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Signature image quality

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  • #19469 Reply
    Derek Pegg


    Pro2PDF working nicely in the main and I have just purchased upgraded licence.

    One issue I’m having is the quality of the signatures when added to output PDF.

    I don;t think this is a Formidable signature add-on issue as the image from Formidable on the output email looks OK, just not so good when added to the PDF.

    The signature image appears to be changed in that the lines are thicker and generally poorer quality. This seems odd as I would have thought it would insert the image as is.

    You can see an example at with the png generated by Formidable above and a screenshot of my PDF (it has a grey background) below.

    I’ve read up on the signature ‘multiplier’ and tried this but think the issue lies somewhere int he PDF export.

    I have tried resizing both the input Formidable canvas and the output field but no luck.

    Any ideas on how my PDF signature outputs can be the same quality (or at least the same line thickness) as the original Formidable output?

    Thanks if you can help.

    #19471 Reply


    You can try to use ‘fpro2pdf_sig_output_options’ filter at functions.php where ‘nrtzvr’ is the field key of signature:

    add_filter( 'fpro2pdf_sig_output_options', 'fpro2pdf_sig_output_options_func', 10, 2);
    function fpro2pdf_sig_output_options_func( $options, $field ) {
        if ($field == 'nrtzvr')  {
             $options['penWidth'] = 2;
      return $options;
    • This reply was modified 5 years, 9 months ago by admin2.
    • This reply was modified 5 years, 9 months ago by admin2.
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