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fixed crash in enabling shading for polydata widgets

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This commit is contained in:
Anatoly Baksheev
2014-01-09 19:34:55 +04:00
parent e478d6b1e9
commit d591bd875b
4 changed files with 27 additions and 23 deletions
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16
modules/viz/src/widget.cpp
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@@ -141,10 +141,10 @@ void cv::viz::Widget::setRenderingProperty(int property, double value)
if (!actor->GetMapper()->GetInput()->GetPointData()->GetNormals())
{
vtkSmartPointer<vtkPolyDataMapper> mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());
vtkSmartPointer<vtkPolyDataNormals> normals = vtkSmartPointer<vtkPolyDataNormals>::New();
VtkUtils::SetInputData(normals, mapper->GetInput());
normals->Update();
VtkUtils::SetInputData(mapper, normals->GetOutput());
CV_Assert("Can't set shading property for such type of widget" && mapper);
vtkSmartPointer<vtkPolyData> with_normals = VtkUtils::ComputeNormals(mapper->GetInput());
VtkUtils::SetInputData(mapper, with_normals);
}
actor->GetProperty()->SetInterpolationToGouraud();
break;
@@ -154,10 +154,10 @@ void cv::viz::Widget::setRenderingProperty(int property, double value)
if (!actor->GetMapper()->GetInput()->GetPointData()->GetNormals())
{
vtkSmartPointer<vtkPolyDataMapper> mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());
vtkSmartPointer<vtkPolyDataNormals> normals = vtkSmartPointer<vtkPolyDataNormals>::New();
VtkUtils::SetInputData(normals, mapper->GetInput());
normals->Update();
VtkUtils::SetInputData(mapper, normals->GetOutput());
CV_Assert("Can't set shading property for such type of widget" && mapper);
vtkSmartPointer<vtkPolyData> with_normals = VtkUtils::ComputeNormals(mapper->GetInput());
VtkUtils::SetInputData(mapper, with_normals);
}
actor->GetProperty()->SetInterpolationToPhong();
break;