Fixing a PDF Accessibility Issue (Alternative description missing for an annotation) when converting an HTML Page to PDF

Question

Currently, I am working on a program that converts an html page into a PDF using the iText Library.

The Checker that I am using is PAC3 -->PDF Accessibility Checker

Answer 1

You did not specify whether you using old code (XMLWorker, HTMLWorker) or new iText code (pdfHTML).

This of course impacts the proposed solution.

In my answer I am going to assume you are using pdfHTML

There are several options:

• edit the incoming HTML using a library like JSoup
• convert the incoming HTML to iText IElement objects, and edit those, setting properties where needed
• write your own custom TagWorker that handles all instances of a specific tag, and write custom logic to deal with the missing annotations.

An example of a custom tag worker can be found here: https://developers.itextpdf.com/content/itext-7-examples/converting-html-pdf/pdfhtml-custom-tagworker-example