vtkLabeledContourMapper.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkLabeledContourMapper.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 vtkLabeledContourMapper_h
#define vtkLabeledContourMapper_h
 
#include "vtkRenderingCoreModule.h" // For export macro
 
#include "vtkMapper.h"
#include "vtkNew.h" // For vtkNew
#include "vtkSmartPointer.h" // For vtkSmartPointer
 
class vtkDoubleArray;
class vtkTextActor3D;
class vtkTextProperty;
class vtkTextPropertyCollection;
class vtkPolyData;
class vtkPolyDataMapper;
 
class VTKRENDERINGCORE_EXPORT vtkLabeledContourMapper : public vtkMapper
{
public:
  static vtkLabeledContourMapper *New();
  vtkTypeMacro(vtkLabeledContourMapper, vtkMapper)
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual void Render(vtkRenderer *ren, vtkActor *act);
 
 
  void SetInputData(vtkPolyData *in);
  vtkPolyData *GetInput();
 
 
  virtual double *GetBounds();
  virtual void GetBounds(double bounds[6]);
 
  virtual void SetTextProperty(vtkTextProperty *tprop);
 
 
  virtual void SetTextProperties(vtkTextPropertyCollection *coll);
  virtual vtkTextPropertyCollection *GetTextProperties();
 
 
  virtual vtkDoubleArray* GetTextPropertyMapping();
  virtual void SetTextPropertyMapping(vtkDoubleArray *mapping);
 
 
  vtkSetMacro(LabelVisibility, bool)
  vtkGetMacro(LabelVisibility, bool)
  vtkBooleanMacro(LabelVisibility, bool)
 
 
  vtkGetNewMacro(PolyDataMapper, vtkPolyDataMapper)
 
  virtual void ReleaseGraphicsResources(vtkWindow *);
 
protected:
  vtkLabeledContourMapper();
  ~vtkLabeledContourMapper();
 
  virtual void ComputeBounds();
 
  virtual int FillInputPortInformation(int, vtkInformation*);
 
  void Reset();
 
  bool CheckInputs(vtkRenderer *ren);
  bool CheckRebuild(vtkRenderer *ren, vtkActor *act);
  bool PrepareRender(vtkRenderer *ren, vtkActor *act);
  bool PlaceLabels();
  bool ResolveLabels();
  virtual bool CreateLabels(vtkActor *actor);
  bool BuildStencilQuads();
  virtual bool ApplyStencil(vtkRenderer *ren, vtkActor *act);
  bool RenderPolyData(vtkRenderer *ren, vtkActor *act);
  virtual bool RemoveStencil();
  bool RenderLabels(vtkRenderer *ren, vtkActor *act);
 
  bool AllocateTextActors(vtkIdType num);
  bool FreeTextActors();
 
  bool LabelVisibility;
  vtkIdType NumberOfTextActors;
  vtkIdType NumberOfUsedTextActors;
  vtkTextActor3D **TextActors;
 
  vtkNew<vtkPolyDataMapper> PolyDataMapper;
  vtkSmartPointer<vtkTextPropertyCollection> TextProperties;
  vtkSmartPointer<vtkDoubleArray> TextPropertyMapping;
 
  float *StencilQuads;
  vtkIdType StencilQuadsSize;
  unsigned int *StencilQuadIndices;
  vtkIdType StencilQuadIndicesSize;
  void FreeStencilQuads();
 
  vtkTimeStamp BuildTime;
 
private:
  vtkLabeledContourMapper(const vtkLabeledContourMapper&);  // Not implemented.
  void operator=(const vtkLabeledContourMapper&);  // Not implemented.
 
  struct Private;
  Private *Internal;
};
 
#endif