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It is actually possible to extract some raw images from the PDF file. In general, images do not exist inside a PDF file –... In theory the PDF file format is specified in detail and is very precise. In practice, you meet alsorts of ‘interesting problems’ – the... Access to PDF files can be secured so that not just anyone can open them. This is achieved by encryption – the bytes in... The PDF Mask features offer a whole set of functionality to allow complicated image drawing to happen. Rather than just sticking an image on... In this article I aim to provide an general introduction to XFA forms, the XML Forms Architecture, and how the data is stored in...
