svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.labeling.app / org.gvsig.labeling.app.mainplugin / src / main / java / org / gvsig / labeling / label / GeneralLabelingStrategy.java @ 42555
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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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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* 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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* 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 General Public License for more details.
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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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*
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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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*/
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/* CVS MESSAGES:
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*
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* $Id: GeneralLabelingStrategy.java 13749 2007-09-17 14:16:11Z jaume $
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* $Log$
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* Revision 1.2 2007-09-17 14:16:11 jaume
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* multilayer symbols sizing bug fixed
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*
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* Revision 1.1 2007/05/22 12:17:41 jaume
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* *** empty log message ***
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*
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* Revision 1.1 2007/05/22 10:05:31 jaume
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* *** empty log message ***
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*
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* Revision 1.10 2007/05/17 09:32:06 jaume
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* *** empty log message ***
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*
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* Revision 1.9 2007/05/09 11:04:58 jaume
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* refactored legend hierarchy
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*
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* Revision 1.8 2007/04/13 11:59:30 jaume
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* *** empty log message ***
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*
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* Revision 1.7 2007/04/12 14:28:43 jaume
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* basic labeling support for lines
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*
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* Revision 1.6 2007/04/11 16:01:08 jaume
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* maybe a label placer refactor
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*
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* Revision 1.5 2007/04/10 16:34:01 jaume
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* towards a styled labeling
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*
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* Revision 1.4 2007/04/02 16:34:56 jaume
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* Styled labeling (start commiting)
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*
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* Revision 1.3 2007/03/28 16:48:01 jaume
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* *** empty log message ***
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*
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* Revision 1.2 2007/03/26 14:40:38 jaume
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* added print method (BUT UNIMPLEMENTED)
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*
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* Revision 1.1 2007/03/20 16:16:20 jaume
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* refactored to use ISymbol instead of FSymbol
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*
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* Revision 1.2 2007/03/09 11:20:57 jaume
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* Advanced symbology (start committing)
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*
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* Revision 1.1 2007/03/09 08:33:43 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.5 2007/02/21 07:34:08 jaume
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* labeling starts working
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*
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* Revision 1.1.2.4 2007/02/15 16:23:44 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.3 2007/02/09 07:47:05 jaume
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* Isymbol moved
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*
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* Revision 1.1.2.2 2007/02/02 16:21:24 jaume
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* start commiting labeling stuff
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*
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* Revision 1.1.2.1 2007/02/01 17:46:49 jaume
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* *** empty log message ***
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*
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*
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*/
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package org.gvsig.labeling.label; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.TreeMap; |
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import java.util.TreeSet; |
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import org.gvsig.compat.print.PrintAttributes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.GeometryException; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.aggregate.MultiPrimitive; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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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.ILabelingMethod; |
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import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelingStrategy; |
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import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints; |
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import org.gvsig.fmap.mapcontext.rendering.legend.styling.IZoomConstraints; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
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import org.gvsig.i18n.Messages; |
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import org.gvsig.labeling.lang.LabelClassUtils; |
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import org.gvsig.labeling.placements.ILabelPlacement; |
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import org.gvsig.labeling.placements.LinePlacementConstraints; |
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import org.gvsig.labeling.placements.MultiShapePlacementConstraints; |
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import org.gvsig.labeling.placements.PlacementManager; |
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import org.gvsig.labeling.placements.PointPlacementConstraints; |
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import org.gvsig.labeling.placements.PolygonPlacementConstraints; |
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import org.gvsig.labeling.placements.RemoveDuplicatesComparator; |
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import org.gvsig.labeling.symbol.SmartTextSymbol; |
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import org.gvsig.labeling.symbol.SymbolUtils; |
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import org.gvsig.symbology.SymbologyLocator; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.legend.styling.LabelLocationMetrics; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.locator.LocatorException; |
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import org.gvsig.tools.persistence.PersistenceManager; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.exception.PersistenceException; |
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import org.gvsig.tools.task.Cancellable; |
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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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* GeneralLabelingStrategy.java
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*
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es Jan 4, 2008
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*
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*/
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public class GeneralLabelingStrategy implements ILabelingStrategy, Cloneable, |
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CartographicSupport {
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private static final Logger logger = LoggerFactory |
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.getLogger(GeneralLabelingStrategy.class); |
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public static final String GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME = "GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME"; |
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public static PointPlacementConstraints DefaultPointPlacementConstraints = new PointPlacementConstraints(); |
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public static LinePlacementConstraints DefaultLinePlacementConstraints = new LinePlacementConstraints(); |
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public static PolygonPlacementConstraints DefaultPolygonPlacementConstraints = new PolygonPlacementConstraints(); |
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private static String[] NO_TEXT = { Messages.getText("text_field") }; |
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private static MultiShapePlacementConstraints DefaultMultiShapePlacementConstratints = new MultiShapePlacementConstraints(); |
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private ILabelingMethod method;
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private IPlacementConstraints placementConstraints;
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private IZoomConstraints zoomConstraints;
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private boolean allowOverlapping; |
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protected FLyrVect layer;
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// private long parseTime;
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private int unit; |
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private int referenceSystem; |
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// private double sizeAfter;
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private boolean printMode = false; /* |
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* indicate whether output is for a
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* print product (PDF, PS, ...)
