我想自己画一个JButton的版本,所以我重写了paintComponent()
方法,并画了一个渐变圆角矩形。这个方法可以正常工作,但是之后,我想在上面绘制Button的字符串,在编译时没有错误信息。但是在运行时,我只看到了圆角矩形和渐变,就像我想要的那样(我也可以点击它),但是字符串是不可见的...
以下是我的代码:
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;
public class JIconButton extends JButton implements MouseListener
{
private boolean mouseInside;
public JIconButton(String file, String text)
{
super(text, new ImageIcon(file));
setBorder(new LineBorder(Color.LIGHT_GRAY, 0, true));
setContentAreaFilled(false);
setFocusPainted(false);
addMouseListener(this);
setVisible(true);
}
public void mouseClicked(MouseEvent e)
{
}
public void mouseEntered(MouseEvent e)
{
}
public void mouseExited(MouseEvent e)
{
}
public void mousePressed(MouseEvent e)
{
}
public void mouseReleased(MouseEvent e)
{
}
@Override
protected void paintComponent(Graphics g)
{
Graphics2D g2 = (Graphics2D)g.create();
g2.setPaint(Color.BLACK);
g2.drawString(getText(), 0, 0);
g2.setPaint(new GradientPaint(
new Point(0, 0),
Color.WHITE,
new Point(0, getHeight()),
Color.PINK.darker()));
g2.fillRoundRect(0, 0, getWidth(), getHeight(), 30, 30);
g2.dispose();
//super.paintComponent(g);
}
}