55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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use core::ops::Deref;
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pub(crate) mod fallback;
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pub use self::matches::*;
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mod matches;
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pub use self::system::*;
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mod system;
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/// A font
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pub struct Font<'a> {
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pub info: &'a fontdb::FaceInfo,
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pub data: &'a [u8],
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pub rustybuzz: rustybuzz::Face<'a>,
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#[cfg(feature = "swash")]
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pub swash: (u32, swash::CacheKey),
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}
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impl<'a> Font<'a> {
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pub fn new(info: &'a fontdb::FaceInfo) -> Option<Self> {
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let data = match &info.source {
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fontdb::Source::Binary(data) => data.deref().as_ref(),
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#[cfg(feature = "std")]
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fontdb::Source::File(path) => {
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log::warn!("Unsupported fontdb Source::File('{}')", path.display());
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return None;
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}
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#[cfg(feature = "std")]
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fontdb::Source::SharedFile(_path, data) => data.deref().as_ref(),
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};
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Some(Self {
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info,
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data,
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rustybuzz: rustybuzz::Face::from_slice(data, info.index)?,
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#[cfg(feature = "swash")]
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swash: {
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let swash = swash::FontRef::from_index(data, info.index as usize)?;
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(swash.offset, swash.key)
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},
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})
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}
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#[cfg(feature = "swash")]
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pub fn as_swash(&self) -> swash::FontRef {
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swash::FontRef {
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data: self.data,
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offset: self.swash.0,
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key: self.swash.1,
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}
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}
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}
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