root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / impl / DefaultGeometryManager.java @ 30765
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2009 {Iver T.I.} {Task}
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*/
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package org.gvsig.fmap.geom.impl; |
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import java.awt.geom.PathIterator; |
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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 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.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.GeometryOperation; |
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import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.NullGeometry; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Surface; |
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import org.gvsig.fmap.geom.primitive.impl.Envelope2D; |
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import org.gvsig.fmap.geom.primitive.impl.Envelope3D; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.geom.type.GeometryTypeNotSupportedException; |
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import org.gvsig.fmap.geom.type.GeometryTypeNotValidException; |
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import org.gvsig.fmap.geom.type.impl.DefaultGeometryType; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import com.vividsolutions.jts.geom.GeometryFactory; |
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/**
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* Default implementation for the {@link GeometryManager}. When the
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* application starts, this class is registered in the
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* {@link GeometryLocator} using the {@link DefaultGeometryLibrary}.
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* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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*/
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public class DefaultGeometryManager implements GeometryManager{ |
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private static final Logger logger = LoggerFactory.getLogger(GeometryManager.class); |
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private double flatness = 0.8; |
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private static GeometryManager instance; |
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/** This list holds the unique name of all registered geometry operations.
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* The index in which they are stored is also the operation code used to invoke each one of them */
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private List geometryOperations = new ArrayList(); |
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/** Common operations are registered here. Type specific operations are registered in the corresponding GeometryType instance */
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//private List commonOperations = new ArrayList();
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/** This map holds the instances of all registered GeometryType. The key is the name of the specific Geometry subclass.
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* In other words, the string "org.gvsig.fmap.geom.primitive.Point2D" is the hash key to obtain an instance of GeometryType holding the
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* operations associated to the class org.gvsig.fmap.geom.primitive.Point2D.
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*/
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private Map geometryTypeName = new HashMap(); |
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/**
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* This attribute is used to keep the relationship between type,
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* subtype and GeometryType. The key is the type and the
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* value is other Map with the GeometryTypes
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*/
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private Map geometrySubtypes = new HashMap(); |
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/**
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* This array contains all the geometry types.
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*/
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private ArrayList geometryTypeList = new ArrayList(); |
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/** GeometryType index counter. Each time a new geometry type (not predefined) is registered it is assigned this counter's value as index and after that
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* it is incremented by 1 */
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private int geometryTypeIndex = 0;//Geometry.EXTENDED_GEOMTYPE_OFFSET; //65536;//2^16 |
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/**
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* Geometry Factory
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*/
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private GeometryFactory factory = new GeometryFactory(); |
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/**
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* The GeometryManager has to have a public constructor
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* that will be invoked by a extension point.
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*/
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public DefaultGeometryManager() {
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this.registerGeometryFactory(new GeometryFactory()); |
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} |
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/**
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* Registers a GeometryFactory that will be used instead of the default one.
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* @param factory
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*/
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private void registerGeometryFactory(GeometryFactory factory) { |
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this.factory = factory;
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} |
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/**
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* Returns the current geometry factory
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* @return
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*/
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public GeometryFactory getGeometryFactory() {
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return factory;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, org.gvsig.fmap.geom.type.GeometryType)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp, GeometryType geomType) { |
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if (geomOp == null) { |
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throw new IllegalArgumentException("geomOp cannot be null."); |
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} |
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if (geomType == null) { |
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throw new IllegalArgumentException("geomType cannot be null."); |
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} |
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int index = getGeometryOperationCode(geomOpName);
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geomType.setGeometryOperation(index, geomOp); |
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return index;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp) { |
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if (geomOpName == null) { |
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throw new IllegalArgumentException("geomOpName cannot be null."); |
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} |
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if (geomOp == null) { |
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throw new IllegalArgumentException("geomOp cannot be null."); |
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} |
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int index = getGeometryOperationCode(geomOpName);
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Iterator it = geometryTypeName.keySet().iterator();
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while (it.hasNext()){
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String className = (String)it.next(); |
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GeometryType geometryType = (GeometryType) geometryTypeName.get(className); |
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registerGeometryOperation(geomOpName, geomOp, geometryType); |
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} |
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return index;
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} |
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/**
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* Registers a GeometryOperation associated to a GeometryType.
