net.sourceforge.plantuml.chronology.TimeScaleChronology Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write : * sequence diagram, * use case diagram, * class diagram, * activity diagram, * component diagram, * state diagram * object diagram

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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * https://plantuml.com/patreon (only 1$ per month!)
 * https://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.chronology;

import net.sourceforge.plantuml.project.time.Day;
import net.sourceforge.plantuml.project.timescale.TimeScale;

public class TimeScaleChronology implements TimeScale {

	private final double fullWidth;
	private long min;
	private long max;

	public TimeScaleChronology(double fullWidth) {
		this.fullWidth = fullWidth;
	}

	public double getStartingPosition(Day instant) {
		final long wink = instant.getMillis();
		if (wink < min)
			throw new IllegalArgumentException();
		if (wink > max)
			throw new IllegalArgumentException();

		return fullWidth * (wink - min) / (max - min);
	}

	public double getEndingPosition(Day instant) {
		return getStartingPosition(instant);
	}

	public double getWidth(Day instant) {
		throw new UnsupportedOperationException();
	}

	public boolean isBreaking(Day instant) {
		throw new UnsupportedOperationException();
	}

	public final void setMin(long min) {
		this.min = min;
	}

	public final void setMax(long max) {
		this.max = max;
	}

}