import React from 'react';
import './style/index.less';
/**
 * 位置信息
 */
declare type Position = {
    x: number;
    y: number;
    height?: number;
    width?: number;
};
declare type Props = {};
/**
 * 添加一个画布,可以对画布的内容进行绘画
 */
export declare class Canvas extends React.Component<Props> {
    private canvasElement;
    private childrenElement;
    componentDidMount(): void;
    /**
     * 获取当前HTML元素的坐标信息
     * @param element 当前HTML元素
     */
    getPositionByElement(element: HTMLElement): Position;
    /**
     * 绘制贝塞尔曲线
     * @param line 画出对应的线
     */
    paintBezierLine(from: Position, to: Position): void;
    render(): JSX.Element;
}
export {};