root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / rendering / legend / LegendFactory.java @ 24494
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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) 2004 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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package org.gvsig.fmap.mapcontext.rendering.legend; |
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import java.awt.Color; |
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import java.util.Random; |
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import org.gvsig.fmap.dal.exceptions.ReadException; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.SymbologyFactory; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.utiles.XMLException; |
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/**
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* Clase factoria de las diferentes leyendas.
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class LegendFactory { |
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/**
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* Crea un objeto renderer de s?mbolo ?nico con las caracter?sticas que se
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* pasan como par?metro
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*
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* @param shapeType Tipo de shape.
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*
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* @return VectorialLegend.
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*/
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public static IVectorLegend createSingleSymbolLegend(int shapeType) { |
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Random rand = new Random(); |
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int numreg = rand.nextInt(255/2); |
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double div = (1-rand.nextDouble()*0.66)*0.9; |
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Color randomColor = new Color( |
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((int) (255*div + (numreg * rand.nextDouble()))) % 255, |
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((int) (255*div + (numreg * rand.nextDouble()))) % 255, |
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((int) (255*div + (numreg * rand.nextDouble()))) % 255); |
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return new SingleSymbolLegend( |
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SymbologyFactory.createDefaultSymbolByShapeType(shapeType, randomColor)); |
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} |
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/**
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* Crea un objeto VectorialUniqueValueLegend vac?o, dispuesto para cargar
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* s?mbolos
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*
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* @param shapeType Tipo de shape.
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*
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* @return VectorialUniqueValueLegend.
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*/
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public static VectorialUniqueValueLegend createVectorialUniqueValueLegend( |
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int shapeType) {
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return new VectorialUniqueValueLegend(shapeType); |
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} |
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/**
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* Crea un objeto VectorialIntervalLegend vac?o, dispuesto para cargar
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* s?mbolos
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*
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* @param shapeType tipo de shape.
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*
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* @return VectorialIntervalLegend
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*/
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public static VectorialIntervalLegend createVectorialIntervalLegend( |
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int shapeType) {
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return new VectorialIntervalLegend(shapeType); |
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} |
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/**
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* Crea un renderer con la informaci?n contenida en el objeto XMLEntity
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*
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* @param xml XMLEntity.
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*
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* @return VectorialLegend
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*
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* @throws XMLException
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*/
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public static IVectorLegend createFromXML(XMLEntity xml) |
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throws XMLException {
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//TODO Implementar bien
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try {
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IVectorLegend vl = null;
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Class clase = Class.forName(xml.getStringProperty("className")); |
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vl = (IVectorLegend) clase.newInstance(); |
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vl.setXMLEntity(xml); |
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return vl;
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} catch (ClassNotFoundException e) { |
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throw new XMLLegendException(e); |
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} catch (InstantiationException e) { |
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throw new XMLLegendException(e); |
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} catch (IllegalAccessException e) { |
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throw new XMLLegendException(e); |
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} |
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} |
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/**
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* Clona la leyenda.
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*
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* @param l VectorialLegend a clonar.
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*
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* @return VectorialLegend cloando.
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*
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* @throws XMLException
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* @throws ReadException
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*/
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public static IVectorLegend cloneLegend(IVectorLegend l) |
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throws XMLException, ReadException{
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return createFromXML(l.getXMLEntity());
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} |
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} |