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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 General Public License V2.
 *
 * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 * LICENSE ("AGREEMENT"). [GNU General Public License V2]
 *
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
 *
 * You may obtain a copy of the License at
 *
 * https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 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 GPL v2 license.
 *
 * The generated images can then be used without any reference to the GPL v2 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.sdot;

import h.ST_Agnode_s;
import h.ST_Agnodeinfo_t;
import h.ST_Agraphinfo_t;
import h.ST_boxf;
import h.ST_textlabel_t;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;

public class BoxInfo {

	private final XPoint2D upperRight;
	private final XPoint2D lowerLeft;

	private BoxInfo(XPoint2D upperRight, XPoint2D lowerLeft) {
		this.upperRight = upperRight;
		this.lowerLeft = lowerLeft;
	}

	public static BoxInfo fromTextlabel(ST_textlabel_t label) {
		final double x = label.pos.x;
		final double y = label.pos.y;
		final double width = label.dimen.x;
		final double height = label.dimen.y;

		final XPoint2D upperRight = new XPoint2D(x + width / 2, y - height / 2);
		final XPoint2D lowerLeft = new XPoint2D(x - width / 2, y + height / 2);
		return new BoxInfo(upperRight, lowerLeft);

	}

	public static BoxInfo fromNode(ST_Agnode_s node) {
		final ST_Agnodeinfo_t data = (ST_Agnodeinfo_t) node.data;
		final double width = data.width * 72;
		final double height = data.height * 72;
		final double x = data.coord.x;
		final double y = data.coord.y;

		final XPoint2D upperRight = new XPoint2D(x + width / 2, y - height / 2);
		final XPoint2D lowerLeft = new XPoint2D(x - width / 2, y + height / 2);
		return new BoxInfo(upperRight, lowerLeft);
	}

	public XDimension2D getDimension() {
		final double width = upperRight.getX() - lowerLeft.getX();
		final double height = lowerLeft.getY() - upperRight.getY();
		return new XDimension2D(width, height);
	}

	public static BoxInfo fromGraphInfo(ST_Agraphinfo_t data) {
		final ST_boxf bb = (ST_boxf) data.bb;
		final double llx = bb.LL.x;
		final double lly = bb.LL.y;
		final double urx = bb.UR.x;
		final double ury = bb.UR.y;

		final XPoint2D upperRight = new XPoint2D(urx, ury);
		final XPoint2D lowerLeft = new XPoint2D(llx, lly);
		return new BoxInfo(upperRight, lowerLeft);
	}

	public final XPoint2D getUpperRight() {
		return upperRight;
	}

	public final XPoint2D getLowerLeft() {
		return lowerLeft;
	}

}