Struct GlyphCacheKey 

pub struct GlyphCacheKey {
    pub renderer: String,
    pub font_id: u64,
    pub shaped_hash: u64,
    pub render_hash: u64,
}

Stable key for render output caching

Fields

renderer: String

Renderer/backend identity

font_id: u64

Font identity hash

shaped_hash: u64

Hash of shaped glyph sequence (positions + ids + direction)

render_hash: u64

Hash of render parameters (colors, AA, palette, variations, glyph sources)

Implementations

impl GlyphCacheKey

pub fn new( renderer: impl Into<String>, font_data: &[u8], shaped: &ShapingResult, render_params: &RenderParams, ) -> Self

Build a key from runtime inputs

Trait Implementations

impl Clone for GlyphCacheKey

fn clone(&self) -> GlyphCacheKey

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GlyphCacheKey

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

Formats the value using the given formatter.

impl Hash for GlyphCacheKey

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for GlyphCacheKey

fn eq(&self, other: &GlyphCacheKey) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for GlyphCacheKey

impl StructuralPartialEq for GlyphCacheKey