Attachment 127 Details for Bug 356 – source code to reproduce the bug easily

source code to reproduce the bug easily

HelloWorldDemo.java (text/plain), 3.03 KB, created by Sven Gothel on 2008-06-01 05:10:00 CEST

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Creator: Sven Gothel

Created: 2008-06-01 05:10:00 CEST

Size: 3.03 KB

patch

obsolete

>import java.awt.*;
>import java.awt.event.WindowAdapter;
>import java.awt.event.WindowEvent;
>import java.nio.FloatBuffer;
>
>import com.sun.opengl.util.Animator;
>import com.sun.opengl.util.BufferUtil;
>import com.sun.opengl.util.j2d.TextRenderer;
>import javax.media.opengl.GL;
>import javax.media.opengl.GLCanvas;
>import javax.media.opengl.GLCapabilities;
>import javax.media.opengl.GLAutoDrawable;
>import javax.media.opengl.GLEventListener;
>
>public class HelloWorldDemo extends Frame implements GLEventListener{
>    
>    private static final long serialVersionUID = 1L;
>    private TextRenderer textRenderer;
>    private int[] id=new int[1];
>    private FloatBuffer buffer=BufferUtil.newFloatBuffer(0);
>    
>    public HelloWorldDemo(){
>        super("JOGL 1.1.1");
>        setLayout(new BorderLayout());
>        setSize(400, 400);
>        setLocation(40, 40);
>        setVisible(true);
>        GLCapabilities caps = new GLCapabilities();
>        caps.setDoubleBuffered(true);
>        caps.setHardwareAccelerated(true);
>        GLCanvas canvas = new GLCanvas(caps);
>        canvas.addGLEventListener(this);
>        add(canvas, BorderLayout.CENTER);
>        Animator anim = new Animator(canvas);
>        anim.start();
>        addWindowListener(new WindowAdapter(){
>            public void windowClosing(WindowEvent e){
>                System.exit(0);
>            }
>        });
>        buffer.put(new float[]{});
>        buffer.position(0);
>    }
>
>    
>    public void init(GLAutoDrawable drawable){
>        GL gl = drawable.getGL();
>        gl.glClearColor(0, 0, 0, 0);
>        gl.glMatrixMode(GL.GL_PROJECTION);
>        gl.glLoadIdentity();
>        gl.glOrtho(0, 1, 0, 1, -1, 1);
>        textRenderer=new TextRenderer(new Font("SansSerif",Font.PLAIN,12));
>        gl.glGenBuffers(1,id,0);
>        gl.glBindBuffer(GL.GL_ARRAY_BUFFER,id[0]);
>        gl.glBufferData(GL.GL_ARRAY_BUFFER,BufferUtil.SIZEOF_FLOAT*buffer.capacity(),buffer,GL.GL_STATIC_DRAW_ARB);
>        this.buffer.position(0);
>    }
>
>    public void reshape(GLAutoDrawable drawable,
>                        int x,
>                        int y,
>                        int width,
>                        int height){
>    }
>
>    public void displayChanged(GLAutoDrawable drawable,
>                               boolean modeChanged,
>                               boolean deviceChanged){
>    }
>
>    public void display(GLAutoDrawable drawable){
>        GL gl = drawable.getGL();
>        gl.glClear(GL.GL_COLOR_BUFFER_BIT);
>        gl.glEnableClientState(GL.GL_VERTEX_ARRAY);
>        gl.glEnableClientState(GL.GL_TEXTURE_COORD_ARRAY);
>        gl.glBindBuffer(GL.GL_ARRAY_BUFFER,id[0]);
>        gl.glDrawArrays(GL.GL_QUADS,0,0);
>        gl.glDisableClientState(GL.GL_TEXTURE_COORD_ARRAY);       
>        gl.glDisableClientState(GL.GL_VERTEX_ARRAY);
>        textRenderer.beginRendering(100,100);
>        textRenderer.draw("JOGL 1.1.1",0,0);
>        textRenderer.endRendering();       
>        gl.glFlush();
>    }
>
>    public static void main(String[] args){
>        HelloWorldDemo demo = new HelloWorldDemo();
>        demo.setVisible(true);
>    }
>}

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