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Java Source | 1998-03-20 | 1.6 KB | 50 lines |
- /*
- * @(#)DebugGraphicsObserver.java 1.4 98/01/30
- *
- * Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- */
-
- package java.awt.swing;
-
- import java.awt.*;
- import java.awt.image.*;
-
- /** ImageObserver for DebugGraphics, used for images only.
- *
- * @version 1.4 01/30/98
- * @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;
- }
- }
-