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 @ 41676
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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.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.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 |
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ILabelingStrategy, Cloneable, CartographicSupport {
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private static final Logger logger = LoggerFactory.getLogger( |
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GeneralLabelingStrategy.class); |
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public static final String GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME = |
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"GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME";
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public static PointPlacementConstraints DefaultPointPlacementConstraints = |
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new PointPlacementConstraints();
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public static LinePlacementConstraints DefaultLinePlacementConstraints = |
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new LinePlacementConstraints();
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public static PolygonPlacementConstraints DefaultPolygonPlacementConstraints = |
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new PolygonPlacementConstraints();
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private static String[] NO_TEXT = { Messages.getText("text_field") }; |
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private static MultiShapePlacementConstraints DefaultMultiShapePlacementConstratints = |
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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; /* indicate whether output is for a print product (PDF, PS, ...) */ |
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public GeneralLabelingStrategy() {
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method = |
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SymbologyLocator.getSymbologyManager().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,
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Cancellable cancel, |
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double dpi) 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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// boolean bVisualFXEnabled = false; // if true, the user can see how the labeling is drawing up
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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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// parseTime =0;
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// long t1 = System.currentTimeMillis();
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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
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* 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++) ts.add(lcs[i]); |
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if (ts.size()==0) return; |
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/*
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* now we have an ordered set, it is only need to give a pass
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* for each label class to render by priorities.
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*
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* If no priorities were defined, the following loop only executes
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* 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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try {
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fset = method.getFeatureIteratorByLabelClass( |
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layer, lc, viewPort, usedFields); |
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} catch (DataException e) {
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throw new ReadException(layer.getFeatureStore().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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); |
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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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); |
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overlapDetectGraphics = overlapDetectImage.createGraphics(); |
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overlapDetectGraphics.setRenderingHints(mapGraphics.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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DisposableIterator diter = null;
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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().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,
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usedFields, viewPort, 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 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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// FJP: Cambiamos la uni?n por una comprobaci?n de longitud, por ejemplo.
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// La geometr?a con mayor longitud del bounding box ser? la que etiquetamos.
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// Ser? inexacto, pero m?s r?pido. Solo lo queremos para saber qu? entidad etiquetamos
