시소당
import java.awt.Canvas;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
/**
* Program to draw grids.
*
* @author Ian Darwin, http://www.darwinsys.com/
*/
class GridsCanvas extends Canvas {
int width, height;
int rows;
int cols;
GridsCanvas(int w, int h, int r, int c) {
setSize(width = w, height = h);
rows = r;
cols = c;
}
public void paint(Graphics g) {
int i;
width = getSize().width;
height = getSize().height;
// draw the rows
int rowHt = height / (rows);
for (i = 0; i < rows; i++)
g.drawLine(0, i * rowHt, width, i * rowHt);
// draw the columns
int rowWid = width / (cols);
for (i = 0; i < cols; i++)
g.drawLine(i * rowWid, 0, i * rowWid, height);
}
}
/** This is the demo class. */
public class Grids extends Frame {
/*
* Construct a GfxDemo2 given its title, width and height. Uses a
* GridBagLayout to make the Canvas resize properly.
*/
Grids(String title, int w, int h, int rows, int cols) {
setTitle(title);
// Now create a Canvas and add it to the Frame.
GridsCanvas xyz = new GridsCanvas(w, h, rows, cols);
add(xyz);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
setVisible(false);
dispose();
System.exit(0);
}
});
// Normal end ... pack it up!
pack();
}
public static void main(String[] a) {
new Grids("Test", 300, 300, 5, 10).setVisible(true);
}
}
[2008년 03월 23일 19:18:39 수정되었습니다.]