/*******************************************************************************
 * Copyright (c) 2007 Borland Software Corporation
 * 
 * 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:
 *     Borland Software Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.m2m.internal.qvt.oml.editor.ui;

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;
    }
}