Attachment 782 Details for Bug 1277 – Test program

Test program

Gears.java (text/plain), 13.11 KB, created by Robin Stevens on 2016-05-03 18:20:27 CEST

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Creator: Robin Stevens

Created: 2016-05-03 18:20:27 CEST

Size: 13.11 KB

patch

obsolete

>import java.awt.BorderLayout;
>import java.awt.Color;
>import java.awt.Dimension;
>import java.awt.EventQueue;
>import java.awt.Graphics;
>import java.awt.event.ActionEvent;
>import java.awt.event.ActionListener;
>
>import javax.swing.JButton;
>import javax.swing.JFrame;
>import javax.swing.JPanel;
>
>import com.jogamp.common.GlueGenVersion;
>import com.jogamp.opengl.GL2;
>import com.jogamp.opengl.GLAutoDrawable;
>import com.jogamp.opengl.GLEventListener;
>import com.jogamp.opengl.GLProfile;
>import com.jogamp.opengl.JoglVersion;
>import com.jogamp.opengl.awt.GLCanvas;
>
>/**
> * Gears.java <BR>
> * author: Brian Paul (converted to Java by Ron Cemer and Sven Gothel) <P>
> *
> * This version is equal to Brian Paul's version 1.2 1999/10/21
> */
>
>public class Gears implements GLEventListener {
>  private float view_rotx = 20.0f, view_roty = 30.0f;
>  private final float view_rotz = 0.0f;
>  private int gear1=0, gear2=0, gear3=0;
>  private float angle = 0.0f;
>  private final int swapInterval;
>  public static void main(String[] args) throws Exception{
>    EventQueue.invokeLater(new Runnable() {
>      @Override
>      public void run() {
>        try {
>          showUI();
>        } catch (Exception aE) {
>          aE.printStackTrace();
>        }
>      }
>    });
>  }
>  private static void showUI() throws Exception{
>    final JFrame frame = new JFrame("Gear Demo");
>    frame.setSize(800, 500);
>    frame.setLayout(new BorderLayout());
>
>    final GLCanvas canvas = new GLCanvas();
>
>    final Gears gears = new Gears();
>    canvas.addGLEventListener(gears);
>    canvas.addGLEventListener(new GLEventListener() {
>      @Override
>      public void init(GLAutoDrawable drawable) {
>        StringBuilder sb = new StringBuilder();
>        GlueGenVersion.getInstance().getFullManifestInfo(sb);
>        System.out.println("***GlueGenVersion***");
>        System.out.println(sb);
>
>        sb = new StringBuilder();
>        JoglVersion.getInstance().getFullManifestInfo(sb);
>        System.out.println("***JoglVersion***");
>        System.out.println(sb);
>        canvas.removeGLEventListener(this);
>      }
>
>      @Override
>      public void dispose(GLAutoDrawable drawable) {
>
>      }
>
>      @Override
>      public void display(GLAutoDrawable drawable) {
>
>      }
>
>      @Override
>      public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
>
>      }
>    });
>
>    frame.add(canvas, BorderLayout.CENTER);
>    frame.validate();
>
>    final JPanel bottomPanel = new JPanel(){
>      @Override
>      protected void paintComponent(Graphics g) {
>        super.paintComponent(g);
>        g.setColor(Color.PINK);
>        g.fillRect(0,0,getWidth(),getHeight());
>      }
>
>      @Override
>      public Dimension getPreferredSize() {
>        return new Dimension(200,200);
>      }
>    };
>
>    JButton button = new JButton("Toggle panel at bottom");
>    button.addActionListener(new ActionListener() {
>      private boolean added = false;
>      @Override
>      public void actionPerformed(ActionEvent e) {
>        if ( added ){
>          frame.remove(bottomPanel);
>        } else{
>          frame.add(bottomPanel, BorderLayout.SOUTH);
>        }
>        frame.revalidate();
>        frame.repaint();
>        added = !added;
>      }
>    });
>    frame.add(button, BorderLayout.NORTH);
>
>    frame.setVisible(true);
>  }
>
>  public Gears(int swapInterval) {
>    this.swapInterval = swapInterval;
>  }
>
>  public Gears() {
>    this.swapInterval = 1;
>  }
>
>  public void setGears(int g1, int g2, int g3) {
>    gear1 = g1;
>    gear2 = g2;
>    gear3 = g3;
>  }
>
>  @Override
>  public void init(GLAutoDrawable drawable) {
>    System.err.println("Gears: Init: "+drawable);
