mirror of https://github.com/octoleo/plantuml.git
83 lines
2.5 KiB
Java
83 lines
2.5 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.svek.extremity;
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import net.sourceforge.plantuml.klimt.UStroke;
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import net.sourceforge.plantuml.klimt.UTranslate;
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import net.sourceforge.plantuml.klimt.drawing.UGraphic;
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import net.sourceforge.plantuml.klimt.geom.XPoint2D;
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import net.sourceforge.plantuml.klimt.shape.UEllipse;
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import net.sourceforge.plantuml.klimt.shape.ULine;
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class MiddleSubset extends Extremity {
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private final double radius = 6;
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private final double length = 10;
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private final double angle;
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private final boolean reverse;
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public MiddleSubset(double angle, boolean reverse) {
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this.angle = angle;
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this.reverse = reverse;
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}
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@Override
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public XPoint2D somePoint() {
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return null;
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}
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public void drawU(UGraphic ug) {
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ug = ug.apply(UStroke.withThickness(1.5));
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final double rotate = reverse ? -45 : 135;
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ug.apply(new UTranslate(-radius, -radius)).draw(new UEllipse(2 * radius, 2 * radius, angle + rotate, 180));
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final double sin = Math.sin(Math.toRadians(angle + rotate));
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final double cos = Math.cos(Math.toRadians(angle + rotate));
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ug.apply(new UTranslate(radius * cos, radius * -sin)).draw(new ULine(length * sin, length * cos));
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ug.apply(new UTranslate(radius * -cos, radius * sin)).draw(new ULine(length * sin, length * cos));
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}
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@Override
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public double getDecorationLength() {
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return radius;
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}
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}
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