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package de.lmu.ifi.dbs.elki.visualization.style.marker;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import org.apache.batik.util.SVGConstants;
import org.w3c.dom.Element;
import de.lmu.ifi.dbs.elki.visualization.colors.ColorLibrary;
import de.lmu.ifi.dbs.elki.visualization.style.StyleLibrary;
import de.lmu.ifi.dbs.elki.visualization.svg.SVGPlot;
import de.lmu.ifi.dbs.elki.visualization.svg.SVGUtil;
/**
* Simple marker library that just draws colored crosses at the given coordinates.
*
* @author Erich Schubert
*
* @apiviz.composedOf ColorLibrary
*/
public class MinimalMarkers implements MarkerLibrary {
/**
* Color library
*/
private ColorLibrary colors;
/**
* Constructor
*
* @param style Style library to use
*/
public MinimalMarkers(StyleLibrary style) {
super();
this.colors = style.getColorSet(StyleLibrary.PLOT);
}
/**
* Use a given marker on the document.
*/
@Override
public Element useMarker(SVGPlot plot, Element parent, double x, double y, int stylenr, double size) {
Element marker = plot.svgRect(x - size / 2, y - size / 2, size, size);
SVGUtil.setStyle(marker, SVGConstants.CSS_FILL_PROPERTY+":" + colors.getColor(stylenr));
parent.appendChild(marker);
return marker;
}
}
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