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// El problema con la uni?n es que para l?neas va muy mal (no sabes lo que te va
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// a etiquetar, y para pol?gonos ser? muy lenta. De todas formas, habr?a que evitar
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// la conversi?n al JTS.
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// Geometry jtsGeom = item.geom.toJTSGeometry().union(geom.toJTSGeometry());
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// if (jtsGeom instanceof LineString) {
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// CoordinateSequence cs = ((LineString) (jtsGeom)).getCoordinateSequence();
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// CoordinateSequences.reverse(cs);
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// jtsGeom = new LineString(cs, null);
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// }
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// item.geom = FConverter.jts_to_igeometry(jtsGeom);
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|
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Envelope auxBox = geome.getEnvelope(); |
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double perimeterAux = 2 * (auxBox.getLength(0)+auxBox.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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|
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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.getGeometryManager().createPoint( |
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(pointFromLabel.getX()*weigh + pointGeome.getX())/(weigh+1),
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(pointFromLabel.getY()*weigh + pointGeome.getY())/(weigh+1),
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Geometry.SUBTYPES.GEOM2D); |
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} catch (Exception ex) { |
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throw new ReadException(layer.getFeatureStore().getProviderName(), ex); |
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} |
436 |
|
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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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|
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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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} |
454 |
|
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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( |
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targetBI, targetGr, |
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lc, placement, |
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viewPort, geome_parts.get(k), |
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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( |
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layer.getFeatureStore().getProviderName(), e); |
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} |
469 |
|
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|
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placedCount++; |
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} |
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} |
474 |
|
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// ======= End iteration in feature set ====================
|
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|
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if (duplicateMode == IPlacementConstraints.REMOVE_DUPLICATE_LABELS) {
|
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Iterator<String[]> textsIt = labelsToPlace.keySet().iterator(); |
479 |
while ( !cancel.isCanceled() && textsIt.hasNext()) {
|
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notPlacedCount++; |
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String[] texts = textsIt.next(); |
482 |
|
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GeometryItem item = labelsToPlace.get(texts); |
484 |
if(item != null){ |
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lc.setTexts(texts); |
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// Check if size is a pixel
|
487 |
if (isOnePoint(viewPort, item.geom)) {
|
488 |
continue;
|
489 |
} |
490 |
|
491 |
// lc.toCartographicSize(viewPort, dpi, null);
|
492 |
try {
|
493 |
drawLabelInGeom(targetBI, targetGr, |
494 |
lc, placement, viewPort, item.geom, |
495 |
cancel, dpi, bLabelsReallocatable); |
496 |
} catch (GeometryException e) {
|
497 |
throw new ReadException( |
498 |
layer.getFeatureStore().getProviderName(), e); |
499 |
} |
500 |
} |
501 |
} |
502 |
} |
503 |
|
504 |
if (bLabelsReallocatable) {
|
505 |
targetGr.translate(x, y); |
506 |
if (mapImage!=null) { |
507 |
// Graphics2D aux = (Graphics2D) mapImage.getGraphics();
|
508 |
mapGraphics.drawImage(overlapDetectImage, null, null); |
509 |
} else {
|
510 |
mapGraphics.drawImage(overlapDetectImage, null, null); |
511 |
} |
512 |
} |
513 |
|
514 |
|
515 |
} // big iteration
|
516 |
// double totalTime = (System.currentTimeMillis()-t1);
|
517 |
//
|
518 |
// int total = placedCount+notPlacedCount;
|
519 |
//
|
520 |
// if (total>0)
|
521 |
// Logger.getLogger(getClass()).info("Labeled layer '"+layer.getName()+
|
522 |
// "' "+totalTime/1000D+" seconds. "+placedCount+"/"+total+
|
523 |
// " labels placed ("+NumberFormat.getInstance().
|
524 |
// format(100*placedCount/(double) total)+"%)");
|
525 |
//
|
526 |
// if (cancel.isCanceled()) {
|
527 |
// Logger.getLogger(getClass()).info("Layer labeling canceled: '"+
|
