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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Sim/BackgroundItems.h
//! @brief Defines class BackgroundItemes.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_GUI_MODEL_SIM_BACKGROUNDITEMS_H
#define BORNAGAIN_GUI_MODEL_SIM_BACKGROUNDITEMS_H
#include "GUI/Model/Descriptor/DoubleProperty.h"
#include <memory>
class IBackground;
class BackgroundItem {
public:
virtual ~BackgroundItem() = default;
virtual std::unique_ptr<IBackground> createBackground() const = 0;
virtual void writeTo(QXmlStreamWriter*) const {}
virtual void readFrom(QXmlStreamReader*) {}
};
class NoBackgroundItem : public BackgroundItem {
public:
std::unique_ptr<IBackground> createBackground() const override;
};
class ConstantBackgroundItem : public BackgroundItem {
public:
ConstantBackgroundItem();
std::unique_ptr<IBackground> createBackground() const override;
void writeTo(QXmlStreamWriter* w) const override;
void readFrom(QXmlStreamReader* r) override;
DoubleProperty& backgroundValue() { return m_background_value; }
const DoubleProperty& backgroundValue() const { return m_background_value; }
void setBackgroundValue(double v) { m_background_value.setDVal(v); }
protected:
DoubleProperty m_background_value;
};
class PoissonBackgroundItem : public BackgroundItem {
public:
std::unique_ptr<IBackground> createBackground() const override;
};
#endif // BORNAGAIN_GUI_MODEL_SIM_BACKGROUNDITEMS_H
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