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* Returns an unique index that is used later to identify and invoke the operation.<br>
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*
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* By convention, the return value should be stored in a public constant within the class implementing
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* the operation:<BR>
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* <pre>
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE =
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* GeometryManager.getInstance()
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* .registerGeometryOperation("MyOperation", new MyOperation(), MyGeometry.class);
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* }
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* </pre>
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*
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* This method is only used if you have not a reference to the GeometryType associated to the
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* geometry class. If you have such reference then it is slightly faster to use the method that receives
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* the GeometryType.<br>
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*
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* @param geomOpName Operation's unique name
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* @param geomOp Specific GeometryOperation's instance implementing this operation
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* @param geomClass Geometry implementation class
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* @return Index assigned to this operation. This index is used later to access the operation.
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*/
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private int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp, Class geomClass) {
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GeometryType geomType = getGeometryType(geomClass); |
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return registerGeometryOperation(geomOpName, geomOp, geomType);
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} |
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/**
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* Registers a GeometryOperation associated to a GeometryType.
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* Returns an unique index that is used later to identify and invoke the operation.<br>
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*
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* By convention, the return value should be stored in a public constant within the class implementing
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* the operation:<BR>
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* <pre>
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE =
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* GeometryManager.getInstance()
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* .registerGeometryOperation("MyOperation", MyOperation.class, myGeomType);
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* }
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* </pre>
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*
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* @param geomOpName Operation's unique name
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* @param geomOpClass GeometryOperation class
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* @param geomType GeometryType instance to which this operation should be associated
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* @return Index assigned to this operation. This index is used later to access the operation.
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* @throws IllegalAccessException, {@link InstantiationException} Either exception maybe thrown when
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* trying to instance the geometry operation class.
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*/
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private int registerGeometryOperation(String geomOpName, Class geomOpClass, |
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GeometryType geomType) |
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throws IllegalAccessException, InstantiationException { |
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GeometryOperation geomOp = (GeometryOperation) geomOpClass.newInstance(); |
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return registerGeometryOperation(geomOpName, geomOp, geomType);
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, int, int)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp, int type, int subType) throws GeometryTypeNotSupportedException, GeometryTypeNotValidException { |
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GeometryType geometryType = getGeometryType(type, subType); |
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return registerGeometryOperation(geomOpName, geomOp, geometryType);
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, int)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp, int type) {
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Iterator it = geometryTypeName.keySet().iterator();
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int code = -1; |
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while (it.hasNext()){
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String className = (String)it.next(); |
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GeometryType geometryType = (GeometryType) geometryTypeName.get(className); |
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if ((type == geometryType.getType())) {
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code = registerGeometryOperation(geomOpName, geomOp, geometryType); |
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} |
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{ |
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} |
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} |
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return code;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperationBySubtype(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, int)
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*/
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public int registerGeometryOperationBySubtype(String geomOpName, |
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GeometryOperation geomOp, int subType) {
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Iterator it = geometryTypeName.keySet().iterator();
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int code = -1; |
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while (it.hasNext()){
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String className = (String)it.next(); |
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GeometryType geometryType = (GeometryType) geometryTypeName.get(className); |
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if ((subType == geometryType.getSubType())) {
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code = registerGeometryOperation(geomOpName, geomOp, geometryType); |
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} |
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{ |
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} |
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} |
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return code;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryType(java.lang.Class, java.lang.String, int)
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*/
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public GeometryType registerGeometryType(Class geomClass, String name, int type, int subType) { |
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return registerGeometryType(geomClass, name, geometryTypeIndex++, type, subType);
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} |
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/**
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* Registers a Geometry implementation class with a predefined geometry type and returns the
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* associated GeometryType instance. Available predefined types are defined in {@link Geometry.TYPES}
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* If the class is already registered then this method throws an IllegalArgumentException.<br>
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*
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* How to register a geometry class with a predefined type:
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* <pre>
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*
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* public class Point2D implements Point {
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* private static final GeometryType geomType = GeometryManager.getInstance()
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* .registerBasicGeometryType(Point2D.class, "Point2D", Geometry.TYPES.POINT);
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*
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* public static final int CODE = geomType.getId();
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* ...
