title: frxPDFexport and frxReport component in Fast Reports 4 does not export high quality images
body: <p>I using FR4 VCL components in a software written in Delphi 7. In some reports i using images with high quality. But when i'm trying to export report to a PDF file using frxPDFExport component, the quality of images in exported PDF are poor. </p>
  
  <pre><code>frxPDFExport.Filename := 'D:\temp\exported_files\example.pdf';
  frxReport1.Export(frxPDFExport);
  </code></pre>
  
  <p>I changed the properties of my frxPDFExport component, but it doesn't helped me. The changes that i applied to frxPDFExport:</p>
  
  <pre><code>    Compressed: False;
      PrintOptimized: False;
      OpenAFterExport : true;
      UseFileCache: true;
      HTML Tags: true;
  </code></pre>
  
  <p>If you can, please provide the solution of my problem. <br />
  Thanks</p>