mirror of
https://github.com/octoleo/plantuml.git
synced 2024-06-05 01:50:49 +00:00
105 lines
3.3 KiB
Java
105 lines
3.3 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.cucadiagram;
|
|
|
|
import net.sourceforge.plantuml.FontParam;
|
|
import net.sourceforge.plantuml.ISkinParam;
|
|
import net.sourceforge.plantuml.awt.geom.XDimension2D;
|
|
import net.sourceforge.plantuml.awt.geom.XPoint2D;
|
|
import net.sourceforge.plantuml.graphic.FontConfiguration;
|
|
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
|
|
import net.sourceforge.plantuml.graphic.TextBlock;
|
|
import net.sourceforge.plantuml.ugraphic.UGraphic;
|
|
import net.sourceforge.plantuml.ugraphic.ULine;
|
|
import net.sourceforge.plantuml.ugraphic.UStroke;
|
|
import net.sourceforge.plantuml.ugraphic.UTranslate;
|
|
import net.sourceforge.plantuml.ugraphic.color.HColors;
|
|
|
|
public class LinkConstraint {
|
|
|
|
private final Link link1;
|
|
private final Link link2;
|
|
private final Display display;
|
|
|
|
private double x1;
|
|
private double y1;
|
|
private double x2;
|
|
private double y2;
|
|
|
|
public LinkConstraint(Link link1, Link link2, Display display) {
|
|
this.link1 = link1;
|
|
this.link2 = link2;
|
|
this.display = display;
|
|
}
|
|
|
|
public void setPosition(Link link, XPoint2D pt) {
|
|
if (link == link1) {
|
|
x1 = pt.getX();
|
|
y1 = pt.getY();
|
|
} else if (link == link2) {
|
|
x2 = pt.getX();
|
|
y2 = pt.getY();
|
|
} else {
|
|
throw new IllegalArgumentException();
|
|
}
|
|
}
|
|
|
|
public void drawMe(UGraphic ug, ISkinParam skinParam) {
|
|
if (x1 == 0 && y1 == 0) {
|
|
return;
|
|
}
|
|
if (x2 == 0 && y2 == 0) {
|
|
return;
|
|
}
|
|
ug = ug.apply(HColors.BLACK);
|
|
// ug.apply(new UTranslate(x1, y1)).draw(new URectangle(10, 10));
|
|
// ug.apply(new UTranslate(x2, y2)).draw(new URectangle(10, 10));
|
|
|
|
final ULine line = new ULine(x2 - x1, y2 - y1);
|
|
ug = ug.apply(new UStroke(3, 3, 1));
|
|
ug.apply(new UTranslate(x1, y1)).draw(line);
|
|
|
|
final TextBlock label = display.create(FontConfiguration.create(skinParam, FontParam.ARROW, null),
|
|
HorizontalAlignment.CENTER, skinParam);
|
|
final XDimension2D dimLabel = label.calculateDimension(ug.getStringBounder());
|
|
final double x = (x1 + x2) / 2 - dimLabel.getWidth() / 2;
|
|
final double y = (y1 + y2) / 2 - dimLabel.getHeight() / 2;
|
|
label.drawU(ug.apply(new UTranslate(x, y)));
|
|
|
|
}
|
|
|
|
}
|