import { Drawer } from '../drawer/draw-shape';
import { BaseShape } from '../shapes/base-shape';
import { CanvasBase } from './canvas-base';
export declare type DrawEndCallback = (shape: BaseShape) => void | Promise<void>;
export declare class FrontCanvas extends CanvasBase {
    private viewer;
    private isActivated;
    drawer: Drawer;
    private onDrawEndCallbacks;
    constructor(viewer: OpenSeadragon.Viewer);
    private executeDrawEndCallback;
    private init;
    dispose(): void;
    private onMouseDown;
    private onMouseUp;
    private onMouseMove;
    private keepInBounds;
    deactivate(): void;
    onDrawEnd(callback: DrawEndCallback): () => any;
    offDrawEnd(callback: DrawEndCallback): void;
    getCoordsFromMouseEvent(event: MouseEvent): import("openseadragon").Point;
    checkIfDrawingFinished(drawnShape: BaseShape): void;
}
//# sourceMappingURL=front-canvas.d.ts.map