How do I programatically take a screenshot of an application in Linux?

Question

How do I programatically take a screenshot of an application in Linux? I'm using c++. Any idea? For windows there are a lot of resources but I can't find anything for linux

Any help? Thanks

Answer 1

Already answered here:

Screenshot of a windows application running under wine (linux)

Edit: if you want to do it in C, try Xlib. Some links:

• http://tronche.com/gui/x/xlib/
• http://www.roard.com/docs/cookbook/cbsu19.html