plantuml/src/net/sourceforge/plantuml/chronology/TimeScaleChronology.java

82 lines
2.2 KiB
Java

/* ========================================================================
* 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;
}
}