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Originally Posted by axel77
About the GUI, what language have you thought of? Interface, I thought it ideally would allow you to specify rectangles per page, that is on the left it shows thumbs of the pages, when you do the rectangles on the first page, it will automatically apply them to all following, but it allows you to move downward and move them on some pages... like some scans are sometimes a bit off... Language, has java all features we would need? It has at least GUI, image support and I heared pdf support also.
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I think Java would be a good choice as there are many open libraries around on the net (e.g.
JIU for image manipulation,
pdf-renderer etc). And of course it would be platform independent. I like the idea about the selection of desired sections, sounds nice.
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Another crazy idea would be web-based (GWT?) application, where the processing is actually done on the server... one *can* draw rectangles with javascript/GWT (which are actually 4 divs).. I could offer one virtual host for such a service. but otherwise I'd go with everything you feel comfortable with 
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I think a virtual host wouldn't be enough as of CPU and memory utilization. And of course you have to think of the copyright issues that might arise if you deal with other people's PDF files... I'm clearly in favor of the Java application :-)
Anyway, I've already set up a project at the Mobileread Dev Hub. I called the project
PDF Scissors 