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easy-sign-draw

v0.2.0

Published

simple canvas to make a mobile-device can draw

Downloads

51

Readme

简易签名板

安装

npm i easy-sign-draw

全局引入

// main.js
import draw from 'easy-sign-draw'
Vue.use(draw)

局部引入

// .vue
import draw from 'easy-sign-draw'
export default {
  components: { draw }
}

使用

<!-- template -->
<draw ref="myDraw"></draw>
// JavaScript(vue)
var base64 = this.$refs.myDraw.getImage() //获取画板内容
this.$refs.myDraw.clean() //清空画板
this.$refs.myDraw.reset() //重新获取画板信息

参数

| 参数名 | 描述 | 类型 | 默认值 | | ---------- | ------------------------------------------------------ | ------- | --------- | | id | 画板的id(单页多次使用组件导致重复id时,可更改此参数) | String | "my-draw" | | isFull | 是否截取完整图像(默认只截取有内容的部分) | Boolean | false | | border | 是否让画板自带边框(1像素#ddd) | Boolean | false | | background | 画板背景颜色,为空或“none”时不设置背景色 | String | "" | | color | 画笔颜色 | String | "#000" | | size | 画笔粗细 | Number | 3 | | smooth | 是否开启画笔粗细随速度改变 | Boolean | false |

事件

| 事件名 | 说明 | 参数 | | ------ | ------------------------------------------------------------ | ------------------ | | init | 初始化画板完成后触发的事件(返回两个参数,第一个是画板,第二个是画板的剪切版,仅在isFull关闭时有效) | canvas,clipCanvas |

方法

| 方法名 | 说明 | 参数 | | -------- | ------------------------------------------------------------ | ---- | | reset | 重置画板对象(为防止窗口大小改变但页面不刷新情况,使用此方法重新获取画板对象,同时会再次触发init事件) | - | | clean | 清空画板 | - | | getImage | 获取画板图像(返回一个base64图像) | - |