Copied JOGL_2_SANDBOX r350 on to trunk; JOGL_2_SANDBOX branch is now closed

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@352 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4

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diff --git a/src/demos/testContextDestruction/TestContextDestruction.java b/src/demos/testContextDestruction/TestContextDestruction.java
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+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.testContextDestruction;
+
+import java.awt.BorderLayout;
+import java.awt.Canvas;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Frame;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.event.WindowListener;
+import javax.media.opengl.DebugGL2;
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2ES1;
+import javax.media.opengl.GL2;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLEventListener;
+import javax.media.opengl.awt.GLCanvas;
+import com.sun.opengl.util.Animator;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+
+
+
+/** A simple demonstration exercising context creation and destruction
+    as a GLCanvas is added to and removed from its parent container. */
+
+public class TestContextDestruction {
+  private int gearDisplayList;
+  private Frame frame1, frame2;
+  private Component frame1ContainedComponent;
+  private Component frame1RemovedComponent;
+  private Component frame2ContainedComponent;
+  private Component frame2RemovedComponent;
+  private GLCanvas canvas;
+  private Canvas emptyCanvas;
+  private boolean frame1IsTarget = true;
+  private float angle = 0.0f;
+  private static final int BORDER_WIDTH = 6;
+
+  public static void main(String[] args) {
+    new TestContextDestruction().run(args);
+  }
+
+  public void run(String[] args) {
+    GLCanvas canvas = new GLCanvas();
+    canvas.addGLEventListener(new Listener());
+    canvas.setSize(256, 256);
+
+    frame1 = new Frame("Frame 1");
+    frame1.setLayout(new BorderLayout());
+    frame1.add(canvas, BorderLayout.CENTER);
+
+    emptyCanvas = new Canvas();
+    emptyCanvas.setBackground(Color.GRAY);
+    emptyCanvas.setSize(256, 256);
+
+    frame2 = new Frame("Frame 2");
+    frame2.setLayout(new BorderLayout());
+    frame2.add(emptyCanvas, BorderLayout.CENTER);
+
+    frame1ContainedComponent = canvas;
+    frame2ContainedComponent = emptyCanvas;
+
+    frame1.pack();
+    frame1.setVisible(true);
+    frame2.pack();
+    frame2.setVisible(true);
+    frame2.setLocation(256 + BORDER_WIDTH, 0);
+    
+    JFrame uiFrame = new JFrame("Controls");
+    uiFrame.getContentPane().setLayout(new GridLayout(3, 1));
+    JButton button = new JButton("Toggle Frame 1's component");
+    button.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent e) {
+          if (frame1ContainedComponent == null) {
+            frame1ContainedComponent = frame1RemovedComponent;
+            frame1RemovedComponent = null;
+            frame1.add(frame1ContainedComponent);
+          } else {
+            frame1RemovedComponent = frame1ContainedComponent;
+            frame1ContainedComponent = null;
+            frame1.remove(frame1RemovedComponent);
+          }
+        }
+      });
+    uiFrame.getContentPane().add(button);
+    button = new JButton("Swap Frame 1's and Frame 2's components");
+    button.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent e) {
+          System.out.println("Swapping Frame 1's and Frame 2's components");
+          Component t1 = null, t2 = null;
+          t1 = frame1ContainedComponent;
+          t2 = frame2ContainedComponent;
+          if (t1 != null) {
+            frame1.remove(t1);
+          }
+          if (t2 != null) {
+            frame2.remove(t2);
+          }
+          if (t1 != null) {
+            frame2.add(t1);
+          }
+          if (t2 != null) {
+            frame1.add(t2);
+          }
+          frame1ContainedComponent = t2;
+          frame2ContainedComponent = t1;
+          t1 = frame1RemovedComponent;
