00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkInteractorStyleImage.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 =========================================================================*/ 00046 #ifndef __vtkInteractorStyleImage_h 00047 #define __vtkInteractorStyleImage_h 00048 00049 #include "vtkInteractorStyleTrackballCamera.h" 00050 00051 // Motion flags 00052 00053 #define VTKIS_WINDOW_LEVEL 1024 00054 #define VTKIS_PICK 1025 00055 00056 class VTK_RENDERING_EXPORT vtkInteractorStyleImage : public vtkInteractorStyleTrackballCamera 00057 { 00058 public: 00059 static vtkInteractorStyleImage *New(); 00060 vtkTypeRevisionMacro(vtkInteractorStyleImage, vtkInteractorStyleTrackballCamera); 00061 void PrintSelf(ostream& os, vtkIndent indent); 00062 00064 00065 vtkGetVector2Macro(WindowLevelStartPosition,int); 00066 vtkGetVector2Macro(WindowLevelCurrentPosition,int); 00068 00070 00072 virtual void OnMouseMove(); 00073 virtual void OnLeftButtonDown(); 00074 virtual void OnLeftButtonUp(); 00075 virtual void OnRightButtonDown(); 00076 virtual void OnRightButtonUp(); 00078 00080 virtual void OnChar(); 00081 00082 // These methods for the different interactions in different modes 00083 // are overridden in subclasses to perform the correct motion. Since 00084 // they might be called from OnTimer, they do not have mouse coord parameters 00085 // (use interactor's GetEventPosition and GetLastEventPosition) 00086 virtual void WindowLevel(); 00087 virtual void Pick(); 00088 00089 // Interaction mode entry points used internally. 00090 virtual void StartWindowLevel(); 00091 virtual void EndWindowLevel(); 00092 virtual void StartPick(); 00093 virtual void EndPick(); 00094 00095 protected: 00096 vtkInteractorStyleImage(); 00097 ~vtkInteractorStyleImage(); 00098 00099 int WindowLevelStartPosition[2]; 00100 int WindowLevelCurrentPosition[2]; 00101 00102 private: 00103 vtkInteractorStyleImage(const vtkInteractorStyleImage&); // Not implemented. 00104 void operator=(const vtkInteractorStyleImage&); // Not implemented. 00105 }; 00106 00107 #endif
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