export interface PdfImage {
    kind: 1 | 2 | 3;
    data: Uint8ClampedArray;
}
export declare function transformRgbToRgba(data: any): Uint8ClampedArray;
export declare function transformGrayscaleToRgba(data: any): Uint8ClampedArray;
export declare function transformImageToArray(image: PdfImage): Uint8ClampedArray;
export declare function parseFontName(raw: string): {
    raw: string;
    identifier: string;
    fontFamily: string;
    fontWeight: string;
    fontStyle: string;
};
export declare function rgbToHex([r, g, b]: number[]): string;
export declare function hexToRgb(hex: string): number[];
//# sourceMappingURL=PdfUtil.d.ts.map