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fonts: Store web fonts in the per-Layout FontContext (#32303)

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This moves mangement of web fonts to the per-Layout `FontContext`,
preventing web fonts from being available in different Documents.

Fixes #12920.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
This commit is contained in:
Martin Robinson 2024-05-20 16:13:03 +02:00 • committed by GitHub
parent 8d2d955bbb
commit be5b527ea3
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GPG key ID: B5690EEEBB952194
30 changed files with 1010 additions and 558 deletions
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17
components/shared/webrender/lib.rs
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@ -188,6 +188,23 @@ pub trait WebRenderFontApi {
flags: FontInstanceFlags,
) -> FontInstanceKey;
fn add_font(&self, data: Arc<Vec<u8>>, index: u32) -> FontKey;
/// Forward an already prepared `AddFont` message, sending it on to the compositor. This is used
/// to get WebRender [`FontKey`]s for web fonts in the per-layout `FontContext`.
fn forward_add_font_message(
&self,
bytes_receiver: IpcBytesReceiver,
font_index: u32,
result_sender: IpcSender<FontKey>,
);
/// Forward an already prepared `AddFontInstance` message, sending it on to the compositor. This
/// is used to get WebRender [`FontInstanceKey`]s for web fonts in the per-layout `FontContext`.
fn forward_add_font_instance_message(
&self,
font_key: FontKey,
size: f32,
flags: FontInstanceFlags,
result_receiver: IpcSender<FontInstanceKey>,
);
fn add_system_font(&self, handle: NativeFontHandle) -> FontKey;
}