Is there a way of adding a drop shadow to a polygon or other shape being added to a PDF file?
I found this thread but I'm not clear if they were trying to do the same thing.
viewtopic.php?f=2&t=626&hilit=drop+shadowEssentially this is what I have at the moment being inserted into my document via another page created in PDFSharp:
![Image](http://patrick.seurre.com/wp-content/uploads/2021/07/well.jpg)
This is something that gets inserted potentially multiple times into the document but the background colour changes & sometimes the background colour can be quite light. This makes the super-imposed polygon virtually invisible in some cases. Ideally I'd like to add a small drop shadow to the cross polygon added to the PDF page but have no idea how to go about doing this or even if it's possible.