plantuml/src/net/sourceforge/plantuml/ugraphic/comp/CompressionTransform.java

68 lines
1.8 KiB
Java

/* ========================================================================
* 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.ugraphic.comp;
import java.util.List;
public class CompressionTransform {
private final List<Slot> all;
public CompressionTransform(SlotSet slotSet) {
this.all = slotSet.getSlots();
}
public double transform(double v) {
return v - getCompressDelta(v);
}
private double getCompressDelta(double v) {
double result = 0;
for (Slot s : all) {
if (s.getStart() > v) {
continue;
}
if (v > s.getEnd()) {
result += s.size();
} else {
result += v - s.getStart();
}
}
return result;
}
}