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*/
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public GeneralLabelingStrategy() {
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method = SymbologyLocator.getSymbologyManager() |
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.createDefaultLabelingMethod(); |
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} |
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public void setLayer(FLayer layer) { |
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FLyrVect l = (FLyrVect) layer; |
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this.layer = l;
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} |
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public ILabelingMethod getLabelingMethod() {
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return method;
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} |
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public void setLabelingMethod(ILabelingMethod method) { |
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this.method = method;
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} |
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private class GeometryItem { |
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public Geometry geom = null; |
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public int weigh = 0; |
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public double savedPerimeter; |
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public GeometryItem(Geometry geom, int weigh) { |
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this.geom = geom;
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this.weigh = weigh;
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this.savedPerimeter = 0; |
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} |
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} |
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public void draw(BufferedImage mapImage, Graphics2D mapGraphics, |
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double scale, ViewPort viewPort, Cancellable cancel, double dpi) |
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throws ReadException {
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int x = (int) viewPort.getOffset().getX(); |
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int y = (int) viewPort.getOffset().getY(); |
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// offsets for page generation (PDF, PS, direct printing)
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int print_offset_x = x;
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int print_offset_y = y;
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if (printMode) {
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// for printing, we never offset the labels themselves
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x = 0;
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y = 0;
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printMode = false;
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} |
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TreeMap<String[], GeometryItem> labelsToPlace = null; |
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String[] usedFields = getUsedFields(); |
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int notPlacedCount = 0; |
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int placedCount = 0; |
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/*
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* Get the label placement solvers according the user's settings
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*/
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ILabelPlacement placement = PlacementManager.getPlacement( |
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getPlacementConstraints(), layer.getShapeType()); |
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BufferedImage targetBI;
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Graphics2D targetGr;
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/*
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* get an ordered set of the LabelClasses up on the label priority
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*/
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ILabelClass[] lcs = method.getLabelClasses();
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TreeSet<ILabelClass> ts = new TreeSet<ILabelClass>( |
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new LabelClassComparatorByPriority());
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for (int i = 0; i < lcs.length; i++) |
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ts.add(lcs[i]); |
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if (ts.size() == 0) |
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return;
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/*
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* now we have an ordered set, it is only need to give a pass for each
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* label class to render by priorities.
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*
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* If no priorities were defined, the following loop only executes once
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*/
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for (ILabelClass lc : ts) {
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if (!lc.isVisible(scale)) {
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/*
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* Avoid non-visible labels
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*/
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continue;
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} |
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FeatureSet fset = null;
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DisposableIterator diter = null;
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try {
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try {
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fset = method.getFeatureIteratorByLabelClass(layer, lc, |
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viewPort, usedFields); |
