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//---------------------------------------------------------------------------
//
// Project: OpenWalnut ( http://www.openwalnut.org )
//
// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
// For more information see http://www.openwalnut.org/copying
//
// This file is part of OpenWalnut.
//
// OpenWalnut is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// OpenWalnut 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
//
//---------------------------------------------------------------------------
#ifndef WROI_H
#define WROI_H
#include <list>
#include <string>
#include <boost/signals2/signal.hpp>
#include <boost/signals2/connection.hpp>
#include <osg/Geode>
#include "../common/WProperties.h"
class WPickHandler;
/**
* Superclass for different ROI (region of interest) types.
*/
class WROI : public osg::Geode
{
public:
WROI();
/**
* Need virtual destructor because of virtual function.
*/
virtual ~WROI();
/**
* sets the NOT flag
*
* \param isNot
*/
void setNot( bool isNot = true );
/**
* getter for NOT flag
*
* \return the flag
*/
bool isNot();
/**
* getter
*
* \return the active flag
*/
bool active();
/**
* setter
*
* \param active
*/
void setActive( bool active );
/**
* hides the roi in the scene
*/
void hide();
/**
* unhides the roi in the scene
*/
void unhide();
/**
* Getter for modified flag
* \return the dirty flag
*/
bool dirty();
/**
* sets the dirty flag
*/
void setDirty();
/**
* Getter
* \return the properties object for this roi
*/
boost::shared_ptr< WProperties > getProperties();
/**
* Add a specified notifier to the list of default notifiers which get connected to each roi.
*
* \param notifier the notifier function
*/
void addROIChangeNotifier( boost::shared_ptr< boost::function< void() > > notifier );
/**
* Remove a specified notifier from the list of default notifiers which get connected to each roi.
*
* \param notifier the notifier function
*/
void removeROIChangeNotifier( boost::shared_ptr< boost::function< void() > > notifier );
protected:
/**
* initializes the roi's properties
*/
void properties();
/**
* callback when a property gets changed
*/
void propertyChanged();
/**
* signals a roi change to all subscribers
*/
void signalRoiChange();
osg::ref_ptr< WPickHandler > m_pickHandler; //!< A pointer to the pick handler used to get gui events for moving the box.
/**
* the property object for the module
*/
boost::shared_ptr< WProperties > m_properties;
/**
* dirty flag, indicating the graphics needs updating, it is no longer used for bitfield updating
* since these customers get the update notification via callback
*/
WPropBool m_dirty;
/**
* indicates if the roi is active
*/
WPropBool m_active;
/**
* indicates if the roi is visible in the scene
*/
WPropBool m_show;
/**
* indicates if the roi is negated
*/
WPropBool m_not;
/**
* threshold for an arbitrary roi
*/
WPropDouble m_threshold;
/**
* A color for painting the roi in the scene
*/
WPropColor m_color;
/**
* The notifiers connected to added rois by default.
*/
std::list< boost::shared_ptr< boost::function< void() > > > m_changeNotifiers;
/**
* Lock for associated notifiers set.
*/
boost::shared_mutex m_associatedNotifiersLock;
private:
/**
* updates the graphics
*/
virtual void updateGFX() = 0;
};
#endif // WROI_H
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