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* public int getType() {
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* return geomType.getType();
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* }
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* }
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* </pre>
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*
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* @param geomClass
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* Geometry subclass. It must not be null and must implement Geometry, otherwise an exception
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* is raised.
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* @param name
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* Symbolic name for the geometry type, it can be null. If it is null then the symbolic name
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* will be the simple class name.
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* @param id
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* Geometry identifier.
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* @param type
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* Type of geometry. Must be a value defined in {@link Geometry.TYPES}
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* @param subType
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* SubType of geometry. Must be a value defined in {@link Geometry.SUBTYPES}
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* @return Instance of GeometryType associated to the Geometry implementation class
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* geomClass
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* @throws IllegalArgumentException
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* If geomClass is null or does not implement Geometry
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*/
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private GeometryType registerGeometryType(Class geomClass, String name, int id, |
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int type, int subType){ |
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if (geomClass == null) { |
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throw new IllegalArgumentException("geomClass cannot be null."); |
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} |
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if (!Geometry.class.isAssignableFrom(geomClass)) {
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throw new IllegalArgumentException(geomClass.getName() |
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+ " must implement the Geometry interface");
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} |
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// Check if it is registered
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GeometryType geomType = (GeometryType) geometryTypeName.get(geomClass |
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.getName()); |
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// If it is not, register it
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if (geomType == null) { |
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geomType = new DefaultGeometryType(geomClass, name, id, type, subType);
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geometryTypeName.put(geomClass.getName(), geomType); |
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geometryTypeList.add(id, geomType); |
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Map subTypes = null; |
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Integer key = new Integer(type); |
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if (!geometrySubtypes.containsKey(key)){
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subTypes = new HashMap(); |
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geometrySubtypes.put(key, subTypes); |
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}else{
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subTypes = (HashMap)geometrySubtypes.get(key);
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} |
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subTypes.put(new Integer(subType), geomType); |
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} else {
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// If it is already registered, throw exception
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geometryTypeIndex--; |
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//throw new IllegalArgumentException("Attempt to register a geometry type that is already registered: " + geomClass.getName());
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} |
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logger.debug("Class " + geomClass + " registered with name " + geomType.getName()); |
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return geomType;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryType(java.lang.Class, int)
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*/
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public GeometryType registerGeometryType(Class geomClass, int type, int subType) { |
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return registerGeometryType(geomClass, null, type, subType); |
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} |
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/**
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* Returns an instance of GeometryType given the associated Geometry implementation
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* class.