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} catch (DataException e) {
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throw new ReadException(layer.getFeatureStore() |
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.getProviderName(), e); |
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} |
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// duplicates treatment stuff
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/* handle the duplicates mode */
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int duplicateMode = getDuplicateLabelsMode();
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if (duplicateMode == IPlacementConstraints.REMOVE_DUPLICATE_LABELS) {
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// we need to register the labels already placed
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labelsToPlace = new TreeMap<String[], GeometryItem>( |
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new RemoveDuplicatesComparator());
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} |
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boolean bLabelsReallocatable = !isAllowingOverlap();
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BufferedImage overlapDetectImage = null; |
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Graphics2D overlapDetectGraphics = null; |
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if (bLabelsReallocatable) {
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int width = viewPort.getImageWidth() + print_offset_x;
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if (width < 0) { |
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width = 1;
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} |
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int height = viewPort.getImageHeight() + print_offset_y;
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if (height < 0) { |
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height = 1;
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} |
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if (mapImage != null) |
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overlapDetectImage = new BufferedImage( |
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mapImage.getWidth() + print_offset_x, |
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mapImage.getHeight() + print_offset_y, |
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BufferedImage.TYPE_INT_ARGB);
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else
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overlapDetectImage = new BufferedImage( |
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viewPort.getImageWidth() + print_offset_x, |
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viewPort.getImageHeight() + print_offset_y, |
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BufferedImage.TYPE_INT_ARGB);
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overlapDetectGraphics = overlapDetectImage.createGraphics(); |
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overlapDetectGraphics.setRenderingHints(mapGraphics |
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.getRenderingHints()); |
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} |
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if (bLabelsReallocatable) {
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targetBI = overlapDetectImage; |
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targetGr = overlapDetectGraphics; |
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targetGr.translate(-x, -y); |
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} else {
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targetBI = mapImage; |
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targetGr = mapGraphics; |
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} |
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try {
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diter = fset.fastIterator(); |
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} catch (DataException e) {
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throw new ReadException(layer.getFeatureStore() |
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.getProviderName(), e); |
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} |
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Feature featu = null;
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Geometry geome = null;
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while (!cancel.isCanceled() && diter.hasNext()) {
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featu = (Feature) diter.next(); |
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geome = featu.getDefaultGeometry(); |
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if (geome == null || geome.getType() == Geometry.TYPES.NULL) { |
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continue;
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} |
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if (!setupLabel(featu, lc, cancel, usedFields, viewPort,
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dpi, duplicateMode)) {
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continue;
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} |
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String[] texts = lc.getTexts(); |
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if (duplicateMode == IPlacementConstraints.REMOVE_DUPLICATE_LABELS) {
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// check if this text (so label) is already present in
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// the map
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GeometryItem item = labelsToPlace.get(texts); |
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if (item == null) { |
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item = new GeometryItem(geome, 0); |
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labelsToPlace.put(texts, item); |
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} |
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if (item.geom != null) { |
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notPlacedCount++; |
