net.sourceforge.plantuml.ugraphic.PlacementStrategyVisibility 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 2009-2023, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://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.ugraphic;

import net.sourceforge.plantuml.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;

import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;

public class PlacementStrategyVisibility extends AbstractPlacementStrategy {

	private final int col2;

	public PlacementStrategyVisibility(StringBounder stringBounder, int col2) {
		super(stringBounder);
		this.col2 = col2;
	}

	public Map getPositions(double width, double height) {
		final Map result = new LinkedHashMap();
		double y = 0;
		for (final Iterator> it = getDimensions().entrySet().iterator(); it.hasNext();) {
			final Map.Entry ent1 = it.next();
			final Map.Entry ent2 = it.next();
			final double height1 = ent1.getValue().getHeight();
			final double height2 = ent2.getValue().getHeight();
			final double maxHeight12 = Math.max(height1, height2);
			// result.put(ent1.getKey(), new Point2D.Double(0, 2 + y + (maxHeight - height1) / 2));
			result.put(ent1.getKey(), new Point2D.Double(0, 2 + y));
			result.put(ent2.getKey(), new Point2D.Double(col2, y + (maxHeight12 - height2) / 2));
			y += maxHeight12;
		}
		return result;
	}

}