Overlay2D examples updated with gl2es2 and a bufferedimage draw

2 files changed, 244 insertions, 5 deletions

diff --git a/src/main/java/org/jdesktop/j3d/examples/overlay2d/Canvas3D2D.java b/src/main/java/org/jdesktop/j3d/examples/overlay2d/Canvas3D2D.java
index f0e20cb..4886652 100644
--- a/src/main/java/org/jdesktop/j3d/examples/overlay2d/Canvas3D2D.java
+++ b/src/main/java/org/jdesktop/j3d/examples/overlay2d/Canvas3D2D.java
@@ -22,10 +22,18 @@
 

 package org.jdesktop.j3d.examples.overlay2d;

 

+import java.awt.Color;

 import java.awt.GraphicsConfiguration;

+import java.awt.image.BufferedImage;

+import java.io.IOException;

+import java.net.URL;

 

+import javax.imageio.ImageIO;

+

+import org.jdesktop.j3d.examples.Resources;

 import org.jogamp.java3d.Canvas3D;

 import org.jogamp.java3d.J3DGraphics2D;

+import org.jogamp.java3d.utils.image.ImageException;

 

 /**

  * This is an extension to the Canvas3D with the postRender method overridden to draw some things on the 

@@ -33,26 +41,55 @@ import org.jogamp.java3d.J3DGraphics2D;
  */

 public class Canvas3D2D extends Canvas3D

 {

+	private URL bgImage = null;

+	private BufferedImage bufferedImage;

 

 	public Canvas3D2D(GraphicsConfiguration gc)

 	{

 		super(gc);

 	}

 

+	@SuppressWarnings({ "unchecked", "rawtypes" })

 	@Override

 	public void postRender()

 	{

 		J3DGraphics2D g = getGraphics2D();

 

+		g.setColor(new Color(1.0f, 1.0f, 1.0f));

+		g.drawString("This is an example String", 50, 20);

+

+		if (bufferedImage == null)

+		{

+			// the path to the image for an applet

+			bgImage = Resources.getResource("main/resources/images/bg.jpg");

+			if (bgImage == null)

+			{

+				System.err.println("main/resources/images/bg.jpg not found");

+				System.exit(1);

+			}

+

+			bufferedImage = (BufferedImage) java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {

+				@Override

+				public Object run()

+				{

+					try

+					{

+						return ImageIO.read(bgImage);

+					}

+					catch (IOException e)

+					{

+						throw new ImageException(e);

+					}

+				}

+			});

+		}

+		g.drawImage(bufferedImage, 10, 50, null);

+

+		g.setColor(new Color(1.0f, 0f, 0f));

 		// draw a cross hair

 		g.drawLine((this.getWidth() / 2) - 5, (this.getHeight() / 2), (this.getWidth() / 2) + 5, (this.getHeight() / 2));

 		g.drawLine((this.getWidth() / 2), (this.getHeight() / 2) - 5, (this.getWidth() / 2), (this.getHeight() / 2) + 5);

 

-		g.drawString("This is an example String", 50, 20);

-

-		// etc e.g.

-		//g.drawImage(getBufferedImage(), 10, 50, null);

-

 		g.flush(false);

 

