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Fix TTC handling

This commit is contained in:
Patrick Walton 2017-02-03 18:03:51 -08:00
parent 316123123a
commit 78c03a9594
1 changed files with 6 additions and 4 deletions
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10
src/otf/mod.rs
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@ -107,16 +107,18 @@ impl<'a> Font<'a> {
}
let table_offset = try!(reader.read_u32::<BigEndian>().map_err(Error::eof));
Font::from_otf(&bytes[table_offset as usize..])
Font::from_otf(&bytes, table_offset)
}
magic_number if SFNT_VERSIONS.contains(&magic_number) => Font::from_otf(bytes),
magic_number if SFNT_VERSIONS.contains(&magic_number) => Font::from_otf(bytes, 0),
0x0100 => Font::from_dfont(bytes),
_ => Err(Error::UnknownFormat),
}
}
pub fn from_otf<'b>(bytes: &'b [u8]) -> Result<Font<'b>, Error> {
pub fn from_otf<'b>(bytes: &'b [u8], offset: u32) -> Result<Font<'b>, Error> {
let mut reader = bytes;
try!(reader.jump(offset as usize).map_err(Error::eof));
let mut magic_number = try!(reader.read_u32::<BigEndian>().map_err(Error::eof));
// Check version.
@ -242,7 +244,7 @@ impl<'a> Font<'a> {
try!(reader.jump(resource_data_offset as usize + sfnt_data_offset as usize)
.map_err(Error::eof));
let sfnt_size = try!(reader.read_u32::<BigEndian>().map_err(Error::eof));
Font::from_otf(&reader[0..sfnt_size as usize])
Font::from_otf(&reader[0..sfnt_size as usize], 0)
}
#[inline]