528 |
// layer.getName()+"'");
|
529 |
// } else {
|
530 |
// Logger.getLogger(getClass()).info("Total labels parse time = "+
|
531 |
// parseTime+" ("+NumberFormat.getInstance().
|
532 |
// format(parseTime*100/totalTime)+"%)");
|
533 |
// }
|
534 |
|
535 |
} |
536 |
|
537 |
|
538 |
private List<Geometry> getGeometryParts(Geometry ge) { |
539 |
|
540 |
List<Geometry> resp = new ArrayList<Geometry>(); |
541 |
if (ge != null) { |
542 |
if (ge instanceof MultiPrimitive) { |
543 |
MultiPrimitive mp = (MultiPrimitive) ge; |
544 |
int n = mp.getPrimitivesNumber();
|
545 |
for (int i=0; i<n; i++) { |
546 |
resp.add(mp.getPrimitiveAt(i)); |
547 |
} |
548 |
} else {
|
549 |
resp.add(ge); |
550 |
} |
551 |
} |
552 |
return resp;
|
553 |
} |
554 |
|
555 |
private void drawLabelInGeom( |
556 |
BufferedImage targetBI, Graphics2D targetGr, ILabelClass lc, |
557 |
ILabelPlacement placement, ViewPort viewPort, Geometry geom, |
558 |
Cancellable cancel, |
559 |
double dpi, boolean bLabelsReallocatable) throws GeometryException { |
560 |
|
561 |
lc.toCartographicSize(viewPort, dpi, null);
|
562 |
ArrayList<LabelLocationMetrics> llm = null; |
563 |
llm = placement.guess( |
564 |
lc, |
565 |
geom, |
566 |
getPlacementConstraints(), |
567 |
0,
|
568 |
cancel,viewPort); |
569 |
|
570 |
setReferenceSystem(lc.getReferenceSystem()); |
571 |
setUnit(lc.getUnit()); |
572 |
|
573 |
/*
|
574 |
* search if there is room left by the previous and
|
575 |
* with more priority labels, then check the current
|
576 |
* level
|
577 |
*/
|
578 |
// if (
|
579 |
lookupAndPlaceLabel(targetBI, targetGr, llm, |
580 |
placement, lc, geom, viewPort, cancel, bLabelsReallocatable); //{
|
581 |
|
582 |
// lc.getTextSymbol().setFontSize(sizeBefore);
|
583 |
// }
|
584 |
// lc.toCartographicSize(viewPort, dpi, null);
|
585 |
|
586 |
} |
587 |
|
588 |
private int getDuplicateLabelsMode() { |
589 |
if (getPlacementConstraints() == null) { |
590 |
return IPlacementConstraints.DefaultDuplicateLabelsMode;
|
591 |
} |
592 |
return getPlacementConstraints().getDuplicateLabelsMode();
|
593 |
} |
594 |
|
595 |
private boolean lookupAndPlaceLabel(BufferedImage bi, Graphics2D g, |
596 |
ArrayList<LabelLocationMetrics> llm, ILabelPlacement placement,
|
597 |
ILabelClass lc, Geometry geom, ViewPort viewPort, |
598 |
Cancellable cancel, boolean bLabelsReallocatable)
|
599 |
throws GeometryException {
|
600 |
|
601 |
int i;
|
602 |
for (i = 0; !cancel.isCanceled() && i < llm.size(); i++) { |
603 |
LabelLocationMetrics labelMetrics = llm.get(i); |
604 |
|
605 |
IPlacementConstraints pc = getPlacementConstraints(); |
606 |
if(pc instanceof MultiShapePlacementConstraints) { |
607 |
MultiShapePlacementConstraints mpc = (MultiShapePlacementConstraints)pc; |
608 |
|
609 |
GeometryManager gm = GeometryLocator.getGeometryManager(); |
610 |
GeometryType line_gt = null;
|
611 |
GeometryType polyg_gt = null;
|
612 |
GeometryType geom_gt = null;
|
613 |
|
614 |
line_gt = gm.getGeometryType(TYPES.CURVE, SUBTYPES.GEOM2D); |
615 |
polyg_gt = gm.getGeometryType(TYPES.SURFACE, SUBTYPES.GEOM2D); |
616 |
geom_gt = gm.getGeometryType(geom.getType(), SUBTYPES.GEOM2D); |
617 |
|
618 |
if (geom_gt.getType() == TYPES.POINT ||
|
619 |
geom_gt.getType() == TYPES.MULTIPOINT) { |
620 |
pc = mpc.getPointConstraints(); |
621 |
} else {
|
622 |
if (geom_gt.isTypeOf(TYPES.CURVE) ||
|
623 |
geom_gt.getType() == TYPES.MULTICURVE) { |
624 |
pc = mpc.getLineConstraints(); |
625 |
} else {
|
626 |
if (geom_gt.isTypeOf(TYPES.SURFACE) ||
|
627 |
geom_gt.getType() == TYPES.MULTISURFACE) { |
628 |
pc = mpc.getPolygonConstraints(); |
629 |
} |
630 |
} |
631 |
} |
632 |
} |
633 |
|
634 |
/*
|
635 |
* Ver comentario en el metodo drawLabelInGeom
|
636 |
*/
|
637 |
// lc.getTextSymbol().setFontSize(sizeAfter);// * FConstant.FONT_HEIGHT_SCALE_FACTOR);
|
638 |
if (bLabelsReallocatable) {
|
639 |
|
640 |
Geometry aux_geom = null;
|
641 |
aux_geom = lc.getShape(labelMetrics); |
642 |
|
643 |
if (!isOverlapping(bi, aux_geom)) {
|
644 |
|
645 |
if(!pc.isFollowingLine()){
|
646 |
lc.draw(g, labelMetrics, geom); |
647 |
} else {
|
648 |
|
649 |
ILabelClass smsLc = new SmartTextSymbolLabelClass();
|
650 |
SmartTextSymbol sms = new SmartTextSymbol(lc.getTextSymbol(), pc);
|
651 |
|
652 |
double sizeBefore = lc.getTextSymbol().getFont().getSize();
|
653 |
double sizeAfter = SymbolUtils.getCartographicLength(this, |
654 |
sizeBefore, |
655 |
viewPort, |
656 |
viewPort.getDPI()); |
657 |
sms.setFontSize(sizeAfter); |
658 |
|
659 |
smsLc.setTextSymbol(sms); |
660 |
geom.transform(viewPort.getAffineTransform()); |
661 |
smsLc.draw(g, null, geom);
|
662 |
sms.setFontSize(sizeBefore); |
663 |
|
664 |
} |
665 |
return true; |
666 |
} |
667 |
} else {
|
668 |
if(!pc.isFollowingLine()){
|
669 |
lc.draw(g, labelMetrics, null);
|
670 |
} |
671 |
else{
|
672 |
ILabelClass smsLc = new SmartTextSymbolLabelClass();
|
673 |
SmartTextSymbol sms = new SmartTextSymbol(lc.getTextSymbol(),pc);
|
674 |
|
675 |
double sizeBefore = lc.getTextSymbol().getFont().getSize();
|
676 |
double sizeAfter = SymbolUtils.getCartographicLength(this, |
677 |
sizeBefore, |
678 |
viewPort, |
679 |
viewPort.getDPI()); |
680 |
sms.setFontSize(sizeAfter); |
681 |
|
682 |
smsLc.setTextSymbol(sms); |
683 |
geom.transform(viewPort.getAffineTransform()); |
684 |
smsLc.draw(g, null, geom);
|
685 |
|
686 |
sms.setFontSize(sizeBefore); |
687 |
} |
688 |
return true; |
689 |
} |
690 |
} |
691 |
return false; |
692 |
} |
693 |
|
694 |
/**
|
695 |
* Divide una cadena de caracteres por el caracter dos puntos
|
696 |
* siempre que no est? entre comillas.
