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style: Connect CSS font-palette features to rendering via the presContext

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Differential Revision: https://phabricator.services.mozilla.com/D157959
This commit is contained in:
Jonathan Kew 2022-10-07 23:00:46 +00:00 • committed by Martin Robinson
parent d5e3a4e3a6
commit fc10c64779
1 changed files with 37 additions and 0 deletions
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37
components/style/stylesheets/font_palette_values_rule.rs
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@ -8,6 +8,11 @@
use crate::error_reporting::ContextualParseError;
use crate::parser::{Parse, ParserContext};
use crate::gecko_bindings::bindings::Gecko_AppendPaletteValueHashEntry;
use crate::gecko_bindings::bindings::{Gecko_SetFontPaletteBase, Gecko_SetFontPaletteOverride};
use crate::gecko_bindings::structs::gfx::FontPaletteValueSet;
use crate::gecko_bindings::structs::gfx::FontPaletteValueSet_PaletteValues_kLight;
use crate::gecko_bindings::structs::gfx::FontPaletteValueSet_PaletteValues_kDark;
use crate::shared_lock::{SharedRwLockReadGuard, ToCssWithGuard};
use crate::str::CssStringWriter;
use crate::values::computed::font::FamilyName;
@ -152,6 +157,38 @@ impl FontPaletteValuesRule {
}
Ok(())
}
/// Convert to Gecko FontPaletteValueSet.
pub fn to_gecko_palette_value_set(&self, dest: *mut FontPaletteValueSet) {
for ref family in self.family_names.iter() {
let family = family.name.to_ascii_lowercase();
let palette_values = unsafe {
Gecko_AppendPaletteValueHashEntry(
dest,
family.as_ptr(),
self.name.0.as_ptr()
)
};
if let Some(base_palette) = &self.base_palette {
unsafe {
Gecko_SetFontPaletteBase(palette_values, match &base_palette {
FontPaletteBase::Light => FontPaletteValueSet_PaletteValues_kLight,
FontPaletteBase::Dark => FontPaletteValueSet_PaletteValues_kDark,
FontPaletteBase::Index(i) => i.0.value() as i32,
});
}
}
for c in &self.override_colors {
if let SpecifiedColor::Numeric { parsed, authored: _ } = &c.color {
unsafe {
Gecko_SetFontPaletteOverride(palette_values,
c.index.0.value(),
*parsed);
}
}
}
}
}
}
impl ToCssWithGuard for FontPaletteValuesRule {