net.sourceforge.plantuml.klimt.geom.USegment Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of plantuml-lgpl Show documentation
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.geom;

// ::comment when __HAXE__
import java.awt.geom.AffineTransform;
import java.util.Arrays;

public class USegment {

	private final double coord[];
	private final USegmentType pathType;

	public USegment(double[] coord, USegmentType pathType) {
		this.coord = coord.clone();
		this.pathType = pathType;
	}

	// ::comment when __HAXE__
	@Override
	public String toString() {
		return pathType.toString() + " " + Arrays.toString(coord);
	}

	public final double[] getCoord() {
		return coord;
	}

	public final USegmentType getSegmentType() {
		return pathType;
	}

	public USegment translate(double dx, double dy) {

		if (pathType == USegmentType.SEG_ARCTO)
			return new USegment(
					new double[] { coord[0], coord[1], coord[2], coord[3], coord[4], coord[5] + dx, coord[6] + dy },
					pathType);

		if (coord.length != 2)
			throw new UnsupportedOperationException();

		XPoint2D p1 = new XPoint2D(coord[0] + dx, coord[1] + dy);
		return new USegment(new double[] { p1.getX(), p1.getY() }, pathType);
	}

	// ::comment when __HAXE__
	public USegment rotate(double theta) {
		if (coord.length != 2)
			throw new UnsupportedOperationException();

		XPoint2D p1 = new XPoint2D(coord[0], coord[1]);
		final AffineTransform rotate = AffineTransform.getRotateInstance(theta);
		p1 = p1.transform(rotate);

		return new USegment(new double[] { p1.getX(), p1.getY() }, pathType);
	}

	public USegment affine(AffineTransform transform, double angle, double scale) {
		if (pathType == USegmentType.SEG_ARCTO) {
			XPoint2D p1 = new XPoint2D(coord[5], coord[6]);

			p1 = p1.transform(transform);

			final double large_arc_flag = coord[3];
			final double sweep_flag = coord[4];
			return new USegment(new double[] { coord[0] * scale, coord[1] * scale, coord[2] + angle, large_arc_flag,
					sweep_flag, p1.getX(), p1.getY() }, pathType);
		}

		if (coord.length != 2)
			throw new UnsupportedOperationException();
		XPoint2D p1 = new XPoint2D(coord[0], coord[1]);
		p1 = p1.transform(transform);

		return new USegment(new double[] { p1.getX(), p1.getY() }, pathType);
	}

}