root / branches / v2_0_0_prep / libraries / org.gvsig.symbology / org.gvsig.symbology.lib / org.gvsig.symbology.lib.impl / src / main / java / org / gvsig / symbology / fmap / mapcontext / rendering / legend / impl / AbstractVectorialLegend.java @ 34978
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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 {DiSiD Technologies} {{Task}}
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*/
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package org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl; |
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import java.awt.Graphics2D; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.PathIterator; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Map.Entry; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.compat.CompatLocator; |
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import org.gvsig.compat.print.PrintAttributes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureSelection; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.dal.feature.exception.ConcurrentDataModificationException; |
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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.aggregate.Aggregate; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.operation.DrawInts; |
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import org.gvsig.fmap.geom.operation.DrawOperationContext; |
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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.Envelope; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.MapContextException; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.ContainsEnvelopeEvaluator; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.IntersectsEnvelopeEvaluator; |
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import org.gvsig.fmap.mapcontext.rendering.legend.ILegend; |
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import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
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import org.gvsig.fmap.mapcontext.rendering.legend.LegendException; |
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import org.gvsig.fmap.mapcontext.rendering.legend.ZSort; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.CartographicSupport; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.IMultiLayerSymbol; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.exception.BaseException; |
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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.task.SimpleTaskStatus; |
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import org.gvsig.tools.util.Callable; |
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import org.gvsig.tools.visitor.VisitCanceledException; |
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import org.gvsig.tools.visitor.Visitor; |
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/**
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* Base implementation for Vectorial data Legends.
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*
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* Provides a draw method implementation which loads the {@link Feature}s and
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* uses the {@link ISymbol} objects to draw the {@link Geometry} objects.
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*
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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 abstract class AbstractVectorialLegend extends AbstractLegend implements |
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IVectorLegend {
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public static final String VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME = "VectorialLegend"; |
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private static final String FIELD_HAS_ZSORT = "hasZSort"; |
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private static final String FIELD_SHAPETYPE = "shapeType"; |
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private static final String FIELD_DEFAULT_SYMBOL = "defaultSymbol"; |
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private static final GeometryManager geomManager = GeometryLocator |
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.getGeometryManager(); |
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protected ZSort zSort;
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public ZSort getZSort() {
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return zSort;
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} |
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public void setZSort(ZSort zSort) { |
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if (zSort == null) { |
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removeLegendListener(this.zSort);
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} |
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this.zSort = zSort;
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addLegendListener(zSort); |
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} |
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@SuppressWarnings("unchecked") |
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel, double scale, Map queryParameters, |
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ICoordTrans coordTrans, FeatureStore featureStore) |
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throws LegendException {
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double dpi = MapContext.getScreenDPI();
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draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, |
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featureStore, dpi); |
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} |
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@SuppressWarnings("unchecked") |
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, |
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double scale, Map queryParameters, ICoordTrans coordTrans, |
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FeatureStore featureStore, PrintAttributes properties) |
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throws LegendException {
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double dpi = 72; |
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int resolution = properties.getPrintQuality();
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if (resolution == PrintAttributes.PRINT_QUALITY_NORMAL) {
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dpi = 300;
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} else if (resolution == PrintAttributes.PRINT_QUALITY_HIGH) { |
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dpi = 600;
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} else if (resolution == PrintAttributes.PRINT_QUALITY_DRAFT) { |
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dpi = 72;
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} |
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FeatureSet featureSet = null;
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DisposableIterator it = null;
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try {
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ZSort zSort = getZSort(); |
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// if layer has map levels it will use a ZSort
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boolean useZSort = zSort != null && zSort.isUsingZSort(); |
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int mapLevelCount = (useZSort) ? zSort.getLevelCount() : 1; |
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for (int mapPass = 0; mapPass < mapLevelCount; mapPass++) { |
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// Get the iterator over the visible features
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String[] fieldNames = getRequiredFeatureAttributeNames(featureStore); |
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FeatureQuery featureQuery = featureStore.createFeatureQuery(); |
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featureQuery.setAttributeNames(fieldNames); |
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featureQuery.setScale(scale); |
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ContainsEnvelopeEvaluator iee = new ContainsEnvelopeEvaluator(
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viewPort.getAdjustedEnvelope(), |
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viewPort.getProjection(), |
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featureStore.getDefaultFeatureType(), featureStore |
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.getDefaultFeatureType() |
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.getDefaultGeometryAttributeName()); |
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featureQuery.setFilter(iee); |
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featureSet = featureStore.getFeatureSet(featureQuery); |
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it = featureSet.fastIterator(); |
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// Iteration over each feature
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while (!cancel.isCanceled() && it.hasNext()) {
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Feature feat = (Feature) it.next(); |
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Geometry geom = feat.getDefaultGeometry(); |
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// retrieve the symbol associated to such feature
