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/AbstractLinePlacement.java

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


  		




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import org.gvsig.tools.task.Cancellable;


  		




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/**


  		




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 *


  		




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 * AbstractLinePlacement.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 abstract class AbstractLinePlacement implements ILabelPlacement {


  		




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	public static final double PI = Math.PI;


  		




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	public static final double HALF_PI = PI * 0.5;


  		




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	private ArrayList<LabelLocationMetrics> guessed =


  		




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			new ArrayList<LabelLocationMetrics>();


  		




  
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	private final ArrayList<LabelLocationMetrics> guessed =


  		




  
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			new ArrayList<>();


  		




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	private static final double TOLERANCE = 1E-2;


  		




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    @Override


  		




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	public ArrayList<LabelLocationMetrics> guess(ILabelClass lc, Geometry geom,


  		




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			IPlacementConstraints pc, double cartographicSymbolSize,


  		




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			Cancellable cancel, ViewPort vp) {


  		




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		LabelLocationMetrics initial = initialLocation(lc, pc, pathLen, cancel);


  		




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		if (cancel.isCanceled()) return CannotPlaceLabel.NO_PLACES;


  		




  
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		if (cancel.isCanceled()) {


  		




  
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            return CannotPlaceLabel.NO_PLACES;


  		




  
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        }


  		




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		double theta = initial.getRotation();


  		




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