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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Img3D/Model/GeometryStore.cpp
//! @brief Implements class GeometryStore.
//!
//! @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 "Img3D/Model/GeometryStore.h"
#include "Img3D/Model/Geometry.h"
namespace Img3D {
std::shared_ptr<Geometry> GeometryStore::getGeometry(GeometricID::Key key)
{
auto it = m_geometries.find(key);
if (m_geometries.end() != it) {
if (auto g = it->second.lock())
return g;
}
std::shared_ptr<Geometry> g(new Geometry(key));
m_geometries[key] = GeometryRef(g);
return g;
}
void GeometryStore::geometryDeleted(Geometry const& g, GeometricID::Key key)
{
emit deletingGeometry(&g);
m_geometries.erase(key);
}
GeometryStore& geometryStore()
{
static GeometryStore gs;
return gs;
}
std::size_t GeometryStore::KeyHash::operator()(const GeometricID::Key& key) const noexcept
{
{
size_t h1 = std::hash<int>{}(static_cast<int>(key.id));
size_t h2 = std::hash<float>{}(key.p1);
size_t h3 = std::hash<float>{}(key.p2);
size_t h4 = std::hash<float>{}(key.p3);
return h1 ^ (h2 ^ (h3 ^ h4));
}
}
} // namespace Img3D
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