dox/Rendering/vtkIdentColoredPainter.h

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

  Program:   Visualization Toolkit
  Module:    vtkIdentColoredPainter.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 __vtkIdentColoredPainter_h
#define __vtkIdentColoredPainter_h

#include "vtkPolyDataPainter.h"

class vtkCellArray;
class vtkIdTypeArray;
class vtkProp;

class VTK_RENDERING_EXPORT vtkIdentColoredPainter : public vtkPolyDataPainter
{
public:
  vtkTypeMacro(vtkIdentColoredPainter, vtkPolyDataPainter);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
  static vtkIdentColoredPainter *New();

  void ResetCurrentId();

  void ColorByConstant(unsigned int constant);
  
  void ColorByIncreasingIdent(unsigned int plane);

  void ColorByActorId(vtkProp *ActorId);

  void ColorByVertex();

  void MakeActorLookupTable(vtkProp **Props, vtkIdTypeArray *IdsForProps);

  vtkProp* GetActorFromId(vtkIdType id);
  
protected:
  vtkIdentColoredPainter();
  ~vtkIdentColoredPainter();
  
  virtual void RenderInternal(vtkRenderer* renderer, vtkActor* actor,
                              unsigned long typeflags,bool forceCompileOnly);

  void DrawCells(int mode, vtkCellArray *connectivity,
    vtkIdType startCellId, vtkRenderer *renderer);

  vtkIdType TotalCells;

//BTX
  enum {COLORBYIDENT=0, COLORBYCONST, COLORBYVERTEX};
//ETX
  int ColorMode;

  //three 24 bit-fields of the 72 bit increment counter.
  unsigned int Plane;
  unsigned int CurrentIdPlane0;
  unsigned int CurrentIdPlane1;
  unsigned int CurrentIdPlane2;

  void IncrementCurrentId();
  void GetCurrentColor(unsigned char *RGB);

  vtkIdTypeArray *ActorIds;
  vtkProp **PropAddrs;

private:
  vtkIdentColoredPainter(const vtkIdentColoredPainter&); // Not implemented.
  void operator=(const vtkIdentColoredPainter&); // Not implemented.
};

#endif //__vtkIdentColoredPainter_h