const FontContext: LiveContext<RustTextAPI>
( font: Partial<FontProps>, ) => number | null( fonts: Partial<FontProps>[], ) => number[]( fonts: Font[], ) => void( fontId: number, size: number, ) => FontMetricsmeasureSpans
(
fontStack: number[],
text: Uint16Array,
size: number,
) => SpanMetrics
( fontId: number, glyphId: number, size: number, ) => GlyphMetrics( fontId: number, char: string, ) => [number, boolean]loadMissingGlyph
(
fontId: number,
glyphId: number,
callback: (...args: any[]) => any,
) => void
( cb: ( ...args: any[], ) => any, ) => () => voidpackages / workbench / src / text / providers / font-provider.ts