import { PdfDict, PdfFontSource, PdfPrimitive } from '../types';
export interface PdfFontDecoder {
    decode(text: string): string;
    advanceWidth?(text: string, options: PdfTextAdvanceOptions): number;
    style?: PdfDecodedFontStyle;
}
export interface PdfDecodedFontStyle {
    family: string;
    weight?: string;
    style?: 'normal' | 'italic' | 'oblique';
    source?: PdfFontSource;
}
export type PdfFontMap = Map<string, PdfFontDecoder>;
export interface PdfTextAdvanceOptions {
    fontSize: number;
    charSpacing: number;
    wordSpacing: number;
    horizontalScale: number;
}
export declare const identityFontDecoder: PdfFontDecoder;
export declare const createSimpleFontDecoder: (font: PdfDict, resolve: (value: PdfPrimitive | undefined) => PdfPrimitive | undefined, source?: PdfFontSource) => PdfFontDecoder;
export declare const createToUnicodeFontDecoder: (cmapBytes: Uint8Array, font?: PdfDict, resolve?: (value: PdfPrimitive | undefined) => PdfPrimitive | undefined, source?: PdfFontSource) => PdfFontDecoder;
export declare const createIdentityCidFontDecoder: (font?: PdfDict, resolve?: (value: PdfPrimitive | undefined) => PdfPrimitive | undefined, source?: PdfFontSource) => PdfFontDecoder;
export declare const isIdentityCidFont: (font: PdfDict, resolve: (value: PdfPrimitive | undefined) => PdfPrimitive | undefined) => boolean;
export declare const createPdfFontSource: (font: PdfDict, resolve: (value: PdfPrimitive | undefined) => PdfPrimitive | undefined, data: Uint8Array, format?: string, toUnicodeCMap?: Uint8Array) => PdfFontSource;
export declare const fontDescriptor: (font: PdfDict, resolve: (value: PdfPrimitive | undefined) => PdfPrimitive | undefined) => PdfDict | undefined;
//# sourceMappingURL=fonts.d.ts.map