DSWorldRectangle.h

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//# DSWorldRectangle.h : Implementation of a world coords DSRectangle
//# 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_DSWORLDRECTANGLE_H
#define TRIALDISPLAY_DSWORLDRECTANGLE_H
#include <casa/aips.h>
#include <casa/Arrays/Vector.h>
#include <casa/Arrays/Matrix.h>

#include <casa/Quanta/Quantum.h>
#include <casa/Quanta/QuantumHolder.h>
#include <display/Display/PanelDisplay.h>

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

namespace casa { //# NAMESPACE CASA - BEGIN

// <summary>
// Implementation of a world coords DSRectangle
// </summary>

        class PanelDisplay;
        class DSPixelRectangle;
        class DSScreenRectangle;

        class DSWorldRectangle : public DSRectangle , public DisplayShapeWithCoords {

        public:

                DSWorldRectangle();
                DSWorldRectangle(const casacore::Record& settings, PanelDisplay* pd);
                DSWorldRectangle(DSScreenRectangle& other, PanelDisplay* pd);
                DSWorldRectangle(DSPixelRectangle& other, PanelDisplay* pd);

                virtual ~DSWorldRectangle();

                virtual void recalculateScreenPosition();

                // So we can update our WCs
                // <group>
                virtual void move(const casacore::Float& dX, const casacore::Float& dY);
                virtual void setCenter(const casacore::Float& xPos, const casacore::Float& yPos);
                virtual void rotate(const casacore::Float& angle);
                virtual void changePoint(const casacore::Vector<casacore::Float>&pos, const casacore::Int n);
                virtual void changePoint(const casacore::Vector<casacore::Float>& pos);
                virtual void draw(PixelCanvas* pc);
                // </group>

                // PLUS OTHERS!!

                virtual casacore::Bool setOptions(const casacore::Record& settings);
                virtual casacore::Record getOptions();



                virtual casacore::Record getRawOptions() {
                        return DSRectangle::getOptions();
                }

                virtual PanelDisplay* panelDisplay()  {
                        return itsPD;
                }
        private:


                // Based on a pixel center
                //  virtual casacore::Bool chooseWC(const casacore::Float& centerX, const casacore::Float& centerY,
                //              PanelDisplay* pdx,
                //WorldCanvas* wc);

                // The paneldisplay from which I may choose an appropriate WC
                PanelDisplay* itsPD;

                // The WC of my choosing
                WorldCanvas* itsWC;

                // The center of the marker in world co-ords.
                // x, y, major, minor, angle
                casacore::Vector<casacore::Quantum<casacore::Double> > itsWorldParameters;

                void updateWCoords();
        };

} //# NAMESPACE CASA - END

#endif