| /* |
| * Copyright (c) 1997, 2007, 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; |
| |
| import java.awt.image.Raster; |
| import java.awt.image.ColorModel; |
| |
| /** |
| * The <code>PaintContext</code> interface defines the encapsulated |
| * and optimized environment to generate color patterns in device |
| * space for fill or stroke operations on a |
| * {@link Graphics2D}. The <code>PaintContext</code> provides |
| * the necessary colors for <code>Graphics2D</code> operations in the |
| * form of a {@link Raster} associated with a {@link ColorModel}. |
| * The <code>PaintContext</code> maintains state for a particular paint |
| * operation. In a multi-threaded environment, several |
| * contexts can exist simultaneously for a single {@link Paint} object. |
| * @see Paint |
| */ |
| |
| public interface PaintContext { |
| /** |
| * Releases the resources allocated for the operation. |
| */ |
| public void dispose(); |
| |
| /** |
| * Returns the <code>ColorModel</code> of the output. Note that |
| * this <code>ColorModel</code> might be different from the hint |
| * specified in the |
| * {@link Paint#createContext(ColorModel, Rectangle, Rectangle2D, |
| AffineTransform, RenderingHints) createContext} method of |
| * <code>Paint</code>. Not all <code>PaintContext</code> objects are |
| * capable of generating color patterns in an arbitrary |
| * <code>ColorModel</code>. |
| * @return the <code>ColorModel</code> of the output. |
| */ |
| ColorModel getColorModel(); |
| |
| /** |
| * Returns a <code>Raster</code> containing the colors generated for |
| * the graphics operation. |
| * @param x the x coordinate of the area in device space |
| * for which colors are generated. |
| * @param y the y coordinate of the area in device space |
| * for which colors are generated. |
| * @param w the width of the area in device space |
| * @param h the height of the area in device space |
| * @return a <code>Raster</code> representing the specified |
| * rectangular area and containing the colors generated for |
| * the graphics operation. |
| */ |
| Raster getRaster(int x, |
| int y, |
| int w, |
| int h); |
| |
| } |