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ISymbol sym = getSymbolByFeature(feat); |
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if (sym == null) { |
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continue;
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} |
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if (useZSort) {
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int[] symLevels = zSort.getLevels(sym); |
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if (symLevels != null) { |
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// Check if this symbol is a multilayer
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if (sym instanceof IMultiLayerSymbol) { |
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// if so, get the layer corresponding to the
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// current level. If none, continue to next
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// iteration
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IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym; |
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for (int i = 0; i < mlSym.getLayerCount(); i++) { |
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ISymbol mySym = mlSym.getLayer(i); |
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if (symLevels[i] == mapPass) {
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sym = mySym; |
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break;
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} |
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} |
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} else {
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// else, just draw the symbol in its level
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if (symLevels[0] != mapPass) { |
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continue;
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} |
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} |
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} |
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} |
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// Check if this symbol is sized with CartographicSupport
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CartographicSupport csSym = null;
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int symbolType = sym.getSymbolType();
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if (symbolType == Geometry.TYPES.POINT
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|| symbolType == Geometry.TYPES.CURVE |
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|| sym instanceof CartographicSupport) {
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csSym = (CartographicSupport) sym; |
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} |
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DrawOperationContext doc = new DrawOperationContext();
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doc.setGraphics(g); |
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doc.setViewPort(viewPort); |
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if (csSym == null) { |
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doc.setSymbol(sym); |
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} else {
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doc.setDPI(dpi); |
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doc.setCancellable(cancel); |
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doc.setSymbol((ISymbol) csSym); |
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} |
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geom.invokeOperation(DrawInts.CODE, doc); |
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} |
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} |
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} catch (ReadException e) {
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throw new LegendDrawingException(e); |
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} catch (GeometryOperationNotSupportedException e) {
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throw new LegendDrawingException(e); |
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} catch (GeometryOperationException e) {
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throw new LegendDrawingException(e); |
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} catch (DataException e) {
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throw new LegendDrawingException(e); |
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} catch (MapContextException e) {
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throw new LegendDrawingException(e); |
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} finally {
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if (it != null) { |
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it.dispose(); |
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} |
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if (featureSet != null) { |
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featureSet.dispose(); |
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} |
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} |
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} |
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/**
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* Draws the features from the {@link FeatureStore}, filtered with the scale
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* and the query parameters, with the symbols of the legend.
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*/
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@SuppressWarnings("unchecked") |
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protected void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel, double scale, Map queryParameters, |
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ICoordTrans coordTrans, FeatureStore featureStore, double dpi)
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throws LegendException {
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SimpleTaskStatus taskStatus = null;
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try {
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taskStatus = ToolsLocator.getTaskStatusManager() |
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.creteDefaultSimpleTaskStatus(featureStore.getName()); |
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taskStatus.add(); |
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if (!getDefaultSymbol().isShapeVisible()) {
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return;
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} |
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if (cancel.isCanceled()) {
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return;
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} |
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IProjection dataProjection; |
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Envelope reprojectedDataEnvelop; |
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try {
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if (coordTrans == null) { |
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dataProjection = featureStore.getDefaultFeatureType() |
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.getDefaultSRS(); |
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// If the data does not provide a projection, use the
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// current
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// view one
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if (dataProjection == null) { |
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dataProjection = viewPort.getProjection(); |
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} |
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reprojectedDataEnvelop = featureStore.getEnvelope(); |
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} else {
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dataProjection = coordTrans.getPOrig(); |
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reprojectedDataEnvelop = featureStore.getEnvelope() |
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.convert(coordTrans); |
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} |
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} catch (DataException e) {
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throw new LegendDrawingException(e); |
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} |
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// Gets the view envelope
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Envelope viewPortEnvelope = viewPort.getAdjustedEnvelope(); |
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// Gets the data envelope with the viewport SRS
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Envelope myEnvelope = reprojectedDataEnvelop; |
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// TODO: in some cases, the legend may need a different check to
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// decide if the data must be drawn or not
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// Checks if the viewport envelope intersects with the data envelope
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if (!viewPortEnvelope.intersects(myEnvelope)) {
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// The data is not visible in the current viewport, do nothing.
