Revision 43510 trunk/org.gvsig.desktop/org.gvsig.desktop.plugin/org.gvsig.labeling.app/org.gvsig.labeling.app.mainplugin/src/main/java/org/gvsig/labeling/placements/LinePlacementInTheMiddle.java

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LinePlacementInTheMiddle.java
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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/**
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 * gvSIG. Desktop Geographic Information System.
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 *
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 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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 * Copyright (C) 2007-2013 gvSIG Association.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * as published by the Free Software Foundation; either version 3
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 * of the License, or (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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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; 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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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 * For any additional information, do not hesitate to contact us
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 * at info AT gvsig.com, or visit our website www.gvsig.com.
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 */
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package org.gvsig.labeling.placements;
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import java.awt.geom.Point2D;


  		




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import org.apache.batik.ext.awt.geom.PathLength;


  		




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import org.gvsig.fmap.geom.Geometry;


  		




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import org.gvsig.fmap.geom.Geometry.TYPES;


  		




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import org.gvsig.fmap.geom.GeometryLocator;


  		




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import org.gvsig.fmap.geom.type.GeometryType;


  		




  
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import org.gvsig.fmap.geom.GeometryManager;


  		




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import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass;


  		




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import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints;


  		




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import org.gvsig.symbology.fmap.mapcontext.rendering.legend.styling.LabelLocationMetrics;


  		




  ......




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import org.slf4j.Logger;


  		




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import org.slf4j.LoggerFactory;


  		




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/**


  		




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 *


  		




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 * LinePlacementInTheMiddle.java


  		




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 *


  		




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 *


  		




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 * @author jaume dominguez faus - jaume.dominguez@iver.es Dec 17, 2007


  		




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 *


  		




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 */


  		




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public class LinePlacementInTheMiddle extends AbstractLinePlacement {


  		




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	private static Logger logger =


  		




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			LoggerFactory.getLogger(LinePlacementInTheMiddle.class);


  		




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    @Override


  		




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	public boolean isSuitableFor(


  		




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			IPlacementConstraints placementConstraints,


  		




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			int shapeType) {


  		




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		GeometryType gt = null;


  		




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		try {


  		




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			gt = GeometryLocator.getGeometryManager().getGeometryType(


  		




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					shapeType, Geometry.SUBTYPES.GEOM2D);


  		




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		} catch (Exception e) {


  		




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			logger.error("While getting aux geo type.", e);


  		




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		}


  		




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		if (gt.isTypeOf(TYPES.CURVE)


  		




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				|| shapeType == TYPES.MULTICURVE) {


  		




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        GeometryManager geomManager = GeometryLocator.getGeometryManager();


  		




  
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        if( geomManager.isSubtype(TYPES.CURVE, shapeType) ||


  		




  
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            geomManager.isSubtype(TYPES.MULTICURVE, shapeType) ) {


  		




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			return placementConstraints != null &&


  		




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			   placementConstraints.isInTheMiddleOfLine()


  		




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			  /* && !placementConstraints.isFollowingLine()*/;


  		




  ......




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	}


  		




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    @Override


  		




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	public LabelLocationMetrics initialLocation(ILabelClass lc,


  		




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			IPlacementConstraints pc, PathLength pathLen, Cancellable cancel) {


  		




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		if (cancel.isCanceled()) return null;


  		




  
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		if (cancel.isCanceled()) {


  		




  
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            return null;


  		




  
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        }


  		




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		float length = pathLen.lengthOfPath();


  		




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		float distance = (float) (length * 0.5);


  		












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