Revision 43510 trunk/org.gvsig.desktop/org.gvsig.desktop.plugin/org.gvsig.labeling.app/org.gvsig.labeling.app.mainplugin/src/main/java/org/gvsig/labeling/placements/PolygonPlacementOnCentroid.java
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
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/** |
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* gvSIG. Desktop Geographic Information System. |
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* |
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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* Copyright (C) 2007-2013 gvSIG Association.
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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* For more information, contact: |
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* |
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* Generalitat Valenciana |
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* Conselleria d'Infraestructures i Transport |
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* Av. Blasco Ib??ez, 50 |
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* 46010 VALENCIA |
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* SPAIN |
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* |
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* +34 963862235 |
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* gvsig@gva.es |
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* www.gvsig.gva.es |
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* |
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* or |
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* |
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* IVER T.I. S.A |
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* Salamanca 50 |
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* 46005 Valencia |
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* Spain |
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* |
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* +34 963163400 |
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* dac@iver.es |
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* For any additional information, do not hesitate to contact us |
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* at info AT gvsig.com, or visit our website www.gvsig.com. |
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*/ |
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package org.gvsig.labeling.placements; |
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import java.util.ArrayList; |
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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.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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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.rendering.legend.styling.ILabelClass; |
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import org.gvsig.fmap.mapcontext.rendering.legend.styling.IPlacementConstraints; |
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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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* PolygonPlacementOnCentroid.java |
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* |
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* |
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* @author jaume dominguez faus - jaume.dominguez@iver.es Apr 1, 2008 |
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* |
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*/ |
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//public class PolygonPlacementOnCentroid extends MarkerCenteredAtPoint implements ILabelPlacement {
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public class PolygonPlacementOnCentroid extends MarkerPlacementOnPoint |
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implements ILabelPlacement {
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private static final Logger logger = LoggerFactory.getLogger( |
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PolygonPlacementOnCentroid.class); |
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@Override |
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public ArrayList<LabelLocationMetrics> guess( |
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ILabelClass lc, Geometry geom, |
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IPlacementConstraints placementConstraints, |
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double cartographicSymbolSize, Cancellable cancel, ViewPort vp) {
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if (cancel.isCanceled()) return CannotPlaceLabel.NO_PLACES; |
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if (cancel.isCanceled()) {
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return CannotPlaceLabel.NO_PLACES; |
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} |
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Point cen = null; |
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try {
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cen = geom.centroid(); |
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} catch (Exception e) {
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logger.error("While getting centroid.", e);
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logger.warn("Can't get centroid of geometry.", e);
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} |
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return super.guess( |
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lc, |
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cartographicSymbolSize, cancel,vp); |
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} |
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@Override |
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public ArrayList<LabelLocationMetrics> guess( |
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ILabelClass lc, Geometry geom, |
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IPlacementConstraints placementConstraints, |
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double cartographicSymbolSize, Cancellable cancel) {
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if (cancel.isCanceled()) return CannotPlaceLabel.NO_PLACES; |
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if (cancel.isCanceled()) {
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return CannotPlaceLabel.NO_PLACES; |
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} |
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ArrayList<LabelLocationMetrics> guessed = |
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new ArrayList<LabelLocationMetrics>(); |
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try {
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cen = geom.centroid(); |
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} catch (Exception e) {
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logger.error("While getting centroid.", e);
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logger.warn("While getting centroid.", e);
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} |
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Point2D p = new Point2D.Double(cen.getX(), cen.getY()); |
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Rectangle2D bounds = lc.getBounds(); |
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return guessed; |
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} |
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@Override |
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public boolean isSuitableFor( |
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IPlacementConstraints placementConstraints, |
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int shapeType) {
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GeometryType gt = null; |
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try {
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gt = GeometryLocator.getGeometryManager().getGeometryType( |
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shapeType, SUBTYPES.GEOM2D); |
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} catch (Exception e) {
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logger.error("While getting geo type.", e);
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} |
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if (gt.isTypeOf(TYPES.SURFACE) || shapeType == TYPES.MULTISURFACE) {
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return (placementConstraints.isHorizontal() |
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&& |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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if( geomManager.isSubtype(TYPES.SURFACE, shapeType) || |
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geomManager.isSubtype(TYPES.MULTISURFACE, shapeType) ) {
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return placementConstraints != null && |
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(placementConstraints.isHorizontal() && |
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!placementConstraints.isFitInsidePolygon()); |
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} |
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return false; |
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