Rendering/vtkMapper.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkMapper.h,v $

  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 __vtkMapper_h
#define __vtkMapper_h

#include "vtkAbstractMapper3D.h"
#include "vtkScalarsToColors.h" // For VTK_COLOR_MODE_DEFAULT and _MAP_SCALARS

#define VTK_RESOLVE_OFF 0
#define VTK_RESOLVE_POLYGON_OFFSET 1
#define VTK_RESOLVE_SHIFT_ZBUFFER 2

#define VTK_GET_ARRAY_BY_ID 0
#define VTK_GET_ARRAY_BY_NAME 1

#define VTK_MATERIALMODE_DEFAULT  0
#define VTK_MATERIALMODE_AMBIENT  1
#define VTK_MATERIALMODE_DIFFUSE  2
#define VTK_MATERIALMODE_AMBIENT_AND_DIFFUSE  3

class vtkWindow;
class vtkRenderer;
class vtkActor;
class vtkDataSet;

class VTK_RENDERING_EXPORT vtkMapper : public vtkAbstractMapper3D
{
public:
  vtkTypeRevisionMacro(vtkMapper,vtkAbstractMapper3D);
  void PrintSelf(ostream& os, vtkIndent indent);

  void ShallowCopy(vtkAbstractMapper *m);

  unsigned long GetMTime();

  virtual void Render(vtkRenderer *ren, vtkActor *a) = 0;

  virtual void ReleaseGraphicsResources(vtkWindow *) {};


  void SetLookupTable(vtkScalarsToColors *lut);
  vtkScalarsToColors *GetLookupTable();

  virtual void CreateDefaultLookupTable();


  vtkSetMacro(ScalarVisibility,int);
  vtkGetMacro(ScalarVisibility,int);
  vtkBooleanMacro(ScalarVisibility,int);


  vtkSetMacro(ColorMode,int);
  vtkGetMacro(ColorMode,int);
  void SetColorModeToDefault() 
    {this->SetColorMode(VTK_COLOR_MODE_DEFAULT);};
  void SetColorModeToMapScalars() 
    {this->SetColorMode(VTK_COLOR_MODE_MAP_SCALARS);};

  const char *GetColorModeAsString();


  vtkSetMacro(UseLookupTableScalarRange,int);
  vtkGetMacro(UseLookupTableScalarRange,int);
  vtkBooleanMacro(UseLookupTableScalarRange,int);


  vtkSetVector2Macro(ScalarRange,double);
  vtkGetVectorMacro(ScalarRange,double,2);


  vtkSetMacro(ImmediateModeRendering,int);
  vtkGetMacro(ImmediateModeRendering,int);
  vtkBooleanMacro(ImmediateModeRendering,int);


  static void SetGlobalImmediateModeRendering(int val);
  static void GlobalImmediateModeRenderingOn() 
    {vtkMapper::SetGlobalImmediateModeRendering(1);};
  static void GlobalImmediateModeRenderingOff() 
    {vtkMapper::SetGlobalImmediateModeRendering(0);};
  static int  GetGlobalImmediateModeRendering();


  vtkSetMacro(ScalarMode,int);
  vtkGetMacro(ScalarMode,int);
  void SetScalarModeToDefault() {
    this->SetScalarMode(VTK_SCALAR_MODE_DEFAULT);};
  void SetScalarModeToUsePointData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_POINT_DATA);};
  void SetScalarModeToUseCellData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_CELL_DATA);};
  void SetScalarModeToUsePointFieldData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_POINT_FIELD_DATA);};
  void SetScalarModeToUseCellFieldData() {
    this->SetScalarMode(VTK_SCALAR_MODE_USE_CELL_FIELD_DATA);};
  

  void SelectColorArray(int arrayNum); 
  void SelectColorArray(const char* arrayName); 


  void ColorByArrayComponent(int arrayNum, int component);
  void ColorByArrayComponent(const char* arrayName, int component);
  

  char* GetArrayName() { return this->ArrayName; }
  int GetArrayId() { return this->ArrayId; }
  int GetArrayAccessMode() { return this->ArrayAccessMode; }
  int GetArrayComponent() { return this->ArrayComponent; }

  const char *GetScalarModeAsString();


  static void SetResolveCoincidentTopology(int val);
  static int  GetResolveCoincidentTopology();
  static void SetResolveCoincidentTopologyToDefault();
  static void SetResolveCoincidentTopologyToOff() 
    {SetResolveCoincidentTopology(VTK_RESOLVE_OFF);}
  static void SetResolveCoincidentTopologyToPolygonOffset() 
    {SetResolveCoincidentTopology(VTK_RESOLVE_POLYGON_OFFSET);}
  static void SetResolveCoincidentTopologyToShiftZBuffer() 
    {SetResolveCoincidentTopology(VTK_RESOLVE_SHIFT_ZBUFFER);}


  static void SetResolveCoincidentTopologyPolygonOffsetParameters(
    double factor, double units);
  static void GetResolveCoincidentTopologyPolygonOffsetParameters(
    double& factor, double& units);


  static void SetResolveCoincidentTopologyZShift(double val);
  static double GetResolveCoincidentTopologyZShift();


  virtual double *GetBounds();
  virtual void GetBounds(double bounds[6]) 
    {this->vtkAbstractMapper3D::GetBounds(bounds);};


  void SetRenderTime(double time) {this->RenderTime = time;}
  vtkGetMacro(RenderTime, double);

  //BTX

  vtkDataSet *GetInput();
  //ETX


  vtkDataSet *GetInputAsDataSet() 
    {return this->GetInput();}

  vtkUnsignedCharArray *MapScalars(double alpha);
  
  virtual void Update();


  vtkSetMacro(ScalarMaterialMode,int);
  vtkGetMacro(ScalarMaterialMode,int);
  void SetScalarMaterialModeToDefault() 
    {this->SetScalarMaterialMode(VTK_MATERIALMODE_DEFAULT);};
  void SetScalarMaterialModeToAmbient() 
    {this->SetScalarMaterialMode(VTK_MATERIALMODE_AMBIENT);};
  void SetScalarMaterialModeToDiffuse() 
    {this->SetScalarMaterialMode(VTK_MATERIALMODE_DIFFUSE);};
  void SetScalarMaterialModeToAmbientAndDiffuse() 
    {this->SetScalarMaterialMode(VTK_MATERIALMODE_AMBIENT_AND_DIFFUSE);};

  const char *GetScalarMaterialModeAsString();

protected:
  vtkMapper();
  ~vtkMapper();

  vtkUnsignedCharArray *Colors;

  vtkScalarsToColors *LookupTable;
  int ScalarVisibility;
  vtkTimeStamp BuildTime;
  double ScalarRange[2];
  int UseLookupTableScalarRange;
  int ImmediateModeRendering;
  int ColorMode;
  int ScalarMode;
  int ScalarMaterialMode;

  double RenderTime;

  // for coloring by a component of a field data array
  int ArrayId;
  char ArrayName[256];
  int ArrayComponent;
  int ArrayAccessMode;

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

#endif

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