vtkSTLReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkSTLReader.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 vtkSTLReader_h
#define vtkSTLReader_h

#include "vtkIOGeometryModule.h" // For export macro
#include "vtkAbstractPolyDataReader.h"

class vtkCellArray;
class vtkFloatArray;
class vtkIncrementalPointLocator;
class vtkPoints;

class VTKIOGEOMETRY_EXPORT vtkSTLReader : public vtkAbstractPolyDataReader
{
public:
  vtkTypeMacro(vtkSTLReader,vtkAbstractPolyDataReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkSTLReader *New();

  vtkMTimeType GetMTime() override;


  vtkSetMacro(Merging,vtkTypeBool);
  vtkGetMacro(Merging,vtkTypeBool);
  vtkBooleanMacro(Merging,vtkTypeBool);


  vtkSetMacro(ScalarTags,vtkTypeBool);
  vtkGetMacro(ScalarTags,vtkTypeBool);
  vtkBooleanMacro(ScalarTags,vtkTypeBool);


  void SetLocator(vtkIncrementalPointLocator *locator);
  vtkGetObjectMacro(Locator,vtkIncrementalPointLocator);

  vtkGetStringMacro(Header);

  vtkGetObjectMacro(BinaryHeader, vtkUnsignedCharArray);

protected:
  vtkSTLReader();
  ~vtkSTLReader() override;

  vtkIncrementalPointLocator* NewDefaultLocator();

  vtkSetStringMacro(Header);
  virtual void SetBinaryHeader(vtkUnsignedCharArray* binaryHeader);

  vtkTypeBool Merging;
  vtkTypeBool ScalarTags;
  vtkIncrementalPointLocator *Locator;
  char* Header;
  vtkUnsignedCharArray* BinaryHeader;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  bool ReadBinarySTL(FILE *fp, vtkPoints*, vtkCellArray*);
  bool ReadASCIISTL(FILE *fp, vtkPoints*, vtkCellArray*,
                    vtkFloatArray* scalars=nullptr);
  int GetSTLFileType(const char *filename);
private:
  vtkSTLReader(const vtkSTLReader&) = delete;
  void operator=(const vtkSTLReader&) = delete;
};

#endif