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 =========================================================================*/ 00049 #ifndef __vtkInteractorStyleImage_h 00050 #define __vtkInteractorStyleImage_h 00051 00052 #include "vtkInteractorStyleTrackballCamera.h" 00053 00054 // Motion flags 00055 00056 #define VTKIS_WINDOW_LEVEL 1024 00057 #define VTKIS_PICK 1025 00058 00059 class VTK_RENDERING_EXPORT vtkInteractorStyleImage : public vtkInteractorStyleTrackballCamera 00060 { 00061 public: 00062 static vtkInteractorStyleImage *New(); 00063 vtkTypeRevisionMacro(vtkInteractorStyleImage, vtkInteractorStyleTrackballCamera); 00064 void PrintSelf(ostream& os, vtkIndent indent); 00065 00067 00068 vtkGetVector2Macro(WindowLevelStartPosition,int); 00069 vtkGetVector2Macro(WindowLevelCurrentPosition,int); 00071 00073 00075 virtual void OnMouseMove(); 00076 virtual void OnLeftButtonDown(); 00077 virtual void OnLeftButtonUp(); 00078 virtual void OnRightButtonDown(); 00079 virtual void OnRightButtonUp(); 00081 00083 virtual void OnChar(); 00084 00085 // These methods for the different interactions in different modes 00086 // are overridden in subclasses to perform the correct motion. Since 00087 // they might be called from OnTimer, they do not have mouse coord parameters 00088 // (use interactor's GetEventPosition and GetLastEventPosition) 00089 virtual void WindowLevel(); 00090 virtual void Pick(); 00091 00092 // Interaction mode entry points used internally. 00093 virtual void StartWindowLevel(); 00094 virtual void EndWindowLevel(); 00095 virtual void StartPick(); 00096 virtual void EndPick(); 00097 00098 protected: 00099 vtkInteractorStyleImage(); 00100 ~vtkInteractorStyleImage(); 00101 00102 int WindowLevelStartPosition[2]; 00103 int WindowLevelCurrentPosition[2]; 00104 00105 private: 00106 vtkInteractorStyleImage(const vtkInteractorStyleImage&); // Not implemented. 00107 void operator=(const vtkInteractorStyleImage&); // Not implemented. 00108 }; 00109 00110 #endif