/**
 * Copyright (c) 2019-2025 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 * @author Jesse Liang <jesse.liang@rcsb.org>
 * @author Sebastian Bittrich <sebastian.bittrich@rcsb.org>
 * @author Ke Ma <mark.ma@rcsb.org>
 * @author Adam Midlik <midlik@gmail.com>
 */
import { type BufferRet as JpegBufferRet } from 'jpeg-js';
import { type PNG } from 'pngjs';
import { Canvas3D, Canvas3DProps } from '../../mol-canvas3d/canvas3d.js';
import { ImagePass, ImageProps } from '../../mol-canvas3d/passes/image.js';
import { PostprocessingProps } from '../../mol-canvas3d/passes/postprocessing.js';
import { RuntimeContext } from '../../mol-task/index.js';
export interface ExternalModules {
    'gl': typeof import('gl');
    'jpeg-js'?: typeof import('jpeg-js');
    'pngjs'?: typeof import('pngjs');
}
export type HeadlessScreenshotHelperOptions = {
    webgl?: WebGLContextAttributes;
    canvas?: Partial<Canvas3DProps>;
    imagePass?: Partial<ImageProps>;
};
export type RawImageData = {
    data: Uint8ClampedArray;
    width: number;
    height: number;
};
/** To render Canvas3D when running in Node.js (without DOM) */
export declare class HeadlessScreenshotHelper {
    readonly externalModules: ExternalModules;
    readonly canvasSize: {
        width: number;
        height: number;
    };
    readonly canvas3d: Canvas3D;
    readonly imagePass: ImagePass;
    constructor(externalModules: ExternalModules, canvasSize: {
        width: number;
        height: number;
    }, canvas3d?: Canvas3D, options?: HeadlessScreenshotHelperOptions);
    private getImageData;
    getImageRaw(runtime: RuntimeContext, imageSize?: {
        width: number;
        height: number;
    }, postprocessing?: Partial<PostprocessingProps>): Promise<RawImageData>;
    getImagePng(runtime: RuntimeContext, imageSize?: {
        width: number;
        height: number;
    }, postprocessing?: Partial<PostprocessingProps>): Promise<PNG>;
    getImageJpeg(runtime: RuntimeContext, imageSize?: {
        width: number;
        height: number;
    }, postprocessing?: Partial<PostprocessingProps>, jpegQuality?: number): Promise<JpegBufferRet>;
    saveImage(runtime: RuntimeContext, outPath: string, imageSize?: {
        width: number;
        height: number;
    }, postprocessing?: Partial<PostprocessingProps>, format?: 'png' | 'jpeg', jpegQuality?: number): Promise<void>;
}
export declare function defaultCanvas3DParams(): Partial<Canvas3DProps>;
export declare function defaultWebGLAttributes(): WebGLContextAttributes;
export declare function defaultImagePassParams(): Partial<ImageProps>;
export declare const STYLIZED_POSTPROCESSING: Partial<PostprocessingProps>;