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Topic: Detecting Transparency
Conf: (P-PDF) Developers, Msg: 93836
Date: 8/7/2003 12:38 AM
I am writing an application to search through a pdf file and detect weather transparency is present in the file. Can anyone tell me what I should be looking for to alert me to the presence of transparency?
I have done some preliminary research and find the the "/Group" tag in the form dictionary and look for the "Transparency" tag in the group dictionary object. But this doesn't always seem to be present.