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merge-image

v1.0.0

Published

利用canvas在图片上合成文字,文字内容可根据图片宽度自适应

Downloads

7

Readme

merge-image

利用canvas在图片上合成文字,文字内容可根据图片宽度自适应。

示例

点击查看

使用

  <img id="img" src="" />
  <script src="../dist/merge-image.min.js"></script>
  <script>
    new MergeImage(
      {
        text: '关关雎鸠,在河之洲。窈窕淑女,君子好逑。参差荇菜,左右流之。窈窕淑女,寤寐求之。',
        imgUrl: 'demo.jpg',
        width: 480,
      },
      function (dataURL) {
        document.getElementById('img').src = dataURL
      }
    )
  </script>

options

  • imgUrl:(必选) 图片路径
  • text:(必选) 文字内容
  • width:(可选) 合成的图片宽度,默认为图片原始大小(高度自适应)
  • backgroundColor*(可选)* 背景层颜色,默认为rgba(0, 0, 0, .7)
  • padding:(可选) 文字相对背景层的padding值,默认为5
  • lineHeight:(可选) 文字的lineHeigh值,默认为20
  • fontSize:(可选) 文字大小,默认为14px
  • color (可选) 文字颜色,默认为#fff

callback(dataURL)

  • dataURL:合成图片的dataURL