import type { GlyphId, uint32 } from "../../types.ts";
import type { Reader } from "../binary/reader.ts";
/**
 * loca table - Glyph location index
 * Maps glyph IDs to byte offsets in the glyf table
 */
export interface LocaTable {
    /** Glyph offsets (numGlyphs + 1 entries) */
    offsets: uint32[];
    /** Whether the font uses short (16-bit) or long (32-bit) offsets */
    isShort: boolean;
}
/**
 * Parse loca table
 * @param reader - Reader positioned at start of loca table
 * @param numGlyphs - Number of glyphs from maxp table
 * @param indexToLocFormat - 0 for short offsets, 1 for long (from head table)
 */
export declare function parseLoca(reader: Reader, numGlyphs: number, indexToLocFormat: number): LocaTable;
/**
 * Get byte offset and length for a glyph in the glyf table
 * Returns null if glyph has no outline (empty glyph)
 * @param loca - Parsed loca table
 * @param glyphId - Glyph ID to look up
 * @returns Object with offset and length, or null if glyph has no outline
 */
export declare function getGlyphLocation(loca: LocaTable, glyphId: GlyphId): {
    offset: uint32;
    length: uint32;
} | null;
/**
 * Check if a glyph has outline data
 */
export declare function hasGlyphOutline(loca: LocaTable, glyphId: GlyphId): boolean;