/usr/include/paraview/vtkPiecewiseControlPointsItem.h is in paraview-dev 5.0.1+dfsg1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88  | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkPiecewiseControlPointsItem.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.
=========================================================================*/
// .NAME vtkPiecewiseControlPointsItem - Control points for
// vtkPiecewiseFunction.
// .SECTION Description
// vtkPiecewiseControlPointsItem draws the control points of a vtkPiecewiseFunction.
// .SECTION See Also
// vtkControlPointsItem
// vtkPiecewiseFunctionItem
// vtkCompositeTransferFunctionItem
#ifndef vtkPiecewiseControlPointsItem_h
#define vtkPiecewiseControlPointsItem_h
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkControlPointsItem.h"
class vtkPiecewiseFunction;
class VTKCHARTSCORE_EXPORT vtkPiecewiseControlPointsItem: public vtkControlPointsItem
{
public:
  vtkTypeMacro(vtkPiecewiseControlPointsItem, vtkControlPointsItem);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
  // Description:
  // Creates a piecewise control points object
  static vtkPiecewiseControlPointsItem* New();
  // Description:
  // Set the piecewise function to draw its points
  virtual void SetPiecewiseFunction(vtkPiecewiseFunction* function);
  // Description
  // Get the piecewise function
  vtkGetObjectMacro(PiecewiseFunction, vtkPiecewiseFunction);
  // Description:
  // Add a point to the function. Returns the index of the point (0 based),
  // or -1 on error.
  // Subclasses should reimplement this function to do the actual work.
  virtual vtkIdType AddPoint(double* newPos);
  // Description:
  // Remove a point of the function. Returns the index of the point (0 based),
  // or -1 on error.
  // Subclasses should reimplement this function to do the actual work.
  virtual vtkIdType RemovePoint(double* pos);
  // Description:
  // Controls whether or not control points are drawn (true) or clicked and
  // moved (false).
  // False by default.
  vtkSetMacro(StrokeMode, bool);
protected:
  vtkPiecewiseControlPointsItem();
  virtual ~vtkPiecewiseControlPointsItem();
  virtual void emitEvent(unsigned long event, void* params = 0);
  virtual unsigned long int GetControlPointsMTime();
  virtual vtkIdType GetNumberOfPoints()const;
  virtual void GetControlPoint(vtkIdType index, double *point)const;
  virtual void SetControlPoint(vtkIdType index, double *point);
  virtual void EditPoint(float tX, float tY);
  vtkPiecewiseFunction* PiecewiseFunction;
private:
  vtkPiecewiseControlPointsItem(const vtkPiecewiseControlPointsItem &); // Not implemented.
  void operator=(const vtkPiecewiseControlPointsItem &);   // Not implemented.
};
#endif
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