root / org.gvsig.legend.dotdensity.app.mainplugin / trunk / org.gvsig.legend.dotdensity.app.mainplugin / src / main / java / org / gvsig / symbology / fmap / symbols / DotDensityFillSymbol.java @ 824
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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: DotDensityFillSymbol.java 13953 2007-09-21 12:26:04Z jaume $
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* $Log$
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* Revision 1.8 2007-09-21 12:25:32 jaume
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* cancellation support extended down to the IGeometry and ISymbol level
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*
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* Revision 1.7 2007/09/18 14:50:31 caballero
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* Leyendas sobre el Layout
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*
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* Revision 1.6 2007/03/26 14:24:24 jaume
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* IPrintable refactored
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*
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* Revision 1.5 2007/03/09 11:20:56 jaume
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* Advanced symbology (start committing)
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*
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* Revision 1.3.2.4 2007/02/21 16:09:02 jaume
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* *** empty log message ***
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*
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* Revision 1.3.2.3 2007/02/16 10:54:12 jaume
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* multilayer splitted to multilayerline, multilayermarker,and multilayerfill
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*
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* Revision 1.3.2.2 2007/02/15 16:23:44 jaume
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* *** empty log message ***
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*
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* Revision 1.3.2.1 2007/02/09 07:47:04 jaume
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* Isymbol moved
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*
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* Revision 1.3 2007/01/12 10:08:26 jaume
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* *** empty log message ***
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*
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* Revision 1.2 2007/01/10 16:39:41 jaume
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* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package
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*
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* Revision 1.1 2007/01/10 16:31:36 jaume
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* *** empty log message ***
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*
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* Revision 1.4 2006/11/14 11:10:27 jaume
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* *** empty log message ***
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*
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* Revision 1.3 2006/11/13 09:15:23 jaume
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* javadoc and some clean-up
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*
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* Revision 1.2 2006/11/09 18:39:05 jaume
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* *** empty log message ***
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*
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* Revision 1.1 2006/11/09 10:22:50 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.symbology.fmap.symbols; |
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import java.awt.Color; |
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import java.awt.Graphics2D; |
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import java.awt.Rectangle; |
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import java.awt.geom.AffineTransform; |
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import java.util.Random; |
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import javax.print.attribute.PrintRequestAttributeSet; |
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import org.gvsig.compat.print.PrintAttributes; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.geom.Geometry; |
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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.primitive.Polygon; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.impl.AbstractFillSymbol; |
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import org.gvsig.tools.ToolsLocator; |
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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.gvsig.tools.util.Callable; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* <p>
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* Symbol that draws a set of points within a polygon. The amount of points is
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* defined by the field dotCount.<br>
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* </p>
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* <p>
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* This symbol only draws the points. The outline and the fill of the polygon is
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* handled by a SimpleFillSymboll where a DotDensityFillSymbol should be
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* embedded.<br>
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* </p>
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*
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*/
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public class DotDensityFillSymbol extends AbstractFillSymbol { |
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private static final Logger logger = LoggerFactory.getLogger(DotDensityFillSymbol.class); |
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public static final String |
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DOT_DENSITY_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME = |
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"DOT_DENSITY_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME";
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private int dotCount; |
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private double dotSize; |
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private double dotSpacing; |
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private Color dotColor = Color.BLACK; |
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private boolean fixedPlacement; |
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private PrintRequestAttributeSet properties; |
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private GeometryManager geoManager=GeometryLocator.getGeometryManager();
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public DotDensityFillSymbol() {
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super();
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} |
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public ISymbol getSymbolForSelection() {
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return this; // the selection color is applied in the SimpleFillSymbol |
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} |
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public void draw(Graphics2D g, AffineTransform atr, |
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Geometry theGeom, Feature f, Cancellable cancel) { |
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try {
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Geometry clo_geo = theGeom.cloneGeometry(); |
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clo_geo.transform(atr); |
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Point interiorPoint=geoManager.createPoint(0, 0, Geometry.SUBTYPES.GEOM2D); |
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int maxIntentos = 35; |
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int width = clo_geo.getBounds().width;
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int height = clo_geo.getBounds().height;
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int minx = clo_geo.getBounds().x;
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int miny = clo_geo.getBounds().y;
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Random random = new Random(); |
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g.setClip(clo_geo.getShape()); |
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g.setColor(getDotColor()); |
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g.setBackground(null);
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int size = (int) dotSize; |
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for (int i = 0; (cancel==null || !cancel.isCanceled()) && i < dotCount; i++) { |
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int x,y;
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int intentos = 0; |
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/* Introducimos este bucle para procurar que los puntos
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* queden dentro del shape. Le ponemos adem?s un
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* numero m?ximo de intentos para evitar las posibilidad de
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* un bucle infinito o excesivamente reiterativo.
