import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;


import vtk.vtkNativeLibrary;
import vtk.vtkPanel;
import vtk.vtkTextActor;
import vtk.vtkNamedColors;


public class TextActor extends JPanel implements ActionListener {
  private static final long serialVersionUID = 1L;
  private vtkPanel renWin;
  private JButton exitButton;

  // -----------------------------------------------------------------
  // Load VTK library and print which library was not properly loaded
  static {
    if (!vtkNativeLibrary.LoadAllNativeLibraries()) {
      for (vtkNativeLibrary lib : vtkNativeLibrary.values()) {
        if (!lib.IsLoaded()) {
          System.out.println(lib.GetLibraryName() + " not loaded");
        }
      }
    }
    vtkNativeLibrary.DisableOutputWindow(null);
  }
  // -----------------------------------------------------------------
	  
	  
  public TextActor() {
    super(new BorderLayout());
	   
	   
    vtkNamedColors Color = new vtkNamedColors(); 
    //For Actor Color
    double ActorColor[] = new double[4];
    //For Renderer Background Color
    double BgColor[] = new double[4];
	   
	   
    //Change Color Name to Use your own Color for Change Actor Color
    Color.GetColor("Red",ActorColor);
    //Change Color Name to Use your own Color for Renderer Background
    Color.GetColor("Black",BgColor);

   
    vtkTextActor Text = new vtkTextActor();
    Text.SetInput("Hello World");
    Text.SetDisplayPosition(20, 30);
    Text.GetTextProperty().SetFontSize(40);
    Text.GetTextProperty().SetFontFamilyToArial();
    Text.GetTextProperty().BoldOn();
    Text.GetTextProperty().ShadowOn();
    Text.GetTextProperty().GetShadowOffset();
    Text.GetTextProperty().SetColor(ActorColor);
	  
  
    renWin = new vtkPanel();
    renWin.GetRenderer().AddActor(Text);
    renWin.resetCamera();
    renWin.GetRenderer().SetBackground(BgColor);
	  
    // Add Java UI components
    exitButton = new JButton("Exit");
    exitButton.addActionListener(this);

    add(renWin, BorderLayout.CENTER);
    add(exitButton, BorderLayout.SOUTH);
  }

  /** An ActionListener that listens to the button. */
  public void actionPerformed(ActionEvent e) {
    if (e.getSource().equals(exitButton)) {
      System.exit(0);
    }
  }

  public static void main(String s[]) {
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
          JFrame frame = new JFrame("Text Actor");
          frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
          frame.getContentPane().setLayout(new BorderLayout());
          frame.getContentPane().add(new TextActor(), BorderLayout.CENTER);
          frame.setSize(400, 400);
          frame.setLocationRelativeTo(null);
          frame.setVisible(true);
        }
      });
  }
} 
