examples/org.eclipse.e4.demo.simpleide.editor.text/src/org/eclipse/e4/demo/simpleide/editor/text/xml/ColorManager.java

/*******************************************************************************
 * Copyright (c) 2010 BestSolution.at and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 ******************************************************************************/
package org.eclipse.e4.demo.simpleide.editor.text.xml;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;

public class ColorManager {

	protected Map<RGB, Color> fColorTable = new HashMap<RGB, Color>(10);

	public void dispose() {
		Iterator<Color> e = fColorTable.values().iterator();
		while (e.hasNext())
			((Color) e.next()).dispose();
	}

	public Color getColor(RGB rgb) {
		Color color = (Color) fColorTable.get(rgb);
		if (color == null) {
			color = new Color(Display.getCurrent(), rgb);
			fColorTable.put(rgb, color);
		}
		return color;
	}
}