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return;
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} |
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// Check if all the data is contained into the viewport envelope
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boolean containsAll = viewPortEnvelope.contains(myEnvelope);
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// Create the drawing notification to be reused on each iteration
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DefaultFeatureDrawnNotification drawnNotification = new DefaultFeatureDrawnNotification();
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if (cancel.isCanceled()) {
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return;
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} |
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FeatureSet featureSet = null;
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try {
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taskStatus.message("Retrieve selection");
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FeatureSelection selection = featureStore.getFeatureSelection(); |
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FeatureQuery featureQuery = createQuery(featureStore, scale, |
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queryParameters, coordTrans, dataProjection, |
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viewPortEnvelope, containsAll); |
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taskStatus.message("Retrieve data");
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featureSet = featureStore.getFeatureSet(featureQuery); |
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if (cancel.isCanceled()) {
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return;
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} |
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taskStatus.message("Drawing");
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drawFeatures(image, g, viewPort, cancel, coordTrans, dpi, |
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drawnNotification, featureSet, selection); |
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} catch (BaseException e) {
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throw new LegendDrawingException(e); |
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} finally {
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if (featureSet != null) { |
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featureSet.dispose(); |
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} |
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} |
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} finally {
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if (taskStatus != null) { |
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taskStatus.terminate(); |
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taskStatus.remove(); |
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taskStatus = null;
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} |
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} |
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} |
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/**
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* Creates a {@link FeatureQuery} to load the {@link Feature}s to draw.
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*/
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@SuppressWarnings("unchecked") |
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private FeatureQuery createQuery(FeatureStore featureStore, double scale, |
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Map queryParameters, ICoordTrans coordTrans,
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IProjection dataProjection, Envelope viewPortEnvelope, |
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boolean containsAll) throws DataException { |
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FeatureQuery featureQuery = featureStore.createFeatureQuery(); |
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featureQuery.setScale(scale); |
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String[] fieldNames = getRequiredFeatureAttributeNames(featureStore); |
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featureQuery.setAttributeNames(fieldNames); |
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// TODO: Mobile has it's own IntersectsEnvelopeEvaluator
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if (!containsAll) {
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// Gets the viewport envelope with the data SRS
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Envelope viewPortEnvelopeInMyProj = viewPortEnvelope; |
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// FIXME
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if (coordTrans != null) { |
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viewPortEnvelopeInMyProj = viewPortEnvelope.convert(coordTrans |
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.getInverted()); |
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} |
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if (dataProjection == null) { |
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throw new IllegalArgumentException( |
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"Error, the projection parameter value is null");
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} |
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IntersectsEnvelopeEvaluator iee = new IntersectsEnvelopeEvaluator(
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viewPortEnvelopeInMyProj, dataProjection, |
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featureStore.getDefaultFeatureType(), featureStore |
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.getDefaultFeatureType() |
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.getDefaultGeometryAttributeName()); |
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featureQuery.setFilter(iee); |
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} |
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if (queryParameters != null) { |
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Iterator iterEntry = queryParameters.entrySet().iterator();
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Entry entry; |
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while (iterEntry.hasNext()) {
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entry = (Entry) iterEntry.next(); |
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featureQuery.setQueryParameter((String) entry.getKey(),
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entry.getValue()); |
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} |
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} |
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return featureQuery;
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} |
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|
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/**
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* Draws the features from the {@link FeatureSet}, with the symbols of the
|
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* legend.
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*/
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private void drawFeatures(BufferedImage image, Graphics2D g, |
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ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
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double dpi, DefaultFeatureDrawnNotification drawnNotification,
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FeatureSet featureSet, FeatureSelection selection) |
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throws BaseException {
|
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if (isUseZSort()) {
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drawFeaturesMultiLayer(image, g, viewPort, cancel, coordTrans, dpi, |
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drawnNotification, featureSet, selection); |
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} else {
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drawFeaturesSingleLayer(image, g, viewPort, cancel, coordTrans, |
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dpi, drawnNotification, featureSet, selection); |
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} |
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} |
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|
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/**
|
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* Draws the features from the {@link FeatureSet}, with the symbols of the
|
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* legend, using a single drawing layer.
|
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*/
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private void drawFeaturesSingleLayer(final BufferedImage image, |
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final Graphics2D g, final ViewPort viewPort, |
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final Cancellable cancel, final ICoordTrans coordTrans, |
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final double dpi, |
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final DefaultFeatureDrawnNotification drawnNotification,
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FeatureSet featureSet, final FeatureSelection selection)
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throws BaseException {
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try {
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featureSet.accept(new Visitor() {
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public void visit(Object obj) throws VisitCanceledException, |
| 447 |
BaseException {
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Feature feat = (Feature) obj; |
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drawFeatureSingleLayer(image, g, viewPort, cancel, |
| 450 |
coordTrans, dpi, drawnNotification, feat, selection); |
| 451 |
} |
| 452 |
}); |
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} catch (ConcurrentDataModificationException e) {
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cancel.setCanceled(true);
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return;
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} |
| 458 |
} |
| 459 |
|
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/**
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* Draws a Feature with the symbols of the legend, using a single drawing
|
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* layer.
