Struct SharedFontInstanceMap

pub struct SharedFontInstanceMap { /* private fields */ }

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

Implementations

impl SharedFontInstanceMap

pub fn new() -> Self

Creates an empty shared map.

pub fn lock(&mut self) -> Option<RwLockReadGuard<'_, FontInstanceMap>>

Acquires a write lock on the shared map.

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

pub fn set(&mut self, map: FontInstanceMap)

Replace the shared map with the provided map.

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

pub fn add_font_instance( &mut self, instance_key: FontInstanceKey, font_key: FontKey, size: f32, options: Option<FontInstanceOptions>, platform_options: Option<FontInstancePlatformOptions>, variations: Vec<FontVariation>, )

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

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

pub fn clone_map(&self) -> FontInstanceMap

Trait Implementations

impl Clone for SharedFontInstanceMap

fn clone(&self) -> SharedFontInstanceMap

Returns a copy of the value.

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

Performs copy-assignment from source.