/* |
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* Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.swing.plaf.synth; |
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import javax.swing.plaf.synth.*; |
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import java.awt.*; |
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import javax.swing.*; |
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import javax.swing.border.Border; |
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import javax.swing.plaf.UIResource; |
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/** |
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* An icon that is passed a SynthContext. Subclasses need only implement |
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* the variants that take a SynthContext, but must be prepared for the |
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* SynthContext to be null. |
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* |
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* @author Scott Violet |
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*/ |
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public abstract class SynthIcon implements Icon { |
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public static int getIconWidth(Icon icon, SynthContext context) { |
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if (icon == null) { |
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return 0; |
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} |
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if (icon instanceof SynthIcon) { |
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return ((SynthIcon)icon).getIconWidth(context); |
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} |
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return icon.getIconWidth(); |
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} |
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public static int getIconHeight(Icon icon, SynthContext context) { |
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if (icon == null) { |
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return 0; |
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} |
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if (icon instanceof SynthIcon) { |
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return ((SynthIcon)icon).getIconHeight(context); |
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} |
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return icon.getIconHeight(); |
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} |
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public static void paintIcon(Icon icon, SynthContext context, Graphics g, |
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int x, int y, int w, int h) { |
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if (icon instanceof SynthIcon) { |
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((SynthIcon)icon).paintIcon(context, g, x, y, w, h); |
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} |
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else if (icon != null) { |
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icon.paintIcon(context.getComponent(), g, x, y); |
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} |
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} |
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/** |
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* Paints the icon at the specified location. |
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* |
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* @param context Identifies hosting region, may be null. |
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* @param x x location to paint to |
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* @param y y location to paint to |
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* @param w Width of the region to paint to, may be 0 |
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* @param h Height of the region to paint to, may be 0 |
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*/ |
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public abstract void paintIcon(SynthContext context, Graphics g, int x, |
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int y, int w, int h); |
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/** |
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* Returns the desired width of the Icon. |
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* |
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* @param context SynthContext requesting the Icon, may be null. |
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* @return Desired width of the icon. |
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*/ |
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public abstract int getIconWidth(SynthContext context); |
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/** |
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* Returns the desired height of the Icon. |
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* |
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* @param context SynthContext requesting the Icon, may be null. |
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* @return Desired height of the icon. |
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*/ |
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public abstract int getIconHeight(SynthContext context); |
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/** |
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* Paints the icon. This is a cover method for |
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* <code>paintIcon(null, g, x, y, 0, 0)</code> |
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*/ |
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public void paintIcon(Component c, Graphics g, int x, int y) { |
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paintIcon(null, g, x, y, 0, 0); |
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} |
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/** |
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* Returns the icon's width. This is a cover methods for |
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* <code>getIconWidth(null)</code>. |
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* |
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* @return an int specifying the fixed width of the icon. |
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*/ |
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public int getIconWidth() { |
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return getIconWidth(null); |
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} |
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/** |
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* Returns the icon's height. This is a cover method for |
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* <code>getIconHeight(null)</code>. |
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* |
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* @return an int specifying the fixed height of the icon. |
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*/ |
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public int getIconHeight() { |
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return getIconHeight(null); |
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} |
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} |