Struct GlyphCache 

pub struct GlyphCache { /* private fields */ }

Glyph cache with separate regions for normal and double-width glyphs.

• Normal region: slots 0-2047 (2048 single-width glyphs)
• Wide region: slots 2048-4095 (1024 double-width glyphs, 2 slots each)

Implementations

impl GlyphCache

pub fn new() -> Self

pub fn get(&mut self, key: &str, style: FontStyle) -> Option<GlyphSlot>

Gets the slot for a glyph, marking it as recently used.

pub fn insert( &mut self, key: &str, style: FontStyle, ) -> (GlyphSlot, Option<(CompactString, FontStyle)>)

Inserts a glyph, returning its slot. Evicts LRU if region is full.

pub fn len(&self) -> usize

Returns total number of cached glyphs.

pub fn is_empty(&self) -> bool

pub fn clear(&mut self)

Clears all cached glyphs.

Trait Implementations

impl Debug for GlyphCache

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

Formats the value using the given formatter.

impl Default for GlyphCache

fn default() -> Self

Returns the “default value” for a type.