import * as opentype from 'opentype.js';
/**
 * Load a font using opentype.js for accurate glyph measurement.
 */
export declare function loadFont(fontFamily: string, bold?: boolean, italic?: boolean, fontDirs?: string[], fontMap?: Record<string, string | Buffer>): opentype.Font;
/**
 * Measure the width of a text string in points.
 */
export declare function measureText(text: string, fontFamily: string, fontSize: number, // in points
bold?: boolean, italic?: boolean, fontDirs?: string[], fontMap?: Record<string, string | Buffer>): number;
/**
 * Get font metrics (ascender, descender, line height) in points.
 */
export declare function getFontMetrics(fontFamily: string, fontSize: number, bold?: boolean, italic?: boolean, fontDirs?: string[], fontMap?: Record<string, string | Buffer>): {
    ascender: number;
    descender: number;
    lineHeight: number;
};
/** Clear the font cache */
export declare function clearFontCache(): void;
//# sourceMappingURL=text-measurer.d.ts.map