+          frame1RemovedComponent = frame2RemovedComponent;
+          frame2RemovedComponent = t1;
+        }
+      });
+    uiFrame.getContentPane().add(button);
+    button = new JButton("Toggle Frame 2's component");
+    button.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent e) {
+          if (frame2ContainedComponent == null) {
+            frame2ContainedComponent = frame2RemovedComponent;
+            frame2RemovedComponent = null;
+            frame2.add(frame2ContainedComponent);
+          } else {
+            frame2RemovedComponent = frame2ContainedComponent;
+            frame2ContainedComponent = null;
+            frame2.remove(frame2RemovedComponent);
+          }
+        }
+      });
+    uiFrame.getContentPane().add(button);
+    uiFrame.pack();
+    uiFrame.setVisible(true);
+    uiFrame.setLocation(512 + BORDER_WIDTH + BORDER_WIDTH, 0);
+
+    final Animator animator = new Animator(canvas);
+    WindowListener windowListener = new WindowAdapter() {
+        public void windowClosing(WindowEvent e) {
+          // Run this on another thread than the AWT event queue to
+          // make sure the call to Animator.stop() completes before
+          // exiting
+          new Thread(new Runnable() {
+              public void run() {
+                animator.stop();
+                System.exit(0);
+              }
+            }).start();
+        }
+      };
+    frame1.addWindowListener(windowListener);
+    frame2.addWindowListener(windowListener);
+    uiFrame.addWindowListener(windowListener);
+    animator.start();
+  }
+
+  class Listener implements GLEventListener {
+    public void init(GLAutoDrawable drawable) {
+
+      System.out.println("Listener.init()");
+
+      GL2 gl = drawable.getGL().getGL2();
+
+      drawable.setGL(new DebugGL2(gl));
+
+
+      float pos[] = { 5.0f, 5.0f, 10.0f, 0.0f };
+      gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, pos, 0);
+      gl.glEnable(GL2.GL_CULL_FACE);
+      gl.glEnable(GL2.GL_LIGHTING);
+      gl.glEnable(GL2.GL_LIGHT0);
+      gl.glEnable(GL2.GL_DEPTH_TEST);
+
+      initializeDisplayList(gl);
+
+      gl.glEnable(GL2.GL_NORMALIZE);
+
+      reshape(drawable, 0, 0, drawable.getWidth(), drawable.getHeight());
+    }
+
+    public void dispose(GLAutoDrawable drawable) {
+      System.out.println("Listener.dispose()");
+    }
+
+    public void display(GLAutoDrawable drawable) {
+      angle += 2.0f;
+
+      GL2 gl = drawable.getGL().getGL2();
+
+      gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
+
+      gl.glPushMatrix();
+      gl.glRotatef(angle, 0.0f, 0.0f, 1.0f);
+      gl.glCallList(gearDisplayList);
+      gl.glPopMatrix();
+    }
+
+    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+      System.out.println("Listener.reshape()");
+      GL2 gl = drawable.getGL().getGL2();
+
+      float h = (float)height / (float)width;
+            
+      gl.glMatrixMode(GL2.GL_PROJECTION);
+      gl.glLoadIdentity();
+      gl.glFrustum(-1.0f, 1.0f, -h, h, 5.0f, 60.0f);
+      gl.glMatrixMode(GL2.GL_MODELVIEW);
+      gl.glLoadIdentity();
+      gl.glTranslatef(0.0f, 0.0f, -40.0f);
+    }
+
+    public void destroy(GLAutoDrawable drawable) {
+      System.out.println("Listener.destroy()");
+      GL2 gl = drawable.getGL().getGL2();
+      gl.glDeleteLists(gearDisplayList, 1);
+      gearDisplayList = 0;
+    }
+
+    // Unused routines
+    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {}
+  }
+
+  private synchronized void initializeDisplayList(GL2 gl) {
+    gearDisplayList = gl.glGenLists(1);
+    gl.glNewList(gearDisplayList, GL2.GL_COMPILE);
+    float red[] = { 0.8f, 0.1f, 0.0f, 1.0f };
+    gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE, red, 0);
+    gear(gl, 1.0f, 4.0f, 1.0f, 20, 0.7f);
+    gl.glEndList();
+  }
+
+  private void gear(GL2 gl,
+                    float inner_radius,
+                    float outer_radius,
+                    float width,
+                    int teeth,
+                    float tooth_depth)
+  {
