WorldCanvasTranslator.h

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//# Copyright (C) 2005
//# 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:
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//#        Postal address: AIPS++ Project Office
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/*
 * WorldCanvasTranslator.h
 *
 *      Pure interface class used to decrease the coupling between
 *      the QtCanvas and classes needing to plot their data on the
 *      canvas (specifically ProfileFitMarker).
 */

#ifndef WORLDCANVASTRANSLATOR_H_
#define WORLDCANVASTRANSLATOR_H_

namespace casa {

class WorldCanvasTranslator {
public:
        WorldCanvasTranslator();
        virtual int getPixelX( double dataX ) const = 0;
        virtual int getPixelY ( double dataY ) const = 0;
        virtual ~WorldCanvasTranslator();
};

} /* namespace casa */
#endif /* WORLDCANVASTRANSLATOR_H_ */