camera

I wanted to integrate the photographic camera in my game it is possible to do this with cocos2dx?

You’ll have to use WP Runtime via C++/CX.
Check this out: http://www.developer.nokia.com/community/wiki/Getting_started_with_the_Camera_APIs_for_native_code
And some (pretty bad) documentation: http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj571202