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web-watermark

网页水印

Install

npm install web-watermark
or
yarn add web-watermark

Featrue

  1. 支持 Canvas 或 SVG 渲染水印;
  2. Canvas 支持 Retina 高清显示;

Usage

import Watermark from 'web-watermark'

new Watermark({
  mode: 'canvas', // default
  container: document.body, // default
  watch: true, // default
  text: '敏感信息请勿泄漏', // default
  x: 0, // default
  y: 50, // default
  width: 150, // default
  height: 100, // default
  color: '#000', // default
  fontSize: 12, // default
  fontStyle: 'normal', // default
  fontFamily: 'sans-serif', // default
  alpha: 0.15, // default
  deg: -15, // default
}).render()

Config

参数 取值 说明
mode String: 'canvas' 水印渲染的模式,可选 'canvas' 或 'svg' 渲染
container Node: document.body 需要渲染水印的元素,默认为 body,即整个页面渲染
watch Boolean: true 监听水印元素是否被篡改,被修改或者删除等操作,则重新渲染水印
text String: '敏感信息请勿泄漏' 水印信息
x Number: 0 水印 x 轴偏移量,用于微调水印位置
y Number: 50 水印 y 轴偏移量,用于微调水印位置
width Number: 150 水印图片的宽度
height Number: 100 水印图片的高度
color String: '#000' 水印字体颜色
fontSize Number: 12 水印字体大小
fontFamily String: 'sans-serif'' 水印字体
fontStyle String: 'normal' 水印字体样式,可选值和 CSS font-style 相同
alpha Number: 0.15 水印透明度
deg Number: -15 水印的倾斜角度,顺时针方向角度增加,以9点钟方向为0度
debugger Boolean: false 是否开启调试模式

Methods

实例方法 参数 说明
render(options) 配置参数,如果传递了配置参数,会合并最近的配置 渲染水印,调用此函数才会生成水印
destroy() - 销毁水印

web-watermark's People

Contributors

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Watchers

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