Method PokeMatrices

Rendering/Image/vtkImageStack.cxx:263–295

------------------------------------------------------------------------------ Assembly-like behavior

//------------------------------------------------------------------------------
// Assembly-like behavior
void vtkImageStack::PokeMatrices(vtkMatrix4x4* matrix)
{
  if (this->ImageMatrices == nullptr)
  {
    this->ImageMatrices = vtkCollection::New();
  }

  if (matrix)
  {
    vtkCollectionSimpleIterator pit;
    this->Images->InitTraversal(pit);
    vtkImageSlice* image = nullptr;
    while ((image = this->Images->GetNextImage(pit)) != nullptr)
    {
      vtkMatrix4x4* propMatrix = vtkMatrix4x4::New();
      propMatrix->Multiply4x4(image->GetMatrix(), matrix, propMatrix);
      image->PokeMatrix(propMatrix);
      this->ImageMatrices->AddItem(propMatrix);
      propMatrix->Delete();
    }
  }
  else
  {
    vtkCollectionSimpleIterator pit;
    this->Images->InitTraversal(pit);
    vtkImageSlice* image = nullptr;
    while ((image = this->Images->GetNextImage(pit)) != nullptr)
    {
      image->PokeMatrix(nullptr);
    }
    this->ImageMatrices->RemoveAllItems();
  }
}

//------------------------------------------------------------------------------
int vtkImageStack::RenderOpaqueGeometry(vtkViewport* viewport)