| /* |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.awt.image; |
| |
| /** |
| * An interface for objects that wish to be informed when tiles |
| * of a WritableRenderedImage become modifiable by some writer via |
| * a call to getWritableTile, and when they become unmodifiable via |
| * the last call to releaseWritableTile. |
| * |
| * @see WritableRenderedImage |
| * |
| * @author Thomas DeWeese |
| * @author Daniel Rice |
| */ |
| public interface TileObserver { |
| |
| /** |
| * A tile is about to be updated (it is either about to be grabbed |
| * for writing, or it is being released from writing). |
| * |
| * @param source the image that owns the tile. |
| * @param tileX the X index of the tile that is being updated. |
| * @param tileY the Y index of the tile that is being updated. |
| * @param willBeWritable If true, the tile will be grabbed for writing; |
| * otherwise it is being released. |
| */ |
| public void tileUpdate(WritableRenderedImage source, |
| int tileX, int tileY, |
| boolean willBeWritable); |
| |
| } |