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Subset post table

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This commit is contained in:
Laurenz 2021-08-27 14:04:44 +02:00
parent fab8bedd29
commit dff2175558
1 changed files with 16 additions and 1 deletions
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17
src/export/subset.rs
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@ -152,6 +152,10 @@ impl<'a> Subsetter<'a> {
| b"kerx" | b"mort" | b"morx" | b"trak" | b"bsln" | b"just"
| b"feat" | b"prop" => {}
b"post" => {
self.subset_post();
}
// Loca is created when subsetting glyf.
b"loca" => {}
b"glyf" => {
@ -167,7 +171,6 @@ impl<'a> Subsetter<'a> {
// TODO: Subset.
// b"sbix" => {}
// b"SVG " => {}
// b"post" => {}
// All other tables are simply copied.
_ => self.tables.push((tag, Cow::Borrowed(data))),
@ -310,6 +313,18 @@ impl ToData for TableRecord {
}
}
impl Subsetter<'_> {
/// Subset the post table by removing the name information.
fn subset_post(&mut self) -> Option<()> {
// Set version to 3.0.
let post = self.face.table_data(tg(b"post"))?;
let mut new = 0x00030000_u32.to_be_bytes().to_vec();
new.extend(post.get(4 .. 32)?);
self.tables.push((tg(b"post"), Cow::Owned(new)));
Some(())
}
}
impl Subsetter<'_> {
/// Subset the glyf and loca tables.
fn subset_glyf_loca<T: LocaOffset>(&mut self) -> Option<()> {