package org.csstudio.sds.ui.internal.editor.newproperties.colorservice;

import org.csstudio.sds.util.ColorAndFontUtil;
import org.eclipse.swt.graphics.RGB;

/**
 * Describes a named color.
 * 
 * @author Sven Wende
 * 
 */
public class NamedColor {
	private String name;
	private String hex;
	private String description;

	public NamedColor(String name, String description, String hex) {
		assert name != null : "name != null";
		assert name.trim().length() > 0 : "name.trim().length() > 0";
		assert description != null : "description != null";
		assert description.trim().length() > 0 : "description.trim().length() > 0";
		assert hex != null : "hex != null";
		assert hex.trim().length() > 0 : "hex.trim().length() > 0";
		
		this.name = name;
		this.description = description;
		this.hex = hex;
	}

	public RGB getRgb() {
		return toRgb(hex);
	}

	public String getName() {
		return name;
	}

	public String getDescription() {
		return description;
	}

	public String getHex() {
		return hex;
	}
	
	private static RGB toRgb(String hex) {
		assert ColorAndFontUtil.isHex(hex);
		int r = Integer.valueOf(hex.substring(1, 3), 16);
		int g = Integer.valueOf(hex.substring(3, 5), 16);
		int b = Integer.valueOf(hex.substring(5, 7), 16);
		return new RGB(r, g, b);
	}
}