/*
* Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javax.swing;
import java.awt.*;
import java.awt.image.*;
/** ImageObserver for DebugGraphics, used for images only.
*
* @author Dave Karlton
*/
class DebugGraphicsObserver implements ImageObserver {
int lastInfo;
synchronized boolean allBitsPresent() {
return (lastInfo & ImageObserver.ALLBITS) != 0;
}
synchronized boolean imageHasProblem() {
return ((lastInfo & ImageObserver.ERROR) != 0 ||
(lastInfo & ImageObserver.ABORT) != 0);
}
public synchronized boolean imageUpdate(Image img, int infoflags,
int x, int y,
int width, int height) {
lastInfo = infoflags;
return true;
}
}