test imageCapture

by fxi

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Screen Capture API Example</title>
</head>
<body>
<h1>test</h2>
  <button onclick="takeScreenshot()">Take Screenshot</button>
<iframe width='800' height='500' src='https://app.mapx.org/static.html?language=en&views=MX-E0C30-K480J-EIRZX&zoomToViews=true&p=0&b=0&z=1.774&lat=32.892&lng=-10.995&t3d=false&sat=false&theme=classic_light&globe=false' frameborder='0' allowfullscreen></iframe>

  <div>
    <img id="screenshot" style="max-width: 80%; margin-top: 20px;" />
  </div>

<script>
async function takeScreenshot() {
  try {
    const mediaStream = await navigator.mediaDevices.getDisplayMedia({
      video: { mediaSource: "screen" }
    });

    const track = mediaStream.getVideoTracks()[0];
    const imageCapture = new ImageCapture(track);
    const bitmap = await imageCapture.grabFrame();

    // Stop capturing after screenshot is taken
    track.stop();

    // Convert bitmap to data URL
    const canvas = document.createElement('canvas');
    canvas.width = bitmap.width;
    canvas.height = bitmap.height;

    const context = canvas.getContext('2d');
    context.drawImage(bitmap, 0, 0, bitmap.width, bitmap.height);

    const img = document.getElementById('screenshot');
    img.src = canvas.toDataURL('image/png');
    
  } catch (err) {
    console.error("Error: ", err);
    alert("Unable to capture screenshot: " + err.message);
  }
}
</script>
</body>
</html>