vtkEllipticalButtonSource.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkEllipticalButtonSource.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 vtkEllipticalButtonSource_h
#define vtkEllipticalButtonSource_h
 
#include "vtkButtonSource.h"
#include "vtkFiltersSourcesModule.h" // For export macro
 
class vtkCellArray;
class vtkFloatArray;
class vtkPoints;
 
class VTKFILTERSSOURCES_EXPORT vtkEllipticalButtonSource : public vtkButtonSource
{
public:
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkTypeMacro(vtkEllipticalButtonSource, vtkButtonSource);
 
  static vtkEllipticalButtonSource* New();
 
 
  vtkSetClampMacro(Width, double, 0.0, VTK_DOUBLE_MAX);
  vtkGetMacro(Width, double);
 
 
  vtkSetClampMacro(Height, double, 0.0, VTK_DOUBLE_MAX);
  vtkGetMacro(Height, double);
 
 
  vtkSetClampMacro(Depth, double, 0.0, VTK_DOUBLE_MAX);
  vtkGetMacro(Depth, double);
 
 
  vtkSetClampMacro(CircumferentialResolution, int, 4, VTK_INT_MAX);
  vtkGetMacro(CircumferentialResolution, int);
 
 
  vtkSetClampMacro(TextureResolution, int, 1, VTK_INT_MAX);
  vtkGetMacro(TextureResolution, int);
 
 
  vtkSetClampMacro(ShoulderResolution, int, 1, VTK_INT_MAX);
  vtkGetMacro(ShoulderResolution, int);
 
 
  vtkSetClampMacro(RadialRatio, double, 1.0, VTK_DOUBLE_MAX);
  vtkGetMacro(RadialRatio, double);
 
 
  vtkSetMacro(OutputPointsPrecision, int);
  vtkGetMacro(OutputPointsPrecision, int);
 
protected:
  vtkEllipticalButtonSource();
  ~vtkEllipticalButtonSource() override = default;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  double Width;
  double Height;
  double Depth;
  int CircumferentialResolution;
  int TextureResolution;
  int ShoulderResolution;
  int OutputPointsPrecision;
  double RadialRatio;
 
private:
  // internal variable related to axes of ellipsoid
  double A;
  double A2;
  double B;
  double B2;
  double C;
  double C2;
 
  double ComputeDepth(int inTextureRegion, double x, double y, double n[3]);
  void InterpolateCurve(int inTextureRegion, vtkPoints* newPts, int numPts, vtkFloatArray* normals,
    vtkFloatArray* tcoords, int res, int c1StartPoint, int c1Incr, int c2StartPoint, int s2Incr,
    int startPoint, int incr);
  void CreatePolygons(vtkCellArray* newPolys, int num, int res, int startIdx);
  void IntersectEllipseWithLine(double a2, double b2, double dX, double dY, double& xe, double& ye);
 
  vtkEllipticalButtonSource(const vtkEllipticalButtonSource&) = delete;
  void operator=(const vtkEllipticalButtonSource&) = delete;
};
 
#endif