vtkLabeledDataMapper.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkLabeledDataMapper.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 __vtkLabeledDataMapper_h
#define __vtkLabeledDataMapper_h

#include "vtkMapper2D.h"

class vtkDataSet;
class vtkTextMapper;
class vtkTextProperty;

#define VTK_LABEL_IDS        0
#define VTK_LABEL_SCALARS    1
#define VTK_LABEL_VECTORS    2
#define VTK_LABEL_NORMALS    3
#define VTK_LABEL_TCOORDS    4
#define VTK_LABEL_TENSORS    5
#define VTK_LABEL_FIELD_DATA 6

class VTK_RENDERING_EXPORT vtkLabeledDataMapper : public vtkMapper2D
{
public:
  static vtkLabeledDataMapper *New();

  vtkTypeRevisionMacro(vtkLabeledDataMapper,vtkMapper2D);
  void PrintSelf(ostream& os, vtkIndent indent);
  

  vtkSetStringMacro(LabelFormat);
  vtkGetStringMacro(LabelFormat);


  vtkSetMacro(LabeledComponent,int);
  vtkGetMacro(LabeledComponent,int);


  vtkSetClampMacro(FieldDataArray,int,0,VTK_LARGE_INTEGER);
  vtkGetMacro(FieldDataArray,int);


  virtual void SetInput(vtkDataSet*);
  vtkGetObjectMacro(Input, vtkDataSet);


  vtkSetMacro(LabelMode, int);
  vtkGetMacro(LabelMode, int);
  void SetLabelModeToLabelIds() {this->SetLabelMode(VTK_LABEL_IDS);};
  void SetLabelModeToLabelScalars() {this->SetLabelMode(VTK_LABEL_SCALARS);};
  void SetLabelModeToLabelVectors() {this->SetLabelMode(VTK_LABEL_VECTORS);};
  void SetLabelModeToLabelNormals() {this->SetLabelMode(VTK_LABEL_NORMALS);};
  void SetLabelModeToLabelTCoords() {this->SetLabelMode(VTK_LABEL_TCOORDS);};
  void SetLabelModeToLabelTensors() {this->SetLabelMode(VTK_LABEL_TENSORS);};
  void SetLabelModeToLabelFieldData()
            {this->SetLabelMode(VTK_LABEL_FIELD_DATA);};


  virtual void SetLabelTextProperty(vtkTextProperty *p);
  vtkGetObjectMacro(LabelTextProperty,vtkTextProperty);


  void RenderOpaqueGeometry(vtkViewport* viewport, vtkActor2D* actor);
  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor);

  virtual void ReleaseGraphicsResources(vtkWindow *);

protected:
  vtkLabeledDataMapper();
  ~vtkLabeledDataMapper();

  vtkDataSet *Input;
  vtkTextProperty *LabelTextProperty;

  char  *LabelFormat;
  int   LabelMode;
  int   LabeledComponent;
  int   FieldDataArray;

  vtkTimeStamp BuildTime;

private:
  int NumberOfLabels;
  int NumberOfLabelsAllocated;
  vtkTextMapper **TextMappers;

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

#endif

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