@jianghh/canvas-graffiti/es/utils/index.d.ts

canvas涂鸦库，支持手写、笔写、鼠标，选中元素，并且移动、删除等功能。集成撤销重做操作。

import CanvasGraffiti, { EleGroup, GraffitiEle } from '..';
export declare function roundToNDecimalPlaces(num: number, n?: number): number;
export declare function deepClone(obj: any, hash?: WeakMap<object, any>): any;
export declare function updateCtx(vm: CanvasGraffiti | EleGroup, config: GraffitiEle): void;