mirror of
https://gitlab.kitware.com/vtk/vtk-m
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62 lines
1.9 KiB
C++
62 lines
1.9 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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//
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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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#ifndef vtk_m_rendering_MapperQuad_h
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#define vtk_m_rendering_MapperQuad_h
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#include <vtkm/cont/ColorTable.h>
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#include <vtkm/rendering/Camera.h>
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#include <vtkm/rendering/Mapper.h>
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#include <memory>
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namespace vtkm
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{
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namespace rendering
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{
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/**
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* \brief A mapper that renderers quad faces from a cell set via ray tracing.
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*
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* As opposed to breaking quads into two trianges, scalars are
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* interpolated using all 4 points of the quad resulting in more
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* accurate interpolation.
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*/
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class VTKM_RENDERING_EXPORT MapperQuad : public Mapper
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{
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public:
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MapperQuad();
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~MapperQuad();
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void SetCanvas(vtkm::rendering::Canvas* canvas) override;
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virtual vtkm::rendering::Canvas* GetCanvas() const override;
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void SetCompositeBackground(bool on);
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vtkm::rendering::Mapper* NewCopy() const override;
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private:
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struct InternalsType;
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std::shared_ptr<InternalsType> Internals;
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struct RenderFunctor;
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void RenderCellsImpl(const vtkm::cont::UnknownCellSet& cellset,
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const vtkm::cont::CoordinateSystem& coords,
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const vtkm::cont::Field& scalarField,
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const vtkm::cont::ColorTable& colorTable,
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const vtkm::rendering::Camera& camera,
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const vtkm::Range& scalarRange,
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const vtkm::cont::Field& ghostField) override;
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};
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}
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} //namespace vtkm::rendering
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#endif //vtk_m_rendering_MapperQuad_h
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