|
697 |
*
|
698 |
* @param str
|
699 |
* Cadena de caracteres
|
700 |
*
|
701 |
* @return String[]
|
702 |
*
|
703 |
*/
|
704 |
private String[] divideExpression(String str){ |
705 |
ArrayList<String> r = new ArrayList<String>(); |
706 |
boolean inQuotationMarks = false; |
707 |
int lastIndex = 0; |
708 |
for(int i=0; i<str.length(); i++){ |
709 |
if(str.substring(i, i+1).compareTo("\"")==0){ |
710 |
inQuotationMarks = !inQuotationMarks; |
711 |
continue;
|
712 |
} |
713 |
if(str.substring(i, i+1).compareTo(":")==0 && !inQuotationMarks){ |
714 |
if(lastIndex < i){
|
715 |
r.add(str.substring(lastIndex, i)); |
716 |
} |
717 |
lastIndex = i+1;
|
718 |
} |
719 |
} |
720 |
if(lastIndex < str.length()-1){ |
721 |
r.add(str.substring(lastIndex)); |
722 |
} |
723 |
String[] result = new String[r.size()]; |
724 |
r.toArray(result); |
725 |
return result;
|
726 |
} |
727 |
|
728 |
/**
|
729 |
* Compute the texts to show in the label and store them in LabelClass.
|
730 |
*/
|
731 |
@SuppressWarnings("unchecked") |
732 |
private boolean setupLabel(Feature featu, ILabelClass lc, |
733 |
Cancellable cancel, String[] usedFields, ViewPort viewPort, |
734 |
double dpi, int duplicateMode){ |
735 |
|
736 |
String expr = lc.getStringLabelExpression();
|
737 |
|
738 |
long pt1 = System.currentTimeMillis(); |
739 |
String[] texts = NO_TEXT; |
740 |
List<String> preTexts = new ArrayList<String>(); |
741 |
try {
|
742 |
if (expr != null) { |
743 |
|
744 |
if (expr.equals("")) { |
745 |
expr = texts[0];
|
746 |
} |
747 |
|
748 |
String[] multiexpr = divideExpression(expr); |
749 |
for (int i=0; i<multiexpr.length; i++) { |
750 |
|
751 |
expr = multiexpr[i]; |
752 |
Object res = LabelClassUtils.evaluate(expr, featu.getEvaluatorData());
|
753 |
if (res != null) { |
754 |
preTexts.add(res.toString()); |
755 |
} else {
|
756 |
preTexts.add("");
|
757 |
} |
758 |
} |
759 |
texts = new String[preTexts.size()]; |
760 |
preTexts.toArray(texts); |
761 |
// parseTime += System.currentTimeMillis()-pt1;
|
762 |
} |
763 |
lc.setTexts(texts); |
764 |
|
765 |
} catch (Exception e) { |
766 |
logger.warn("While setting up label", e);
|
767 |
return false; |
768 |
} |
769 |
return true; |
770 |
} |
771 |
|
772 |
private boolean isOverlapping(BufferedImage bi, Geometry lblgeom) { |
773 |
|
774 |
if (lblgeom==null || lblgeom.getType() == TYPES.NULL) { |
775 |
return false; |
776 |
} |
777 |
|
778 |
Envelope rPixels = lblgeom.getEnvelope(); |
779 |
int minx = (int) rPixels.getMinimum(0); |
780 |
int miny = (int) rPixels.getMinimum(1); |
781 |
int maxx = (int) rPixels.getMaximum(0); |
782 |
int maxy = (int) rPixels.getMaximum(1); |
783 |
|
784 |
for (int i = minx; i <= maxx; i++) { |
785 |
for (int j = miny; j <= maxy; j++) { |
786 |
|
787 |
if (!lblgeom.contains(i, j)
|
788 |
// contains seems to don't detect points
|
789 |
// placed in the rectangle boundaries
