makestrokeframe.java

Java灵感编程1-101之61-80

package makestroke;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.geom.*;
/**
 * <p>Title:  Make Stroke Demo</p>
 * <p>Description: This is a Make Stroke Demo</p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: D6-125</p>
 * @author liujun
 * @version 1.0
 */

public class MakeStrokeFrame extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();

  //Construct the frame
  public MakeStrokeFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(MakeStrokeFrame.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Make Stroke Frame Demo");
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
  public void paint(Graphics g) {
    /**@todo: Override this java.awt.Container method*/
      super.paint( g);
       float width=10f;//设置线段宽度
       float miterLimit = 10.0F;
       float[] dashPattern = { 5F, 5F, 8F, 5F, 10F, 5F, 12F,
            5F, 15F, 5F, 18F, 5F, 21F,5F, 23F, 5F, 26F, 5F };
       float dashPhase = 0;
      Graphics2D g2 = (Graphics2D)g;//使用Ｊａｖａ　２Ｄ
        //以虚线模式画线
        g2.setStroke(new BasicStroke(width, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL,
            miterLimit, dashPattern, dashPhase));
        g2.draw(new Line2D.Float(60.0f,60.0f,200.0f,60.0f));
        g2.drawString("虚线模式",210f,60f);
        //画一条直线，笔画直接结尾
        g2.setStroke( new BasicStroke(width,  BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
        g2.draw(new Line2D.Float(60.0f,100.0f,200.0f,100.0f));
        g2.drawString("实线模式，笔画直接结尾（butt cap）",210f,100f);
         //画一条直线，末尾加半圆
        g2.setStroke( new BasicStroke(width,  BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
        g2.draw(new Line2D.Float(60.0f,140.0f,200.0f,140.0f));
        g2.drawString("实线模式，笔画末尾加半圆（round cap）",210f,140f);
        //画一条直线，末尾加半个正方形
        g2.setStroke( new BasicStroke(width,  BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL));
        g2.draw(new Line2D.Float(60.0f,180.0f,200.0f,180.0f));
        g2.drawString("实线模式，笔画末尾加半个正方形（square cap）",210f,180f);
       //构造三个连接路径
       GeneralPath path1 = new GeneralPath();
       GeneralPath path2 = new GeneralPath();
       GeneralPath path3 = new GeneralPath();
       //使用夹角平分方式
        path1.moveTo(60.0f,220.0f);
        path1.lineTo(100.0f,220.0f);
        path1.lineTo(110.0f,240.0f);
        g2.setStroke( new BasicStroke(width,  BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
        g2.draw(path1);
        g2.drawString("Bevel Join 连接类型",60f,280f);
         //使用加“长钉”方式连接两个线段
        path2.moveTo(180.0f,220.0f);
        path2.lineTo(220.0f,220.0f);
        path2.lineTo(230.0f,240.0f);
        g2.setStroke( new BasicStroke(width,  BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
        g2.draw(path2);
        g2.drawString("Miter Join 连接类型",180f,280f);
        //使用圆帽连接方式
        path3.moveTo(300.0f,220.0f);
        path3.lineTo(340.0f,220.0f);
        path3.lineTo(350.0f,240.0f);
        g2.setStroke( new BasicStroke(width,  BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND));
        g2.draw(path3);
        g2.drawString("Round Join 连接类型",300f,280f);
  }
}