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*/
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private void drawFeatureSingleLayer(BufferedImage image, Graphics2D g, |
| 465 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
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double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
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Feature feat, FeatureSelection selection) |
| 468 |
throws MapContextException, CreateGeometryException {
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|
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Geometry geom = feat.getDefaultGeometry(); |
| 471 |
if (geom == null) { |
| 472 |
return;
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} |
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|
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if (geom.getType() == Geometry.TYPES.NULL) {
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return;
|
| 477 |
} |
| 478 |
|
| 479 |
ISymbol sym = getSymbol(feat, selection); |
| 480 |
if (sym == null) { |
| 481 |
return;
|
| 482 |
} |
| 483 |
|
| 484 |
if (coordTrans != null) { |
| 485 |
geom = geom.cloneGeometry(); |
| 486 |
geom.reProject(coordTrans); |
| 487 |
} |
| 488 |
|
| 489 |
if (cancel.isCanceled()) {
|
| 490 |
return;
|
| 491 |
} |
| 492 |
|
| 493 |
drawGeometry(geom, image, feat, sym, viewPort, g, dpi, cancel); |
| 494 |
|
| 495 |
// Notify the drawing observers
|
| 496 |
drawnNotification.setFeature(feat); |
| 497 |
drawnNotification.setDrawnGeometry(geom); |
| 498 |
notifyObservers(drawnNotification); |
| 499 |
} |
| 500 |
|
| 501 |
/**
|
| 502 |
* Draws the features from the {@link FeatureSet}, with the symbols of the
|
| 503 |
* legend, using a multiple drawing layer.
|
| 504 |
*/
|
| 505 |
private void drawFeaturesMultiLayer(BufferedImage image, Graphics2D g, |
| 506 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
| 507 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
| 508 |
FeatureSet featureSet, FeatureSelection selection) |
| 509 |
throws MapContextException, CreateGeometryException, DataException {
|
| 510 |
|
| 511 |
// -- visual FX stuff
|
| 512 |
long time = System.currentTimeMillis(); |
| 513 |
|
| 514 |
boolean bSymbolLevelError = false; |
| 515 |
// render temporary map each screenRefreshRate milliseconds;
|
| 516 |
int screenRefreshDelay = (int) ((1D / MapContext.getDrawFrameRate()) * 3 * 1000); |
| 517 |
BufferedImage[] imageLevels = null; |
| 518 |
Graphics2D[] graphics = null; |
| 519 |
|
| 520 |
imageLevels = new BufferedImage[getZSort().getLevelCount()]; |
| 521 |
graphics = new Graphics2D[imageLevels.length]; |
| 522 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
| 523 |
|
| 524 |
imageLevels[i] = CompatLocator.getGraphicsUtils() |
| 525 |
.createBufferedImage(image.getWidth(), image.getHeight(), |
| 526 |
image.getType()); |
| 527 |
|
| 528 |
graphics[i] = imageLevels[i].createGraphics(); |
| 529 |
graphics[i].setTransform(g.getTransform()); |
| 530 |
graphics[i].setRenderingHints(g.getRenderingHints()); |
| 531 |
} |
| 532 |
// -- end visual FX stuff
|
| 533 |
|
| 534 |
DisposableIterator it = null;
|
| 535 |
try {
|
| 536 |
it = featureSet.fastIterator(); |
| 537 |
// Iteration over each feature
|
| 538 |
while (it.hasNext()) {
|
| 539 |
if (cancel.isCanceled()) {
|
| 540 |
return;
|
| 541 |
} |
| 542 |
Feature feat = (Feature) it.next(); |
| 543 |
|
| 544 |
bSymbolLevelError |= drawFeatureMultiLayer(image, g, viewPort, |
| 545 |
cancel, coordTrans, dpi, drawnNotification, selection, |
| 546 |
time, screenRefreshDelay, imageLevels, graphics, feat); |
| 547 |
|
| 548 |
} |
| 549 |
} catch (ConcurrentDataModificationException e) {
|
| 550 |
cancel.setCanceled(true);
|
| 551 |
return;
|
| 552 |
} finally {
|
| 553 |
if (it != null) { |
| 554 |
it.dispose(); |
| 555 |
} |
| 556 |
} |
| 557 |
|
| 558 |
g.drawImage(image, 0, 0, null); |
| 559 |
|
| 560 |
Point2D offset = viewPort.getOffset();
|
| 561 |
CompatLocator.getGraphicsUtils().translate(g, offset.getX(), |
| 562 |
offset.getY()); |
| 563 |
|
| 564 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
| 565 |
g.drawImage(imageLevels[i], 0, 0, null); |
| 566 |
imageLevels[i] = null;
|
| 567 |
graphics[i] = null;
|
| 568 |
} |
| 569 |
|
| 570 |
CompatLocator.getGraphicsUtils().translate(g, -offset.getX(), |
| 571 |
-offset.getY()); |
| 572 |
|
| 573 |
imageLevels = null;
|
| 574 |
graphics = null;
|
| 575 |
|
| 576 |
if (bSymbolLevelError) {
|
| 577 |
setZSort(null);
|
| 578 |
} |
| 579 |
} |
| 580 |
|
| 581 |
/**
|
| 582 |
* Draws a Feature with the symbols of the legend, using a multiple drawing
|
| 583 |
* layer.
