import Layer, { ILayerEvent, ILayerState } from './Layer';
import { ISketchUtils } from './Sketch';
export interface IRectProps {
    /**
     * 宽
     */
    w: number;
    /**
     * 高
     */
    h: number;
    /**
     * 线段样式
     */
    dash: readonly number[] | null;
}
export interface IRectEvent extends ILayerEvent {
    w: (w: IRectProps['w']) => void;
    h: (h: IRectProps['h']) => void;
    dash: (dash: IRectProps['dash']) => void;
}
/**
 * 绘制矩形
 */
export default class Rect extends Layer<IRectEvent> {
    props: IRectProps;
    constructor(state?: Partial<ILayerState>, props?: Partial<IRectProps>);
    /**
     * 设置尺寸
     * @param w 宽
     * @param h 高
     */
    size(w: number, h?: number): this;
    /**
     * 设置线段样式
     */
    dash(value: IRectProps['dash']): this;
    protected _clone(): Rect;
    protected _render(ctx: CanvasRenderingContext2D, utils: ISketchUtils): void;
}