bscheibel
/
ui


			
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							<!DOCTYPE html><meta charset="utf-8"/>
<link rel="stylesheet" href="{{ url_for('static', filename='css/text_layer_builder.css') }}" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="//mozilla.github.io/pdf.js/build/pdf.js"></script>
<link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}"/>

<script type="javascript" src="//cdnjs.cloudflare.com/ajax/libs/pdf.js/2.3.200/pdf.js"></script>
<!-- das funktioniert!!!!!
<script type="javascript" src="https://unpkg.com/pdfjs-dist@latest/build/pdf.js" ></script>
<script type="javascript" src="{{ url_for('static', filename='js/pdf.js') }}"></script>

<script src="https://mozilla.github.io/pdf.js/build/pdf.js"></script>
-->


<script type="javascript" src="{{ url_for('static', filename='js/text_layer_builder.js') }}"></script>
<script type="javascript" src="{{ url_for('static', filename='js/ui_utils.js') }}"></script>
<body>
<div id="container"> {{og_filename}}</div>
<script>

var og_filename = "{{og_filename}}";
var url = "{{ url_for('send_file', filename=og_filename) }}";
console.log(og_filename);

var pdfjsLib = window['pdfjs-dist/build/pdf'];

pdfjsLib.getDocument(url)
  .promise.then(function(pdf) {

    // Get div#container and cache it for later use
    var container = document.getElementById("container");

    // Loop from 1 to total_number_of_pages in PDF document
    for (var i = 1; i <= pdf.numPages; i++) {

        // Get desired page
        pdf.getPage(i).then(function(page) {

          var scale = 1.5;
          var viewport = page.getViewport({scale: scale});
          var div = document.createElement("div");

          // Set id attribute with page-#{pdf_page_number} format
          div.setAttribute("id", "page-" + (page.pageIndex + 1));

          // This will keep positions of child elements as per our needs
          div.setAttribute("style", "position: relative");

          // Append div within div#container
          container.appendChild(div);

          // Create a new Canvas element
          var canvas = document.createElement("canvas");

          // Append Canvas within div#page-#{pdf_page_number}
          div.appendChild(canvas);

          var context = canvas.getContext('2d');
          canvas.height = viewport.height;
          canvas.width = viewport.width;

          var renderContext = {
            canvasContext: context,
            viewport: viewport
          };

          // Render PDF page
         page.render(renderContext)
  .promise.then(function() {
    // Get text-fragments
    return page.getTextContent();
    console.log(textContent);
  })
  .then(function(textContent) {
    // Create div which will hold text-fragments
    var textLayerDiv = document.createElement("div");

    // Set it's class to textLayer which have required CSS styles
    textLayerDiv.setAttribute("class", "textLayer");

    // Append newly created div in `div#page-#{pdf_page_number}`
    div.appendChild(textLayerDiv);

    // Create new instance of TextLayerBuilder class
    var textLayer = new TextLayerBuilder({
      textLayerDiv: textLayerDiv,
      pageIndex: page.pageIndex,
      viewport: viewport
    });

    // Set text-fragments
    textLayer.setTextContent(textContent);

    // Render text-fragments
    textLayer.render();
  });
        });
    }
});

</script>
</body>
</html>