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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package sun.awt.X11;

import java.awt.Component;
import java.awt.Graphics;

import sun.awt.AWTAccessor;
import sun.awt.RepaintArea;

The RepaintArea is a geometric construct created for the purpose of holding the geometry of several coalesced paint events. This geometry is accessed synchronously, although it is written such that painting may still be executed asynchronously. 
Author:
     Eric Hawkes/**
 * The {@code RepaintArea} is a geometric construct created for the
 * purpose of holding the geometry of several coalesced paint events.
 * This geometry is accessed synchronously, although it is written such
 * that painting may still be executed asynchronously.
 *
 * @author      Eric Hawkes
 */
final class XRepaintArea extends RepaintArea {

    
Calls Component.update(Graphics) with given Graphics. /**
     * Calls {@code Component.update(Graphics)} with given Graphics.
     */
    protected void updateComponent(Component comp, Graphics g) {
        if (comp != null) {
            // We don't call peer.paintPeer() here, because we shouldn't paint
            // native component when processing UPDATE events.
            super.updateComponent(comp, g);
        }
    }

    
Calls Component.paint(Graphics) with given Graphics. /**
     * Calls {@code Component.paint(Graphics)} with given Graphics.
     */
    protected void paintComponent(Component comp, Graphics g) {
        if (comp != null) {
            final XComponentPeer peer = AWTAccessor.getComponentAccessor()
                                                   .getPeer(comp);
            if (peer != null) {
                peer.paintPeer(g);
            }
            super.paintComponent(comp, g);
        }
    }
}