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*
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* @param geomClass
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* @return Instance of GeometryType associated to the Geometry implementation class
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*/
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private GeometryType getGeometryType(Class geomClass) { |
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logger.debug("getting " + geomClass.getName());
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return (GeometryType) geometryTypeName.get(geomClass.getName());
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#getGeometryType(java.lang.String)
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*/
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public GeometryType getGeometryType(String className) throws GeometryTypeNotSupportedException { |
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if (!geometryTypeName.containsKey(className)){
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throw new GeometryTypeNotSupportedException(className); |
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} |
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return (GeometryType) geometryTypeName.get(className);
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} |
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|
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#getGeometryType(int, int)
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*/
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public GeometryType getGeometryType(int type, int subType) throws GeometryTypeNotSupportedException, GeometryTypeNotValidException { |
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Iterator it = geometryTypeName.keySet().iterator();
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while (it.hasNext()){
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String className = (String)it.next(); |
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GeometryType geometryType = getGeometryType(className); |
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if ((type == geometryType.getType()) &&
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(subType == geometryType.getSubType())){ |
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return geometryType;
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} |
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if (subType == SUBTYPES.UNKNOWN){
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throw new GeometryTypeNotValidException(type, subType); |
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} |
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} |
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throw new GeometryTypeNotSupportedException(type, subType); |
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} |
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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#create(org.gvsig.fmap.geom.type.GeometryType)
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*/
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public Geometry create(GeometryType geomType) throws CreateGeometryException{ |
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return geomType.create();
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} |
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|
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/*
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* (non-Javadoc)
|
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* @see org.gvsig.fmap.geom.GeometryManager#create(java.lang.String)
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*/
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public Geometry create(String name) throws CreateGeometryException{ |
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if (!geometryTypeName.containsKey(name)){
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throw new IllegalArgumentException(name + " has not been registered yet."); |
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} |
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return ((GeometryType)geometryTypeName.get(name)).create();
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} |
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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#create(int)
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*/
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public Geometry create(int type, int subType) throws CreateGeometryException{ |
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if (!geometrySubtypes.containsKey(new Integer(type))){ |
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throw new IllegalArgumentException("geometry type" + type + " has not been registered yet."); |
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} |
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Map subtypes = (Map)geometrySubtypes.get(new Integer(type)); |
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if (!subtypes.containsKey(new Integer(subType))){ |
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throw new IllegalArgumentException("geometry subtype" + subType + " has not been registered yet."); |
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} |
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return ((GeometryType)subtypes.get(new Integer(subType))).create(); |
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} |
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|
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#createCurve(org.gvsig.fmap.geom.primitive.GeneralPathX, int)
