DrawHandle.h

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/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLQt/src/ICLQt/DrawHandle.h                           **
** Module : ICLQt                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** GNU LESSER GENERAL PUBLIC LICENSE                               **
** This file may be used under the terms of the GNU Lesser General **
** Public License version 3.0 as published by the                  **
**                                                                 **
** Free Software Foundation and appearing in the file LICENSE.LGPL **
** included in the packaging of this file.  Please review the      **
** following information to ensure the license requirements will   **
** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
********************************************************************/

#pragma once

#include <ICLUtils/CompatMacros.h>
#include <ICLUtils/Exception.h>
#include <ICLQt/GUIHandle.h>

namespace icl{
  namespace core{ class ImgBase; }
  namespace qt{
    class ICLDrawWidget;

    class ICLQt_API DrawHandle : public GUIHandle<ICLDrawWidget>{
      public:
      DrawHandle(){}
  
      DrawHandle(ICLDrawWidget *w, GUIWidget *guiw):GUIHandle<ICLDrawWidget>(w,guiw){}
      
      void setImage(const core::ImgBase *image);
      
      void operator=(const core::ImgBase *image) { setImage(image); }
  
      void operator=(const core::ImgBase &image) { setImage(&image); }
      
      void render();
  
      virtual void registerCallback(const GUI::Callback &cb, const std::string &events="all");
  
      virtual void registerCallback(const GUI::ComplexCallback&, const std::string &){
        throw utils::ICLException("ImageHandle::registerCallback: you cannot register "
                           "GUI::ComplexCallback instances to an image GUI component");
      }
      
      virtual void removeCallbacks();
  
    };
    
  } // namespace qt
}