WComponentPeer.java 文件源码

@Override
public void coalescePaintEvent(PaintEvent e) {
    Rectangle r = e.getUpdateRect();
    if (!(e instanceof IgnorePaintEvent)) {
        paintArea.add(r, e.getID());
    }

    if (log.isLoggable(PlatformLogger.Level.FINEST)) {
        switch(e.getID()) {
        case PaintEvent.UPDATE:
            log.finest("coalescePaintEvent: UPDATE: add: x = " +
                r.x + ", y = " + r.y + ", width = " + r.width + ", height = " + r.height);
            return;
        case PaintEvent.PAINT:
            log.finest("coalescePaintEvent: PAINT: add: x = " +
                r.x + ", y = " + r.y + ", width = " + r.width + ", height = " + r.height);
            return;
        }
    }
}