|
790 |
&& !lblgeom.intersects(i, j, i, j)) { |
791 |
continue;
|
792 |
} |
793 |
|
794 |
if (i<0 || j<0) { |
795 |
continue;
|
796 |
} |
797 |
|
798 |
if (bi.getWidth()<i+1 || bi.getHeight()<j+1) { |
799 |
continue;
|
800 |
} |
801 |
|
802 |
if (bi.getRGB(i,j)!=0){ |
803 |
return true; |
804 |
} |
805 |
} |
806 |
} |
807 |
return false; |
808 |
} |
809 |
|
810 |
private boolean isOnePoint(ViewPort viewPort, Geometry geom) { |
811 |
|
812 |
boolean onePoint = false; |
813 |
int shapeType = geom.getType();
|
814 |
|
815 |
if (shapeType != TYPES.POINT && shapeType != TYPES.MULTIPOINT) {
|
816 |
|
817 |
Envelope env = geom.getEnvelope(); |
818 |
double dist1Pixel = viewPort.getDist1pixel();
|
819 |
onePoint = (env.getLength(0) <= dist1Pixel
|
820 |
&& env.getLength(1) <= dist1Pixel);
|
821 |
} |
822 |
return onePoint;
|
823 |
} |
824 |
|
825 |
|
826 |
public boolean isAllowingOverlap() { |
827 |
return allowOverlapping;
|
828 |
} |
829 |
|
830 |
public void setAllowOverlapping(boolean allowOverlapping) { |
831 |
this.allowOverlapping = allowOverlapping;
|
832 |
} |
833 |
|
834 |
public IPlacementConstraints getPlacementConstraints() {
|
835 |
if (placementConstraints != null) |
836 |
return placementConstraints;
|
837 |
|
838 |
GeometryType gt = null;
|
839 |
|
840 |
try {
|
841 |
gt = layer.getGeometryType(); |
842 |
// force 2d for comparison
|
843 |
gt = GeometryLocator.getGeometryManager().getGeometryType( |
844 |
gt.getType(), SUBTYPES.GEOM2D); |
845 |
} catch (Exception e) { |
846 |
logger.error("While getting placements constraints.", e);
|
847 |
return null; |
848 |
} |
849 |
|
850 |
if (gt.isTypeOf(TYPES.POINT)
|
851 |
|| gt.isTypeOf(TYPES.MULTIPOINT)) { |
852 |
return DefaultPointPlacementConstraints;
|
853 |
} else {
|
854 |
if (gt.isTypeOf(TYPES.CURVE)
|
855 |
|| gt.isTypeOf(TYPES.MULTICURVE)) { |
856 |
return DefaultLinePlacementConstraints;
|
857 |
} else {
|
858 |
if (gt.isTypeOf(TYPES.SURFACE)
|
859 |
|| gt.isTypeOf(TYPES.MULTISURFACE)) { |
860 |
return DefaultPolygonPlacementConstraints;
|
861 |
} else {
|
862 |
if (gt.isTypeOf(TYPES.AGGREGATE) ||
|
863 |
gt.isTypeOf(TYPES.GEOMETRY)) { |
864 |
DefaultMultiShapePlacementConstratints.setPointConstraints(DefaultPointPlacementConstraints); |
865 |
DefaultMultiShapePlacementConstratints.setLineConstraints(DefaultLinePlacementConstraints); |
866 |
DefaultMultiShapePlacementConstratints.setPolygonConstraints(DefaultPolygonPlacementConstraints); |
867 |
return DefaultMultiShapePlacementConstratints;
|
868 |
} |
869 |
} |
870 |
} |
871 |
} |
872 |
return null; |
873 |
} |
874 |
|
875 |
public void setPlacementConstraints(IPlacementConstraints constraints) { |
876 |
this.placementConstraints = constraints;
|
877 |
} |
878 |
|
879 |
public IZoomConstraints getZoomConstraints() {
|
880 |
return zoomConstraints;
|
881 |
} |
882 |
|
883 |
