net.sourceforge.plantuml.ugraphic.visio.VisioLine Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write : * sequence diagram, * use case diagram, * class diagram, * activity diagram, * component diagram, * state diagram * object diagram

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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2013, Arnaud Roques
 *
 * Project Info:  http://plantuml.sourceforge.net
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU 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 General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * Original Author:  Arnaud Roques
 * 
 * Revision $Revision: 10277 $
 *
 */
package net.sourceforge.plantuml.ugraphic.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());
	}

}