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*/
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do{
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x = (int) Math.abs(random.nextDouble() * width); |
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y = (int) Math.abs(random.nextDouble() * height); |
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x = x + minx; |
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y = y + miny; |
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intentos++; |
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interiorPoint.setX(x); |
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interiorPoint.setY(y); |
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} while (intentos<maxIntentos && !clo_geo.contains(interiorPoint));
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g.fillRect(x, y, size, size); |
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} |
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g.setClip(null);
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} catch (Exception e) { |
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logger.warn("An error has been produced drawing density points for : "+theGeom.toString());
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} |
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} |
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public void saveToState(PersistentState state) throws PersistenceException { |
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super.saveToState(state);
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// color
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Color c = getDotColor();
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if (c == null) { |
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c = Color.BLACK;
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} |
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state.set("dotColor", c);
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state.set("dotCount", dotCount);
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state.set("dotSize", dotSize);
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state.set("dotSpacing", dotSpacing);
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} |
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public int getSymbolType() { |
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return Geometry.TYPES.SURFACE;
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} |
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public void drawInsideRectangle(Graphics2D g, |
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AffineTransform scaleInstance,
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Rectangle r,
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PrintAttributes properties) throws SymbolDrawingException {
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int x = r.x;
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int y = r.y;
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int width = r.width;
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int height= r.height;
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int size = height / 5; |
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g.setColor(getDotColor()); |
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g.setBackground(null);
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g.fillRect((int) (x+width*0.2), (int) (y+height*0.2), size, size); |
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g.fillRect((int) (x+width*0.25), (int) (y+height*0.7), size, size); |
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g.fillRect((int) (x+width*0.35), (int) (y+height*0.5), size, size); |
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g.fillRect((int) (x+width*0.6), (int) (y+height*0.1), size, size); |
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g.fillRect((int) (x+width*0.7), (int) (y+height*0.8), size, size); |
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g.fillRect((int) (x+width*0.8), (int) (y+height*0.3), size, size); |
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g.fillRect((int) (x+width*0.9), (int) (y+height*0.6), size, size); |
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} |
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public void loadFromState(PersistentState state) |
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throws PersistenceException {
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super.loadFromState(state);
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Object obj_col = state.get("dotColor"); |
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this.setDotColor((Color) obj_col); |
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this.setDotCount(state.getInt("dotCount")); |
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this.setDotSize(state.getDouble("dotSize")); |
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this.setDotSpacing(state.getDouble("dotSpacing")); |
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} |
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/**
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* @return
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* @uml.property name="dotCount"
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*/
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public int getDotCount() { |
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return dotCount;
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} |
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/**
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* @param dotCount
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* @uml.property name="dotCount"
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*/
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public void setDotCount(int dotCount) { |
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this.dotCount = dotCount;
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} |
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/**
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* @return
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* @uml.property name="dotSize"
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*/
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public double getDotSize() { |
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return dotSize;
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} |
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public void setDotSize(double dotSize) { |
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this.dotSize = dotSize;
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} |
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/**
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* @return
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* @uml.property name="dotSpacing"
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*/
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public double getDotSpacing() { |
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return dotSpacing;
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} |
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/**
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* @param dotSpacing
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* @uml.property name="dotSpacing"
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*/
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public void setDotSpacing(double dotSpacing) { |
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this.dotSpacing = dotSpacing;
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} |
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public Color getDotColor() { |
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return dotColor;
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} |
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public void setDotColor(Color dotColor) { |
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this.dotColor = dotColor;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.mapcontext.rendering.symbols.IPrintable#print(java.awt.Graphics2D, java.awt.geom.AffineTransform, org.gvsig.fmap.geom.Geometry, org.gvsig.compat.print.PrintAttributes)
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*/
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public void print(Graphics2D g, AffineTransform at, Geometry shape, |
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PrintAttributes prop) { |
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// this.properties.=prop;
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draw(g, at, shape, null, null); |
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// this.properties=null;
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} |
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public static class RegisterPersistence implements Callable { |
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public Object call() throws Exception { |
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PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
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if( manager.getDefinition(
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DOT_DENSITY_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME)==null ) {
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DynStruct definition = manager.addDefinition( |
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DotDensityFillSymbol.class, |
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DOT_DENSITY_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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DOT_DENSITY_FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME + |
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" Persistence definition",
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null,
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null
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); |
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// Extend the Symbol base definition
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definition.extend(manager.getDefinition( |
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AbstractFillSymbol.FILL_SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
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definition.addDynFieldObject("dotColor").setMandatory(true) |
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.setClassOfValue(Color.class);
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definition.addDynFieldInt("dotCount").setMandatory(true); |
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definition.addDynFieldDouble("dotSize").setMandatory(true); |
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definition.addDynFieldDouble("dotSpacing").setMandatory(true); |
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} |
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return Boolean.TRUE; |
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} |
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} |
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} |