DSScreenEllipse.h

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//# DSScreenEllipse.h : Implementation of a relative screen pos. DSEllipse
//# Copyright (C) 1998,1999,2000,2001,2002
//# 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
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# 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.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#
//# $Id: 
#ifndef TRIALDISPLAY_DSSCREENELLIPSE_H
#define TRIALDISPLAY_DSSCREENELLIPSE_H

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

#include <display/DisplayShapes/DSEllipse.h>
#include <display/DisplayShapes/DisplayShapeWithCoords.h>

// <summary>
// Implementation of a relative screen pos. DSEllipse
// </summary>

namespace casa { //# NAMESPACE CASA - BEGIN

class DSPixelEllipse;
class DSWorldEllipse;
class PixelCanvas;

class DSScreenEllipse : public DSEllipse, public DisplayShapeWithCoords {

public:
  
  DSScreenEllipse();
  DSScreenEllipse(const Record& setting, PixelCanvas* pc);
  DSScreenEllipse(DSPixelEllipse& other, PixelCanvas* pc);
  DSScreenEllipse(DSWorldEllipse& other);
  
  virtual ~DSScreenEllipse();

  virtual void recalculateScreenPosition();
  virtual Bool setOptions(const Record& settings);
  virtual Record getOptions();

  virtual void move(const Float& dX, const Float& dy);
  virtual void setCenter(const Float& xPos, const Float& yPos);
  virtual void rotate(const Float& angle);
  virtual void changePoint(const Vector<Float>&pos, const Int n);
  virtual void changePoint(const Vector<Float>& pos);
  // PLUS OTHERS! :)  change point etc
  
  virtual Record getRawOptions() {
    return DSEllipse::getOptions();
  }

  virtual void updateRelative();

private:
  PixelCanvas* itsPC;
  Vector<Float> itsRelativeCenter;

  Float itsRelWidth;
  Float itsRelHeight;
  
};

} //# NAMESPACE CASA - END

#endif