如何使用OpenGL和Java在偏离中心的位置旋转图像？

import javax.media.opengl.*;
import javax.media.opengl.awt.GLCanvas;
import javax.swing.*;

import com.jogamp.opengl.util.FPSAnimator;

public class ImageRotationExample extends JFrame implements GLEventListener {
    private static final int WIDTH = 800;
    private static final int HEIGHT = 600;
    private static final String IMAGE_PATH = "path_to_image.png";
    
    private float rotationAngle = 0.0f;
    
    public ImageRotationExample() {
        GLProfile profile = GLProfile.get(GLProfile.GL2);
        GLCapabilities capabilities = new GLCapabilities(profile);
        
        GLCanvas canvas = new GLCanvas(capabilities);
        canvas.addGLEventListener(this);
        
        this.getContentPane().add(canvas);
        this.setSize(WIDTH, HEIGHT);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setVisible(true);
        
        FPSAnimator animator = new FPSAnimator(canvas, 60);
        animator.start();
    }
    
    public static void main(String[] args) {
        new ImageRotationExample();
    }
    
    @Override
    public void init(GLAutoDrawable drawable) {
        GL2 gl = drawable.getGL().getGL2();
        
        // 加载图像纹理
        Texture texture = TextureIO.newTexture(new File(IMAGE_PATH), true);
        
        // 设置视口和投影矩阵
        gl.glViewport(0, 0, WIDTH, HEIGHT);
        gl.glMatrixMode(GL2.GL_PROJECTION);
        gl.glLoadIdentity();
        gl.glOrtho(0, WIDTH, 0, HEIGHT, -1, 1);
        
        // 启用纹理功能
        gl.glEnable(GL2.GL_TEXTURE_2D);
        texture.bind(gl);
    }
    
    @Override
    public void display(GLAutoDrawable drawable) {
        GL2 gl = drawable.getGL().getGL2();
        
        // 清空画布
        gl.glClear(GL2.GL_COLOR_BUFFER_BIT);
        
        // 保存当前矩阵状态
        gl.glPushMatrix();
        
        // 平移图像到偏离中心的位置
        gl.glTranslatef(WIDTH / 2, HEIGHT / 2, 0);
        
        // 旋转图像
        gl.glRotatef(rotationAngle, 0, 0, 1);
        
        // 绘制图像
        gl.glBegin(GL2.GL_QUADS);
        gl.glTexCoord2f(0, 0);
        gl.glVertex2f(-WIDTH / 2, -HEIGHT / 2);
        gl.glTexCoord2f(1, 0);
        gl.glVertex2f(WIDTH / 2, -HEIGHT / 2);
        gl.glTexCoord2f(1, 1);
        gl.glVertex2f(WIDTH / 2, HEIGHT / 2);
        gl.glTexCoord2f(0, 1);
        gl.glVertex2f(-WIDTH / 2, HEIGHT / 2);
        gl.glEnd();
        
        // 恢复矩阵状态
        gl.glPopMatrix();
        
        // 更新旋转角度
        rotationAngle += 1.0f;
    }
    
    @Override
    public void dispose(GLAutoDrawable drawable) {
        // 清理资源
    }
    
    @Override
    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
        // 处理窗口大小变化
    }
}