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Java example source code file (SynthIcon.java)
The SynthIcon.java Java example source code/* * 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) */ 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). * * @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). * * @return an int specifying the fixed height of the icon. */ public int getIconHeight() { return getIconHeight(null); } } Other Java examples (source code examples)Here is a short list of links related to this Java SynthIcon.java source code file: |
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