vtkMitkRenderProp.cpp

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/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#include "vtkMitkRenderProp.h"

#include <vtkLODProp3D.h>
#include <vtkObjectFactory.h>
#include <vtkPropAssembly.h>

#include "mitkVtkMapper.h"
//#include "mitkGLMapper.h"

vtkStandardNewMacro(vtkMitkRenderProp);

vtkMitkRenderProp::vtkMitkRenderProp()
{
}
vtkMitkRenderProp::~vtkMitkRenderProp()
{
}

double *vtkMitkRenderProp::GetBounds()
{
  return const_cast<double *>(m_VtkPropRenderer->GetBounds());
}

void vtkMitkRenderProp::SetPropRenderer(mitk::VtkPropRenderer::Pointer propRenderer)
{
  this->m_VtkPropRenderer = propRenderer;
}

int vtkMitkRenderProp::RenderOpaqueGeometry(vtkViewport * /*viewport*/)
{
  return m_VtkPropRenderer->Render(mitk::VtkPropRenderer::Opaque);
}

int vtkMitkRenderProp::RenderOverlay(vtkViewport * /*viewport*/)
{
  return m_VtkPropRenderer->Render(mitk::VtkPropRenderer::Overlay);
}

void vtkMitkRenderProp::ReleaseGraphicsResources(vtkWindow *window)
{
  m_VtkPropRenderer->ReleaseGraphicsResources(window);
}

void vtkMitkRenderProp::InitPathTraversal()
{
  m_VtkPropRenderer->InitPathTraversal();
}

vtkAssemblyPath *vtkMitkRenderProp::GetNextPath()
{
  return m_VtkPropRenderer->GetNextPath();
}

int vtkMitkRenderProp::GetNumberOfPaths()
{
  return m_VtkPropRenderer->GetNumberOfPaths();
}

// BUG (#1551) added method depth peeling
int vtkMitkRenderProp::HasTranslucentPolygonalGeometry()
{
  typedef std::map<int, mitk::Mapper *> MappersMapType;
  const MappersMapType mappersMap = m_VtkPropRenderer->GetMappersMap();
  for (MappersMapType::const_iterator it = mappersMap.cbegin(); it != mappersMap.cend(); ++it)
  {
    mitk::Mapper *mapper = (*it).second;

    const mitk::VtkMapper::Pointer vtkMapper = dynamic_cast<mitk::VtkMapper *>(mapper);
    if (vtkMapper)
    {
      // Due to VTK 5.2 bug, we need to initialize the Paths object in vtkPropAssembly
      // manually (see issue #8186 committed to VTK's Mantis issue tracker)
      // --> VTK bug resolved on 2008-12-01
      vtkPropAssembly *propAssembly = dynamic_cast<vtkPropAssembly *>(vtkMapper->GetVtkProp(m_VtkPropRenderer));
      if (propAssembly)
      {
        propAssembly->InitPathTraversal();
      }

      if (vtkMapper->GetVtkProp(m_VtkPropRenderer)->HasTranslucentPolygonalGeometry() == 1)
        return 1;
    }
  }
  return 0;
}

int vtkMitkRenderProp::RenderTranslucentPolygonalGeometry(vtkViewport *)
{
  return m_VtkPropRenderer->Render(mitk::VtkPropRenderer::Translucent);
}
int vtkMitkRenderProp::RenderVolumetricGeometry(vtkViewport *)
{
  return m_VtkPropRenderer->Render(mitk::VtkPropRenderer::Volumetric);
}