Struct GlyphCache 

pub struct GlyphCache { /* private fields */ }

Glyph cache with LRU eviction.

Implementations

impl GlyphCache

pub fn new() -> Self

Create a new empty glyph cache.

pub fn get(&mut self, ch: u32, size_px: u16) -> Option<&GlyphBitmap>

Look up a cached glyph.

pub fn insert(&mut self, ch: u32, size_px: u16, bitmap: GlyphBitmap)

Insert a glyph bitmap into the cache.

pub fn hit_rate_percent(&self) -> u32

Get cache hit rate as a percentage (0-100).

pub fn clear(&mut self)

Clear the cache.

pub fn len(&self) -> usize

Number of entries in the cache.

pub fn is_empty(&self) -> bool

Check if cache is empty.

Trait Implementations

impl Debug for GlyphCache

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

Formats the value using the given formatter.

impl Default for GlyphCache

Available on crate feature alloc only.

fn default() -> Self

Returns the “default value” for a type.