|
| 584 |
*/
|
| 585 |
private boolean drawFeatureMultiLayer(BufferedImage image, Graphics2D g, |
| 586 |
ViewPort viewPort, Cancellable cancel, ICoordTrans coordTrans, |
| 587 |
double dpi, DefaultFeatureDrawnNotification drawnNotification,
|
| 588 |
FeatureSelection selection, long time, int screenRefreshDelay, |
| 589 |
BufferedImage[] imageLevels, Graphics2D[] graphics, Feature feat) |
| 590 |
throws MapContextException, CreateGeometryException {
|
| 591 |
|
| 592 |
Geometry geom = feat.getDefaultGeometry(); |
| 593 |
boolean bSymbolLevelError = false; |
| 594 |
long drawingTime = time;
|
| 595 |
|
| 596 |
if (geom.getType() == Geometry.TYPES.NULL) {
|
| 597 |
return false; |
| 598 |
} |
| 599 |
|
| 600 |
ISymbol sym = getSymbol(feat, selection); |
| 601 |
|
| 602 |
if (sym == null) { |
| 603 |
return false; |
| 604 |
} |
| 605 |
|
| 606 |
if (coordTrans != null) { |
| 607 |
geom = geom.cloneGeometry(); |
| 608 |
geom.reProject(coordTrans); |
| 609 |
} |
| 610 |
|
| 611 |
if (cancel.isCanceled()) {
|
| 612 |
return false; |
| 613 |
} |
| 614 |
|
| 615 |
// Check if this symbol is a multilayer
|
| 616 |
int[] symLevels = getZSort().getLevels(sym); |
| 617 |
if (sym instanceof IMultiLayerSymbol) { |
| 618 |
// if so, treat each of its layers as a single
|
| 619 |
// symbol
|
| 620 |
// in its corresponding map level
|
| 621 |
IMultiLayerSymbol mlSym = (IMultiLayerSymbol) sym; |
| 622 |
for (int i = 0; !cancel.isCanceled() && i < mlSym.getLayerCount(); i++) { |
| 623 |
ISymbol mySym = mlSym.getLayer(i); |
| 624 |
int symbolLevel = 0; |
| 625 |
if (symLevels != null) { |
| 626 |
symbolLevel = symLevels[i]; |
| 627 |
} else {
|
| 628 |
/*
|
| 629 |
* an error occured when managing symbol levels some of the
|
| 630 |
* legend changed events regarding the symbols did not
|
| 631 |
* finish satisfactory and the legend is now inconsistent.
|
| 632 |
* For this drawing, it will finish as it was at the bottom
|
| 633 |
* (level 0) but, when done, the ZSort will be reset to
|
| 634 |
* avoid app crashes. This is a bug that has to be fixed.
|
| 635 |
*/
|
| 636 |
bSymbolLevelError = true;
|
| 637 |
} |
| 638 |
drawGeometry(geom, imageLevels[symbolLevel], feat, mySym, |
| 639 |
viewPort, graphics[symbolLevel], dpi, cancel); |
| 640 |
} |
| 641 |
} else {
|
| 642 |
// else, just draw the symbol in its level
|
| 643 |
int symbolLevel = 0; |
| 644 |
if (symLevels != null) { |
| 645 |
symbolLevel = symLevels[0];
|
| 646 |
} |
| 647 |
drawGeometry(geom, imageLevels[symbolLevel], feat, sym, viewPort, |
| 648 |
graphics[symbolLevel], dpi, cancel); |
| 649 |
} |
| 650 |
|
| 651 |
// -- visual FX stuff
|
| 652 |
// Cuando el offset!=0 se est? dibujando sobre el
|
| 653 |
// Layout y por tanto no tiene que ejecutar el
|
| 654 |
// siguiente c?digo.
