@jianghh/canvas-graffiti/es/types/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 type { CacheGraffiti, CanvasGraffiti } from '../';
import { EleGroup } from '../';
export interface ToolOptions {
    buffer?: boolean;
    pointerdown?: (this: CanvasGraffiti, event: PointerEvent) => void;
    pointermove?: (this: CanvasGraffiti, event: PointerEvent) => void;
    pointerup?: (this: CanvasGraffiti, event: PointerEvent) => void;
    drawEle?: (this: CanvasGraffiti | EleGroup, points: Point[]) => void;
}
/**
 * 配置
 */
export interface Options {
    el: string | HTMLCanvasElement;
    initialTool?: ToolType;
    createBufferCanvasStyle?: {
        [prop: string]: any;
    };
    allowType?: AllowType[];
    allowButton?: (0 | 1 | 2)[];
    width?: number;
    height?: number;
    lineWidth?: number;
    color?: string | CanvasGradient | CanvasPattern;
    cacheSize?: number;
    devicePixelRatio?: number;
    shadowColor?: string;
    shadowBlur?: number;
}
export interface CustomizeHandle {
    onActionHandle?: (item: CacheGraffiti, revokeSize: number, redoSize: number) => void;
    onGroupMoveHandle?: (event: PointerEvent) => void;
    onGroupHandle?: (group: EleGroup) => void;
}
export type EventTypes = 'pointerdown' | 'pointermove' | 'pointerup';
export type ToolType = 'Cursor' | 'Marker' | 'Pen' | 'Line' | 'Rect' | 'Arc' | 'Erase';
export type AllowType = 'mouse' | 'touch' | 'pen' | (string & {});
export type Point = {
    x: number;
    y: number;
    pressure?: number;
};