DisplayShapeWithCoords.h

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//# DisplayShapeWithCoords.h : Base class for DisplayShapes with Coords
//# 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_DISPLAYSHAPEWITHCOORDS_H
#define TRIALDISPLAY_DISPLAYSHAPEWITHCOORDS_H

#include <casa/aips.h>
#include <display/DisplayShapes/DisplayShape.h>

namespace casa { //# NAMESPACE CASA - BEGIN

// <summary>
// Base class for DisplayShapes with Coords
// </summary>

        class Record;
        class PixelCanvas;
        class PanelDisplay;
        class WorldCanvas;

        template <class T> class Vector;
        template <class T> class Matrix;

        class DisplayShapeWithCoords {

        public:
                virtual Record getRawOptions() = 0;

                static void floatToPix(Record& inHere, const String& field);
                static void floatPointToPix(Record& inHere, const String& field);

                static void matrixFloatToQuant(Record& inHere, const String& field,
                                               const String& unit);
                static void matrixFloatFromQuant(Record& inHere,
                                                 const String& field,
                                                 const String& onlyParseTheseUnits);

                static void floatFromPix(Record& inHere, const String& field);
                static void floatPointFromPix(Record& inHere, const String& field);

                static WorldCanvas* chooseWCFromWorldPoint(const Record& settings,
                        PanelDisplay* pd);

                static WorldCanvas* chooseWCFromWorldPoints(const Record& settings,
                        const String& fieldWithPoints,
                        PanelDisplay* pd);

                static WorldCanvas* chooseWCFromPixPoint(const Float& xPos,
                        const Float& yPos,
                        PanelDisplay* pd);

                static WorldCanvas* chooseWCFromPixPoints(const Matrix<Float> points,
                        PanelDisplay* pd);

                static Vector<Float> floatPointFromQuant(const Record &inHere,
                        const String& field,
                        String& units);

                static Vector<Float> relToScreen(const Vector<Float>& rel, PixelCanvas* pc);
                static Vector<Float> screenToRel(const Vector<Float>& screen,
                                                 PixelCanvas* pc);

                static Matrix<Float> relToScreen(const Matrix<Float>& rel, PixelCanvas* pc);
                static Matrix<Float> screenToRel(const Matrix<Float>& screen,
                                                 PixelCanvas* pc);

                static Bool inWorldCanvasDrawArea(const Matrix<Float> points,
                                                  WorldCanvas* wc);

                static void pixelToWorldPoints(Record& inHere, const String& fieldname,
                                               WorldCanvas* wc);
                virtual ~DisplayShapeWithCoords() {}

        };

} //# NAMESPACE CASA - END

#endif