Igor Savin created PDFBOX-2835:
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             Summary: Patch to make Overlay class properly extendable
                 Key: PDFBOX-2835
                 URL: https://issues.apache.org/jira/browse/PDFBOX-2835
             Project: PDFBox
          Issue Type: Improvement
          Components: Utilities
    Affects Versions: 1.8.9
            Reporter: Igor Savin


We are trying to implement custom logic for overlaying documents. However, 
current PDFBox implementation is excessively strictly encapsulated and it's not 
really possible. What makes things worse, overlay implementation is very strict 
about the way output gets processed. Please find attached link to the patch 
that makes overlay logic more flexible by:

1) Making some of the methods protected;
2) Moving output logic to a method that can be overridden.
3) Moving getting list of pages to be processed logic to a method that can be 
overridden.

http://kiberion.net/kibertoad/0001-Modify-Overlay-class-for-improved-extensibility.patch

If there are some adjustments that should be done or a separate version made 
for trunk - please let me know, I'll get to it immediately.



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