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Over the holiday I read an interesting question asking how to find numbers within a specific range on a PDF page. This set me... I was recently sent a PDF file where some of the metadata appeared to be wrong. In particular, the PRODUCER field was appearing in... How to calculate PDF Image dpi Most elements of a PDF file are device independent Vector graphics. This means that they will always appear... White is a special color in the PDF file format. This is because of the way different colours work in the PDF file format.... Update: You can see all these modes in action on Youtube. A PDF file is a multipage document which can contain many pages. Unlike...
