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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.klimt.shape;

import net.atmp.SpecialText;
import net.sourceforge.plantuml.klimt.Fashion;
import net.sourceforge.plantuml.klimt.Shadowable;
import net.sourceforge.plantuml.klimt.UPath;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;

public class BigFrame extends AbstractTextBlock {
    // ::remove file when __HAXE__
	
	private final TextBlock title;
	private final double width;
	private final double height;
	private final Fashion symbolContext;

	public BigFrame(final TextBlock title, final double width, final double height, final Fashion symbolContext) {
		this.title = title;
		this.width = width;
		this.height = height;
		this.symbolContext = symbolContext;
	}

	private double getYpos(XDimension2D dimTitle) {
		if (dimTitle.getWidth() == 0)
			return 12;

		return dimTitle.getHeight() + 3;
	}

	public void drawU(UGraphic ug) {
		final StringBounder stringBounder = ug.getStringBounder();
		final XDimension2D dim = calculateDimension(stringBounder);
		ug = symbolContext.apply(ug);
		final XDimension2D dimTitle = title.calculateDimension(stringBounder);
		final double widthFull = dim.getWidth();
		final Shadowable rectangle = URectangle.build(widthFull, dim.getHeight()).rounded(symbolContext.getRoundCorner())
				.ignoreForCompressionOnX().ignoreForCompressionOnY();
		rectangle.setDeltaShadow(symbolContext.getDeltaShadow());

		ug.draw(rectangle);

		final double textWidth;
		final int cornersize;
		if (dimTitle.getWidth() == 0) {
			textWidth = widthFull / 3;
			cornersize = 7;
		} else {
			textWidth = dimTitle.getWidth() + 10;
			cornersize = 10;
		}
		final double textHeight = getYpos(dimTitle);

		final UPath line = UPath.none();
		line.setIgnoreForCompressionOnX();
		line.moveTo(textWidth, 0);

		line.lineTo(textWidth, textHeight - cornersize);
		line.lineTo(textWidth - cornersize, textHeight);

		line.lineTo(0, textHeight);
		ug.apply(HColors.none().bg()).draw(line);
		final double widthTitle = title.calculateDimension(stringBounder).getWidth();

		// Temporary hack...
		if (widthFull - widthTitle < 25)
			title.drawU(ug.apply(new UTranslate(3, 1)));
		else
			ug.apply(new UTranslate(3, 1)).draw(new SpecialText(title));

	}

	@Override
	public XDimension2D calculateDimension(StringBounder stringBounder) {
		return new XDimension2D(width, height);
	}

}