import { TgdCamera, TgdEvent, TgdQuat } from "@tolokoban/tgd";
export declare class GizmoCanvas {
    eventTipClick: TgdEvent<{
        from: Readonly<TgdQuat>;
        to: Readonly<TgdQuat>;
    }>;
    private _canvas;
    private context;
    private _camera;
    private _orbiter;
    private _tipsPainter;
    attachCamera(camera: TgdCamera): void;
    get canvas(): HTMLCanvasElement | null;
    set canvas(canvas: HTMLCanvasElement | null);
    private readonly handleTap;
}
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