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font-feature-settings gecko glue code

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FeatureTagValue value property changed to use u32. ToCss for
FeatureTagValue changed to allow conversion from u32 to string. Parse
for the same struct updated to convert from string to u32. Added two
functions to transfer settings to gecko and copy settings.
This commit is contained in:
Juan C. Gonzalez-Zurita 2017-04-20 15:20:02 -04:00
parent 3905b5af18
commit a3dbf1d275
6 changed files with 79 additions and 17 deletions
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37
components/style/properties/gecko.mako.rs
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@ -1296,12 +1296,47 @@ fn static_assert() {
skip_font_longhands = """font-family font-size font-size-adjust font-weight
font-synthesis -x-lang font-variant-alternates
font-variant-east-asian font-variant-ligatures
font-variant-numeric font-language-override"""
font-variant-numeric font-language-override
font-feature-settings"""
%>
<%self:impl_trait style_struct_name="Font"
skip_longhands="${skip_font_longhands}"
skip_additionals="*">
pub fn set_font_feature_settings(&mut self, v: longhands::font_feature_settings::computed_value::T) {
use properties::longhands::font_feature_settings::computed_value::T;
let current_settings = &mut self.gecko.mFont.fontFeatureSettings;
current_settings.clear_pod();
match v {
T::Normal => unsafe { current_settings.set_len_pod(0) },
T::Tag(feature_settings) => {
unsafe { current_settings.set_len_pod(feature_settings.len() as u32) };
for (current, feature) in current_settings.iter_mut().zip(feature_settings) {
current.mTag = feature.tag;
current.mValue = feature.value;
}
}
};
}
pub fn copy_font_feature_settings_from(&mut self, other: &Self ) {
let current_settings = &mut self.gecko.mFont.fontFeatureSettings;
let feature_settings = &other.gecko.mFont.fontFeatureSettings;
let settings_length = feature_settings.len() as u32;
current_settings.clear_pod();
unsafe { current_settings.set_len_pod(settings_length) };
for (current, feature) in current_settings.iter_mut().zip(feature_settings.iter()) {
current.mTag = feature.mTag;
current.mValue = feature.mValue;
}
}
pub fn set_font_family(&mut self, v: longhands::font_family::computed_value::T) {
use properties::longhands::font_family::computed_value::FontFamily;
use gecko_bindings::structs::FontFamilyType;