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PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      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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 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
 *
 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.svek;

import net.sourceforge.plantuml.klimt.Fashion;
import net.sourceforge.plantuml.klimt.UPath;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.AbstractTextBlock;
import net.sourceforge.plantuml.klimt.shape.UEllipse;

public class Boundary extends AbstractTextBlock {

	private final double margin = 4;

	private final double radius = 12;
	private final double left = 17;

	private final Fashion symbolContext;

	public Boundary(Fashion symbolContext) {
		this.symbolContext = symbolContext;
	}

	public void drawU(UGraphic ug) {
		double x = 0;
		double y = 0;
		x += margin;
		y += margin;
		ug = symbolContext.apply(ug);
		final UEllipse circle = UEllipse.build(radius * 2, radius * 2);
		circle.setDeltaShadow(symbolContext.getDeltaShadow());

		final UPath path1 = UPath.none();
		path1.moveTo(0, 0);
		path1.lineTo(0, radius * 2);
		path1.setDeltaShadow(symbolContext.getDeltaShadow());

		final UPath path = UPath.none();
		path.moveTo(0, 0);
		path.lineTo(0, radius * 2);
		path.moveTo(0, radius);
		path.lineTo(left, radius);
		path.setDeltaShadow(symbolContext.getDeltaShadow());
		ug.apply(new UTranslate(x, y)).apply(HColors.none().bg()).draw(path);

		// final ULine line1 = ULine.dy(radius * 2);
		// line1.setDeltaShadow(deltaShadow);
		// ug.apply(new UTranslate(x, y)).draw(line1);
		// final ULine line2 = new ULine(left, 0);
		// line2.setDeltaShadow(deltaShadow);
		// ug.apply(new UTranslate(x, y + radius)).draw(line2);

		ug.apply(new UTranslate(x + left, y)).draw(circle);

	}

	public XDimension2D calculateDimension(StringBounder stringBounder) {
		return new XDimension2D(radius * 2 + left + 2 * margin, radius * 2 + 2 * margin);
	}

}