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PlantUML is a component that allows to quickly write : * sequence diagram, * use case diagram, * class diagram, * activity diagram, * component diagram, * state diagram * object diagram

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/* ========================================================================
 * 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!)
 * https://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.wire;

import net.sourceforge.plantuml.klimt.UShape;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.shape.UEllipse;

public class Spot {

	private final WBlock block;
	private final HColor color;
	private final String x;
	private final String y;

	public Spot(WBlock block, HColor color, String x, String y) {
		this.block = block;
		this.color = color == null ? HColors.RED : color;
		this.x = x == null ? "0" : x;
		this.y = y == null ? "0" : y;
	}

	public void drawMe(UGraphic ug) {

		final UTranslate pos = block.getAbsolutePosition(x, y);
		final UTranslate tr = pos.compose(new UTranslate(-2, -2));
		final UShape circle = UEllipse.build(5, 5);

		ug = ug.apply(color).apply(color.bg());
		ug.apply(tr).draw(circle);

	}

}