ImageButton.java

package com.alibaba.luaview.debugger.ui;

import java.awt.Dimension;
import java.awt.Image;
import java.awt.Insets;

import javax.swing.ImageIcon;
import javax.swing.JButton;

import com.alibaba.luaview.debugger.Config;

public class ImageButton extends JButton {
	private static final int BUT_H = Config.BTN_H - 2;

	private static final long serialVersionUID = -8171450113272087720L;

	private int left = 20;
	private int right = 2;

	public ImageButton(ImageIcon icon, ImageIcon icon2) {
		icon = changeIcon(icon);
		icon2 = changeIcon(icon2);
		setIcon(icon);
		this.setDisabledIcon(icon2);
		setMargin(new Insets(0, left, 0, right));// 将边框外的上下左右空间设置为0
		setIconTextGap(0);// 将标签中显示的文本和图标之间的间隔量设置为0
		setBorderPainted(false);// 不打印边框
		setBorder(null);// 除去边框
		setText(null);// 除去按钮的默认名称
		setFocusPainted(false);// 除去焦点的框
		setContentAreaFilled(false);// 除去默认的背景填充
		this.setPreferredSize(new Dimension(BUT_H + left + right, BUT_H));
	}

	public static ImageIcon changeIcon(ImageIcon ico) {
		Image temp = ico.getImage().getScaledInstance(BUT_H, BUT_H, Image.SCALE_SMOOTH);
		return new ImageIcon(temp);
	}
}