+    int i;
+    float r0, r1, r2;
+    float angle, da;
+    float u, v, len;
+
+    r0 = inner_radius;
+    r1 = outer_radius - tooth_depth / 2.0f;
+    r2 = outer_radius + tooth_depth / 2.0f;
+            
+    da = 2.0f * (float) Math.PI / teeth / 4.0f;
+            
+    gl.glShadeModel(GL2.GL_FLAT);
+
+    gl.glNormal3f(0.0f, 0.0f, 1.0f);
+
+    /* draw front face */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i <= teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), width * 0.5f);
+        if(i < teeth)
+          {
+            gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), width * 0.5f);
+            gl.glVertex3f(r1 * (float)Math.cos(angle + 3.0f * da), r1 * (float)Math.sin(angle + 3.0f * da), width * 0.5f);
+          }
+      }
+    gl.glEnd();
+
+    /* draw front sides of teeth */
+    gl.glBegin(GL2.GL_QUADS);
+    for (i = 0; i < teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + 2.0f * da), r2 * (float)Math.sin(angle + 2.0f * da), width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3.0f * da), r1 * (float)Math.sin(angle + 3.0f * da), width * 0.5f);
+      }
+    gl.glEnd();
+    
+    /* draw back face */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i <= teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), -width * 0.5f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), -width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), -width * 0.5f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), -width * 0.5f);
+      }
+    gl.glEnd();
+    
+    /* draw back sides of teeth */
+    gl.glBegin(GL2.GL_QUADS);
+    for (i = 0; i < teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), -width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + 2 * da), r2 * (float)Math.sin(angle + 2 * da), -width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), -width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), -width * 0.5f);
+      }
+    gl.glEnd();
+    
+    /* draw outward faces of teeth */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i < teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle), r1 * (float)Math.sin(angle), -width * 0.5f);
+        u = r2 * (float)Math.cos(angle + da) - r1 * (float)Math.cos(angle);
+        v = r2 * (float)Math.sin(angle + da) - r1 * (float)Math.sin(angle);
+        len = (float)Math.sqrt(u * u + v * v);
+        u /= len;
+        v /= len;
+        gl.glNormal3f(v, -u, 0.0f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + da), r2 * (float)Math.sin(angle + da), -width * 0.5f);
+        gl.glNormal3f((float)Math.cos(angle), (float)Math.sin(angle), 0.0f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + 2 * da), r2 * (float)Math.sin(angle + 2 * da), width * 0.5f);
+        gl.glVertex3f(r2 * (float)Math.cos(angle + 2 * da), r2 * (float)Math.sin(angle + 2 * da), -width * 0.5f);
+        u = r1 * (float)Math.cos(angle + 3 * da) - r2 * (float)Math.cos(angle + 2 * da);
+        v = r1 * (float)Math.sin(angle + 3 * da) - r2 * (float)Math.sin(angle + 2 * da);
+        gl.glNormal3f(v, -u, 0.0f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), width * 0.5f);
+        gl.glVertex3f(r1 * (float)Math.cos(angle + 3 * da), r1 * (float)Math.sin(angle + 3 * da), -width * 0.5f);
+        gl.glNormal3f((float)Math.cos(angle), (float)Math.sin(angle), 0.0f);
+      }
+    gl.glVertex3f(r1 * (float)Math.cos(0), r1 * (float)Math.sin(0), width * 0.5f);
+    gl.glVertex3f(r1 * (float)Math.cos(0), r1 * (float)Math.sin(0), -width * 0.5f);
+    gl.glEnd();
+    
+    gl.glShadeModel(GL2.GL_SMOOTH);
+    
+    /* draw inside radius cylinder */
+    gl.glBegin(GL2.GL_QUAD_STRIP);
+    for (i = 0; i <= teeth; i++)
+      {
+        angle = i * 2.0f * (float) Math.PI / teeth;
+        gl.glNormal3f(-(float)Math.cos(angle), -(float)Math.sin(angle), 0.0f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), -width * 0.5f);
+        gl.glVertex3f(r0 * (float)Math.cos(angle), r0 * (float)Math.sin(angle), width * 0.5f);
+      }
+    gl.glEnd();
+  }
+}