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Anti-aliasing is the processes of making the edges of lines on shapes or text less jagged. This is done by fooling the eye –... 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...