Struct wr_glyph_rasterizer::rasterizer::FontInstanceMap

pub struct FontInstanceMap(Arc<RwLock<FastHashMap<FontInstanceKey, Arc<BaseFontInstance>>>>);

A map of font instance data accessed concurrently from multiple threads.

Tuple Fields

0: Arc<RwLock<FastHashMap<FontInstanceKey, Arc<BaseFontInstance>>>>

Implementations

impl FontInstanceMap

pub fn new() -> Self

Creates an empty shared map.

pub fn lock( &self, ) -> RwLockReadGuard<'_, FastHashMap<FontInstanceKey, Arc<BaseFontInstance>>>

Acquires a read lock on the shared map.

fn lock_mut( &mut self, ) -> RwLockWriteGuard<'_, FastHashMap<FontInstanceKey, Arc<BaseFontInstance>>>

Acquires a read lock on the shared map.

pub fn clear(&mut self)

pub fn get_font_instance_data( &self, key: FontInstanceKey, ) -> Option<FontInstanceData>

pub fn get_font_instance( &self, instance_key: FontInstanceKey, ) -> Option<Arc<BaseFontInstance>>

pub fn add_font_instance(&mut self, instance: Arc<BaseFontInstance>)

pub fn delete_font_instance(&mut self, instance_key: FontInstanceKey)

pub fn delete_font_instances(&mut self, keys: &[FontInstanceKey])

pub fn clear_namespace(&mut self, namespace: IdNamespace)

Trait Implementations

impl Clone for FontInstanceMap

fn clone(&self) -> FontInstanceMap

Returns a copy of the value.

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

Performs copy-assignment from source.