|
| 655 |
Point2D offset = viewPort.getOffset();
|
| 656 |
if (offset.getX() == 0 && offset.getY() == 0) { |
| 657 |
if ((System.currentTimeMillis() - drawingTime) > screenRefreshDelay) { |
| 658 |
|
| 659 |
BufferedImage virtualBim = CompatLocator.getGraphicsUtils()
|
| 660 |
.createBufferedImage(image.getWidth(), |
| 661 |
image.getHeight(), BufferedImage.TYPE_INT_ARGB);
|
| 662 |
|
| 663 |
Graphics2D virtualGraphics = virtualBim.createGraphics();
|
| 664 |
virtualGraphics.drawImage(image, 0, 0, null); |
| 665 |
for (int i = 0; !cancel.isCanceled() && i < imageLevels.length; i++) { |
| 666 |
virtualGraphics.drawImage(imageLevels[i], 0, 0, null); |
| 667 |
} |
| 668 |
g.clearRect(0, 0, image.getWidth(), image.getHeight()); |
| 669 |
g.drawImage(virtualBim, 0, 0, null); |
| 670 |
drawingTime = System.currentTimeMillis();
|
| 671 |
} |
| 672 |
// -- end visual FX stuff
|
| 673 |
|
| 674 |
} |
| 675 |
// Notify the drawing observers
|
| 676 |
drawnNotification.setFeature(feat); |
| 677 |
drawnNotification.setDrawnGeometry(geom); |
| 678 |
notifyObservers(drawnNotification); |
| 679 |
return bSymbolLevelError;
|
| 680 |
} |
| 681 |
|
| 682 |
/**
|
| 683 |
* Returns the symbol to use to draw a {@link Feature} taking into account
|
| 684 |
* if it is selected.
|
| 685 |
*/
|
| 686 |
private ISymbol getSymbol(Feature feat, FeatureSelection selection)
|
| 687 |
throws MapContextException {
|
| 688 |
// retrieve the symbol associated to such feature
|
| 689 |
ISymbol sym = getSymbolByFeature(feat); |
| 690 |
|
| 691 |
if (sym != null && selection.isSelected(feat)) { |
| 692 |
sym = sym.getSymbolForSelection(); |
| 693 |
} |
| 694 |
return sym;
|
| 695 |
} |
| 696 |
|
| 697 |
/**
|
| 698 |
* Returns if the legend is using a ZSort.
|
| 699 |
*/
|
| 700 |
private boolean isUseZSort() { |
| 701 |
return getZSort() != null && getZSort().isUsingZSort(); |
| 702 |
} |
| 703 |
|
| 704 |
/**
|
| 705 |
* Draws a {@link Geometry} using the given {@link ISymbol}, over the
|
| 706 |
* {@link Graphics2D} object.
|
| 707 |
*/
|
| 708 |
private void drawGeometry(Geometry geom, BufferedImage image, |
| 709 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
| 710 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
| 711 |
throws CreateGeometryException {
|
| 712 |
|
| 713 |
if (geom instanceof Aggregate) { |
| 714 |
drawAggregate((Aggregate) geom, image, feature, symbol, viewPort, |
| 715 |
graphics, dpi, cancellable); |
| 716 |
} else {
|
| 717 |
boolean bDrawCartographicSupport = false; |
| 718 |
if (symbol instanceof CartographicSupport) { |
| 719 |
bDrawCartographicSupport = ((CartographicSupport) symbol) |
| 720 |
.getUnit() != -1;
|
| 721 |
} |
| 722 |
|
| 723 |
double previousSize = 0.0d; |
| 724 |
|
| 725 |
if (bDrawCartographicSupport) {
|
| 726 |
// make the symbol to resize itself with the current rendering
|
| 727 |
// context
|
| 728 |
previousSize = ((CartographicSupport) symbol) |
| 729 |
.toCartographicSize(viewPort, dpi, geom); |
| 730 |
} |
| 731 |
|
| 732 |
try {
|
| 733 |
// draw it as normally
|
| 734 |
double[] dot = new double[2]; |
| 735 |
boolean onePoint = symbol.isOneDotOrPixel(geom, dot, viewPort,
|
| 736 |
(int) dpi);
|
| 737 |
|
| 738 |
if (onePoint) {
|
| 739 |
if (dot[0] < 0 || dot[1] < 0 || dot[0] >= image.getWidth() |
| 740 |
|| dot[1] >= image.getHeight()) {
|
| 741 |
return;
|
| 742 |
} |
| 743 |
// FIXME: setRgb should change to draw
|
| 744 |
image.setRGB((int) dot[0], (int) dot[1], |
| 745 |
symbol.getOnePointRgb()); |
| 746 |
} else {
|
| 747 |
Geometry decimatedShape = transformToInts(geom, |
| 748 |
viewPort.getAffineTransform()); |
| 749 |
symbol.draw(graphics, viewPort.getAffineTransform(), |
| 750 |
decimatedShape, feature, cancellable); |
| 751 |
} |
| 752 |
|
| 753 |
} finally {
|
| 754 |
if (bDrawCartographicSupport) {
|
| 755 |
// restore previous size
|
| 756 |
((CartographicSupport) symbol).setCartographicSize( |
| 757 |
previousSize, geom); |
| 758 |
} |
| 759 |
} |
| 760 |
} |
| 761 |
} |
| 762 |
|
| 763 |
/**
|
| 764 |
* Draws an {@link Aggregate} using the given {@link ISymbol}, over the
|
| 765 |
* {@link Graphics2D} object.
