vtkEllipticalButtonSource.h

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/*=========================================================================
 
  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 "vtkFiltersSourcesModule.h" // For export macro
#include "vtkButtonSource.h"
 
class vtkCellArray;
class vtkFloatArray;
class vtkPoints;
 
class VTKFILTERSSOURCES_EXPORT vtkEllipticalButtonSource : public vtkButtonSource
{
public:
  void PrintSelf(ostream& os, vtkIndent indent);
  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() {}
 
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
  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&);  // Not implemented.
  void operator=(const vtkEllipticalButtonSource&);  // Not implemented.
};
 
#endif