>    // Use debug pipeline
>    // drawable.setGL(new DebugGL(drawable.getGL()));
>
>    GL2 gl = drawable.getGL().getGL2();
>
>    System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities());
>    System.err.println("INIT GL IS: " + gl.getClass().getName());
>    System.err.println("GL_VENDOR: " + gl.glGetString(GL2.GL_VENDOR));
>    System.err.println("GL_RENDERER: " + gl.glGetString(GL2.GL_RENDERER));
>    System.err.println("GL_VERSION: " + gl.glGetString(GL2.GL_VERSION));
>
>    float pos[] = { 5.0f, 5.0f, 10.0f, 0.0f };
>    float red[] = { 0.8f, 0.1f, 0.0f, 0.7f };
>    float green[] = { 0.0f, 0.8f, 0.2f, 0.7f };
>    float blue[] = { 0.2f, 0.2f, 1.0f, 0.7f };
>
>    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);
>
>    /* make the gears */
>    if(0>=gear1) {
>      gear1 = gl.glGenLists(1);
>      gl.glNewList(gear1, GL2.GL_COMPILE);
>      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();
>      System.err.println("gear1 list created: "+gear1);
>    } else {
>      System.err.println("gear1 list reused: "+gear1);
>    }
>
>    if(0>=gear2) {
>      gear2 = gl.glGenLists(1);
>      gl.glNewList(gear2, GL2.GL_COMPILE);
>      gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE, green, 0);
>      gear(gl, 0.5f, 2.0f, 2.0f, 10, 0.7f);
>      gl.glEndList();
>      System.err.println("gear2 list created: "+gear2);
>    } else {
>      System.err.println("gear2 list reused: "+gear2);
>    }
>
>    if(0>=gear3) {
>      gear3 = gl.glGenLists(1);
>      gl.glNewList(gear3, GL2.GL_COMPILE);
>      gl.glMaterialfv(GL2.GL_FRONT, GL2.GL_AMBIENT_AND_DIFFUSE, blue, 0);
>      gear(gl, 1.3f, 2.0f, 0.5f, 10, 0.7f);
>      gl.glEndList();
>      System.err.println("gear3 list created: "+gear3);
>    } else {
>      System.err.println("gear3 list reused: "+gear3);
>    }
>
>    gl.glEnable(GL2.GL_NORMALIZE);
>  }
>
>  @Override
>  public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
>    System.err.println("Gears: Reshape "+x+"/"+y+" "+width+"x"+height);
>    GL2 gl = drawable.getGL().getGL2();
>
>    gl.setSwapInterval(swapInterval);
>
>    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);
>  }
>
>  @Override
>  public void dispose(GLAutoDrawable drawable) {
>    System.err.println("Gears: Dispose");
>    setGears(0, 0, 0);
>  }
>
>  @Override
>  public void display(GLAutoDrawable drawable) {
>    // Turn the gears' teeth
>    angle += 2.0f;
>
>    // Get the GL corresponding to the drawable we are animating
>    GL2 gl = drawable.getGL().getGL2();
>
>    gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
>
>    // Special handling for the case where the GLJPanel is translucent
>    // and wants to be composited with other Java 2D content
>    if (GLProfile.isAWTAvailable() &&
>        (drawable instanceof com.jogamp.opengl.awt.GLJPanel) &&
>        !((com.jogamp.opengl.awt.GLJPanel) drawable).isOpaque() &&
>        ((com.jogamp.opengl.awt.GLJPanel) drawable).shouldPreserveColorBufferIfTranslucent()) {
>      gl.glClear(GL2.GL_DEPTH_BUFFER_BIT);
>    } else {
>      gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
>    }
>
>    // Rotate the entire assembly of gears based on how the user
>    // dragged the mouse around
>    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);
>
>    // Place the first gear and call its display list
>    gl.glPushMatrix();
>    gl.glTranslatef(-3.0f, -2.0f, 0.0f);
>    gl.glRotatef(angle, 0.0f, 0.0f, 1.0f);
>    gl.glCallList(gear1);
>    gl.glPopMatrix();
>
>    // Place the second gear and call its display list
>    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();
>
>    // Place the third gear and call its display list
>    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();
>
>    // Remember that every push needs a pop; this one is paired with
>    // rotating the entire gear assembly
>    gl.glPopMatrix();
>  }
>
>  public static 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();
>  }
>
>}

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Attachments on bug 1277: 781 | 782 | 783 | 784