SHistogram.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2017.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */

#ifndef __SCENE2D_ADAPTOR_SHISTOGRAM_HPP__
#define __SCENE2D_ADAPTOR_SHISTOGRAM_HPP__

#include "scene2D/config.hpp"

#include <fwData/Point.hpp>

#include <fwRenderQt/IAdaptor.hpp>

namespace scene2D
{

namespace adaptor
{

class SCENE2D_CLASS_API SHistogram : public ::fwRenderQt::IAdaptor
{
public:
    fwCoreServiceClassDefinitionsMacro( (SHistogram)( ::fwRenderQt::IAdaptor) );

    SCENE2D_API SHistogram() noexcept;
    SCENE2D_API virtual ~SHistogram() noexcept;

protected:
    SCENE2D_API void configuring() override;
    SCENE2D_API void starting() override;
    SCENE2D_API void updating() override;
    SCENE2D_API void stopping() override;

    SCENE2D_API void processInteraction( ::fwRenderQt::data::Event& _event ) override;

    SCENE2D_API ::fwServices::IService::KeyConnectionsMap getAutoConnections() const override;

    static const float SCALE;

private:
    void updateCurrentPoint( ::fwRenderQt::data::Event& _event, const ::fwData::Point::sptr& point );

    QPen m_color;

    float m_opacity;

    float m_scale;

    // Graphics items contained into m_items are also added to this group item,
    // which is then added to the scene.
    // (This is the only graphic item which has to be added into the scene).
    QGraphicsItemGroup* m_layer;
};

}   // namespace adaptor

}   // namespace scene2D

#endif  // __SCENE2D_ADAPTOR_SHISTOGRAM_HPP__