Question

java draw3DRect（）方法没有显示立体图片

import java.awt.*;
import java.awt.Graphics2D;
import java.awt.event.WindowStateListener;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.WindowConstants;

class iPaint{
public static void main(String[]args){
new DrawFrame();
}
}
class DrawFrame extends JFrame {
DrawFrame(){
DrawPanel dp=new DrawPanel();
this.add(dp);
setBounds(100,100,1000,500);
setResizable(false);
setVisible(true);
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}

}
class DrawPanel extends JPanel{
public void paint(Graphics g){
Color c=g.getColor();
Image a=Toolkit.getDefaultToolkit().getImage(DrawPanel.class.getResource("/Copy of M.jpg"));
g.drawImage(a, 80, 100, 250, 128, this);
g.setColor(Color.green);
g.setFont(new Font("华文彩云",Font.ROMAN_BASELINE,100));
g.drawString("中国万岁！",400,400);
g.fillOval(400,100,200,100);
g.draw3DRect(800, 100, 100, 100,true);

}
}

Answer 1

draw3DRect绘制的矩形，其边是高亮显示的，以至于从左上角看呈斜面并加亮。

对于二维图来说，要想很明显清楚地看清是3d效果的话，还是很难的。效果不会太好。