apps/web/test21.html

<!doctype html>
<html lang="en">
  <head>
    <meta
      http-equiv="Content-Security-Policy"
      content="
        default-src 'self' 'unsafe-inline' blob: resource:;
        object-src 'self' blob:;
        frame-src 'self' 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 21</title>
    <script type="text/javascript" src="/dist/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/test20.html'">
        Prev
      </button>
      <button onclick="test()">Run Test</button>
      <button onclick="window.location.href = '/apps/web/test22.html'">
        Next
      </button>
    </div>
    <!-- <div  ></div> -->
    <iframe id="iframe"></iframe>
  </body>

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

    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, PDFPage, radians, StandardFonts, rgb, degrees } =
        PDFLib;

      const pdfDoc = await PDFDocument.create();
      const firstPage = pdfDoc.addPage([500, 1000]);
      // firstPage.setRotation(degrees(90));

      const secondPage = pdfDoc.addPage([500, 1000]);
      secondPage.setRotation(degrees(90));

      const fontSize = 20;

      const svg = `<svg xmlns="http://www.w3.org/2000/svg" width="64" height="80" viewBox="0 0 32 40" version="1.1" font-size="16px">   <text x="1" y="16">5</text>   
  <line stroke="#000" x1="1" y1="39" y2="1" x2="31" stroke-linecap="round" stroke-linejoin="round"></line>   
  <text x="31" y="39" text-anchor="end">10</text> 
</svg>
`;

      const drawLines = (page) => {
        Array(10)
          .fill(1)
          .map((v, i) => i)
          .forEach((v) => {
            page.drawText('----' + v, {
              x: 5,
              y: v * 100,
              size: 20,
            });
          });
        Array(100)
          .fill(1)
          .map((v, i) => i)
          .forEach((v) => {
            page.drawText(v % 5 == 0 ? '---' : '--', {
              x: 5,
              y: v * 10,
              size: 20,
            });
          });
      };
      const drawGrid = (page) => {
        Array(parseInt(page.getHeight() / 10))
          .fill(1)
          .map((v, i) => {
            page.drawLine({
              start: { x: 0, y: i * 10 },
              end: { x: page.getWidth(), y: i * 10 },
            });
          });
        Array(parseInt(page.getWidth() / 10))
          .fill(1)
          .map((v, i) => {
            page.drawLine({
              start: { x: i * 10, y: 0 },
              end: { x: i * 10, y: page.getHeight() },
            });
          });
      };
      drawGrid(firstPage);
      drawLines(firstPage);
      drawLines(secondPage);

      firstPage.drawSvg(svg, {
        x: 100,
        y: 800,
      });

      /* secondPage.drawSvg(svg, {
        x: 100,
        y: 800,
      }); */

      const pdfBytes = await pdfDoc.save();

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