import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.Timer;
import java.util.*;
import java.lang.Math.*;/**
*
*author:badu
*purpose:测试画线
*date:2009-5-11
*/
public class BhamLine
{
public static void main(String [] args)
{ BhamLineFrame bline=new BhamLineFrame(); bline.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); bline.setVisible(true);
}}
class BhamLineFrame extends JFrame
{
public BhamLineFrame()
{
setTitle("测试画线");
setBounds(0,0,900,600);
//setSize(900,600);
JPanel dwLine=new DrawBhamLine(); add(dwLine); }
}
/**
*
*画直线
*
*/class DrawBhamLine extends JPanel
{
private int x0; private int x1; private int y0; private int y1; private JTextField textField1; private JTextField textField2; private JTextField textField3; private JTextField textField4; //private Graphics g2;
public DrawBhamLine()
{ setLayout(new FlowLayout());
textField1=new JTextField(20); add(textField1); JLabel label1=new JLabel("x0",SwingConstants.CENTER); add(label1);
textField2=new JTextField(20); add(textField2); JLabel label2=new JLabel("y0",SwingConstants.CENTER); add(label2);
textField3=new JTextField(20); add(textField3); JLabel label3=new JLabel("x1",SwingConstants.CENTER); add(label3);
textField4=new JTextField(20); add(textField4); JLabel label4=new JLabel("y1",SwingConstants.CENTER); add(label4);
JButton button=new JButton("画线"); add(button); DrawAction listener=new DrawAction(); button.addActionListener(listener);
} public void paintComponent(Graphics g)
{
//super.paintComponent(g); g.setColor(Color.RED); //g.drawLine(x0,y0,x1,y1); drawBLine(g,x0,y0,x1,y1); } public void drawBLine(Graphics g,int x0,int y0,int x1,int y1)
{
g.drawLine(x0,x1,y0,y1);
}
private class DrawAction implements ActionListener
{
public DrawAction()
{
x0=Integer.parseInt(textField1.getText().trim()); y0=Integer.parseInt(textField2.getText().trim()); x1=Integer.parseInt(textField3.getText().trim()); y1=Integer.parseInt(textField4.getText().trim());
}
public void actionPerformed(ActionEvent event)
{
Graphics g=getGraphics(); //drawBLine(g,100,100,300,300); repaint(); } } }
import javax.swing.*;
import java.awt.event.*;
import javax.swing.Timer;
import java.util.*;
import java.lang.Math.*;/**
*
*author:badu
*purpose:测试画线
*date:2009-5-11
*/
public class BhamLine
{
public static void main(String [] args)
{ BhamLineFrame bline=new BhamLineFrame(); bline.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); bline.setVisible(true);
}}
class BhamLineFrame extends JFrame
{
public BhamLineFrame()
{
setTitle("测试画线");
setBounds(0,0,900,600);
//setSize(900,600);
JPanel dwLine=new DrawBhamLine(); add(dwLine); }
}
/**
*
*画直线
*
*/class DrawBhamLine extends JPanel
{
private int x0; private int x1; private int y0; private int y1; private JTextField textField1; private JTextField textField2; private JTextField textField3; private JTextField textField4; //private Graphics g2;
public DrawBhamLine()
{ setLayout(new FlowLayout());
textField1=new JTextField(20); add(textField1); JLabel label1=new JLabel("x0",SwingConstants.CENTER); add(label1);
textField2=new JTextField(20); add(textField2); JLabel label2=new JLabel("y0",SwingConstants.CENTER); add(label2);
textField3=new JTextField(20); add(textField3); JLabel label3=new JLabel("x1",SwingConstants.CENTER); add(label3);
textField4=new JTextField(20); add(textField4); JLabel label4=new JLabel("y1",SwingConstants.CENTER); add(label4);
JButton button=new JButton("画线"); add(button); DrawAction listener=new DrawAction(); button.addActionListener(listener);
} public void paintComponent(Graphics g)
{
//super.paintComponent(g); g.setColor(Color.RED); //g.drawLine(x0,y0,x1,y1); drawBLine(g,x0,y0,x1,y1); } public void drawBLine(Graphics g,int x0,int y0,int x1,int y1)
{
g.drawLine(x0,x1,y0,y1);
}
private class DrawAction implements ActionListener
{
public DrawAction()
{
x0=Integer.parseInt(textField1.getText().trim()); y0=Integer.parseInt(textField2.getText().trim()); x1=Integer.parseInt(textField3.getText().trim()); y1=Integer.parseInt(textField4.getText().trim());
}
public void actionPerformed(ActionEvent event)
{
Graphics g=getGraphics(); //drawBLine(g,100,100,300,300); repaint(); } } }
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import javax.swing.Timer;
import java.util.*;
import java.lang.Math.*;public class BhamLine {
public static void main(String[] args) {
BhamLineFrame bline = new BhamLineFrame();
bline.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
bline.setVisible(true);
}
}class BhamLineFrame extends JFrame {
public BhamLineFrame() {
setTitle("測試畫線");
setBounds(0, 0, 900, 600);
this.setResizable(false);
JPanel dwLine = new DrawBhamLine();
add(dwLine);
}
}class DrawBhamLine extends JPanel {
private int x0;
private int x1;
private int y0;
private int y1;
private JTextField textField1;
private JTextField textField2;
private JTextField textField3;
private JTextField textField4; public DrawBhamLine() {
setLayout(new FlowLayout());
textField1 = new JTextField(20);
add(textField1);
JLabel label1 = new JLabel("x0", SwingConstants.CENTER);
add(label1);
textField2 = new JTextField(20);
add(textField2);
JLabel label2 = new JLabel("y0", SwingConstants.CENTER);
add(label2);
textField3 = new JTextField(20);
add(textField3);
JLabel label3 = new JLabel("x1", SwingConstants.CENTER);
add(label3);
textField4 = new JTextField(20);
add(textField4);
JLabel label4 = new JLabel("y1", SwingConstants.CENTER);
add(label4);
JButton button = new JButton("畫線");
add(button);
DrawAction listener = new DrawAction();
button.addActionListener(listener);
} private class DrawAction implements ActionListener { public void actionPerformed(ActionEvent e) {
Graphics g = ((JButton)e.getSource()).getParent().getGraphics();
x0 = Integer.parseInt(textField1.getText().trim());
y0 = Integer.parseInt(textField2.getText().trim());
x1 = Integer.parseInt(textField3.getText().trim());
y1 = Integer.parseInt(textField4.getText().trim());
g.setColor(Color.RED);
g.drawLine(x0, x1, y0, y1);
}
}
}