title: jsPDF addHTML exporting low quality image to PDF
body: <p>Simple question searching from last 2 days but didnt find solution
  i am converting html to pdf using this addHTML api of jsPDF</p>
  
  <pre><code>$('#loadPdf').on('click', function() {
          var pdf = new jsPDF('p', 'in', 'a4');
          pdf.addHTML($('#complete')[0], function() {
              pdf.save('new.pdf');
              pdf.output('datauri');
          });
      });
  </code></pre>
  
  <p>this is producing blur image pdf the text is showing blurry. I searched a lot find some links (share below) but didn't get answer.</p>
  
  <p><a href="https://stackoverflow.com/questions/22803825/html2canvas-generates-blurry-images">html2canvas-generates-blurry-images</a></p>
  
  <p><a href="https://github.com/MrRio/jsPDF/issues/339" rel="noreferrer">addHTML image quality</a></p>
  
  <p><a href="https://github.com/MrRio/jsPDF/issues/343" rel="noreferrer">jspdf and addHTML / blurry font</a></p>
  
  <p>is there any way available to get high quality image pdf. If i don't use addHTML api and use any other then image is not displaying in pdf. help please</p>