Attachment 77 Details for Bug 214 – Testcase with zero size canvas

Testcase with zero size canvas

Main.java (text/plain), 11.57 KB, created by Sven Gothel on 2006-03-31 03:28:00 CEST

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Creator: Sven Gothel

Created: 2006-03-31 03:28:00 CEST

Size: 11.57 KB

patch

obsolete

>
>import java.awt.Dimension;
>import java.awt.event.MouseEvent;
>import java.awt.event.MouseListener;
>import java.awt.event.MouseMotionListener;
>import java.awt.event.WindowAdapter;
>import java.awt.event.WindowEvent;
>
>import javax.media.opengl.GL;
>import javax.media.opengl.GLAutoDrawable;
>import javax.media.opengl.GLCanvas;
>import javax.media.opengl.GLEventListener;
>import javax.media.opengl.GLJPanel;
>import javax.swing.JFrame;
>import javax.swing.JPanel;
>import javax.swing.JSplitPane;
>
>import com.sun.opengl.util.Animator;
>
>/**
> * 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 Main implements GLEventListener, MouseListener, MouseMotionListener{
>  public static void main(String[] args) {
>    JFrame frame = new JFrame("Gear Demo");
>    JSplitPane pane = new JSplitPane();
>    frame.getContentPane().add(pane);
>    
>    GLCanvas canvas = new GLCanvas();
>    //  The application hangs on OSX when the line below is commented out.
>    //canvas.setSize(150, 300); 
>    JPanel canvasPanel = new JPanel();
>	
>	canvasPanel.add(canvas);
>    
>    pane.setLeftComponent(new JPanel());
>    pane.setRightComponent(canvasPanel);
>    canvas.addGLEventListener(new Main());
>    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.show();
>    animator.start();
>  }
>
>  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;
>
>  public void init(GLAutoDrawable drawable) {
>    // Use debug pipeline
>    // drawable.setGL(new DebugGL(drawable.getGL()));
>
>    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, 0);
>    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, 0);
>    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, 0);
>    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, 0);
>    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(GLAutoDrawable 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));
>    gl.glLoadIdentity();
>    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(GLAutoDrawable drawable) {
>    angle += 2.0f;
>
>    GL gl = drawable.getGL();
>    if ((drawable instanceof GLJPanel) &&
>        !((GLJPanel) drawable).isOpaque() &&
>        ((GLJPanel) drawable).shouldPreserveColorBufferIfTranslucent()) {
>      gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
>    } else {
>      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();
>  }
>
>  public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {}
>
>  public static 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 214: 77