 	}

diff --git a/src/main/java/org/jdesktop/j3d/examples/overlay2d/Overlay2DGL2ES2.java b/src/main/java/org/jdesktop/j3d/examples/overlay2d/Overlay2DGL2ES2.java
new file mode 100644
index 0000000..66c7e8f
--- /dev/null
+++ b/src/main/java/org/jdesktop/j3d/examples/overlay2d/Overlay2DGL2ES2.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright (c) 2016 JogAmp Community. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+package org.jdesktop.j3d.examples.overlay2d;
+
+import java.awt.GraphicsConfiguration;
+import java.net.URL;
+
+import org.jdesktop.j3d.examples.Resources;
+import org.jogamp.java3d.Alpha;
+import org.jogamp.java3d.Appearance;
+import org.jogamp.java3d.BoundingSphere;
+import org.jogamp.java3d.BranchGroup;
+import org.jogamp.java3d.GeometryArray;
+import org.jogamp.java3d.PolygonAttributes;
+import org.jogamp.java3d.RotationInterpolator;
+import org.jogamp.java3d.Shape3D;
+import org.jogamp.java3d.Texture;
+import org.jogamp.java3d.TextureAttributes;
+import org.jogamp.java3d.Transform3D;
+import org.jogamp.java3d.TransformGroup;
+import org.jogamp.java3d.TriangleArray;
+import org.jogamp.java3d.utils.image.TextureLoader;
+import org.jogamp.java3d.utils.universe.SimpleUniverse;
+import org.jogamp.vecmath.Color3f;
+import org.jogamp.vecmath.Point3d;
+import org.jogamp.vecmath.Point3f;
+import org.jogamp.vecmath.TexCoord2f;
+import org.jogamp.vecmath.Vector3f;
+
+/**
+ * Simple Java 3D example program to show use of the 2DGraphics overlay.
+ */
+public class Overlay2DGL2ES2 extends javax.swing.JFrame
+{
+
+	private SimpleUniverse univ = null;
+	private BranchGroup scene = null;
+
+	public BranchGroup createSceneGraph()
+	{
+		final BranchGroup objRoot = new BranchGroup();
+
+		// Create a triangle with each point a different color.  Remember to
+		// draw the points in counter-clockwise order.  That is the default
+		// way of determining which is the front of a polygon.
+		//        o (1)
+		//       / \
+		//      /   \
+		// (2) o-----o (0)
+		Shape3D shape = new Shape3D();
+		TriangleArray tri = new TriangleArray(3, GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.TEXTURE_COORDINATE_2);
+		tri.setCoordinate(0, new Point3f(0.5f, 0.0f, 0.0f));
+		tri.setCoordinate(1, new Point3f(0.0f, 0.5f, 0.0f));
+		tri.setCoordinate(2, new Point3f(-0.5f, 0.0f, 0.0f));
+		tri.setColor(0, new Color3f(1.0f, 0.0f, 0.0f));
+		tri.setColor(1, new Color3f(0.0f, 1.0f, 0.0f));
+		tri.setColor(2, new Color3f(0.0f, 0.0f, 1.0f));
+		tri.setTextureCoordinate(0, 0, new TexCoord2f(1.0f, 0.0f));
+		tri.setTextureCoordinate(0, 1, new TexCoord2f(0.0f, 1.0f));
+		tri.setTextureCoordinate(0, 2, new TexCoord2f(0.0f, 0.0f));
+
+		// Because we're about to spin this triangle, be sure to draw
+		// backfaces.  If we don't, the back side of the triangle is invisible.
+		Appearance ap = new Appearance();
+		PolygonAttributes pa = new PolygonAttributes();
+		pa.setCullFace(PolygonAttributes.CULL_NONE);
+		ap.setPolygonAttributes(pa);
+
+		// Add a transformed texture to the cube, for interest sake					
+		URL earthURL = Resources.getResource("main/resources/images/earth.jpg");
+		Texture earthTex = new TextureLoader(earthURL, this).getTexture();
+		ap.setTexture(earthTex);
+
+		TextureAttributes textureAttributes = new TextureAttributes();
+		Transform3D textureTransform = new Transform3D();
+		textureTransform.rotZ(Math.PI / 3f);
+		textureTransform.setTranslation(new Vector3f(10, 1, 0));
+		textureAttributes.setTextureTransform(textureTransform);
+
+		ap.setTextureAttributes(textureAttributes);
+
+		shape.setAppearance(ap);
+
+		// Set up a simple RotationInterpolator
+		BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 5.0);
+		TransformGroup tg = new TransformGroup();
+		Transform3D yAxis = new Transform3D();
+		Alpha rotationAlpha = new Alpha(-1, 4000);
+		tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+		RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, tg, yAxis, 0.0f, (float) Math.PI * 2.0f);
+		rotator.setSchedulingBounds(bounds);
+
+		shape.setGeometry(tri);
+		tg.addChild(rotator);
+		tg.addChild(shape);
+		objRoot.addChild(tg);
+		objRoot.compile();
+		return objRoot;
+
+	}
+
+	private Canvas3D2D createUniverse()
+	{
+		// Get the preferred graphics configuration for the default screen
+		GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
+
+		// Create a Canvas3D using the preferred configuration
+		Canvas3D2D c = new Canvas3D2D(config);
+
+		// Create simple universe with view branch
+		univ = new SimpleUniverse(c);
+
+		// This will move the ViewPlatform back a bit so the
+		// objects in the scene can be viewed.
+		univ.getViewingPlatform().setNominalViewingTransform();
+
+		// Ensure at least 5 msec per frame (i.e., < 200Hz)
+		univ.getViewer().getView().setMinimumFrameCycleTime(5);
+
+		return c;
+	}
+
+	public Overlay2DGL2ES2()
+	{
+		// Initialize the GUI components
+		initComponents();
+
+		// Create Canvas3D and SimpleUniverse; add canvas to drawing panel
+		Canvas3D2D c = createUniverse();
+		drawingPanel.add(c, java.awt.BorderLayout.CENTER);
+
+		// Create the content branch and add it to the universe
+		scene = createSceneGraph();
+		univ.addBranchGraph(scene);
+	}
+
+	// ----------------------------------------------------------------
+
+	/** This method is called from within the constructor to
+	 * initialize the form.
+	 * WARNING: Do NOT modify this code. The content of this method is
+	 * always regenerated by the Form Editor.
+	 */
+	// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
+	private void initComponents()
+	{
+		drawingPanel = new javax.swing.JPanel();
+
+		setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
+		setTitle("Overlay2D");
+		drawingPanel.setLayout(new java.awt.BorderLayout());
+
+		drawingPanel.setPreferredSize(new java.awt.Dimension(250, 250));
+		getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER);
+
+		pack();
+	}// </editor-fold>//GEN-END:initComponents
+
+	/**
+	 * @param args the command line arguments
+	 */
+	public static void main(String args[])
+	{
+
+		System.setProperty("sun.awt.noerasebackground", "true");
+		System.setProperty("j3d.rend", "jogl2es2");
+		System.setProperty("j3d.displaylist", "false");
+
+		java.awt.EventQueue.invokeLater(new Runnable() {
+			@Override
+			public void run()
+			{
+				new Overlay2DGL2ES2().setVisible(true);
+			}
+		});
+	}
+
+	// Variables declaration - do not modify//GEN-BEGIN:variables
+	private javax.swing.JPanel drawingPanel;
+	// End of variables declaration//GEN-END:variables
+
+}