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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPolyDataMapperNode.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkPolyDataMapperNode
* @brief vtkViewNode specialized for vtkPolyDataMappers
*
* State storage and graph traversal for vtkPolyDataMapper/PolyDataMapper and Property
* Made a choice to merge PolyDataMapper, PolyDataMapper and property together. If there
* is a compelling reason to separate them we can.
*/
#ifndef vtkPolyDataMapperNode_h
#define vtkPolyDataMapperNode_h
#include "vtkMapperNode.h"
#include "vtkRenderingSceneGraphModule.h" // For export macro
#include <vector> //for results
VTK_ABI_NAMESPACE_BEGIN
class vtkActor;
class vtkPolyDataMapper;
class vtkPolyData;
class VTKRENDERINGSCENEGRAPH_EXPORT vtkPolyDataMapperNode : public vtkMapperNode
{
public:
static vtkPolyDataMapperNode* New();
vtkTypeMacro(vtkPolyDataMapperNode, vtkMapperNode);
void PrintSelf(ostream& os, vtkIndent indent) override;
struct vtkPDConnectivity_t
{
std::vector<unsigned int> vertex_index;
std::vector<unsigned int> vertex_reverse;
std::vector<unsigned int> line_index;
std::vector<unsigned int> line_reverse;
std::vector<unsigned int> triangle_index;
std::vector<unsigned int> triangle_reverse;
std::vector<unsigned int> strip_index;
std::vector<unsigned int> strip_reverse;
};
using vtkPDConnectivity = struct vtkPDConnectivity_t;
protected:
vtkPolyDataMapperNode();
~vtkPolyDataMapperNode() override;
// Utilities for children
/**
* Makes a cleaned up version of the polydata's geometry in which NaN are removed
* (substituted with neighbor) and the PolyDataMapper's transformation matrix is applied.
*/
static void TransformPoints(vtkActor* act, vtkPolyData* poly, std::vector<double>& vertices);
/**
* Homogenizes the entire polydata using internal CreateXIndexBuffer functions.
* They flatten the input polydata's Points, Lines, Polys, and Strips contents into
* the output arrays. The output "index" arrays contain indices into the Points. The
* output "reverse" array contains indices into the original CellArray.
*/
static void MakeConnectivity(vtkPolyData* poly, int representation, vtkPDConnectivity& conn);
private:
vtkPolyDataMapperNode(const vtkPolyDataMapperNode&) = delete;
void operator=(const vtkPolyDataMapperNode&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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