DefineQuadrangleMouseHandler.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/DefineQuadrangleMouseHandler.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.GPL  **
** 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 <ICLQt/MouseHandler.h>
#include <ICLUtils/Lockable.h>
#include <ICLUtils/Uncopyable.h>
#include <ICLUtils/VisualizationDescription.h>

namespace icl{
  namespace qt{

    class DefineQuadrangleMouseHandler : public qt::MouseHandler, 
          public utils::Uncopyable, public utils::Lockable{
      struct Data;  
      Data *m_data; 
     
      public:

      DefineQuadrangleMouseHandler();


      DefineQuadrangleMouseHandler(const utils::Size &maxSize, bool convexOnly=true);
      
      virtual void process(const qt::MouseEvent &e);
      
      virtual ~DefineQuadrangleMouseHandler();

      void init(const utils::Size &maxSize, bool convexOnly=true);
      
      void setOffset(const utils::Point &p);
      
      std::vector<utils::Point> getQuadrangle() const;
      

      void setQuadrangle(const utils::Point ps[4]) throw (utils::ICLException);
      
      inline bool isNull() const { return !m_data; }

      utils::VisualizationDescription vis() const;

    };
  }
}