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PlantUML is a component that allows to quickly write diagrams from text.
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// 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 Apache Software License.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 APACHE license.
 *
 * The generated images can then be used without any reference to the APACHE 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.drawing.visio;

import java.io.IOException;
import java.io.OutputStream;

public class VisioLine implements VisioShape {

	private final int id;
	private final double x1;
	private final double y1;
	private final double x2;
	private final double y2;

	public static VisioLine createInches(int id, double x1, double y1, double x2, double y2) {
		return new VisioLine(id, toInches(x1), toInches(y1), toInches(x2), toInches(y2));
	}

	private VisioLine(int id, double x1, double y1, double x2, double y2) {
		if (x1 < 0 || y1 < 0 || x2 < 0 || y2 < 0) {
			throw new IllegalArgumentException();
		}
		this.id = id;
		this.x1 = x1;
		this.y1 = y1;
		this.x2 = x2;
		this.y2 = y2;
	}

	public VisioShape yReverse(double maxY) {
		return new VisioLine(id, x1, maxY - y1, x2, maxY - y2);
	}

	private static double toInches(double val) {
		return val / 72.0;
	}

	public void print(OutputStream os) throws IOException {
		out(os, "");
		out(os, "");
		final double ddx = x2 - x1;
		final double ddy = y2 - y1;
		out(os, "" + ((x1 + x2) / 2) + "");
		out(os, "" + ((y1 + y2) / 2) + "");
		final double len = Math.sqrt(ddx * ddx + ddy * ddy);
		out(os, "" + len + "");
		out(os, "0");
		out(os, "" + (len / 2) + "");
		out(os, "0");
		final double atan2 = Math.atan2(ddy, ddx);
		out(os, "" + atan2 + "");
		out(os, "0");
		out(os, "0");
		out(os, "0");
		out(os, "");
		out(os, "");
		out(os, "" + x1 + "");
		out(os, "" + y1 + "");
		out(os, "" + x2 + "");
		out(os, "" + y2 + "");
		out(os, "");
		out(os, "");
		out(os, "1");
		out(os, "0");
		out(os, "0");
		out(os, "0");
		out(os, "");
		out(os, "0");
		out(os, "0");
		out(os, "");
		out(os, "");
		out(os, "" + len + "");
		out(os, "0");
		out(os, "");
		out(os, "");
		out(os, "");
	}

	private void out(OutputStream os, String s) throws IOException {
		os.write(s.getBytes());
		os.write("\n".getBytes());
	}

}