MultiPolylineToolImpl.h

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//# Copyright (C) 1999,2000,2001,2002
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
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//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
//# License for more details.
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//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
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//# $Id$

#ifndef DISPLAY_MULTIPOLYLINETOOLIMPL_H
#define DISPLAY_MULTIPOLYLINETOOLIMPL_H

//# aips includes
#include <casa/aips.h>
#include <casa/Arrays/Vector.h>

//# trial includes

//# display library includes
//#include <display/Display/WorldCanvas.h>
#include <display/DisplayEvents/MultiPolylineTool.h>
#include <display/region/RegionSourceFactory.h>

namespace casa { //# NAMESPACE CASA - BEGIN

// <summary>
// WorldCanvas event-based polyline region drawer
// </summary>

// <use visibility=export>

// <reviewed reviewer="" data="yyyy/mm/dd" tests="" demos="">
// </reviewed>

// <prerequisites>
//   <li> WCRectTool
// </prerequisites>


// <example>
// </example>



        class MultiPolylineToolImpl : public MultiPolylineTool {

        public:

                // Constructor
                MultiPolylineToolImpl(viewer::RegionSourceFactory *rf, PanelDisplay* pd, Display::KeySym keysym = Display::K_Pointer_Button3);

                // Destructor
                virtual ~MultiPolylineToolImpl();

        protected:

                // Handle double-click inside the polygon.  Invokes regionReady().
                virtual void doubleInside();

                // This function is called when a region is deliberately "finished"
                // by the user.  It can be implemented to do further actions, such
                // as report the region to the application.
                virtual void regionReady() { };

                // get the world coords of the current polygon region
                void getWorldCoords(casacore::Vector<casacore::Double> &x, casacore::Vector<casacore::Double> &y);

                // get the linear coords of the current ploygon region
                void getLinearCoords(casacore::Vector<casacore::Double> &x, casacore::Vector<casacore::Double> &y);

        };


} //# NAMESPACE CASA - END

#endif