pdf-lib/apps/web/test19.html at denkiyagi-fork · DenkiYagi/pdf-lib · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta
      http-equiv="Content-Security-Policy"
      content="
        default-src 'self' 'unsafe-inline' blob: resource:;
        object-src 'self' data:;
        frame-src 'self' data: blob:;
      "
    />
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <link rel="stylesheet" type="text/css" href="/apps/web/index.css" />
    <title>Test 19</title>
    <script type="text/javascript" src="/dist/umd/pdf-lib.js"></script>
    <script type="text/javascript" src="/apps/web/utils.js"></script>
  </head>

  <body>
    <div id="button-container">
      <button onclick="window.location.href = '/apps/web/test18.html'">
        Prev
      </button>
      <button onclick="test()">Run Test</button>
      <button onclick="window.location.href = '/apps/web/test20.html'">
        Next
      </button>
    </div>
    <div id="animation-target"></div>
    <iframe id="iframe"></iframe>
  </body>

  <script type="text/javascript">
    startFpsTracker('animation-target');

    const fetchBinaryAsset = (asset) =>
      fetch(`/assets/${asset}`).then((res) => res.arrayBuffer());

    const renderInIframe = (pdfBytes) => {
      const blob = new Blob([pdfBytes], { type: 'application/pdf' });
      const blobUrl = URL.createObjectURL(blob);
      document.getElementById('iframe').src = blobUrl;
    };

    async function test() {
      const { PDFDocument } = PDFLib;

      const [normalPdf, marioImage] = await Promise.all([
        fetchBinaryAsset('pdfs/normal.pdf'),
        fetchBinaryAsset('images/mario_emblem.png'),
      ]);

      const pdfDoc = await PDFDocument.load(normalPdf);
      pdfDoc.setTitle('テスト');
      pdfDoc.setAuthor('デンキヤギ');

      const page = pdfDoc.insertPage(0);

      page.drawText('This is a test page\nwith an image.', {
        size: 40,
        x: 60,
        y: 700,
        lineHeight: 50,
      });

      const image = await pdfDoc.embedPng(marioImage);
      page.drawImage(image, { x: 60, y: 500, ...image.scale(1.0) });

      const password = 'asdf';
      pdfDoc.encrypt({ password });

      console.log('PDF encryption with useObjectStreams: false');
      console.log('password:', password);

      const pdfBytes = await pdfDoc.save({
        useObjectStreams: false,
      });

      renderInIframe(pdfBytes);
    }
  </script>
</html>