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*/
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public Curve createCurve(GeneralPathX generalPathX, int subType) |
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throws CreateGeometryException {
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Curve curve = (Curve)create(TYPES.CURVE, subType); |
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curve.setGeneralPath(generalPathX); |
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return curve;
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} |
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|
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#createNullGeometry(int)
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*/
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public NullGeometry createNullGeometry(int subType) |
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throws CreateGeometryException {
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NullGeometry nullGeom = (NullGeometry)create(TYPES.NULL, subType); |
475 |
return nullGeom;
|
476 |
} |
477 |
|
478 |
/* (non-Javadoc)
|
479 |
* @see org.gvsig.fmap.geom.GeometryManager#createPoint(double, double, int)
|
480 |
*/
|
481 |
public Point createPoint(double x, double y, int subType) |
482 |
throws CreateGeometryException {
|
483 |
Point point = (Point)create(TYPES.POINT, subType); |
484 |
point.setX(x); |
485 |
point.setY(y); |
486 |
return point;
|
487 |
} |
488 |
|
489 |
/* (non-Javadoc)
|
490 |
* @see org.gvsig.fmap.geom.GeometryManager#createSurface(org.gvsig.fmap.geom.primitive.GeneralPathX, int)
|
491 |
*/
|
492 |
public Surface createSurface(GeneralPathX generalPathX, int subType) |
493 |
throws CreateGeometryException {
|
494 |
Surface surface = (Surface)create(TYPES.SURFACE, subType); |
495 |
surface.setGeneralPath(generalPathX); |
496 |
return surface;
|
497 |
} |
498 |
|
499 |
/* (non-Javadoc)
|
500 |
* @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperation(int, int, int)
|
501 |
*/
|
502 |
public GeometryOperation getGeometryOperation(int opCode, int type, |
503 |
int subType) throws GeometryTypeNotSupportedException, |
504 |
GeometryOperationNotSupportedException, GeometryTypeNotValidException { |
505 |
GeometryType geometryType = getGeometryType(type, subType); |
506 |
return geometryType.getGeometryOperation(opCode);
|
507 |
} |
508 |
|
509 |
// /*
|
510 |
// * (non-Javadoc)
|
511 |
// * @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperation(java.lang.Class, int)
|
512 |
// */
|
513 |
// private GeometryOperation getGeometryOperation(Class geomClass, int opCode) throws GeometryTypeNotSupportedException, GeometryOperationNotSupportedException {
|
514 |
//
|
515 |
// GeometryOperation geomOp = null;
|
516 |
//
|
517 |
// // Check if it is a common operation, and if so, get it from the common registry
|
518 |
// if (opCode >= COMMON_OPS_OFFSET) {
|
519 |
// geomOp = ((GeometryOperation)commonOperations.get(opCode - COMMON_OPS_OFFSET));
|
520 |
//
|
521 |
// if (geomOp == null) {
|
522 |
// throw new GeometryOperationNotSupportedException(opCode);
|
523 |
// }
|
524 |
// } else {
|
525 |
// // If it is type specific, get it from its type registry
|
526 |
// if (geomClass != null) {
|
527 |
// GeometryType geomType = getGeometryType(geomClass);
|
528 |
//
|
529 |
// // If the geometry type is not registered, throw an exception
|
530 |
// if (geomType == null) {
|
531 |
// throw new GeometryTypeNotSupportedException(geomClass);
|
532 |
// }
|
533 |
//
|
534 |
// // Get the operation
|
535 |
// geomOp = geomType.getGeometryOperation(opCode);
|
536 |
//
|
537 |
// // If the operation is not registered throw an exception
|
538 |
// if (geomOp == null) {
|
539 |
// throw new GeometryOperationNotSupportedException(opCode, geomType);
|
540 |
// }
|
541 |
// }
|
542 |
// }
|
543 |
// return geomOp;
|
544 |
// }
|
545 |
|
546 |
/*
|
547 |
* (non-Javadoc)
|
548 |
* @see org.gvsig.fmap.geom.GeometryManager#invokeOperation(int, org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
549 |
*/
|
550 |
public Object invokeOperation(int opCode, Geometry geom, GeometryOperationContext ctx) throws GeometryOperationNotSupportedException, GeometryOperationException { |
551 |
GeometryOperation geomOp = geom.getGeometryType().getGeometryOperation(opCode); |
552 |
|
553 |
if (geomOp != null) { |
554 |
return geomOp.invoke(geom, ctx);
|
555 |
} |
556 |
|
557 |
throw new GeometryOperationNotSupportedException(opCode, geom.getGeometryType()); |
558 |
} |
559 |
|
560 |
/* (non-Javadoc)
|
561 |
* @see org.gvsig.fmap.geom.GeometryManager#invokeOperation(java.lang.String, org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
562 |
*/
|
563 |
public Object invokeOperation(String geomOpName, Geometry geom, |
564 |
GeometryOperationContext ctx) |
565 |
throws GeometryOperationNotSupportedException,
|
566 |
GeometryOperationException { |
567 |
int index = geometryOperations.indexOf(geomOpName);
|
568 |
if (index == -1){ |
569 |
throw new GeometryOperationNotSupportedException(-1); |
570 |
} |
571 |
return invokeOperation(index, geom, ctx);
|
572 |
} |
573 |
|
574 |
/*
|
575 |
* (non-Javadoc)
|
576 |
* @see org.gvsig.fmap.geom.GeometryManager#unregisterGeometryType(java.lang.Class)
|
577 |
*/
|
578 |
public GeometryType unregisterGeometryType(Class geomClass) { |
579 |
return (GeometryType) geometryTypeName.remove(geomClass.getName());
|
580 |
} |
581 |
|
582 |
/* (non-Javadoc)
|
583 |
* @see org.gvsig.fmap.geom.GeometryManager#createEnvelope(int)
|
584 |
*/
|
585 |
public Envelope createEnvelope(int subType) { |
586 |
//TODO: register the envelopes!!!
