Showing the changes to java/pkg/javax/swing/DebugGraphicsObserver.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package javax.swing; | ||
| 27 | |||
| 28 | import java.awt.*; | ||
| 29 | import java.awt.image.*; | ||
| 30 | |||
| 31 | /** ImageObserver for DebugGraphics, used for images only. | ||
| 32 | * | ||
| 33 | * @author Dave Karlton | ||
| 34 | */ | ||
| 35 | class DebugGraphicsObserver implements ImageObserver { | ||
| 36 | int lastInfo; | ||
| 37 | |||
| 38 | synchronized boolean allBitsPresent() { | ||
| 39 | return (lastInfo & ImageObserver.ALLBITS) != 0; | ||
| 40 | } | ||
| 41 | |||
| 42 | synchronized boolean imageHasProblem() { | ||
| 43 | return ((lastInfo & ImageObserver.ERROR) != 0 || | ||
| 44 | (lastInfo & ImageObserver.ABORT) != 0); | ||
| 45 | } | ||
| 46 | |||
| 47 | public synchronized boolean imageUpdate(Image img, int infoflags, | ||
| 48 | int x, int y, | ||
| 49 | int width, int height) { | ||
| 50 | lastInfo = infoflags; | ||
| 51 | return true; | ||
| 52 | } | ||
| 53 | } | ||