Here you can find the source of paintUnderlying(Graphics g, JComponent c)
| Parameter | Description |
|---|---|
| g | The Graphics object to paint with. |
public static void paintUnderlying(Graphics g, JComponent c)
//package com.java2s; /*/*w ww.j a v a 2 s . c o m*/ * Copyright 2013 Thom Castermans thom.castermans@gmail.com * Copyright 2013 Willem Sonke willemsonke@planet.nl * * 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) version 3 or any later version * accepted by the membership of KDE e.V. (or its successor approved * by the membership of KDE e.V.), which shall act as a proxy * defined in Section 14 of version 3 of the license. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.Graphics; import javax.swing.JComponent; import javax.swing.UIManager; public class Main { /** * Paints the underlying components of this component, in the area that is covered by * the component. * * <p>Java uses the opaque value for two reasons: both indicating whether a component * should have a background and whether they may be optimized for drawing (that means * that the parent doesn't have to be drawn, since the component has a background and * thus fills all of its pixels). However, in Joxy the text components that do have a * background still don't fill all of their pixels.</p> * * <p>We still want to keep the opaque value as it is, to please applications relying * on it (Netbeans for example). Therefore we keep opaque on true, and then paint the * background ourselves. This method is responsible for that.</p> * * <p><b>TODO</b>: this method is not finished yet!</p> * * @param g The Graphics object to paint with. */ public static void paintUnderlying(Graphics g, JComponent c) { g.setColor(UIManager.getColor("Window.background")); g.fillRect(0, 0, c.getWidth(), c.getHeight()); } }