vtk.rendering/src/vtk/rendering/awt/vtkPanelComponent.java

   1 package vtk.rendering.awt;
   2
   3 import java.awt.event.MouseEvent;
   4 import java.awt.event.MouseMotionAdapter;
   5 import java.util.concurrent.locks.ReentrantLock;
   6
   7 import vtk.vtkCamera;
   8 import vtk.vtkGenericRenderWindowInteractor;
   9 import vtk.vtkInteractorStyle;
  10 import vtk.vtkInteractorStyleTrackballCamera;
  11 import vtk.vtkPanel;
  12 import vtk.vtkRenderWindow;
  13 import vtk.vtkRenderer;
  14 import vtk.rendering.vtkComponent;
  15 import vtk.rendering.vtkInteractorForwarder;
  16
  17 /**
  18  * Provide AWT based vtk rendering component using the vtkPanel class
  19  * while exposing everything as a new rendering component.
  20  *
  21  * @author Sebastien Jourdain - sebastien.jourdain@kitware.com
  22  *
  23  * Notes: This class should be replaced down the road by the vtkAwtComponent
  24  *        but on some platform such as Windows the vtkAwtComponent
  25  *        produce a runtime error regarding invalid pixel format while
  26  *        the vtkPanelComponent which use vtkPanel works fine.
  27  *        For now, this class provide a good substitute with just a minor overhead.
  28  */
  29
  30 public class vtkPanelComponent implements vtkComponent<vtkPanel> {
  31   protected vtkPanel panel;
  32   protected ReentrantLock lock;
  33   protected vtkGenericRenderWindowInteractor windowInteractor;
  34   protected vtkInteractorForwarder eventForwarder;
  35
  36   public vtkPanelComponent() {
  37     this.panel = new vtkPanel();
  38     this.lock = new ReentrantLock();
  39
  40     // Init interactor
  41     this.windowInteractor = new vtkGenericRenderWindowInteractor();
  42     this.windowInteractor.SetRenderWindow(this.panel.GetRenderWindow());
  43     this.windowInteractor.TimerEventResetsTimerOff();
  44
  45     this.windowInteractor.SetSize(200, 200);
  46     this.windowInteractor.ConfigureEvent();
  47
  48     // Update style
  49     vtkInteractorStyleTrackballCamera style = new vtkInteractorStyleTrackballCamera();
  50     this.windowInteractor.SetInteractorStyle(style);
  51
  52     // Setup event forwarder
  53     this.eventForwarder = new vtkInteractorForwarder(this);
  54     this.windowInteractor.AddObserver("CreateTimerEvent", this.eventForwarder, "StartTimer");
  55     this.windowInteractor.AddObserver("DestroyTimerEvent", this.eventForwarder, "DestroyTimer");
  56
  57     // Remove unwanted listeners
  58     this.panel.removeKeyListener(this.panel);
  59     this.panel.removeMouseListener(this.panel);
  60     this.panel.removeMouseMotionListener(this.panel);
  61     this.panel.removeMouseWheelListener(this.panel);
  62
  63     // Add mouse listener that update interactor
  64     this.panel.addMouseListener(this.eventForwarder);
  65     this.panel.addMouseMotionListener(this.eventForwarder);
  66     this.panel.addMouseWheelListener(this.eventForwarder);
  67
  68     // Make sure we update the light position when interacting
  69     this.panel.addMouseMotionListener(new MouseMotionAdapter() {
  70       public void mouseDragged(MouseEvent e) {
  71         panel.UpdateLight();
  72       }
  73     });
  74   }
  75
  76   public void resetCamera() {
  77     this.panel.resetCamera();
  78   }
  79
  80   public void resetCameraClippingRange() {
  81     this.panel.resetCameraClippingRange();
  82   }
  83
  84   public vtkCamera getActiveCamera() {
  85     return this.panel.GetRenderer().GetActiveCamera();
  86   }
  87
  88   public vtkRenderer getRenderer() {
  89     return this.panel.GetRenderer();
  90   }
  91
  92   public vtkRenderWindow getRenderWindow() {
  93     return this.panel.GetRenderWindow();
  94   }
  95
  96   public vtkGenericRenderWindowInteractor getRenderWindowInteractor() {
  97     return this.windowInteractor;
  98   }
  99
 100   public void setInteractorStyle(vtkInteractorStyle style) {
 101     this.getRenderWindowInteractor().SetInteractorStyle(style);
 102   }
 103
 104   public void setSize(int w, int h) {
 105     this.panel.setSize(w, h);
 106     this.getRenderWindowInteractor().SetSize(w, h);
 107   }
 108
 109   public vtkPanel getComponent() {
 110     return this.panel;
 111   }
 112
 113   public void Delete() {
 114     this.panel.Delete();
 115   }
 116
 117   public void Render() {
 118     this.panel.Render();
 119   }
 120
 121   public vtkInteractorForwarder getInteractorForwarder() {
 122     return this.eventForwarder;
 123   }
 124
 125   public ReentrantLock getVTKLock() {
 126     return this.lock;
 127   }
 128 }