dox/Rendering/Core/vtkMapper.h

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

  Program:   Visualization Toolkit
  Module:    vtkMapper.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 __vtkMapper_h
#define __vtkMapper_h

#include "vtkRenderingCoreModule.h" // For export macro
#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 vtkFloatArray;
class vtkImageData;

class VTKRENDERINGCORE_EXPORT vtkMapper : public vtkAbstractMapper3D
{
public:
  vtkTypeMacro(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(Static, int);
  vtkGetMacro(Static, int);
  vtkBooleanMacro(Static, 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(InterpolateScalarsBeforeMapping, int);
  vtkGetMacro(InterpolateScalarsBeforeMapping, int);
  vtkBooleanMacro(InterpolateScalarsBeforeMapping, int);


  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();

  //BTX

  vtkGetMacro(ForceCompileOnly, int);
  void SetForceCompileOnly(int value);
  //ETX


  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 SetScalarModeToUseFieldData()
    { this->SetScalarMode(VTK_SCALAR_MODE_USE_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 SetResolveCoincidentTopologyPolygonOffsetFaces(int faces);
  static int GetResolveCoincidentTopologyPolygonOffsetFaces();


  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);


  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();


  virtual bool GetIsOpaque()
    { return true; }


  virtual bool GetSupportsSelection()
    { return false; }
protected:
  vtkMapper();
  ~vtkMapper();

  vtkUnsignedCharArray *Colors;

  // Use texture coordinates for coloring.
  int InterpolateScalarsBeforeMapping;
  // Coordinate for each point.
  vtkFloatArray *ColorCoordinates;
  // 1D ColorMap used for the texture image.
  vtkImageData* ColorTextureMap;
  void MapScalarsToTexture(vtkDataArray* scalars, double alpha);

  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;

  int Static;

  int ForceCompileOnly;

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

#endif