dashy-viewer/image.html at master · dashy-io/dashy-viewer · GitHub

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<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title>Image Viewer</title>
  <style>
    .hidden {
      display: none;
    }

    .centerImage {
      max-width: 100%;
      max-height: 100%;
      bottom: 0;
      left: 0;
      margin: auto;
      overflow: auto;
      position: fixed;
      right: 0;
      top: 0;
    }
  </style>
  <script>
    (function () {
      'use strict';

      function getQueryStringValue(key) {
        var arrSearch = location.search.split(key + '=')[1];
        return arrSearch ? decodeURIComponent(arrSearch.split('&')[0].replace(/\+/g, ' ')) : false;
      }

      window.addEventListener('load', function () {
        var imgUrl = getQueryStringValue('img');
        var image = document.getElementById('main-image');
        image.src = imgUrl;
        image.classList.remove('hidden');
      }, false);

    }());
  </script>
</head>
<body>
  <img id="main-image" src="" alt="" class="centerImage hidden" />
</body>
</html>