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if (geome.getType() != Geometry.TYPES.POINT) {
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Envelope auxBox = geome.getEnvelope(); |
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double perimeterAux = 2 * (auxBox.getLength(0) + auxBox |
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.getLength(1));
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if (perimeterAux > item.savedPerimeter) {
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item.geom = geome; // FConverter.jts_to_igeometry(jtsGeom);
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item.savedPerimeter = perimeterAux; |
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} |
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} else {
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int weigh = item.weigh;
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try {
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Point pointFromLabel = item.geom.centroid();
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Point pointGeome = geome.centroid();
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item.geom = GeometryLocator |
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.getGeometryManager() |
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.createPoint( |
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(pointFromLabel.getX() |
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* weigh + pointGeome.getX()) |
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/ (weigh + 1),
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(pointFromLabel.getY() |
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* weigh + pointGeome |
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.getY()) |
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/ (weigh + 1),
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Geometry.SUBTYPES.GEOM2D); |
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} catch (Exception ex) { |
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throw new ReadException(layer |
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.getFeatureStore() |
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.getProviderName(), ex); |
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} |
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} |
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} else {
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item.geom = geome; |
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} |
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item.weigh++; |
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} else {
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// Check if size is a pixel
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if (isOnePoint(viewPort, geome)) {
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continue;
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} |
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List<Geometry> geome_parts = new ArrayList<Geometry>(); |
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if (duplicateMode == IPlacementConstraints.ONE_LABEL_PER_FEATURE_PART) {
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geome_parts = getGeometryParts(geome); |
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} else {
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geome_parts.add(geome); |
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} |
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try {
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int n = geome_parts.size();
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for (int k = 0; k < n; k++) { |
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drawLabelInGeom(targetBI, targetGr, lc, |
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placement, viewPort, |
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geome_parts.get(k), cancel, dpi, |
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bLabelsReallocatable); |
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} |
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} catch (GeometryException e) {
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throw new ReadException(layer.getFeatureStore() |
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.getProviderName(), e); |
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} |
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placedCount++; |
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} |
| 468 |
} |
| 469 |
|
| 470 |
// ======= End iteration in feature set ====================
|
| 471 |
|
| 472 |
if (duplicateMode == IPlacementConstraints.REMOVE_DUPLICATE_LABELS) {
|
| 473 |
Iterator<String[]> textsIt = labelsToPlace.keySet() |
| 474 |
.iterator(); |
| 475 |
while (!cancel.isCanceled() && textsIt.hasNext()) {
|
| 476 |
notPlacedCount++; |
| 477 |
String[] texts = textsIt.next(); |
| 478 |
|
| 479 |
GeometryItem item = labelsToPlace.get(texts); |
| 480 |
if (item != null) { |
| 481 |
lc.setTexts(texts); |
| 482 |
// Check if size is a pixel
|
| 483 |
if (isOnePoint(viewPort, item.geom)) {
|
| 484 |
continue;
|
| 485 |
} |
| 486 |
|
| 487 |
try {
|
| 488 |
drawLabelInGeom(targetBI, targetGr, lc, |
| 489 |
placement, viewPort, item.geom, cancel, |
| 490 |
dpi, bLabelsReallocatable); |
| 491 |
} catch (GeometryException e) {
|
| 492 |
throw new ReadException(layer.getFeatureStore() |
| 493 |
.getProviderName(), e); |
| 494 |
} |
| 495 |
} |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
if (bLabelsReallocatable) {
|
| 500 |
targetGr.translate(x, y); |
| 501 |
if (mapImage != null) { |
| 502 |
mapGraphics.drawImage(overlapDetectImage, null, null); |
| 503 |
} else {
|
| 504 |
mapGraphics.drawImage(overlapDetectImage, null, null); |
| 505 |
} |
| 506 |
} |
| 507 |
|
| 508 |
} finally {
|
| 509 |
if (diter != null) { |
| 510 |
diter.dispose(); |
| 511 |
} |
| 512 |
if (fset != null){ |
| 513 |
fset.dispose(); |
| 514 |
} |
| 515 |
} |
| 516 |
} // big iteration
|
| 517 |
|
| 518 |
} |
| 519 |
|
| 520 |
private List<Geometry> getGeometryParts(Geometry ge) { |
| 521 |
|
| 522 |
List<Geometry> resp = new ArrayList<Geometry>(); |
| 523 |
if (ge != null) { |
| 524 |
if (ge instanceof MultiPrimitive) { |
| 525 |
