Attachment 38 Details for Bug 135 – Test case illustrating problem

Test case illustrating problem

GearsWithButtons.java (text/plain), 12.97 KB, created by Sven Gothel on 2005-05-01 12:34:00 CEST

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Creator: Sven Gothel

Created: 2005-05-01 12:34:00 CEST

Size: 12.97 KB

patch

obsolete

>import java.awt.*;
>import java.awt.event.*;
>import javax.swing.*;
>
>import net.java.games.jogl.*;
>
>/**
> * Gears.java <BR>
> * author: Brian Paul (converted to Java by Ron Cemer and Sven Goethel) <P>
> *
> * This version is equal to Brian Paul's version 1.2 1999/10/21
> */
>
>public class GearsWithButtons {
>  public static void main(String[] args) {
>    JFrame frame = new JFrame("Gear Demo");
>    GLCanvas canvas = GLDrawableFactory.getFactory().createGLCanvas(new GLCapabilities());
>
>    // Use debug pipeline
>    //    canvas.setGL(new DebugGL(canvas.getGL()));
>    System.err.println("CANVAS GL IS: " + canvas.getGL().getClass().getName());
>    System.err.println("CANVAS GLU IS: " + canvas.getGLU().getClass().getName());
>
>    canvas.setSize(300, 300);
>    // NOTE: demo works properly if this is specified
>    //    canvas.setPreferredSize(new Dimension(0, 0));
>    canvas.addGLEventListener(new GearRenderer());
>    frame.getContentPane().setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.X_AXIS));
>    Box b = Box.createVerticalBox();
>    b.add(new JButton("North"));
>    Box b2 = Box.createHorizontalBox();
>    b2.add(new JButton("West"));
>    b2.add(canvas);
>    b2.add(new JButton("East"));
>    b.add(b2);
>    b.add(new JButton("South"));
>    frame.getContentPane().add(b);
>    frame.setSize(300, 300);
>    final Animator animator = new Animator(canvas);
>    frame.addWindowListener(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();
>        }
>      });
>    frame.pack();
>    frame.show();
>    animator.start();
>  }
>
>  static class GearRenderer implements GLEventListener, MouseListener, MouseMotionListener {
>    private float view_rotx = 20.0f, view_roty = 30.0f, view_rotz = 0.0f;
>    private int gear1, gear2, gear3;
>    private float angle = 0.0f;
>
>    private int prevMouseX, prevMouseY;
>    private boolean mouseRButtonDown = false;
>
>    private int frameCount;
>
>    public void init(GLDrawable drawable) {
>      GL gl = drawable.getGL();
>      System.err.println("INIT GL IS: " + gl.getClass().getName());
>
>      gl.setSwapInterval(1);
>
>      float pos[] = { 5.0f, 5.0f, 10.0f, 0.0f };
>      float red[] = { 0.8f, 0.1f, 0.0f, 1.0f };
>      float green[] = { 0.0f, 0.8f, 0.2f, 1.0f };
>      float blue[] = { 0.2f, 0.2f, 1.0f, 1.0f };
>
>      gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, pos);
>      gl.glEnable(GL.GL_CULL_FACE);
>      gl.glEnable(GL.GL_LIGHTING);
>      gl.glEnable(GL.GL_LIGHT0);
>      gl.glEnable(GL.GL_DEPTH_TEST);
>            
>      /* make the gears */
>      gear1 = gl.glGenLists(1);
>      gl.glNewList(gear1, GL.GL_COMPILE);
>      gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, red);
>      gear(gl, 1.0f, 4.0f, 1.0f, 20, 0.7f);
>      gl.glEndList();
>            
>      gear2 = gl.glGenLists(1);
>      gl.glNewList(gear2, GL.GL_COMPILE);
>      gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, green);
>      gear(gl, 0.5f, 2.0f, 2.0f, 10, 0.7f);
>      gl.glEndList();
>            
>      gear3 = gl.glGenLists(1);
>      gl.glNewList(gear3, GL.GL_COMPILE);
>      gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT_AND_DIFFUSE, blue);
>      gear(gl, 1.3f, 2.0f, 0.5f, 10, 0.7f);
>      gl.glEndList();
>            
>      gl.glEnable(GL.GL_NORMALIZE);
>                
>      drawable.addMouseListener(this);
>      drawable.addMouseMotionListener(this);
>    }
>    
>    public void reshape(GLDrawable drawable, int x, int y, int width, int height) {
>      GL gl = drawable.getGL();
>
>      float h = (float)height / (float)width;
>            
>      gl.glMatrixMode(GL.GL_PROJECTION);
>
>      System.err.println("GL_VENDOR: " + gl.glGetString(GL.GL_VENDOR));
>      System.err.println("GL_RENDERER: " + gl.glGetString(GL.GL_RENDERER));