public void setZoomConstraints(IZoomConstraints constraints) { |
884 |
this.zoomConstraints = constraints;
|
885 |
} |
886 |
|
887 |
public void print( |
888 |
Graphics2D g, double scale, ViewPort viewPort, |
889 |
Cancellable cancel, PrintAttributes properties) |
890 |
throws ReadException {
|
891 |
|
892 |
double dpi = 100; |
893 |
int pq = properties.getPrintQuality();
|
894 |
if (pq == PrintAttributes.PRINT_QUALITY_NORMAL){
|
895 |
dpi = 300;
|
896 |
} else if (pq == PrintAttributes.PRINT_QUALITY_HIGH){ |
897 |
dpi = 600;
|
898 |
} else if (pq == PrintAttributes.PRINT_QUALITY_DRAFT){ |
899 |
dpi = 72;
|
900 |
} |
901 |
|
902 |
viewPort.setOffset(new Point2D.Double(0,0)); |
903 |
|
904 |
/* signal printing output */
|
905 |
printMode = true;
|
906 |
|
907 |
draw(null,g,scale, viewPort,cancel,dpi);
|
908 |
} |
909 |
|
910 |
public String[] getUsedFields() { |
911 |
|
912 |
/*
|
913 |
* TODO Solve the problem with the [ and ].
|
914 |
* Currently SQLJEP evaluator cannot tell which
|
915 |
* fields are being used. Options: allow [] and remove them or
|
916 |
* maybe while parsing the SQLJEP evaluator can inform with events like
|
917 |
* "I have found a field"
|
918 |
*
|
919 |
*/
|
920 |
|
921 |
FeatureAttributeDescriptor[] atts = null; |
922 |
try {
|
923 |
atts = layer.getFeatureStore().getDefaultFeatureType().getAttributeDescriptors(); |
924 |
} catch (DataException e) {
|
925 |
logger.error("While getting atributes.", e);
|
926 |
} |
927 |
|
928 |
int n = atts.length;
|
929 |
String[] resp = new String[n]; |
930 |
for (int i=0; i<n; i++) { |
931 |
resp[i] = atts[i].getName(); |
932 |
} |
933 |
return resp;
|
934 |
|
935 |
/*
|
936 |
ILabelClass[] lcs = method.getLabelClasses();
|
937 |
ArrayList<String> fieldNames = new ArrayList<String>();
|
938 |
for (int i = 0; i < lcs.length; i++) {
|
939 |
if(lcs[i].getLabelExpressions() != null){
|
940 |
for (int j = 0; j < lcs[i].getLabelExpressions().length; j++) {
|
941 |
String expr = lcs[i].getLabelExpressions()[j];
|
942 |
int start;
|
943 |
while (expr != null &&
|
944 |
(start = expr.indexOf("[")) != -1) {
|
945 |
int end = expr.indexOf("]");
|
946 |
String field = expr.substring(start+1, end).trim();
|
947 |
if (!fieldNames.contains(field))
|
948 |
fieldNames.add(field);
|
949 |
expr = expr.substring(end+1, expr.length());
|
950 |
}
|
951 |
}
|
952 |
}
|
953 |
}
|
954 |
return fieldNames.toArray(new String[fieldNames.size()]);
|
955 |
*/
|
956 |
} |
957 |
|
958 |
|
959 |
public boolean shouldDrawLabels(double scale) { |
960 |
double minScaleView = -1; |
961 |
double maxScaleView = -1; |
962 |
|
963 |
if (zoomConstraints != null) { |
964 |
minScaleView = zoomConstraints.getMinScale(); |
965 |
maxScaleView = zoomConstraints.getMaxScale(); |
966 |
} |
967 |
|
968 |
if (minScaleView == -1 && maxScaleView == -1) { |
969 |
// parameters not set, so the layer decides.
