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package vtk.rendering.awt;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.util.concurrent.locks.ReentrantLock;
import vtk.vtkCamera;
import vtk.vtkGenericRenderWindowInteractor;
import vtk.vtkInteractorStyle;
import vtk.vtkInteractorStyleTrackballCamera;
import vtk.vtkPanel;
import vtk.vtkRenderWindow;
import vtk.vtkRenderer;
import vtk.rendering.vtkComponent;
import vtk.rendering.vtkInteractorForwarder;
/**
* Provide AWT based vtk rendering component using the vtkPanel class
* while exposing everything as a new rendering component.
*
* @author Sebastien Jourdain - sebastien.jourdain@kitware.com
*
* Notes: This class should be replaced down the road by the vtkAwtComponent
* but on some platform such as Windows the vtkAwtComponent
* produce a runtime error regarding invalid pixel format while
* the vtkPanelComponent which use vtkPanel works fine.
* For now, this class provide a good substitute with just a minor overhead.
*/
public class vtkPanelComponent implements vtkComponent<vtkPanel> {
protected vtkPanel panel;
protected ReentrantLock lock;
protected vtkGenericRenderWindowInteractor windowInteractor;
protected vtkInteractorForwarder eventForwarder;
public vtkPanelComponent() {
this.panel = new vtkPanel();
this.lock = new ReentrantLock();
// Init interactor
this.windowInteractor = new vtkGenericRenderWindowInteractor();
this.windowInteractor.SetRenderWindow(this.panel.GetRenderWindow());
this.windowInteractor.TimerEventResetsTimerOff();
this.windowInteractor.SetSize(200, 200);
this.windowInteractor.ConfigureEvent();
// Update style
vtkInteractorStyleTrackballCamera style = new vtkInteractorStyleTrackballCamera();
this.windowInteractor.SetInteractorStyle(style);
// Setup event forwarder
this.eventForwarder = new vtkInteractorForwarder(this);
this.windowInteractor.AddObserver("CreateTimerEvent", this.eventForwarder, "StartTimer");
this.windowInteractor.AddObserver("DestroyTimerEvent", this.eventForwarder, "DestroyTimer");
// Remove unwanted listeners
this.panel.removeKeyListener(this.panel);
this.panel.removeMouseListener(this.panel);
this.panel.removeMouseMotionListener(this.panel);
this.panel.removeMouseWheelListener(this.panel);
// Add mouse listener that update interactor
this.panel.addMouseListener(this.eventForwarder);
this.panel.addMouseMotionListener(this.eventForwarder);
this.panel.addMouseWheelListener(this.eventForwarder);
// Make sure we update the light position when interacting
this.panel.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
panel.UpdateLight();
}
});
}
public void resetCamera() {
this.panel.resetCamera();
}
public void resetCameraClippingRange() {
this.panel.resetCameraClippingRange();
}
public vtkCamera getActiveCamera() {
return this.panel.GetRenderer().GetActiveCamera();
}
public vtkRenderer getRenderer() {
return this.panel.GetRenderer();
}
public vtkRenderWindow getRenderWindow() {
return this.panel.GetRenderWindow();
}
public vtkGenericRenderWindowInteractor getRenderWindowInteractor() {
return this.windowInteractor;
}
public void setInteractorStyle(vtkInteractorStyle style) {
this.getRenderWindowInteractor().SetInteractorStyle(style);
}
public void setSize(int w, int h) {
this.panel.setSize(w, h);
this.getRenderWindowInteractor().SetSize(w, h);
}
public vtkPanel getComponent() {
return this.panel;
}
public void Delete() {
this.panel.Delete();
}
public void Render() {
this.panel.Render();
}
public vtkInteractorForwarder getInteractorForwarder() {
return this.eventForwarder;
}
public ReentrantLock getVTKLock() {
return this.lock;
}
}
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