Attachment 18916 Details for Bug 17603 – Java test case.

Java test case.

Lesson02.java (text/x-java), 4.78 KB, created by Jean-Baptiste Silvy on 2008-09-16 02:11:33 UTC

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Creator: Jean-Baptiste Silvy

Created: 2008-09-16 02:11:33 UTC

Size: 4.78 KB

patch

obsolete

>
>import java.awt.*;
>import java.awt.event.*;
>
>import javax.media.opengl.*;
>import javax.media.opengl.glu.GLU;
>
>
>public class Lesson02
>{
>  static class Renderer
>    implements GLEventListener,
>               KeyListener
>  {
>    /** Called by the drawable to initiate OpenGL rendering by the client.
>     * After all GLEventListeners have been notified of a display event, the 
>     * drawable will swap its buffers if necessary.
>     * @param gLDrawable The GLDrawable object.
>     */    
>    public void display(GLAutoDrawable gLDrawable)
>    {
>      final GL gl = gLDrawable.getGL();
>      gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
>      gl.glLoadIdentity();
>      gl.glTranslatef(-1.5f, 0.0f, -6.0f);
>      gl.glBegin(GL.GL_TRIANGLES);		// Drawing Using Triangles
>        gl.glVertex3f( 0.0f, 1.0f, 0.0f);	// Top
>        gl.glVertex3f(-1.0f,-1.0f, 0.0f);	// Bottom Left
>        gl.glVertex3f( 1.0f,-1.0f, 0.0f);	// Bottom Right
>      gl.glEnd();				// Finished Drawing The Triangle
>      gl.glTranslatef(3.0f, 0.0f, 0.0f);
>      gl.glBegin(GL.GL_QUADS);           	// Draw A Quad
>        gl.glVertex3f(-1.0f, 1.0f, 0.0f);	// Top Left
>        gl.glVertex3f( 1.0f, 1.0f, 0.0f);	// Top Right
>        gl.glVertex3f( 1.0f,-1.0f, 0.0f);	// Bottom Right
>        gl.glVertex3f(-1.0f,-1.0f, 0.0f);	// Bottom Left
>      gl.glEnd();				// Done Drawing The Quad
>      gl.glFlush();
>    }
>    
>    
>	 /** Called when the display mode has been changed.  <B>!! CURRENTLY UNIMPLEMENTED IN JOGL !!</B>
>    * @param gLDrawable The GLDrawable object.
>    * @param modeChanged Indicates if the video mode has changed.
>    * @param deviceChanged Indicates if the video device has changed.
>    */
>	 public void displayChanged(GLAutoDrawable gLDrawable, boolean modeChanged, boolean deviceChanged)
>    {
>    }
>    
>	 /** Called by the drawable immediately after the OpenGL context is 
>    * initialized for the first time. Can be used to perform one-time OpenGL 
>    * initialization such as setup of lights and display lists.
>    * @param gLDrawable The GLDrawable object.
>    */
>   public void init(GLAutoDrawable gLDrawable)
>    {
>      final GL gl = gLDrawable.getGL();
>      gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
>      gl.glShadeModel(GL.GL_FLAT);
>      gLDrawable.addKeyListener(this);
>    }
>    
>  
>	 /** Called by the drawable during the first repaint after the component has 
>    * been resized. The client can update the viewport and view volume of the 
>    * window appropriately, for example by a call to 
>    * GL.glViewport(int, int, int, int); note that for convenience the component
>    * has already called GL.glViewport(int, int, int, int)(x, y, width, height)
>    * when this method is called, so the client may not have to do anything in
>    * this method.
>    * @param gLDrawable The GLDrawable object.
>    * @param x The X Coordinate of the viewport rectangle.
>    * @param y The Y coordinate of the viewport rectanble.
>    * @param width The new width of the window.
>    * @param height The new height of the window.
>    */
>	 public void reshape(GLAutoDrawable gLDrawable, int x, int y, int width, int height)
>    {
>      final GL gl = gLDrawable.getGL();
>      final GLU glu = new GLU();
>
>      if (height <= 0) // avoid a divide by zero error!
>        height = 1;
>      final float h = (float)width / (float)height;
>      gl.glViewport(0, 0, width, height);
>      gl.glMatrixMode(GL.GL_PROJECTION);
>      gl.glLoadIdentity();
>      glu.gluPerspective(45.0f, h, 1.0, 20.0);
>      gl.glMatrixMode(GL.GL_MODELVIEW);
>      gl.glLoadIdentity();
>    }
>
>    /** Invoked when a key has been pressed.
>     * See the class description for {@link KeyEvent} for a definition of
>     * a key pressed event.
>     * @param e The KeyEvent.
>     */
>    public void keyPressed(KeyEvent e)
>    {
>      if (e.getKeyCode() == KeyEvent.VK_ESCAPE)
>        System.exit(0);
>    }
>    
>    /** Invoked when a key has been released.
>     * See the class description for {@link KeyEvent} for a definition of
>     * a key released event.
>     * @param e The KeyEvent.
>     */
>    public void keyReleased(KeyEvent e) {}
>    
>    /** Invoked when a key has been typed.
>     * See the class description for {@link KeyEvent} for a definition of
>     * a key typed event.
>     * @param e The KeyEvent.
>     */
>    public void keyTyped(KeyEvent e) {}
>  }
>
>  /** Program's main entry point
>   * @param args command line arguments.
>   */
>  public static void main(String[] args)
>  {
>    Frame frame = new Frame("Lesson 2: Your First Polygon");
>    GLJPanel canvas = new GLJPanel(new GLCapabilities());
>    canvas.addGLEventListener(new Renderer());
>    frame.add(canvas);
>    frame.setSize(640, 480);
>    frame.addWindowListener(new WindowAdapter()
>    {
>      public void windowClosing(WindowEvent e)
>      {
>        System.exit(0);
>      }
>    });
>    frame.show();
>    canvas.requestFocus();
>  }
>}

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Attachments on bug 17603: 18916

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