Struct FontAsset 

pub struct FontAsset {
    pub name: String,
    pub bytes: Arc<[u8]>,
    pub face_index: u32,
    pub digest: [u8; 32],
}

Explicit immutable font bytes.

Fields

name: String

Stable logical family/name used by templates.

bytes: Arc<[u8]>

TrueType/OpenType bytes.

face_index: u32

Face index for collections.

digest: [u8; 32]

SHA-256 digest used by fingerprints.

Implementations

impl FontAsset

pub fn new( name: impl Into<String>, bytes: Vec<u8>, face_index: u32, ) -> Result<Self>

Validates font bytes and creates an asset.

Examples found in repository

examples/basic.rs (lines 51-55)

fn example_fonts() -> Result<FontManager, Box<dyn std::error::Error>> {
    let mut fonts = FontManager::default();
    fonts.register(FontAsset::new(
        "NotoSans",
        include_bytes!("assets/NotoSans-Regular.ttf").to_vec(),
        0,
    )?)?;
    Ok(fonts)
}

examples/intermediate.rs (lines 138-142)

fn example_fonts() -> Result<FontManager, Box<dyn std::error::Error>> {
    let mut fonts = FontManager::default();
    fonts.register(FontAsset::new(
        "NotoSans",
        include_bytes!("assets/NotoSans-Regular.ttf").to_vec(),
        0,
    )?)?;
    Ok(fonts)
}

pub fn covers(&self, text: &str) -> bool

Returns whether this font maps every scalar in a grapheme cluster.

pub fn units_per_em(&self) -> Result<u16>

Returns units per em.

Trait Implementations

impl Clone for FontAsset

fn clone(&self) -> FontAsset

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FontAsset

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.