net.sourceforge.plantuml.asciiart.ComponentTextLine Maven / Gradle / Ivy

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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.asciiart;

import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.drawing.txt.UGraphicTxt;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.ComponentType;
import net.sourceforge.plantuml.skin.Context2D;

public class ComponentTextLine extends AbstractComponentText {

	private static final int MAGIC_NUMBER = -3;
	private char using;

	public ComponentTextLine(ComponentType type, FileFormat fileFormat) {
		if (fileFormat == FileFormat.UTXT) {
			using = '\u2502';
		} else {
			using = '|';
		}
		if (type == ComponentType.DELAY_LINE) {
			using = '.';
		}
	}

	public void drawU(UGraphic ug, Area area, Context2D context) {
		final XDimension2D dimensionToUse = area.getDimensionToUse();
		final UmlCharArea charArea = ((UGraphicTxt) ug).getCharArea();
		final int width = (int) dimensionToUse.getWidth();
		final int height = (int) dimensionToUse.getHeight();
		charArea.drawVLine(using, (width - 1) / 2, MAGIC_NUMBER, height);
//		if (using == '.') {
//			charArea.drawVLine(using, (width - 1) / 2, -3, height);
//		} else {
//			charArea.drawVLine(using, (width - 1) / 2, 0, height);
//		}
	}

	public double getPreferredHeight(StringBounder stringBounder) {
		return 0;
	}

	public double getPreferredWidth(StringBounder stringBounder) {
		return 3;
	}

}