CircledCharacter.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 * 
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 * This file is part of PlantUML.
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 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
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 * (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.
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 * 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,
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 * Original Author:  Arnaud Roques
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 */
package net.sourceforge.plantuml.klimt.shape;

import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.font.UFont;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;

public class CircledCharacter extends AbstractTextBlock implements TextBlock {
    // ::remove file when __HAXE__

	private final String c;
	private final UFont font;
	private final HColor spotBackColor;
	private final HColor spotBorder;
	private final HColor fontColor;
	private final double radius;

	public CircledCharacter(char c, double radius, UFont font, HColor spotBackColor, HColor spotBorder,
			HColor fontColor) {
		this.c = "" + c;
		this.radius = radius;
		this.font = font;
		this.spotBackColor = spotBackColor;
		this.spotBorder = spotBorder;
		this.fontColor = fontColor.getAppropriateColor(spotBackColor);
	}

	public void drawU(UGraphic ug) {
		if (spotBorder != null)
			ug = ug.apply(spotBorder);

		ug = ug.apply(spotBackColor.bg());
		ug.draw(UEllipse.build(radius * 2, radius * 2));
		ug = ug.apply(fontColor);
		ug = ug.apply(new UTranslate(radius, radius));
		ug.draw(new UCenteredCharacter(c.charAt(0), font));
	}

	final public double getPreferredWidth(StringBounder stringBounder) {
		return 2 * radius;
	}

	final public double getPreferredHeight(StringBounder stringBounder) {
		return 2 * radius;
	}

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