| /* |
| * Copyright (c) 2005, 2008, 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 sun.awt; |
| |
| /** |
| * Interface used by Swing to make copies from the Swing back buffer |
| * more optimal when using BufferStrategy; no need to copy the entire |
| * buffer when only a small sub-region has changed. |
| * @see javax.swing.BufferStrategyPaintManager |
| * |
| */ |
| public interface SubRegionShowable { |
| /** |
| * Shows the specific subregion. |
| */ |
| public void show(int x1, int y1, int x2, int y2); |
| |
| /** |
| * Shows the specified region if the buffer is not lost and the dimensions |
| * of the back-buffer match those of the component. |
| * |
| * @return true if successful |
| */ |
| // NOTE: this is invoked by swing on the toolkit thread! |
| public boolean showIfNotLost(int x1, int y1, int x2, int y2); |
| } |