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RSTAUI is an add-on library for RSyntaxTextArea that provides pre-build dialog boxes commonly needed in text editing applications.

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/*
 * 09/07/2006
 *
 * SizeGripIcon.java - An icon that paints a size grip.
 * This library is distributed under a modified BSD license.  See the included
 * RSTAUI.License.txt file for details.
 */
package org.fife.rsta.ui;

import java.awt.*;
import javax.swing.*;


/**
 * An icon that looks like a Windows 98 or XP-style size grip.
 *
 * @author Robert Futrell
 * @version 1.0
 */
public class SizeGripIcon implements Icon {

	private static final int SIZE = 16;


	/**
	 * Returns the height of this icon.
	 *
	 * @return This icon's height.
	 */
	@Override
	public int getIconHeight() {
		return SIZE;
	}


	/**
	 * Returns the width of this icon.
	 *
	 * @return This icon's width.
	 */
	@Override
	public int getIconWidth() {
		return SIZE;
	}


	/**
	 * Paints this icon.
	 *
	 * @param c The component to paint on.
	 * @param g The graphics context.
	 * @param x The x-coordinate at which to paint.
	 * @param y The y-coordinate at which to paint.
	 */
	@Override
	public void paintIcon(Component c, Graphics g, int x, int y) {

		Dimension dim = c.getSize();
		Color c1 = UIManager.getColor("Label.disabledShadow");
		Color c2 = UIManager.getColor("Label.disabledForeground");

		ComponentOrientation orientation = c.getComponentOrientation();
		int height = dim.height -= 3;

		if (orientation.isLeftToRight()) {
			int width = dim.width  -= 3;
			g.setColor(c1);
			g.fillRect(width-9,height-1, 3,3);
			g.fillRect(width-5,height-1, 3,3);
			g.fillRect(width-1,height-1, 3,3);
			g.fillRect(width-5,height-5, 3,3);
			g.fillRect(width-1,height-5, 3,3);
			g.fillRect(width-1,height-9, 3,3);
			g.setColor(c2);
			g.fillRect(width-9,height-1, 2,2);
			g.fillRect(width-5,height-1, 2,2);
			g.fillRect(width-1,height-1, 2,2);
			g.fillRect(width-5,height-5, 2,2);
			g.fillRect(width-1,height-5, 2,2);
			g.fillRect(width-1,height-9, 2,2);
		}
		else {
			g.setColor(c1);
			g.fillRect(10,height-1, 3,3);
			g.fillRect(6,height-1, 3,3);
			g.fillRect(2,height-1, 3,3);
			g.fillRect(6,height-5, 3,3);
			g.fillRect(2,height-5, 3,3);
			g.fillRect(2,height-9, 3,3);
			g.setColor(c2);
			g.fillRect(10,height-1, 2,2);
			g.fillRect(6,height-1, 2,2);
			g.fillRect(2,height-1, 2,2);
			g.fillRect(6,height-5, 2,2);
			g.fillRect(2,height-5, 2,2);
			g.fillRect(2,height-9, 2,2);
		}

	}


}