ZoomWidget.qo.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:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
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//#
#ifndef ZOOMWIDGET_QO_H
#define ZOOMWIDGET_QO_H

#include <QtGui/QWidget>
#include <guitools/Histogram/ZoomWidget.ui.h>
#include <casa/Utilities/CountedPtr.h>

namespace casa {

template <class T> class ImageInterface;
class ImageRegion;

class ZoomWidget : public QWidget
{
    Q_OBJECT

public:
    ZoomWidget(bool rangeControls, QWidget *parent = 0);
    void setImage( const SHARED_PTR<const ImageInterface<float> > image );
    void setRegion( ImageRegion* region );
    void copyState( ZoomWidget* other );

    ~ZoomWidget();

signals:
        void zoomRange( float min, float max );
        void zoomNeutral();
        void zoomGraphicalRange();
        void finished();


private slots:
        void percentageToggled( bool selected );
        void zoom();

private:
        void calculateRange( );

        //Added because custom widgets as menu items were appearing transparent
        //on the MAC.
        void setDefaultBackground();

    Ui::ZoomWidgetClass ui;
    QStringList zoomList;
    SHARED_PTR<const ImageInterface<float> > image;
    ImageRegion* region;
};

}

#endif // ZOOMWIDGET_QO_H