Graphics/vtkProgrammableGlyphFilter.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkProgrammableGlyphFilter.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 "vtkDataSetToPolyDataFilter.h"

class vtkPointData;

class VTK_GRAPHICS_EXPORT vtkProgrammableGlyphFilter : public vtkDataSetToPolyDataFilter
{
public:
  vtkTypeRevisionMacro(vtkProgrammableGlyphFilter,vtkDataSetToPolyDataFilter);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkProgrammableGlyphFilter *New();


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

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

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


  vtkGetMacro(PointId, vtkIdType);


  vtkGetVector3Macro(Point,float);


  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();

  void Execute();

  float Point[3]; // Coordinates of point
  vtkIdType PointId; // Current point id during processing
  vtkPointData *PointData;
  int ColorMode;
  
  void (*GlyphMethod)(void *); // Support GlyphMethod
  void (*GlyphMethodArgDelete)(void *);
  void *GlyphMethodArg;
  
private:
  vtkProgrammableGlyphFilter(const vtkProgrammableGlyphFilter&);  // Not implemented.
  void operator=(const vtkProgrammableGlyphFilter&);  // Not implemented.
};

#endif

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