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mymark

v1.3.0

Published

A canvas watermark builder.

Downloads

4

Readme

mymark

A canvas watermark builder(水印生成工具)。

Installation

# yarn
$ yarn add mymark

# npm
$ npm i mymark

Usage

// 导入
import { watermark } from 'mymark'
// 调用, options 参数具体见下表
watermark(options)

<script> 标签的方式引用

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>watermark demo</title>
    <style>
      #app {
        height: 95vh;
      }
    </style>
  </head>
  <body>
    <div id="app">hello watermark!</div>
    <script src="./mymark.umd.js"></script>

    <script>
      // MyMark 被暴露到 window
      const { watermark } = MyMark

      watermark({ content: 'build by elenh' })
    </script>
  </body>
</html>

在有模块系统的项目中使用

import { watermark } from 'mymark'
watermark({ content: 'build by elenh' })

options 参数

| 键名 | 类型 | 说明 | 默认值 | | :----------: | :---------------------------: | :-----------------------------------------------------------------------: | :------------------------: | | container | SelectorHTMLElement | 水印插入的容器 | body 元素 | | width | string | 生成水印 canvas 的 宽度 | '400px' | | height | string | 生成水印 canvas 的 高度 | '300px' | | textAlign | string | 水印文字在水平方向上如何放置 | 'center' | | textBaseline | string | 水印文字基线 | 'middle' | | font | string | 字号,字体 | '18px Microsoft Yahei' | | lineHeight | number | 行高 | 25 | | fillStyle | string | 字体颜色 | 'rgba(184, 184, 184, 0.3)' | | content | stringArray of string | 水印文本内容,当类型是 Array of string 时,可做到水平居中换行的文本效果 | 'mymark' | | rotate | number | 水印文本旋转角度 | 20 | | zIndex | number | 生成的水印块的 z-index 值 | 1024 | | observe | boolean | 是否监视 DOM 变更,防止用户恶意删除水印节点 dom | true | | open | boolean | 是否开启水印 | true |