mirror of https://github.com/octoleo/plantuml.git
76 lines
2.5 KiB
Java
76 lines
2.5 KiB
Java
/*
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* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details
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* (http://www.gnu.org/copyleft/lesser.html).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package jcckit.plot;
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import jcckit.graphic.GraphPoint;
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import jcckit.util.ConfigParameters;
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/**
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* An immutable {@link Hint} capsulating two {@link GraphPoint GraphPoints}.
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*
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* @author Franz-Josef Elmer
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*/
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public class PositionHint implements Hint {
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/** Configuration parameter key. */
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public static final String POSITION_KEY = "position",
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ORIGIN_KEY = "origin";
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private final GraphPoint _position;
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private final GraphPoint _origin;
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/**
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* Creates an instance from the specified configuration parameters.
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* <table border=1 cellpadding=5>
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* <tr><th>Key & Default Value</th><th>Type</th><th>Mandatory</th>
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* <th>Description</th></tr>
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* <tr><td><tt>position = null</tt></td>
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* <td><tt>double[]</tt></td><td>no</td>
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* <td>Definition of position.</td></tr>
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* <tr><td><tt>origin = position</tt> or (0,0) if <tt>position</tt>
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* undefined</td>
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* <td><tt>double[]</tt></td><td>no</td>
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* <td>Definition of origin.</td></tr>
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* </table>
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*/
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public PositionHint(ConfigParameters config) {
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double[] point = config.getDoubleArray(POSITION_KEY, null);
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_position = point == null ? null : new GraphPoint(point);
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_origin = new GraphPoint(config.getDoubleArray(ORIGIN_KEY, point));
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}
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/**
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* Creates an instance based on two points.
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* @param origin The origin.
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* @param position The position.
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*/
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public PositionHint(GraphPoint origin, GraphPoint position) {
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_origin = origin;
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_position = position;
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}
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/** Returns the position. */
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public GraphPoint getPosition() {
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return _position;
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}
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/** Returns the origin. */
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public GraphPoint getOrigin() {
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return _origin;
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}
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}
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