dox / Graphics
vtkEllipticalButtonSource.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkEllipticalButtonSource.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00049 #ifndef __vtkEllipticalButtonSource_h
00050 #define __vtkEllipticalButtonSource_h
00051 
00052 #include "vtkButtonSource.h"
00053 
00054 class vtkCellArray;
00055 class vtkFloatArray;
00056 class vtkPoints;
00057 
00058 class VTK_GRAPHICS_EXPORT vtkEllipticalButtonSource : public vtkButtonSource 
00059 {
00060 public:
00061   void PrintSelf(ostream& os, vtkIndent indent);
00062   vtkTypeRevisionMacro(vtkEllipticalButtonSource,vtkButtonSource);
00063 
00065   static vtkEllipticalButtonSource *New();
00066 
00068 
00069   vtkSetClampMacro(Width,double,0.0,VTK_DOUBLE_MAX);
00070   vtkGetMacro(Width,double);
00072 
00074 
00075   vtkSetClampMacro(Height,double,0.0,VTK_DOUBLE_MAX);
00076   vtkGetMacro(Height,double);
00078 
00080 
00081   vtkSetClampMacro(Depth,double,0.0,VTK_DOUBLE_MAX);
00082   vtkGetMacro(Depth,double);
00084 
00086 
00088   vtkSetClampMacro(CircumferentialResolution,int,4,VTK_LARGE_INTEGER);
00089   vtkGetMacro(CircumferentialResolution,int);
00091 
00093 
00095   vtkSetClampMacro(TextureResolution,int,1,VTK_LARGE_INTEGER);
00096   vtkGetMacro(TextureResolution,int);
00098 
00100 
00102   vtkSetClampMacro(ShoulderResolution,int,1,VTK_LARGE_INTEGER);
00103   vtkGetMacro(ShoulderResolution,int);
00105 
00107 
00114   vtkSetClampMacro(RadialRatio,double,1.0,VTK_DOUBLE_MAX);
00115   vtkGetMacro(RadialRatio,double);
00117 
00118 protected:
00119   vtkEllipticalButtonSource();
00120   ~vtkEllipticalButtonSource() {}
00121 
00122   void Execute();
00123 
00124   double Width;
00125   double Height;
00126   double Depth;
00127   int   CircumferentialResolution;
00128   int   TextureResolution;
00129   int   ShoulderResolution;
00130   double RadialRatio;
00131 
00132 private:
00133   vtkEllipticalButtonSource(const vtkEllipticalButtonSource&);  // Not implemented.
00134   void operator=(const vtkEllipticalButtonSource&);  // Not implemented.
00135 
00136   //internal variable related to axes of ellipsoid
00137   double A;
00138   double A2;
00139   double B;
00140   double B2;
00141   double C;
00142   double C2;
00143   
00144   double ComputeDepth(int inTextureRegion, double x, double y, double n[3]);
00145   void InterpolateCurve(int inTextureRegion, vtkPoints *newPts, int numPts,
00146                         vtkFloatArray *normals, vtkFloatArray *tcoords, 
00147                         int res, int c1StartPoint,int c1Incr,
00148                         int c2StartPoint,int s2Incr, int startPoint,int incr);
00149   void CreatePolygons(vtkCellArray *newPolys, int num, int res, int startIdx);
00150   void IntersectEllipseWithLine(double a2, double b2, double dX, double dY, 
00151                                 double& xe, double& ye);
00152   
00153     
00154 };
00155 
00156 #endif
00157 
00158