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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!)
 * https://plantuml.com/liberapay (only 1€ per month!)
 * https://plantuml.com/paypal
 *
 *
 * 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.golem;

import java.util.Collections;
import java.util.EnumMap;
import java.util.Map;

import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.font.UFont;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.AbstractTextBlock;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.UEllipse;
import net.sourceforge.plantuml.klimt.shape.URectangle;
import net.sourceforge.plantuml.klimt.sprite.SpriteContainerEmpty;

public class Tile extends AbstractTextBlock implements TextBlock {

	private static double SIZE = 40;
	private final int num;

	private final UFont numberFont = UFont.monospaced(11);
	private final FontConfiguration fc = FontConfiguration.blackBlueTrue(numberFont);
	private final Map geometries;

	Tile(int num) {
		this.num = num;
		final Map tmp = new EnumMap(TileGeometry.class);
		for (TileGeometry g : TileGeometry.values()) {
			tmp.put(g, new TileArea(this, g));
		}
		this.geometries = Collections.unmodifiableMap(tmp);
	}

	public TileArea getArea(TileGeometry geometry) {
		return this.geometries.get(geometry);
	}

	public void drawU(UGraphic ug) {
		ug = ug.apply(HColors.BLACK);
		final TextBlock n = Display.create("" + num).create(fc, HorizontalAlignment.LEFT, new SpriteContainerEmpty());
		final XDimension2D dimNum = n.calculateDimension(ug.getStringBounder());
		final XDimension2D dimTotal = calculateDimension(ug.getStringBounder());
		final double diffx = dimTotal.getWidth() - dimNum.getWidth();
		final double diffy = dimTotal.getHeight() - dimNum.getHeight();
		final double radius = Math.max(dimNum.getWidth(), dimNum.getHeight());
		final double diffx2 = dimTotal.getWidth() - radius;
		final double diffy2 = dimTotal.getHeight() - radius;
		n.drawU(ug.apply(new UTranslate((diffx / 2), (diffy / 2))));
		ug.draw(URectangle.build(SIZE, SIZE));
		ug.apply(new UTranslate(diffx2 / 2, diffy2 / 2)).draw(UEllipse.build(radius, radius));
	}

	public XDimension2D calculateDimension(StringBounder stringBounder) {
		return new XDimension2D(SIZE, SIZE);
	}
}