casa6

//# PlotShape.h: Different shape classes that can be drawn on a canvas.

//# Copyright (C) 2008

//# 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 PLOTSHAPE_H_

#define PLOTSHAPE_H_

​

#include <graphics/GenericPlotter/PlotItem.h>

​

#include <vector>

​

namespace casa {

​

// Abstract class for any shape which contains common functionality.

class PlotShape : public virtual PlotItem {

public:

    // Constructor.

    PlotShape() { }

    // Destructor.

    virtual ~PlotShape() { }

    // Implements PlotItem::drawCount().  Provides default implementation that

    // returns 1.

    virtual unsigned int drawCount() const { return 1; }

    // ABSTRACT METHODS //

    // Returns the coordinates for this shape.  The number and order depends

    // on the specific shape subclass.

    virtual std::vector<PlotCoordinate> coordinates() const = 0;

    // Sets this shape's coordinates to the given.  Must be in the same size

    // and order as that returned by coordinates().  Specific to each shape

    // subclass.

    virtual void setCoordinates(const std::vector<PlotCoordinate>& c) = 0;

    // Returns true if a line is shown for this shape, false otherwise.

    virtual bool lineShown() const = 0;

    // Sets whether a line is shown for this shape or not.

    virtual void setLineShown(bool line = true) = 0;

    // Returns a copy of the line used for this shape.

    virtual PlotLinePtr line() const = 0;

    // Sets this shape's line to the given.

    virtual void setLine(const PlotLine& line) = 0;

    // Returns true if this shape has an area fill, false otherwise.

    virtual bool areaFilled() const = 0;

    // Sets whether or not this shape has an area fill.

    virtual void setAreaFilled(bool area = true) = 0;

    // Returns a copy of the area fill for this shape.

    virtual PlotAreaFillPtr areaFill() const = 0;

    // Sets this shape's area fill to the given.

    virtual void setAreaFill(const PlotAreaFill& fill) = 0;

    // IMPLEMENTED METHODS //

    // Convenience methods for setting the line for this shape.

    // <group>

    virtual void setLine(const PlotLinePtr l) {