6
3 changed files with 44 additions and 12 deletions
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26
components/style/gecko/rules.rs
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@ -4,7 +4,8 @@
//! Bindings for CSS Rule objects
use computed_values::{font_style, font_weight, font_stretch};
use byteorder::{BigEndian, WriteBytesExt};
use computed_values::{font_feature_settings, font_stretch, font_style, font_weight};
use computed_values::font_family::FamilyName;
use counter_style;
use cssparser::UnicodeRange;
@ -15,7 +16,7 @@ use gecko_bindings::structs::{nsCSSCounterDesc, nsCSSCounterStyleRule};
use gecko_bindings::sugar::ns_css_value::ToNsCssValue;
use gecko_bindings::sugar::refptr::{RefPtr, UniqueRefPtr};
use shared_lock::{ToCssWithGuard, SharedRwLockReadGuard};
use std::fmt;
use std::{fmt, str};
/// A @font-face rule
pub type FontFaceRule = RefPtr<nsCSSFontFaceRule>;
@ -32,6 +33,27 @@ impl ToNsCssValue for font_weight::T {
}
}
impl ToNsCssValue for font_feature_settings::T {
fn convert(self, nscssvalue: &mut nsCSSValue) {
match self {
font_feature_settings::T::Normal => nscssvalue.set_normal(),
font_feature_settings::T::Tag(tags) => {
nscssvalue.set_pair_list(tags.into_iter().map(|entry| {
let mut feature = nsCSSValue::null();
let mut raw = [0u8; 4];
(&mut raw[..]).write_u32::<BigEndian>(entry.tag).unwrap();
feature.set_string(str::from_utf8(&raw).unwrap());
let mut index = nsCSSValue::null();
index.set_integer(entry.value as i32);
(feature, index)
}))
}
}
}
}
macro_rules! map_enum {
(
$(