/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2017, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML 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 for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 * 
 *
 */
package net.sourceforge.plantuml.graphic;

import net.sourceforge.plantuml.ugraphic.UFont;

public enum FontPosition {
	NORMAL, EXPOSANT, INDICE;

	public int getSpace() {
		if (this == EXPOSANT) {
			return -6;
		}
		if (this == INDICE) {
			return 3;
		}
		return 0;
	}

	public UFont mute(UFont font) {
		if (this == NORMAL) {
			return font;
		}
		int size = font.getSize() - 3;
		if (size < 2) {
			size = 2;
		}
		return font.withSize((float) size);
	}

	public String getHtmlTag() {
		if (this == EXPOSANT) {
			return "sup";
		}
		if (this == INDICE) {
			return "sub";
		}
		throw new UnsupportedOperationException();
	}

}