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plantuml/src/net/sourceforge/plantuml/nwdiag/VerticalLine.java
2022-08-19 18:34:21 +02:00

93 lines
2.4 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, 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.nwdiag;
import java.util.Set;
import net.sourceforge.plantuml.graphic.UDrawable;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UPath;
import net.sourceforge.plantuml.ugraphic.color.HColors;
public class VerticalLine implements UDrawable {
private final double y1;
private final double y2;
private final Set<Double> skip;
public VerticalLine(double y1, double y2, Set<Double> skip) {
this.y1 = Math.min(y1, y2);
this.y2 = Math.max(y1, y2);
this.skip = skip;
}
public void drawU(UGraphic ug) {
ug = ug.apply(HColors.none().bg());
boolean drawn = false;
double current = y1;
UPath path = new UPath();
path.moveTo(0, current);
for (Double step : skip) {
if (step < y1) {
continue;
}
assert step >= y1;
drawn = true;
if (step == y2) {
path.lineTo(0, y2);
} else {
path.lineTo(0, Math.min(y2, step - 3));
if (y2 > step) {
path.arcTo(4, 4, 0, 0, 1, 0, step + 9);
continue;
}
}
ug.draw(path);
path = new UPath();
current = step + 9;
path.moveTo(0, current);
if (current >= y2) {
break;
}
}
if (drawn == false) {
path.lineTo(0, y2);
ug.draw(path);
}
}
}