Struct GlyphTracker 

pub struct GlyphTracker { /* private fields */ }

Tracks glyphs that were requested but not found in the font atlas.

Implementations

impl GlyphTracker

pub fn new() -> GlyphTracker

Creates a new empty glyph tracker.

pub fn record_missing(&self, glyph: &str)

Records a glyph as missing.

pub fn missing_glyphs(&self) -> HashSet<CompactString>

Returns a copy of all missing glyphs.

pub fn clear(&self)

Clears all tracked missing glyphs.

pub fn len(&self) -> usize

Returns the number of unique missing glyphs.

pub fn is_empty(&self) -> bool

Returns true if no glyphs are missing.

Trait Implementations

impl Debug for GlyphTracker

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

Formats the value using the given formatter.

impl Default for GlyphTracker

fn default() -> GlyphTracker

Returns the “default value” for a type.