mirror of https://github.com/octoleo/plantuml.git
68 lines
2.4 KiB
Java
68 lines
2.4 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2024, Arnaud Roques
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*
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* Project Info: https://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* https://plantuml.com/patreon (only 1$ per month!)
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* https://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.posimo;
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import net.sourceforge.plantuml.klimt.geom.XCubicCurve2D;
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import net.sourceforge.plantuml.klimt.geom.XLine2D;
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import net.sourceforge.plantuml.klimt.geom.XPoint2D;
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import net.sourceforge.plantuml.klimt.geom.XRectangle2D;
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import net.sourceforge.plantuml.klimt.shape.DotPath;
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public class RacorderFollowTangeante extends RacorderAbstract implements Racorder {
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@Override
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public DotPath getRacordIn(XRectangle2D rect, XLine2D tangeante) {
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final DotPath result = new DotPath();
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XPoint2D inter = new LineRectIntersection(tangeante, rect).getIntersection();
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if (inter == null) {
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final XPoint2D p1 = new XPoint2D(rect.getMinX(), rect.getMinY());
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final XPoint2D p2 = new XPoint2D(rect.getMaxX(), rect.getMinY());
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final XPoint2D p3 = new XPoint2D(rect.getMaxX(), rect.getMaxY());
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final XPoint2D p4 = new XPoint2D(rect.getMinX(), rect.getMaxY());
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inter = LineRectIntersection.getCloser(tangeante.getP1(), p1, p2, p3, p4);
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}
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final XCubicCurve2D curv = new XCubicCurve2D(tangeante.getX1(), tangeante.getY1(), tangeante.getX1(),
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tangeante.getY1(), inter.getX(), inter.getY(), inter.getX(), inter.getY());
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return result.addAfter(curv);
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}
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}
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