MultiPrimitive mp = (MultiPrimitive) ge; |
| 526 |
int n = mp.getPrimitivesNumber();
|
| 527 |
for (int i = 0; i < n; i++) { |
| 528 |
resp.add(mp.getPrimitiveAt(i)); |
| 529 |
} |
| 530 |
} else {
|
| 531 |
resp.add(ge); |
| 532 |
} |
| 533 |
} |
| 534 |
return resp;
|
| 535 |
} |
| 536 |
|
| 537 |
private void drawLabelInGeom(BufferedImage targetBI, Graphics2D targetGr, |
| 538 |
ILabelClass lc, ILabelPlacement placement, ViewPort viewPort, |
| 539 |
Geometry geom, Cancellable cancel, double dpi,
|
| 540 |
boolean bLabelsReallocatable) throws GeometryException { |
| 541 |
|
| 542 |
lc.toCartographicSize(viewPort, dpi, null);
|
| 543 |
ArrayList<LabelLocationMetrics> llm = null; |
| 544 |
llm = placement.guess(lc, geom, getPlacementConstraints(), 0, cancel,
|
| 545 |
viewPort); |
| 546 |
|
| 547 |
setReferenceSystem(lc.getReferenceSystem()); |
| 548 |
setUnit(lc.getUnit()); |
| 549 |
|
| 550 |
/*
|
| 551 |
* search if there is room left by the previous and with more priority
|
| 552 |
* labels, then check the current level
|
| 553 |
*/
|
| 554 |
lookupAndPlaceLabel(targetBI, targetGr, llm, placement, lc, geom, |
| 555 |
viewPort, cancel, bLabelsReallocatable); |
| 556 |
|
| 557 |
} |
| 558 |
|
| 559 |
private int getDuplicateLabelsMode() { |
| 560 |
if (getPlacementConstraints() == null) { |
| 561 |
return IPlacementConstraints.DefaultDuplicateLabelsMode;
|
| 562 |
} |
| 563 |
return getPlacementConstraints().getDuplicateLabelsMode();
|
| 564 |
} |
| 565 |
|
| 566 |
private boolean lookupAndPlaceLabel(BufferedImage bi, Graphics2D g, |
| 567 |
ArrayList<LabelLocationMetrics> llm, ILabelPlacement placement,
|
| 568 |
ILabelClass lc, Geometry geom, ViewPort viewPort, |
| 569 |
Cancellable cancel, boolean bLabelsReallocatable)
|
| 570 |
throws GeometryException {
|
| 571 |
|
| 572 |
int i;
|
| 573 |
for (i = 0; !cancel.isCanceled() && i < llm.size(); i++) { |
| 574 |
LabelLocationMetrics labelMetrics = llm.get(i); |
| 575 |
|
| 576 |
IPlacementConstraints pc = getPlacementConstraints(); |
| 577 |
if (pc instanceof MultiShapePlacementConstraints) { |
| 578 |
MultiShapePlacementConstraints mpc = (MultiShapePlacementConstraints) pc; |
| 579 |
|
| 580 |
GeometryManager gm = GeometryLocator.getGeometryManager(); |
| 581 |
GeometryType line_gt = null;
|
| 582 |
GeometryType polyg_gt = null;
|
| 583 |
GeometryType geom_gt = null;
|
| 584 |
|
| 585 |
line_gt = gm.getGeometryType(TYPES.CURVE, SUBTYPES.GEOM2D); |
| 586 |
polyg_gt = gm.getGeometryType(TYPES.SURFACE, SUBTYPES.GEOM2D); |
| 587 |
geom_gt = gm.getGeometryType(geom.getType(), SUBTYPES.GEOM2D); |
| 588 |
|
| 589 |
if (geom_gt.getType() == TYPES.POINT
|
| 590 |
|| geom_gt.getType() == TYPES.MULTIPOINT) {
|
| 591 |
pc = mpc.getPointConstraints(); |
| 592 |
} else {
|
| 593 |
if (geom_gt.isTypeOf(TYPES.CURVE)
|
| 594 |
|| geom_gt.getType() == TYPES.MULTICURVE) {
|
| 595 |
pc = mpc.getLineConstraints(); |
| 596 |
} else {
|
| 597 |
if (geom_gt.isTypeOf(TYPES.SURFACE)
|
| 598 |
|| geom_gt.getType() == TYPES.MULTISURFACE) {
|
| 599 |
pc = mpc.getPolygonConstraints(); |
| 600 |
} |
| 601 |
} |
| 602 |
} |
| 603 |
} |
| 604 |
|
| 605 |
/*
|
| 606 |
* Ver comentario en el metodo drawLabelInGeom
|
| 607 |
*/
|
| 608 |
if (bLabelsReallocatable) {
|
| 609 |
|
| 610 |
Geometry aux_geom = null;
|
| 611 |
aux_geom = lc.getShape(labelMetrics); |
| 612 |
|
| 613 |
if (!isOverlapping(bi, aux_geom)) {
|
| 614 |
|
| 615 |
if (!pc.isFollowingLine()) {
|
| 616 |
lc.draw(g, labelMetrics, geom); |
| 617 |
} else {
|
| 618 |
|
| 619 |
ILabelClass smsLc = new SmartTextSymbolLabelClass();
|
| 620 |
SmartTextSymbol sms = new SmartTextSymbol(
|
| 621 |
lc.getTextSymbol(), pc); |
| 622 |
|
| 623 |
double sizeBefore = lc.getTextSymbol().getFont()
|
| 624 |
.getSize(); |
| 625 |
double sizeAfter = SymbolUtils.getCartographicLength(
|
| 626 |
this, sizeBefore, viewPort, viewPort.getDPI());
|
| 627 |
sms.setFontSize(sizeAfter); |
| 628 |
|
| 629 |
smsLc.setTextSymbol(sms); |
| 630 |
geom.transform(viewPort.getAffineTransform()); |
| 631 |
smsLc.draw(g, null, geom);
|
| 632 |
sms.setFontSize(sizeBefore); |
| 633 |
|
| 634 |
} |
| 635 |
return true; |
| 636 |
} |
| 637 |
} else {
|
| 638 |
if (!pc.isFollowingLine()) {
|
| 639 |
lc.draw(g, labelMetrics, null);
|
| 640 |
} else {
|
| 641 |
ILabelClass smsLc = new SmartTextSymbolLabelClass();
|
| 642 |
SmartTextSymbol sms = new SmartTextSymbol(
|
| 643 |
lc.getTextSymbol(), pc); |
| 644 |
|
| 645 |
double sizeBefore = lc.getTextSymbol().getFont().getSize();
|
| 646 |
double sizeAfter = SymbolUtils.getCartographicLength(this, |
| 647 |
sizeBefore, viewPort, viewPort.getDPI()); |
| 648 |
sms.setFontSize(sizeAfter); |
| 649 |
|
| 650 |
smsLc.setTextSymbol(sms); |
| 651 |
geom.transform(viewPort.getAffineTransform()); |
| 652 |
smsLc.draw(g, null, geom);
|
| 653 |
|
| 654 |
sms.setFontSize(sizeBefore); |
| 655 |
} |
| 656 |
return true; |
| 657 |
} |
| 658 |
} |
| 659 |
return false; |
| 660 |
} |
| 661 |
|
| 662 |
/**
|
| 663 |
* Divide una cadena de caracteres por el caracter dos puntos siempre que no
|
| 664 |
* est? entre comillas.
|
| 665 |
*
|
| 666 |
* @param str
|
| 667 |
* Cadena de caracteres
|
| 668 |
*
|
| 669 |
* @return String[]
|
| 670 |
*
|
| 671 |
*/
|
| 672 |
private String[] divideExpression(String str) { |
| 673 |
ArrayList<String> r = new ArrayList<String>(); |
| 674 |
boolean inQuotationMarks = false; |
| 675 |
int lastIndex = 0; |
| 676 |
for (int i = 0; i < str.length(); i++) { |
| 677 |
String currentChar = str.substring(i, i + 1); |
| 678 |
if (currentChar.compareTo("\"") == 0 ) { |
| 679 |
inQuotationMarks = !inQuotationMarks; |
| 680 |
// Si es el cierre de las comillas
|
| 681 |
if(!inQuotationMarks){
|
| 682 |
r.add(str.substring(lastIndex, i + 1).replace("\"", "'")); |
| 683 |
lastIndex = i + 1;
|
| 684 |
} |
| 685 |
} |
| 686 |
if (currentChar.compareTo(":") == 0 |
| 687 |
&& !inQuotationMarks) {
|
| 688 |
if (lastIndex < i) {
|
| 689 |
r.add(str.substring(lastIndex, i)); |
| 690 |
} |
| 691 |
lastIndex = i + 1;
|
| 692 |
} |
| 693 |
} |
| 694 |
if (lastIndex < str.length() - 1) { |
| 695 |
r.add(str.substring(lastIndex)); |
| 696 |
} |
| 697 |
String[] result = new String[r.size()]; |
| 698 |
r.toArray(result); |
| 699 |
return result;
|
| 700 |
} |
| 701 |
|
| 702 |
/**
|
| 703 |
* Compute the texts to show in the label and store them in LabelClass.
