roundborder.java

做了一大堆J2EE WEB应用之后

package gui.ui;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;

import javax.swing.border.LineBorder;

/**
 * 圆角Border
 * @author jiangyp
 *
 */
public class RoundBorder extends LineBorder
{

	public RoundBorder(Color color) {
		super(color);
		
	}
	
	public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
		Graphics2D g2 = (Graphics2D) g;
		g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
				RenderingHints.VALUE_ANTIALIAS_ON);
		Color oldColor = g.getColor();
        int i;
        
	/// PENDING(klobad) How/should do we support Roundtangles?
        g.setColor(lineColor);
        for(i = 0; i < thickness; i++)  {
                g.drawRoundRect(x+i, y+i, width-i-i-1, height-i-i-1, 7, 7);
        }
        g.setColor(oldColor);
    }
}