>      System.err.println("GL_VERSION: " + gl.glGetString(GL.GL_VERSION));
>      System.err.println();
>      System.err.println("glLoadTransposeMatrixfARB() supported: " +
>                         gl.isFunctionAvailable("glLoadTransposeMatrixfARB"));
>      if (!gl.isFunctionAvailable("glLoadTransposeMatrixfARB")) {
>        // --- not using extensions
>        gl.glLoadIdentity();
>      } else {
>        // --- using extensions
>        final float[] identityTranspose = new float[] {
>          1, 0, 0, 0,
>          0, 1, 0, 0,
>          0, 0, 1, 0,
>          0, 0, 0, 1
>        };
>        gl.glLoadTransposeMatrixfARB(identityTranspose);
>      }
>      gl.glFrustum(-1.0f, 1.0f, -h, h, 5.0f, 60.0f);
>      gl.glMatrixMode(GL.GL_MODELVIEW);
>      gl.glLoadIdentity();
>      gl.glTranslatef(0.0f, 0.0f, -40.0f);
>    }
>
>    public void display(GLDrawable drawable) {
>      angle += 2.0f;
>
>      GL gl = drawable.getGL();
>      gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
>            
>      gl.glPushMatrix();
>      gl.glRotatef(view_rotx, 1.0f, 0.0f, 0.0f);
>      gl.glRotatef(view_roty, 0.0f, 1.0f, 0.0f);
>      gl.glRotatef(view_rotz, 0.0f, 0.0f, 1.0f);
>            
>      gl.glPushMatrix();
>      gl.glTranslatef(-3.0f, -2.0f, 0.0f);
>      gl.glRotatef(angle, 0.0f, 0.0f, 1.0f);
>      gl.glCallList(gear1);
>      gl.glPopMatrix();
>            
>      gl.glPushMatrix();
>      gl.glTranslatef(3.1f, -2.0f, 0.0f);
>      gl.glRotatef(-2.0f * angle - 9.0f, 0.0f, 0.0f, 1.0f);
>      gl.glCallList(gear2);
>      gl.glPopMatrix();
>            
>      gl.glPushMatrix();
>      gl.glTranslatef(-3.1f, 4.2f, 0.0f);
>      gl.glRotatef(-2.0f * angle - 25.0f, 0.0f, 0.0f, 1.0f);
>      gl.glCallList(gear3);
>      gl.glPopMatrix();
>            
>      gl.glPopMatrix();
>
>      ++frameCount;
>      if (frameCount == 50) {
>        frameCount = 0;
>        System.out.println("getMinimumSize()   = " + ((GLCanvas) drawable).getMinimumSize());
>        System.out.println("getMaximumSize()   = " + ((GLCanvas) drawable).getMaximumSize());
>        System.out.println("getPreferredSize() = " + ((GLCanvas) drawable).getPreferredSize());
>      }
>    }
>
>    public void displayChanged(GLDrawable drawable, boolean modeChanged, boolean deviceChanged) {}
>
>    private void gear(GL 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(GL.GL_FLAT);
>
>      gl.glNormal3f(0.0f, 0.0f, 1.0f);
>
>      /* draw front face */
>      gl.glBegin(GL.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(GL.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(GL.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(GL.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(GL.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(GL.GL_SMOOTH);
>    
>      /* draw inside radius cylinder */
>      gl.glBegin(GL.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();
>    }
>
>    // Methods required for the implementation of MouseListener
>    public void mouseEntered(MouseEvent e) {}
>    public void mouseExited(MouseEvent e) {}
>
>    public void mousePressed(MouseEvent e) {
>      prevMouseX = e.getX();
>      prevMouseY = e.getY();
>      if ((e.getModifiers() & e.BUTTON3_MASK) != 0) {
>        mouseRButtonDown = true;
>      }
>    }
>    
>    public void mouseReleased(MouseEvent e) {
>      if ((e.getModifiers() & e.BUTTON3_MASK) != 0) {
>        mouseRButtonDown = false;
>      }
>    }
>    
>    public void mouseClicked(MouseEvent e) {}
>    
>    // Methods required for the implementation of MouseMotionListener
>    public void mouseDragged(MouseEvent e) {
>      int x = e.getX();
>      int y = e.getY();
>      Dimension size = e.getComponent().getSize();
>
>      float thetaY = 360.0f * ( (float)(x-prevMouseX)/(float)size.width);
>      float thetaX = 360.0f * ( (float)(prevMouseY-y)/(float)size.height);
>    
>      prevMouseX = x;
>      prevMouseY = y;
>
>      view_rotx += thetaX;
>      view_roty += thetaY;
>    }
>    
>    public void mouseMoved(MouseEvent e) {}
>  }
>}

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Attachments on bug 135: 38 | 39 | 40