export declare enum Point {
    None = 0,// 没有
    Outer = 1,// 外部
    Inner = 2
}
export declare const pointArray: Point[];
export declare function getRandomPoints(pointNum?: 2 | 3 | 4): {
    top: Point;
    right: Point;
    bottom: Point;
    left: Point;
};
export declare function drawPuzzle(ctx: CanvasRenderingContext2D, options?: {
    x?: number;
    y?: number;
    w?: number;
    h?: number;
    points?: 2 | 3 | 4 | {
        top: Point;
        right: Point;
        bottom: Point;
        left: Point;
    };
    margin?: number;
    needClosePath?: boolean;
}): void;
export declare function canvasToImage(canvas: HTMLCanvasElement, formatBlob: boolean, type: string, quality: number): Promise<string>;