|
587 |
switch (subType){
|
588 |
case SUBTYPES.GEOM2DZ:
|
589 |
case SUBTYPES.GEOM3D:
|
590 |
return new Envelope3D(); |
591 |
default:
|
592 |
return new Envelope2D(); |
593 |
} |
594 |
} |
595 |
|
596 |
|
597 |
/* (non-Javadoc)
|
598 |
* @see org.gvsig.fmap.geom.GeometryManager#createEnvelope(double, double, double, double)
|
599 |
*/
|
600 |
public Envelope createEnvelope(double minX, double minY, double maxX, |
601 |
double maxY, int subType) throws CreateEnvelopeException { |
602 |
Envelope envelope = null;
|
603 |
org.gvsig.fmap.geom.primitive.Point min = null;
|
604 |
org.gvsig.fmap.geom.primitive.Point max = null;
|
605 |
try {
|
606 |
min = (org.gvsig.fmap.geom.primitive.Point)create(TYPES.POINT, subType); |
607 |
min.setX(minX); |
608 |
min.setY(minY); |
609 |
max = (org.gvsig.fmap.geom.primitive.Point)create(TYPES.POINT, subType); |
610 |
max.setX(maxX); |
611 |
max.setY(maxY); |
612 |
}catch (CreateGeometryException e){
|
613 |
throw new CreateEnvelopeException(subType, e); |
614 |
} |
615 |
envelope = createEnvelope(subType); |
616 |
envelope.setLowerCorner(min); |
617 |
envelope.setUpperCorner(max); |
618 |
return envelope;
|
619 |
} |
620 |
|
621 |
public MultiCurve createMultiCurve(GeneralPathX generalPathX, int subType) |
622 |
throws CreateGeometryException {
|
623 |
if (subType != SUBTYPES.GEOM2D){
|
624 |
// FIXME Exception
|
625 |
throw new UnsupportedOperationException(); |
626 |
} |
627 |
MultiCurve multiCurve = (MultiCurve) create(TYPES.MULTICURVE, subType); |
628 |
PathIterator piter = generalPathX.getPathIterator(null); |
629 |
GeneralPathX tmpPath = null;
|
630 |
Curve tmpCurve = null;
|
631 |
double[] coords = new double[6]; |
632 |
double[] first = new double[6]; |
633 |
int type;
|
634 |
while (!piter.isDone()) {
|
635 |
type = piter.currentSegment(coords); |
636 |
switch (type) {
|
637 |
case PathIterator.SEG_MOVETO: |
638 |
if (tmpPath != null){ |
639 |
tmpCurve = createCurve(tmpPath, subType); |
640 |
multiCurve.addCurve(tmpCurve); |
641 |
} |
642 |
System.arraycopy(coords, 0, first, 0, 2); |
643 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
644 |
tmpPath.moveTo(coords[0], coords[1]); |
645 |
break;
|
646 |
|
647 |
|
648 |
case PathIterator.SEG_LINETO: |
649 |
if (tmpPath == null) { |
650 |
System.arraycopy(coords, 0, first, 0, 2); |
651 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
652 |
} |
653 |
tmpPath.lineTo(coords[0], coords[1]); |
654 |
break;
|
655 |
|
656 |
|
657 |
case PathIterator.SEG_QUADTO: |
658 |
if (tmpPath == null) { |
659 |
System.arraycopy(coords, 0, first, 0, 2); |
660 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
661 |
} |
662 |
tmpPath.quadTo(coords[0], coords[1], coords[2], coords[3]); |
663 |
break;
|
664 |
|
665 |
case PathIterator.SEG_CUBICTO: |
666 |
if (tmpPath == null) { |
667 |
System.arraycopy(coords, 0, first, 0, 2); |
668 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
669 |
} |
670 |
tmpPath.curveTo(coords[0], coords[1], coords[2], coords[3], |
671 |
coords[4], coords[5]); |
672 |
break;
|
673 |
|
674 |
case PathIterator.SEG_CLOSE: |
675 |
tmpPath.lineTo(first[0], first[1]); |
676 |
break;
|
677 |
|
678 |
} // end switch
|
679 |
|
680 |
piter.next(); |
681 |
|
682 |
} |
683 |
if (tmpPath != null) { |
684 |
tmpCurve = createCurve(tmpPath, subType); |
685 |
multiCurve.addCurve(tmpCurve); |
686 |
} |
687 |
|
688 |
return multiCurve;
|
689 |
|
690 |
} |
691 |
|
692 |
public MultiSurface createMultiSurface(GeneralPathX generalPathX,
|
693 |
int subType)
|
694 |
