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# Graphics/vtkButtonSource.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkButtonSource.h,v $
    00005   Language:  C++
    00006
    00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen
    00008   All rights reserved.
    00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
    00010
    00011      This software is distributed WITHOUT ANY WARRANTY; without even
    00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00013      PURPOSE.  See the above copyright notice for more information.
    00014
    00015 =========================================================================*/
    00054 #ifndef __vtkButtonSource_h
    00055 #define __vtkButtonSource_h
    00056
    00057 #include "vtkPolyDataSource.h"
    00058
    00059 class vtkCellArray;
    00060 class vtkFloatArray;
    00061 class vtkPoints;
    00062
    00063 #define VTK_TEXTURE_STYLE_FIT_IMAGE    0
    00064 #define VTK_TEXTURE_STYLE_PROPORTIONAL 1
    00065
    00066 class VTK_GRAPHICS_EXPORT vtkButtonSource : public vtkPolyDataSource
    00067 {
    00068 public:
    00069   void PrintSelf(ostream& os, vtkIndent indent);
    00070   vtkTypeRevisionMacro(vtkButtonSource,vtkPolyDataSource);
    00071
    00073   static vtkButtonSource *New();
    00074
    00076
    00077   vtkSetClampMacro(Width,float,0.0,VTK_LARGE_FLOAT);
    00078   vtkGetMacro(Width,float);
    00080
    00082
    00083   vtkSetClampMacro(Height,float,0.0,VTK_LARGE_FLOAT);
    00084   vtkGetMacro(Height,float);
    00086
    00088
    00089   vtkSetClampMacro(Depth,float,0.0,VTK_LARGE_FLOAT);
    00090   vtkGetMacro(Depth,float);
    00092
    00094
    00101   vtkSetClampMacro(RadialRatio,float,1.0,VTK_LARGE_FLOAT);
    00102   vtkGetMacro(RadialRatio,float);
    00104
    00106
    00108   vtkSetClampMacro(CircumferentialResolution,int,4,VTK_LARGE_INTEGER);
    00109   vtkGetMacro(CircumferentialResolution,int);
    00111
    00113
    00115   vtkSetClampMacro(TextureResolution,int,1,VTK_LARGE_INTEGER);
    00116   vtkGetMacro(TextureResolution,int);
    00118
    00120
    00122   vtkSetClampMacro(ShoulderResolution,int,1,VTK_LARGE_INTEGER);
    00123   vtkGetMacro(ShoulderResolution,int);
    00125
    00127
    00128   vtkSetVector3Macro(Origin,float);
    00129   vtkGetVectorMacro(Origin,float,3);
    00131
    00133
    00139   vtkSetClampMacro(TextureStyle,int,VTK_TEXTURE_STYLE_FIT_IMAGE,
    00140                                     VTK_TEXTURE_STYLE_PROPORTIONAL);
    00141   vtkGetMacro(TextureStyle,int);
    00142   void SetTextureStyleToFitImage()
    00143     {this->SetTextureStyle(VTK_TEXTURE_STYLE_FIT_IMAGE);}
    00144   void SetTextureStyleToProportional()
    00145     {this->SetTextureStyle(VTK_TEXTURE_STYLE_PROPORTIONAL);}
    00147
    00149
    00151   vtkSetVector2Macro(TextureDimensions,int);
    00152   vtkGetVector2Macro(TextureDimensions,int);
    00154
    00156
    00157   vtkSetVector2Macro(ShoulderTextureCoordinate,float);
    00158   vtkGetVector2Macro(ShoulderTextureCoordinate,float);
    00160
    00162
    00166   vtkSetMacro(TwoSided,int);
    00167   vtkGetMacro(TwoSided,int);
    00168   vtkBooleanMacro(TwoSided,int);
    00170
    00171 protected:
    00172   vtkButtonSource();
    00173   ~vtkButtonSource() {}
    00174
    00175   void Execute();
    00176
    00177   float Width;
    00178   float Height;
    00179   float Depth;
    00180
    00181   int   CircumferentialResolution;
    00182   int   TextureResolution;
    00183   int   ShoulderResolution;
    00184
    00185   float Origin[3];
    00186   float ShoulderTextureCoordinate[2];
    00187
    00188   float RadialRatio;
    00189   int TextureStyle;
    00190   int TextureDimensions[2];
    00191   int TwoSided;
    00192
    00193 private:
    00194   vtkButtonSource(const vtkButtonSource&);  // Not implemented.
    00195   void operator=(const vtkButtonSource&);  // Not implemented.
    00196
    00197   //internal variable related to axes of ellipsoid
    00198   float A;
    00199   float A2;
    00200   float B;
    00201   float B2;
    00202   float C;
    00203   float C2;
    00204
    00205   float ComputeDepth(int inTextureRegion, float x, float y, float n[3]);
    00206   void InterpolateCurve(int inTextureRegion, vtkPoints *newPts, int numPts,
    00207                         vtkFloatArray *normals, vtkFloatArray *tcoords,
    00208                         int res, int c1StartPoint,int c1Incr,
    00209                         int c2StartPoint,int s2Incr, int startPoint,int incr);
    00210   void CreatePolygons(vtkCellArray *newPolys, int num, int res, int startIdx);
    00211   void IntersectEllipseWithLine(float a2, float b2, float dX, float dY,
    00212                                 float& xe, float& ye);
    00213
    00214
    00215 };
    00216
    00217 #endif
    00218
    00219