pag-web/pages/register-font.html at main · libpag/pag-web · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>PAG</title>
    <link rel="icon" href="https://pag.io/img/favicon.png" />
    <style>
      body {
        padding: 12px;
      }
      .header {
        height: 64px;
        border-bottom: 1px solid rgb(193, 193, 193);
        margin-bottom: 24px;
      }
    </style>
  </head>
  <body>
    <div class="header">
      <img src="../assets/logo.png" alt="logo" width="133" height="48" />
    </div>
    <div>
      <span>Unknown font family:</span>
      <canvas class="canvas" id="pag-1"></canvas>
      <span>Registered font:</span>
      <canvas class="canvas" id="pag-2"></canvas>
    </div>
    <script type="module" src="https://cdn.jsdelivr.net/npm/libpag@latest/lib/libpag.min.js"></script>
    <script>
      window.onload = async () => {
        const pagUrl = '../assets/simple_text.pag';
        const PAG = await window.libpag.PAGInit();
        const buffer = await fetch(pagUrl).then((response) => response.arrayBuffer());

        // Unknown font
        const pagFile1 = await PAG.PAGFile.load(buffer);
        // Get TextDate by editableIndex.
        // About editableIndex look for `editable-index.html`
        const textDoc1 = pagFile1.getTextData(0);
        textDoc1.fontFamily = 'unknown';
        // Replace text by editableIndex
        pagFile1.replaceText(0, textDoc1);
        const canvas1 = document.getElementById('pag-1');
        canvas1.width = 360;
        canvas1.height = 360;
        const pagView1 = await PAG.PAGView.init(pagFile1, canvas1);
        pagView1.setRepeatCount(0);
        await pagView1.play();

        // Registered font
        const fontUrl = '../assets/SourceHanSerifCN-Regular.ttf';
        const fontBlob = await fetch(fontUrl).then((response) => response.blob());
        const fontFile = new window.File([fontBlob], fontUrl.replace(/(.*\/)*([^.]+)/i, '$2'));
        await PAG.PAGFont.registerFont('SourceHanSerifCN-Regular', fontFile);

        const pagFile2 = await PAG.PAGFile.load(buffer);
        // Get TextDate by editableIndex.
        // About editableIndex look for `editable-index.html`
        const textDoc2 = pagFile2.getTextData(0);
        textDoc2.fontFamily = 'SourceHanSerifCN-Regular';
        // Replace text by editableIndex
        pagFile2.replaceText(0, textDoc2);
        const canvas2 = document.getElementById('pag-2');
        canvas2.width = 360;
        canvas2.height = 360;
        const pagView2 = await PAG.PAGView.init(pagFile2, canvas2);
        pagView2.setRepeatCount(0);
        await pagView2.play();
      };
    </script>
  </body>
</html>