demo/index.html

<!DOCTYPE html>
<html>

<head>
  <title>Blurhash-js demo</title>
  <style>
    h1 {
      text-align: center;
    }

    section {
      width: 40%;
      margin: 0 30px;
    }

    * {
      box-sizing: border-box;
    }
    
    .wrapper {
      display: flex;
      align-items: flex-start;
      justify-content: center;
    }
    
    canvas {
      display: block;
      margin-bottom: 16px;
      width: 100%;
      background: #ccc;
    }
    
    pre {
      font-size: 14px;
      color: white;
      padding: 8px;
      background-color: #333;
      word-break: break-word;
      white-space: pre-wrap;
    }
    
    label {
      display: block;
      padding: 10px 0;
    }
    
    label > span {
      display: inline-block;
      width: 100px;
    }
  </style>
</head>

<body>
  <h1>BlurHash demo</h1>
  <main class="wrapper">
    <section>
      <h2>Encode</h2>
      <img id="original" width="100%"></img>
      <label>
        <span>File:</span>
        <input id="fileinput" type="file" accept="image/*" />
      </label>
      <label>
        <span>Components</span>
        <input type="number" id="x" value="4" min="1" max="9" />
        ×
        <input type="number" id="y" value="3" min="1" max="9" />
      </label>
    </section>
    <section>
      <h2>Decode</h2>
        <img id="output" width="100%"></img>
      <div>
        Blurhash:<pre id="blurhash">null</pre>
      </div>
      <div>
        data URI:<pre id="datauri">null</pre>
      </div>
    </section>
  </main>
  <script src="./demo.js"></script>
</body>

</html>