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	/*
	* Copyright (c) 1997, 2013, 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 javax.swing.plaf.basic;

	import javax.swing.*;
	import javax.swing.plaf.UIResource;

	import java.awt.Graphics;
	import java.awt.Color;
	import java.awt.Component;
	import java.awt.Polygon;
	import java.io.Serializable;

	/**
	* Factory object that can vend Icons appropriate for the basic L & F.
	* <p>
	* <strong>Warning:</strong>
	* Serialized objects of this class will not be compatible with
	* future Swing releases. The current serialization support is
	* appropriate for short term storage or RMI between applications running
	* the same version of Swing. As of 1.4, support for long term storage
	* of all JavaBeans™
	* has been added to the <code>java.beans</code> package.
	* Please see {@link java.beans.XMLEncoder}.
	*
	* @author David Kloba
	* @author Georges Saab
	*/
	public class BasicIconFactory implements Serializable
	{
	private static Icon frame_icon;
	private static Icon checkBoxIcon;
	private static Icon radioButtonIcon;
	private static Icon checkBoxMenuItemIcon;
	private static Icon radioButtonMenuItemIcon;
	private static Icon menuItemCheckIcon;
	private static Icon menuItemArrowIcon;
	private static Icon menuArrowIcon;

	public static Icon getMenuItemCheckIcon() {
	if (menuItemCheckIcon == null) {
	menuItemCheckIcon = new MenuItemCheckIcon();
	}
	return menuItemCheckIcon;
	}

	public static Icon getMenuItemArrowIcon() {
	if (menuItemArrowIcon == null) {
	menuItemArrowIcon = new MenuItemArrowIcon();
	}
	return menuItemArrowIcon;
	}

	public static Icon getMenuArrowIcon() {
	if (menuArrowIcon == null) {
	menuArrowIcon = new MenuArrowIcon();
	}
	return menuArrowIcon;
	}

	public static Icon getCheckBoxIcon() {
	if (checkBoxIcon == null) {
	checkBoxIcon = new CheckBoxIcon();
	}
	return checkBoxIcon;
	}

	public static Icon getRadioButtonIcon() {
	if (radioButtonIcon == null) {
	radioButtonIcon = new RadioButtonIcon();
	}
	return radioButtonIcon;
	}

	public static Icon getCheckBoxMenuItemIcon() {
	if (checkBoxMenuItemIcon == null) {
	checkBoxMenuItemIcon = new CheckBoxMenuItemIcon();
	}
	return checkBoxMenuItemIcon;
	}

	public static Icon getRadioButtonMenuItemIcon() {
	if (radioButtonMenuItemIcon == null) {
	radioButtonMenuItemIcon = new RadioButtonMenuItemIcon();
	}
	return radioButtonMenuItemIcon;
	}

	public static Icon createEmptyFrameIcon() {
	if(frame_icon == null)
	frame_icon = new EmptyFrameIcon();
	return frame_icon;
	}

	private static class EmptyFrameIcon implements Icon, Serializable {
	int height = 16;
	int width = 14;
	public void paintIcon(Component c, Graphics g, int x, int y) {
	}
	public int getIconWidth() { return width; }
	public int getIconHeight() { return height; }
	};

	private static class CheckBoxIcon implements Icon, Serializable
	{
	final static int csize = 13;
	public void paintIcon(Component c, Graphics g, int x, int y) {
	}

	public int getIconWidth() {
	return csize;
	}

	public int getIconHeight() {
	return csize;
	}
	}

	private static class RadioButtonIcon implements Icon, UIResource, Serializable
	{
	public void paintIcon(Component c, Graphics g, int x, int y) {
	}

	public int getIconWidth() {
	return 13;
	}

	public int getIconHeight() {
	return 13;
	}
	} // end class RadioButtonIcon


	private static class CheckBoxMenuItemIcon implements Icon, UIResource, Serializable
	{
	public void paintIcon(Component c, Graphics g, int x, int y) {
	AbstractButton b = (AbstractButton) c;
	ButtonModel model = b.getModel();
	boolean isSelected = model.isSelected();
	if (isSelected) {
	g.drawLine(x+7, y+1, x+7, y+3);
	g.drawLine(x+6, y+2, x+6, y+4);
	g.drawLine(x+5, y+3, x+5, y+5);
	g.drawLine(x+4, y+4, x+4, y+6);
	g.drawLine(x+3, y+5, x+3, y+7);
	g.drawLine(x+2, y+4, x+2, y+6);
	g.drawLine(x+1, y+3, x+1, y+5);
	}
	}
	public int getIconWidth() { return 9; }
	public int getIconHeight() { return 9; }

	} // End class CheckBoxMenuItemIcon


	private static class RadioButtonMenuItemIcon implements Icon, UIResource, Serializable
	{
	public void paintIcon(Component c, Graphics g, int x, int y) {
	AbstractButton b = (AbstractButton) c;
	ButtonModel model = b.getModel();
	if (b.isSelected() == true) {
	g.fillOval(x+1, y+1, getIconWidth(), getIconHeight());
	}
	}
	public int getIconWidth() { return 6; }
	public int getIconHeight() { return 6; }

	} // End class RadioButtonMenuItemIcon


	private static class MenuItemCheckIcon implements Icon, UIResource, Serializable{
	public void paintIcon(Component c, Graphics g, int x, int y) {
	}
	public int getIconWidth() { return 9; }
	public int getIconHeight() { return 9; }

	} // End class MenuItemCheckIcon

	private static class MenuItemArrowIcon implements Icon, UIResource, Serializable {
	public void paintIcon(Component c, Graphics g, int x, int y) {
	}
	public int getIconWidth() { return 4; }
	public int getIconHeight() { return 8; }

	} // End class MenuItemArrowIcon

	private static class MenuArrowIcon implements Icon, UIResource, Serializable {
	public void paintIcon(Component c, Graphics g, int x, int y) {
	Polygon p = new Polygon();
	p.addPoint(x, y);
	p.addPoint(x+getIconWidth(), y+getIconHeight()/2);
	p.addPoint(x, y+getIconHeight());
	g.fillPolygon(p);

	}
	public int getIconWidth() { return 4; }
	public int getIconHeight() { return 8; }
	} // End class MenuArrowIcon
	}

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