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00075 #ifndef __vtkInteractorStyleUnicam_h
00076 #define __vtkInteractorStyleUnicam_h
00077
00078 #include "vtkInteractorStyle.h"
00079 #include "vtkRenderer.h"
00080 class vtkWorldPointPicker;
00081
00082
00083 #if defined(_WIN32) || defined(WIN32)
00084 #include <winbase.h>
00085
00086 inline double TheTime()
00087 {return double(GetTickCount())/1000.0;}
00088 #else
00089 #include <sys/time.h>
00090
00091 inline double TheTime()
00092 {
00093 struct timeval ts; struct timezone tz;
00094 gettimeofday(&ts, &tz);
00095 return (double)(ts.tv_sec + ts.tv_usec/1e6);
00096 }
00097 #endif
00098
00099
00100
00101
00102
00103
00104
00105
00106
00107
00108
00109 #define VTK_UNICAM_NONE 0
00110 #define VTK_UNICAM_BUTTON_LEFT 1
00111 #define VTK_UNICAM_BUTTON_MIDDLE 2
00112 #define VTK_UNICAM_BUTTON_RIGHT 3
00113
00114
00115 #define VTK_UNICAM_CAM_INT_ROT 0
00116 #define VTK_UNICAM_CAM_INT_CHOOSE 1
00117 #define VTK_UNICAM_CAM_INT_PAN 2
00118 #define VTK_UNICAM_CAM_INT_DOLLY 3
00119
00120 class VTK_RENDERING_EXPORT vtkInteractorStyleUnicam : public vtkInteractorStyle
00121 {
00122 public:
00123 static vtkInteractorStyleUnicam *New();
00124 vtkTypeMacro(vtkInteractorStyleUnicam,vtkInteractorStyle);
00125 void PrintSelf(ostream& os, vtkIndent indent);
00126
00128
00129 virtual void OnLeftButtonDown(int ctrl, int shift, int X, int Y);
00130 virtual void OnLeftButtonUp (int ctrl, int shift, int X, int Y);
00131 virtual void OnMouseMove(int ctrl, int shift, int X, int Y);
00133
00134 virtual void OnLeftButtonMove (int ctrl, int shift, int X, int Y);
00135 virtual void OnMiddleButtonMove(int , int , int , int) {}
00136 virtual void OnRightButtonMove (int , int , int , int) {}
00137
00140 virtual void OnTimer(void);
00141
00142 void SetWorldUpVector(double a[3]) {this->SetWorldUpVector(a[0],a[1],a[2]);}
00143 void SetWorldUpVector(float a[3]) {this->SetWorldUpVector(a[0],a[1],a[2]);}
00144 void SetWorldUpVector(float x, float y, float z);
00145 vtkGetVectorMacro(WorldUpVector, float, 3);
00146
00147 protected:
00148 vtkInteractorStyleUnicam();
00149 virtual ~vtkInteractorStyleUnicam();
00150
00151 vtkWorldPointPicker *InteractionPicker;
00152
00153 int ButtonDown;
00154 double DTime;
00155 double Dist;
00156 float StartPix[2];
00157 float LastPos[2];
00158 float LastPix[2];
00159 float DownPt[3];
00160 float Center [3];
00161
00162 float WorldUpVector[3];
00163
00164 vtkActor *FocusSphere;
00165 int IsDot;
00166 vtkRenderer *FocusSphereRenderer;
00167
00168 int state;
00169
00170 void Choose( int X, int Y );
00171 void Rotate( int X, int Y );
00172 void Dolly ( int X, int Y );
00173 void Pan ( int X, int Y );
00174
00175
00176 void MyTranslateCamera(float v[3]);
00177 void MyRotateCamera(float cx, float cy, float cz,
00178 float ax, float ay, float az,
00179 float angle);
00180
00181
00182
00183
00184
00185
00186 void GetRightVandUpV(float *p, vtkCamera *cam,
00187 float *rightV, float *upV);
00188
00189
00190 void NormalizeMouseXY(int X, int Y, float *NX, float *NY);
00191
00192
00193 float WindowAspect();
00194 private:
00195 vtkInteractorStyleUnicam(const vtkInteractorStyleUnicam&);
00196 void operator=(const vtkInteractorStyleUnicam&);
00197 };
00198
00199 #endif // __vtkInteractorStyleUnicam_h
00200
00201
00202