/// <reference types="node" />
import { ImageSource, SketchConstructorOptions } from '../types/globalTypes';
import { SKRSContext2D, Canvas as SkCanvas } from '@napi-rs/canvas';
/**
 * Basic photo editing
 */
export declare class Photoshop {
    constructor();
    static blur(image: ImageSource, pixels?: number): Promise<Buffer>;
    static brighten(img: ImageSource, amount?: number): Promise<Buffer>;
    static darken(img: ImageSource, amount?: number): Promise<Buffer>;
    static greyscale(img: ImageSource): Promise<Buffer>;
    static grayscale(img: ImageSource): Promise<Buffer>;
    static invert(img: ImageSource): Promise<Buffer>;
    static sepia(img: ImageSource): Promise<Buffer>;
    static threshold(img: ImageSource, amount: number): Promise<Buffer>;
    static circle(image: ImageSource): Promise<Buffer>;
    static convolute(ctx: SKRSContext2D, canvas: SkCanvas, matrix: number[], opaque?: boolean): Promise<SKRSContext2D>;
    static colorfy(image: ImageSource, color: string): Promise<Buffer>;
    static colourfy(image: ImageSource, colour: string): Promise<Buffer>;
    static color(color: string, width: number, height: number): Promise<Buffer>;
    static colour(colour: string, width: number, height: number): Promise<Buffer>;
    static sketch(image: ImageSource, options?: SketchConstructorOptions): Promise<Buffer>;
}