Bug report
Text cannot be selected in the RadPdfViewer with pdfjs v3.4.120 or newer.
Current behavior
Text cannot be selected
Expected/desired behavior
Text should be selectable
Reproduction demos:
Example 1
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.sandbox.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf_viewer.min.js"></script>
<script type="text/javascript">
window.pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf.worker.js';
</script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.11.174/pdf_viewer.min.css" type="text/css" rel="stylesheet" />
t>
<telerik:RadPdfViewer ID="TKPdfViewer" runat="server" Width="100%">
<ToolBarSettings Items="pager, zoom, toggleSelection, search, download, print, spacer" />
<PdfjsProcessingSettings File="TestPDF.pdf">
</PdfjsProcessingSettings>
</telerik:RadPdfViewer>
Example 2
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.4.120/pdf.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.4.120/pdf.sandbox.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.4.120/pdf.worker.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.4.120/pdf_viewer.min.js"></script>
<script type="text/javascript">
window.pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.4.120/pdf.worker.js';
</script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.4.120/pdf_viewer.min.css" type="text/css" rel="stylesheet" />
t>
<telerik:RadPdfViewer ID="TKPdfViewer" runat="server" Width="100%">
<ToolBarSettings Items="pager, zoom, toggleSelection, search, download, print, spacer" />
<PdfjsProcessingSettings File="TestPDF.pdf">
</PdfjsProcessingSettings>
</telerik:RadPdfViewer>
Text of PDF documents in PDFViewer may be blurred on HiDPI screens.
Go to PDFViewer demo on
Text is blurred, most visible on small letters.
Text is not blurred.
Some PDF documents not displaying correctly in RadPdfViewer - the text is missing, showing only box borders. The issue is not reproducible neither in PDF.js, nor in Kendo UI PDF Viewer: