Swing图形编程--------JOGL（OpenGL绑定)

Swing+JOGL是Java进行OpenGL开发的方式。

1.  依赖文件

jogl-all.jar

jogl-all-natives-windows-i586.jar

gluegen-rt.jar

gluegen-rt-natives-windows-i586.jar

相关的src和doc

2.  HelloWorld

import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent; import javax.media.opengl.GLCapabilities;import javax.media.opengl.GLProfile;import javax.media.opengl.awt.GLCanvas;import javax.swing.JFrame;import javax.media.opengl.GL2;import javax.media.opengl.GLAutoDrawable;import javax.media.opengl.GLEventListener;import javax.media.opengl.glu.GLU; class Renderer implements GLEventListener {    private GLU glu = new GLU();     public void display(GLAutoDrawable gLDrawable)     {        final GL2 gl = gLDrawable.getGL().getGL2();        gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);        gl.glLoadIdentity();        gl.glTranslatef(-1.5f, 0.0f, -6.0f);        gl.glBegin(GL2.GL_TRIANGLES);        gl.glVertex3f(0.0f, 1.0f, 0.0f);        gl.glVertex3f(-1.0f, -1.0f, 0.0f);        gl.glVertex3f(1.0f, -1.0f, 0.0f);        gl.glEnd();        gl.glTranslatef(3.0f, 0.0f, 0.0f);        gl.glBegin(GL2.GL_QUADS);                   gl.glVertex3f(-1.0f, 1.0f, 0.0f);        gl.glVertex3f(1.0f, 1.0f, 0.0f);        gl.glVertex3f(1.0f, -1.0f, 0.0f);        gl.glVertex3f(-1.0f, -1.0f, 0.0f);        gl.glEnd();        gl.glFlush();    }      public void displayChanged(GLAutoDrawable gLDrawable, boolean modeChanged, boolean deviceChanged)     {    System.out.println("displayChanged called");    }     public void init(GLAutoDrawable gLDrawable)     {    System.out.println("init() called");        GL2 gl = gLDrawable.getGL().getGL2();        gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);        gl.glShadeModel(GL2.GL_FLAT);    }     public void reshape(GLAutoDrawable gLDrawable, int x, int y, int width, int height)     {    System.out.println("reshape() called: x = "+x+", y = "+y+", width = "+width+", height = "+height);        final GL2 gl = gLDrawable.getGL().getGL2();         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(GL2.GL_PROJECTION);        gl.glLoadIdentity();        glu.gluPerspective(45.0f, h, 1.0, 20.0);        gl.glMatrixMode(GL2.GL_MODELVIEW);        gl.glLoadIdentity();    }  public void dispose(GLAutoDrawable arg0) {System.out.println("dispose() called");}}public class JoglApp {    public static void main(String[] args)     {    // setup OpenGL Version 2    GLProfile profile = GLProfile.get(GLProfile.GL2);    GLCapabilities capabilities = new GLCapabilities(profile);     // The canvas is the widget that's drawn in the JFrame    GLCanvas glcanvas = new GLCanvas(capabilities);    glcanvas.addGLEventListener(new Renderer());    glcanvas.setSize( 300, 300 );         JFrame frame = new JFrame( "Hello World" );        frame.getContentPane().add( glcanvas);         // shutdown the program on windows close event        frame.addWindowListener(new WindowAdapter() {            public void windowClosing(WindowEvent ev) {                System.exit(0);            }        });         frame.setSize( frame.getContentPane().getPreferredSize() );        frame.setVisible( true );    }}