svn-gvsig-desktop / tags / v2_0_0_Build_2030 / libraries / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / symbol / line / impl / SimpleLineSymbol.java @ 35919
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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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package org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.impl; |
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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 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.Geometry.SUBTYPES; |
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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.exception.CreateGeometryException; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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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.fmap.mapcontext.rendering.symbols.SymbolManager; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ILineSymbol; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ISimpleLineSymbol; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style.ArrowDecoratorStyle; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style.Line2DOffset; |
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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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* SimpleLineSymbol is the most basic symbol for the representation of line objects.
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* Allows to define the width of the line, the color and the drawn pattern.
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*
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* @author 2005-2008 jaume dominguez faus - jaume.dominguez@iver.es
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* @author 2009- <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG team
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*/
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public class SimpleLineSymbol extends AbstractLineSymbol implements ISimpleLineSymbol { |
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private static final Logger LOG = LoggerFactory.getLogger(SimpleLineSymbol.class); |
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public static final String SIMPLE_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME = "SimpleLineSymbol"; |
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private static final String SELECTION_SYMBOL = "symbolForSelection"; |
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SimpleLineSymbol symbolForSelection; |
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private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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public SimpleLineSymbol() {
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super();
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setLineWidth(1d);
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} |
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public ISymbol getSymbolForSelection() {
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if (symbolForSelection == null) { |
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symbolForSelection = (SimpleLineSymbol) cloneForSelection(); |
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} |
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return symbolForSelection;
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} |
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public void draw(Graphics2D g, AffineTransform affineTransform, |
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Geometry geom, Feature feature, Cancellable cancel) { |
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Geometry geomToDraw = geom.cloneGeometry(); |
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g.setStroke(getLineStyle().getStroke()); |
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if (getLineStyle().getOffset() != 0) { |
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double offset = getLineStyle().getOffset();
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try {
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geomToDraw = |
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geomManager.createSurface(Line2DOffset.offsetLine( |
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geomToDraw.getShape(), offset), SUBTYPES.GEOM2D); |
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} catch (CreateGeometryException e) {
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LOG.error("Creating a Surface", e);
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} |
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} |
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g.setColor(getColor()); |
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g.draw(geomToDraw.getShape(affineTransform)); |
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ArrowDecoratorStyle arrowDecorator = (ArrowDecoratorStyle) getLineStyle().getArrowDecorator(); |
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if (arrowDecorator != null) { |
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try {
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arrowDecorator.draw(g, affineTransform, geom, feature); |
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} catch (CreateGeometryException e) {
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LOG.error("Error creating a geometry");
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} |
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} |
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} |
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public int getOnePointRgb() { |
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return getColor().getRGB();
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} |
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public void drawInsideRectangle(Graphics2D g, |
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AffineTransform scaleInstance, Rectangle r, PrintAttributes properties) throws SymbolDrawingException { |
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g.setColor(getColor()); |
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g.setStroke(getLineStyle().getStroke()); |
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super.drawInsideRectangle(g, scaleInstance, r, properties);
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} |
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public void setLineWidth(double width) { |
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getLineStyle().setLineWidth((float) width);
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} |
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public double getLineWidth() { |
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return getLineStyle().getLineWidth();
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} |
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public Object clone() throws CloneNotSupportedException { |
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SimpleLineSymbol copy = (SimpleLineSymbol) super.clone();
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if (symbolForSelection != null) { |
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copy.symbolForSelection = (SimpleLineSymbol) symbolForSelection |
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.clone(); |
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} |
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return copy;
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} |
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public void loadFromState(PersistentState state) throws PersistenceException { |
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// Set parent style properties
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super.loadFromState(state);
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this.symbolForSelection = (SimpleLineSymbol) state.get(SELECTION_SYMBOL);
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} |
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public void saveToState(PersistentState state) throws PersistenceException { |
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// Save parent fill symbol properties
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super.saveToState(state);
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// Save own properties
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if (this.symbolForSelection != null){ |
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state.set(SELECTION_SYMBOL, this.getSymbolForSelection());
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} |
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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(SIMPLE_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME)==null ) { |
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DynStruct definition = manager.addDefinition( |
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SimpleLineSymbol.class, |
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SIMPLE_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME, |
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SIMPLE_LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME+" Persistence definition",
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null,
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null
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); |
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// Extend the LineSymbol base definition
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definition.extend(manager.getDefinition(LINE_SYMBOL_PERSISTENCE_DEFINITION_NAME)); |
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definition.addDynFieldObject(SELECTION_SYMBOL).setClassOfValue(SimpleLineSymbol.class); |
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} |
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return Boolean.TRUE; |
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} |
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} |
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public static class RegisterSymbol implements Callable { |
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public Object call() throws Exception { |
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int[] shapeTypes; |
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SymbolManager manager = MapContextLocator.getSymbolManager(); |
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shapeTypes = new int[] { Geometry.TYPES.CURVE, Geometry.TYPES.ARC, |
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Geometry.TYPES.ELLIPTICARC, Geometry.TYPES.MULTICURVE }; |
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manager.registerSymbol(ILineSymbol.SYMBOL_NAME, |
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shapeTypes, |
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SimpleLineSymbol.class); |
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return Boolean.TRUE; |
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} |
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} |
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} |