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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkMetaBlobConverter_hxx
#define itkMetaBlobConverter_hxx
namespace itk
{
template <unsigned int VDimension>
auto
MetaBlobConverter<VDimension>::CreateMetaObject() -> MetaObjectType *
{
return dynamic_cast<MetaObjectType *>(new BlobMetaObjectType);
}
/** Convert a metaBlob into an Blob SpatialObject */
template <unsigned int VDimension>
auto
MetaBlobConverter<VDimension>::MetaObjectToSpatialObject(const MetaObjectType * mo) -> SpatialObjectPointer
{
const auto * Blob = dynamic_cast<const BlobMetaObjectType *>(mo);
if (Blob == nullptr)
{
itkExceptionMacro("Can't downcast MetaObject to BlobMetaObject");
}
auto blob = BlobSpatialObjectType::New();
blob->GetProperty().SetName(Blob->Name());
blob->SetId(Blob->ID());
blob->SetParentId(Blob->ParentID());
blob->GetProperty().SetRed(Blob->Color()[0]);
blob->GetProperty().SetGreen(Blob->Color()[1]);
blob->GetProperty().SetBlue(Blob->Color()[2]);
blob->GetProperty().SetAlpha(Blob->Color()[3]);
using BlobPointType = itk::SpatialObjectPoint<VDimension>;
auto it2 = Blob->GetPoints().begin();
vnl_vector<double> v(VDimension);
for (unsigned int identifier = 0; identifier < Blob->GetPoints().size(); ++identifier)
{
BlobPointType pnt;
using PointType = typename BlobSpatialObjectType::PointType;
PointType point;
for (unsigned int ii = 0; ii < VDimension; ++ii)
{
point[ii] = (*it2)->m_X[ii] * Blob->ElementSpacing(ii);
}
pnt.SetPositionInObjectSpace(point);
pnt.SetRed((*it2)->m_Color[0]);
pnt.SetGreen((*it2)->m_Color[1]);
pnt.SetBlue((*it2)->m_Color[2]);
pnt.SetAlpha((*it2)->m_Color[3]);
blob->AddPoint(pnt);
++it2;
}
return SpatialObjectPointer(blob);
}
/** Convert a Blob SpatialObject into a metaBlob */
template <unsigned int VDimension>
auto
MetaBlobConverter<VDimension>::SpatialObjectToMetaObject(const SpatialObjectType * spatialObject) -> MetaObjectType *
{
BlobSpatialObjectConstPointer blobSO = dynamic_cast<const BlobSpatialObjectType *>(spatialObject);
if (blobSO.IsNull())
{
itkExceptionMacro("Can't downcast SpatialObject to BlobSpatialObject");
}
auto * Blob = new MetaBlob(VDimension);
// fill in the Blob information
typename BlobSpatialObjectType::BlobPointListType::const_iterator it;
for (it = blobSO->GetPoints().begin(); it != blobSO->GetPoints().end(); ++it)
{
auto * pnt = new BlobPnt(VDimension);
for (unsigned int d = 0; d < VDimension; ++d)
{
pnt->m_X[d] = it->GetPositionInObjectSpace()[d];
}
pnt->m_Color[0] = it->GetRed();
pnt->m_Color[1] = it->GetGreen();
pnt->m_Color[2] = it->GetBlue();
pnt->m_Color[3] = it->GetAlpha();
Blob->GetPoints().push_back(pnt);
}
if (VDimension == 2)
{
Blob->PointDim("x y red green blue alpha");
}
else
{
Blob->PointDim("x y z red green blue alpha");
}
float color[4];
for (unsigned int ii = 0; ii < 4; ++ii)
{
color[ii] = spatialObject->GetProperty().GetColor()[ii];
}
Blob->Color(color);
Blob->ID(spatialObject->GetId());
if (spatialObject->GetParent())
{
Blob->ParentID(spatialObject->GetParent()->GetId());
}
Blob->NPoints(Blob->GetPoints().size());
Blob->BinaryData(true);
return Blob;
}
} // end namespace itk
#endif
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