|
970 |
return layer.isWithinScale(scale);
|
971 |
} |
972 |
|
973 |
if (minScaleView >= scale) {
|
974 |
return (maxScaleView != -1) ? maxScaleView <= scale : true; |
975 |
} |
976 |
|
977 |
return false; |
978 |
} |
979 |
|
980 |
public void setUnit(int unitIndex) { |
981 |
unit = unitIndex; |
982 |
|
983 |
} |
984 |
|
985 |
public int getUnit() { |
986 |
return unit;
|
987 |
} |
988 |
|
989 |
public int getReferenceSystem() { |
990 |
return referenceSystem;
|
991 |
} |
992 |
|
993 |
public void setReferenceSystem(int referenceSystem) { |
994 |
this.referenceSystem = referenceSystem;
|
995 |
} |
996 |
|
997 |
public static void registerPersistent() { |
998 |
|
999 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
1000 |
if (manager.getDefinition(GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME) == null) { |
1001 |
DynStruct definition = manager.addDefinition( |
1002 |
GeneralLabelingStrategy.class, |
1003 |
GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME, |
1004 |
GENERAL_LABEL_STRATEGY_PERSISTENCE_NAME+" Persistence definition",
|
1005 |
null,
|
1006 |
null);
|
1007 |
definition.addDynFieldObject("labelingMethod")
|
1008 |
.setClassOfValue(ILabelingMethod.class).setMandatory(true);
|
1009 |
definition.addDynFieldObject("placementConstraints")
|
1010 |
.setClassOfValue(IPlacementConstraints.class).setMandatory(false);
|
1011 |
definition.addDynFieldObject("zoomConstraints")
|
1012 |
.setClassOfValue(IZoomConstraints.class).setMandatory(false);
|
1013 |
|
1014 |
definition.addDynFieldBoolean("allowOverlapping").setMandatory(true); |
1015 |
definition.addDynFieldInt("unit").setMandatory(true); |
1016 |
definition.addDynFieldInt("referenceSystem").setMandatory(true); |
1017 |
} |
1018 |
} |
1019 |
|
1020 |
|
1021 |
public void loadFromState(PersistentState state) throws PersistenceException { |
1022 |
|
1023 |
method = (ILabelingMethod) state.get("labelingMethod");
|
1024 |
|
1025 |
if (state.hasValue("placementConstraints")) { |
1026 |
placementConstraints = |
1027 |
(IPlacementConstraints) state.get("placementConstraints");
|
1028 |
} |
1029 |
|
1030 |
if (state.hasValue("zoomConstraints")) { |
1031 |
zoomConstraints = (IZoomConstraints) state.get("zoomConstraints");
|
1032 |
} |
1033 |
|
1034 |
this.allowOverlapping = state.getBoolean("allowOverlapping"); |
1035 |
this.unit = state.getInt("unit"); |
1036 |
this.referenceSystem = state.getInt("referenceSystem"); |
1037 |
} |
1038 |
|
1039 |
public void saveToState(PersistentState state) throws PersistenceException { |
1040 |
|
1041 |
state.set("labelingMethod", method);
|
1042 |
|
1043 |
if (placementConstraints != null) { |
1044 |
state.set("placementConstraints", placementConstraints);
|
1045 |
} |
1046 |
|
1047 |
if (zoomConstraints != null) { |
1048 |
state.set("zoomConstraints", zoomConstraints);
|
1049 |
} |
1050 |
|
1051 |
state.set("allowOverlapping", allowOverlapping);
|
1052 |
state.set("unit", unit);
|
1053 |
state.set("referenceSystem", referenceSystem);
|
1054 |
|
1055 |
} |
1056 |
|
1057 |
public double toCartographicSize(ViewPort vp, double dpi, Geometry geom) { |
1058 |
/*
|
1059 |
* This method is not used but we must implement CartographicSupport
|
1060 |
*/
|
1061 |
return 0; |
1062 |
} |
1063 |
|
1064 |
public void setCartographicSize(double cartographicSize, Geometry geom) { |
1065 |
/*
|
1066 |
* This method is not used but we must implement CartographicSupport
|
1067 |
*/
|
1068 |
} |
1069 |
|
1070 |
public double getCartographicSize(ViewPort vp, double dpi, Geometry geom) { |
1071 |
/*
|
1072 |
* This method is not used but we must implement CartographicSupport
|
1073 |
*/
|
1074 |
return 0; |
1075 |
} |
1076 |
|
1077 |
public Object clone() throws CloneNotSupportedException { |
1078 |
return LabelClassUtils.clone(this); |
1079 |
} |
1080 |
|
1081 |
|
1082 |
} |