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123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkCompositePolyDataMapper.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm 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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/**
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* @class vtkCompositePolyDataMapper
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* @brief a class that renders hierarchical polygonal data
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*
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* This class uses a set of vtkPolyDataMappers to render input data
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* which may be hierarchical. The input to this mapper may be
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* either vtkPolyData or a vtkCompositeDataSet built from
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* polydata. If something other than vtkPolyData is encountered,
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* an error message will be produced.
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* @sa
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* vtkPolyDataMapper
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*/
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#ifndef vtkCompositePolyDataMapper_h
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#define vtkCompositePolyDataMapper_h
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#include "vtkRenderingCoreModule.h" // For export macro
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#include "vtkMapper.h"
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class vtkPolyDataMapper;
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class vtkInformation;
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class vtkRenderer;
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class vtkActor;
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class vtkCompositePolyDataMapperInternals;
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class VTKRENDERINGCORE_EXPORT vtkCompositePolyDataMapper : public vtkMapper
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{
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public:
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static vtkCompositePolyDataMapper *New();
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vtkTypeMacro(vtkCompositePolyDataMapper, vtkMapper);
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void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
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/**
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* Standard method for rendering a mapper. This method will be
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* called by the actor.
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*/
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void Render(vtkRenderer *ren, vtkActor *a);
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//@{
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/**
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* Standard vtkProp method to get 3D bounds of a 3D prop
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*/
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double *GetBounds();
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void GetBounds(double bounds[6]) { this->Superclass::GetBounds( bounds ); };
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//@}
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/**
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* Release the underlying resources associated with this mapper
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*/
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void ReleaseGraphicsResources(vtkWindow *);
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protected:
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vtkCompositePolyDataMapper();
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~vtkCompositePolyDataMapper();
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/**
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* We need to override this method because the standard streaming
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* demand driven pipeline is not what we want - we are expecting
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* hierarchical data as input
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*/
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vtkExecutive* CreateDefaultExecutive();
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/**
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* Need to define the type of data handled by this mapper.
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*/
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virtual int FillInputPortInformation(int port, vtkInformation* info);
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/**
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* This is the build method for creating the internal polydata
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* mapper that do the actual work
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*/
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void BuildPolyDataMapper();
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/**
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* BuildPolyDataMapper uses this for each mapper. It is broken out so we can change types.
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*/
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virtual vtkPolyDataMapper *MakeAMapper();
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/**
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* Need to loop over the hierarchy to compute bounds
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*/
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void ComputeBounds();
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/**
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* Time stamp for computation of bounds.
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*/
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vtkTimeStamp BoundsMTime;
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/**
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* These are the internal polydata mapper that do the
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* rendering. We save then so that they can keep their
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* display lists.
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*/
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vtkCompositePolyDataMapperInternals *Internal;
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/**
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* Time stamp for when we need to update the
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* internal mappers
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*/
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vtkTimeStamp InternalMappersBuildTime;
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private:
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vtkCompositePolyDataMapper(const vtkCompositePolyDataMapper&) VTK_DELETE_FUNCTION;
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void operator=(const vtkCompositePolyDataMapper&) VTK_DELETE_FUNCTION;
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};
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#endif
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