Here you can find the source of getInsetBounds(JComponent comp)
public static Rectangle getInsetBounds(JComponent comp)
//package com.java2s; /*/*from w w w .j av a2s .com*/ * This file is part of the Jose Project * see http://jose-chess.sourceforge.net/ * (c) 2002-2006 Peter Sch?fer * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * */ import javax.swing.*; import java.awt.*; public class Main { public static Rectangle getInsetBounds(JComponent comp) { Rectangle bounds = comp.getBounds(); Insets ins = comp.getInsets(); if (ins != null) { bounds.x += ins.left; bounds.y += ins.top; bounds.width -= ins.right + ins.left; bounds.height -= ins.top + ins.bottom; } return bounds; } }