vtkBYUReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkBYUReader.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 vtkBYUReader_h
#define vtkBYUReader_h

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

class VTKIOGEOMETRY_EXPORT vtkBYUReader : public vtkPolyDataAlgorithm
{
public:
  static vtkBYUReader *New();

  vtkTypeMacro(vtkBYUReader,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetStringMacro(GeometryFileName);
  vtkGetStringMacro(GeometryFileName);

  virtual void SetFileName(const char* f) { this->SetGeometryFileName(f); }
  virtual char* GetFileName() { return this->GetGeometryFileName(); }


  vtkSetStringMacro(DisplacementFileName);
  vtkGetStringMacro(DisplacementFileName);


  vtkSetStringMacro(ScalarFileName);
  vtkGetStringMacro(ScalarFileName);


  vtkSetStringMacro(TextureFileName);
  vtkGetStringMacro(TextureFileName);


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


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


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


  vtkSetClampMacro(PartNumber,int,1,VTK_INT_MAX);
  vtkGetMacro(PartNumber,int);

  static int CanReadFile(const char *filename);

protected:
  vtkBYUReader();
  ~vtkBYUReader() override;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  // This source does not know how to generate pieces yet.
  int ComputeDivisionExtents(vtkDataObject *output,
                             int idx, int numDivisions);

  char *GeometryFileName;
  char *DisplacementFileName;
  char *ScalarFileName;
  char *TextureFileName;
  vtkTypeBool ReadDisplacement;
  vtkTypeBool ReadScalar;
  vtkTypeBool ReadTexture;
  int PartNumber;

  void ReadGeometryFile(FILE *fp, int &numPts, vtkInformation *outInfo);
  void ReadDisplacementFile(int numPts, vtkInformation *outInfo);
  void ReadScalarFile(int numPts, vtkInformation *outInfo);
  void ReadTextureFile(int numPts, vtkInformation *outInfo);
private:
  vtkBYUReader(const vtkBYUReader&) = delete;
  void operator=(const vtkBYUReader&) = delete;
};

#endif