| /* |
| * Copyright (c) 2012, 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.lwawt; |
| |
| import java.awt.AWTException; |
| import java.awt.BufferCapabilities; |
| import java.awt.Component; |
| import java.awt.Image; |
| |
| /** |
| * As lwawt can be used on different platforms with different graphic |
| * configurations, the general set of methods is necessary. This interface |
| * collects the methods that should be provided by GraphicsConfiguration, |
| * simplifying use by the LWAWT. |
| * |
| * @author Sergey Bylokhov |
| */ |
| public interface LWGraphicsConfig { |
| |
| /* |
| * A GraphicsConfiguration must implements following methods to indicate |
| * that it imposes certain limitations on the maximum size of supported |
| * textures. |
| */ |
| |
| /** |
| * Returns the maximum width of any texture image. By default return {@code |
| * Integer.MAX_VALUE}. |
| */ |
| int getMaxTextureWidth(); |
| |
| /** |
| * Returns the maximum height of any texture image. By default return {@code |
| * Integer.MAX_VALUE}. |
| */ |
| int getMaxTextureHeight(); |
| |
| /* |
| * The following methods correspond to the multi-buffering methods in |
| * LWComponentPeer.java. |
| */ |
| |
| /** |
| * Checks that the requested configuration is natively supported; if not, an |
| * AWTException is thrown. |
| */ |
| void assertOperationSupported(int numBuffers, BufferCapabilities caps) |
| throws AWTException; |
| |
| /** |
| * Creates a back buffer for the given peer and returns the image wrapper. |
| */ |
| Image createBackBuffer(LWComponentPeer<?, ?> peer); |
| |
| /** |
| * Destroys the back buffer object. |
| */ |
| void destroyBackBuffer(Image backBuffer); |
| |
| /** |
| * Performs the native flip operation for the given target Component. Our |
| * flip is implemented through normal drawImage() to the graphic object, |
| * because of our components uses a graphic object of the container(in this |
| * case we also apply necessary constrains) |
| */ |
| void flip(LWComponentPeer<?, ?> peer, Image backBuffer, int x1, int y1, |
| int x2, int y2, BufferCapabilities.FlipContents flipAction); |
| |
| /** |
| * Creates a new hidden-acceleration image of the given width and height |
| * that is associated with the target Component. |
| */ |
| Image createAcceleratedImage(Component target, int width, int height); |
| } |