/// <reference types="node" />
import { IComparerOptions, IRGBColor } from './options';
export interface IRGBAColor extends IRGBColor {
    a: number;
}
export type ImageOptions = Pick<IComparerOptions, 'ignoreSizeDifference'>;
export declare class Image {
    private inner;
    private buffer;
    private refreshRequired;
    private readonly options;
    constructor(buffer: Buffer, options?: ImageOptions);
    get width(): number;
    get height(): number;
    get length(): number;
    getPixel(index: number): number;
    setPixel(index: number, value: number): void;
    getPixelXY(x: number, y: number): number;
    setPixelXY(x: number, y: number, value: number): void;
    getPosition(x: number, y: number): number;
    private updateBuffer;
    write(fileName: string): void;
    getBuffer(): Buffer;
    clone(): Image;
    fill(color: number | IRGBColor | IRGBAColor): void;
    invert(): void;
    replace(source: Image, mask?: Image): void;
    private traverse;
    filter({ r, g, b }: IRGBColor): void;
    spreadBlack(radius: number): void;
    and(...from: Image[]): void;
    or(...from: Image[]): void;
    xor(...from: Image[]): void;
    normalize(): void;
    multiply(color: number | IRGBColor | IRGBAColor): void;
    do(callback: (x: Image) => Image | void, log?: (image: Image) => void): Image;
    as(callback: (x: Image) => Image | void, log?: (image: Image) => void): Image;
    with<T>(callback: (x: Image) => T): T;
    dataClone(): number[];
}
export declare function colorToString(color: IRGBColor): string;