mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 18:08:59 +00:00
e30607f134
Generally we try not to expose the implementation details of how things are stored in objects. Also changed some arguments that should have been declared const to actually be const.
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_rendering_Scene_h
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#define vtk_m_rendering_Scene_h
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#include <vtkm/rendering/Actor.h>
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#include <vtkm/rendering/Camera.h>
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#include <vector>
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namespace vtkm {
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namespace rendering {
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class Scene
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{
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public:
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VTKM_CONT_EXPORT
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void AddActor(const vtkm::rendering::Actor &actor)
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{
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this->Actors.push_back(actor);
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}
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VTKM_CONT_EXPORT
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const vtkm::rendering::Actor &GetActor(vtkm::IdComponent index) const
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{
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return this->Actors[static_cast<std::size_t>(index)];
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}
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VTKM_CONT_EXPORT
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vtkm::IdComponent GetNumberOfActors() const
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{
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return static_cast<vtkm::IdComponent>(this->Actors.size());
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}
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Scene() {}
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template<typename MapperType, typename CanvasType>
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VTKM_CONT_EXPORT
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void Render(MapperType &mapper,
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CanvasType &canvas,
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vtkm::rendering::Camera &camera) const
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{
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vtkm::Bounds bounds;
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mapper.StartScene();
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for (vtkm::IdComponent actorIndex = 0;
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actorIndex < this->GetNumberOfActors();
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actorIndex++)
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{
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const vtkm::rendering::Actor &actor = this->GetActor(actorIndex);
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actor.Render(mapper, canvas, camera);
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// accumulate all Actors' spatial bounds into the scene spatial bounds
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bounds.Include(actor.SpatialBounds);
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}
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mapper.EndScene();
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const_cast<Scene*>(this)->SpatialBounds = bounds;
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}
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const vtkm::Bounds &GetSpatialBounds() const
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{
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return this->SpatialBounds;
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}
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private:
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std::vector<vtkm::rendering::Actor> Actors;
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vtkm::Bounds SpatialBounds;
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};
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}} //namespace vtkm::rendering
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#endif //vtk_m_rendering_Scene_h
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