|
| 704 |
*/
|
| 705 |
@SuppressWarnings("unchecked") |
| 706 |
private boolean setupLabel(Feature featu, ILabelClass lc, |
| 707 |
Cancellable cancel, String[] usedFields, ViewPort viewPort, |
| 708 |
double dpi, int duplicateMode) { |
| 709 |
|
| 710 |
String expr = lc.getStringLabelExpression();
|
| 711 |
|
| 712 |
long pt1 = System.currentTimeMillis(); |
| 713 |
String[] texts = NO_TEXT; |
| 714 |
List<String> preTexts = new ArrayList<String>(); |
| 715 |
try {
|
| 716 |
if (expr != null) { |
| 717 |
|
| 718 |
if (expr.equals("")) { |
| 719 |
expr = texts[0];
|
| 720 |
} |
| 721 |
|
| 722 |
String[] multiexpr = divideExpression(expr); |
| 723 |
for (int i = 0; i < multiexpr.length; i++) { |
| 724 |
|
| 725 |
expr = multiexpr[i]; |
| 726 |
Object res = LabelClassUtils.evaluate(expr,
|
| 727 |
featu.getEvaluatorData()); |
| 728 |
if (res != null) { |
| 729 |
preTexts.add(res.toString()); |
| 730 |
} else {
|
| 731 |
preTexts.add("");
|
| 732 |
} |
| 733 |
} |
| 734 |
texts = new String[preTexts.size()]; |
| 735 |
preTexts.toArray(texts); |
| 736 |
// parseTime += System.currentTimeMillis()-pt1;
|
| 737 |
} |
| 738 |
lc.setTexts(texts); |
| 739 |
|
| 740 |
} catch (Exception e) { |
| 741 |
logger.warn("While setting up label", e);
|
| 742 |
return false; |
| 743 |
} |
| 744 |
return true; |
| 745 |
} |
| 746 |
|
| 747 |
private boolean isOverlapping(BufferedImage bi, Geometry lblgeom) { |
| 748 |
|
| 749 |
if (lblgeom == null || lblgeom.getType() == TYPES.NULL) { |
| 750 |
return false; |
| 751 |
} |
| 752 |
|
| 753 |
Envelope rPixels = lblgeom.getEnvelope(); |
| 754 |
int minx = (int) rPixels.getMinimum(0); |
| 755 |
int miny = (int) rPixels.getMinimum(1); |
| 756 |
int maxx = (int) rPixels.getMaximum(0); |
| 757 |
int maxy = (int) rPixels.getMaximum(1); |
| 758 |
|
| 759 |
for (int i = minx; i <= maxx; i++) { |
| 760 |
for (int j = miny; j <= maxy; j++) { |
| 761 |
|
| 762 |
GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 763 |
try {
|
| 764 |
if (!lblgeom.contains(geomManager.createPoint(i, j, Geometry.SUBTYPES.GEOM2D))
|
| 765 |
// contains seems to don't detect points
|
| 766 |
// placed in the rectangle boundaries
|
| 767 |
&& !lblgeom.intersects(geomManager.createEnvelope(i, j, i, j, Geometry.SUBTYPES.GEOM2D).getGeometry())) {
|
| 768 |
continue;
|
| 769 |
} |
| 770 |
} catch (CreateGeometryException | GeometryOperationNotSupportedException | GeometryOperationException
|
| 771 |
| CreateEnvelopeException e) {
|
| 772 |
logger.warn("Can't check overlapping with point ("+i+","+j+")."); |
| 773 |
|
| 774 |
} |
| 775 |
|
| 776 |
if (i < 0 || j < 0) { |
| 777 |
continue;
|
| 778 |
} |
| 779 |
|
| 780 |
if (bi.getWidth() < i + 1 || bi.getHeight() < j + 1) { |
| 781 |
continue;
|
| 782 |
} |
| 783 |
|
| 784 |
if (bi.getRGB(i, j) != 0) { |
| 785 |
return true; |
| 786 |
} |
| 787 |
} |
| 788 |
} |
| 789 |
return false; |
| 790 |
} |
| 791 |
|
| 792 |
private boolean isOnePoint(ViewPort viewPort, Geometry geom) { |
| 793 |
|
| 794 |
boolean onePoint = false; |
| 795 |
int shapeType = geom.getType();
|
| 796 |
|
| 797 |
if (shapeType != TYPES.POINT && shapeType != TYPES.MULTIPOINT) {
|
| 798 |
|
| 799 |
Envelope env = geom.getEnvelope(); |
| 800 |
double dist1Pixel = viewPort.getDist1pixel();
|
| 801 |
onePoint = (env.getLength(0) <= dist1Pixel && env.getLength(1) <= dist1Pixel); |
| 802 |
} |
| 803 |
return onePoint;
|
| 804 |
} |
| 805 |
|
| 806 |
public boolean isAllowingOverlap() { |
| 807 |
return allowOverlapping;
|
| 808 |
} |
| 809 |
|
| 810 |
public void setAllowOverlapping(boolean allowOverlapping) { |
| 811 |
this.allowOverlapping = allowOverlapping;
|
| 812 |
} |
| 813 |
|
| 814 |
public IPlacementConstraints getPlacementConstraints() {
|
| 815 |
if (placementConstraints != null) |
| 816 |
return placementConstraints;
|
| 817 |
|
| 818 |
GeometryType gt = null;
|
