plantuml/src/net/sourceforge/plantuml/posimo/RacorderInToCenter.java

61 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!)
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*
* 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.posimo;
import net.sourceforge.plantuml.klimt.geom.BezierUtils;
import net.sourceforge.plantuml.klimt.geom.XCubicCurve2D;
import net.sourceforge.plantuml.klimt.geom.XLine2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.geom.XRectangle2D;
import net.sourceforge.plantuml.klimt.shape.DotPath;
public class RacorderInToCenter extends RacorderAbstract implements Racorder {
@Override
public DotPath getRacordIn(XRectangle2D rect, XLine2D tangeante) {
final DotPath result = new DotPath();
final XPoint2D center = new XPoint2D(rect.getCenterX(), rect.getCenterY());
final XLine2D line = XLine2D.line(tangeante.getP1(), center);
final XPoint2D inter = BezierUtils.intersect(line, rect);
final XCubicCurve2D curv = new XCubicCurve2D(line.getX1(), line.getY1(), line.getX1(), line.getY1(),
inter.getX(), inter.getY(), inter.getX(), inter.getY());
return result.addAfter(curv);
}
}