// Java 3D Test Applet
// EarthApplet.java
//   Copyright (c) 1999 ENDO Yasuyuki
//                      mailto:yasuyuki@javaopen.org
//                      http://www.javaopen.org/j3dbook/index.html

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.SimpleUniverse;
import com.sun.j3d.utils.geometry.Sphere;
import com.sun.j3d.utils.image.TextureLoader;
import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
import com.sun.j3d.utils.behaviors.mouse.MouseTranslate;
import com.sun.j3d.utils.behaviors.mouse.MouseZoom;

public class RasterTest extends Applet {
  private Canvas3D canvas = null;
  private TransparencyAttributes tattr = null;

  private boolean isStandalone = false;

  public RasterTest() {
    this(false);
  }
  
  public RasterTest(boolean isStandalone) {
    this.isStandalone = isStandalone;

    this.setLayout(new BorderLayout());

    Panel panel = new Panel();
    this.add(panel, BorderLayout.SOUTH);

    Choice choice = new Choice();
    choice.add("BLENDED");
    choice.add("FASTEST");
    choice.add("NICEST");
    choice.add("NONE");
    choice.add("SCREEN_DOOR");
    choice.select(3); // NONE
    choice.addItemListener( new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
	String state = (String)e.getItem();
	if (state.equals("BLENDED")) {
	  tattr.setTransparencyMode(TransparencyAttributes.BLENDED);
	} else if (state.equals("FASTEST")) {
	  tattr.setTransparencyMode(TransparencyAttributes.FASTEST);
	} else if (state.equals("NICEST")) {
	  tattr.setTransparencyMode(TransparencyAttributes.NICEST);
	} else if (state.equals("NONE")) {
	  tattr.setTransparencyMode(TransparencyAttributes.NONE);
	} else if (state.equals("SCREEN_DOOR")) {
	  tattr.setTransparencyMode(TransparencyAttributes.SCREEN_DOOR);
	}
      }
    });
    panel.add(choice);

    panel.add( new Label("Transparency:") );
    TextField field = new TextField("0.0");
    field.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
	float v = 0.0f;
	try {
	  v = Float.parseFloat(e.getActionCommand());
	  tattr.setTransparency(v);
	} catch (Exception ex) {}
      }
    });
    panel.add(field);
    
  }

  public void init() {
    GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
    this.canvas = new Canvas3D(config);
    this.add(this.canvas, BorderLayout.CENTER);

    SimpleUniverse universe = new SimpleUniverse(canvas);
    universe.getViewingPlatform().setNominalViewingTransform();
  
    universe.addBranchGraph(createSceneGraph());
  }

  private BranchGroup createSceneGraph() {
    BranchGroup root = new BranchGroup();
    
    TransformGroup trans = new TransformGroup();
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);
    
    MouseRotate rotator = new MouseRotate(trans);
    rotator.setSchedulingBounds(bounds);
    root.addChild(rotator);
    
    MouseTranslate translator = new MouseTranslate(trans);
    translator.setSchedulingBounds(bounds);
    root.addChild(translator);
    
    MouseZoom zoomer = new MouseZoom(trans);
    zoomer.setSchedulingBounds(bounds);
    root.addChild(zoomer);
    
    ImageComponent2D image = readImage();

    Raster raster = new Raster( new Point3f(0.0f, 0.0f, 0.0f),
				Raster.RASTER_COLOR,
				0, 0, 128, 128,
				image, null );
    Appearance app = createAppearance();
    Shape3D shape = new Shape3D(raster, app);
    shape.setCapability(Shape3D.ENABLE_PICK_REPORTING);
    shape.setBounds(new BoundingSphere(new Point3d(), 0.5));
    trans.addChild(shape);
    
    root.addChild(trans);
    
    return root;
  }

  private ImageComponent2D readImage() {

    Image image = null;
    if (this.isStandalone) {
      // アプリケーションとして実行されている
      Toolkit toolkit = Toolkit.getDefaultToolkit();
      image = toolkit.getImage("face.gif");
    } else {
      // アプレットとして実行されている
      image = getImage(getCodeBase(), "face.gif");
    }

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(image, 0);
    mt.checkAll(true);
    try { mt.waitForID(0); } catch (InterruptedException e) { e.printStackTrace(); }

    TextureLoader tr = new TextureLoader(image, this);
    
    return tr.getImage();
  }

  private Appearance createAppearance() {
    Appearance app = new Appearance();
    tattr = new TransparencyAttributes(TransparencyAttributes.NONE, 0.0f);
    tattr.setCapability(TransparencyAttributes.ALLOW_MODE_READ);
    tattr.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
    tattr.setCapability(TransparencyAttributes.ALLOW_VALUE_READ);
    tattr.setCapability(TransparencyAttributes.ALLOW_VALUE_WRITE);
    app.setTransparencyAttributes(tattr);
				  
    return app;
  }

  public static void main(String[] args) {
    RasterTest applet = new RasterTest(true); // isStandalone = true;
    Frame frame = new MainFrame(applet, 500, 500);
  }
}