midbresenham.java

利用Java采用中点Brasenham算法同时绘制多个圆。

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package bresenham;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

/**
 *
 * @author Lenovo
 */
public class MidBresenham extends JFrame {

    /**
     * @param args the command line arguments
     */
    private JDesktopPane mydesktop = new JDesktopPane();

    public MidBresenham() {
        super("中点Bresenham画图形");
        this.setSize(800, 500);

        JMenuBar myMenueBar = new JMenuBar();
        JMenu Line = new JMenu("画直线");
        JMenu Circle = new JMenu("画圆");
        JMenuItem BresenhamLine = new JMenuItem("画直线");
        JMenuItem BresenhamCircle = new JMenuItem("画圆");
        Line.add(BresenhamLine);
        Circle.add(BresenhamCircle);
        this.setJMenuBar(myMenueBar);
        myMenueBar.add(Line);
        myMenueBar.add(Circle);
        Container myContainer = getContentPane();
        myContainer.add(mydesktop, BorderLayout.CENTER);

        BresenhamLine.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                JInternalFrame myJInternalFrame = new JInternalFrame("", true, true, true, true);
                midBresenhamPanelLine myPanel1 = new midBresenhamPanelLine();
                Container c = myJInternalFrame.getContentPane();
                c.setLayout(new BorderLayout());
                c.add(myPanel1, BorderLayout.CENTER);
                myJInternalFrame.setSize(700, 400);
                // myJInternalFrame.pack();

                mydesktop.add(myJInternalFrame);
                myJInternalFrame.setVisible(true);
            }
        });

        BresenhamCircle.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                JInternalFrame myJInternalFrame = new JInternalFrame("", true, true, true, true);
                midBresenhamPanelCircle myPanel2 = new midBresenhamPanelCircle();
                Container c = myJInternalFrame.getContentPane();
                c.setLayout(new BorderLayout());
                c.add(myPanel2, BorderLayout.CENTER);
                myJInternalFrame.setSize(700, 400);
                // myJInternalFrame.pack();

                mydesktop.add(myJInternalFrame);
                myJInternalFrame.setVisible(true);
            }
        });

        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setVisible(true);
    }

    public static void main(String[] args) {
        // TODO code application logic here 
        new MidBresenham();
    }
}