import type { FWord, GlyphId, UFWord } from "../../types.ts";
import type { Reader } from "../binary/reader.ts";
/** Horizontal metric for a glyph */
export interface LongHorMetric {
    advanceWidth: UFWord;
    lsb: FWord;
}
/** Horizontal metrics table */
export interface HmtxTable {
    hMetrics: LongHorMetric[];
    leftSideBearings: FWord[];
}
/**
 * Parse hmtx table.
 * @param reader - Reader positioned at hmtx table start
 * @param numberOfHMetrics - From hhea table
 * @param numGlyphs - From maxp table
 */
export declare function parseHmtx(reader: Reader, numberOfHMetrics: number, numGlyphs: number): HmtxTable;
/** Get advance width for a glyph */
export declare function getAdvanceWidth(hmtx: HmtxTable, glyphId: GlyphId): number;
/** Get left side bearing for a glyph */
export declare function getLeftSideBearing(hmtx: HmtxTable, glyphId: GlyphId): number;