|
| 766 |
*/
|
| 767 |
private void drawAggregate(Aggregate aggregate, BufferedImage image, |
| 768 |
Feature feature, ISymbol symbol, ViewPort viewPort, |
| 769 |
Graphics2D graphics, double dpi, Cancellable cancellable) |
| 770 |
throws CreateGeometryException {
|
| 771 |
for (int i = 0; i < aggregate.getPrimitivesNumber(); i++) { |
| 772 |
Geometry prim = aggregate.getPrimitiveAt(i); |
| 773 |
drawGeometry(prim, image, feature, symbol, viewPort, graphics, dpi, |
| 774 |
cancellable); |
| 775 |
} |
| 776 |
} |
| 777 |
|
| 778 |
/**
|
| 779 |
* Transforms a Geometry from map coordinates to the view coordinates.
|
| 780 |
*/
|
| 781 |
private Geometry transformToInts(Geometry gp, AffineTransform at) |
| 782 |
throws CreateGeometryException {
|
| 783 |
GeneralPathX newGp = new GeneralPathX();
|
| 784 |
double[] theData = new double[6]; |
| 785 |
double[] aux = new double[6]; |
| 786 |
|
| 787 |
// newGp.reset();
|
| 788 |
PathIterator theIterator;
|
| 789 |
int theType;
|
| 790 |
int numParts = 0; |
| 791 |
|
| 792 |
java.awt.geom.Point2D ptDst = new java.awt.geom.Point2D.Double();
|
| 793 |
java.awt.geom.Point2D ptSrc = new java.awt.geom.Point2D.Double();
|
| 794 |
boolean bFirst = true; |
| 795 |
int xInt, yInt, antX = -1, antY = -1; |
| 796 |
|
| 797 |
theIterator = gp.getPathIterator(null); // , flatness); |
| 798 |
int numSegmentsAdded = 0; |
| 799 |
while (!theIterator.isDone()) {
|
| 800 |
theType = theIterator.currentSegment(theData); |
| 801 |
|
| 802 |
switch (theType) {
|
| 803 |
case PathIterator.SEG_MOVETO: |
| 804 |
numParts++; |
| 805 |
ptSrc.setLocation(theData[0], theData[1]); |
| 806 |
at.transform(ptSrc, ptDst); |
| 807 |
antX = (int) ptDst.getX();
|
| 808 |
antY = (int) ptDst.getY();
|
| 809 |
newGp.moveTo(antX, antY); |
| 810 |
numSegmentsAdded++; |
| 811 |
bFirst = true;
|
| 812 |
break;
|
| 813 |
|
| 814 |
case PathIterator.SEG_LINETO: |
| 815 |
ptSrc.setLocation(theData[0], theData[1]); |
| 816 |
at.transform(ptSrc, ptDst); |
| 817 |
xInt = (int) ptDst.getX();
|
| 818 |
yInt = (int) ptDst.getY();
|
| 819 |
if ((bFirst) || ((xInt != antX) || (yInt != antY))) {
|
| 820 |
newGp.lineTo(xInt, yInt); |
| 821 |
antX = xInt; |
| 822 |
antY = yInt; |
| 823 |
bFirst = false;
|
| 824 |
numSegmentsAdded++; |
| 825 |
} |
| 826 |
break;
|
| 827 |
|
| 828 |
case PathIterator.SEG_QUADTO: |
| 829 |
at.transform(theData, 0, aux, 0, 2); |
| 830 |
newGp.quadTo(aux[0], aux[1], aux[2], aux[3]); |
| 831 |
numSegmentsAdded++; |
| 832 |
break;
|
| 833 |
|
| 834 |
case PathIterator.SEG_CUBICTO: |
| 835 |
at.transform(theData, 0, aux, 0, 3); |
| 836 |
newGp.curveTo(aux[0], aux[1], aux[2], aux[3], aux[4], aux[5]); |
| 837 |
numSegmentsAdded++; |
| 838 |
break;
|
| 839 |
|
| 840 |
case PathIterator.SEG_CLOSE: |
| 841 |
if (numSegmentsAdded < 3) { |
| 842 |
newGp.lineTo(antX, antY); |
| 843 |
} |
| 844 |
newGp.closePath(); |
| 845 |
|
| 846 |
break;
|
| 847 |
} // end switch
|
| 848 |
|
| 849 |
theIterator.next(); |
| 850 |
} // end while loop
|
| 851 |
|
| 852 |
Geometry geom = null;
|
| 853 |
switch (gp.getType()) {
|
| 854 |
case Geometry.TYPES.POINT:
|
| 855 |
geom = geomManager.createPoint(ptDst.getX(), ptDst.getY(), |
| 856 |
SUBTYPES.GEOM2D); |
| 857 |
break;
|
| 858 |
case Geometry.TYPES.CURVE:
|
| 859 |
case Geometry.TYPES.ARC:
|
| 860 |
