roundbutton.java

来自「一个用java编写的贪吃蛇升级版手机游戏」· Java 代码 · 共 36 行

import java.awt.*;
import javax.swing.*;

public class RoundButton extends JButton {
	
	public RoundButton( String label )
	{
		super( label );
		Dimension size = getPreferredSize();
		setPreferredSize( size );
		setContentAreaFilled( false );

	}

	protected void paintComponent( Graphics g )
	{
		if ( getModel().isArmed() )
			g.setColor( Color.lightGray );
		else 
			g.setColor( getBackground() );
		
		g.fillOval( 0, 0, getSize().width - 1,getSize().height - 1 );
		super.paintComponent( g );
	}

	protected void paintBorder( Graphics g )
	{
		g.setColor( getForeground() );
		g.drawOval( 0, 0, getSize().width - 1, getSize().height - 1 );
	}
	


}