import type { MyMap } from 'map-sdk-leaflet/es/sdk/ShipxyAPISDK';
interface IPortData {
    id: string;
    lat: number;
    lng: number;
    nameCN?: string;
    nameEN?: string;
    range?: number[];
    flagDraw?: boolean;
    x: number;
    y: number;
    label?: string;
    rnd: number;
}
interface IPortCanvasOptions {
    [key: string]: any;
}
export declare class PortCanvas {
    private _imgWidth;
    private _imgHeight;
    private _map;
    private _canvas;
    private _portImg;
    private _zoomLabel;
    private portData;
    private villagePortData;
    private canvasLayer;
    constructor(map: MyMap, options?: IPortCanvasOptions);
    protected onDrawLayer(info: {
        canvas: HTMLCanvasElement;
    }): void;
    private format;
    show(methods: (arg0: (data: IPortData[]) => void) => any): void;
    hiden(): void;
    private isNearPoint;
    private handleCanvasClick;
    /**
     * 绘制相关点
     * @returns
     */
    private drawPorts;
    private drawPortLabel;
    private showTooltip;
    private hideTooltip;
    refreshPointClusterer(): void;
}
export {};