title: OpenCV with other GUI (like Qt or WxWidgets) on Win32 VC++
body: <p>I want to use OpenCV's image processing functions, but not the OpenCV GUI.  I'm using OpenCV 2.0.  I will use either Qt4 or WxWidgets for GUI functions.  I compile with VC++ 2008 Express (VC++ 9.0).</p>
  
  <p>I guess it breaks down to two or three questions:</p>
  
  <ol>
  <li><p>Is it necessary to do something to disable OpenCV's higui so it does not interfere with the preferred GUI library, and if so, how?</p></li>
  <li><p>How to convert an OpenCV image into something (bitmap?) that the preferred GUI can display (and perhaps save)?</p></li>
  <li><p>(Optional) How to convert an image that was loaded using the preferred interface into a form that OpenCV can use?</p></li>
  </ol>