geom = geomManager.createCurve(newGp, SUBTYPES.GEOM2D); |
| 861 |
break;
|
| 862 |
|
| 863 |
case Geometry.TYPES.SURFACE:
|
| 864 |
case Geometry.TYPES.CIRCLE:
|
| 865 |
case Geometry.TYPES.ELLIPSE:
|
| 866 |
|
| 867 |
geom = geomManager.createSurface(newGp, SUBTYPES.GEOM2D); |
| 868 |
break;
|
| 869 |
} |
| 870 |
return geom;
|
| 871 |
} |
| 872 |
|
| 873 |
public Object clone() throws CloneNotSupportedException { |
| 874 |
AbstractVectorialLegend clone = (AbstractVectorialLegend) super.clone();
|
| 875 |
|
| 876 |
// Clone zSort
|
| 877 |
ZSort zSort = getZSort(); |
| 878 |
if (zSort != null) { |
| 879 |
clone.setZSort(new ZSort(clone));
|
| 880 |
} |
| 881 |
return clone;
|
| 882 |
} |
| 883 |
|
| 884 |
public void loadFromState(PersistentState state) |
| 885 |
throws PersistenceException {
|
| 886 |
// Set parent properties
|
| 887 |
super.loadFromState(state);
|
| 888 |
// Set own properties
|
| 889 |
|
| 890 |
setShapeType(state.getInt(FIELD_SHAPETYPE)); |
| 891 |
if (state.getBoolean(FIELD_HAS_ZSORT)) {
|
| 892 |
setZSort(new ZSort(this)); |
| 893 |
} |
| 894 |
setDefaultSymbol((ISymbol) state.get(FIELD_DEFAULT_SYMBOL)); |
| 895 |
} |
| 896 |
|
| 897 |
public void saveToState(PersistentState state) throws PersistenceException { |
| 898 |
// Save parent properties
|
| 899 |
super.saveToState(state);
|
| 900 |
// Save own properties
|
| 901 |
state.set(FIELD_SHAPETYPE, getShapeType()); |
| 902 |
state.set(FIELD_HAS_ZSORT, this.zSort != null); |
| 903 |
state.set(FIELD_DEFAULT_SYMBOL, getDefaultSymbol()); |
| 904 |
} |
| 905 |
|
| 906 |
public static class RegisterPersistence implements Callable { |
| 907 |
|
| 908 |
public Object call() throws Exception { |
| 909 |
PersistenceManager manager = ToolsLocator.getPersistenceManager(); |
| 910 |
if (manager
|
| 911 |
.getDefinition(VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME) == null) {
|
| 912 |
DynStruct definition = manager.addDefinition( |
| 913 |
AbstractVectorialLegend.class, |
| 914 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME, |
| 915 |
VECTORIAL_LEGEND_PERSISTENCE_DEFINITION_NAME |
| 916 |
+ " persistence definition", null, null); |
| 917 |
// Extend the Legend base definition
|
| 918 |
definition.extend(manager |
| 919 |
.getDefinition(LEGEND_PERSISTENCE_DEFINITION_NAME)); |
| 920 |
|
| 921 |
// Shapetype
|
| 922 |
definition.addDynFieldInt(FIELD_SHAPETYPE).setMandatory(true);
|
| 923 |
// ZSort
|
| 924 |
definition.addDynFieldBoolean(FIELD_HAS_ZSORT).setMandatory( |
| 925 |
true);
|
| 926 |
// Default symbol
|
| 927 |
definition.addDynFieldObject(FIELD_DEFAULT_SYMBOL) |
| 928 |
.setClassOfValue(ISymbol.class).setMandatory(true);
|
| 929 |
} |
| 930 |
return Boolean.TRUE; |
| 931 |
} |
| 932 |
|
| 933 |
} |
| 934 |
|
| 935 |
/**
|
| 936 |
* Returns the names of the {@link Feature} attributes required for the
|
| 937 |
* {@link ILegend} to operate.
|
| 938 |
*
|
| 939 |
* @param featureStore
|
| 940 |
* the store where the {@link Feature}s belong to
|
| 941 |
* @return the names of required {@link Feature} attribute names
|
| 942 |
* @throws DataException
|
| 943 |
* if there is an error getting the attribute names
|
| 944 |
*/
|
| 945 |
protected abstract String[] getRequiredFeatureAttributeNames( |
| 946 |
FeatureStore featureStore) throws DataException;
|
| 947 |
} |