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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!)
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 *
 * 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
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 * 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.geom;

public class XRectangle2D {

	public final double x;
	public final double y;
	public final double width;
	public final double height;

	public XRectangle2D(double x, double y, double width, double height) {
		this.x = x;
		this.y = y;
		this.width = width;
		this.height = height;

	}

	public double getWidth() {
		return width;
	}

	public double getHeight() {
		return height;
	}

	public double getX() {
		return x;
	}

	public double getY() {
		return y;
	}

	public double getCenterX() {
		return x + width / 2;
	}

	public double getCenterY() {
		return y + height / 2;
	}

	public double getMinX() {
		return x;
	}

	public double getMaxX() {
		return x + width;
	}

	public double getMinY() {
		return y;
	}

	public double getMaxY() {
		return y + height;
	}

	public boolean intersects(XRectangle2D other) {
		return intersects(other.getX(), other.getY(), other.getWidth(), other.getHeight());
	}

	private boolean intersects(double x, double y, double w, double h) {
		return w > 0 && h > 0 && getWidth() > 0 && getHeight() > 0 && x < getX() + getWidth() && x + w > getX()
				&& y < getY() + getHeight() && y + h > getY();
	}

	public boolean contains(XPoint2D point) {
		throw new UnsupportedOperationException();
	}

	public boolean contains(double xp, double yp) {
		if (width <= 0 || height <= 0)
			throw new IllegalStateException();
		return xp >= getMinX() && xp < getMaxX() && yp >= getMinY() && yp < getMaxY();
	}

	public XPoint2D intersect(XLine2D line) {
		final XPoint2D a = new XPoint2D(x, y);
		final XPoint2D b = new XPoint2D(x + width, y);
		final XPoint2D c = new XPoint2D(x + width, y + height);
		final XPoint2D d = new XPoint2D(x, y + height);
		final XLine2D line1 = XLine2D.line(a, b);
		final XLine2D line2 = XLine2D.line(b, c);
		final XLine2D line3 = XLine2D.line(c, d);
		final XLine2D line4 = XLine2D.line(d, a);

		XPoint2D result = line.intersect(line1);
		if (result != null)
			return result;
		result = line.intersect(line2);
		if (result != null)
			return result;
		result = line.intersect(line3);
		if (result != null)
			return result;
		result = line.intersect(line4);
		if (result != null)
			return result;

		return null;
	}

}