| /* |
| * Copyright (c) 2002, 2003, 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.swing.plaf.synth; |
| |
| import javax.swing.plaf.synth.*; |
| import java.awt.*; |
| import javax.swing.*; |
| import javax.swing.border.Border; |
| import javax.swing.plaf.UIResource; |
| |
| /** |
| * An icon that is passed a SynthContext. Subclasses need only implement |
| * the variants that take a SynthContext, but must be prepared for the |
| * SynthContext to be null. |
| * |
| * @author Scott Violet |
| */ |
| public abstract class SynthIcon implements Icon { |
| public static int getIconWidth(Icon icon, SynthContext context) { |
| if (icon == null) { |
| return 0; |
| } |
| if (icon instanceof SynthIcon) { |
| return ((SynthIcon)icon).getIconWidth(context); |
| } |
| return icon.getIconWidth(); |
| } |
| |
| public static int getIconHeight(Icon icon, SynthContext context) { |
| if (icon == null) { |
| return 0; |
| } |
| if (icon instanceof SynthIcon) { |
| return ((SynthIcon)icon).getIconHeight(context); |
| } |
| return icon.getIconHeight(); |
| } |
| |
| public static void paintIcon(Icon icon, SynthContext context, Graphics g, |
| int x, int y, int w, int h) { |
| if (icon instanceof SynthIcon) { |
| ((SynthIcon)icon).paintIcon(context, g, x, y, w, h); |
| } |
| else if (icon != null) { |
| icon.paintIcon(context.getComponent(), g, x, y); |
| } |
| } |
| |
| /** |
| * Paints the icon at the specified location. |
| * |
| * @param context Identifies hosting region, may be null. |
| * @param x x location to paint to |
| * @param y y location to paint to |
| * @param w Width of the region to paint to, may be 0 |
| * @param h Height of the region to paint to, may be 0 |
| */ |
| public abstract void paintIcon(SynthContext context, Graphics g, int x, |
| int y, int w, int h); |
| |
| /** |
| * Returns the desired width of the Icon. |
| * |
| * @param context SynthContext requesting the Icon, may be null. |
| * @return Desired width of the icon. |
| */ |
| public abstract int getIconWidth(SynthContext context); |
| |
| /** |
| * Returns the desired height of the Icon. |
| * |
| * @param context SynthContext requesting the Icon, may be null. |
| * @return Desired height of the icon. |
| */ |
| public abstract int getIconHeight(SynthContext context); |
| |
| /** |
| * Paints the icon. This is a cover method for |
| * <code>paintIcon(null, g, x, y, 0, 0)</code> |
| */ |
| public void paintIcon(Component c, Graphics g, int x, int y) { |
| paintIcon(null, g, x, y, 0, 0); |
| } |
| |
| /** |
| * Returns the icon's width. This is a cover methods for |
| * <code>getIconWidth(null)</code>. |
| * |
| * @return an int specifying the fixed width of the icon. |
| */ |
| public int getIconWidth() { |
| return getIconWidth(null); |
| } |
| |
| /** |
| * Returns the icon's height. This is a cover method for |
| * <code>getIconHeight(null)</code>. |
| * |
| * @return an int specifying the fixed height of the icon. |
| */ |
| public int getIconHeight() { |
| return getIconHeight(null); |
| } |
| } |