throws CreateGeometryException {
|
695 |
if (subType != SUBTYPES.GEOM2D) {
|
696 |
// FIXME Exception
|
697 |
throw new UnsupportedOperationException(); |
698 |
} |
699 |
MultiSurface multiSurface = (MultiSurface) create(TYPES.MULTISURFACE, |
700 |
subType); |
701 |
PathIterator piter = generalPathX.getPathIterator(null); |
702 |
GeneralPathX tmpPath = null;
|
703 |
Surface tmpSurface = null;
|
704 |
double[] coords = new double[6]; |
705 |
double[] first = new double[6]; |
706 |
int type;
|
707 |
while (!piter.isDone()) {
|
708 |
type = piter.currentSegment(coords); |
709 |
switch (type) {
|
710 |
case PathIterator.SEG_MOVETO: |
711 |
if (tmpPath != null) { |
712 |
tmpSurface = createSurface(tmpPath, subType); |
713 |
multiSurface.addSurface(tmpSurface); |
714 |
} |
715 |
System.arraycopy(coords, 0, first, 0, 2); |
716 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
717 |
tmpPath.moveTo(coords[0], coords[1]); |
718 |
|
719 |
case PathIterator.SEG_LINETO: |
720 |
if (tmpPath == null) { |
721 |
System.arraycopy(coords, 0, first, 0, 2); |
722 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
723 |
} |
724 |
tmpPath.lineTo(coords[0], coords[1]); |
725 |
break;
|
726 |
|
727 |
|
728 |
case PathIterator.SEG_QUADTO: |
729 |
if (tmpPath == null) { |
730 |
System.arraycopy(coords, 0, first, 0, 2); |
731 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
732 |
} |
733 |
tmpPath.quadTo(coords[0], coords[1], coords[2], coords[3]); |
734 |
break;
|
735 |
|
736 |
case PathIterator.SEG_CUBICTO: |
737 |
if (tmpPath == null) { |
738 |
System.arraycopy(coords, 0, first, 0, 2); |
739 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
740 |
} |
741 |
tmpPath.curveTo(coords[0], coords[1], coords[2], coords[3], |
742 |
coords[4], coords[5]); |
743 |
break;
|
744 |
|
745 |
case PathIterator.SEG_CLOSE: |
746 |
tmpPath.lineTo(first[0], first[1]); |
747 |
break;
|
748 |
} // end switch
|
749 |
|
750 |
piter.next(); |
751 |
|
752 |
} |
753 |
if (tmpPath != null) { |
754 |
tmpSurface = createSurface(tmpPath, subType); |
755 |
multiSurface.addSurface(tmpSurface); |
756 |
} |
757 |
|
758 |
return multiSurface;
|
759 |
|
760 |
} |
761 |
|
762 |
/* (non-Javadoc)
|
763 |
* @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperationCode(java.lang.String)
|
764 |
*/
|
765 |
public int getGeometryOperationCode(String geomOpName) { |
766 |
if (geomOpName == null) { |
767 |
throw new IllegalArgumentException("geomOpName cannot be null."); |
768 |
} |
769 |
|
770 |
int index = geometryOperations.indexOf(geomOpName);
|
771 |
if (index == -1) { |
772 |
geometryOperations.add(geomOpName); |
773 |
index = geometryOperations.indexOf(geomOpName); |
774 |
} |
775 |
return index;
|
776 |
} |
777 |
|
778 |
/* (non-Javadoc)
|
779 |
* @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperationNames()
|
780 |
*/
|
781 |
public List getGeometryOperationNames() { |
782 |
ArrayList operations = new ArrayList(); |
783 |
for (int i=0 ; i<operations.size() ; i++){ |
784 |
operations.add(geometryOperations.get(i)); |
785 |
} |
786 |
return operations;
|
787 |
} |
788 |
|
789 |
/*
|
790 |
* (non-Javadoc)
|
791 |
* @see org.gvsig.fmap.geom.GeometryManager#getFlatness()
|
792 |
*/
|
793 |
public double getFlatness() { |
794 |
return flatness;
|
795 |
} |
796 |
|
797 |
/*
|
798 |
* (non-Javadoc)
|
799 |
* @see org.gvsig.fmap.geom.GeometryManager#setFlatness(double)
|
800 |
*/
|
801 |
public void setFlatness(double flatness) { |
802 |
this.flatness = flatness;
|
803 |
} |
804 |
} |
805 |
|