| 819 |
|
| 820 |
try {
|
| 821 |
gt = layer.getGeometryType(); |
| 822 |
// force 2d for comparison
|
| 823 |
gt = GeometryLocator.getGeometryManager().getGeometryType( |
| 824 |
gt.getType(), SUBTYPES.GEOM2D); |
| 825 |
} catch (Exception e) { |
| 826 |
logger.error("While getting placements constraints.", e);
|
| 827 |
return null; |
| 828 |
} |
| 829 |
|
| 830 |
if (gt.isTypeOf(TYPES.POINT) || gt.isTypeOf(TYPES.MULTIPOINT)) {
|
| 831 |
return DefaultPointPlacementConstraints;
|
| 832 |
} else {
|
| 833 |
if (gt.isTypeOf(TYPES.CURVE) || gt.isTypeOf(TYPES.MULTICURVE)) {
|
| 834 |
return DefaultLinePlacementConstraints;
|
| 835 |
} else {
|
| 836 |
if (gt.isTypeOf(TYPES.SURFACE)
|
| 837 |
|| gt.isTypeOf(TYPES.MULTISURFACE)) {
|
| 838 |
return DefaultPolygonPlacementConstraints;
|
| 839 |
} else {
|
| 840 |
if (gt.isTypeOf(TYPES.AGGREGATE)
|
| 841 |
|| gt.isTypeOf(TYPES.GEOMETRY)) {
|
| 842 |
DefaultMultiShapePlacementConstratints |
| 843 |
.setPointConstraints(DefaultPointPlacementConstraints); |
| 844 |
DefaultMultiShapePlacementConstratints |
| 845 |
.setLineConstraints(DefaultLinePlacementConstraints); |
| 846 |
DefaultMultiShapePlacementConstratints |
| 847 |
.setPolygonConstraints(DefaultPolygonPlacementConstraints); |
| 848 |
return DefaultMultiShapePlacementConstratints;
|
| 849 |
} |
| 850 |
} |
| 851 |
} |
| 852 |
} |
| 853 |
return null; |
| 854 |
} |
| 855 |
|
| 856 |
public void setPlacementConstraints(IPlacementConstraints constraints) { |
| 857 |
this.placementConstraints = constraints;
|
| 858 |
} |
| 859 |
|
| 860 |
public IZoomConstraints getZoomConstraints() {
|
| 861 |
return zoomConstraints;
|
| 862 |
} |
| 863 |
|
| 864 |
public void setZoomConstraints(IZoomConstraints constraints) { |
| 865 |
this.zoomConstraints = constraints;
|
| 866 |
} |
| 867 |
|
| 868 |
public void print(Graphics2D g, double scale, ViewPort viewPort, |
| 869 |
Cancellable cancel, PrintAttributes properties) |
| 870 |
throws ReadException {
|
| 871 |
|
| 872 |
double dpi = 100; |
| 873 |
int pq = properties.getPrintQuality();
|
| 874 |
if (pq == PrintAttributes.PRINT_QUALITY_NORMAL) {
|
| 875 |
dpi = 300;
|
| 876 |
} else if (pq == PrintAttributes.PRINT_QUALITY_HIGH) { |
| 877 |
dpi = 600;
|
| 878 |
} else if (pq == PrintAttributes.PRINT_QUALITY_DRAFT) { |
| 879 |
dpi = 72;
|
| 880 |
} |
| 881 |
|
| 882 |
viewPort.setOffset(new Point2D.Double(0, 0)); |
| 883 |
|
| 884 |
/* signal printing output */
|
| 885 |
printMode = true;
|
| 886 |
|
| 887 |
draw(null, g, scale, viewPort, cancel, dpi);
|
| 888 |
} |
| 889 |
|
| 890 |
public String[] getUsedFields() { |
| 891 |
|
| 892 |
/*
|
| 893 |
* TODO Solve the problem with the [ and ]. Currently SQLJEP evaluator
|
| 894 |
* cannot tell which fields are being used. Options: allow [] and remove
|
| 895 |
* them or maybe while parsing the SQLJEP evaluator can inform with
|
| 896 |
* events like "I have found a field"
|
| 897 |
*/
|
| 898 |
|
| 899 |
FeatureAttributeDescriptor[] atts = null; |
| 900 |
try {
|
| 901 |
atts = layer.getFeatureStore().getDefaultFeatureType() |
| 902 |
.getAttributeDescriptors(); |
| 903 |
} catch (DataException e) {
|
| 904 |
logger.error("While getting atributes.", e);
|
| 905 |
} |
| 906 |
|
| 907 |
int n = atts.length;
|
| 908 |
String[] resp = new String[n]; |
| 909 |
for (int i = 0; i < n; i++) { |
| 910 |
resp[i] = atts[i].getName(); |
| 911 |
} |
| 912 |
return resp;
|
| 913 |
|
| 914 |
} |
| 915 |
|
| 916 |
public boolean shouldDrawLabels(double scale) { |
| 917 |
double minScaleView = -1; |
| 918 |
double maxScaleView = -1; |
| 919 |
|
| 920 |
if (zoomConstraints != null) { |
| 921 |
minScaleView = zoomConstraints.getMinScale(); |
| 922 |
maxScaleView = zoomConstraints.getMaxScale(); |
| 923 |
} |
| 924 |
|
| 925 |
if (minScaleView == -1 && maxScaleView == -1) { |
| 926 |
// parameters not set, so the layer decides.
