vtkProgrammableGlyphFilter.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkProgrammableGlyphFilter.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.

=========================================================================*/
#ifndef vtkProgrammableGlyphFilter_h
#define vtkProgrammableGlyphFilter_h

#define VTK_COLOR_BY_INPUT  0
#define VTK_COLOR_BY_SOURCE 1

#include "vtkFiltersProgrammableModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class vtkPointData;

class VTKFILTERSPROGRAMMABLE_EXPORT vtkProgrammableGlyphFilter : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkProgrammableGlyphFilter,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkProgrammableGlyphFilter *New();

  void SetSourceConnection(vtkAlgorithmOutput* output);


  void SetSourceData(vtkPolyData *source);
  vtkPolyData *GetSource();

  typedef void (*ProgrammableMethodCallbackType)(void *arg);

  void SetGlyphMethod(void (*f)(void *), void *arg);

  void SetGlyphMethodArgDelete(void (*f)(void *));


  vtkGetMacro(PointId, vtkIdType);


  vtkGetVector3Macro(Point,double);


  vtkGetObjectMacro(PointData,vtkPointData);


  vtkSetMacro(ColorMode,int);
  vtkGetMacro(ColorMode,int);
  void SetColorModeToColorByInput()
    {this->SetColorMode(VTK_COLOR_BY_INPUT);};
  void SetColorModeToColorBySource()
    {this->SetColorMode(VTK_COLOR_BY_SOURCE);};
  const char *GetColorModeAsString();

protected:
  vtkProgrammableGlyphFilter();
  ~vtkProgrammableGlyphFilter() override;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  int FillInputPortInformation(int, vtkInformation *) override;

  double Point[3]; // Coordinates of point
  vtkIdType PointId; // Current point id during processing
  vtkPointData *PointData;
  int ColorMode;

  ProgrammableMethodCallbackType GlyphMethod; // Support GlyphMethod
  ProgrammableMethodCallbackType GlyphMethodArgDelete;
  void *GlyphMethodArg;

private:
  vtkProgrammableGlyphFilter(const vtkProgrammableGlyphFilter&) = delete;
  void operator=(const vtkProgrammableGlyphFilter&) = delete;
};

#endif