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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Sim/BackgroundItems.cpp
//! @brief Implements 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)
//
// ************************************************************************************************
#include "GUI/Model/Sim/BackgroundItems.h"
#include "GUI/Model/Util/UtilXML.h"
#include "Sim/Background/ConstantBackground.h"
#include "Sim/Background/PoissonBackground.h"
namespace {
namespace Tag {
const QString BackgroundValue("BackgroundValue");
} // namespace Tag
} // namespace
ConstantBackgroundItem::ConstantBackgroundItem()
{
m_background_value.init("Background flux", "", "Constant background value", 0.0, 3,
RealLimits::nonnegative(), "value");
}
std::unique_ptr<IBackground> ConstantBackgroundItem::createBackground() const
{
return std::make_unique<ConstantBackground>(m_background_value.dVal());
}
void ConstantBackgroundItem::writeTo(QXmlStreamWriter* w) const
{
// background value
m_background_value.writeTo2(w, Tag::BackgroundValue);
}
void ConstantBackgroundItem::readFrom(QXmlStreamReader* r)
{
while (r->readNextStartElement()) {
QString tag = r->name().toString();
if (tag == Tag::BackgroundValue) {
m_background_value.readFrom2(r, tag);
} else
r->skipCurrentElement();
}
}
std::unique_ptr<IBackground> PoissonBackgroundItem::createBackground() const
{
return std::make_unique<PoissonBackground>();
}
std::unique_ptr<IBackground> NoBackgroundItem::createBackground() const
{
return {};
}
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