|
| 927 |
return layer.isWithinScale(scale);
|
| 928 |
} |
| 929 |
|
| 930 |
if (minScaleView >= scale) {
|
| 931 |
return (maxScaleView != -1) ? maxScaleView <= scale : true; |
| 932 |
} |
| 933 |
|
| 934 |
return false; |
| 935 |
} |
| 936 |
|
| 937 |
public void setUnit(int unitIndex) { |
| 938 |
unit = unitIndex; |
| 939 |
|
| 940 |
} |
| 941 |
|
| 942 |
public int getUnit() { |
| 943 |
return unit;
|
| 944 |
} |
| 945 |
|
| 946 |
public int getReferenceSystem() { |
| 947 |
return referenceSystem;
|
| 948 |
} |
| 949 |
|
| 950 |
public void setReferenceSystem(int referenceSystem) { |
| 951 |
this.referenceSystem = referenceSystem;
|
| 952 |
} |
| 953 |
|
| 954 |
public static void registerPersistent() { |
| 955 |
|
| 956 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
| 957 |
if (manager.getDefinition(GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME) == null) { |
| 958 |
DynStruct definition = manager.addDefinition( |
| 959 |
GeneralLabelingStrategy.class, |
| 960 |
GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME, |
| 961 |
GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME |
| 962 |
+ " Persistence definition", null, null); |
| 963 |
definition.addDynFieldObject("labelingMethod")
|
| 964 |
.setClassOfValue(ILabelingMethod.class).setMandatory(true);
|
| 965 |
definition.addDynFieldObject("placementConstraints")
|
| 966 |
.setClassOfValue(IPlacementConstraints.class) |
| 967 |
.setMandatory(false);
|
| 968 |
definition.addDynFieldObject("zoomConstraints")
|
| 969 |
.setClassOfValue(IZoomConstraints.class) |
| 970 |
.setMandatory(false);
|
| 971 |
|
| 972 |
definition.addDynFieldBoolean("allowOverlapping")
|
| 973 |
.setMandatory(true);
|
| 974 |
definition.addDynFieldInt("unit").setMandatory(true); |
| 975 |
definition.addDynFieldInt("referenceSystem").setMandatory(true); |
| 976 |
} |
| 977 |
} |
| 978 |
|
| 979 |
public void loadFromState(PersistentState state) |
| 980 |
throws PersistenceException {
|
| 981 |
|
| 982 |
method = (ILabelingMethod) state.get("labelingMethod");
|
| 983 |
|
| 984 |
if (state.hasValue("placementConstraints")) { |
| 985 |
placementConstraints = (IPlacementConstraints) state |
| 986 |
.get("placementConstraints");
|
| 987 |
} |
| 988 |
|
| 989 |
if (state.hasValue("zoomConstraints")) { |
| 990 |
zoomConstraints = (IZoomConstraints) state.get("zoomConstraints");
|
| 991 |
} |
| 992 |
|
| 993 |
this.allowOverlapping = state.getBoolean("allowOverlapping"); |
| 994 |
this.unit = state.getInt("unit"); |
| 995 |
this.referenceSystem = state.getInt("referenceSystem"); |
| 996 |
} |
| 997 |
|
| 998 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 999 |
|
| 1000 |
state.set("labelingMethod", method);
|
| 1001 |
|
| 1002 |
if (placementConstraints != null) { |
| 1003 |
state.set("placementConstraints", placementConstraints);
|
| 1004 |
} |
| 1005 |
|
| 1006 |
if (zoomConstraints != null) { |
| 1007 |
state.set("zoomConstraints", zoomConstraints);
|
| 1008 |
} |
| 1009 |
|
| 1010 |
state.set("allowOverlapping", allowOverlapping);
|
| 1011 |
state.set("unit", unit);
|
| 1012 |
state.set("referenceSystem", referenceSystem);
|
| 1013 |
|
| 1014 |
} |
| 1015 |
|
| 1016 |
public double toCartographicSize(ViewPort vp, double dpi, Geometry geom) { |
| 1017 |
/*
|
| 1018 |
* This method is not used but we must implement CartographicSupport
|
| 1019 |
*/
|
| 1020 |
return 0; |
| 1021 |
} |
| 1022 |
|
| 1023 |
public void setCartographicSize(double cartographicSize, Geometry geom) { |
| 1024 |
/*
|
| 1025 |
* This method is not used but we must implement CartographicSupport
|
| 1026 |
*/
|
| 1027 |
} |
| 1028 |
|
| 1029 |
public double getCartographicSize(ViewPort vp, double dpi, Geometry geom) { |
| 1030 |
/*
|
| 1031 |
* This method is not used but we must implement CartographicSupport
|
| 1032 |
*/
|
| 1033 |
return 0; |
| 1034 |
} |
| 1035 |
|
| 1036 |
public Object clone() throws CloneNotSupportedException { |
| 1037 |
return LabelClassUtils.clone(this); |
| 1038 |
} |
| 1039 |
|
| 1040 |
} |