import { Group, Scene } from "spritejs";
import { ICameraOpt, ILayerOptionType, IWorkerMessage, IRectType } from "..";
import { LocalWork, ISubWorkerInitOption, IWorkerInitOption } from "./base";
import { VNodeManager } from "../vNodeManager";
export interface ISnapshotWorkInitOption extends ISubWorkerInitOption {
    createScene(opt: IWorkerInitOption): Scene;
    createLayer(name: string, scene: Scene, opt: ILayerOptionType, offscreenCanvas?: OffscreenCanvas): Group;
}
export declare class SnapshotWork extends LocalWork {
    protected opt: ISnapshotWorkInitOption;
    protected scene?: Scene | undefined;
    protected cameraOpt: ICameraOpt | undefined;
    vNodes?: VNodeManager;
    constructor(opt: ISnapshotWorkInitOption);
    createSnapshotFullLayer(sceneOpt: IWorkerInitOption, opt: ILayerOptionType): void;
    destroySnapshotFullLayer(): void;
    private updateScene;
    private updateLayer;
    setCameraOpt(cameraOpt: ICameraOpt): void;
    private getOffscreen;
    private getRectImageBitmap;
    getSnapshot(data: IWorkerMessage): Promise<void>;
    protected runFullWork(data: IWorkerMessage): Promise<IRectType | undefined>;
    getSceneRect(): IRectType;
    private getSnapshotRender;
    getBoundingRect(data: IWorkerMessage): Promise<void>;
}